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Cheap flights from Ontario to Washington, D.C. from C$ 169

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Washington, D.C. departing on 16/3. 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 Ontario to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
7:10 a.m. - 12:01 p.m.
YYZ
-
DCA
4h 51m
1 stop
Air Canada Logo
6:00 a.m. - 11:34 a.m.
DCA
-
YYZ
5h 34m
1 stop
C$ 270Air Canada
Wed, 1 Apr - Wed, 8 Apr
Air Canada Logo
5:30 p.m. - 9:18 p.m.
YYZ
-
IAD
3h 48m
1 stop
Air Canada Logo
12:40 p.m. - 5:28 p.m.
IAD
-
YYZ
4h 48m
1 stop
C$ 270Air Canada
Sat, 11 Apr - Mon, 13 Apr
Porter Airlines Logo
8:50 a.m. - 10:22 a.m.
YTZ
-
IAD
1h 32mdirect
Porter Airlines Logo
11:40 a.m. - 1:10 p.m.
IAD
-
YTZ
1h 30mdirect
C$ 277Porter Airlines
Thu, 26 Feb - Mon, 2 Mar
Porter Airlines Logo
8:50 a.m. - 10:22 a.m.
YTZ
-
IAD
1h 32mdirect
Porter Airlines Logo
11:40 a.m. - 1:10 p.m.
IAD
-
YTZ
1h 30mdirect
C$ 279Porter Airlines
Thu, 26 Feb - Mon, 2 Mar
Air Canada Logo
8:15 a.m. - 12:19 p.m.
YYZ
-
DCA
4h 04m
1 stop
Air Canada Logo
12:55 p.m. - 8:46 p.m.
DCA
-
YYZ
7h 51m
1 stop
C$ 284Air Canada
Thu, 26 Feb - Sun, 1 Mar
Porter Airlines Logo
8:50 a.m. - 10:22 a.m.
YTZ
-
IAD
1h 32mdirect
Porter Airlines Logo
11:40 a.m. - 1:10 p.m.
IAD
-
YTZ
1h 30mdirect
C$ 284Porter Airlines
Thu, 26 Feb - Mon, 2 Mar
Multiple Airlines Logo
3:40 p.m. - 11:59 p.m.
YYZ
-
BWI
8h 19m
1 stop
Multiple Airlines Logo
5:20 a.m. - 2:05 p.m.
BWI
-
YYZ
8h 45m
1 stop
C$ 291Multiple Airlines
Tue, 14 Apr - Wed, 15 Apr
Multiple Airlines Logo
3:40 p.m. - 9:14 a.m.
YYZ
-
BWI
17h 34m
1 stop
Multiple Airlines Logo
5:20 a.m. - 2:05 p.m.
BWI
-
YYZ
8h 45m
1 stop
C$ 296Multiple Airlines
Mon, 13 Apr - Wed, 15 Apr
United Airlines Logo
9:45 a.m. - 11:44 a.m.
YOW
-
IAD
1h 59mdirect
United Airlines Logo
10:13 p.m. - 11:54 p.m.
IAD
-
YOW
1h 41mdirect
C$ 415United Airlines
Sat, 21 Mar - Sat, 28 Mar
United Airlines Logo
2:15 p.m. - 4:11 p.m.
YOW
-
IAD
1h 56mdirect
United Airlines Logo
8:26 a.m. - 1:32 p.m.
IAD
-
YOW
5h 06m
1 stop
C$ 429United Airlines
Thu, 5 Mar - Tue, 10 Mar

Air Transat flights from Region of Ontario to Washington, D.C.

Our best Air Transat deals on Region of Ontario to Washington, D.C. flight tickets
Air Transat
19 Feb
YTZ8:50 a.m.Toronto Island
1h 32m
IAD10:22 a.m.Washington, D.C. Dulles Intl
26 Feb
IAD11:40 a.m.Washington, D.C. Dulles Intl
1h 30m
YTZ1:10 p.m.Toronto Island
C$ 346
Air Transat
4 Mar
YTZ8:55 a.m.Toronto Island
1h 29m
IAD10:24 a.m.Washington, D.C. Dulles Intl
11 Mar
IAD11:40 a.m.Washington, D.C. Dulles Intl
1h 30m
YTZ1:10 p.m.Toronto Island
C$ 351
Air Transat
11 Apr
YTZ11:00 a.m.Toronto Island
1h 29m
IAD12:29 p.m.Washington, D.C. Dulles Intl
12 Apr
IAD6:30 p.m.Washington, D.C. Dulles Intl
1h 30m
YTZ8:00 p.m.Toronto Island
C$ 359

Delta flights from Region of Ontario to Washington, D.C.

Our best Delta deals on Region of Ontario to Washington, D.C. flight tickets
Delta
14 Apr
YYZ6:10 a.m.Toronto Pearson Intl
4h 08m
1 stop
IAD10:18 a.m.Washington, D.C. Dulles Intl
24 Apr
IAD12:45 p.m.Washington, D.C. Dulles Intl
4h 54m
1 stop
YYZ5:39 p.m.Toronto Pearson Intl
C$ 373
Delta
19 Feb
YYZ6:00 a.m.Toronto Pearson Intl
5h 44m
1 stop
IAD11:44 a.m.Washington, D.C. Dulles Intl
9 Mar
IAD5:32 p.m.Washington, D.C. Dulles Intl
5h 07m
1 stop
YYZ10:39 p.m.Toronto Pearson Intl
C$ 393
Delta
18 Feb
YYZ6:15 a.m.Toronto Pearson Intl
5h 38m
1 stop
IAD11:53 a.m.Washington, D.C. Dulles Intl
21 Feb
IAD12:24 p.m.Washington, D.C. Dulles Intl
4h 54m
1 stop
YYZ5:18 p.m.Toronto Pearson Intl
C$ 414

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Washington, D.C. 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 4 February 2026.
Use the filters below to find and compare flights from Ontario to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Wed 1/4

7:10 a.m.-12:01 p.m.

1 stop4h 51m

Washington, D.C. Reagan-National

Wed 8/4

6:00 a.m.-11:34 a.m.

1 stop5h 34m

C$ 270

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 11/4

5:30 p.m.-9:18 p.m.

1 stop3h 48m

Washington, D.C. Dulles Intl

Mon 13/4

12:40 p.m.-5:28 p.m.

1 stop4h 48m

C$ 270

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 26/2

8:50 a.m.-10:22 a.m.

Nonstop1h 32m

Washington, D.C. Dulles Intl

Mon 2/3

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

Nonstop1h 30m

C$ 277

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 26/2

8:50 a.m.-10:22 a.m.

Nonstop1h 32m

Washington, D.C. Dulles Intl

Mon 2/3

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

Nonstop1h 30m

C$ 279

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 26/2

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

1 stop4h 04m

Washington, D.C. Reagan-National

Sun 1/3

12:55 p.m.-8:46 p.m.

1 stop7h 51m

C$ 284

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 26/2

8:50 a.m.-10:22 a.m.

Nonstop1h 32m

Washington, D.C. Dulles Intl

Mon 2/3

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

Nonstop1h 30m

C$ 284

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Tue 14/4

3:40 p.m.-11:59 p.m.

1 stop8h 19m

Baltimore/Washington

Wed 15/4

5:20 a.m.-2:05 p.m.

1 stop8h 45m

C$ 291

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Mon 13/4

3:40 p.m.-9:14 a.m.

1 stop17h 34m

Baltimore/Washington

Wed 15/4

5:20 a.m.-2:05 p.m.

1 stop8h 45m

C$ 296

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 21/3

9:45 a.m.-11:44 a.m.

Nonstop1h 59m

Washington, D.C. Dulles Intl

Sat 28/3

10:13 p.m.-11:54 p.m.

Nonstop1h 41m

C$ 415

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 5/3

2:15 p.m.-4:11 p.m.

Nonstop1h 56m

Washington, D.C. Dulles Intl

Tue 10/3

8:26 a.m.-1:32 p.m.

1 stop5h 06m

C$ 429

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 Washington, D.C. from

How to get the cheapest flight ticket from Region of Ontario to Washington, D.C.

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 Washington, D.C.?

If you aren’t able to travel during the month of October, then book flights to Washington, D.C. from Region of Ontario during April instead. Flights to Washington, D.C. in April, while not as cheap as those in October, still average around C$ 299.

What is the cheapest day to depart on your flight to Washington, D.C.?

The cheapest day to depart from Region of Ontario to Washington, D.C. is on a Friday. Travellers who choose to depart for Washington, D.C. on a Friday will often find tickets for as low as C$ 497. The most expensive day to fly to Washington, D.C. is Sunday, with ticket prices averaging around C$ 837.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the afternoon is the cheapest time of day to fly from Region of Ontario to Washington, D.C. when you can find flight prices for as low as C$ 489. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. In the evening is when there is more demand to fly to Washington, D.C., so prices are often more expensive at around C$ 812 per ticket.

What is the cheapest Ontario to Washington, D.C. flight route?

Fly from Toronto Pearson Intl to Washington, D.C. Dulles Intl for the best Ontario - Washington, D.C. flight prices

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around C$ 397 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Region of Ontario for as low as C$ 324 on momondo.

What cabin class options are available on Ontario to Washington, D.C. flights?

There are 4 cabin classes available to choose from on Ontario to Washington, D.C. 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 Region of Ontario to Washington, D.C. flights?

You could potentially save up to 2% on your flight if you consider stops on a Region of Ontario to Washington, D.C. flight.

Cheap Region of Ontario to Washington, D.C. flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Washington, D.C.

Best price found

C$ 193

Fastest flight time

1h 25m

Direct flights

Every day

Airports in Washington, D.C.

2 airports
The best one-way flight to Washington, D.C. from Region of Ontario in the past 72 hours is C$ 193. The best round-trip flight deal from Region of Ontario to Washington, D.C. found on momondo in the last 72 hours is C$ 279.
The fastest flight from Region of Ontario to Washington, D.C. takes 1h 25m
Direct flights go from Region of Ontario to Washington, D.C. every day.
There are 2 airports in Washington, D.C.. From Region of Ontario there are direct flights to Washington, D.C. Dulles Intl (IAD).
Search flight deals

  • When did momondo last update prices for flights from Ontario to Washington, D.C.?

    Prices for flights from Ontario to Washington, D.C. are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ontario to Washington, D.C.?

  • How old do you have to be to fly from Ontario to Washington, D.C.?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Region of Ontario to Washington, D.C.?

Best airlines flying from Region of Ontario to Washington, D.C.

Compare and see reviews for airlines that fly from Region of Ontario to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom C$ 183Free CancellationRating
7.9
412 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 193Free CancellationRating
7.1
10,688 reviews
Search Air Canada flights
American AirlinesPriceFrom C$ 198Free CancellationRating
7.2
11,224 reviews
Search American Airlines flights
United AirlinesPriceFrom C$ 200Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
Air TransatPriceFrom C$ 207Free CancellationRating
7.7
502 reviews
Search Air Transat flights
DeltaPriceFrom C$ 303Free CancellationRating
7.9
8,146 reviews
Search Delta flights
WestJetPriceFrom C$ 379Free CancellationRating
7.2
3,255 reviews
Search WestJet flights

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Gettysburg
Alexandria
Gaithersburg
Fairfax
Linthicum Heights
Bethesda
Silver Spring
National Harbor
Reston
Laurel
Herndon
Arlington
Fredericksburg
Manassas
Woodbridge
Rockville
McLean
Tysons

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Washington, D.C.?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Washington, D.C.. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Washington, D.C.?

Once you have performed a search for Ontario to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ontario to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 36.1 km from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport