Cheap flights from Seattle (SEA) to Montreal (YMQ)

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The best prices from Seattle to Montreal are usually found in January or April, booked 42 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

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 2021: compare Seattle to Montreal flight prices with the expected peak season, weather and rainfall in Montreal.
SEA - YMQ
Price
$305 - $579
YMQ
Temperature
24.8 - 80.6 °F
YMQ
Rainfall
2.1 - 4 inches

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

$305

From Seattle to Montreal

One-way from

$173

One-way flight from Seattle to Montreal

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Seattle to Montreal?

Travelers have found that booking a Tuesday departure is the best way to save up to 23% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Travelers have found it’s best to book a flight 51 days in advance to save up to 29% 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 51 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 $508, or $627 for flights within the next 24 hours.

When is the cheapest time to fly from Seattle to Montreal (SEA - YMQ)?

When flying from Seattle to Montreal, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 39% versus a flight in the morning.

Cheap flights from Seattle to Montreal in May, June 2021

The best prices found for SEA to YMQ flights for May, June
23 Jun - 23 Jul
$342pp
SEA
Seattle/Tacoma Intl
Air Canada
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl
YUL
Montreal Pierre Elliott Trudeau Intl
Air Canada
 
1 STOP
SEA
Seattle/Tacoma Intl
23 Jun - 23 Jul
$354pp
SEA
Seattle/Tacoma Intl
Air Canada
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl
YUL
Montreal Pierre Elliott Trudeau Intl
Air Canada
   
2 STOPS
SEA
Seattle/Tacoma Intl
28 May - 4 Jun
$361pp
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl
YUL
Montreal Pierre Elliott Trudeau Intl
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle to Montreal 2021 flight deals

Cheap flights to Montreal from Seattle found for this year
3 Jul - 7 Jul
$324pp
SEA
Seattle/Tacoma Intl
Air Canada
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl
YUL
Montreal Pierre Elliott Trudeau Intl
Air Canada
 
1 STOP
SEA
Seattle/Tacoma Intl
10 Sep - 18 Sep
$328pp
SEA
Seattle/Tacoma Intl
Air Canada
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl
YUL
Montreal Pierre Elliott Trudeau Intl
Air Canada
   
2 STOPS
SEA
Seattle/Tacoma Intl
28 Sep - 13 Oct
$333pp
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

One-way flights to Montreal from Seattle

The cheapest one-way flights from Seattle to Montreal
6:30 am - 1:45 pm
Air Canada
2 Stops
28h 15m
SEA - YUL
Air Canada
3:13 pm - 3:22 am
WestJet
2 Stops
33h 09m
SEA - YUL
WestJet
8:44 pm - 9:43 am
American Airlines
2 Stops
33h 59m
SEA - YUL
American 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

Are flight prices decreasing from Seattle to Montreal due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Seattle and Montreal for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Seattle/Tacoma Intl to Montreal to control the spread of COVID-19?

New policies can now be found on Alaska Airlines to help keep travelers safe while flying. New policies for travelers booking flights from Seattle/Tacoma Intl to Montreal include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

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

Some of our airline partners flying from Seattle/Tacoma Intl to Montreal have new flexible policies in place due to COVID-19. Air Canada, United Airlines, and American Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Air Canada with this kind of flexibility.

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 7 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

Can I find flights from Seattle to Montreal for under $400 on Cheapflights?

Yes, there are multiple flights from Seattle to Montreal for under $400. The cheapest flight booked recently is on Air Canada for just $324, but on average you can expect to pay $352.

Are there nonstop flights from Seattle to Montreal for under $300 on Cheapflights?

There are no nonstop flights from Seattle to Montreal, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Is Seattle weather warmer or cooler than Montreal?

Our data indicates that the weather will be 81 °F on average in the month of July. The temperature in Montreal is typically hotter than in Seattle. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from Seattle to Montreal?

Air Canada, American Airlines, and United Airlines can get you from Seattle to Montreal in just under 6h 59m. Your travel time can differ by up to 2h 21m. This flight may include one or multiple stops.

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

Cheapflights users have booked flights from Seattle to Montreal round-trip from $324. Other airlines that can offer you cheap pricing are United Airlines, from $343, and American Airlines, from $353. These flights start at 30% lower than the current average price 3 months from now.

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

One-way options have recently been found by users for as low as $127 on Air Canada. Other airlines that offer cheap prices include American Airlines from $157 and Delta from $204 one-way.

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
$1 = C$ 1.21
Average temperature for May in Montreal
68.0 °F
Avg rainfall for May in Montreal
3.2 ″

Airports servicing Seattle

Airports servicing Montreal

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

Top 6 airlines flying from Seattle to Montreal

The chart below displays the airlines Cheapflights users traveling from Seattle to Montreal choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Alaska Airlines
$184 $263 No cancel fee 75%
WestJet
$149 $332 No cancel fee 60%
American Airlines
$155 $385 No cancel fee 71%
United Airlines
$167 $450 No cancel fee 69%
Air Canada
$146 $498 No cancel fee 67%
Delta
$153 $575 No cancel fee N/A
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