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$97+ Cheap flights from Reagan-National (DCA) to Ontario

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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — YYZ
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Reagan-National to Ontario

Keep the following information in mind while searching for Reagan-National to Ontario flight deals. Data was last updated September 11, 2025.

Round-trip from

$211
(Mytrip)

One-way from

$97
(Gotogate)

Popular in

August

Cheapest in

June

Average price

$278

Good round-trip deal

$356 or less

Good one-way deal

$152 or less
From Washington, D.C. Reagan-National to Ontario
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One-way flight from Washington, D.C. Reagan-National to Ontario
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Highest demand for flights based on searches. 4% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Ontario.
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Price to beat on a one-way flight from Washington, D.C. Reagan-National to Ontario.
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Find flight deals from Reagan-National to Ontario

Cheapest flights from Reagan-National to Ontario
Explore the most affordable flight options available from Reagan-National to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Mytrip deal was found by Cheapflights users on 9/11. 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.
Sun 10/266:00 amDCA - YYZ
1 stop5h 40mAir Canada
Sun 11/28:15 amYYZ - DCA
1 stop4h 04mAir Canada
Deal found 9/11$211
This Mytrip deal was found by Cheapflights users on 9/11. 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 10/116:00 amDCA - YTZ
1 stop5h 45mAir Canada
Wed 10/1510:25 amYTZ - DCA
1 stop5h 26mAir Canada
Deal found 9/11$213
This Mytrip deal was found by Cheapflights users on 9/11. 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 10/116:59 amDCA - YYZ
Nonstop1h 32mAir Canada
Wed 10/153:00 pmYYZ - DCA
1 stop6h 51mAir Canada
Deal found 9/11$217
This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:00 amDCA - YYZ
1 stop5h 39mAir Canada
Sun 10/197:25 amYYZ - DCA
Nonstop1h 34mAir Canada
Deal found 9/11$218
This Gotogate deal was found by Cheapflights users on 9/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/249:40 amDCA - YTZ
1 stop5h 05mAir Canada
Thu 9/2510:25 amYTZ - DCA
1 stop5h 26mAir Canada
Deal found 9/9$219
This Flybillet deal was found by Cheapflights users on 9/10. 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 Flybillet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:00 amDCA - YYZ
1 stop5h 39mAir Canada
Sun 10/57:25 amYYZ - DCA
Nonstop1h 34mAir Canada
Deal found 9/10$221
This Air Canada deal was found by Cheapflights users on 9/9. 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.
Wed 10/19:40 amDCA - YTZ
1 stop5h 05mAir Canada
Sat 10/410:25 amYTZ - DCA
1 stop5h 26mAir Canada
Deal found 9/9$221
This Trip.com deal was found by Cheapflights users on 9/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/254:35 pmDCA - YTZ
1 stop4h 59mAir Canada
Sat 11/110:30 amYTZ - DCA
1 stop5h 25mAir Canada
Deal found 9/10$222
This Air Canada deal was found by Cheapflights users on 9/9. 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.
Sun 9/286:59 amDCA - YYZ
Nonstop1h 32mAir Canada
Wed 10/16:10 pmYYZ - DCA
Nonstop1h 34mAir Canada
Deal found 9/9$226
This Booking.com deal was found by Cheapflights users on 9/11. 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.
Wed 10/18:40 pmDCA - YYZ
Nonstop1h 32mAir Canada
Thu 10/168:55 pmYYZ - DCA
Nonstop1h 39mAir Canada
Deal found 9/11$230
This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:00 amDCA - YTZ
1 stop5h 45mAir Canada
Thu 10/1610:25 amYTZ - DCA
1 stop5h 26mAir Canada
Deal found 9/11$238
This Air Canada deal was found by Cheapflights users on 9/9. 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.
Fri 10/1712:55 pmDCA - YTZ
1 stop5h 51mAir Canada
Wed 10/2210:25 amYTZ - DCA
1 stop5h 26mAir Canada
Deal found 9/9$240

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Ontario 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 September 11, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Ontario that are best for you.

Fly from

Reagan-National

Fly to

Ontario

Route

Depart

Return

Price

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Sat 10/25

4:35 pm-9:34 pm

1 stop4h 59m

Toronto Island

Sat 11/1

10:30 am-3:55 pm

1 stop5h 25m

$222

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Wed 10/1

6:00 am-11:45 am

1 stop5h 45m

Toronto Island

Thu 10/16

10:25 am-3:51 pm

1 stop5h 26m

$238

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Fri 10/17

12:55 pm-6:46 pm

1 stop5h 51m

Toronto Island

Wed 10/22

10:25 am-3:51 pm

1 stop5h 26m

$240

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Thu 10/16

12:55 pm-6:46 pm

1 stop5h 51m

Toronto Island

Tue 10/21

10:25 am-3:51 pm

1 stop5h 26m

$240

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Fri 11/7

6:00 am-11:55 am

1 stop5h 55m

Toronto Island

Mon 11/10

5:30 pm-9:56 pm

1 stop4h 26m

$240

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Sun 10/12

9:40 am-4:45 pm

1 stop7h 05m

Toronto Island

Wed 10/15

10:25 am-3:51 pm

1 stop5h 26m

$240

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Thu 10/23

12:55 pm-6:46 pm

1 stop5h 51m

Toronto Island

Thu 10/30

10:30 am-3:56 pm

1 stop5h 26m

$240

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Sat 10/18

4:35 pm-9:34 pm

1 stop4h 59m

Toronto Island

Tue 10/21

10:25 am-3:51 pm

1 stop5h 26m

$240

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Wed 10/8

12:55 pm-6:46 pm

1 stop5h 51m

Toronto Island

Wed 10/15

10:25 am-3:51 pm

1 stop5h 26m

$240

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Tue 10/21

4:35 pm-9:34 pm

1 stop4h 59m

Toronto Island

Fri 10/31

5:30 pm-9:56 pm

1 stop4h 26m

$240

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 60 results
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Best time to book a flight from Reagan-National to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Reagan-National 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 Washington, D.C. Reagan-National Airport to Ontario

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Region of Ontario (average of $243). Flying from Washington, D.C. Reagan-National Airport to Region of Ontario in August is currently the most expensive (average of $348). 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 DCA to ON?

Find hourly flight availability from Reagan-National to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Region of Ontario as you normally would.

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

Explore weekly flight availability from Reagan-National to Ontario. 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 September 11, 2025.

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

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated September 11, 2025.
Peruse reviews from past customers who have flown with Porter Airlines, United Airlines, and American Airlines from Washington, D.C. Reagan-National Airport to Ontario to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
363 reviews

Entertainment

7.0

Food

7.6

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews

Entertainment

7.0

Food

7.6

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,937 reviews
Porter Airlines
7.9
Good
363 reviews

Entertainment

7.0

Food

7.6

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews

Entertainment

7.0

Food

7.6

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews

Entertainment

7.0

Food

7.6

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Ontario. 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 Washington, D.C. Reagan-National Airport to Region of Ontario?

    A quick flight from Washington, D.C. Reagan-National Airport to Region of Ontario can take about 3h 22m. Air Canada provides one of the quickest options available for as low as $261. Washington, D.C. Reagan-National Airport and Region of Ontario are separated by a distance of 359 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The most popular flight routes from Washington, D.C. Reagan-National Airport to Region of Ontario are Washington, D.C. Reagan-National - Toronto Pearson Intl, Washington, D.C. Reagan-National - Montreal Pierre Elliott Trudeau Intl and Washington, D.C. Reagan-National - Ottawa.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Reagan-National Airport to Region of Ontario on time: American Airlines (78%), PSA Airlines (78%), Air Canada (68%).

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

    Looking for the cheapest flight from Washington, D.C. Reagan-National Airport to Region of Ontario? While on average our users pay $1,047, our data indicates the cheapest price to be $106. The most popular route (Washington, D.C. Reagan-National - Toronto Pearson Intl), is priced around $223.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Reagan-National to Ontario 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 Washington, D.C. Reagan-National Airport to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Region of Ontario (average of $243). Flying from Washington, D.C. Reagan-National Airport to Region of Ontario in August is currently the most expensive (average of $348). 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.

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Alternative routes for Reagan-National to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Pearson Intl flights
Reagan-National to Pearson Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Dulles Intl to Toronto Island flights
Dulles Intl to Vancouver Intl flights
Baltimore to Pearson Intl flights
Baltimore to Vancouver Intl flights
Reagan-National to Vancouver Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
Dulles Intl to Calgary flights
Reagan-National to Calgary flights
Dulles Intl to Ottawa flights
Reagan-National to Ottawa flights
Dulles Intl to Québec City flights
Baltimore to Calgary flights
Reagan-National to Toronto Island flights
Baltimore to Toronto Island flights
Reagan-National to Québec City flights
Dulles Intl to Abbotsford flights
Reagan-National to Halifax flights
Dulles Intl to Halifax flights
Baltimore to Abbotsford flights
Baltimore to Québec City flights
Baltimore to Ottawa flights
Baltimore to Halifax flights
Dulles Intl to Hamilton flights
Reagan-National to Abbotsford flights
Dulles Intl to St. John's flights
Reagan-National to St. John's flights
Dulles Intl to Winnipeg flights
Dulles Intl to Edmonton flights
Baltimore to Edmonton flights
Dulles Intl to Saskatoon flights
Baltimore to Winnipeg flights
Dulles Intl to Charlottetown flights
Reagan-National to Edmonton flights
Reagan-National to Winnipeg flights
Dulles Intl to Victoria flights
Baltimore to St. John's flights
Reagan-National to Charlottetown flights
Baltimore to Saskatoon flights
Baltimore to Charlottetown flights
Reagan-National to Victoria flights
Dulles Intl to Sault Ste Marie flights
Baltimore to Yellowknife flights
Baltimore to Victoria flights
Reagan-National to Deer Lake flights
Reagan-National to Saskatoon flights
Dulles Intl to Sydney flights

Top 4 airlines flying from Reagan-National to Ontario

Discover the top 4 airlines that operate flights from Reagan-National to Ontario. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$103Average$353FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$127Average$432FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$145Average$382FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$233Average$380FlexibilityNo cancel feeOn-time71%

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