Cheap flights from Ontario to Washington, D.C. from $129

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 1/10. 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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American Airlines Logo
5:15 pm - 7:14 pmYYZ-DCA
1h 59mnonstop
American Airlines Logo
6:00 am - 4:03 pmDCA-YYZ
10h 03m1 stop
$193American Airlines
Find Deal
Fri, Jan 23 - Sat, Jan 24
Air Canada Logo
6:10 pm - 7:45 pmYYZ-DCA
1h 35mnonstop
Air Canada Logo
9:40 am - 11:17 amDCA-YYZ
1h 37mnonstop
$203Air Canada
Find Deal
Thu, Jan 8 - Sun, Jan 11
Air Canada Logo
8:15 am - 12:19 pmYYZ-DCA
4h 04m1 stop
Air Canada Logo
6:00 am - 10:49 amDCA-YYZ
4h 49m1 stop
$205Air Canada
Find Deal
Tue, Mar 24 - Fri, Mar 27
Air Canada Logo
7:10 am - 12:19 pmYYZ-DCA
5h 09m1 stop
Air Canada Logo
6:59 am - 8:35 amDCA-YYZ
1h 36mnonstop
$208Air Canada
Find Deal
Thu, Jan 8 - Sun, Jan 11
American Airlines Logo
5:15 pm - 7:14 pmYYZ-DCA
1h 59mnonstop
American Airlines Logo
10:12 am - 11:59 amDCA-YYZ
1h 47mnonstop
$209American Airlines
Find Deal
Fri, Jan 16 - Tue, Jan 20
Air Canada Logo
10:00 am - 3:31 pmYYZ-DCA
5h 31m1 stop
Air Canada Logo
6:00 am - 11:40 amDCA-YYZ
5h 40m1 stop
$213Air Canada
Find Deal
Thu, Jan 8 - Sun, Jan 11
Air Canada Logo
5:30 pm - 9:58 pmYTZ-DCA
4h 28m1 stop
Air Canada Logo
11:05 am - 3:55 pmDCA-YTZ
4h 50m1 stop
$213Air Canada
Find Deal
Sat, Feb 14 - Tue, Feb 17
Air Canada Logo
9:00 pm - 10:35 pmYYZ-DCA
1h 35mnonstop
Air Canada Logo
8:40 pm - 10:17 pmDCA-YYZ
1h 37mnonstop
$214Air Canada
Find Deal
Tue, Dec 16 - Wed, Jan 7
United Airlines Logo
5:10 am - 8:55 amYXU-DCA
3h 45m1 stop
United Airlines Logo
6:00 am - 5:05 pmDCA-YXU
11h 05m2 stops
$527United Airlines
Find Deal
Thu, Jan 1 - Thu, Jan 8
United Airlines Logo
5:10 am - 2:51 pmYXU-DCA
9h 41m2 stops
United Airlines Logo
7:00 am - 5:05 pmDCA-YXU
10h 05m2 stops
$580United Airlines
Find Deal
Thu, Dec 18 - Thu, Dec 25

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
Jan 8
YYZ6:10 pmToronto Pearson Intl
1h 35m
DCA7:45 pmWashington, D.C. Reagan-National
Jan 11
DCA9:40 amWashington, D.C. Reagan-National
1h 37m
YYZ11:17 amToronto Pearson Intl
Air Canada
Mar 24
YYZ8:15 amToronto Pearson Intl
4h 04m
1 stop
DCA12:19 pmWashington, D.C. Reagan-National
Mar 27
DCA6:00 amWashington, D.C. Reagan-National
4h 49m
1 stop
YYZ10:49 amToronto Pearson Intl
Air Canada
Jan 8
YYZ7:10 amToronto Pearson Intl
5h 09m
1 stop
DCA12:19 pmWashington, D.C. Reagan-National
Jan 11
DCA6:59 amWashington, D.C. Reagan-National
1h 36m
YYZ8:35 amToronto Pearson Intl

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

Our best Delta deals on Region of Ontario to Washington, D.C. Reagan-National Airport flight tickets
Delta
Jan 5
YYZ6:13 pmToronto Pearson Intl
4h 35m
1 stop
DCA10:48 pmWashington, D.C. Reagan-National
Jan 24
DCA8:50 amWashington, D.C. Reagan-National
4h 34m
1 stop
YYZ1:24 pmToronto Pearson Intl
Delta
Dec 17
YYZ6:05 amToronto Pearson Intl
5h 32m
1 stop
DCA11:37 amWashington, D.C. Reagan-National
Jan 6
DCA6:05 amWashington, D.C. Reagan-National
5h 15m
1 stop
YYZ11:20 amToronto Pearson Intl
Delta
Dec 4
YUL7:00 amMontreal Pierre Elliott Trudeau Intl
8h 00m
1 stop
DCA3:00 pmWashington, D.C. Reagan-National
Dec 7
DCA6:00 amWashington, D.C. Reagan-National
5h 35m
1 stop
YUL11:35 amMontreal Pierre Elliott Trudeau Intl

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 832,500 searches. Data last updated November 19, 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.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Fri 1/23

5:15 pm-7:14 pm

Nonstop1h 59m

Washington, D.C. Reagan-National

Sat 1/24

6:00 am-4:03 pm

1 stop10h 03m

$193

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 1/8

6:10 pm-7:45 pm

Nonstop1h 35m

Washington, D.C. Reagan-National

Sun 1/11

9:40 am-11:17 am

Nonstop1h 37m

$203

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Tue 3/24

8:15 am-12:19 pm

1 stop4h 04m

Washington, D.C. Reagan-National

Fri 3/27

6:00 am-10:49 am

1 stop4h 49m

$205

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 1/8

7:10 am-12:19 pm

1 stop5h 09m

Washington, D.C. Reagan-National

Sun 1/11

6:59 am-8:35 am

Nonstop1h 36m

$208

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Fri 1/16

5:15 pm-7:14 pm

Nonstop1h 59m

Washington, D.C. Reagan-National

Tue 1/20

10:12 am-11:59 am

Nonstop1h 47m

$209

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 1/8

10:00 am-3:31 pm

1 stop5h 31m

Washington, D.C. Reagan-National

Sun 1/11

6:00 am-11:40 am

1 stop5h 40m

$213

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Sat 2/14

5:30 pm-9:58 pm

1 stop4h 28m

Washington, D.C. Reagan-National

Tue 2/17

11:05 am-3:55 pm

1 stop4h 50m

$213

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Tue 12/16

9:00 pm-10:35 pm

Nonstop1h 35m

Washington, D.C. Reagan-National

Wed 1/7

8:40 pm-10:17 pm

Nonstop1h 37m

$214

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Thu 1/1

5:10 am-8:55 am

1 stop3h 45m

Washington, D.C. Reagan-National

Thu 1/8

6:00 am-5:05 pm

2 stops11h 05m

$527

LondonWashington, D.C.

YXU - DCA

YXUDCA

London

Thu 12/18

5:10 am-2:51 pm

2 stops9h 41m

Washington, D.C. Reagan-National

Thu 12/25

7:00 am-5:05 pm

2 stops10h 05m

$580

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. 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 $242. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of March, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $245.

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

The cheapest day to depart from Region of Ontario to Washington, D.C. Reagan-National Airport is on a Friday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Friday will often find tickets for as low as $280. Flights from Region of Ontario to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $501. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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 $275. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the afternoon when prices are around $320.

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 $274 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 $227 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?

No. A direct flight is the cheapest option for a flight between Region of Ontario to Washington, D.C. Reagan-National Airport.

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

$184

Fastest flight time

1h 32m

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 $184. 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 $254.
The fastest flight from Region of Ontario to Washington, D.C. Reagan-National Airport takes 1h 32m
Direct flights go from Region of Ontario to Washington, D.C. Reagan-National Airport every day.
  • 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 are refreshed on a daily basis.

  • 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 travel and health documents required for your trip to Washington, D.C. Reagan-National Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Reagan-National Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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
United AirlinesPriceFrom $133Free CancellationRating
7.4
9,019 reviews
Search United Airlines flights
Air CanadaPriceFrom $187Free CancellationRating
7.1
10,462 reviews
Search Air Canada flights
American AirlinesPriceFrom $213Free CancellationRating
7.2
11,044 reviews
Search American Airlines flights

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Reston
Manassas
Gaithersburg
Fairfax
Glen Burnie
Linthicum Heights
Springfield

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?

Flights from Ontario to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Ontario.

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 not ready to book a flight from Ontario to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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1 adult
Fri 12/19
Fri 12/26

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