Cheap flights to Seattle – Compare and Save
— SEA
17 May — 24 May1
Round-trip
1 adult
Economy
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 12 May 2025.
Round-trip from | C$ 308 |
---|---|
One-way from | C$ 224 |
Popular in | July |
Cheapest in | February |
Average price | C$ 552 |
Good round-trip deal | C$ 435 or less |
Good one-way deal | C$ 312 or less |
- WestJet
- 1/6-8/6
- 2 total stops
- 17h 34m total
- Toronto to Seattle
- WestJet
- 9/8
- 1 total stop
- 15h 49m total
- Toronto to Seattle
Highest demand for flights based on searches. 9% potential increase in price (C$ 73 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).
Average for round-trip flights in May 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
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 12 May 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 12 May 2025.
Tue 19/86:00 a.m.YHM - SEA
1 stop9h 58mWestJet
Tue 2/92:05 p.m.SEA - YHM
1 stop7h 35mWestJet
Deal found 12/5C$ 305
Sun 1/66:00 a.m.YHM - SEA
1 stop9h 58mWestJet
Sun 8/62:05 p.m.SEA - YHM
1 stop7h 36mWestJet
Deal found 10/5C$ 308
Sun 24/86:00 a.m.YHM - SEA
1 stop9h 58mWestJet
Fri 5/91:50 p.m.SEA - YHM
1 stop7h 50mWestJet
Deal found 10/5C$ 325
Wed 11/66:00 a.m.YHM - SEA
1 stop9h 58mWestJet
Mon 16/67:05 a.m.SEA - YHM
1 stop14h 36mWestJet
Deal found 11/5C$ 341
Fri 6/66:00 a.m.YKF - SEA
1 stop17h 28mWestJet
Sat 14/67:05 a.m.SEA - YKF
1 stop14h 41mWestJet
Deal found 11/5C$ 353
Thu 28/87:45 p.m.YKF - SEA
2 stops19h 46mWestJet
Tue 2/97:05 a.m.SEA - YKF
1 stop8h 50mWestJet
Deal found 11/5C$ 354
Tue 3/68:30 a.m.YYZ - SEA
Nonstop5h 21mAir Canada
Tue 3/61:45 p.m.SEA - YYZ
1 stop8h 24mAir Canada
Deal found 11/5C$ 358
Wed 17/96:00 a.m.YHM - SEA
1 stop9h 59mWestJet
Tue 23/92:05 p.m.SEA - YHM
1 stop7h 35mWestJet
Deal found 11/5C$ 359
Sun 1/62:00 p.m.YYZ - SEA
1 stop8h 37mAir Canada
Tue 3/611:35 a.m.SEA - YYZ
Nonstop4h 57mAir Canada
Deal found 11/5C$ 369
Thu 4/97:45 p.m.YKF - SEA
2 stops19h 48mWestJet
Sat 13/91:50 p.m.SEA - YKF
1 stop7h 55mWestJet
Deal found 11/5C$ 372
Sun 1/61:00 p.m.YYZ - SEA
1 stop9h 37mAir Canada
Tue 3/62:55 p.m.SEA - YYZ
1 stop7h 14mAir Canada
Deal found 11/5C$ 376
Tue 3/67:00 a.m.YYZ - SEA
1 stop7h 32mUnited Airlines
Tue 3/61:49 p.m.SEA - YYZ
1 stop7h 09mUnited Airlines
Deal found 11/5C$ 378
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 12 May 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 12 May 2025.
Sun 1/66:00 a.m.YHM - SEA
1 stop9h 58mWestJet
Sun 8/62:05 p.m.SEA - YHM
1 stop7h 36mWestJet
Deal found 10/5C$ 308
Tue 3/68:30 a.m.YYZ - SEA
Nonstop5h 21mAir Canada
Tue 3/61:45 p.m.SEA - YYZ
1 stop8h 24mAir Canada
Deal found 11/5C$ 358
Tue 3/67:00 a.m.YYZ - SEA
1 stop7h 32mUnited Airlines
Tue 3/61:49 p.m.SEA - YYZ
1 stop7h 09mUnited Airlines
Deal found 11/5C$ 378
Tue 10/66:05 p.m.YYZ - SEA
1 stop7h 17mDelta
Fri 20/66:00 a.m.SEA - YYZ
1 stop9h 34mDelta
Deal found 11/5C$ 400
Tue 10/64:45 p.m.YYZ - SEA
Nonstop5h 19mAlaska Airlines
Tue 17/67:17 a.m.SEA - YYZ
Nonstop4h 43mAlaska Airlines
Deal found 11/5C$ 422
Wed 11/66:00 a.m.YKF - SEA
1 stop9h 58mMultiple Airlines
Fri 13/61:15 p.m.SEA - YKF
1 stop13h 15mMultiple Airlines
Deal found 10/5C$ 449
Fri 30/56:20 p.m.YYZ - SEA
1 stop7h 49mAmerican Airlines
Sun 1/61:10 a.m.SEA - YYZ
1 stop8h 20mAmerican Airlines
Deal found 12/5C$ 481
Wed 11/66:00 a.m.YHM - SEA
1 stop9h 58mWestJet
Mon 16/67:05 a.m.SEA - YHM
1 stop14h 36mWestJet
Deal found 11/5C$ 341
Sun 1/62:00 p.m.YYZ - SEA
1 stop8h 37mAir Canada
Tue 3/611:35 a.m.SEA - YYZ
Nonstop4h 57mAir Canada
Deal found 11/5C$ 369
Tue 10/68:30 a.m.YYZ - SEA
Nonstop5h 21mUnited Airlines
Tue 17/69:45 a.m.SEA - YYZ
1 stop12h 06mUnited Airlines
Deal found 11/5C$ 382
Fri 6/66:00 a.m.YKF - SEA
1 stop17h 28mWestJet
Sat 14/67:05 a.m.SEA - YKF
1 stop14h 41mWestJet
Deal found 11/5C$ 353
Wed 18/63:31 p.m.YYZ - SEA
1 stop9h 51mDelta
Sun 22/611:53 p.m.SEA - YYZ
1 stop9h 02mDelta
Deal found 11/5C$ 401
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 12 May 2025.
Explore direct flight options to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 May 2025.
Fri 6/68:30 a.m.YYZ - SEA
Nonstop5h 21mAir Canada
Sat 14/611:35 a.m.SEA - YYZ
Nonstop4h 57mAir Canada
Deal found 11/5C$ 403
Tue 10/64:45 p.m.YYZ - SEA
Nonstop5h 19mAlaska Airlines
Tue 17/67:17 a.m.SEA - YYZ
Nonstop4h 43mAlaska Airlines
Deal found 11/5C$ 422
Fri 6/64:45 p.m.YYZ - SEA
Nonstop5h 19mAlaska Airlines
Sun 15/67:17 a.m.SEA - YYZ
Nonstop4h 43mAlaska Airlines
Deal found 11/5C$ 485
Tue 10/64:45 p.m.YYZ - SEA
Nonstop5h 19mAlaska Airlines
Mon 16/67:17 a.m.SEA - YYZ
Nonstop4h 43mAlaska Airlines
Deal found 11/5C$ 495
Thu 29/54:45 p.m.YYZ - SEA
Nonstop5h 19mAlaska Airlines
Tue 3/67:23 a.m.SEA - YYZ
Nonstop4h 37mAlaska Airlines
Deal found 12/5C$ 496
Sun 1/68:30 a.m.YYZ - SEA
Nonstop5h 21mMultiple Airlines
Tue 3/611:35 a.m.SEA - YYZ
Nonstop4h 57mMultiple Airlines
Deal found 11/5C$ 502
Tue 10/68:30 a.m.YYZ - SEA
Nonstop5h 21mMultiple Airlines
Tue 17/611:35 a.m.SEA - YYZ
Nonstop4h 57mMultiple Airlines
Deal found 11/5C$ 522
Sun 8/64:45 p.m.YYZ - SEA
Nonstop5h 19mAlaska Airlines
Sun 15/67:17 a.m.SEA - YYZ
Nonstop4h 43mAlaska Airlines
Deal found 11/5C$ 541
Wed 25/64:45 p.m.YYZ - SEA
Nonstop5h 24mAlaska Airlines
Wed 2/77:17 a.m.SEA - YYZ
Nonstop4h 43mAlaska Airlines
Deal found 11/5C$ 574
Fri 6/68:30 a.m.YYZ - SEA
Nonstop5h 21mAir Canada
Sun 15/611:35 a.m.SEA - YYZ
Nonstop4h 57mAir Canada
Deal found 11/5C$ 580
Sun 15/64:45 p.m.YYZ - SEA
Nonstop5h 24mAlaska Airlines
Tue 17/67:17 a.m.SEA - YYZ
Nonstop4h 43mAlaska Airlines
Deal found 11/5C$ 588
Thu 12/68:30 a.m.YYZ - SEA
Nonstop5h 21mAir Canada
Sun 15/611:35 a.m.SEA - YYZ
Nonstop4h 57mAir Canada
Deal found 11/5C$ 595
Last-minute flights to SeattleDiscover last-minute flight deals to Seattle. Data last updated 12 May 2025 and is based on user searches.
Discover last-minute flight deals to Seattle. Data last updated 12 May 2025 and is based on user searches.
Sun 18/512:00 p.m.YYZ - SEA
1 stop9h 35mMultiple Airlines
Tue 10/67:23 a.m.SEA - YYZ
Nonstop4h 37mMultiple Airlines
Deal found 11/5C$ 701
Sun 18/512:00 p.m.YYZ - SEA
1 stop9h 35mWestJet
Tue 10/62:05 p.m.SEA - YYZ
2 stops12h 46mWestJet
Deal found 11/5C$ 719
Sun 18/512:00 p.m.YYZ - SEA
1 stop9h 35mMultiple Airlines
Mon 9/612:34 a.m.SEA - YYZ
1 stop9h 01mMultiple Airlines
Deal found 11/5C$ 726
Sun 18/511:45 a.m.YYZ - SEA
1 stop12h 23mAmerican Airlines
Mon 9/612:05 a.m.SEA - YYZ
1 stop7h 54mAmerican Airlines
Deal found 11/5C$ 736
Wed 21/56:00 a.m.YKF - SEA
2 stops10h 43mWestJet
Tue 27/52:05 p.m.SEA - YKF
1 stop7h 41mWestJet
Deal found 10/5C$ 694
Wed 21/58:25 a.m.YYZ - SEA
Nonstop5h 20mUnited Airlines
Tue 27/511:23 p.m.SEA - YYZ
1 stop9h 36mUnited Airlines
Deal found 11/5C$ 722
Wed 21/56:00 a.m.YKF - SEA
1 stop9h 58mWestJet
Tue 27/52:05 p.m.SEA - YKF
1 stop7h 41mWestJet
Deal found 11/5C$ 726
Wed 21/58:25 a.m.YYZ - SEA
Nonstop5h 20mUnited Airlines
Tue 27/512:35 p.m.SEA - YYZ
2 stops20h 14mUnited Airlines
Deal found 11/5C$ 730
Wed 21/57:40 a.m.YYZ - SEA
2 stops19h 30mMultiple Airlines
Tue 27/56:00 a.m.SEA - YYZ
1 stop15h 12mMultiple Airlines
Deal found 10/5C$ 733
Thu 22/54:45 p.m.YYZ - SEA
Nonstop5h 19mAlaska Airlines
Wed 28/57:23 a.m.SEA - YYZ
Nonstop4h 37mAlaska Airlines
Deal found 11/5C$ 709
Thu 22/58:25 a.m.YYZ - SEA
Nonstop5h 20mUnited Airlines
Sun 25/58:00 a.m.SEA - YYZ
1 stop8h 05mUnited Airlines
Deal found 11/5C$ 716
Thu 22/52:10 p.m.YYZ - SEA
1 stop7h 43mUnited Airlines
Sun 25/511:50 p.m.SEA - YYZ
1 stop8h 59mUnited Airlines
Deal found 11/5C$ 725
One-way flights to SeattleSearch for one-way flight options to Seattle. Find affordable one-way fares based on user searches. Data last updated 12 May 2025.
Search for one-way flight options to Seattle. Find affordable one-way fares based on user searches. Data last updated 12 May 2025.
Sat 9/86:00 a.m.YHM - SEA
1 stop15h 49mWestJet
Deal found 11/5C$ 224
Sat 9/86:00 a.m.YHM - SEA
1 stop16h 14mWestJet
Deal found 11/5C$ 227
Wed 4/66:00 a.m.YHM - SEA
1 stop9h 58mWestJet
Deal found 11/5C$ 233
Thu 19/61:00 p.m.YYZ - SEA
1 stop10h 41mAir Canada
Deal found 11/5C$ 237
Thu 5/68:30 a.m.YYZ - SEA
Nonstop5h 21mUnited Airlines
Deal found 11/5C$ 238
Thu 24/76:00 a.m.YHM - SEA
1 stop15h 38mWestJet
Deal found 11/5C$ 240
Mon 16/66:00 a.m.YHM - SEA
1 stop9h 58mWestJet
Deal found 11/5C$ 242
Wed 4/67:20 p.m.YTZ - SEA
2 stops20h 38mAir Canada
Deal found 11/5C$ 242
Tue 22/78:00 a.m.YYZ - SEA
1 stop7h 58mWestJet
Deal found 11/5C$ 242
Sat 7/610:45 a.m.YYZ - SEA
2 stops13h 26mUnited Airlines
Deal found 11/5C$ 244
Sat 9/86:00 a.m.YKF - SEA
1 stop15h 49mWestJet
Deal found 11/5C$ 245
Thu 5/65:50 p.m.YYZ - SEA
1 stop9h 09mDelta
Deal found 11/5C$ 245