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Cheap flights from District of Columbia to Ontario from C$ 144

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 25/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
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$ 294Porter Airlines
Find Deal
Tue, 11 Nov - Sun, 16 Nov
Air Canada Logo
12:55 p.m. - 5:36 p.m.DCA-YYZ
4h 41m1 stop
Air Canada Logo
6:10 p.m. - 7:45 p.m.YYZ-DCA
1h 35mdirect
C$ 294Air Canada
Find Deal
Tue, 24 Feb - Fri, 27 Feb
Porter Airlines Logo
11:40 a.m. - 1:10 p.m.IAD-YTZ
1h 30mdirect
Porter Airlines Logo
8:55 a.m. - 10:24 a.m.YTZ-IAD
1h 29mdirect
C$ 296Porter Airlines
Find Deal
Fri, 21 Nov - Sun, 23 Nov
Air Canada Logo
6:00 a.m. - 10:49 a.m.DCA-YYZ
4h 49m1 stop
Air Canada Logo
8:15 a.m. - 12:19 p.m.YYZ-DCA
4h 04m1 stop
C$ 299Air Canada
Find Deal
Tue, 24 Feb - Fri, 27 Feb
United Airlines Logo
10:11 p.m. - 11:46 p.m.IAD-YYZ
1h 35mdirect
United Airlines Logo
7:40 p.m. - 9:20 p.m.YYZ-IAD
1h 40mdirect
C$ 366United Airlines
Find Deal
Sun, 9 Nov - Thu, 13 Nov
United Airlines Logo
6:00 a.m. - 11:48 a.m.IAD-YYZ
5h 48m1 stop
United Airlines Logo
7:40 p.m. - 9:20 p.m.YYZ-IAD
1h 40mdirect
C$ 379United Airlines
Find Deal
Sun, 9 Nov - Wed, 12 Nov
Delta Logo
7:25 p.m. - 11:39 p.m.DCA-YYZ
4h 14m1 stop
Delta Logo
12:08 p.m. - 6:59 p.m.YYZ-DCA
6h 51m1 stop
C$ 400Delta
Find Deal
Fri, 7 Nov - Tue, 11 Nov
Delta Logo
6:05 a.m. - 11:20 a.m.IAD-YYZ
5h 15m1 stop
Delta Logo
6:00 a.m. - 11:57 a.m.YYZ-IAD
5h 57m1 stop
C$ 400Delta
Find Deal
Wed, 5 Nov - Sat, 8 Nov
American Airlines Logo
10:14 a.m. - 11:59 a.m.DCA-YYZ
1h 45mdirect
American Airlines Logo
12:40 p.m. - 7:59 p.m.YYZ-DCA
7h 19m1 stop
C$ 403American Airlines
Find Deal
Thu, 23 Oct - Mon, 27 Oct
American Airlines Logo
2:59 p.m. - 9:00 p.m.DCA-YOW
6h 01m1 stop
American Airlines Logo
6:45 a.m. - 12:39 p.m.YOW-DCA
5h 54m1 stop
C$ 663American Airlines
Find Deal
Thu, 23 Oct - Mon, 27 Oct

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
24 Feb
DCA12:55 p.m.Washington, D.C. Reagan-National
4h 41m
1 stop
YYZ5:36 p.m.Toronto Pearson Intl
27 Feb
YYZ6:10 p.m.Toronto Pearson Intl
1h 35m
DCA7:45 p.m.Washington, D.C. Reagan-National
C$ 294
Find similar
Air Canada
24 Feb
DCA6:00 a.m.Washington, D.C. Reagan-National
4h 49m
1 stop
YYZ10:49 a.m.Toronto Pearson Intl
27 Feb
YYZ8:15 a.m.Toronto Pearson Intl
4h 04m
1 stop
DCA12:19 p.m.Washington, D.C. Reagan-National
C$ 299
Find similar
Air Canada
5 Feb
DCA12:55 p.m.Washington, D.C. Reagan-National
5h 18m
1 stop
YTZ6:13 p.m.Toronto Island
9 Feb
YTZ5:30 p.m.Toronto Island
4h 26m
1 stop
DCA9:56 p.m.Washington, D.C. Reagan-National
C$ 306
Find similar

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
23 Oct
DCA10:14 a.m.Washington, D.C. Reagan-National
1h 45m
YYZ11:59 a.m.Toronto Pearson Intl
27 Oct
YYZ12:40 p.m.Toronto Pearson Intl
7h 19m
1 stop
DCA7:59 p.m.Washington, D.C. Reagan-National
C$ 403
Find similar
American Airlines
22 Oct
DCA10:14 a.m.Washington, D.C. Reagan-National
1h 45m
YYZ11:59 a.m.Toronto Pearson Intl
27 Oct
YYZ5:15 p.m.Toronto Pearson Intl
1h 40m
DCA6:55 p.m.Washington, D.C. Reagan-National
C$ 506
Find similar
American Airlines
19 Oct
DCA10:14 a.m.Washington, D.C. Reagan-National
1h 45m
YYZ11:59 a.m.Toronto Pearson Intl
19 Oct
YYZ5:15 p.m.Toronto Pearson Intl
1h 40m
DCA6:55 p.m.Washington, D.C. Reagan-National
C$ 614
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 8 October 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

Tue 11/11

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

Nonstop1h 30m

Toronto Island

Sun 16/11

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

Nonstop1h 29m

C$ 294

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Tue 24/2

12:55 p.m.-5:36 p.m.

1 stop4h 41m

Toronto Pearson Intl

Fri 27/2

6:10 p.m.-7:45 p.m.

Nonstop1h 35m

C$ 294

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 21/11

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

Nonstop1h 30m

Toronto Island

Sun 23/11

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

Nonstop1h 29m

C$ 296

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Tue 24/2

6:00 a.m.-10:49 a.m.

1 stop4h 49m

Toronto Pearson Intl

Fri 27/2

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

1 stop4h 04m

C$ 299

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sun 9/11

10:11 p.m.-11:46 p.m.

Nonstop1h 35m

Toronto Pearson Intl

Thu 13/11

7:40 p.m.-9:20 p.m.

Nonstop1h 40m

C$ 366

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Sun 9/11

6:00 a.m.-11:48 a.m.

1 stop5h 48m

Toronto Pearson Intl

Wed 12/11

7:40 p.m.-9:20 p.m.

Nonstop1h 40m

C$ 379

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Fri 7/11

7:25 p.m.-11:39 p.m.

1 stop4h 14m

Toronto Pearson Intl

Tue 11/11

12:08 p.m.-6:59 p.m.

1 stop6h 51m

C$ 400

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 5/11

6:05 a.m.-11:20 a.m.

1 stop5h 15m

Toronto Pearson Intl

Sat 8/11

6:00 a.m.-11:57 a.m.

1 stop5h 57m

C$ 400

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Thu 23/10

10:14 a.m.-11:59 a.m.

Nonstop1h 45m

Toronto Pearson Intl

Mon 27/10

12:40 p.m.-7:59 p.m.

1 stop7h 19m

C$ 403

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 23/10

2:59 p.m.-9:00 p.m.

1 stop6h 01m

Ottawa

Mon 27/10

6:45 a.m.-12:39 p.m.

1 stop5h 54m

C$ 663

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$ 306. 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$ 366.

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$ 341. The most expensive day to fly to Region of Ontario is Sunday, with ticket prices averaging around C$ 467.

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$ 373. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 463 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$ 458 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$ 349 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$ 141

Fastest flight time

1h 28m

Direct flights

Every day

Airports in Region of Ontario

3 airports
The best one-way flight to Region of Ontario from District of Columbia in the past 72 hours is C$ 141. The best round-trip flight deal from District of Columbia to Region of Ontario found on momondo in the last 72 hours is C$ 282.
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 3 airports near Region of Ontario: Ottawa (YOW), 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
Air CanadaPriceFrom C$ 178Free CancellationRating
7.1
10,256 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 184Free CancellationRating
7.4
8,965 reviews
Search United Airlines flights
Porter AirlinesPriceFrom C$ 246Free CancellationRating
7.9
376 reviews
Search Porter Airlines flights
WestJetPriceFrom C$ 462Free CancellationRating
7.2
3,121 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to Ontario

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Popular flights according to clicks in the last 7 days on momondo
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