Prices are in Canadian Dollars.

Cheap flights from Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International are usually found in May or June, booked 60 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

How to find the cheapest flight from
Montréal - Pierre Elliott Trudeau (YUL) to Seattle-Tacoma International (SEA)

YUL - SEA
Price
C$ 337 - C$ 667

Popular in

December

High demand for flights, 32% potential price rise

Cheapest in

May

Best time to find cheap flights, 26% potential price drop

Average price

C$ 358

Average for round-trip flights in January 2021

Round-trip from

C$ 337

From Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International

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 Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International?

Friday flights are found to be more expensive to fly from Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seattle-Tacoma International.

How far in advance should I book a flight from Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International?

Travellers have found it’s best to book a flight 46 days in advance to save up to 14% 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 46 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 Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International 1-2 weeks in advance for as low as C$ 655, or C$ 674 for flights within the next 24 hours.

When is the cheapest time to fly from Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International (YUL - SEA)?

It’s typically best to fly out from Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International in the evening. Doing so could potentially save you 22% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap flights from Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International in January, February 2021

The best prices found for YUL to SEA flights for January, February
29 Jan - 5 Feb
C$ 424pp
YUL
Montreal Pierre Elliott Trudeau Intl
Delta
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl
28 Jan - 4 Feb
C$ 438pp
YUL
Montreal Pierre Elliott Trudeau Intl
Delta
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl
29 Jan - 5 Feb
C$ 451pp
YUL
Montreal Pierre Elliott Trudeau Intl
Delta
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl

Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International 2021 flight deals

Cheap flights to Seattle-Tacoma International from Montréal - Pierre Elliott Trudeau found for this year
21 Apr - 23 Apr
C$ 370pp
YUL
Montreal Pierre Elliott Trudeau Intl
Alaska Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl
21 Apr - 24 Apr
C$ 372pp
YUL
Montreal Pierre Elliott Trudeau Intl
Alaska Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl
21 Apr - 23 Apr
C$ 373pp
YUL
Montreal Pierre Elliott Trudeau Intl
Alaska Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl

Last minute flights from Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International

Late deals on round-trip flights to Seattle-Tacoma International from Montréal - Pierre Elliott Trudeau, departing today and this week
29 Jan - 5 Feb
C$ 424pp
YUL
Montreal Pierre Elliott Trudeau Intl
Delta
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl
29 Jan - 5 Feb
C$ 451pp
YUL
Montreal Pierre Elliott Trudeau Intl
Delta
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl
29 Jan - 5 Feb
C$ 452pp
YUL
Montreal Pierre Elliott Trudeau Intl
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
YUL
Montreal Pierre Elliott Trudeau Intl

Related info for your journey

Useful info, stats and facts about Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International flights.

Flight FAQs

From Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International

Can I find flights from Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International for under C$ 382 on Cheapflights?

Yes, there are multiple flights from Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International for under C$ 382. The cheapest flight booked recently is on Alaska Airlines for just C$ 370, but on average you can expect to pay C$ 630.

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

Airlines globally have implemented additional safety measures to accommodate you. Alaska Airlines and Delta are some airlines that have done so. New policies for travellers booking flights from Montreal Pierre Elliott Trudeau Intl to Seattle/Tacoma Intl 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 Montreal Pierre Elliott Trudeau Intl to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like WestJet, Air Canada, and United Airlines flying from Montreal Pierre Elliott Trudeau Intl to Seattle/Tacoma Intl have implemented new flexible cancellation policies.

Are there direct flights from Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International for under C$ 382 on Cheapflights?

There are no direct flights from Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International for under C$ 509?

There are currently 20+ open flights from Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International within the next 7 days for less than C$ 509.

Does it rain more in Montréal - Pierre Elliott Trudeau or Seattle?

Expected rainfall in Montréal - Pierre Elliott Trudeau is more than in Seattle. You can expect this to be the case over the next 17 days.

Is Montréal - Pierre Elliott Trudeau weather warmer or cooler than Seattle?

Temperatures around the 27 °C's can be experienced in July. The weather in Seattle is colder than in Montréal - Pierre Elliott Trudeau. Plan for potential changes in flight availability as peak weather approaches in this location.

How long is the flight from Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International?

A quick flight from Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International can take about 8h 03m. Delta provides one of the quickest options available for as low as C$ 451. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines to flying from Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International round-trip?

Our cheapest airline available from Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International is Alaska Airlines. Our recent data shows that you can find tickets from as low as C$ 371 on this airline. Additional options worth looking into are Delta and United Airlines, starting at C$ 408 and C$ 625 round-trip. You may be able to fly from Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International for 18% less than the average price by searching for these airlines.

Alternative routes for Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International

Destination information for Seattle-Tacoma International

Things to know before you go. Useful info for your trip from Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International
Today's exchange rate
C$ 1 = $0.79

Airports servicing Montreal

Airports servicing Seattle

Top 6 airlines flying from Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International

The chart below displays the airlines Cheapflights users travelling from Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International 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
WestJet
C$ 197 C$ 367 No cancel fee 60%
Search WestJet flights
Alaska Airlines
C$ 251 C$ 369 No cancel fee 75%
Search Alaska Airlines flights
American Airlines
C$ 180 C$ 397 No cancel fee 71%
Search American Airlines flights
United Airlines
C$ 189 C$ 446 No cancel fee 69%
Search United Airlines flights
Air Canada
C$ 224 C$ 447 No cancel fee 67%
Search Air Canada flights
Delta
C$ 207 C$ 478 No cancel fee N/A
Search Delta flights
Home North America USA Washington Seattle Seattle-Tacoma International Cheap flights from Montréal - Pierre Elliott Trudeau to Seattle-Tacoma International