Cheap flights from Seattle to Montreal

Round-trip
Economy
Seattle (SEA)
Montreal (YMQ)
Depart
Return
Any month
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The best prices from Seattle/Tacoma Intl to Montreal are usually found in January or April, booked 42 days in advance, depart on a Wednesday or Monday and return on a Wednesday

How to find the cheapest flight from
Seattle (SEA) to Montreal (YMQ)

All the information you need to plan the best SEA to YMQ flight in 2022: compare Seattle to Montreal flight prices with the expected peak season, weather and rainfall in Montreal.
SEA - YMQ
Price
C$ 305 - C$ 579
YMQ
Temperature
-9 - 22 °C
YMQ
Rainfall
64 - 111 mm

Popular in

December

High demand for flights, 20% potential price rise

Cheapest in

January

Best time to find cheap flights, 34% potential price drop

Round-trip from

C$ 392

From Seattle/Tacoma Intl to Montreal (YMQ)

One-way from

C$ 218

One-way flight from Seattle/Tacoma Intl to Montreal (YMQ)

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from Seattle to Montreal (SEA - YMQ)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Montreal as you normally would.

How far in advance should I book a flight from Seattle to Montreal?

Travellers have found it’s best to book a flight 42 days in advance to save up to 1% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 42 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Montreal 1-2 weeks in advance for as low as C$ 516, or C$ 516 for flights within the next 24 hours.

What is the cheapest day to fly round-trip from Seattle to Montreal?

Flying to your destination on a Thursday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Montreal. Check prices with Cheapflights to find a great deal for your trip.

Cheap flights from Seattle to Montreal in May, June 2022

The best prices found for SEA to YMQ flights for May, June
7 Jun - 8 Jun
C$ 475pp
SEA
Seattle/Tacoma Intl
Air Canada
Direct
YUL
Montreal Pierre Elliott Trudeau Intl
YUL
Montreal Pierre Elliott Trudeau Intl
Air Canada
Direct
SEA
Seattle/Tacoma Intl
7 Jun - 8 Jun
C$ 482pp
SEA
Seattle/Tacoma Intl
Air Canada
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl
YUL
Montreal Pierre Elliott Trudeau Intl
Air Canada
Direct
SEA
Seattle/Tacoma Intl
7 Jun - 8 Jun
C$ 487pp
SEA
Seattle/Tacoma Intl
Air Canada
Direct
YUL
Montreal Pierre Elliott Trudeau Intl
YUL
Montreal Pierre Elliott Trudeau Intl
Air Canada
   
2 STOPS
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Montreal 2022 flight deals

Cheap flights to Montreal from Seattle found for this year
7 Jun - 8 Jun
C$ 475pp
SEA
Seattle/Tacoma Intl
Air Canada
Direct
YUL
Montreal Pierre Elliott Trudeau Intl
YUL
Montreal Pierre Elliott Trudeau Intl
Air Canada
Direct
SEA
Seattle/Tacoma Intl
2 Sep - 21 Sep
C$ 482pp
SEA
Seattle/Tacoma Intl
Air Canada
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl
YUL
Montreal Pierre Elliott Trudeau Intl
Air Canada
Direct
SEA
Seattle/Tacoma Intl
2 Sep - 20 Sep
C$ 484pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl
YUL
Montreal Pierre Elliott Trudeau Intl
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Direct flights to Montreal from Seattle

Save time with Seattle to Montreal direct flight deals
7 Jun - 8 Jun
C$ 475pp
SEA
Seattle/Tacoma Intl
Air Canada
Direct
YUL
Montreal Pierre Elliott Trudeau Intl
YUL
Montreal Pierre Elliott Trudeau Intl
Air Canada
Direct
SEA
Seattle/Tacoma Intl
3 Jun - 6 Jun
C$ 550pp
SEA
Seattle/Tacoma Intl
Air Canada
Direct
YUL
Montreal Pierre Elliott Trudeau Intl
YUL
Montreal Pierre Elliott Trudeau Intl
Air Canada
Direct
SEA
Seattle/Tacoma Intl
7 Sep - 13 Sep
C$ 551pp
SEA
Seattle/Tacoma Intl
Air Canada
Direct
YUL
Montreal Pierre Elliott Trudeau Intl
YUL
Montreal Pierre Elliott Trudeau Intl
Air Canada
Direct
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to Montreal

Late deals on round-trip flights to Montreal from Seattle, departing today and this week
28 May - 5 Jun
C$ 710pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl
YUL
Montreal Pierre Elliott Trudeau Intl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
28 May - 30 May
C$ 758pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
YUL
Montreal Pierre Elliott Trudeau Intl
YUL
Montreal Pierre Elliott Trudeau Intl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
26 May - 1 Jun
C$ 778pp
SEA
Seattle/Tacoma Intl
Air Canada
   
2 STOPS
YUL
Montreal Pierre Elliott Trudeau Intl
YUL
Montreal Pierre Elliott Trudeau Intl
Air Canada
Direct
SEA
Seattle/Tacoma Intl

One-way flights to Montreal from Seattle

The cheapest one-way flights from Seattle to Montreal
4:00 a.m. - 2:50 p.m.
Multiple Airlines
1 stop
7h 50m
SEA - YUL
Multiple Airlines
C$ 218
mytrip.com
3:05 p.m. - 3:00 a.m.
Delta
1 stop
8h 55m
SEA - YUL
Delta
C$ 267
Delta
3:30 a.m. - 11:30 a.m.
United Airlines
Direct
5h 00m
SEA - YUL
United Airlines
C$ 270
United Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">Montreal</span> flights.

Flight FAQs

From Seattle to Montreal

What airport do you fly from for flights from Seattle to Montreal?

Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Montreal. On average, Seattle/Tacoma Intl has 0 outbound flights to Montreal per day from 4 airlines. Seattle/Tacoma Intl is conveniently located just 18.4 km from Seattle’s city centre.

Which airlines flying from Seattle/Tacoma Intl to Montreal have flexible cancellations due to COVID-19?

Air Canada, WestJet, and Delta are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Seattle to Montreal for under C$ 500 on Cheapflights?

Yes, there are multiple flights from Seattle to Montreal for under C$ 500. The cheapest flight booked recently is on Air Canada for just C$ 475, but on average you can expect to pay C$ 500.

Are there direct flights from Seattle to Montreal for under C$ 500 on Cheapflights?

Cheapflights has 20 direct flights from Seattle to Montreal under C$ 500. A good price for a direct flight from Seattle to Montreal is less than C$ 586.

Are there last-minute flights available from Seattle to Montreal for under C$ 800?

There are currently 20+ open flights from Seattle to Montreal within the next 7 days for less than C$ 800.

What are the cheapest airlines flying from Seattle to Montreal round-trip?

Cheapflights users have booked flights from Seattle to Montreal round-trip from C$ 475. Other airlines that can offer you cheap pricing are American Airlines, from C$ 497, and WestJet, from C$ 528. Air Canada is 20% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Seattle to Montreal one-way?

The cheapest airlines for a one-way flight from Seattle to Montreal are Air Canada (C$ 214), Delta (C$ 231), and WestJet (C$ 253).

What are the most popular airlines that fly from Seattle to Montreal?

The most popular airlines flying from Seattle to Montreal are Air Canada, Delta and United Airlines. Something to consider prior to booking your flight.

What are the cheapest flights from Seattle to Montreal?

On average you can expect to pay C$ 1,291 for a flight from Seattle to Montreal. The cheapest flight overall is C$ 661 while the most popular route, (Seattle/Tacoma Intl - Montreal Pierre Elliott Trudeau Intl) is currently priced at C$ 484.

COVID Restrictions

View COVID Travel Restrictions for Montreal, Canada

Do I need a COVID test to fly to Montreal from Seattle?

Information is based on travel restrictions from Seattle/Tacoma Intl to Montreal

Most visitors from Seattle/Tacoma Intl need to provide a negative COVID-19 test result and/or quarantine to enter Montreal.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Montreal.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Montreal.

Do I need a test to fly back to Seattle from Montreal?

Returning to Seattle/Tacoma Intl from Montreal

COVID-19 testing requirements
Visitors from Montreal must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Montreal are not required to quarantine after entering Seattle/Tacoma Intl.

Hide COVID Travel Restrictions for Montreal, Canada

Destination information for Montreal

Things to know before you go - useful duration and weather info for your trip from Seattle to Montreal.
Today's exchange rate
C$ 1 = C$ 1.00
Flight duration from SEA to Montreal
5h 31m
Average temperature for May in Montreal
20.0 °C
Avg rainfall for May in Montreal
82.0 mm

Airports servicing Seattle

Airports servicing Montreal

Montreal Pierre Elliott Trudeau Intl (YUL)
Montreal St Hubert (YHU)
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