Flights from Washington DC to Toronto

Our cheapest offers for flights from Washington DC to Toronto

Here you can compare cheap flights from Washington DC (IAD) to Toronto (YYZ) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Toronto. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
Washington DC
Toronto
Outbound
08/23/25
direct
UA8693
01h 36min
Return
08/30/25
direct
UA3637
01h 40min
United Airlines
$288
Washington DC
Toronto
Pay attention to transfer at connecting flight
Outbound
08/23/25
1 Stopover (BNA)
G40343, WS1429
24h 56min
Return
08/30/25
1 Stopover (BNA)
WS1428, G40358
18h 44min
Allegiant Air, Westjet
$338
Washington DC
Toronto
Outbound
10/08/25
1 Stopover (ATL)
WS7803, WS7079
09h 22min
Return
10/27/25
1 Stopover (ATL)
WS7106, WS5475
07h 53min
Westjet ?
$468
Washington DC
Toronto
Outbound
11/03/25
1 Stopover (ATL)
WS7803, WS7079
09h 22min
Return
11/12/25
1 Stopover (ATL)
WS7129, WS7511
08h 51min
Westjet ?
$470
Washington DC
Toronto
Outbound
10/10/25
1 Stopover (ATL)
WS8325, WS6307
08h 53min
Return
11/04/25
1 Stopover (ATL)
WS7129, WS7511
08h 51min
Westjet ?
$471
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Washington DC to Toronto

Favorite airline: United Airlines
82 % of travelers choose to book flights on this route with United Airlines, Air Canada and Westjet.
United Airlines
48 %
Air Canada
19 %
Westjet
15 %
Cheapest weekday: Tuesday
The cheapest days to fly on this route are Tuesday.
Direct flights are the cheapest connection
Compared to direct flights, flights with a stopover on this route are on average 9 % more expensive.
non stop flight
1 stop
01h 40min
05h 30min
236 $
260 $
The favorite connection is non-stop
Flights from Washington DC to Toronto are most often booked as a direct flight.
Route
bookings
Direct flights
01h 40min, from 236 $
67 %
1 stopover Hartsfield-Jackson Atlanta International Airport, GA
06h 50min, from 322 $
11 %
1 stopover Detroit Metropolitan Wayne County Airport, MI
05h 30min, from 260 $
9 %

Important flight information

Flight information: Washington DC - Toronto

Roundtrip from 287,30 $
Flight duration min. 01:29 / max. 01:31
Return flight duration min. 01:21/ max. 01:40
Distance 557 km
Flights per week 55
Departure airport Airport Washington DC - Dulles International Airport, DC (IAD)
Arrival airport Airport Toronto - Lester B. Pearson International Airport (YYZ)
Destination country Flights to Canada
Alternative routes to Canada
Alternative flights to Toronto
Flight destinations with a similar price
Flight destinations with a similar price