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Cheap flights from Ontario to Washington, D.C. from C$ 176

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 26/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — WAS
26 Jan — 2 Feb1
1 adult

Cheap flight deals from Ontario to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (CAON) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 January 2025.

Round-trip from

C$ 284

One-way from

C$ 176

Good round-trip deal

C$ 297 or less

Good one-way deal

C$ 179 or less
Air Canada
  • Air Canada
  • 14/2-22/2
  • 1 total stop
  • 5h 45m total
  • Ontario to Washington, D.C.
Air Canada
  • Air Canada
  • 26/3
  • Nonstop
  • 1h 50m total
  • Ontario to Washington, D.C.
Price to beat on a round-trip flight from Ontario to Washington, D.C. (WAS).
Price to beat on a one-way flight from Ontario to Washington, D.C. (WAS).

Find flight deals from Ontario to Washington, D.C.

Cheapest flights from Ontario to Washington, D.C.
Explore the most affordable flight options available from Ontario to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 January 2025.

Sat 15/26:15 a.m.YYZ - IAD
Nonstop1h 50mAir Canada
Sun 23/28:24 a.m.IAD - YYZ
1 stop5h 17mAir Canada
Deal found 21/1C$ 284
Sat 15/28:10 a.m.YYZ - DCA
1 stop4h 10mAir Canada
Sun 16/24:10 p.m.DCA - YYZ
1 stop5h 40mAir Canada
Deal found 21/1C$ 291
Thu 13/210:25 a.m.YTZ - IAD
1 stop4h 48mAir Canada
Sun 16/23:55 p.m.IAD - YTZ
1 stop5h 55mAir Canada
Deal found 20/1C$ 291
Thu 13/211:20 a.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Mon 17/22:10 p.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 20/1C$ 294
Thu 13/211:20 a.m.YTZ - IAD
Nonstop1h 29mMultiple Airlines
Sun 16/23:55 p.m.IAD - YTZ
1 stop5h 55mMultiple Airlines
Deal found 21/1C$ 301
Thu 27/27:55 a.m.YYZ - DCA
1 stop8h 00mDelta
Mon 3/36:09 a.m.DCA - YYZ
1 stop5h 06mDelta
Deal found 21/1C$ 307
Thu 27/27:45 a.m.YYZ - IAD
1 stop4h 03mDelta
Tue 4/312:29 p.m.IAD - YYZ
1 stop3h 40mDelta
Deal found 21/1C$ 315
Sun 9/38:55 p.m.YTZ - IAD
Nonstop1h 29mAir Transat
Sat 15/37:00 a.m.IAD - YTZ
Nonstop1h 30mAir Transat
Deal found 21/1C$ 320
Fri 7/29:00 p.m.YYZ - DCA
Nonstop1h 37mMultiple Airlines
Mon 10/26:59 a.m.DCA - YYZ
Nonstop1h 35mMultiple Airlines
Deal found 20/1C$ 325
Fri 7/212:15 p.m.YYZ - IAD
Nonstop1h 36mMultiple Airlines
Mon 10/212:38 p.m.IAD - YYZ
Nonstop1h 40mMultiple Airlines
Deal found 20/1C$ 325
Wed 5/37:55 a.m.YYZ - BWI
2 stops9h 41mDelta
Thu 6/36:49 p.m.BWI - YYZ
1 stop5h 03mDelta
Deal found 21/1C$ 340
Tue 18/310:00 a.m.YYZ - IAD
Nonstop1h 39mUnited Airlines
Wed 26/310:35 a.m.IAD - YYZ
Nonstop1h 31mUnited Airlines
Deal found 21/1C$ 341

Find flights from Ontario to Washington, D.C. within your budget

Customize your flight search to find flights from Ontario to Washington, D.C. 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 21 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Sat 15/2

8:10 a.m.-12:20 p.m.

1 stop4h 10m

Washington, D.C. Reagan-National

Sun 16/2

4:10 p.m.-9:50 p.m.

1 stop5h 40m

C$ 291

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 13/2

10:25 a.m.-3:13 p.m.

1 stop4h 48m

Washington, D.C. Dulles Intl

Sun 16/2

3:55 p.m.-9:50 p.m.

1 stop5h 55m

C$ 291

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Wed 5/3

12:15 p.m.-1:51 p.m.

Nonstop1h 36m

Washington, D.C. Dulles Intl

Thu 6/3

12:37 p.m.-2:18 p.m.

Nonstop1h 41m

C$ 291

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 13/2

11:20 a.m.-12:49 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 17/2

2:10 p.m.-3:40 p.m.

Nonstop1h 30m

C$ 294

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 13/2

11:20 a.m.-12:49 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 16/2

3:55 p.m.-9:50 p.m.

1 stop5h 55m

C$ 301

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 27/2

7:55 a.m.-3:55 p.m.

1 stop8h 00m

Washington, D.C. Reagan-National

Mon 3/3

6:09 a.m.-11:15 a.m.

1 stop5h 06m

C$ 307

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sun 9/3

8:55 p.m.-10:24 p.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sat 15/3

7:00 a.m.-8:30 a.m.

Nonstop1h 30m

C$ 320

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 18/2

6:00 a.m.-11:48 a.m.

1 stop5h 48m

Washington, D.C. Dulles Intl

Fri 21/2

6:00 a.m.-11:56 a.m.

1 stop5h 56m

C$ 322

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Fri 7/2

9:00 p.m.-10:37 p.m.

Nonstop1h 37m

Washington, D.C. Reagan-National

Mon 10/2

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

Nonstop1h 35m

C$ 325

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Thu 20/2

10:55 a.m.-12:35 p.m.

Nonstop1h 40m

Washington, D.C. Reagan-National

Tue 25/2

10:04 a.m.-11:50 a.m.

Nonstop1h 46m

C$ 328

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/1

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

Travel insights for flights from Ontario to Washington, D.C.

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

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

Currently, February is the cheapest month in which you can book a flight from Region of Ontario to Washington, D.C. (average of C$ 327). Flying from Region of Ontario to Washington, D.C. in March is currently the most expensive (average of C$ 421). 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 WAS?

Find hourly flight availability from Ontario to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 January 2025.

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

Weekly flight availability from Region of Ontario to Washington, D.C.

Explore weekly flight availability from Ontario to Washington, D.C.. 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 21 January 2025.

The most flights from CAON to WAS are scheduled on a Monday (25 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (15 on average).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated 21 January 2025.
Read through reviews of airlines operating flights from Ontario to Washington, D.C., such as United Airlines, Delta and WestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good
8,521 reviews
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.9
Good
277 reviews
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.8
Good
381 reviews
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.4
Good
8,984 reviews
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.2
Good
10,000 reviews
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at C$ 176. Porter Airlines flights start at C$ 187 while deals on Delta start at C$ 194 one-way.

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

  • Can I find deals for flights from Ontario to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Ontario to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Washington, D.C.?

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

  • Can I find deals for business class flights from Ontario to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Ontario to Washington, D.C. 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.?

    Currently, February is the cheapest month in which you can book a flight from Region of Ontario to Washington, D.C. (average of C$ 327). Flying from Region of Ontario to Washington, D.C. in March is currently the most expensive (average of C$ 421). 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 Ontario?

Book flights to Ontario if you plan to visit one of these locations
Herndon
Arlington
Hanover
Fairfax
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Falls Church
Manassas
Fredericksburg
Alexandria
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Top 8 airlines flying from Ontario to Washington, D.C.

Discover the top 8 airlines that operate flights from Ontario to Washington, D.C.. 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 21 January 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 215AverageC$ 632FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 262AverageC$ 374FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
American AirlinesCheapestC$ 284AverageC$ 503FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 286AverageC$ 598FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 331AverageC$ 411FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air TransatCheapestC$ 337AverageC$ 419FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJetCheapestC$ 414AverageC$ 585FlexibilityNo cancel feeOn-time60%
Search WestJet flights
WestJet EncoreCheapestC$ 458AverageC$ 607FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ontario to Washington, D.C.?

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Why should you use Cheapflights to find cheap flight tickets from Ontario to Washington, D.C.?

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Can Cheapflights find flights from Ontario to Washington, D.C. with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Washington, D.C. flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ontario to Washington, D.C. become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Washington, D.C. from Ontario today and book when prices fit your budget.

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