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Cheap flights from District of Columbia to Ontario from C$ 150

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 23/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from District of Columbia to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
11:40 a.m. - 1:10 p.m.IAD-YTZ
1h 30mdirect
Porter Airlines Logo
8:50 a.m. - 10:19 a.m.YTZ-IAD
1h 29mdirect
C$ 302Porter Airlines
Find Deal
Wed, 24 Dec - Fri, 2 Jan
Porter Airlines Logo
6:30 p.m. - 8:00 p.m.IAD-YTZ
1h 30mdirect
Porter Airlines Logo
8:55 a.m. - 10:24 a.m.YTZ-IAD
1h 29mdirect
C$ 303Porter Airlines
Find Deal
Mon, 22 Dec - Sat, 27 Dec
Porter Airlines Logo
11:40 a.m. - 1:10 p.m.IAD-YTZ
1h 30mdirect
Porter Airlines Logo
8:50 a.m. - 10:19 a.m.YTZ-IAD
1h 29mdirect
C$ 305Porter Airlines
Find Deal
Wed, 24 Dec - Fri, 2 Jan
Air Canada Logo
6:00 a.m. - 12:40 p.m.DCA-YYZ
6h 40m1 stop
Air Canada Logo
8:15 a.m. - 12:19 p.m.YYZ-DCA
4h 04m1 stop
C$ 306Air Canada
Find Deal
Thu, 5 Feb - Sun, 8 Feb
Air Canada Logo
12:55 p.m. - 6:13 p.m.DCA-YTZ
5h 18m1 stop
Air Canada Logo
10:30 a.m. - 3:31 p.m.YTZ-DCA
5h 01m1 stop
C$ 306Air Canada
Find Deal
Wed, 7 Jan - Wed, 14 Jan
Porter Airlines Logo
6:30 p.m. - 8:00 p.m.IAD-YTZ
1h 30mdirect
Porter Airlines Logo
3:45 p.m. - 5:14 p.m.YTZ-IAD
1h 29mdirect
C$ 306Porter Airlines
Find Deal
Tue, 16 Dec - Tue, 23 Dec
Multiple Airlines Logo
11:35 a.m. - 4:30 p.m.IAD-YUL
4h 55m1 stop
Multiple Airlines Logo
7:00 p.m. - 8:54 p.m.YUL-IAD
1h 54mdirect
C$ 307Multiple Airlines
Find Deal
Thu, 8 Jan - Thu, 15 Jan
Multiple Airlines Logo
11:35 a.m. - 1:09 p.m.IAD-YTZ
1h 34mdirect
Multiple Airlines Logo
8:50 a.m. - 10:19 a.m.YTZ-IAD
1h 29mdirect
C$ 313Multiple Airlines
Find Deal
Thu, 8 Jan - Mon, 12 Jan
United Airlines Logo
8:25 a.m. - 5:05 p.m.DCA-YXU
8h 40m2 stops
United Airlines Logo
5:40 p.m. - 10:35 p.m.YXU-DCA
4h 55m1 stop
C$ 972United Airlines
Find Deal
Thu, 8 Jan - Thu, 15 Jan
United Airlines Logo
9:40 a.m. - 5:05 p.m.DCA-YXU
7h 25m1 stop
United Airlines Logo
5:10 a.m. - 8:55 a.m.YXU-DCA
3h 45m1 stop
C$ 991United Airlines
Find Deal
Thu, 8 Jan - Thu, 15 Jan

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
15 Jan
DCA2:48 p.m.Washington, D.C. Reagan-National
1h 47m
YYZ4:35 p.m.Toronto Pearson Intl
20 Jan
YYZ10:59 a.m.Toronto Pearson Intl
1h 50m
DCA12:49 p.m.Washington, D.C. Reagan-National
C$ 351
Find similar
American Airlines
9 Jan
DCA6:35 a.m.Washington, D.C. Reagan-National
3h 39m
1 stop
YYZ10:14 a.m.Toronto Pearson Intl
11 Jan
YYZ5:15 p.m.Toronto Pearson Intl
1h 59m
DCA7:14 p.m.Washington, D.C. Reagan-National
C$ 396
Find similar
American Airlines
13 Dec
DCA7:00 a.m.Washington, D.C. Reagan-National
8h 00m
1 stop
YYZ3:00 p.m.Toronto Pearson Intl
16 Dec
YYZ5:16 p.m.Toronto Pearson Intl
1h 53m
DCA7:09 p.m.Washington, D.C. Reagan-National
C$ 399
Find similar

Air Canada flights from District of Columbia to Region of Ontario

Our best Air Canada deals on District of Columbia to Region of Ontario flight tickets
Air Canada
5 Feb
DCA6:00 a.m.Washington, D.C. Reagan-National
6h 40m
1 stop
YYZ12:40 p.m.Toronto Pearson Intl
8 Feb
YYZ8:15 a.m.Toronto Pearson Intl
4h 04m
1 stop
DCA12:19 p.m.Washington, D.C. Reagan-National
C$ 306
Find similar
Air Canada
8 Jan
IAD9:45 a.m.Washington, D.C. Dulles Intl
1h 45m
YUL11:30 a.m.Montreal Pierre Elliott Trudeau Intl
11 Jan
YUL7:00 p.m.Montreal Pierre Elliott Trudeau Intl
1h 54m
IAD8:54 p.m.Washington, D.C. Dulles Intl
C$ 309
Find similar
Air Canada
8 Jan
DCA6:59 a.m.Washington, D.C. Reagan-National
1h 36m
YYZ8:35 a.m.Toronto Pearson Intl
11 Jan
YYZ7:20 a.m.Toronto Pearson Intl
1h 35m
DCA8:55 a.m.Washington, D.C. Reagan-National
C$ 310
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia to Region of Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 25 November 2025.
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

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Wed 24/12

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

Toronto Island

Fri 2/1

8:50 a.m.-10:19 a.m.

Nonstop1h 29m

C$ 302

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Mon 22/12

6:30 p.m.-8:00 p.m.

Nonstop1h 30m

Toronto Island

Sat 27/12

8:55 a.m.-10:24 a.m.

Nonstop1h 29m

C$ 303

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Wed 24/12

11:40 a.m.-1:10 p.m.

Nonstop1h 30m

Toronto Island

Fri 2/1

8:50 a.m.-10:19 a.m.

Nonstop1h 29m

C$ 305

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 5/2

6:00 a.m.-12:40 p.m.

1 stop6h 40m

Toronto Pearson Intl

Sun 8/2

8:15 a.m.-12:19 p.m.

1 stop4h 04m

C$ 306

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Wed 7/1

12:55 p.m.-6:13 p.m.

1 stop5h 18m

Toronto Island

Wed 14/1

10:30 a.m.-3:31 p.m.

1 stop5h 01m

C$ 306

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Tue 16/12

6:30 p.m.-8:00 p.m.

Nonstop1h 30m

Toronto Island

Tue 23/12

3:45 p.m.-5:14 p.m.

Nonstop1h 29m

C$ 306

Washington, D.C.Montreal

IAD - YUL

IADYUL

Washington, D.C. Dulles Intl

Thu 8/1

11:35 a.m.-4:30 p.m.

1 stop4h 55m

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

7:00 p.m.-8:54 p.m.

Nonstop1h 54m

C$ 307

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 8/1

11:35 a.m.-1:09 p.m.

Nonstop1h 34m

Toronto Island

Mon 12/1

8:50 a.m.-10:19 a.m.

Nonstop1h 29m

C$ 313

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Thu 8/1

8:25 a.m.-5:05 p.m.

2 stops8h 40m

London

Thu 15/1

5:40 p.m.-10:35 p.m.

1 stop4h 55m

C$ 972

Washington, D.C.London

DCA - YXU

DCAYXU

Washington, D.C. Reagan-National

Thu 8/1

9:40 a.m.-5:05 p.m.

1 stop7h 25m

London

Thu 15/1

5:10 a.m.-8:55 a.m.

1 stop3h 45m

C$ 991

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ontario from

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

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

In general, June 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$ 309. If you are unable to visit Region of Ontario during the month of June, then departing from District of Columbia during the month September is also very affordable. Most momondo users find prices during this month for around C$ 370.

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$ 345. The most expensive day to fly to Region of Ontario is Sunday, with ticket prices averaging around C$ 468.

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$ 371. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 462 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. Dulles Intl to Toronto Island for the best District of Columbia - Ontario flight prices

How far in advance should I book a flight to Region of 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$ 474 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$ 353 on momondo.

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

There are 4 cabin classes available to choose from on District of Columbia to 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$ 145

Fastest flight time

1h 28m

Direct flights

Every day

Airports in Region of Ontario

2 airports
The best one-way flight to Region of Ontario from District of Columbia in the past 72 hours is C$ 145. The best round-trip flight deal from District of Columbia to Region of Ontario found on momondo in the last 72 hours is C$ 226.
The fastest flight from District of Columbia to Region of Ontario takes 1h 28m
Direct flights go from District of Columbia to Region of Ontario every day.
There are 2 airports near Region of Ontario: Toronto Pearson Intl (YYZ), Toronto Island (YTZ)
Search flight deals

  • 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?

  • 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?

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
United AirlinesPriceFrom C$ 160Free CancellationRating
7.4
9,043 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 180Free CancellationRating
7.1
10,473 reviews
Search Air Canada flights
Porter AirlinesPriceFrom C$ 249Free CancellationRating
8.0
394 reviews
Search Porter Airlines flights
WestJetPriceFrom C$ 467Free CancellationRating
7.2
3,173 reviews
Search WestJet 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.

An easier way to manage your Region of Ontario trip

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Find better results for your trip to Ontario

Popular Cities in Ontario

Popular flights according to clicks in the last 7 days on momondo
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Flights to St. John'sfrom C$ 261