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

$124+ 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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — DCA
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This Trip.com deal was found by Cheapflights users on 1/28. 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.
Thu 2/198:15 am
YYZ
-
DCA
1 stop4h 04m
Air Canada
Sun 2/226:00 am
DCA
-
YYZ
1 stop5h 40m
Air Canada
Deal found 1/28$201
This SmartFares deal was found by Cheapflights users on 1/28. 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.
Sat 3/148:30 am
YTZ
-
DCA
1 stop7h 01m
Air Canada
Sat 3/216:00 am
DCA
-
YTZ
1 stop5h 55m
Air Canada
Deal found 1/28$201
This Trip.com deal was found by Cheapflights users on 1/27. 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.
Thu 2/198:30 am
YTZ
-
DCA
1 stop7h 01m
Air Canada
Mon 2/2312:55 pm
DCA
-
YTZ
1 stop5h 18m
Air Canada
Deal found 1/27$202
This Trip.com deal was found by Cheapflights users on 1/28. 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.
Thu 2/199:30 am
YTZ
-
DCA
1 stop6h 01m
Air Canada
Sun 2/2212:55 pm
DCA
-
YTZ
1 stop5h 18m
Air Canada
Deal found 1/28$204
This Trip.com deal was found by Cheapflights users on 1/26. 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 2/279:00 pm
YYZ
-
DCA
Nonstop1h 35m
Air Canada
Mon 3/98:40 pm
DCA
-
YYZ
Nonstop1h 37m
Air Canada
Deal found 1/26$206
This Air Canada deal was found by Cheapflights users on 1/27. 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 3/194:30 pm
YYZ
-
DCA
Nonstop1h 35m
Air Canada
Mon 3/238:40 pm
DCA
-
YYZ
Nonstop1h 37m
Air Canada
Deal found 1/27$212
This Trip.com deal was found by Cheapflights users on 1/27. 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 3/138:15 am
YYZ
-
DCA
1 stop4h 04m
Air Canada
Fri 3/206:00 am
DCA
-
YYZ
1 stop6h 40m
Air Canada
Deal found 1/27$214
This Air Canada deal was found by Cheapflights users on 1/27. 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 2/189:00 pm
YYZ
-
DCA
Nonstop1h 35m
Air Canada
Wed 2/258:40 pm
DCA
-
YYZ
Nonstop1h 35m
Air Canada
Deal found 1/27$215
This Air Canada deal was found by Cheapflights users on 1/27. 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 2/197:20 am
YYZ
-
DCA
Nonstop1h 35m
Air Canada
Thu 2/269:40 am
DCA
-
YYZ
Nonstop1h 37m
Air Canada
Deal found 1/27$216
This Air Canada deal was found by Cheapflights users on 1/27. 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 4/107:50 am
YTZ
-
DCA
1 stop4h 11m
Air Canada
Sun 4/1212:55 pm
DCA
-
YTZ
1 stop5h 22m
Air Canada
Deal found 1/27$217
This Air Canada deal was found by Cheapflights users on 1/28. 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.
Tue 2/178:15 am
YYZ
-
DCA
1 stop4h 04m
Air Canada
Wed 2/186:59 am
DCA
-
YYZ
Nonstop1h 36m
Air Canada
Deal found 1/28$220
This Air Canada deal was found by Cheapflights users on 1/27. 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 4/107:10 am
YYZ
-
DCA
1 stop4h 51m
Air Canada
Sun 4/126:59 am
DCA
-
YYZ
Nonstop1h 34m
Air Canada
Deal found 1/27$221

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$201
(Trip.com)

One-way from

$124
(Gotogate)

Popular in

June

Cheapest in

October

Average price

$277

Good round-trip deal

$235 or less

Good one-way deal

$157 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. 8% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 29, 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

Ontario

Fly to

Reagan-National

Route

Depart

Return

Price

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Sat 3/14

8:30 am-3:31 pm

1 stop7h 01m

Washington, D.C. Reagan-National

Sat 3/21

6:00 am-11:55 am

1 stop5h 55m

$201

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Thu 2/19

9:30 am-3:31 pm

1 stop6h 01m

Washington, D.C. Reagan-National

Sun 2/22

12:55 pm-6:13 pm

1 stop5h 18m

$205

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 2/19

8:15 am-12:19 pm

1 stop4h 04m

Washington, D.C. Reagan-National

Sun 2/22

8:40 pm-10:15 pm

Nonstop1h 35m

$211

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Sat 2/28

9:00 pm-10:35 pm

Nonstop1h 35m

Washington, D.C. Reagan-National

Sat 3/7

8:40 pm-10:17 pm

Nonstop1h 37m

$215

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Fri 4/10

7:50 am-12:01 pm

1 stop4h 11m

Washington, D.C. Reagan-National

Sun 4/12

12:55 pm-6:17 pm

1 stop5h 22m

$217

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Fri 2/20

5:30 pm-9:56 pm

1 stop4h 26m

Washington, D.C. Reagan-National

Sun 2/22

12:55 pm-6:13 pm

1 stop5h 18m

$220

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Tue 2/24

10:45 am-3:31 pm

1 stop4h 46m

Washington, D.C. Reagan-National

Tue 3/3

12:55 pm-6:10 pm

1 stop5h 15m

$220

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Wed 3/4

10:45 am-3:31 pm

1 stop4h 46m

Washington, D.C. Reagan-National

Fri 3/6

12:55 pm-6:10 pm

1 stop5h 15m

$220

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Sat 2/21

8:30 am-3:31 pm

1 stop7h 01m

Washington, D.C. Reagan-National

Thu 2/26

12:55 pm-6:13 pm

1 stop5h 18m

$221

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Thu 2/19

10:45 am-3:31 pm

1 stop4h 46m

Washington, D.C. Reagan-National

Wed 2/25

12:55 pm-6:13 pm

1 stop5h 18m

$221

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 60 results
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

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 $87). Flying from Region of Ontario to Washington, D.C. Reagan-National Airport in November is currently the most expensive (average of $202). 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 January 29, 2026.

When flying from Region of Ontario to Washington, D.C. Reagan-National Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 January 29, 2026.

The most flights from CAON to DCA are scheduled on a Thursday (12 on average). You will have fewer flight options on Tuesday, 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 6h 07m. Fly via Air Canada or Delta to get the fastest option. Airlines will cover a distance of 486 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 $108 and $131 on Air Canada and American 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 (49%), Porter Airlines (49%) or PSA Airlines (49%) 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 $286, our data indicates the cheapest price to be $121. The most popular route (Toronto Pearson Intl - Washington, D.C. Reagan-National), is priced around $214.

  • 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 $87). Flying from Region of Ontario to Washington, D.C. Reagan-National Airport in November is currently the most expensive (average of $202). 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
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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.

Alternative routes for Ontario to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Reagan-National flights
Pearson Intl to Dulles Intl flights
Toronto Island to Dulles Intl flights
Pierre Elliott Trudeau Intl to Dulles Intl flights
Pearson Intl to Baltimore flights
Pierre Elliott Trudeau Intl to Reagan-National flights
Vancouver Intl to Dulles Intl flights
Vancouver Intl to Reagan-National flights
Vancouver Intl to Baltimore flights
Pierre Elliott Trudeau Intl to Baltimore flights
Toronto Island to Reagan-National flights
Ottawa to Reagan-National flights
Ottawa to Dulles Intl flights
Calgary to Dulles Intl flights
Calgary to Baltimore flights
Toronto Island to Baltimore flights
Halifax to Dulles Intl flights
Winnipeg to Dulles Intl flights
Winnipeg to Reagan-National flights
Calgary to Reagan-National flights
Ottawa to Baltimore flights
Winnipeg to Baltimore flights
Halifax to Reagan-National flights
Edmonton to Baltimore flights
Québec City to Dulles Intl flights
St. John's to Reagan-National flights
Halifax to Baltimore flights
Edmonton to Reagan-National flights
Québec City to Reagan-National flights
Québec City to Baltimore flights
Edmonton to Dulles Intl flights
St. John's to Dulles Intl flights
Moncton to Dulles Intl flights
London to Baltimore flights
London to Reagan-National flights
Victoria to Dulles Intl flights
Kelowna to Dulles Intl flights
St. John's to Baltimore flights
Victoria to Baltimore flights
Fort McMurray to Reagan-National flights
Saskatoon to Baltimore flights
Kelowna to Baltimore flights
Kelowna to Reagan-National flights
London to Dulles Intl flights
Whitehorse to Dulles Intl flights
Saskatoon to Reagan-National flights
Victoria to Reagan-National flights
Regina to Baltimore flights

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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$133Average$245FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$185Average$323FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$213Average$340FlexibilityNo cancel feeOn-time71%

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.