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Cheap flights from Ontario to District of Columbia from C$ 162
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 21/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — BWI
6 Aug — 13 Aug1
Round-trip
1 adult
Economy
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 1 August 2025.
Find flight deals from Ontario to District of Columbia
Cheapest flights from Ontario to District of ColumbiaExplore 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 1 August 2025.
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 1 August 2025.
Fri 12/98:45 a.m.YTZ - IAD
Nonstop1h 31mPorter Airlines
Sat 20/94:20 p.m.IAD - YTZ
Nonstop1h 33mPorter Airlines
Deal found 29/7C$ 227
Sat 6/129:00 p.m.YYZ - DCA
Nonstop1h 35mAir Canada
Sun 7/126:59 a.m.DCA - YYZ
Nonstop1h 36mAir Canada
Deal found 29/7C$ 256
Fri 19/912:10 p.m.YYZ - IAD
Nonstop1h 28mAir Canada
Mon 22/92:25 p.m.IAD - YYZ
Nonstop1h 32mAir Canada
Deal found 29/7C$ 256
Thu 4/910:25 a.m.YTZ - DCA
1 stop5h 26mAir Canada
Sun 7/99:40 a.m.DCA - YTZ
1 stop7h 05mAir Canada
Deal found 29/7C$ 260
Thu 4/98:45 a.m.YTZ - IAD
Nonstop1h 31mMultiple Airlines
Sun 7/99:45 a.m.IAD - YTZ
1 stop5h 00mMultiple Airlines
Deal found 29/7C$ 280
Sat 30/81:25 p.m.YTZ - IAD
Nonstop1h 31mAir Transat
Tue 2/94:20 p.m.IAD - YTZ
Nonstop1h 33mAir Transat
Deal found 29/7C$ 285
Tue 9/1211:00 a.m.YYZ - DCA
Nonstop1h 45mAmerican Airlines
Wed 10/126:00 a.m.DCA - YYZ
1 stop4h 45mAmerican Airlines
Deal found 31/7C$ 296
Sat 13/93:25 p.m.YTZ - IAD
1 stop5h 40mAir Canada
Wed 24/99:35 a.m.IAD - YTZ
1 stop7h 10mAir Canada
Deal found 31/7C$ 309
Sat 13/910:05 a.m.YYZ - IAD
Nonstop1h 40mUnited Airlines
Sat 20/912:41 p.m.IAD - YYZ
Nonstop1h 38mUnited Airlines
Deal found 30/7C$ 313
Wed 27/86:04 a.m.YYZ - IAD
1 stop5h 58mDelta
Wed 3/96:15 p.m.IAD - YYZ
1 stop4h 43mDelta
Deal found 29/7C$ 316
Thu 4/99:00 a.m.YYZ - DCA
1 stop5h 16mMultiple Airlines
Sun 7/96:59 a.m.DCA - YYZ
Nonstop1h 32mMultiple Airlines
Deal found 29/7C$ 325
Thu 25/95:00 a.m.YUL - IAD
1 stop4h 38mMultiple Airlines
Fri 26/94:20 p.m.IAD - YUL
1 stop3h 50mMultiple Airlines
Deal found 29/7C$ 342
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 629,999 searches. Data last updated 1 August 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
Fri 12/9
8:45 a.m.-10:16 a.m.
Nonstop1h 31m
Washington, D.C. Dulles Intl
Sat 20/9
4:20 p.m.-5:53 p.m.
Nonstop1h 33m
C$ 227
TorontoWashington, D.C.
YYZ - DCA
YYZDCA
Toronto Pearson Intl
Sat 6/12
9:00 p.m.-10:35 p.m.
Nonstop1h 35m
Washington, D.C. Reagan-National
Sun 7/12
6:59 a.m.-8:35 a.m.
Nonstop1h 36m
C$ 256
TorontoWashington, D.C.
YYZ - IAD
YYZIAD
Toronto Pearson Intl
Fri 19/9
12:10 p.m.-1:38 p.m.
Nonstop1h 28m
Washington, D.C. Dulles Intl
Sun 21/9
10:20 a.m.-11:52 a.m.
Nonstop1h 32m
C$ 256
TorontoWashington, D.C.
YTZ - DCA
YTZDCA
Toronto Island
Thu 4/9
10:25 a.m.-3:51 p.m.
1 stop5h 26m
Washington, D.C. Reagan-National
Sun 7/9
9:40 a.m.-4:45 p.m.
1 stop7h 05m
C$ 260
TorontoWashington, D.C.
YTZ - IAD
YTZIAD
Toronto Island
Sat 30/8
1:25 p.m.-2:56 p.m.
Nonstop1h 31m
Washington, D.C. Dulles Intl
Tue 2/9
4:20 p.m.-5:53 p.m.
Nonstop1h 33m
C$ 285
TorontoWashington, D.C.
YYZ - DCA
YYZDCA
Toronto Pearson Intl
Tue 9/12
11:00 a.m.-12:45 p.m.
Nonstop1h 45m
Washington, D.C. Reagan-National
Wed 10/12
6:00 a.m.-10:45 a.m.
1 stop4h 45m
C$ 296
TorontoWashington, D.C.
YTZ - IAD
YTZIAD
Toronto Island
Sat 13/9
3:25 p.m.-9:05 p.m.
1 stop5h 40m
Washington, D.C. Dulles Intl
Sat 20/9
4:20 p.m.-5:53 p.m.
Nonstop1h 33m
C$ 300
TorontoWashington, D.C.
YTZ - IAD
YTZIAD
Toronto Island
Sat 13/9
3:25 p.m.-9:05 p.m.
1 stop5h 40m
Washington, D.C. Dulles Intl
Wed 24/9
9:35 a.m.-4:45 p.m.
1 stop7h 10m
C$ 309
TorontoWashington, D.C.
YYZ - IAD
YYZIAD
Toronto Pearson Intl
Sat 13/9
10:05 a.m.-11:45 a.m.
Nonstop1h 40m
Washington, D.C. Dulles Intl
Sat 20/9
12:41 p.m.-2:19 p.m.
Nonstop1h 38m
C$ 313
TorontoWashington, D.C.
YYZ - IAD
YYZIAD
Toronto Pearson Intl
Wed 27/8
6:04 a.m.-12:02 p.m.
1 stop5h 58m
Washington, D.C. Dulles Intl
Wed 3/9
6:15 p.m.-10:58 p.m.
1 stop4h 43m
C$ 316
Showing 1-10 of 60 results
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, February is the cheapest month in which you can book a flight from Region of Ontario to District of Columbia (average of C$ 327). Flying from Region of Ontario to District of Columbia in June is currently the most expensive (average of C$ 398). 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 1 August 2025.
When flying from Region of Ontario to District of Columbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 1 August 2025.
See what other customers who have flown with Porter Airlines,Delta, andAir Transat from Ontario to District of Columbia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Crew
8.7
Boarding
8.2
Entertainment
7.0
Comfort
8.0
Food
7.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Jul 2025
LIS - YYZ
Overall
8.0
Crew
8.7
Boarding
8.2
Entertainment
7.0
Comfort
8.0
Food
7.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Jul 2025
LIS - YYZ
Overall
8.0
Crew
8.7
Boarding
8.2
Entertainment
7.0
Comfort
8.0
Food
7.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Jul 2025
LIS - YYZ
Overall
8.0
Crew
8.7
Boarding
8.2
Entertainment
7.0
Comfort
8.0
Food
7.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Jul 2025
LIS - YYZ
Overall
8.0
Crew
8.7
Boarding
8.2
Entertainment
7.0
Comfort
8.0
Food
7.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Jul 2025
LIS - YYZ
Overall
8.0
Crew
8.7
Boarding
8.2
Entertainment
7.0
Comfort
8.0
Food
7.6
Reviews
1 / 20
8.0
ExcellentAnonymous,Jul 2025
LIS - YYZ
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.
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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 7 airlines flying from Ontario to District of Columbia
Discover the top 7 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 629,999 searches. Data last updated 1 August 2025.
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 Ontario to District of Columbia?
When you search for this flight from Ontario to District of Columbia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Ontario to District of Columbia?
Cheapflights simply makes it quick and affordable to book flights from Ontario to District of Columbia by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Ontario to District of Columbia with no change fees?
Need flexible booking options for your flight to District of Columbia from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Ontario to District of Columbia become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to District of Columbia from Ontario today and book when prices fit your budget.