Cheap flights from Ontario to Washington, D.C. from C$ 186

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 24/6. 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 Ontario to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
1:50 p.m. - 3:21 p.m.
YTZ
-
IAD
1h 31mdirect
Porter Airlines Logo
11:30 a.m. - 1:00 p.m.
IAD
-
YTZ
1h 30mdirect
C$ 272Porter Airlines
Fri, 29 May - Tue, 16 Jun
Air Canada Logo
7:00 a.m. - 12:01 p.m.
YYZ
-
DCA
5h 01m
1 stop
Air Canada Logo
6:00 a.m. - 10:38 a.m.
DCA
-
YYZ
4h 38m
1 stop
C$ 273Air Canada
Thu, 21 May - Sun, 24 May
Porter Airlines Logo
9:15 a.m. - 10:46 a.m.
YTZ
-
IAD
1h 31mdirect
Porter Airlines Logo
11:30 a.m. - 1:00 p.m.
IAD
-
YTZ
1h 30mdirect
C$ 273Porter Airlines
Sat, 30 May - Tue, 9 Jun
Air Canada Logo
7:40 a.m. - 12:01 p.m.
YTZ
-
DCA
4h 21m
1 stop
Air Canada Logo
6:00 a.m. - 11:47 a.m.
DCA
-
YTZ
5h 47m
1 stop
C$ 273Air Canada
Wed, 27 May - Thu, 28 May
Air Canada Logo
7:40 a.m. - 12:01 p.m.
YTZ
-
DCA
4h 21m
1 stop
Air Canada Logo
12:45 p.m. - 6:22 p.m.
DCA
-
YTZ
5h 37m
1 stop
C$ 275Air Canada
Thu, 21 May - Mon, 25 May
Air Canada Logo
8:55 p.m. - 10:28 p.m.
YYZ
-
DCA
1h 33mdirect
Air Canada Logo
6:00 a.m. - 11:38 a.m.
DCA
-
YYZ
5h 38m
1 stop
C$ 276Air Canada
Thu, 21 May - Sun, 24 May
Air Transat Logo
9:15 a.m. - 10:46 a.m.
YTZ
-
IAD
1h 31mdirect
Air Transat Logo
11:30 a.m. - 1:00 p.m.
IAD
-
YTZ
1h 30mdirect
C$ 283Air Transat
Tue, 16 Jun - Tue, 23 Jun
United Airlines Logo
9:35 a.m. - 11:11 a.m.
YYZ
-
IAD
1h 36mdirect
United Airlines Logo
10:14 p.m. - 11:54 p.m.
IAD
-
YYZ
1h 40mdirect
C$ 286United Airlines
Fri, 29 May - Sat, 20 Jun
United Airlines Logo
12:45 p.m. - 2:21 p.m.
YYZ
-
IAD
1h 36mdirect
United Airlines Logo
6:33 a.m. - 11:43 a.m.
IAD
-
YYZ
5h 10m
1 stop
C$ 298United Airlines
Wed, 27 May - Tue, 2 Jun
Lufthansa Logo
7:43 p.m. - 9:26 p.m.
YYZ
-
IAD
1h 43mdirect
Lufthansa Logo
6:10 a.m. - 11:49 a.m.
IAD
-
YYZ
5h 39m
1 stop
C$ 310Lufthansa
Fri, 22 May - Mon, 25 May

Porter Airlines flights from Region of Ontario to Washington, D.C.

Our best Porter Airlines deals on Region of Ontario to Washington, D.C. flight tickets
Porter Airlines
29 May
YTZ1:50 p.m.Toronto Island
1h 31m
IAD3:21 p.m.Washington, D.C. Dulles Intl
16 Jun
IAD11:30 a.m.Washington, D.C. Dulles Intl
1h 30m
YTZ1:00 p.m.Toronto Island
C$ 272
Porter Airlines
30 May
YTZ9:15 a.m.Toronto Island
1h 31m
IAD10:46 a.m.Washington, D.C. Dulles Intl
9 Jun
IAD11:30 a.m.Washington, D.C. Dulles Intl
1h 30m
YTZ1:00 p.m.Toronto Island
C$ 273
Porter Airlines
23 May
YTZ9:15 a.m.Toronto Island
1h 31m
IAD10:46 a.m.Washington, D.C. Dulles Intl
24 May
IAD4:05 p.m.Washington, D.C. Dulles Intl
1h 30m
YTZ5:35 p.m.Toronto Island
C$ 280

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
11 Jun
YYZ6:14 p.m.Toronto Pearson Intl
5h 00m
1 stop
IAD11:14 p.m.Washington, D.C. Dulles Intl
14 Jun
IAD6:05 a.m.Washington, D.C. Dulles Intl
5h 14m
1 stop
YYZ11:19 a.m.Toronto Pearson Intl
C$ 317
Delta
3 Jun
YYZ2:20 p.m.Toronto Pearson Intl
8h 39m
1 stop
DCA10:59 p.m.Washington, D.C. Reagan-National
22 Jun
DCA1:30 p.m.Washington, D.C. Reagan-National
7h 49m
1 stop
YYZ9:19 p.m.Toronto Pearson Intl
C$ 331
Delta
22 May
YUL6:51 p.m.Montreal Pierre Elliott Trudeau Intl
6h 00m
1 stop
IAD12:51 a.m.Washington, D.C. Dulles Intl
29 May
IAD3:08 p.m.Washington, D.C. Dulles Intl
8h 49m
1 stop
YUL11:57 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 448

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 9 May 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

Cheapest round-trip
Quickest round-trip

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 29/5

1:50 p.m.-3:21 p.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Tue 16/6

11:30 a.m.-1:00 p.m.

Nonstop1h 30m

C$ 272

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 21/5

7:00 a.m.-12:01 p.m.

1 stop5h 01m

Washington, D.C. Reagan-National

Sun 24/5

6:00 a.m.-10:38 a.m.

1 stop4h 38m

C$ 273

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 30/5

9:15 a.m.-10:46 a.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Tue 9/6

11:30 a.m.-1:00 p.m.

Nonstop1h 30m

C$ 273

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Wed 27/5

7:40 a.m.-12:01 p.m.

1 stop4h 21m

Washington, D.C. Reagan-National

Thu 28/5

6:00 a.m.-11:47 a.m.

1 stop5h 47m

C$ 273

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Thu 21/5

7:40 a.m.-12:01 p.m.

1 stop4h 21m

Washington, D.C. Reagan-National

Mon 25/5

12:45 p.m.-6:22 p.m.

1 stop5h 37m

C$ 275

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 21/5

8:55 p.m.-10:28 p.m.

Nonstop1h 33m

Washington, D.C. Reagan-National

Sun 24/5

6:00 a.m.-11:38 a.m.

1 stop5h 38m

C$ 276

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Tue 16/6

9:15 a.m.-10:46 a.m.

Nonstop1h 31m

Washington, D.C. Dulles Intl

Tue 23/6

11:30 a.m.-1:00 p.m.

Nonstop1h 30m

C$ 283

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 29/5

9:35 a.m.-11:11 a.m.

Nonstop1h 36m

Washington, D.C. Dulles Intl

Sat 20/6

10:14 p.m.-11:54 p.m.

Nonstop1h 40m

C$ 286

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Wed 27/5

12:45 p.m.-2:21 p.m.

Nonstop1h 36m

Washington, D.C. Dulles Intl

Tue 2/6

6:33 a.m.-11:43 a.m.

1 stop5h 10m

C$ 298

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 22/5

7:43 p.m.-9:26 p.m.

Nonstop1h 43m

Washington, D.C. Dulles Intl

Mon 25/5

6:10 a.m.-11:49 a.m.

1 stop5h 39m

C$ 310

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 January, then book flights to Washington, D.C. from Region of Ontario during June instead. Flights to Washington, D.C. in June, while not as cheap as those in January, still average around C$ 374.

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$ 516. The most expensive day to fly to Washington, D.C. is Sunday, with ticket prices averaging around C$ 946.

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$ 505. 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$ 852 per ticket.

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

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

How far in advance should I book a flight from Ontario 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$ 419 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$ 291 on momondo.

Can stopping save me money on Region of Ontario to Washington, D.C. flights?

You could potentially save up to 9% 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$ 215

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$ 215. The best round-trip flight deal from Region of Ontario to Washington, D.C. found on momondo in the last 72 hours is C$ 303.
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).

Frequently asked questions about flying from Ontario to Washington, D.C.

  • 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
8.0
437 reviews
Search Porter Airlines flights
American AirlinesPriceFrom C$ 209Free CancellationRating
7.1
11,669 reviews
Search American Airlines flights
Air CanadaPriceFrom C$ 231Free CancellationRating
7.1
11,011 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 247Free CancellationRating
7.4
9,696 reviews
Search United Airlines flights
Air TransatPriceFrom C$ 294Free CancellationRating
7.8
548 reviews
Search Air Transat flights
DeltaPriceFrom C$ 346Free CancellationRating
7.9
8,457 reviews
Search Delta flights
WestJetPriceFrom C$ 426Free CancellationRating
7.2
3,332 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
Alexandria
Gettysburg
Fairfax
Gaithersburg
Linthicum Heights
Bethesda
National Harbor
Reston
Laurel
Herndon
Arlington
Fredericksburg
Manassas
Woodbridge
Silver Spring
Falls Church
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.

An easier way to manage your Washington, D.C. trip

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1 adult
Mon 8/6
Mon 15/6

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.