Cheap flights from Ontario to Washington, D.C. Reagan-National Airport from C$ 168

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 14/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — DCA
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Reagan-National

Enter your travel dates to find the best prices.

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 29 January 2026.

Thu 19/28:15 a.m.
YYZ
-
DCA
1 stop4h 04m
Air Canada
Sun 22/26:00 a.m.
DCA
-
YYZ
1 stop5h 40m
Air Canada
Deal found 28/1C$ 273
Sat 14/38:30 a.m.
YTZ
-
DCA
1 stop7h 01m
Air Canada
Sat 21/36:00 a.m.
DCA
-
YTZ
1 stop5h 55m
Air Canada
Deal found 28/1C$ 273
Thu 19/28:30 a.m.
YTZ
-
DCA
1 stop7h 01m
Air Canada
Mon 23/212:55 p.m.
DCA
-
YTZ
1 stop5h 18m
Air Canada
Deal found 27/1C$ 274
Thu 19/29:30 a.m.
YTZ
-
DCA
1 stop6h 01m
Air Canada
Sun 22/212:55 p.m.
DCA
-
YTZ
1 stop5h 18m
Air Canada
Deal found 28/1C$ 277
Fri 27/29:00 p.m.
YYZ
-
DCA
Nonstop1h 35m
Air Canada
Mon 9/38:40 p.m.
DCA
-
YYZ
Nonstop1h 37m
Air Canada
Deal found 26/1C$ 280
Thu 19/34:30 p.m.
YYZ
-
DCA
Nonstop1h 35m
Air Canada
Mon 23/38:40 p.m.
DCA
-
YYZ
Nonstop1h 37m
Air Canada
Deal found 27/1C$ 288
Fri 13/38:15 a.m.
YYZ
-
DCA
1 stop4h 04m
Air Canada
Fri 20/36:00 a.m.
DCA
-
YYZ
1 stop6h 40m
Air Canada
Deal found 27/1C$ 291
Wed 18/29:00 p.m.
YYZ
-
DCA
Nonstop1h 35m
Air Canada
Wed 25/28:40 p.m.
DCA
-
YYZ
Nonstop1h 35m
Air Canada
Deal found 27/1C$ 292
Thu 19/27:20 a.m.
YYZ
-
DCA
Nonstop1h 35m
Air Canada
Thu 26/29:40 a.m.
DCA
-
YYZ
Nonstop1h 37m
Air Canada
Deal found 27/1C$ 293
Fri 10/47:50 a.m.
YTZ
-
DCA
1 stop4h 11m
Air Canada
Sun 12/412:55 p.m.
DCA
-
YTZ
1 stop5h 22m
Air Canada
Deal found 27/1C$ 295
Tue 17/28:15 a.m.
YYZ
-
DCA
1 stop4h 04m
Air Canada
Wed 18/26:59 a.m.
DCA
-
YYZ
Nonstop1h 36m
Air Canada
Deal found 28/1C$ 299
Fri 10/47:10 a.m.
YYZ
-
DCA
1 stop4h 51m
Air Canada
Sun 12/46:59 a.m.
DCA
-
YYZ
Nonstop1h 34m
Air Canada
Deal found 27/1C$ 300

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 29 January 2026.

Round-trip from

C$ 273

One-way from

C$ 168

Popular in

June

Cheapest in

October

Average price

C$ 376

Good round-trip deal

C$ 334 or less

Good one-way deal

C$ 295 or less
Air Canada
  • Air Canada
  • 19/2-22/2
  • 2 total stops
  • 9h 44m total
  • Ontario to Washington, D.C.
Air Canada
  • Air Canada
  • 14/3
  • Nonstop
  • 1h 35m total
  • Ontario to Washington, D.C.
Highest demand for flights based on searches. 8% potential increase in price (C$ 40 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 11 potential savings vs. average RT price).
Average for round-trip flights in January 2026
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 629,999 searches. Data last updated 29 January 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.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 19/2

8:15 a.m.-12:19 p.m.

1 stop4h 04m

Washington, D.C. Reagan-National

Sun 22/2

6:00 a.m.-11:40 a.m.

1 stop5h 40m

C$ 273

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Sat 14/3

8:30 a.m.-3:31 p.m.

1 stop7h 01m

Washington, D.C. Reagan-National

Sat 21/3

6:00 a.m.-11:55 a.m.

1 stop5h 55m

C$ 273

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Thu 19/2

9:30 a.m.-3:31 p.m.

1 stop6h 01m

Washington, D.C. Reagan-National

Sun 22/2

12:55 p.m.-6:13 p.m.

1 stop5h 18m

C$ 277

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Fri 15/5

5:30 p.m.-9:55 p.m.

1 stop4h 25m

Washington, D.C. Reagan-National

Mon 18/5

6:00 a.m.-10:38 a.m.

1 stop4h 38m

C$ 288

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Sat 28/2

9:00 p.m.-10:35 p.m.

Nonstop1h 35m

Washington, D.C. Reagan-National

Sat 7/3

8:40 p.m.-10:17 p.m.

Nonstop1h 37m

C$ 292

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Fri 10/4

7:50 a.m.-12:01 p.m.

1 stop4h 11m

Washington, D.C. Reagan-National

Sun 12/4

12:55 p.m.-6:17 p.m.

1 stop5h 22m

C$ 295

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Tue 17/2

8:15 a.m.-12:19 p.m.

1 stop4h 04m

Washington, D.C. Reagan-National

Wed 18/2

6:59 a.m.-8:35 a.m.

Nonstop1h 36m

C$ 299

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Fri 20/2

5:30 p.m.-9:56 p.m.

1 stop4h 26m

Washington, D.C. Reagan-National

Sun 22/2

12:55 p.m.-6:13 p.m.

1 stop5h 18m

C$ 299

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Tue 24/2

10:45 a.m.-3:31 p.m.

1 stop4h 46m

Washington, D.C. Reagan-National

Tue 3/3

12:55 p.m.-6:10 p.m.

1 stop5h 15m

C$ 299

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Wed 4/3

10:45 a.m.-3:31 p.m.

1 stop4h 46m

Washington, D.C. Reagan-National

Fri 6/3

12:55 p.m.-6:10 p.m.

1 stop5h 15m

C$ 299

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/1

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 C$ 118). Flying from Region of Ontario to Washington, D.C. Reagan-National Airport in November is currently the most expensive (average of C$ 274). 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 29 January 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 29 January 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?

    For as low as C$ 273, Air Canada can have you in Washington, D.C. Reagan-National Airport from Region of Ontario in 4h 04m. Region of Ontario and Washington, D.C. Reagan-National Airport are separated by a distance of 578 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    One-way options have recently been found by users for as low as C$ 175 on Air Canada. Other airlines that offer cheap prices include American Airlines from C$ 208 and United Airlines from C$ 209 one-way.

  • 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?

    No one likes to see their flight delayed. When booking a flight from Region of Ontario to Washington, D.C. Reagan-National Airport consider choosing American Airlines (49%), Porter Airlines (49%) or PSA Airlines (49%) as they are the most reliable in getting you off to your destination on time.

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

    Looking at all options, your cheapest flight can be booked for C$ 187. While the most popular route (Toronto Pearson Intl - Washington, D.C. Reagan-National) can be booked for C$ 291 on average, our data indicates C$ 459 when flying from Region of Ontario to Washington, D.C. Reagan-National Airport.

  • 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 C$ 118). Flying from Region of Ontario to Washington, D.C. Reagan-National Airport in November is currently the most expensive (average of C$ 274). 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

Travelling 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
Silver Spring
Hanover
Fairfax
Reston
Ellicott City
Oxon Hill
Gaithersburg
Arlington
Herndon
Manassas
Fredericksburg
Alexandria
Rockville

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.

Top 5 airlines flying from Ontario to Reagan-National

Discover the top 5 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 629,999 searches. Data last updated 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 182AverageC$ 272FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
American AirlinesCheapestC$ 196AverageC$ 321FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 198AverageC$ 415FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 218AverageC$ 430FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 377AverageC$ 852FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Reagan-National?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Reagan-National. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Reagan-National?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Reagan-National from Ontario.

Can Cheapflights find flights from Ontario to Reagan-National with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Reagan-National, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ontario to Reagan-National become cheaper?

Yes! Start tracking prices for Ontario to Reagan-National flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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.