Find flight deals from Toronto to Seattle

Cheapest flights from Toronto to Seattle
Explore the most affordable flight options available from Toronto to Seattle. Find the lowest fares from popular airlines and budget airlines, 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 from Toronto to Seattle
Discover carefully curated flight deals from Toronto 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 3/612:10 p.m.YYZ - SEA

1 stop11h 14mDelta

Sat 7/66:00 a.m.SEA - YYZ

1 stop7h 58mDelta

Deal found 12/5C$ 401

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

Thu 29/59:45 a.m.YYZ - SEA

1 stop29h 01mMultiple Airlines

Tue 3/63:20 p.m.SEA - YYZ

1 stop12h 00mMultiple Airlines

Deal found 12/5C$ 433

Thu 29/56:20 p.m.YYZ - SEA

1 stop7h 49mAmerican Airlines

Mon 2/61:10 a.m.SEA - YYZ

1 stop12h 15mAmerican Airlines

Deal found 12/5C$ 470

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

Wed 11/66:00 a.m.YHM - SEA

1 stop9h 58mWestJet

Mon 16/67:05 a.m.SEA - YHM

1 stop14h 36mWestJet

Deal found 12/5C$ 343

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

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

Direct flights from Toronto to Seattle
Explore direct flight options from Toronto 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 from Toronto to Seattle
Discover last-minute flight deals from Toronto 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 from Toronto to Seattle
Search for one-way flight options from Toronto to Seattle. Find affordable one-way fares based on user searches. Data last updated 12 May 2025.

Sun 15/66:00 a.m.YHM - SEA

1 stop9h 58mWestJet

Deal found 12/5C$ 188

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

Sun 10/86:00 a.m.YHM - SEA

1 stop9h 57mWestJet

Deal found 12/5C$ 237

Thu 19/61:00 p.m.YYZ - SEA

1 stop10h 41mAir Canada

Deal found 12/5C$ 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

Sun 22/66:45 a.m.YYZ - SEA

1 stop8h 50mWestJet

Deal found 12/5C$ 241

Sun 1/66:00 a.m.YHM - SEA

1 stop9h 58mWestJet

Deal found 12/5C$ 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

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Cheap flights from Toronto to Seattle – Compare and Save

Find flight deals from Toronto to Seattle

Cheapest flights from Toronto to SeattleExplore the most affordable flight options available from Toronto to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 May 2025.

Explore the most affordable flight options available from Toronto to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 May 2025.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Toronto to Seattle
Explore the most affordable flight options available from Toronto to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 May 2025.