Reagan-National

$128+ 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — DCA
Jan 17 — Jan 241
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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 December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:19 pmYYZ - DCA
Nonstop1h 45mAmerican Airlines
Fri 1/91:44 pmDCA - YYZ
1 stop9h 15mAmerican Airlines
Deal found 12/17$267
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:45 pmYYZ - DCA
1 stop5h 14mUnited Airlines
Fri 1/910:30 amDCA - YYZ
1 stop5h 32mUnited Airlines
Deal found 12/17$306
This Air Canada deal was found by Cheapflights users on 12/17. 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 12/319:00 pmYYZ - DCA
Nonstop1h 35mAir Canada
Fri 1/96:59 amDCA - YYZ
Nonstop1h 36mAir Canada
Deal found 12/17$315
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:45 pmYYZ - DCA
1 stop5h 14mUnited Airlines
Fri 1/26:00 pmDCA - YYZ
1 stop5h 19mUnited Airlines
Deal found 12/17$321
This Air Canada deal was found by Cheapflights users on 12/15. 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.
Mon 12/228:00 pmYUL - DCA
Nonstop1h 56mAir Canada
Mon 1/56:00 amDCA - YUL
Nonstop1h 45mAir Canada
Deal found 12/15$352
This Air Canada deal was found by Cheapflights users on 12/16. 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 12/259:00 pmYYZ - DCA
Nonstop1h 35mAir Canada
Thu 1/298:40 pmDCA - YYZ
Nonstop1h 37mAir Canada
Deal found 12/16$361
This Air Canada deal was found by Cheapflights users on 12/17. 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 12/248:25 amYUL - DCA
Nonstop1h 56mAir Canada
Fri 1/24:10 pmDCA - YUL
Nonstop1h 45mAir Canada
Deal found 12/17$364
This Air Canada deal was found by Cheapflights users on 12/15. 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.
Mon 12/227:20 amYYZ - DCA
Nonstop1h 35mAir Canada
Mon 12/296:59 amDCA - YYZ
Nonstop1h 36mAir Canada
Deal found 12/15$366
This Air Canada deal was found by Cheapflights users on 12/16. 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.
Fri 12/2610:30 amYUL - DCA
2 stops7h 35mAir Canada
Tue 12/306:00 amDCA - YUL
Nonstop1h 45mAir Canada
Deal found 12/16$372
This Air Canada deal was found by Cheapflights users on 12/14. 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.
Sun 12/218:50 amYUL - DCA
1 stop3h 29mAir Canada
Thu 1/14:10 pmDCA - YUL
Nonstop1h 45mAir Canada
Deal found 12/14$373
This Air Canada deal was found by Cheapflights users on 12/17. 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 12/248:25 amYUL - DCA
Nonstop1h 56mAir Canada
Wed 12/316:59 amDCA - YUL
1 stop6h 23mAir Canada
Deal found 12/17$376
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:45 pmYUL - DCA
1 stop7h 14mUnited Airlines
Wed 12/314:26 pmDCA - YUL
1 stop5h 16mUnited Airlines
Deal found 12/16$378

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$201
(American Airlines)

One-way from

$128
(Air Canada)

Popular in

June

Cheapest in

October

Average price

$270

Good round-trip deal

$291 or less

Good one-way deal

$209 or less
Provider with most accurate pricing for Toronto (YTO)-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Toronto (YTO)-Washington, D.C. (WAS) flights.
From Ontario to Washington, D.C. Reagan-National
One-way flight from Ontario to Washington, D.C. Reagan-National
Highest demand for flights based on searches. 8% potential increase in price ($23 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Ontario to Washington, D.C. Reagan-National.
Price to beat on a one-way flight from Ontario to Washington, D.C. Reagan-National.

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 December 18, 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

Ontario

Fly to

Reagan-National

Route

Depart

Return

Price

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Fri 2/6

5:15 pm-7:14 pm

Nonstop1h 59m

Washington, D.C. Reagan-National

Tue 2/10

10:12 am-11:59 am

Nonstop1h 47m

$201

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Thu 1/15

10:30 am-3:31 pm

1 stop5h 01m

Washington, D.C. Reagan-National

Mon 1/19

12:55 pm-6:13 pm

1 stop5h 18m

$208

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Thu 1/15

10:30 am-3:31 pm

1 stop5h 01m

Washington, D.C. Reagan-National

Tue 1/20

12:55 pm-6:13 pm

1 stop5h 18m

$208

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Wed 1/28

10:30 am-3:33 pm

1 stop5h 03m

Washington, D.C. Reagan-National

Sun 2/1

12:55 pm-6:13 pm

1 stop5h 18m

$208

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Fri 1/30

8:30 am-3:33 pm

1 stop7h 03m

Washington, D.C. Reagan-National

Fri 2/6

12:55 pm-6:10 pm

1 stop5h 15m

$208

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Wed 1/28

10:30 am-3:33 pm

1 stop5h 03m

Washington, D.C. Reagan-National

Sat 1/31

4:15 pm-9:35 pm

1 stop5h 20m

$212

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Sat 1/31

5:30 pm-9:58 pm

1 stop4h 28m

Washington, D.C. Reagan-National

Sat 2/7

11:05 am-3:55 pm

1 stop4h 50m

$215

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Thu 1/15

10:30 am-3:31 pm

1 stop5h 01m

Washington, D.C. Reagan-National

Thu 1/22

12:55 pm-6:13 pm

1 stop5h 18m

$216

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Thu 1/15

10:30 am-3:31 pm

1 stop5h 01m

Washington, D.C. Reagan-National

Wed 1/21

12:55 pm-6:13 pm

1 stop5h 18m

$216

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Fri 2/6

7:10 am-12:19 pm

1 stop5h 09m

Washington, D.C. Reagan-National

Tue 2/10

11:05 am-4:40 pm

1 stop5h 35m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 60 results
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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

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

Currently, December is the cheapest month in which you can book a flight from Region of Ontario to Washington, D.C. Reagan-National Airport (average of $133). Flying from Region of Ontario to Washington, D.C. Reagan-National Airport in February is currently the most expensive (average of $207). 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 December 18, 2025.

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 afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 40% 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 December 18, 2025.

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

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 1h 59m. Fly via American Airlines, Air Canada, or United Airlines 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 United Airlines. According to our data, you can fly for as low as $103. Users have also found prices from $109 and $133 on Air Canada and American Airlines, respectively.

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

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

    Consider Air Canada (65%), Jazz (65%) or American Airlines (54%) 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 $377, our data indicates the cheapest price to be $133. The most popular route (Toronto Pearson Intl - Washington, D.C. Reagan-National), is priced around $219.

  • 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, December is the cheapest month in which you can book a flight from Region of Ontario to Washington, D.C. Reagan-National Airport (average of $133). Flying from Region of Ontario to Washington, D.C. Reagan-National Airport in February is currently the most expensive (average of $207). 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
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

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Alternative routes for Ontario to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Ontario to Reagan-National

Discover the top 3 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$133Average$247FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$188Average$317FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$213Average$340FlexibilityNo cancel feeOn-time71%

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