Flights from Washington DC to Montreal

Our cheapest offers for flights from Washington DC to Montreal

Here you can compare cheap flights from Washington DC (WAS) to Montreal (YMQ) 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 Montreal. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Washington-DC
Montreal
Outbound
10/18/25
1 Stopover (YTZ)
PD2726, PD2485
03h 50min
Return
11/17/25
1 Stopover (YTZ)
PD2458, PD2723
04h 04min
Porter Airlines
$267
Best option
Washington-DC
Montreal
Outbound
10/18/25
direct
UA3719
01h 48min
Return
11/17/25
direct
UA8535
01h 59min
United Airlines ?
$338
Washington-DC
Montreal
Outbound
10/18/25
1 Stopover (YTZ)
PD2726, PD2485
03h 50min
Return
11/17/25
1 Stopover (YTZ)
PD2452, PD2723
06h 09min
Porter Airlines
$269
Washington-DC
Montreal
Outbound
10/18/25
1 Stopover (YTZ)
PD2726, PD2485
03h 50min
Return
11/17/25
1 Stopover (YTZ)
PD2452, PD2723
06h 09min
Porter Airlines
$278
Washington-DC
Montreal
Outbound
10/18/25
1 Stopover (YTZ)
PD2726, PD2485
03h 50min
Return
11/17/25
direct
UA8535
01h 59min
Porter Airlines ?
$311
Washington-DC
Montreal
Outbound
10/18/25
1 Stopover (YTZ)
PD2726, PD2485
03h 50min
Return
11/17/25
1 Stopover (YTZ)
PD2458, PD2723
04h 04min
Porter Airlines
$325
Washington-DC
Montreal
Outbound
10/18/25
1 Stopover (ORD)
UA1349, UA8452
05h 22min
Return
11/17/25
1 Stopover (YOW)
AC8011, AC4694
04h 15min
United Airlines ?
$327
Washington-DC
Montreal
Outbound
10/18/25
1 Stopover (YTZ)
PD2726, PD2485
03h 50min
Return
11/17/25
1 Stopover (YTZ)
PD2458, PD2723
04h 04min
Porter Airlines ?
$370
Washington-DC
Montreal
Outbound
09/04/25
1 Stopover (ORD)
UA2401, UA8458
10h 30min
Return
09/28/25
direct
AC8725
01h 55min
United Airlines ?
$403
Washington-DC
Montreal
Outbound
10/18/25
1 Stopover (YTZ)
PD2726, PD2485
03h 50min
Return
11/17/25
1 Stopover (YTZ)
PD2452, PD2723
06h 09min
Porter Airlines ?
$423
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 Montreal

Favorite airline: Porter Airlines
Most travelers looking for flights on the route from Washington-DC to Montreal decide to book flights with Porter Airlines.
Porter Airlines
89 %
United Airlines
10 %
Westjet
2 %
Stopover flights are the cheapest connection
Compared to flights with a stopover, direct flights are $91.00 more expensive on this route.
non stop flight
1 stop
02h 01min
06h 15min
$316
$225
Favourite connection: via Toronto - City Centre
The most popular route is via Toronto - City Centre and is booked by 93 % of all travelers.
Route
bookings
1 stopover Toronto - City Centre Airport
06h 15min, from $225
93 %
1 stopover New York - Newark Liberty International Airport, NJ
07h 16min, from $289
5 %
1 stopover Toronto - City Centre Airport Toronto - Lester B. Pearson International Airport
06h 46min, from $283
2 %

Important flight information

Flight information: Washington-DC - Montreal

Roundtrip from $266.98
Flight duration min. 01:39 / max. 01:50
Return flight duration min. 01:44/ max. 02:07
Distance 792 km
Flights per week 40
Departure airport Airport Washington-DC (WAS)
Arrival airport Airport Montreal, all Airports (YMQ)
Destination country Flights to Canada
Alternative routes to Canada
Alternative flights to Montreal
Flight destinations with a similar price
Flight destinations with a similar price