District of Columbia

$124+ 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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — IAD
fev 28 — mar 71
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Cheap 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 janeiro 29, 2026.

This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 2/198:50 am
YTZ
-
IAD
Nonstop1h 32m
Porter Airlines
qua 2/2511:40 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 1/27$198
This Air Canada deal was found by Cheapflights users on 1/26. 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.
sex 4/241:00 pm
YYZ
-
IAD
1 stop6h 40m
Air Canada
dom 4/269:55 am
IAD
-
YYZ
1 stop6h 44m
Air Canada
Deal found 1/26$198
This FlightHub deal was found by Cheapflights users on 1/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 4/278:55 am
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
ter 5/511:30 am
IAD
-
YTZ
Nonstop1h 31m
Porter Airlines
Deal found 1/26$200
This Trip.com deal was found by Cheapflights users on 1/28. 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.
qui 2/198:15 am
YYZ
-
DCA
1 stop4h 04m
Air Canada
dom 2/226:00 am
DCA
-
YYZ
1 stop5h 40m
Air Canada
Deal found 1/28$201
This Trip.com deal was found by Cheapflights users on 1/28. 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.
sex 3/203:45 pm
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
seg 3/2311:40 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 1/28$201
This SmartFares deal was found by Cheapflights users on 1/28. 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.
sáb 3/148:30 am
YTZ
-
DCA
1 stop7h 01m
Air Canada
sáb 3/216:00 am
DCA
-
YTZ
1 stop5h 55m
Air Canada
Deal found 1/28$201
This Trip.com deal was found by Cheapflights users on 1/27. 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.
qui 2/198:30 am
YTZ
-
DCA
1 stop7h 01m
Air Canada
seg 2/2312:55 pm
DCA
-
YTZ
1 stop5h 18m
Air Canada
Deal found 1/27$202
This Mytrip deal was found by Cheapflights users on 1/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 3/188:55 am
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
qui 3/1911:40 am
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 1/27$203
This Trip.com deal was found by Cheapflights users on 1/28. 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.
sáb 2/1411:05 am
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
dom 2/226:30 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 1/28$204
This Trip.com deal was found by Cheapflights users on 1/28. 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.
qui 2/199:30 am
YTZ
-
DCA
1 stop6h 01m
Air Canada
dom 2/2212:55 pm
DCA
-
YTZ
1 stop5h 18m
Air Canada
Deal found 1/28$204
This Trip.com deal was found by Cheapflights users on 1/26. 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.
sex 2/279:00 pm
YYZ
-
DCA
Nonstop1h 35m
Air Canada
seg 3/98:40 pm
DCA
-
YYZ
Nonstop1h 37m
Air Canada
Deal found 1/26$206
This FlightHub deal was found by Cheapflights users on 1/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 4/243:45 pm
YTZ
-
IAD
Nonstop1h 29m
Porter Airlines
dom 4/266:30 pm
IAD
-
YTZ
Nonstop1h 30m
Porter Airlines
Deal found 1/26$206

Find 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 janeiro 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$198
(FlightHub)

One-way from

$124
(Gotogate)

Popular in

June

Cheapest in

October

Average price

$277

Good round-trip deal

$126 or less

Good one-way deal

$132 or less
Provider with most accurate pricing for Toronto (YTO)-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Toronto (YTO)-Washington, D.C. (WAS) flights.
From Ontario to District of Columbia
One-way flight from Ontario to District of Columbia
Highest demand for flights based on searches. 8% potential increase in price ($22 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($6 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 District of Columbia.
Price to beat on a one-way flight from Ontario to District of Columbia.

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 janeiro 29, 2026.
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

sex 4/10

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

dom 4/12

6:30 pm-8:00 pm

Nonstop1h 30m

$198

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

qui 2/19

8:50 am-10:22 am

Nonstop1h 32m

Washington, D.C. Dulles Intl

qui 2/26

11:40 am-1:10 pm

Nonstop1h 30m

$198

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

qui 2/19

8:50 am-10:22 am

Nonstop1h 32m

Washington, D.C. Dulles Intl

qua 2/25

11:40 am-1:10 pm

Nonstop1h 30m

$198

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

sáb 2/21

11:05 am-12:34 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

sáb 2/28

1:50 pm-3:20 pm

Nonstop1h 30m

$198

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

seg 4/27

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

ter 5/5

11:30 am-1:01 pm

Nonstop1h 31m

$200

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

sáb 3/14

8:30 am-3:31 pm

1 stop7h 01m

Washington, D.C. Reagan-National

sáb 3/21

6:00 am-11:55 am

1 stop5h 55m

$201

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

qua 3/18

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

qui 3/19

11:40 am-1:10 pm

Nonstop1h 30m

$203

TorontoWashington, D.C.

YTZ - DCA

YTZDCA

Toronto Island

qui 2/19

9:30 am-3:31 pm

1 stop6h 01m

Washington, D.C. Reagan-National

dom 2/22

12:55 pm-6:13 pm

1 stop5h 18m

$205

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

sex 4/24

3:45 pm-5:14 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

dom 4/26

6:30 pm-8:00 pm

Nonstop1h 30m

$206

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

qua 3/4

8:55 am-10:24 am

Nonstop1h 29m

Washington, D.C. Dulles Intl

qua 3/11

11:40 am-1:10 pm

Nonstop1h 30m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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 $73). Flying from Region of Ontario to District of Columbia in August is currently the most expensive (average of $156). 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 janeiro 29, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 27% 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 January 24, 2026.

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

Weekly flight availability from Region of Ontario to District of Columbia

Explore weekly flight availability from Ontario to District of Columbia. 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 janeiro 29, 2026.

The most flights from CAON to USDC are scheduled on a Wednesday (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).

How much does it cost to fly round-trip from Region of Ontario to District of Columbia?

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 janeiro 29, 2026.
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.

Entertainment

6.9

Crew

8.6

Comfort

7.9

Overall

7.9

Boarding

8.2

Food

7.5

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Entertainment

6.9

Crew

8.6

Comfort

7.9

Overall

7.9

Boarding

8.2

Food

7.5

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Entertainment

6.9

Crew

8.6

Comfort

7.9

Overall

7.9

Boarding

8.2

Food

7.5

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Entertainment

6.9

Crew

8.6

Comfort

7.9

Overall

7.9

Boarding

8.2

Food

7.5

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Entertainment

6.9

Crew

8.6

Comfort

7.9

Overall

7.9

Boarding

8.2

Food

7.5

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Entertainment

6.9

Crew

8.6

Comfort

7.9

Overall

7.9

Boarding

8.2

Food

7.5

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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 Porter Airlines. According to our data, you can fly for as low as $89. Users have also found prices from $103 and $108 on United Airlines and Air Canada, 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 $73). Flying from Region of Ontario to District of Columbia in August is currently the most expensive (average of $156). 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.

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 janeiro 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$133Average$324FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$158Average$347FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$174Average$319FlexibilityNo cancel feeOn-time52%
American AirlinesCheapest$213Average$340FlexibilityNo cancel feeOn-time71%
DeltaCheapest$222Average$393FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$260Average$334FlexibilityNo cancel feeOn-time60%

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