$104+ Cheap flights from Canada to Seattle (SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SEA
Oct 28 — Nov 41
Round-trip
1 adult, Economy
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Find cheap flights from Canada to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Canada to Seattle
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Cheapest flights from Canada to SeattleExplore the most affordable flight options available from Canada to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
Explore the most affordable flight options available from Canada to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
This Super.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:45 am -
1 stop5h 55m
Fri 11/272:30 pm -
1 stop7h 50m
Deal found 9/25![WestJet logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:00 am -
1 stop4h 40m
Sun 10/1810:30 am -
1 stop5h 25m
Deal found 9/25![WestJet logo]()
$195
This FlightHub deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:45 am -
1 stop5h 55m
Sun 12/62:30 pm -
1 stop18h 10m
Deal found 9/27![WestJet logo]()
$197
This Trip.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:25 pm -
1 stop17h 15m
Wed 11/182:30 pm -
1 stop7h 50m
Deal found 9/27![WestJet logo]()
$198
This Trip.com deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:40 pm -
1 stop5h 05m
Sun 10/187:35 pm -
1 stop4h 40m
Deal found 9/26![WestJet logo]()
$203
This FlightHub deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:15 am -
2 stops9h 30m
Sun 10/1110:30 am -
1 stop5h 25m
Deal found 9/24![WestJet logo]()
$208
This Justfly.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:45 pm -
Nonstop0h 55m
Sun 11/222:30 pm -
Nonstop2h 40m
Deal found 9/25![WestJet logo]()
$213
This Expedia deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/186:45 am -
1 stop6h 55m
Sun 12/2011:00 am -
Nonstop2h 20m
Deal found 9/25![WestJet logo]()
$215
This Justfly.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/171:45 pm -
Nonstop0h 55m
Sun 11/222:30 pm -
Nonstop2h 40m
Deal found 9/25![WestJet logo]()
$215
This Justfly.com deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/221:45 pm -
Nonstop0h 55m
Sun 12/62:30 pm -
Nonstop2h 40m
Deal found 9/26![WestJet logo]()
$216
This United Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:55 pm -
1 stop2h 27m
Mon 11/163:15 pm -
1 stop5h 12m
Deal found 9/25![United Airlines logo]()
$219
This Air Canada deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/112:05 pm -
1 stop5h 27m
Wed 10/145:50 am -
1 stop4h 59m
Deal found 9/27![Air Canada logo]()
$219
Best flights from Canada to SeattleDiscover carefully curated flight deals from Canada to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
Discover carefully curated flight deals from Canada to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
This Expedia deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/188:05 am -
Nonstop1h 25m
Sun 12/2011:00 am -
Nonstop2h 20m
Deal found 9/25![WestJet logo]()
$210
This United Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/261:15 pm -
1 stop5h 07m
Mon 11/23:15 pm -
1 stop5h 12m
Deal found 9/26![United Airlines logo]()
$235
This United deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/102:20 pm -
1 stop6h 55m
Sun 10/115:50 am -
Nonstop1h 10m
Deal found 9/25![Multiple Airlines logo]()
$240
This Delta deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:20 am -
Nonstop1h 20m
Sun 10/187:59 pm -
Nonstop1h 14m
Deal found 9/26![Delta logo]()
$256
This Alaska Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:20 pm -
Nonstop1h 06m
Sun 10/251:28 pm -
Nonstop0h 57m
Deal found 9/23![Alaska Airlines logo]()
$259
This Air Canada deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:40 am -
1 stop5h 52m
Tue 11/173:15 pm -
1 stop7h 17m
Deal found 9/26![Air Canada logo]()
$275
This United Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:55 pm -
2 stops19h 19m
Mon 11/1612:20 pm -
3 stops26h 48m
Deal found 9/25![United Airlines logo]()
$241
This United deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:22 pm -
1 stop6h 41m
Mon 10/195:50 am -
2 stops8h 12m
Deal found 9/27![Multiple Airlines logo]()
$242
This Alaska Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/167:00 am -
Nonstop0h 08m
Sun 1/1711:26 am -
Nonstop2h 09m
Deal found 9/24![Alaska Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:05 am -
1 stop4h 35m
Sun 10/187:35 pm -
1 stop4h 15m
Deal found 9/27![WestJet logo]()
$264
This United Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 am -
1 stop16h 15m
Sun 10/255:05 am -
1 stop15h 48m
Deal found 9/26![United Airlines logo]()
$241
This Air Canada deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:40 am -
1 stop5h 47m
Tue 11/33:15 pm -
2 stops6h 54m
Deal found 9/28![Air Canada logo]()
$278
This Alaska Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:00 am -
Nonstop0h 57m
Sat 12/55:54 pm -
Nonstop2h 43m
Deal found 9/24![Alaska Airlines logo]()
$260
This Delta deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/253:45 pm -
Nonstop1h 15m
Sun 11/17:59 pm -
Nonstop2h 14m
Deal found 9/27![Delta logo]()
$286
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:22 pm -
2 stops21h 13m
Fri 10/232:27 pm -
1 stop6h 21m
Deal found 9/24![United Airlines logo]()
$242
This WestJet deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/132:55 pm -
1 stop5h 50m
Fri 10/1610:30 am -
1 stop4h 55m
Deal found 9/27![WestJet logo]()
$279
This United deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:15 pm -
1 stop8h 12m
Sun 10/1810:50 am -
Nonstop1h 10m
Deal found 9/23![Multiple Airlines logo]()
$285
This Air Canada deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:40 am -
1 stop5h 47m
Thu 10/293:15 pm -
2 stops7h 04m
Deal found 9/26![Air Canada logo]()
$286
This Delta deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:40 pm -
1 stop8h 19m
Tue 11/311:50 pm -
1 stop9h 58m
Deal found 9/24![Delta logo]()
$292
This Alaska Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:00 am -
Nonstop0h 06m
Thu 2/49:40 pm -
Nonstop2h 05m
Deal found 9/27![Alaska Airlines logo]()
$271
This United Airlines deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:50 am -
2 stops12h 07m
Sun 11/13:35 pm -
2 stops18h 03m
Deal found 9/26![United Airlines logo]()
$256
This Alaska Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/262:35 pm -
Nonstop0h 07m
Fri 11/2711:29 am -
Nonstop2h 06m
Deal found 9/27![Alaska Airlines logo]()
$274
This Air Canada deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/232:15 pm -
1 stop4h 07m
Sat 12/263:15 pm -
1 stop5h 12m
Deal found 9/27![Air Canada logo]()
$304
This United deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:00 am -
1 stop7h 49m
Mon 12/147:05 pm -
2 stops15h 50m
Deal found 9/23![Multiple Airlines logo]()
$306
This United Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:40 pm -
2 stops9h 18m
Sun 12/65:05 am -
2 stops27h 03m
Deal found 9/27![United Airlines logo]()
$256
This Delta deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:50 pm -
Nonstop1h 55m
Tue 10/209:24 am -
1 stop4h 51m
Deal found 9/27![Delta logo]()
$313
This Trip.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:00 pm -
1 stop26h 45m
Thu 10/157:35 pm -
2 stops11h 10m
Deal found 9/24![WestJet logo]()
$318
This United Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:30 pm -
2 stops19h 44m
Mon 11/95:05 am -
1 stop9h 16m
Deal found 9/25![United Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:50 pm -
Nonstop1h 55m
Thu 10/229:24 am -
1 stop5h 46m
Deal found 9/25![Delta logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:40 pm -
Nonstop0h 01m
Sun 12/611:29 am -
Nonstop2h 06m
Deal found 9/27![Alaska Airlines logo]()
$286
Last-minute flights from Canada to SeattleDiscover last-minute flight deals from Canada to Seattle. Data last updated September 28, 2026 and is based on user searches.
Discover last-minute flight deals from Canada to Seattle. Data last updated September 28, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:15 am -
2 stops9h 30m
Sun 10/1110:30 am -
1 stop5h 25m
Deal found 9/24![WestJet logo]()
$208
This Air Canada deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/112:05 pm -
1 stop5h 27m
Wed 10/145:50 am -
1 stop4h 59m
Deal found 9/27![Air Canada logo]()
$219
This Trip.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/118:45 am -
Nonstop1h 55m
Tue 10/137:35 pm -
Nonstop1h 40m
Deal found 9/27![WestJet logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:00 am -
1 stop4h 40m
Sun 10/1810:30 am -
1 stop5h 25m
Deal found 9/25![WestJet logo]()
$195
This Super.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:00 pm -
1 stop4h 45m
Sun 10/187:35 pm -
1 stop4h 09m
Deal found 9/27![WestJet logo]()
$222
This Trip.com deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:40 pm -
1 stop5h 05m
Sun 10/187:35 pm -
1 stop4h 40m
Deal found 9/26![WestJet logo]()
$203
This Cheapflightsfares deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:00 pm -
1 stop4h 45m
Tue 10/207:35 pm -
1 stop4h 09m
Deal found 9/27![WestJet logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:05 am -
1 stop4h 35m
Fri 10/237:35 pm -
1 stop4h 15m
Deal found 9/27![WestJet logo]()
$228
This Trip.com deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:50 pm -
Nonstop1h 55m
Sun 10/258:02 am -
Nonstop1h 41m
Deal found 9/28![Multiple Airlines logo]()
$230
This Gotogate deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/252:35 pm -
1 stop4h 47m
Mon 10/267:05 pm -
1 stop4h 44m
Deal found 9/26![Air Canada logo]()
$223
This Air Canada deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:00 am -
1 stop4h 27m
Sun 11/13:15 pm -
1 stop7h 24m
Deal found 9/27![Air Canada logo]()
$228
This Flightnetwork deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:00 am -
1 stop4h 27m
Sat 11/213:15 pm -
1 stop7h 24m
Deal found 9/27![Air Canada logo]()
$227
One-way flights from Canada to SeattleSearch for one-way flight options from Canada to Seattle. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
Search for one-way flight options from Canada to Seattle. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
This Trip.com deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:45 am -
1 stop5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![WestJet logo]()
$104
This Cheapflightsfares deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:45 am -
Nonstop1h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![WestJet logo]()
$116
This Super.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/109:15 am -
2 stops9h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![WestJet logo]()
$117
This Super.com deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:40 pm -
1 stop5h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![WestJet logo]()
$118
This Trip.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:00 am -
1 stop4h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![WestJet logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:15 am -
2 stops7h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![WestJet logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:40 pm -
1 stop5h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![WestJet logo]()
$122
This FlightHub deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:00 am -
1 stop4h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![WestJet logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:50 pm -
Nonstop1h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![WestJet logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 am -
2 stops7h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![WestJet logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:45 am -
1 stop5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![WestJet logo]()
$126
This deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:45 am -
Nonstop1h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![WestJet logo]()
$126
Find flight deals from Canada to Seattle
Keep the following information in mind while searching for Canada to Seattle flight deals. Data was last updated September 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $159 (Super.com) |
One-way from | $104 (Trip.com) |
Popular in | June |
Cheapest in | February |
Average price | $389 |
Good round-trip deal | $337 or less |
Good one-way deal | $186 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Canada to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 28, 2026.
Use the filters below to find and compare flights from Canada to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KelownaSeattle
YLW Kelowna - SEA Seattle/Tacoma Intl
YLWSEA
Kelowna
Fri 11/6
2:15 pm-5:22 pm
1 stop4h 07m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$132
KelownaSeattle
YLW Kelowna - SEA Seattle/Tacoma Intl
YLWSEA
Kelowna
Thu 2/18
3:37 pm-2:53 pm
Nonstop0h 16m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$135
CalgarySeattle
YYC Calgary - SEA Seattle/Tacoma Intl
YYCSEA
Calgary
Fri 11/20
9:00 am-7:57 am
Nonstop0h 57m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$138
KelownaSeattle
YLW Kelowna - SEA Seattle/Tacoma Intl
YLWSEA
Kelowna
Mon 11/9
3:55 pm-5:22 pm
1 stop2h 27m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$140
VancouverSeattle
YVR Vancouver Intl - SEA Seattle/Tacoma Intl
YVRSEA
Vancouver Intl
Thu 10/15
6:00 am-7:08 am
Nonstop1h 08m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$141
VancouverSeattle
YVR Vancouver Intl - SEA Seattle/Tacoma Intl
YVRSEA
Vancouver Intl
Mon 10/12
6:00 am-7:08 am
Nonstop1h 08m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$150
VancouverSeattle
YVR Vancouver Intl - SEA Seattle/Tacoma Intl
YVRSEA
Vancouver Intl
Sat 10/24
8:00 am-9:15 pm
1 stop13h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$152
VancouverSeattle
YVR Vancouver Intl - SEA Seattle/Tacoma Intl
YVRSEA
Vancouver Intl
Wed 1/6
7:00 am-6:08 am
Nonstop0h 08m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$155
Quickest round-trip
VancouverSeattle
YVR Vancouver Intl - SEA Seattle/Tacoma Intl
YVRSEA
Vancouver Intl
Fri 12/25
2:35 pm-1:40 pm
Nonstop0h 05m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$155
CalgarySeattle
YYC Calgary - SEA Seattle/Tacoma Intl
YYCSEA
Calgary
Mon 10/26
3:30 pm-11:14 am
2 stops20h 44m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$156
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Canada to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Canada with our price prediction graph.
YLW-SEA
YVR-SEA
YYC-SEA
YEG-SEA
YHZ-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Canada to Seattle
CA0-SEA
YLW-SEA
YVR-SEA
YYC-SEA
YEG-SEA
What is the cheapest month to book a flight from Canada to Seattle?
Currently, February is the cheapest month in which you can book a flight from Canada to Seattle (average of $255). Flying from Canada to Seattle in June is currently the most expensive (average of $446). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CA to SEA?
Find hourly flight availability from Canada to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 28, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 48% on flights from Canada to Seattle by exploring options for tickets in the evening.
Weekly flight availability from Canada to Seattle
Explore weekly flight availability from Canada to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 28, 2026.
The most flights from CA0 to SEA are scheduled on a Thursday (4 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 on average).
How often are flights from Canada to Seattle delayed?
About 18% of weekly flights between Canada and Seattle have experienced delays in the past year, with the average delay time being 126 minutes.
What is the most punctual flight time for Canada to Seattle flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Canada to Seattle flights?
Over the last year, Alaska Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.
How far ahead should I book a flight from Canada to Seattle?
Booking 63 days in advance of your planned departure date is, on average, the best time to get cheap flights from Canada to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest day to fly from Canada to Seattle?
Use this chart to determine the cheapest time to fly round-trip from Canada to Seattle. Price data was last updated on September 26, 2026.
Travelers seeking maximum savings on their Canada to Seattle flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated September 28, 2026.
Read through reviews of airlines operating flights from Canada to Seattle, such as Alaska Airlines,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
LHR - SEA
Comfort
7.8
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
LHR - SEA
Comfort
7.8
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
LHR - SEA
Comfort
7.8
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
LHR - SEA
Comfort
7.8
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
LHR - SEA
Comfort
7.8
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jun 2026
LHR - SEA
Related info for your journey
Find useful and relevant information for your journey from Canada to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
Poulsbo
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Alternative routes for Canada to Seattle
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Complete your trip
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Search flights from Canada to Seattle by cabin class
Find flights from Canada to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Canada and Seattle flights
Browse other Canada and Seattle flight options. Last updated on September 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 28, 2026.
Canada to Seattle flights
Consider these flights traveling from Canada to Seattle.
Top 5 airlines flying from Canada to Seattle
Discover the top 5 airlines that operate flights from Canada to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$105 | Average$393 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$164 | Average$419 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$172 | Average$326 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$209 | Average$486 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$219 | Average$464 | FlexibilityNo cancel fee | On-time69% |