Cheap Flights from Seattle, WA to Montreal, QC from $220

Return flight: Montreal – Seattle

On Cheapflightsplus.com you will find 43 connecting flights from Seattle to Montreal. You can compare airfare deals from 5 airlines and multiple travel sites from $220, book and save on cheap plane tickets and last minute offers. Also check out SEA-YMQ flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Seattle to Montreal Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $220 (one-way), $377 (round-trip).
Direct flights
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Full flight schedule will help you in detecting at what time planes fly from Seattle to Montreal. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
05:02 — 17:08
05:00 — 08:47 UA2269 United Airlines
Seattle — Denver
2h 41m stop
11:25 — 17:08 UA8668 United Airlines
Denver — Montreal
9h 6m
including layover
Find flight
from$330
06:15 — 17:17
06:15 — 14:33 AS280 Alaska Airlines
Seattle — Newark
1h 7m stop
15:40 — 17:17 UA8157 United Airlines
Newark — Montreal
8h 2m
including layover
Find flight
from$1316
07:00 — 18:47
07:00 — 13:04 UA1448 United Airlines
Seattle — Chicago
2h 31m stop
15:35 — 18:47 UA8458 United Airlines
Chicago — Montreal
8h 47m
including layover
Find flight
from$455
07:00 — 21:17
07:00 — 13:04 UA1448 United Airlines
Seattle — Chicago
4h 54m stop
17:58 — 21:17 UA3634 United Airlines
Chicago — Montreal
11h 17m
including layover
Find flight
from$455
08:10 — 19:48
08:10 — 16:09 UA1102 United Airlines
Seattle — Washington D.C.
1h 43m stop
17:52 — 19:48 UA3602 United Airlines
Washington D.C. — Montreal
8h 38m
including layover
Find flight
from$455
12:20 — 08:40
+1 day
12:20 — 20:32 UA2033 United Airlines
Seattle — Newark
10h 23m stop
06:55 — 08:40 UA8410 United Airlines
Newark — Montreal
17h 20m
including layover
Find flight
from$485
15:15 — 13:29
+1 day
15:15 — 17:55 WS1553 WestJet
Seattle — Calgary
13h 15m stop
07:10 — 13:29 PD384 Porter Airlines
Calgary — Montreal
19h 14m
including layover
Find flight
from$220
15:15 — 13:29
+1 day
15:15 — 17:55 WS1553 WestJet
Seattle — Calgary
13h 15m stop
07:10 — 13:29 TS7384 Air Transat
Calgary — Montreal
19h 14m
including layover
Find flight
from$248
18:37 — 16:35
+1 day
18:37 — 21:11 NK782 Spirit Airlines
Seattle — Las Vegas
11h 39m stop
08:50 — 16:35 TS7778 Air Transat
Las Vegas — Montreal
18h 58m
including layover
Find flight
from$280
19:51 — 16:35
+1 day
14:55 — 17:32 F94830 Frontier Airlines
Seattle — Las Vegas
10h 16m stop
08:50 — 16:35 TS7778 Air Transat
Las Vegas — Montreal
17h 44m
including layover
Find flight
from$223
20:10 — 16:35
+1 day
20:10 — 22:40 AS798 Alaska Airlines
Seattle — Las Vegas
10h 10m stop
08:50 — 16:35 TS7778 Air Transat
Las Vegas — Montreal
17h 25m
including layover
Find flight
from$396
22:47 — 16:41
+1 day
22:47 — 23:52 AS3307 Alaska Airlines
Seattle — Vancouver
8h 53m stop
08:45 — 16:41 PD372 Porter Airlines
Vancouver — Montreal
14h 54m
including layover
Find flight
from$410
23:20 — 15:58
+1 day
22:36 — 06:43 UA341 United Airlines
Seattle — Newark
6h 58m stop
14:22 — 15:58 UA3715 United Airlines
Newark — Montreal
13h 38m
including layover
Find flight
from$364
23:35 — 14:55
+1 day
21:40 — 06:20 AS520 Alaska Airlines
Seattle — Miami
3h 10m stop
11:30 — 14:55 F81101 Freedom Airlines
Miami — Montreal
12h 20m
including layover
Find flight
from$279
06:00 — 00:30
+1 day
06:00 — 08:46 NK801 Spirit Airlines
Seattle — Los Angeles
4h 29m stop
13:15 — 21:00 PD664 Porter Airlines
Los Angeles — Toronto
2h 5m stop
23:05 — 00:30 PD135 Porter Airlines
Toronto — Montreal
15h 30m
including layover
Find flight
from$262
09:37 — 14:40
+1 day
09:37 — 13:25 F93406 Frontier Airlines
Seattle — Denver
11h 34m stop
00:59 — 06:46 F91734 Frontier Airlines
Denver — Orlando
4h 44m stop
11:30 — 14:40 TS821 Air Transat
Orlando — Montreal
26h 3m
including layover
Find flight
from$335
11:30 — 13:29
+1 day
11:30 — 12:36 WS3731 WestJet
Seattle — Kelowna
1h 4m stop
13:40 — 15:53 WS3810 WestJet
Kelowna — Calgary
15h 17m stop
07:10 — 13:29 TS7384 Air Transat
Calgary — Montreal
22h 59m
including layover
Find flight
from$298
12:37 — 10:32
+1 day
12:37 — 14:55 UA1482 United Airlines
Seattle — San Francisco
2h 10m stop
17:05 — 23:31 UA1482 United Airlines
San Francisco — Chicago
7h 49m stop
07:20 — 10:32 UA8452 United Airlines
Chicago — Montreal
18h 55m
including layover
Find flight
from$455
14:00 — 19:05
+1 day
13:55 — 16:36 F91178 Frontier Airlines
Seattle — Los Angeles
14h 50m stop
07:35 — 15:26 PD662 Porter Airlines
Los Angeles — Toronto
2h 14m stop
17:40 — 19:05 PD131 Porter Airlines
Toronto — Montreal
26h 5m
including layover
Find flight
from$237
16:58 — 10:32
+1 day
16:58 — 19:10 UA2482 United Airlines
Seattle — San Francisco
3h 25m stop
22:35 — 04:53 UA2482 United Airlines
San Francisco — Chicago
2h 27m stop
07:20 — 10:32 UA8452 United Airlines
Chicago — Montreal
14h 34m
including layover
Find flight
from$455
16:58 — 14:47
+1 day
16:58 — 19:10 UA2482 United Airlines
Seattle — San Francisco
3h 25m stop
22:35 — 04:53 UA2482 United Airlines
San Francisco — Chicago
6h 42m stop
11:35 — 14:47 UA8344 United Airlines
Chicago — Montreal
18h 49m
including layover
Find flight
from$455
17:14 — 09:00
+1 day
17:14 — 19:43 AS730 Alaska Airlines
Seattle — Las Vegas
2h 42m stop
22:25 — 05:42 PD656 Porter Airlines
Las Vegas — Toronto
1h 53m stop
07:35 — 09:00 PD111 Porter Airlines
Toronto — Montreal
12h 46m
including layover
Find flight
from$432
19:55 — 14:55
+1 day
19:55 — 20:50 AS958 Alaska Airlines
Seattle — Portland
49m stop
21:39 — 06:30 AS1075 Alaska Airlines
Portland — Miami
5h stop
11:30 — 14:55 F81101 Freedom Airlines
Miami — Montreal
16h
including layover
Find flight
from$361
21:25 — 19:05
+1 day
21:25 — 00:12 AS1292 Alaska Airlines
Seattle — Los Angeles
7h 23m stop
07:35 — 15:26 PD662 Porter Airlines
Los Angeles — Toronto
2h 14m stop
17:40 — 19:05 PD131 Porter Airlines
Toronto — Montreal
18h 40m
including layover
Find flight
from$297
*Departure and arrival times - local. Updated on March 1, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Seattle to Montreal depends on and how to choose the most interesting flight option for you.

Distance between Seattle and Montreal is 3677 miles. Time difference between the cities is 3h. Airplanes depart 05:02 to 23:59 from 3 Seattle airports and arrive 05:02 to 23:59 to 4 Montreal airports. Average flight time is 17h 20m.

  • The fastest flight 7h 19m
  • Average flight time 17h 20m
  • The earliest flight 05:02
  • The latest flight 23:59
  • Distance 2285 ml

The cheapest months to travel to Montreal are december (from 220 $), november (from 223 $), february (from 237 $).

The most expensive months are january (from 279 $), february (from 237 $), november (from 223 $).

What is the lowest airfare Seattle to Montreal?

The cheapest plane ticket found by our users is $220. This airfare is for economy class on one-way WS1553 flight by WestJet for February 21, 2025 which leaves Seattle-Tacoma Intl in Seattle at 15:15 am and arrives at Montreal Pierre Elliott Trudeau at 13:29.

Economy class
$220
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Business class
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First class
?
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Popular Airlines on the Route

The flight Seattle — Montreal is served by 5 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 12 departures per week at the price of from $ 279 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 1316.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 43 flights with layovers on the route. The fastest connecting flight is UA1448 by United Airlines takes 7h 19m and the cheapest is WS1553 by WestJet for $220.

  • AS - Alaska Airlines
    from $279
    Find
  • F9 - Frontier Airlines
    from $223
    Find
  • WS - WestJet
    from $220
    Find
  • UA - United Airlines
    from $330
    Find
  • NK - Spirit Airlines
    from $262
    Find
See more connecting flights

Airports

You can fly from Seattle to Montreal from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).

Seattle airports

  • Boeing Field International Airport-BFI
    Find
  • Seattle-Tacoma Intl-SEA
    from $220
    Find
  • Kenmore Air Harbor SPB-LKE
    Find

Montreal airports

  • St Lambert Rail Svce.-XLM
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  • Pierre Elliott Trudeau-YUL
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  • Mirabel-YMX
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  • St Hubert-YHU
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How to book a plane ticket yourself?

How to book an air 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.

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