Cheap Flights from Montreal, QC to Seattle, WA from $198
On Cheapflightsplus.com you will find 2 direct and 998 connecting flights from Montreal to Seattle. You can compare airfare deals from 7 airlines and multiple travel sites from $198, book and save on cheap plane tickets and last minute offers. Also check out YMQ-SEA flight schedule to find best flight time, convenient departure and arrival airports.
Flight Information
Below we will explain in detail what the flights cost on the destination from Montreal to Seattle depends on and how to choose the most interesting flight option for you.
Distance between Montreal and Seattle is 3677 miles. Time difference between the cities is 3h. Airplanes depart 05:00 to 22:30 from 4 Montreal airports and arrive 05:00 to 22:30 to 3 Seattle airports. Average flight time is 5h 49m.
- The fastest flight 5h 46m
- Average flight time 5h 49m
- The earliest flight 05:00
- The latest flight 22:30
- Distance 2285 ml
Best Flights from Montreal to Seattle Today
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $315 | 16:45 Montreal Pierre Elliott Trudeau | 19:37 Seattle Seattle-Tacoma Intl | 5h 52m | Air Canada | AC515 |
| from $347 | 16:45 Montreal Pierre Elliott Trudeau | 19:31 Seattle Seattle-Tacoma Intl | 5h 46m | United Airlines | UA8085 |
| from $241 | 17:30 Montreal Pierre Elliott Trudeau | 16:09+1 день Seattle Seattle-Tacoma Intl | 25h 39m layover 18h 51m - Calgary | WestJet | WS213 WS3617 |
| from $242 | 17:45 Montreal Pierre Elliott Trudeau | 09:59+1 день Seattle Seattle-Tacoma Intl | 19h 14m layover 10h 33m - Phoenix | Air Canada | AC1277 F93973 |
| from $198 | 13:10 Montreal Pierre Elliott Trudeau | 12:39+1 день Seattle Seattle-Tacoma Intl | 26h 29m layover 1h 0m - Toronto 17h 41m - Chicago | Porter Airlines | PD2466 PD2393 HA6295 |
| from $217 | 06:45 Montreal Pierre Elliott Trudeau | 12:58+1 день Seattle Seattle-Tacoma Intl | 33h 13m layover 21h 49m - Kitchener 3h 52m - Calgary | WestJet | WS579 WS567 WS1550 |
The cheapest months to travel to Seattle are october (from 198 $), june (from 217 $), august (from 219 $).
The most expensive months are november (from 467 $), january (from 430 $), february (from 322 $).
What is the lowest airfare Montreal to Seattle?
The cheapest plane ticket found by our users is $198. This airfare is for economy class on one-way PD2466 flight by Porter Airlines for October 7, 2025 which leaves Pierre Elliott Trudeau in Montreal at 13:10 am and arrives at Seattle Seattle-Tacoma Intl at 12:39.
Flight Schedule Montreal (Quebec) to Seattle (Washington)
from$217
from$225
from$230
from$232
from$236
from$236
from$219
from$230
from$198
from$222
from$226
from$232
from$223
from$315
from$347
Popular Airlines on the Route
The flight Montreal — Seattle is served by 7 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Air Canada - 248 departures per week at the price of from $ 223 . And the most expensive tickets are offered by Air Transat airline - from $ 544.
Direct flights
There are 2 nonstop flights on the route. The fastest direct flight is UA8085 by United Airlines takes 5h 46m and the cheapest is PD2466 by Porter Airlines for $315.
- AC - Air Canadafrom $315Find
- UA - United Airlinesfrom $347Find
Connecting Flights
There are 998 flights with layovers on the route. The fastest connecting flight is AC303 by Air Canada takes 7h 23m and the cheapest is PD2466 by Porter Airlines for $198.
- AC - Air Canadafrom $223Find
- PD - Porter Airlinesfrom $198Find
- P6 - P6from $388Find
- DM - Aero-Charterfrom $502Find
- WS - WestJetfrom $217Find
- UA - United Airlinesfrom $258Find
- TS - Air Transatfrom $232Find
Airports
You can fly from Montreal to Seattle from 4 airports (St Lambert Rail Svce., Pierre Elliott Trudeau, Mirabel, St Hubert).
Montreal airports
- St Lambert Rail Svce.-XLMFind
- Pierre Elliott Trudeau-YULfrom $198Find
- Mirabel-YMXFind
- St Hubert-YHUfrom $388Find
Seattle airports
- Boeing Field International Airport-BFIFind
- Seattle-Tacoma Intl-SEAFind
- Kenmore Air Harbor SPB-LKEFind
Airplanes
There are flights to Seattle from Montreal by 7 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top International Destinations from Montreal
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
- from $73Find
- from $60Find
- from $68Find
- from $73Find
- from $56Find
- from $80Find
- from $75Find
- from $77Find
- from $70Find
- from $72Find
How to book a plane ticket yourself?
- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
To find a plane ticket, please select dates.