Cheap flights to Seattle – Compare and Save
— SEA
22 Nov — 29 Nov1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Flights to Seattle in 2025
Find the latest flights to Seattle in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 23 October 2025.
Round-trip from | C$ 300 |
|---|---|
One-way from | C$ 214 |
Popular in | December |
Cheapest in | February |
Average price | C$ 461 |
Good round-trip deal | C$ 355 or less |
Good one-way deal | C$ 315 or less |
- WestJet
- 2/12-7/12
- 3 total stops
- 21h 23m total
- Toronto to Seattle
- WestJet
- 3/12
- 2 total stops
- 19h 05m total
- Toronto to Seattle
Highest demand for flights based on searches. 3% potential increase in price.
Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from Toronto to Seattle/Tacoma Intl.
Price to beat on a one-way flight from Toronto to Seattle/Tacoma Intl.
Find flight deals to Seattle
Enter your travel dates to find the best prices.
Cheapest flights to SeattleExplore the most affordable flight options available to Seattle. Find the lowest fares based on data from user searches, with prices last updated on 23 October 2025.
Explore the most affordable flight options available to Seattle. Find the lowest fares based on data from user searches, with prices last updated on 23 October 2025.
Tue 2/127:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Sun 7/123:10 p.m.SEA - YYZ
2 stops11h 48mWestJet
Deal found 22/10C$ 300
Mon 24/117:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Sat 29/113:20 p.m.SEA - YYZ
2 stops11h 38mWestJet
Deal found 22/10C$ 301
Sun 7/127:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Wed 10/123:10 p.m.SEA - YYZ
2 stops11h 48mWestJet
Deal found 21/10C$ 302
Fri 5/127:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Fri 12/123:10 p.m.SEA - YYZ
2 stops11h 48mWestJet
Deal found 20/10C$ 311
Thu 4/127:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Thu 11/123:10 p.m.SEA - YYZ
2 stops11h 48mWestJet
Deal found 22/10C$ 312
Mon 1/127:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Mon 8/123:10 p.m.SEA - YYZ
2 stops11h 48mWestJet
Deal found 21/10C$ 314
Fri 21/117:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Mon 24/113:10 p.m.SEA - YYZ
2 stops12h 48mWestJet
Deal found 21/10C$ 316
Fri 14/117:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Fri 21/1111:55 a.m.SEA - YYZ
1 stop16h 03mWestJet
Deal found 21/10C$ 322
Fri 14/117:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Fri 21/1111:55 a.m.SEA - YYZ
2 stops8h 44mWestJet
Deal found 21/10C$ 323
Sat 22/1110:15 p.m.YYZ - SEA
1 stop19h 05mWestJet
Sat 29/113:20 p.m.SEA - YYZ
2 stops11h 38mWestJet
Deal found 22/10C$ 325
Thu 13/117:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Fri 14/1111:55 a.m.SEA - YYZ
1 stop16h 03mWestJet
Deal found 22/10C$ 326
Mon 24/117:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Sat 29/113:20 p.m.SEA - YYZ
2 stops11h 38mWestJet
Deal found 22/10C$ 328
Best flights to SeattleDiscover carefully curated flight deals to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 23 October 2025.
Discover carefully curated flight deals to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 23 October 2025.
Tue 18/114:45 p.m.YYZ - SEA
Nonstop5h 20mAlaska Airlines
Tue 25/117:57 a.m.SEA - YYZ
Nonstop4h 38mAlaska Airlines
Deal found 21/10C$ 360
Sat 22/116:05 p.m.YYZ - SEA
1 stop7h 18mDelta
Fri 28/116:00 a.m.SEA - YYZ
1 stop7h 02mDelta
Deal found 22/10C$ 371
Tue 18/115:55 p.m.YYZ - SEA
1 stop10h 04mUnited Airlines
Sat 22/1112:10 a.m.SEA - YYZ
1 stop10h 33mUnited Airlines
Deal found 23/10C$ 389
Thu 4/126:20 a.m.YKF - SEA
1 stop11h 00mWestJet
Sun 7/1211:55 a.m.SEA - YKF
2 stops14h 33mWestJet
Deal found 22/10C$ 445
Wed 3/1210:30 a.m.YTZ - SEA
2 stops26h 01mAir Canada
Wed 10/128:00 p.m.SEA - YTZ
2 stops10h 42mAir Canada
Deal found 20/10C$ 449
Fri 5/127:05 a.m.YKF - SEA
1 stop10h 15mMultiple Airlines
Fri 12/1211:55 a.m.SEA - YKF
2 stops14h 33mMultiple Airlines
Deal found 20/10C$ 491
Wed 19/116:00 a.m.YYZ - SEA
1 stop11h 29mDelta
Fri 28/116:00 a.m.SEA - YYZ
1 stop7h 02mDelta
Deal found 22/10C$ 371
Thu 13/114:45 p.m.YYZ - SEA
Nonstop5h 20mAlaska Airlines
Sat 15/117:55 a.m.SEA - YYZ
Nonstop4h 40mAlaska Airlines
Deal found 22/10C$ 371
Sun 23/114:45 p.m.YYZ - SEA
Nonstop5h 32mAlaska Airlines
Tue 25/117:57 a.m.SEA - YYZ
Nonstop4h 38mAlaska Airlines
Deal found 22/10C$ 371
Thu 20/116:30 a.m.YYZ - SEA
1 stop7h 24mDelta
Fri 28/116:00 a.m.SEA - YYZ
1 stop7h 02mDelta
Deal found 22/10C$ 371
Wed 12/114:45 p.m.YYZ - SEA
Nonstop5h 20mAlaska Airlines
Fri 14/117:55 a.m.SEA - YYZ
Nonstop4h 40mAlaska Airlines
Deal found 22/10C$ 371
Wed 3/1212:30 p.m.YTZ - SEA
2 stops24h 01mAir Canada
Wed 10/128:00 p.m.SEA - YTZ
2 stops12h 42mAir Canada
Deal found 20/10C$ 451
Mon 24/116:20 a.m.YKF - SEA
1 stop11h 00mWestJet
Sun 30/113:10 p.m.SEA - YKF
1 stop11h 18mWestJet
Deal found 20/10C$ 466
Mon 24/114:45 p.m.YYZ - SEA
Nonstop5h 32mAlaska Airlines
Sat 29/117:57 a.m.SEA - YYZ
Nonstop4h 38mAlaska Airlines
Deal found 22/10C$ 371
Fri 16/17:05 a.m.YKF - SEA
2 stops30h 18mMultiple Airlines
Sun 25/13:10 p.m.SEA - YKF
1 stop11h 18mMultiple Airlines
Deal found 22/10C$ 496
Mon 2/36:30 p.m.YTZ - SEA
2 stops23h 31mAir Canada
Tue 3/38:00 p.m.SEA - YTZ
2 stops12h 42mAir Canada
Deal found 21/10C$ 455
Thu 20/114:45 p.m.YYZ - SEA
Nonstop5h 20mAlaska Airlines
Sat 29/117:57 a.m.SEA - YYZ
Nonstop4h 38mAlaska Airlines
Deal found 22/10C$ 371
Fri 5/127:05 a.m.YKF - SEA
2 stops15h 11mMultiple Airlines
Fri 12/123:40 p.m.SEA - YKF
2 stops21h 20mMultiple Airlines
Deal found 20/10C$ 497
Thu 5/26:20 a.m.YKF - SEA
1 stop10h 59mWestJet
Mon 9/23:10 p.m.SEA - YKF
1 stop11h 19mWestJet
Deal found 23/10C$ 500
Mon 2/38:30 p.m.YTZ - SEA
2 stops21h 31mAir Canada
Tue 3/38:00 p.m.SEA - YTZ
2 stops12h 42mAir Canada
Deal found 22/10C$ 456
Sun 23/114:45 p.m.YYZ - SEA
Nonstop5h 32mAlaska Airlines
Sat 29/117:57 a.m.SEA - YYZ
Nonstop4h 38mAlaska Airlines
Deal found 22/10C$ 371
Fri 5/127:05 a.m.YKF - SEA
2 stops15h 11mMultiple Airlines
Fri 12/123:40 p.m.SEA - YKF
2 stops21h 20mMultiple Airlines
Deal found 20/10C$ 497
Mon 24/116:10 p.m.YHM - SEA
1 stop23h 10mWestJet
Sat 29/113:20 p.m.SEA - YHM
1 stop22h 57mWestJet
Deal found 22/10C$ 508
Fri 5/128:30 p.m.YTZ - SEA
2 stops21h 01mAir Canada
Fri 12/125:50 a.m.SEA - YTZ
2 stops9h 23mAir Canada
Deal found 20/10C$ 493
Fri 5/127:05 a.m.YKF - SEA
2 stops15h 11mMultiple Airlines
Fri 12/123:40 p.m.SEA - YKF
2 stops21h 20mMultiple Airlines
Deal found 20/10C$ 501
Thu 20/114:45 p.m.YYZ - SEA
Nonstop5h 20mAlaska Airlines
Mon 1/127:57 a.m.SEA - YYZ
Nonstop4h 38mAlaska Airlines
Deal found 22/10C$ 381
Mon 24/116:20 a.m.YKF - SEA
1 stop11h 00mWestJet
Sun 30/1111:55 a.m.SEA - YKF
2 stops14h 33mWestJet
Deal found 20/10C$ 525
Wed 10/126:10 p.m.YHM - SEA
1 stop23h 10mWestJet
Sat 13/123:20 p.m.SEA - YHM
1 stop22h 57mWestJet
Deal found 23/10C$ 536
Thu 20/1110:30 a.m.YTZ - SEA
2 stops11h 46mAir Canada
Thu 27/118:00 p.m.SEA - YTZ
2 stops19h 13mAir Canada
Deal found 20/10C$ 560
Wed 3/124:30 p.m.YTZ - SEA
3 stops24h 50mMultiple Airlines
Wed 10/128:00 p.m.SEA - YTZ
2 stops12h 42mMultiple Airlines
Deal found 20/10C$ 571
Direct flights to SeattleExplore direct flight options to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 23 October 2025.
Explore direct flight options to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 23 October 2025.
Sat 22/117:50 p.m.YYZ - SEA
Nonstop5h 26mMultiple Airlines
Sat 29/117:57 a.m.SEA - YYZ
Nonstop4h 38mMultiple Airlines
Deal found 21/10C$ 344
Sat 22/117:50 p.m.YYZ - SEA
Nonstop5h 26mAir Canada
Sat 29/118:10 a.m.SEA - YYZ
Nonstop4h 43mAir Canada
Deal found 22/10C$ 346
Sat 22/117:50 p.m.YYZ - SEA
Nonstop5h 26mAir Canada
Sat 29/118:10 a.m.SEA - YYZ
Nonstop4h 43mAir Canada
Deal found 21/10C$ 349
Fri 21/114:45 p.m.YYZ - SEA
Nonstop5h 32mAlaska Airlines
Mon 24/117:57 a.m.SEA - YYZ
Nonstop4h 38mAlaska Airlines
Deal found 21/10C$ 350
Tue 25/114:45 p.m.YYZ - SEA
Nonstop5h 32mAlaska Airlines
Tue 2/127:55 a.m.SEA - YYZ
Nonstop4h 40mAlaska Airlines
Deal found 22/10C$ 354
Fri 16/14:45 p.m.YYZ - SEA
Nonstop5h 36mAlaska Airlines
Sun 25/17:55 a.m.SEA - YYZ
Nonstop4h 40mAlaska Airlines
Deal found 22/10C$ 357
Sat 22/114:45 p.m.YYZ - SEA
Nonstop5h 32mAlaska Airlines
Sat 29/117:57 a.m.SEA - YYZ
Nonstop4h 38mAlaska Airlines
Deal found 22/10C$ 358
Tue 18/114:45 p.m.YYZ - SEA
Nonstop5h 20mAlaska Airlines
Tue 25/117:57 a.m.SEA - YYZ
Nonstop4h 38mAlaska Airlines
Deal found 21/10C$ 360
Thu 13/114:45 p.m.YYZ - SEA
Nonstop5h 20mAlaska Airlines
Tue 18/117:55 a.m.SEA - YYZ
Nonstop4h 40mAlaska Airlines
Deal found 23/10C$ 368
Wed 12/114:45 p.m.YYZ - SEA
Nonstop5h 20mAlaska Airlines
Sun 16/117:55 a.m.SEA - YYZ
Nonstop4h 40mAlaska Airlines
Deal found 22/10C$ 370
Thu 20/114:45 p.m.YYZ - SEA
Nonstop5h 20mAlaska Airlines
Tue 25/117:57 a.m.SEA - YYZ
Nonstop4h 38mAlaska Airlines
Deal found 22/10C$ 371
Fri 5/124:45 p.m.YYZ - SEA
Nonstop5h 33mAlaska Airlines
Fri 12/127:55 a.m.SEA - YYZ
Nonstop4h 40mAlaska Airlines
Deal found 20/10C$ 378
Last-minute flights to SeattleDiscover last-minute flight deals to Seattle. Data last updated 23 October 2025 and is based on user searches.
Discover last-minute flight deals to Seattle. Data last updated 23 October 2025 and is based on user searches.
Thu 13/117:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Fri 14/1111:55 a.m.SEA - YYZ
1 stop16h 03mWestJet
Deal found 22/10C$ 326
Fri 14/117:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Fri 21/1111:55 a.m.SEA - YYZ
1 stop16h 03mWestJet
Deal found 21/10C$ 322
Fri 14/117:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Fri 21/1111:55 a.m.SEA - YYZ
2 stops8h 44mWestJet
Deal found 21/10C$ 323
Fri 21/117:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Mon 24/113:10 p.m.SEA - YYZ
2 stops12h 48mWestJet
Deal found 21/10C$ 316
Sat 22/1110:15 p.m.YYZ - SEA
1 stop19h 05mWestJet
Sat 29/113:20 p.m.SEA - YYZ
2 stops11h 38mWestJet
Deal found 22/10C$ 325
Sat 22/1110:15 p.m.YYZ - SEA
1 stop19h 05mWestJet
Sat 29/113:20 p.m.SEA - YYZ
2 stops11h 38mWestJet
Deal found 22/10C$ 329
Sat 22/1110:15 p.m.YYZ - SEA
1 stop19h 05mWestJet
Sat 29/113:20 p.m.SEA - YYZ
2 stops11h 38mWestJet
Deal found 22/10C$ 335
Sun 23/117:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Sun 30/1111:55 a.m.SEA - YYZ
2 stops8h 44mWestJet
Deal found 22/10C$ 336
Mon 24/117:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Sat 29/113:20 p.m.SEA - YYZ
2 stops11h 38mWestJet
Deal found 22/10C$ 301
Mon 24/117:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Sat 29/113:20 p.m.SEA - YYZ
2 stops11h 38mWestJet
Deal found 22/10C$ 328
Mon 24/117:45 a.m.YYZ - SEA
1 stop9h 35mMultiple Airlines
Sat 29/117:57 a.m.SEA - YYZ
Nonstop4h 38mMultiple Airlines
Deal found 22/10C$ 333
Tue 25/117:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Tue 2/123:10 p.m.SEA - YYZ
1 stop12h 03mWestJet
Deal found 22/10C$ 330
One-way flights to SeattleSearch for one-way flight options to Seattle. Find affordable one-way fares based on user searches. Data last updated 23 October 2025.
Search for one-way flight options to Seattle. Find affordable one-way fares based on user searches. Data last updated 23 October 2025.
Wed 3/1210:15 p.m.YYZ - SEA
2 stops19h 05mWestJet
Deal found 23/10C$ 214
Sun 16/117:05 a.m.YKF - SEA
1 stop10h 15mMultiple Airlines
Deal found 23/10C$ 216
Sat 15/114:45 p.m.YYZ - SEA
Nonstop5h 20mAlaska Airlines
Deal found 22/10C$ 216
Fri 14/116:30 a.m.YYZ - SEA
1 stop10h 50mWestJet
Deal found 22/10C$ 217
Sun 30/116:30 p.m.YYZ - SEA
1 stop22h 50mWestJet
Deal found 21/10C$ 218
Sat 6/126:30 a.m.YYZ - SEA
1 stop11h 10mWestJet
Deal found 22/10C$ 220
Thu 13/116:30 a.m.YYZ - SEA
1 stop10h 50mWestJet
Deal found 20/10C$ 221
Wed 3/121:30 p.m.YYZ - SEA
1 stop27h 50mWestJet
Deal found 23/10C$ 223
Thu 13/114:45 p.m.YYZ - SEA
Nonstop5h 20mAlaska Airlines
Deal found 23/10C$ 225
Sat 29/1110:15 p.m.YYZ - SEA
2 stops15h 07mWestJet
Deal found 22/10C$ 227
Wed 12/116:10 p.m.YYZ - SEA
1 stop8h 49mDelta
Deal found 22/10C$ 228
Sat 15/116:30 a.m.YYZ - SEA
1 stop9h 27mDelta
Deal found 23/10C$ 230