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District of Columbia

$126+ Cheap flights from Ontario to District of Columbia

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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — IAD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Ontario to District of Columbia

Keep the following information in mind while searching for Ontario to District of Columbia flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$188
(SmartFares)

One-way from

$126
(SmartFares)

Popular in

June

Cheapest in

April

Average price

$244

Good round-trip deal

$196 or less

Good one-way deal

$148 or less
Provider with most accurate pricing for Toronto (YTO)-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Toronto (YTO)-Washington, D.C. (WAS) flights.
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From Ontario to District of Columbia
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One-way flight from Ontario to District of Columbia
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Highest demand for flights based on searches. 7% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Ontario to District of Columbia.
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Price to beat on a one-way flight from Ontario to District of Columbia.
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Find flight deals from Ontario to District of Columbia

Cheapest flights from Ontario to District of Columbia
Explore the most affordable flight options available from Ontario to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This SmartFares deal was found by Cheapflights users on 10/29. 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.
Fri 12/53:45 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Mon 12/811:40 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 10/29$188
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/283:45 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Fri 12/56:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 10/29$189
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/208:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Sun 11/236:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 10/28$190
This SmartFares deal was found by Cheapflights users on 10/29. 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 11/2211:00 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Tue 12/26:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 10/29$191
This SmartFares deal was found by Cheapflights users on 10/28. 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 11/2211:00 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Tue 11/256:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 10/28$192
This Trip.com deal was found by Cheapflights users on 10/29. 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 11/213:45 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Sun 11/236:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 10/29$194
This Trip.com deal was found by Cheapflights users on 10/28. 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 11/2010:30 amYTZ - DCA
1 stop5h 01mAir Canada
Sun 11/236:00 amDCA - YTZ
1 stop5h 55mAir Canada
Deal found 10/28$206
This SmartFares deal was found by Cheapflights users on 10/29. 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.
Wed 11/128:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Wed 12/36:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 10/29$207
This Trip.com deal was found by Cheapflights users on 10/27. 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.
Sat 11/2211:00 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Sat 11/291:45 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 10/27$208
This Trip.com deal was found by Cheapflights users on 10/28. 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 11/138:55 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Fri 11/216:30 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 10/28$209
This Trip.com deal was found by Cheapflights users on 10/28. 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 11/206:10 pmYYZ - DCA
Nonstop1h 35mAir Canada
Sun 11/236:59 amDCA - YYZ
Nonstop1h 36mAir Canada
Deal found 10/28$211
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:58 amYYZ - DCA
Nonstop1h 42mAmerican Airlines
Sun 12/710:04 amDCA - YYZ
Nonstop1h 52mAmerican Airlines
Deal found 10/28$217

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to District of Columbia 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 October 30, 2025.
Use the filters below to find and compare flights from Ontario to District of Columbia that are best for you.

Fly from

Ontario

Fly to

District of Columbia

Route

Depart

Return

Price

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 11/22

11:00 am-12:29 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Tue 12/2

6:30 pm-8:00 pm

Nonstop1h 30m

$190

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 11/20

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 11/24

11:40 am-1:10 pm

Nonstop1h 30m

$193

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 11/21

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 11/24

11:40 am-1:10 pm

Nonstop1h 30m

$194

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Thu 11/20

10:30 am-3:31 pm

1 stop5h 01m

Washington, D.C. Reagan-National

Sun 11/23

6:00 am-11:55 am

1 stop5h 55m

$206

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 11/13

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 11/16

6:30 pm-8:00 pm

Nonstop1h 30m

$217

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Sun 4/12

8:10 am-12:06 pm

1 stop3h 56m

Washington, D.C. Reagan-National

Sun 4/19

9:40 am-11:23 am

Nonstop1h 43m

$221

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Fri 1/16

10:30 am-3:31 pm

1 stop5h 01m

Washington, D.C. Reagan-National

Tue 1/20

4:10 pm-9:35 pm

1 stop5h 25m

$221

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 1/16

2:45 pm-4:30 pm

Nonstop1h 45m

Washington, D.C. Dulles Intl

Mon 1/19

9:45 am-4:40 pm

1 stop6h 55m

$222

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 11/22

10:00 am-11:45 am

Nonstop1h 45m

Washington, D.C. Dulles Intl

Tue 12/2

9:45 am-4:40 pm

1 stop6h 55m

$222

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

Fri 1/16

8:30 am-3:31 pm

1 stop7h 01m

Washington, D.C. Reagan-National

Tue 2/10

4:10 pm-9:35 pm

1 stop5h 25m

$222

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia 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 District of Columbia

What is the cheapest month to book a flight from Region of Ontario to District of Columbia?

Currently, April is the cheapest month in which you can book a flight from Region of Ontario to District of Columbia (average of $70). Flying from Region of Ontario to District of Columbia in January is currently the most expensive (average of $187). 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 DC?

Find hourly flight availability from Ontario to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 9% on flights from Region of Ontario to District of Columbia by exploring options for tickets in the morning.

What is the cheapest day to fly from Region of Ontario to District of Columbia?

Use this chart to determine the cheapest time to fly round-trip from Ontario to District of Columbia. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Region of Ontario to District of Columbia flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated October 30, 2025.
Get a feel of what it's like to fly with Porter Airlines, Air Transat, and United Airlines from Ontario to District of Columbia by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
384 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

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
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

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 Transat
7.8
Good
469 reviews
Porter Airlines
8.0
Very good
384 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

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
8,998 reviews
Porter Airlines
8.0
Very good
384 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

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
11,030 reviews
Porter Airlines
8.0
Very good
384 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

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
10,377 reviews
Porter Airlines
8.0
Very good
384 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

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 Ontario to District of Columbia. 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 District of Columbia?

    Departing from Region of Ontario to District of Columbia will take you 1h 29m. There are 339 mi between Region of Ontario and District of Columbia. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Region of Ontario to District of Columbia one-way?

    For one-way options, check prices for Air Transat. According to our data, you can fly for as low as $126. Users have also found prices from $127 and $128 on Air Canada and Porter Airlines, respectively.

  • Can I find deals for flights from Ontario to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Ontario to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to District of Columbia?

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

  • Can I find deals for business class flights from Ontario to District of Columbia?

    Yes. Cheapflights offers flight deals from Ontario to District of Columbia 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 District of Columbia?

    Currently, April is the cheapest month in which you can book a flight from Region of Ontario to District of Columbia (average of $70). Flying from Region of Ontario to District of Columbia in January is currently the most expensive (average of $187). 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

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Alternative routes for Ontario to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Ontario to District of Columbia

Discover the top 6 airlines that operate flights from Ontario to District of Columbia. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$133Average$333FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$158Average$366FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$174Average$321FlexibilityNo cancel feeOn-time52%
American AirlinesCheapest$213Average$340FlexibilityNo cancel feeOn-time71%
DeltaCheapest$222Average$393FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$290Average$369FlexibilityNo cancel feeOn-time60%

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