Cheap flights from Montreal to Seattle

YMQ — SEA
12 Dec — 19 Dec1
Return
1 adult
Economy
From?
To?
Mon 12/12
Mon 19/12

The best prices from Montreal to Seattle/Tacoma Intl are usually found in February or January, booked 60 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

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

All the information you need to plan the best YMQ to SEA flight in 2022: compare Montreal to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.

YMQ - SEA

Price

C$ 349 - C$ 649

SEA

Temperature

5 - 19 °C

SEA

Rainfall

18 - 168 mm

Popular inJulyHigh demand for flights, 24% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 29% potential price drop
Round-trip fromC$ 475From Montreal (YMQ) to Seattle/Tacoma Intl
One-way fromC$ 304One-way flight from Montreal (YMQ) to Seattle/Tacoma Intl

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

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 25% when planning your travel around this day of the week.

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

To save on the cost of your flight from Montreal to Seattle, book at least 61 days before your planned departure. Booking around this time can save you about 26% on the cost of this flight compared to booking a flight leaving this week. We have found prices from C$ 801 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as C$ 1,000.

What is the cheapest month to fly from Montreal to Seattle?

February is one of the best times of the year to fly to Seattle from Montreal. Prices for February average C$ 672 per person but you can even find prices for as low as C$ 432. The most expensive prices can be found in the month of July. Opting for a February flight can save you 31% on your journey compared to booking in July

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

A simple way to save on the total cost of your ticket is to fly from Montreal to Seattle in the afternoon. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the evening.

Cheap flights from Montreal to Seattle in December, January 2022

The best prices found for YMQ to SEA flights for December, January
12 Jan. - 23 Jan.
YUL

Montreal Pierre Elliott Trudeau Intl

SEA

Seattle/Tacoma Intl

1 stop

25h 18m
SEA

Seattle/Tacoma Intl

YUL

Montreal Pierre Elliott Trudeau Intl

1 stop

21h 34m
C$ 428

American Airlines

Deal found 6/12

12 Jan. - 23 Jan.
YUL

Montreal Pierre Elliott Trudeau Intl

SEA

Seattle/Tacoma Intl

1 stop

11h 42m
SEA

Seattle/Tacoma Intl

YUL

Montreal Pierre Elliott Trudeau Intl

1 stop

21h 34m
C$ 429

American Airlines

Deal found 4/12

12 Jan. - 23 Jan.
YUL

Montreal Pierre Elliott Trudeau Intl

SEA

Seattle/Tacoma Intl

1 stop

11h 42m
SEA

Seattle/Tacoma Intl

YUL

Montreal Pierre Elliott Trudeau Intl

2 stops

15h 15m
C$ 440

American Airlines

Deal found 6/12

Montreal to Seattle 2022 flight deals

Cheap flights to Seattle from Montreal found for this year
21 Dec. - 27 Dec.
YUL

Montreal Pierre Elliott Trudeau Intl

SEA

Seattle/Tacoma Intl

Nonstop

6h 02m
SEA

Seattle/Tacoma Intl

YUL

Montreal Pierre Elliott Trudeau Intl

Nonstop

5h 00m
C$ 518

Air Canada

Deal found 6/12

21 Dec. - 27 Dec.
YUL

Montreal Pierre Elliott Trudeau Intl

SEA

Seattle/Tacoma Intl

Nonstop

6h 02m
SEA

Seattle/Tacoma Intl

YUL

Montreal Pierre Elliott Trudeau Intl

Nonstop

5h 00m
C$ 519

United Airlines

Deal found 5/12

21 Dec. - 27 Dec.
YUL

Montreal Pierre Elliott Trudeau Intl

SEA

Seattle/Tacoma Intl

Nonstop

6h 02m
SEA

Seattle/Tacoma Intl

YUL

Montreal Pierre Elliott Trudeau Intl

1 stop

8h 05m
C$ 524

Air Canada

Deal found 6/12

Cheap Air Canada flights from Montreal to Seattle

21 Dec. - 27 Dec.
YUL

Montreal Pierre Elliott Trudeau Intl

SEA

Seattle/Tacoma Intl

Nonstop

6h 02m
SEA

Seattle/Tacoma Intl

YUL

Montreal Pierre Elliott Trudeau Intl

1 stop

8h 05m
C$ 524

Air Canada

Deal found 6/12

12 Jan. - 23 Jan.
YUL

Montreal Pierre Elliott Trudeau Intl

SEA

Seattle/Tacoma Intl

Nonstop

6h 02m
SEA

Seattle/Tacoma Intl

YUL

Montreal Pierre Elliott Trudeau Intl

1 stop

8h 20m
C$ 527

Air Canada

Deal found 4/12

30 Mar. - 1 Apr.
YUL

Montreal Pierre Elliott Trudeau Intl

SEA

Seattle/Tacoma Intl

1 stop

10h 18m
SEA

Seattle/Tacoma Intl

YUL

Montreal Pierre Elliott Trudeau Intl

1 stop

8h 05m
C$ 537

Air Canada

Deal found 6/12

Cheap United Airlines flights from Montreal to Seattle

5 Apr. - 13 Apr.
YUL

Montreal Pierre Elliott Trudeau Intl

SEA

Seattle/Tacoma Intl

1 stop

9h 12m
SEA

Seattle/Tacoma Intl

YUL

Montreal Pierre Elliott Trudeau Intl

1 stop

9h 38m
C$ 534

United Airlines

Deal found 6/12

1 Jun. - 6 Jun.
YUL

Montreal Pierre Elliott Trudeau Intl

SEA

Seattle/Tacoma Intl

Nonstop

5h 59m
SEA

Seattle/Tacoma Intl

YUL

Montreal Pierre Elliott Trudeau Intl

Nonstop

5h 00m
C$ 538

United Airlines

Deal found 4/12

24 Apr. - 3 May
YUL

Montreal Pierre Elliott Trudeau Intl

SEA

Seattle/Tacoma Intl

1 stop

18h 27m
SEA

Seattle/Tacoma Intl

YUL

Montreal Pierre Elliott Trudeau Intl

1 stop

8h 24m
C$ 542

United Airlines

Deal found 6/12

Direct flights to Seattle from Montreal

Save time with Montreal to Seattle direct flight deals
21 Dec. - 27 Dec.
YUL

Montreal Pierre Elliott Trudeau Intl

SEA

Seattle/Tacoma Intl

Nonstop

6h 02m
SEA

Seattle/Tacoma Intl

YUL

Montreal Pierre Elliott Trudeau Intl

Nonstop

5h 00m
C$ 518

Air Canada

Deal found 6/12

21 Dec. - 27 Dec.
YUL

Montreal Pierre Elliott Trudeau Intl

SEA

Seattle/Tacoma Intl

Nonstop

6h 02m
SEA

Seattle/Tacoma Intl

YUL

Montreal Pierre Elliott Trudeau Intl

Nonstop

5h 00m
C$ 519

United Airlines

Deal found 5/12

1 Jun. - 6 Jun.
YUL

Montreal Pierre Elliott Trudeau Intl

SEA

Seattle/Tacoma Intl

Nonstop

5h 59m
SEA

Seattle/Tacoma Intl

YUL

Montreal Pierre Elliott Trudeau Intl

Nonstop

5h 00m
C$ 538

United Airlines

Deal found 4/12

Last minute flights from Montreal to Seattle

Late deals on round-trip flights to Seattle from Montreal, departing today and this week
17 Dec. - 22 Dec.
YUL

Montreal Pierre Elliott Trudeau Intl

SEA

Seattle/Tacoma Intl

Nonstop

6h 02m
SEA

Seattle/Tacoma Intl

YUL

Montreal Pierre Elliott Trudeau Intl

Nonstop

5h 00m
C$ 592

Air Canada

Deal found 4/12

15 Dec. - 20 Dec.
YUL

Montreal Pierre Elliott Trudeau Intl

SEA

Seattle/Tacoma Intl

1 stop

8h 18m
SEA

Seattle/Tacoma Intl

YUL

Montreal Pierre Elliott Trudeau Intl

1 stop

9h 08m
C$ 599

Multiple Airlines

Deal found 5/12

17 Dec. - 22 Dec.
YUL

Montreal Pierre Elliott Trudeau Intl

SEA

Seattle/Tacoma Intl

1 stop

14h 18m
SEA

Seattle/Tacoma Intl

YUL

Montreal Pierre Elliott Trudeau Intl

Nonstop

5h 00m
C$ 640

Multiple Airlines

Deal found 4/12

One-way flights to Seattle from Montreal

The cheapest one-way flights from Montreal to Seattle
3 May
YUL

Montreal Pierre Elliott Trudeau Intl

SEA

Seattle/Tacoma Intl

1 stop

26h 44m
C$ 234

Multiple Airlines

Deal found 5/12

4 May
YUL

Montreal Pierre Elliott Trudeau Intl

SEA

Seattle/Tacoma Intl

1 stop

14h 46m
C$ 251

American Airlines

Deal found 5/12

2 May
YUL

Montreal Pierre Elliott Trudeau Intl

SEA

Seattle/Tacoma Intl

1 stop

8h 41m
C$ 253

American Airlines

Deal found 5/12

Related info for your journey

Useful info, stats and facts about Montreal to Seattle flights.

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

Located just 18.4 km from the city centre, Seattle/Tacoma Intl is the airport most travellers will use when flying to Seattle from Montreal. Booking flights from Montreal to Seattle/Tacoma Intl (SEA) should be relatively easy as there is 1 daily inbound flight from Montreal from 7 different airlines.

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

Some of the carriers operating flights from Montreal to Seattle/Tacoma Intl that may be offering flexible cancellation policies are Air Canada, United Airlines, and Delta. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

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

Yes, there are multiple flights from Montreal to Seattle for under C$ 500. The cheapest flight booked recently is on American Airlines for just C$ 425, but on average you can expect to pay C$ 479.

Are there direct flights from Montreal to Seattle for under C$ 600 on Cheapflights?

Cheapflights has 20 direct flights from Montreal to Seattle under C$ 600. A good price for a direct flight from Montreal to Seattle is less than C$ 771.

Are there last-minute flights available from Montreal to Seattle for under C$ 600?

There are currently 20+ open flights from Montreal to Seattle within the next 7 days for less than C$ 600.

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

American Airlines, at C$ 425, was found to be the cheapest airline from Montreal to Seattle.Alternate airlines to your destination round-trip include Alaska Airlines and WestJet. American Airlines is 36% cheaper than the average price of flights available within the next 90 days to this destination.

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

The cheapest airlines for a one-way flight from Montreal to Seattle are American Airlines (C$ 251), WestJet (C$ 279), and Air Canada (C$ 293).

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

Consider Endeavor Airlines, American Airlines or Air Canada when booking your flight. These represent the most popular airlines when flying from Montreal to Seattle.

What are the cheapest flights from Montreal to Seattle?

While on average a flight from Montreal to Seattle is generally C$ 563, our data shows the cheapest flight currently is C$ 290. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl), you can expect to pay C$ 430 for that flight.

Alternative routes for Montreal to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Montreal to Seattle

The chart below displays the airlines Cheapflights users travelling from Montreal to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Air CanadaCheapestC$ 431AverageC$ 680FlexibilityNo cancel feeOn-time67%COVID-19 safety
Search Air Canada flights
United AirlinesCheapestC$ 449AverageC$ 685FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
DeltaCheapestC$ 473AverageC$ 688FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
Endeavor AirlinesCheapestC$ 701AverageC$ 853FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Endeavor Airlines flights

Hourly flight availability from Montreal to Seattle

See what time of day planes typically take off from Montreal to Seattle
0%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
100%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Montreal to Seattle

See how many times per day planes take to the skies headed from Montreal to Seattle
Sunday0daily flights
Monday2daily flights
Tuesday0daily flights
Wednesday2daily flights
Thursday2daily flights
Friday0daily flights
Saturday2daily flights