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Cheap flights from Ontario to Washington, D.C. from C$ 174

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 30/10. 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 Ontario to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
10:30 a.m. - 3:31 p.m.YTZ-DCA
5h 01m1 stop
Air Canada Logo
11:05 a.m. - 4:55 p.m.DCA-YTZ
5h 50m1 stop
C$ 264Air Canada
Find Deal
Tue, 18 Nov - Tue, 25 Nov
Air Canada Logo
6:10 p.m. - 7:45 p.m.YYZ-DCA
1h 35mdirect
Air Canada Logo
6:00 a.m. - 10:49 a.m.DCA-YYZ
4h 49m1 stop
C$ 265Air Canada
Find Deal
Mon, 17 Nov - Mon, 24 Nov
American Airlines Logo
4:07 p.m. - 9:00 p.m.YYZ-DCA
4h 53m1 stop
American Airlines Logo
6:50 a.m. - 1:03 p.m.DCA-YYZ
6h 13m1 stop
C$ 336American Airlines
Find Deal
Sat, 15 Nov - Sun, 16 Nov
American Airlines Logo
5:15 p.m. - 6:55 p.m.YYZ-DCA
1h 40mdirect
American Airlines Logo
6:10 a.m. - 10:19 a.m.DCA-YYZ
4h 09m1 stop
C$ 346American Airlines
Find Deal
Wed, 29 Oct - Thu, 30 Oct
Delta Logo
6:00 a.m. - 10:06 a.m.YYZ-DCA
4h 06m1 stop
Delta Logo
5:03 p.m. - 10:50 p.m.DCA-YYZ
5h 47m1 stop
C$ 347Delta
Find Deal
Thu, 30 Oct - Tue, 18 Nov
Delta Logo
3:35 p.m. - 10:58 p.m.YYZ-DCA
7h 23m1 stop
Delta Logo
12:42 p.m. - 5:19 p.m.DCA-YYZ
4h 37m1 stop
C$ 358Delta
Find Deal
Fri, 24 Oct - Sat, 1 Nov
WestJet Logo
7:00 a.m. - 10:50 p.m.YUL-DCA
15h 50m1 stop
WestJet Logo
6:00 a.m. - 11:19 p.m.DCA-YUL
17h 19m1 stop
C$ 416WestJet
Find Deal
Tue, 23 Dec - Mon, 29 Dec
WestJet Logo
4:55 p.m. - 10:56 p.m.YUL-DCA
6h 01m1 stop
WestJet Logo
6:00 a.m. - 12:20 p.m.DCA-YUL
6h 20m1 stop
C$ 417WestJet
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Fri, 20 Feb - Sun, 22 Feb
Multiple Airlines Logo
5:40 a.m. - 9:56 p.m.YOW-DCA
16h 16m2 stops
Multiple Airlines Logo
5:00 a.m. - 11:42 p.m.DCA-YOW
18h 42m2 stops
C$ 556Multiple Airlines
Find Deal
Thu, 30 Oct - Sun, 2 Nov
Multiple Airlines Logo
8:25 p.m. - 8:55 a.m.YOW-DCA
12h 30m1 stop
Multiple Airlines Logo
5:00 a.m. - 11:42 p.m.DCA-YOW
18h 42m2 stops
C$ 576Multiple Airlines
Find Deal
Thu, 30 Oct - Sun, 2 Nov

Air Canada flights from Region of Ontario to Washington, D.C. Reagan-National Airport

Our best Air Canada deals on Region of Ontario to Washington, D.C. Reagan-National Airport flight tickets
Air Canada
18 Nov
YTZ10:30 a.m.Toronto Island
5h 01m
1 stop
DCA3:31 p.m.Washington, D.C. Reagan-National
25 Nov
DCA11:05 a.m.Washington, D.C. Reagan-National
5h 50m
1 stop
YTZ4:55 p.m.Toronto Island
C$ 264
Find similar
Air Canada
17 Nov
YYZ6:10 p.m.Toronto Pearson Intl
1h 35m
DCA7:45 p.m.Washington, D.C. Reagan-National
24 Nov
DCA6:00 a.m.Washington, D.C. Reagan-National
4h 49m
1 stop
YYZ10:49 a.m.Toronto Pearson Intl
C$ 265
Find similar
Air Canada
17 Nov
YYZ6:10 p.m.Toronto Pearson Intl
1h 35m
DCA7:45 p.m.Washington, D.C. Reagan-National
24 Nov
DCA8:40 p.m.Washington, D.C. Reagan-National
1h 37m
YYZ10:17 p.m.Toronto Pearson Intl
C$ 266
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American Airlines flights from Region of Ontario to Washington, D.C. Reagan-National Airport

Our best American Airlines deals on Region of Ontario to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
15 Nov
YYZ4:07 p.m.Toronto Pearson Intl
4h 53m
1 stop
DCA9:00 p.m.Washington, D.C. Reagan-National
16 Nov
DCA6:50 a.m.Washington, D.C. Reagan-National
6h 13m
1 stop
YYZ1:03 p.m.Toronto Pearson Intl
C$ 336
Find similar
American Airlines
29 Oct
YYZ5:15 p.m.Toronto Pearson Intl
1h 40m
DCA6:55 p.m.Washington, D.C. Reagan-National
30 Oct
DCA6:10 a.m.Washington, D.C. Reagan-National
4h 09m
1 stop
YYZ10:19 a.m.Toronto Pearson Intl
C$ 346
Find similar
American Airlines
21 Oct
YYZ11:00 a.m.Toronto Pearson Intl
1h 40m
DCA12:40 p.m.Washington, D.C. Reagan-National
25 Oct
DCA6:10 a.m.Washington, D.C. Reagan-National
4h 09m
1 stop
YYZ10:19 a.m.Toronto Pearson Intl
C$ 357
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Washington, D.C. Reagan-National Airport 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 5 October 2025.
Use the filters below to find and compare flights from Ontario to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Tue 18/11

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

1 stop5h 01m

Washington, D.C. Reagan-National

Tue 25/11

11:05 a.m.-4:55 p.m.

1 stop5h 50m

C$ 264

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Mon 17/11

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

Nonstop1h 35m

Washington, D.C. Reagan-National

Mon 24/11

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

1 stop4h 49m

C$ 265

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Sat 15/11

4:07 p.m.-9:00 p.m.

1 stop4h 53m

Washington, D.C. Reagan-National

Sun 16/11

6:50 a.m.-1:03 p.m.

1 stop6h 13m

C$ 336

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Wed 29/10

5:15 p.m.-6:55 p.m.

Nonstop1h 40m

Washington, D.C. Reagan-National

Thu 30/10

6:10 a.m.-10:19 a.m.

1 stop4h 09m

C$ 346

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 30/10

6:00 a.m.-10:06 a.m.

1 stop4h 06m

Washington, D.C. Reagan-National

Tue 18/11

5:03 p.m.-10:50 p.m.

1 stop5h 47m

C$ 347

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Fri 24/10

3:35 p.m.-10:58 p.m.

1 stop7h 23m

Washington, D.C. Reagan-National

Sat 1/11

12:42 p.m.-5:19 p.m.

1 stop4h 37m

C$ 358

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Tue 23/12

7:00 a.m.-10:50 p.m.

1 stop15h 50m

Washington, D.C. Reagan-National

Mon 29/12

6:00 a.m.-11:19 p.m.

1 stop17h 19m

C$ 416

MontrealWashington, D.C.

YUL - DCA

YULDCA

Montreal Pierre Elliott Trudeau Intl

Fri 20/2

4:55 p.m.-10:56 p.m.

1 stop6h 01m

Washington, D.C. Reagan-National

Sun 22/2

6:00 a.m.-12:20 p.m.

1 stop6h 20m

C$ 417

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 30/10

5:40 a.m.-9:56 p.m.

2 stops16h 16m

Washington, D.C. Reagan-National

Sun 2/11

5:00 a.m.-11:42 p.m.

2 stops18h 42m

C$ 556

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 30/10

8:25 p.m.-8:55 a.m.

1 stop12h 30m

Washington, D.C. Reagan-National

Sun 2/11

5:00 a.m.-11:42 p.m.

2 stops18h 42m

C$ 576

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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. Reagan-National Airport

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. Reagan-National Airport?

The month of March is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Region of Ontario, with most prices found around C$ 337. If you don’t want to visit Washington, D.C. Reagan-National Airport in March, then you should wait until June to fly from Region of Ontario, when ticket prices are also cheap, with an average price of C$ 342.

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

On average, the least expensive day to fly to Washington, D.C. Reagan-National Airport from Region of Ontario is on a Thursday. momondo users have found tickets for Thursday departures for as low as C$ 442. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Region of Ontario to Washington, D.C. Reagan-National Airport for around C$ 741.

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

Our data shows that the cheapest Region of Ontario to Washington, D.C. Reagan-National Airport flights are usually those with departure times at noon. Our users have found flights to Washington, D.C. Reagan-National Airport at noon for as low as C$ 358. Flights in the evening are often more expensive with an average ticket price of C$ 864.

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

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

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

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around C$ 390 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from Region of Ontario for as low as C$ 315 on momondo.

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

There are 4 cabin classes available to choose from on Ontario to Washington, D.C. Reagan-National 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. Reagan-National Airport flights?

You could potentially save up to 27% on your flight if you consider stops on a Region of Ontario to Washington, D.C. Reagan-National Airport flight.

Cheap Region of Ontario to Washington, D.C. Reagan-National Airport flight deals and tips

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

Best price found

C$ 303

Fastest flight time

1h 34m

Direct flights

Every day
The best one-way flight to Washington, D.C. Reagan-National Airport from Region of Ontario in the past 72 hours is C$ 303. The best round-trip flight deal from Region of Ontario to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is C$ 372.
The fastest flight from Region of Ontario to Washington, D.C. Reagan-National Airport takes 1h 34m
Direct flights go from Region of Ontario to Washington, D.C. Reagan-National Airport every day.
Search flight deals

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

    Prices for flights from Ontario to Washington, D.C. Reagan-National Airport were last updated today.

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

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

    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 Ontario to Washington, D.C. Reagan-National Airport.

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

    The required travel and health documents for your Washington, D.C. Reagan-National Airport 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 Washington, D.C. Reagan-National Airport. 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 Region of Ontario to Washington, D.C. Reagan-National Airport?

Best airlines flying from Region of Ontario to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Region of Ontario to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom C$ 186Free CancellationRating
7.9
373 reviews
Search Porter Airlines flights
American AirlinesPriceFrom C$ 213Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air CanadaPriceFrom C$ 266Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 326Free CancellationRating
7.4
8,953 reviews
Search United Airlines flights
WestJetPriceFrom C$ 387Free CancellationRating
7.2
3,114 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
Linthicum Heights
Silver Spring
Bethesda
Herndon
Reston
Fairfax
Laurel
Capitol Heights
Arlington
Manassas
Fredericksburg
Woodbridge
Rockville
McLean
National Harbor
Tysons

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Ontario.

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

Yes. All flights to Washington, D.C. from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Ontario and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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

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