HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Reagan-National

$133+ Cheap flights from Ontario to Reagan-National (DCA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — DCA
Jun 13 — Jun 201
Sat 6/13
Sat 6/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Reagan-National with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Reagan-National

Cheapest flights from Ontario to Reagan-National
Explore the most affordable flight options available from Ontario to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 14, 2026.

This Trip.com deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:25 pm
YYZ
-
DCA
Nonstop1h 33m
Air Canada
Tue 6/212:45 pm
DCA
-
YYZ
1 stop4h 25m
Air Canada
Deal found 5/13$200
This iWofly deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:10 am
YYZ
-
DCA
1 stop3h 51m
Air Canada
Mon 6/86:59 am
DCA
-
YYZ
Nonstop1h 32m
Air Canada
Deal found 5/9$201
This Ticket deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:40 am
YTZ
-
DCA
1 stop4h 21m
Air Canada
Sun 5/3112:45 pm
DCA
-
YTZ
1 stop5h 37m
Air Canada
Deal found 5/10$201
This Kissandfly.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:10 am
YYZ
-
DCA
1 stop3h 51m
Air Canada
Sun 5/316:00 am
DCA
-
YYZ
1 stop4h 38m
Air Canada
Deal found 5/10$202
This Kissandfly.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/117:20 am
YYZ
-
DCA
Nonstop1h 33m
Air Canada
Mon 6/156:00 am
DCA
-
YYZ
1 stop4h 38m
Air Canada
Deal found 5/10$205
This Flightnetwork deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/233:35 pm
YTZ
-
DCA
2 stops6h 20m
Air Canada
Mon 5/2512:45 pm
DCA
-
YTZ
1 stop5h 37m
Air Canada
Deal found 5/9$205
This SmartFares deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:00 am
YYZ
-
DCA
1 stop4h 17m
Delta
Tue 6/25:28 pm
DCA
-
YYZ
1 stop5h 31m
Delta
Deal found 5/13$207
This Air Canada deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:20 am
YYZ
-
DCA
Nonstop1h 33m
Air Canada
Mon 6/18:40 pm
DCA
-
YYZ
Nonstop1h 32m
Air Canada
Deal found 5/12$209
This Kissandfly.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/118:20 am
YTZ
-
DCA
1 stop3h 41m
Air Canada
Mon 6/156:00 am
DCA
-
YTZ
1 stop5h 52m
Air Canada
Deal found 5/10$209
This Air Canada deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:40 am
YTZ
-
DCA
1 stop4h 21m
Air Canada
Sat 5/304:20 pm
DCA
-
YTZ
1 stop5h 12m
Air Canada
Deal found 5/13$213
This Air Canada deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/138:20 am
YTZ
-
DCA
1 stop3h 41m
Air Canada
Mon 6/156:00 am
DCA
-
YTZ
1 stop5h 52m
Air Canada
Deal found 5/11$214
This Air Canada deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:20 am
YTZ
-
DCA
1 stop3h 41m
Air Canada
Mon 6/812:45 pm
DCA
-
YTZ
1 stop5h 37m
Air Canada
Deal found 5/12$227

Find flight deals from Ontario to Reagan-National

Keep the following information in mind while searching for Ontario to Reagan-National flight deals. Data was last updated May 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$200
(Trip.com)

One-way from

$133
(iWofly)

Popular in

March

Cheapest in

October

Average price

$291

Good round-trip deal

$257 or less

Good one-way deal

$168 or less
Provider with most accurate pricing for Toronto (YTO)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto (YTO)-Washington, D.C. (WAS) flights.
Search Deals
From Ontario to Washington, D.C. Reagan-National
Search Deals
One-way flight from Ontario to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Ontario to Washington, D.C. Reagan-National.
Search Deals
Price to beat on a one-way flight from Ontario to Washington, D.C. Reagan-National.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Reagan-National 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, Cheapflights users made 2,558,603 searches. Data last updated May 14, 2026.
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

Cheapest round-trip

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Thu 6/4

8:20 am-12:01 pm

1 stop3h 41m

Washington, D.C. Reagan-National

Mon 6/8

12:45 pm-6:22 pm

1 stop5h 37m

$227

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Fri 5/29

6:50 am-3:39 pm

1 stop8h 49m

Washington, D.C. Reagan-National

Tue 6/2

12:45 pm-6:22 pm

1 stop5h 37m

$234

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Wed 5/27

10:45 am-2:23 pm

1 stop3h 38m

Washington, D.C. Reagan-National

Sat 5/30

7:15 pm-11:59 pm

1 stop4h 44m

$241

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Sat 6/6

2:20 pm-6:59 pm

1 stop4h 39m

Washington, D.C. Reagan-National

Mon 6/8

1:30 pm-6:09 pm

1 stop4h 39m

$242

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Wed 6/10

12:15 pm-6:12 pm

1 stop5h 57m

Washington, D.C. Reagan-National

Wed 6/17

8:25 am-4:41 pm

1 stop8h 16m

$271

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 6/4

7:20 am-8:53 am

Nonstop1h 33m

Washington, D.C. Reagan-National

Tue 6/9

11:00 am-4:14 pm

1 stop5h 14m

$275
Quickest round-trip

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Sat 6/6

7:20 am-8:53 am

Nonstop1h 33m

Washington, D.C. Reagan-National

Mon 6/8

8:40 pm-10:12 pm

Nonstop1h 32m

$275

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Sat 6/20

6:00 am-10:57 am

1 stop4h 57m

Washington, D.C. Reagan-National

Sat 6/27

6:20 pm-11:02 pm

1 stop4h 42m

$276

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 7/9

6:00 am-12:42 pm

1 stop6h 42m

Washington, D.C. Reagan-National

Tue 7/14

9:39 am-5:24 pm

1 stop7h 45m

$280

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Fri 7/10

6:29 pm-10:59 pm

1 stop4h 30m

Washington, D.C. Reagan-National

Tue 7/14

6:00 am-1:34 pm

1 stop7h 34m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Ontario to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Washington, D.C. Reagan-National Airport

How far ahead should I book a flight from Region of Ontario to Washington, D.C. Reagan-National Airport?

The price you pay for your flight from Region of Ontario to Washington, D.C. Reagan-National Airport may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Region of Ontario to Washington, D.C. Reagan-National Airport?

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Washington, D.C. Reagan-National Airport (average of $78). Flying from Region of Ontario to Washington, D.C. Reagan-National Airport in April is currently the most expensive (average of $170). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ON to DCA?

Find hourly flight availability from Ontario to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 14, 2026.

One of the essential ways to save on airfare from Region of Ontario to Washington, D.C. Reagan-National Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 33% on airfare.

Weekly flight availability from Region of Ontario to Washington, D.C. Reagan-National Airport

Explore weekly flight availability from Ontario to Reagan-National. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 14, 2026.

The most flights from CAON to DCA are scheduled on a Monday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

How much does it cost to fly round-trip from Region of Ontario to Washington, D.C. Reagan-National Airport?

Related info for your journey

Find useful and relevant information for your journey from Ontario to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Region of Ontario to Washington, D.C. Reagan-National Airport?

    There are many flights that can get you from Region of Ontario to Washington, D.C. Reagan-National Airport in 3h 38m. Fly via Air Canada, United Airlines, or Delta to get the fastest option. Airlines will cover a distance of 359 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Region of Ontario to Washington, D.C. Reagan-National Airport one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $116. Users have also found prices from $134 and $151 on American Airlines and United Airlines, respectively.

  • What are the most popular routes from Region of Ontario to Washington, D.C. Reagan-National Airport?

    The most popular route from Region of Ontario to Washington, D.C. Reagan-National Airport is Toronto Pearson Intl - Washington, D.C. Reagan-National. You may also consider Montreal Pierre Elliott Trudeau Intl - Washington, D.C. Reagan-National or Ottawa - Washington, D.C. Reagan-National.

  • What are the most reliable airlines from Region of Ontario to Washington, D.C. Reagan-National Airport?

    Consider American Airlines (69%), Porter Airlines (69%) or PSA Airlines (69%) when booking your flight. These represent the most reliable airlines when flying from Region of Ontario to Washington, D.C. Reagan-National Airport.

  • What are the cheapest flights from Region of Ontario to Washington, D.C. Reagan-National Airport?

    Looking for the cheapest flight from Region of Ontario to Washington, D.C. Reagan-National Airport? While on average our users pay $369, our data indicates the cheapest price to be $126. The most popular route (Toronto Pearson Intl - Washington, D.C. Reagan-National), is priced around $233.

  • Can I find deals for flights from Ontario to Reagan-National that include hotel bookings?

    Yes. In addition to deals on Ontario to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Reagan-National?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Reagan-National.

  • Can I find deals for business class flights from Ontario to Reagan-National?

    Yes. Cheapflights offers flight deals from Ontario to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Region of Ontario to Washington, D.C. Reagan-National Airport?

    Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Washington, D.C. Reagan-National Airport (average of $78). Flying from Region of Ontario to Washington, D.C. Reagan-National Airport in April is currently the most expensive (average of $170). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Tysons
Owings Mills
Springfield
Arlington
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Silver Spring
Hanover
Laurel
Woodbridge
Waldorf
Largo
Clinton
Hunt Valley
Cordova
Reston

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Ontario to Reagan-National

Discover the top 4 airlines that operate flights from Ontario to Reagan-National. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$133Average$379FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$191Average$349FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$218Average$322FlexibilityNo cancel feeOn-time71%
Porter AirlinesCheapest$255Average$316FlexibilityNo cancel feeOn-time52%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights