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Reagan-National

$136+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — DCA
Aug 12 — Aug 191
Wed 8/12
Wed 8/19
1 adult, Economy
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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 July 13, 2026.

This Mytrip deal was found by Cheapflights users on 7/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:10 am
YYZ
-
DCA
1 stop3h 50m
Air Canada
Mon 7/278:40 pm
DCA
-
YYZ
Nonstop1h 31m
Air Canada
Deal found 7/11$210
This Air Canada deal was found by Cheapflights users on 7/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/304:40 pm
YYZ
-
DCA
Nonstop1h 32m
Air Canada
Sun 8/26:00 am
DCA
-
YYZ
1 stop4h 35m
Air Canada
Deal found 7/10$211
This Booking.com deal was found by Cheapflights users on 7/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:20 am
YTZ
-
DCA
1 stop3h 40m
Air Canada
Tue 8/254:20 pm
DCA
-
YTZ
1 stop5h 11m
Air Canada
Deal found 7/11$212
This Air Canada deal was found by Cheapflights users on 7/8. 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 8/227:10 am
YYZ
-
DCA
1 stop4h 50m
Air Canada
Sat 8/2912:40 pm
DCA
-
YYZ
1 stop6h 32m
Air Canada
Deal found 7/8$213
This Air Canada deal was found by Cheapflights users on 7/12. 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.
Fri 8/218:20 am
YTZ
-
DCA
1 stop3h 40m
Air Canada
Thu 8/276:00 am
DCA
-
YTZ
2 stops7h 15m
Air Canada
Deal found 7/12$213
This Air Canada deal was found by Cheapflights users on 7/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:55 pm
YYZ
-
DCA
Nonstop1h 36m
Air Canada
Thu 9/246:59 am
DCA
-
YYZ
Nonstop1h 36m
Air Canada
Deal found 7/10$214
This Air Canada deal was found by Cheapflights users on 7/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/257:10 am
YYZ
-
DCA
1 stop4h 50m
Air Canada
Sun 7/266:00 am
DCA
-
YYZ
1 stop4h 35m
Air Canada
Deal found 7/10$216
This Sembo deal was found by Cheapflights users on 7/10. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:00 am
YYZ
-
DCA
1 stop4h 00m
Air Canada
Wed 8/56:00 am
DCA
-
YYZ
2 stops7h 08m
Air Canada
Deal found 7/10$217
This Air Canada deal was found by Cheapflights users on 7/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:20 am
YTZ
-
DCA
1 stop3h 40m
Air Canada
Sun 9/69:40 am
DCA
-
YTZ
1 stop4h 36m
Air Canada
Deal found 7/9$219
This Booking.com deal was found by Cheapflights users on 7/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:00 am
YYZ
-
DCA
1 stop4h 00m
Air Canada
Tue 8/256:00 am
DCA
-
YYZ
1 stop4h 35m
Air Canada
Deal found 7/11$221
This Air Canada deal was found by Cheapflights users on 7/8. 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 9/36:25 pm
YYZ
-
DCA
Nonstop1h 32m
Air Canada
Mon 9/76:00 am
DCA
-
YYZ
1 stop4h 35m
Air Canada
Deal found 7/8$222
This Air Canada deal was found by Cheapflights users on 7/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:20 am
YTZ
-
DCA
1 stop3h 40m
Air Canada
Sat 8/1512:40 pm
DCA
-
YTZ
1 stop5h 40m
Air Canada
Deal found 7/9$222

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 July 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$210
(Mytrip)

One-way from

$136
(Air Canada)

Popular in

March

Cheapest in

October

Average price

$287

Good round-trip deal

$261 or less

Good one-way deal

$177 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. 11% potential increase in price ($34 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 July 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 July 13, 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.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Sat 8/8

8:10 am-12:00 pm

1 stop3h 50m

Washington, D.C. Reagan-National

Tue 8/11

12:40 pm-5:08 pm

1 stop4h 28m

$213

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Wed 8/26

8:20 am-12:00 pm

1 stop3h 40m

Washington, D.C. Reagan-National

Thu 8/27

12:40 pm-6:20 pm

1 stop5h 40m

$222
Quickest round-trip

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Fri 11/6

7:20 am-8:58 am

Nonstop1h 38m

Washington, D.C. Reagan-National

Sun 11/8

6:59 am-8:32 am

Nonstop1h 33m

$227

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Thu 10/15

8:20 am-12:00 pm

1 stop3h 40m

Washington, D.C. Reagan-National

Wed 11/11

12:55 pm-6:19 pm

1 stop5h 24m

$228

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Tue 8/25

5:30 pm-9:48 pm

1 stop4h 18m

Washington, D.C. Reagan-National

Tue 9/1

9:40 am-2:21 pm

1 stop4h 41m

$229

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Sat 12/5

8:00 am-12:19 pm

1 stop4h 19m

Washington, D.C. Reagan-National

Sun 12/6

6:59 am-8:32 am

Nonstop1h 33m

$232

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Tue 7/28

7:30 am-2:23 pm

1 stop6h 53m

Washington, D.C. Reagan-National

Tue 7/28

8:40 pm-10:11 pm

Nonstop1h 31m

$244

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Sat 9/5

8:20 am-12:00 pm

1 stop3h 40m

Washington, D.C. Reagan-National

Tue 9/8

12:40 pm-6:20 pm

1 stop5h 40m

$244

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Tue 9/8

7:29 am-12:19 pm

1 stop4h 50m

Washington, D.C. Reagan-National

Fri 9/11

6:59 am-12:10 pm

1 stop5h 11m

$251

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Thu 7/23

8:20 am-12:00 pm

1 stop3h 40m

Washington, D.C. Reagan-National

Sun 7/26

6:00 am-11:51 am

1 stop5h 51m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/12

Showing 1-10 of 60 resultsSorted by cheapest first
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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, 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 May is currently the most expensive (average of $197). 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 July 13, 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 at noon tend to be the most expensive. A flight in the evening could potentially save you up to 24% 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 July 13, 2026.

The most flights from CAON to DCA are scheduled on a Monday (12 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (10 on average).

How much does it cost to fly round-trip from Region of 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.

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 50m. Fly via Air Canada or American 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 Air Canada. According to our data, you can fly for as low as $121. Users have also found prices from $133 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 Toronto Island - 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 $285, our data indicates the cheapest price to be $138. The most popular route (Toronto Pearson Intl - Washington, D.C. Reagan-National), is priced around $218.

  • 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 May is currently the most expensive (average of $197). 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
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Manassas
Falls Church
Fredericksburg
Hanover
Laurel
Silver Spring
Clinton
Hunt Valley
Cordova
Woodbridge

Browse thousands of different options on Cheapflights for your next trip

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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 July 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$133Average$379FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$185Average$350FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$218Average$317FlexibilityNo cancel feeOn-time71%
Porter AirlinesCheapest$255Average$316FlexibilityNo cancel feeOn-time52%

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