Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Washington, D.C. Reagan-National Airport to Ontario from C$ 138

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 19/3. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — YYZ
25 Feb — 4 Mar1
1 adult

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 20 February 2025.

Round-trip from

C$ 310

One-way from

C$ 138

Popular in

August

Cheapest in

April

Average price

C$ 452

Good round-trip deal

C$ 186 or less

Good one-way deal

C$ 163 or less
Air Canada
  • Air Canada
  • 8/4-8/4
  • 1 total stop
  • 8h 12m total
  • Washington, D.C. to Ontario
Search Deals
Air Canada
  • Air Canada
  • 19/3
  • 1 total stop
  • 5h 40m total
  • Washington, D.C. to Ontario
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Ontario.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Reagan-National to Ontario.
Search Deals

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 20 February 2025.

Tue 8/46:00 a.m.DCA - YYZ
1 stop6h 39mAir Canada
Tue 8/44:30 p.m.YYZ - DCA
Nonstop1h 33mAir Canada
Deal found 20/2C$ 310
Wed 19/36:59 a.m.DCA - YYZ
Nonstop1h 35mMultiple Airlines
Wed 19/311:00 a.m.YYZ - DCA
1 stop4h 29mMultiple Airlines
Deal found 19/2C$ 328
Tue 8/46:00 a.m.DCA - YTZ
1 stop5h 47mAir Canada
Tue 8/43:25 p.m.YTZ - DCA
1 stop5h 43mAir Canada
Deal found 20/2C$ 337
Tue 29/42:55 p.m.DCA - YYZ
Nonstop1h 40mAmerican Airlines
Sat 3/511:00 a.m.YYZ - DCA
Nonstop1h 40mAmerican Airlines
Deal found 20/2C$ 357
Mon 7/46:30 a.m.DCA - YYZ
1 stop4h 54mDelta
Mon 14/46:00 a.m.YYZ - DCA
1 stop4h 18mDelta
Deal found 20/2C$ 366
Sat 26/49:40 a.m.DCA - YYZ
Nonstop1h 33mUnited Airlines
Mon 28/48:55 p.m.YYZ - DCA
Nonstop1h 33mUnited Airlines
Deal found 20/2C$ 382
Wed 30/411:00 a.m.DCA - YUL
Nonstop1h 48mAir Canada
Sat 3/58:15 a.m.YUL - DCA
1 stop3h 46mAir Canada
Deal found 20/2C$ 399
Fri 28/28:55 a.m.DCA - YYZ
1 stop14h 44mWestJet
Fri 7/36:15 a.m.YYZ - DCA
1 stop6h 42mWestJet
Deal found 19/2C$ 409
Tue 8/410:10 p.m.DCA - YUL
1 stop11h 40mAmerican Airlines
Wed 9/412:55 p.m.YUL - DCA
1 stop7h 04mAmerican Airlines
Deal found 20/2C$ 409
Sun 8/69:40 a.m.DCA - YUL
Nonstop1h 48mUnited Airlines
Fri 13/68:00 p.m.YUL - DCA
Nonstop1h 53mUnited Airlines
Deal found 20/2C$ 445
Sun 6/412:55 p.m.DCA - YOW
Nonstop1h 32mAir Canada
Sun 13/410:25 a.m.YOW - DCA
Nonstop1h 36mAir Canada
Deal found 20/2C$ 457
Thu 13/36:00 a.m.DCA - YUL
1 stop4h 27mDelta
Mon 17/36:00 p.m.YUL - DCA
1 stop5h 40mDelta
Deal found 20/2C$ 472

Find flights from Reagan-National to Ontario within your budget

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 629,999 searches. Data last updated 20 February 2025.

Fly from

Reagan-National

Fly to

Ontario

Route

Depart

Return

Price

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Tue 8/4

6:00 a.m.-12:39 p.m.

1 stop6h 39m

Toronto Pearson Intl

Tue 8/4

4:30 p.m.-6:03 p.m.

Nonstop1h 33m

C$ 310

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Wed 19/3

6:59 a.m.-8:34 a.m.

Nonstop1h 35m

Toronto Pearson Intl

Wed 19/3

11:00 a.m.-3:29 p.m.

1 stop4h 29m

C$ 328

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Tue 8/4

6:00 a.m.-11:47 a.m.

1 stop5h 47m

Toronto Island

Tue 8/4

3:25 p.m.-9:08 p.m.

1 stop5h 43m

C$ 337

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Tue 29/4

2:55 p.m.-4:35 p.m.

Nonstop1h 40m

Toronto Pearson Intl

Sat 3/5

11:00 a.m.-12:40 p.m.

Nonstop1h 40m

C$ 357

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Mon 7/4

6:30 a.m.-11:24 a.m.

1 stop4h 54m

Toronto Pearson Intl

Mon 14/4

6:00 a.m.-10:18 a.m.

1 stop4h 18m

C$ 366

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Sat 26/4

6:50 p.m.-8:23 p.m.

Nonstop1h 33m

Toronto Pearson Intl

Sun 27/4

6:20 p.m.-7:53 p.m.

Nonstop1h 33m

C$ 382

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Tue 6/5

6:00 a.m.-7:48 a.m.

Nonstop1h 48m

Montreal Pierre Elliott Trudeau Intl

Wed 14/5

8:15 a.m.-12:01 p.m.

1 stop3h 46m

C$ 392

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Tue 8/4

10:10 p.m.-9:50 a.m.

1 stop11h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 9/4

12:55 p.m.-7:59 p.m.

1 stop7h 04m

C$ 409

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Wed 19/3

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

1 stop5h 55m

Toronto Pearson Intl

Wed 19/3

2:34 p.m.-9:00 p.m.

1 stop6h 26m

C$ 440

Washington, D.C.Montreal

DCA - YUL

DCAYUL

Washington, D.C. Reagan-National

Fri 2/5

4:35 p.m.-6:25 p.m.

Nonstop1h 50m

Montreal Pierre Elliott Trudeau Intl

Sun 4/5

8:30 a.m.-10:19 a.m.

Nonstop1h 49m

C$ 445

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/2

Showing 1-10 of 41 results
1
2
3
...
5

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.

Travel insights for flights from Reagan-National to Ontario

Get recent, data-driven insights about flights from Reagan-National to Ontario including ideal travel times, pricing trends, and more.

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 C$ 167). Flying from Washington, D.C. Reagan-National Airport to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 20 February 2025.

When flying from Washington, D.C. Reagan-National Airport to Region of Ontario, 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 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 20 February 2025.

The most flights from DCA to CAON are scheduled on a Thursday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 20 February 2025.
Peruse reviews from past customers who have flown with Delta, KLM and United Airlines from Washington, D.C. to Ontario to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,220 reviews
Check prices

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews
Check prices

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,220 reviews
Check prices

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews
Check prices

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,220 reviews
Check prices

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

WestJet
7.2
Good
2,801 reviews
Delta
8.0
Very good
8,220 reviews
Check prices

Comfort

8.0

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as C$ 138. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Washington, D.C. Reagan-National Airport to Region of Ontario for a low price.

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

    When deciding which route to take from Washington, D.C. Reagan-National Airport to Region of Ontario consider Washington, D.C. Reagan-National - Toronto Pearson Intl, Washington, D.C. Reagan-National - Montreal Pierre Elliott Trudeau Intl or Washington, D.C. Reagan-National - Ottawa as they are the most popular.

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

    Before booking your flight to Region of Ontario from Washington, D.C. Reagan-National Airport, check out the most reliable airlines to get you to your destination on time: American Airlines (68%), PSA Airlines (68%), Air Canada( 59%).

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

    While on average a flight from Washington, D.C. Reagan-National Airport to Region of Ontario is generally C$ 381, our data shows the cheapest flight currently is C$ 136. When looking at the most popular route, (Washington, D.C. Reagan-National - Toronto Pearson Intl), you can expect to pay C$ 317 for that flight.

  • 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 C$ 167). Flying from Washington, D.C. Reagan-National Airport to Region of Ontario in July is currently the most expensive (average of C$ 258). 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

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 Reagan-National to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Pierre Elliott Trudeau Intl flights
Dulles Intl to Vancouver Intl flights
Dulles Intl to Pearson Intl flights
Dulles Intl to Calgary flights
Reagan-National to Pearson Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Baltimore to Vancouver Intl flights
Reagan-National to Vancouver Intl flights
Dulles Intl to Toronto Island flights
Baltimore to Pearson Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
Reagan-National to Calgary flights
Baltimore to Calgary flights
Dulles Intl to Ottawa flights
Baltimore to Toronto Island flights
Reagan-National to Ottawa flights
Dulles Intl to Québec City flights
Dulles Intl to Halifax flights
Dulles Intl to Abbotsford flights
Dulles Intl to Edmonton flights
Baltimore to Québec City flights
Baltimore to Ottawa flights
Baltimore to Halifax flights
Baltimore to Edmonton flights
Reagan-National to Edmonton flights
Reagan-National to Toronto Island flights
Reagan-National to Québec City flights
Baltimore to Winnipeg flights
Dulles Intl to Winnipeg flights
Dulles Intl to Victoria flights
Dulles Intl to Charlottetown flights
Baltimore to Victoria flights
Reagan-National to Winnipeg flights
Dulles Intl to Kelowna flights
Baltimore to Saskatoon flights
Baltimore to Charlottetown flights
Dulles Intl to London flights

Top 2 airlines flying from Reagan-National to Ontario

Discover the top 2 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 629,999 searches. Data last updated 20 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 174AverageC$ 507FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 175AverageC$ 443FlexibilityNo cancel feeOn-time71%
Search American Airlines 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 Reagan-National to Ontario?

Cheapflights helps you search for flights from Reagan-National to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

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 Ontario from Reagan-National.

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

Yes! Cheapflights helps users easily find flights from Reagan-National to Ontario with no change fees.

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

Not ready to book yet? You can track prices for flights from Reagan-National to Ontario on Cheapflights with our Price Alert feature and get notified when better prices are available.

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.