What is the cheapest airline that flies from District of Columbia to Ontario?

Porter Airlines, Air Canada, and Delta are the most popular carriers operating from District of Columbia to Ontario

Which airlines fly to Region of Ontario?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Region of Ontario from District of Columbia according to our data. Air Canada is the first choice among our users, with 51% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 4 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from District of Columbia to Ontario?

Prices for flights from District of Columbia to Ontario are updated daily.

How many operators does momondo search for flights from District of Columbia to Ontario?

As of November 2026, there are 4 operators available to choose from for flights from District of Columbia to Ontario.

How old do you have to be to fly from District of Columbia to Ontario?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Ontario.

What documentation or ID do you need to fly to Ontario?

The required travel and health documents for your Ontario trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

C$ 126 Cheap Flights from District of Columbia to Ontario in 2026/27

Q: How many flights depart from District of Columbia to Region of Ontario on average per week?

As of November 2026, there are 280 flights per week flying from District of Columbia to Region of Ontario. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

Q: How many flights depart from District of Columbia to Region of Ontario on average per day?

The number of flights available between District of Columbia and Region of Ontario is 40 per day as of November 2026. The most frequent departure time is 5:00p.m., with 61% of daily flights leaving in the afternoon.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from District of Columbia to Ontario

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:55 p.m. - 6:19 p.m.DCA Washington, D.C. Reagan-National-YTZ Toronto Island

5h 24m1 stop Ottawa

8:20 a.m. - 12:19 p.m.YTZ Toronto Island-DCA Washington, D.C. Reagan-National

3h 59m1 stop Ottawa

C$ 326Air Canada

Thu, 3 Dec - Mon, 7 Dec

11:20 a.m. - 12:50 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mdirect

9:10 a.m. - 10:40 a.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

C$ 335Porter Airlines

Sat, 12 Dec - Wed, 16 Dec

5:20 p.m. - 6:57 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 37mdirect

4:15 p.m. - 5:45 p.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

C$ 342Multiple Airlines

Thu, 3 Dec - Mon, 7 Dec

9:55 a.m. - 11:22 a.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 27mdirect

6:40 p.m. - 8:10 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 30mdirect

C$ 345Air Canada

Fri, 22 Jan - Mon, 25 Jan

11:20 a.m. - 12:50 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mdirect

4:15 p.m. - 5:45 p.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

C$ 348Porter Airlines

Thu, 3 Dec - Mon, 7 Dec

3:38 p.m. - 11:55 p.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

8h 17m1 stop Fort Lauderdale

7:40 a.m. - 10:02 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

14h 22m1 stop Fort Lauderdale

C$ 366Multiple Airlines

Thu, 21 Jan - Sun, 24 Jan

10:09 a.m. - 11:59 a.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 50mdirect

5:10 p.m. - 7:12 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

2h 02mdirect

C$ 422American Airlines

Sat, 12 Dec - Wed, 16 Dec

10:12 a.m. - 11:59 a.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 47mdirect

12:42 p.m. - 2:42 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

2h 00mdirect

C$ 422American Airlines

Sun, 29 Nov - Sat, 5 Dec

8:15 a.m. - 4:47 p.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

8h 32m1 stop Chicago O'Hare Intl

7:44 p.m. - 9:26 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 42mdirect

C$ 600United Airlines

Sat, 5 Dec - Sat, 5 Dec

8:24 a.m. - 4:47 p.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

8h 23m1 stop Chicago O'Hare Intl

7:44 p.m. - 9:29 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 45mdirect

C$ 600United Airlines

Sat, 27 Feb - Sat, 27 Feb

Cheap last-minute flights

Enter your travel dates to find the best prices.

6:59 a.m. - 8:32 a.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 33mdirect

7:10 a.m. - 12:19 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

5h 09m1 stop Ottawa

C$ 396Air Canada

Sun, 15 Nov - Sun, 22 Nov

6:59 a.m. - 8:32 a.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 33mdirect

7:20 a.m. - 8:58 a.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 38mdirect

C$ 397Air Canada

Sun, 15 Nov - Sun, 22 Nov

11:20 a.m. - 12:50 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mdirect

9:10 a.m. - 10:39 a.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 29mdirect

C$ 441Porter Airlines

Sun, 15 Nov - Sun, 22 Nov

11:20 a.m. - 12:50 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mdirect

9:10 a.m. - 10:39 a.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 29mdirect

C$ 451Porter Airlines

Sun, 15 Nov - Wed, 18 Nov

5:20 p.m. - 6:57 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 37mdirect

4:15 p.m. - 5:44 p.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 29mdirect

C$ 501Multiple Airlines

Fri, 13 Nov - Fri, 20 Nov

9:55 a.m. - 3:56 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

6h 01m1 stop Montreal Pierre Elliott Trudeau Intl

9:10 a.m. - 10:39 a.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 29mdirect

C$ 525Multiple Airlines

Sun, 15 Nov - Sun, 22 Nov

10:16 a.m. - 11:59 a.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 43mdirect

5:14 p.m. - 7:13 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 59mdirect

C$ 528American Airlines

Fri, 13 Nov - Wed, 18 Nov

5:10 p.m. - 9:45 p.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

4h 35m1 stop Philadelphia

5:14 p.m. - 7:13 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 59mdirect

C$ 542American Airlines

Fri, 13 Nov - Wed, 18 Nov

5:15 p.m. - 7:01 p.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 46mdirect

10:00 a.m. - 11:45 a.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 45mdirect

C$ 699United Airlines

Sat, 14 Nov - Sat, 28 Nov

12:39 p.m. - 2:25 p.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 46mdirect

10:00 a.m. - 11:45 a.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 45mdirect

C$ 699United Airlines

Sat, 14 Nov - Sat, 28 Nov

Cheap direct flights

Enter your travel dates to find the best prices.

11:20 a.m. - 12:50 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mdirect

9:10 a.m. - 10:40 a.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

C$ 335Porter Airlines

Sat, 12 Dec - Wed, 16 Dec

5:20 p.m. - 6:57 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 37mdirect

4:15 p.m. - 5:45 p.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

C$ 342Multiple Airlines

Thu, 3 Dec - Mon, 7 Dec

9:40 a.m. - 11:13 a.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 33mdirect

6:20 p.m. - 7:58 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 38mdirect

C$ 345Air Canada

Fri, 22 Jan - Mon, 25 Jan

9:55 a.m. - 11:22 a.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 27mdirect

6:40 p.m. - 8:10 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 30mdirect

C$ 345Air Canada

Fri, 22 Jan - Mon, 25 Jan

11:20 a.m. - 12:50 p.m.IAD Washington, D.C. Dulles Intl-YTZ Toronto Island

1h 30mdirect

4:15 p.m. - 5:45 p.m.YTZ Toronto Island-IAD Washington, D.C. Dulles Intl

1h 30mdirect

C$ 348Porter Airlines

Thu, 3 Dec - Mon, 7 Dec

2:40 p.m. - 4:33 p.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 53mdirect

12:42 p.m. - 2:25 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

1h 43mdirect

C$ 422American Airlines

Mon, 23 Nov - Fri, 27 Nov

2:40 p.m. - 4:31 p.m.DCA Washington, D.C. Reagan-National-YYZ Toronto Pearson Intl

1h 51mdirect

12:42 p.m. - 2:42 p.m.YYZ Toronto Pearson Intl-DCA Washington, D.C. Reagan-National

2h 00mdirect

C$ 422American Airlines

Thu, 3 Dec - Sat, 5 Dec

9:55 a.m. - 11:22 a.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 27mdirect

7:44 p.m. - 9:26 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 42mdirect

C$ 504Multiple Airlines

Thu, 3 Dec - Mon, 7 Dec

12:39 p.m. - 2:25 p.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 46mdirect

7:44 p.m. - 9:26 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 42mdirect

C$ 620United Airlines

Wed, 2 Dec - Wed, 2 Dec

5:18 p.m. - 7:01 p.m.IAD Washington, D.C. Dulles Intl-YYZ Toronto Pearson Intl

1h 43mdirect

2:45 p.m. - 4:35 p.m.YYZ Toronto Pearson Intl-IAD Washington, D.C. Dulles Intl

1h 50mdirect

C$ 620United Airlines

Sat, 26 Dec - Tue, 5 Jan

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Delta flights from District of Columbia to Region of Ontario

Our best Delta deals on District of Columbia to Region of Ontario flight tickets

Delta

25 Nov

IAD12:35 p.m.Washington, D.C. Dulles Intl

4h 39m

1 stop

YYZ5:14 p.m.Toronto Pearson Intl

28 Nov

YYZ6:00 a.m.Toronto Pearson Intl

5h 52m

1 stop

IAD11:52 a.m.Washington, D.C. Dulles Intl

C$ 436

Delta

25 Nov

IAD12:35 p.m.Washington, D.C. Dulles Intl

4h 39m

1 stop

YYZ5:14 p.m.Toronto Pearson Intl

28 Nov

YYZ6:00 a.m.Toronto Pearson Intl

5h 52m

1 stop

IAD11:52 a.m.Washington, D.C. Dulles Intl

C$ 456

Delta

22 Nov

DCA6:10 a.m.Washington, D.C. Reagan-National

5h 09m

1 stop

YYZ11:19 a.m.Toronto Pearson Intl

28 Nov

YYZ6:00 a.m.Toronto Pearson Intl

5h 29m

1 stop

DCA11:29 a.m.Washington, D.C. Reagan-National

C$ 458

American Airlines flights from District of Columbia to Region of Ontario

Our best American Airlines deals on District of Columbia to Region of Ontario flight tickets

American Airlines

2 Dec

DCA10:00 a.m.Washington, D.C. Reagan-National

1h 49m

YYZ11:49 a.m.Toronto Pearson Intl

2 Dec

YYZ5:11 p.m.Toronto Pearson Intl

2h 02m

DCA7:13 p.m.Washington, D.C. Reagan-National

C$ 422

American Airlines

3 Dec

DCA1:34 p.m.Washington, D.C. Reagan-National

3h 55m

1 stop

YYZ5:29 p.m.Toronto Pearson Intl

5 Dec

YYZ12:42 p.m.Toronto Pearson Intl

2h 00m

DCA2:42 p.m.Washington, D.C. Reagan-National

C$ 436

American Airlines

29 Nov

DCA10:12 a.m.Washington, D.C. Reagan-National

1h 47m

YYZ11:59 a.m.Toronto Pearson Intl

5 Dec

YYZ4:09 p.m.Toronto Pearson Intl

4h 50m

1 stop

DCA8:59 p.m.Washington, D.C. Reagan-National

C$ 445

momondo Fare Finder

Use the filters below to find and compare flights from District of Columbia to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YTZ Toronto Island

DCAYTZ

Washington, D.C. Reagan-National

Thu 3/12

12:55 p.m.-6:19 p.m.

1 stop5h 24m

Toronto Island

Mon 7/12

8:20 a.m.-12:19 p.m.

1 stop3h 59m

C$ 326

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YTZ Toronto Island

IADYTZ

Washington, D.C. Dulles Intl

Sat 12/12

11:20 a.m.-12:50 p.m.

Nonstop1h 30m

Toronto Island

Wed 16/12

9:10 a.m.-10:40 a.m.

Nonstop1h 30m

C$ 335

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YTZ Toronto Island

IADYTZ

Washington, D.C. Dulles Intl

Thu 3/12

5:20 p.m.-6:57 p.m.

Nonstop1h 37m

Toronto Island

Mon 7/12

4:15 p.m.-5:45 p.m.

Nonstop1h 30m

C$ 342

Quickest round-trip

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl

IADYYZ

Washington, D.C. Dulles Intl

Fri 22/1

9:55 a.m.-11:22 a.m.

Nonstop1h 27m

Toronto Pearson Intl

Mon 25/1

6:40 p.m.-8:10 p.m.

Nonstop1h 30m

C$ 345

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YTZ Toronto Island

IADYTZ

Washington, D.C. Dulles Intl

Thu 3/12

11:20 a.m.-12:50 p.m.

Nonstop1h 30m

Toronto Island

Mon 7/12

4:15 p.m.-5:45 p.m.

Nonstop1h 30m

C$ 348

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl

IADYYZ

Washington, D.C. Dulles Intl

Thu 21/1

3:38 p.m.-11:55 p.m.

1 stop8h 17m

Toronto Pearson Intl

Sun 24/1

7:40 a.m.-10:02 p.m.

1 stop14h 22m

C$ 366

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Sat 12/12

10:09 a.m.-11:59 a.m.

Nonstop1h 50m

Toronto Pearson Intl

Wed 16/12

5:10 p.m.-7:12 p.m.

Nonstop2h 02m

C$ 422

Washington, D.C.Toronto

DCA Washington, D.C. Reagan-National - YYZ Toronto Pearson Intl

DCAYYZ

Washington, D.C. Reagan-National

Sun 29/11

10:12 a.m.-11:59 a.m.

Nonstop1h 47m

Toronto Pearson Intl

Sat 5/12

12:42 p.m.-2:42 p.m.

Nonstop2h 00m

C$ 422

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl

IADYYZ

Washington, D.C. Dulles Intl

Sat 5/12

8:15 a.m.-4:47 p.m.

1 stop8h 32m

Toronto Pearson Intl

Sat 5/12

7:44 p.m.-9:26 p.m.

Nonstop1h 42m

C$ 600

Washington, D.C.Toronto

IAD Washington, D.C. Dulles Intl - YYZ Toronto Pearson Intl

IADYYZ

Washington, D.C. Dulles Intl

Sat 27/2

8:24 a.m.-4:47 p.m.

1 stop8h 23m

Toronto Pearson Intl

Sat 27/2

7:44 p.m.-9:29 p.m.

Nonstop1h 45m

C$ 600

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from District of Columbia to Region of Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Region of Ontario?

In general, December is the cheapest month to fly from District of Columbia to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 436. If you are unable to visit Region of Ontario during the month of December, then departing from District of Columbia during the month January is also very affordable. Most momondo users find prices during this month for around C$ 445.

What is the cheapest day to depart on your flight to Region of Ontario?

The cheapest day to depart from District of Columbia to Region of Ontario is on a Monday. Travellers who choose to depart for Region of Ontario on a Monday will often find tickets for as low as C$ 400. The most expensive day to fly to Region of Ontario is Thursday, with ticket prices averaging around C$ 521.

What is the cheapest time of day to depart on your flight to Region of Ontario?

Our most recent data shows that the best time of day to fly to Region of Ontario is in the afternoon. Flights from District of Columbia to Region of Ontario during this time can be as low as C$ 426. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 613 on average. Flights to Region of Ontario from District of Columbia at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest District of Columbia to Ontario flight route?

Fly from Washington, D.C. Reagan-National to Toronto Pearson Intl for the best District of Columbia - Ontario flight prices

How far in advance should I book a flight from District of Columbia to Ontario?

You are more likely to see cheaper flights to Region of Ontario from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 534 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from District of Columbia for as low as C$ 417 on momondo.

What cabin class options are available on District of Columbia to Region of Ontario flights?

There are 3 cabin classes available to choose from on District of Columbia to Region of Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on District of Columbia to Region of Ontario flights?

No. A direct flight is the cheapest option for a flight between District of Columbia to Region of Ontario.

Cheap District of Columbia to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Region of Ontario

Best price found	C$ 126
Fastest flight time	1h 18m
Direct flights	Every day
Airports in Region of Ontario	125 airports

The best one-way flight to Region of Ontario from District of Columbia in the past 72 hours is C$ 126. The best round-trip flight deal from District of Columbia to Region of Ontario found on momondo in the last 72 hours is C$ 326.

The fastest flight from District of Columbia to Region of Ontario takes 1h 18m

Direct flights go from District of Columbia to Region of Ontario every day.

There are 125 airports in Region of Ontario. From District of Columbia there are direct flights to Toronto Pearson Intl (YYZ), Toronto Island (YTZ).

Search flight deals

Frequently asked questions about flying from District of Columbia to Ontario

When did momondo last update prices for flights from District of Columbia to Ontario?
Prices for flights from District of Columbia to Ontario are updated daily.
How many operators does momondo search for flights from District of Columbia to Ontario?
As of November 2026, there are 4 operators available to choose from for flights from District of Columbia to Ontario.
How old do you have to be to fly from District of Columbia to Ontario?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Ontario.
What documentation or ID do you need to fly to Ontario?
The required travel and health documents for your Ontario trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from District of Columbia to Region of Ontario?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from District of Columbia to Region of Ontario is De Havilland (Bombardier) DHC-8-400 Dash 8Q (42.07% of total bookings). The next most popular plane models are Embraer 175 (Enhanced Winglets) (20.09%), Embraer 175 (12.55%), and Canadair (Bombardier) Regional Jet 900 (7.31%).

Best airlines flying from District of Columbia to Region of Ontario

Compare and see reviews for airlines that fly from District of Columbia to Region of Ontario with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom C$ 232	Free Cancellation	Rating 7.0 12,227 reviews	Search American Airlines flights
Porter Airlines	PriceFrom C$ 288	Free Cancellation	Rating 8.0 468 reviews	Search Porter Airlines flights
Air Canada	PriceFrom C$ 302	Free Cancellation	Rating 7.1 11,874 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 304	Free Cancellation	Rating 7.3 10,472 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from District of Columbia to Ontario . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from District of Columbia to Ontario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ontario from District of Columbia which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from District of Columbia to Ontario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from District of Columbia to Ontario.

I’m not ready to book a flight from District of Columbia to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from District of Columbia and alert you when they change.

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Popular Cities in Ontario

Flights to Torontofrom C$ 158

Flights to Vancouverfrom C$ 112

Flights to Calgaryfrom C$ 89

Flights to Montrealfrom C$ 264

Flights to Winnipegfrom C$ 165

Flights to Halifaxfrom C$ 172

Flights to Ottawafrom C$ 239

Flights to Kelownafrom C$ 141

Flights to Saskatoonfrom C$ 237

Flights to St. John'sfrom C$ 299

Flights to Reginafrom C$ 318

Flights to Québec Cityfrom C$ 316

Cheap flights from District of Columbia to Ontario from C$ 126

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Ontario departing on 15/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from District of Columbia to Ontario

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Big names, great deals

Big names, great deals

Filter for what you want

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Delta flights from District of Columbia to Region of Ontario

Our best Delta deals on District of Columbia to Region of Ontario flight tickets

American Airlines flights from District of Columbia to Region of Ontario

Our best American Airlines deals on District of Columbia to Region of Ontario flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from District of Columbia to Ontario that are best for you.

See travel insights to Ontario from

How to get the cheapest flight ticket from District of Columbia to Region of Ontario

What is the cheapest month to fly to Region of Ontario?

What is the cheapest day to depart on your flight to Region of Ontario?

What is the cheapest time of day to depart on your flight to Region of Ontario?

What is the cheapest District of Columbia to Ontario flight route?

How far in advance should I book a flight from District of Columbia to Ontario?

What cabin class options are available on District of Columbia to Region of Ontario flights?

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How many flights depart from District of Columbia to Region of Ontario on average per day?

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