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$75+ Cheap flights from District of Columbia 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — YYZ
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
1 adult, Economy
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Cheap flight deals from District of Columbia to Ontario

Keep the following information in mind while searching for District of Columbia to Ontario flight deals. Data was last updated julio 31, 2025.

Round-trip from

$180
(Kiwi.com)

One-way from

$75
(Trip.com)

Popular in

November

Cheapest in

June

Average price

$286

Good round-trip deal

$217 or less

Good one-way deal

$85 or less
From District of Columbia to Ontario
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One-way flight from District of Columbia 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 ($3 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from District of Columbia to Ontario.
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Price to beat on a one-way flight from District of Columbia to Ontario.
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Find flight deals from District of Columbia to Ontario

Cheapest flights from District of Columbia to Ontario
Explore the most affordable flight options available from District of Columbia to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
jue. 9/2511:35 amIAD - YTZ
Nonstop1h 33mPorter Airlines
sáb. 9/271:35 pmYTZ - IAD
Nonstop1h 31mPorter Airlines
Deal found 7/29$180
This Flightnetwork deal was found by Cheapflights users on 7/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/46:00 amDCA - YYZ
1 stop4h 39mAir Canada
dom. 9/78:00 amYYZ - DCA
1 stop4h 08mAir Canada
Deal found 7/29$192
This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/44:20 pmIAD - YTZ
Nonstop1h 33mMultiple Airlines
dom. 9/78:45 amYTZ - IAD
Nonstop1h 31mMultiple Airlines
Deal found 7/29$202
This Booking.com deal was found by Cheapflights users on 7/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/42:25 pmIAD - YYZ
Nonstop1h 32mAir Canada
dom. 9/78:10 amYYZ - IAD
Nonstop1h 28mAir Canada
Deal found 7/29$203
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1812:55 pmDCA - YTZ
1 stop5h 50mAir Canada
sáb. 9/2010:25 amYTZ - DCA
1 stop5h 26mAir Canada
Deal found 7/29$221
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/109:35 amIAD - YTZ
1 stop5h 10mAir Canada
lun. 9/154:10 pmYTZ - IAD
1 stop5h 02mAir Canada
Deal found 7/29$223
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/37:45 pmDCA - YYZ
1 stop3h 58mDelta
jue. 10/236:00 amYYZ - DCA
1 stop4h 06mDelta
Deal found 7/29$242
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/36:00 amIAD - YYZ
1 stop7h 32mDelta
mié. 10/223:35 pmYYZ - IAD
1 stop7h 26mDelta
Deal found 7/29$242
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/1912:41 pmIAD - YYZ
Nonstop1h 38mUnited Airlines
mar. 8/195:15 pmYYZ - IAD
1 stop7h 17mUnited Airlines
Deal found 7/29$254
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
sáb. 9/134:20 pmIAD - YUL
1 stop3h 50mPorter Airlines
sáb. 9/2010:45 amYUL - IAD
1 stop4h 21mPorter Airlines
Deal found 7/28$262
This American Airlines deal was found by Cheapflights users on 7/30. 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.
jue. 9/112:54 pmDCA - YYZ
Nonstop1h 39mAmerican Airlines
sáb. 9/205:17 pmYYZ - DCA
Nonstop1h 42mAmerican Airlines
Deal found 7/30$262
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1110:20 amIAD - YUL
1 stop11h 21mMultiple Airlines
lun. 9/1510:45 amYUL - IAD
1 stop4h 21mMultiple Airlines
Deal found 7/29$263

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 julio 31, 2025.
Use the filters below to find and compare flights from District of Columbia to Ontario that are best for you.

Fly from

District of Columbia

Fly to

Ontario

Route

Depart

Return

Price

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

jue. 9/25

11:35 am-1:08 pm

Nonstop1h 33m

Toronto Island

sáb. 9/27

1:35 pm-3:06 pm

Nonstop1h 31m

$180

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

jue. 9/4

6:00 am-10:39 am

1 stop4h 39m

Toronto Pearson Intl

dom. 9/7

8:00 am-12:08 pm

1 stop4h 08m

$192

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

jue. 9/4

4:20 pm-5:53 pm

Nonstop1h 33m

Toronto Island

dom. 9/7

8:45 am-10:16 am

Nonstop1h 31m

$202

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

jue. 9/4

10:20 am-11:52 am

Nonstop1h 32m

Toronto Pearson Intl

dom. 9/7

8:10 am-9:38 am

Nonstop1h 28m

$203

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

jue. 9/18

12:55 pm-6:45 pm

1 stop5h 50m

Toronto Island

vie. 9/19

10:25 am-3:51 pm

1 stop5h 26m

$221

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

mié. 9/10

9:35 am-2:45 pm

1 stop5h 10m

Toronto Island

lun. 9/15

4:10 pm-9:12 pm

1 stop5h 02m

$223

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

mié. 9/3

5:30 pm-10:58 pm

1 stop5h 28m

Toronto Pearson Intl

vie. 10/24

3:35 pm-10:58 pm

1 stop7h 23m

$242

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

mié. 9/3

6:00 am-1:32 pm

1 stop7h 32m

Toronto Pearson Intl

mié. 10/22

3:35 pm-11:01 pm

1 stop7h 26m

$242

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

mar. 8/19

12:41 pm-2:19 pm

Nonstop1h 38m

Toronto Pearson Intl

mar. 8/19

5:15 pm-12:32 am

1 stop7h 17m

$254

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

jue. 9/11

2:54 pm-4:33 pm

Nonstop1h 39m

Toronto Pearson Intl

sáb. 9/20

5:17 pm-6:59 pm

Nonstop1h 42m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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

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

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

Currently, January is the cheapest month in which you can book a flight from District of Columbia to Region of Ontario (average of $243). Flying from District of Columbia 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 DC to ON?

Find hourly flight availability from District of Columbia 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 julio 31, 2025.

When flying from District of Columbia 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.

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

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 julio 31, 2025.
Get a feel of what it's like to fly with Porter Airlines, Delta, and Air Transat from District of Columbia to Ontario 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
318 reviews

Overall

8.0

Boarding

8.2

Food

7.6

Entertainment

7.0

Comfort

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
318 reviews
Porter Airlines
8.0
Very good
318 reviews

Overall

8.0

Boarding

8.2

Food

7.6

Entertainment

7.0

Comfort

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Delta
8.0
Very good
7,981 reviews
Porter Airlines
8.0
Very good
318 reviews

Overall

8.0

Boarding

8.2

Food

7.6

Entertainment

7.0

Comfort

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Transat
7.7
Good
424 reviews
Porter Airlines
8.0
Very good
318 reviews

Overall

8.0

Boarding

8.2

Food

7.6

Entertainment

7.0

Comfort

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,900 reviews
Porter Airlines
8.0
Very good
318 reviews

Overall

8.0

Boarding

8.2

Food

7.6

Entertainment

7.0

Comfort

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
318 reviews

Overall

8.0

Boarding

8.2

Food

7.6

Entertainment

7.0

Comfort

8.0

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Related info for your journey

Find useful and relevant information for your journey from District of Columbia 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 District of Columbia to Region of Ontario one-way?

    The cheapest airline one-way is Porter Airlines, with whom users have recently found tickets for as low as $75. However, be on the lookout for offers from Air Canada and Air Transat, as they are both options that can get you from District of Columbia to Region of Ontario for a low price.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from District of Columbia to Region of Ontario (average of $243). Flying from District of Columbia 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.

See more FAQs

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Alternative routes for District of Columbia to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Newark to Toronto Island flights
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Top 7 airlines flying from District of Columbia to Ontario

Discover the top 7 airlines that operate flights from District of Columbia 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$103Average$332FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$118Average$434FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$132Average$403FlexibilityNo cancel feeOn-time69%
Air TransatCheapest$176Average$269FlexibilityNo cancel feeOn-time50%
American AirlinesCheapest$220Average$372FlexibilityNo cancel feeOn-time71%
DeltaCheapest$242Average$322FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$278Average$542FlexibilityNo cancel feeOn-time60%

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