- Plan, book, fly with confidence
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Alaska Airlines flights from Seattle to Boston (SEA→BOS)
Prices were available within the past 7 days and start at CA $171 for one-way flights and CA $341 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Sat., May 17 - Sun., May 25
SEA
Seattle
BOS
Boston
CA $341 Roundtrip, found 5 days ago
CA $341
Roundtrip
found 5 days ago
Sat., May 17 - Sun., May 25
SEA
Seattle
BOS
Boston
CA $342 Roundtrip, found 5 days ago
CA $342
Roundtrip
found 5 days ago
Tue., May 27 - Thu., May 29
SEA
Seattle
BOS
Boston
CA $356 Roundtrip, found 13 hours ago
CA $356
Roundtrip
found 13 hours ago
Mon., May 19 - Wed., May 28
SEA
Seattle
BOS
Boston
CA $365 Roundtrip, found 1 day ago
CA $365
Roundtrip
found 1 day ago
Wed., Jun. 11 - Tue., Jun. 17
SEA
Seattle
BOS
Boston
CA $366 Roundtrip, found 4 days ago
CA $366
Roundtrip
found 4 days ago
Mon., May 19 - Wed., May 28
SEA
Seattle
BOS
Boston
CA $378 Roundtrip, found 1 day ago
CA $378
Roundtrip
found 1 day ago
Origin airport | Seattle - Tacoma Intl. |
Destination airport | Logan Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, JetBlue Airways, Spirit Airlines, Sun Country Airlines, United |
Popular airline | Alaska Airlines |
Distance | 3980 km |
- Trending Alaska Airlines Flights
- Trending Routes
- Other Airlines
- Main Airports for Alaska Airlines Flights
- Flights from Other Cities
- Expedia's Latest Trends
Most Popular Alaska Airlines Routes from Seattle
Most Popular Alaska Airlines Routes from Boston
- Vancouver to Las Vegas (YVR - LAS)
- Calgary to Puerto Vallarta (YYC - PVR)
- Vancouver to Puerto Vallarta (YVR - PVR)
- Toronto to Honolulu (YYZ - HNL)
- Vancouver to San Francisco (YVR - SFO)
- Edmonton to Las Vegas (YEG - LAS)
- Toronto to Las Vegas (YYZ - LAS)
- Calgary to Los Angeles (YYC - LAX)
- Toronto to Los Angeles (YYZ - LAX)
- Vancouver to San José del Cabo (YVR - SJD)
Popular Domestic Routes in Logan Intl.
- Vancouver to San Francisco (YVR - SFO)
- Calgary to Puerto Vallarta (YYC - PVR)
- Toronto to Las Vegas (YYZ - LAS)
- Vancouver to Cancun (YVR - CUN)
- Vancouver to Honolulu (YVR - HNL)
- Edmonton to Las Vegas (YEG - LAS)
- Toronto to Honolulu (YYZ - HNL)
- Vancouver to Los Angeles (YVR - LAX)
- Calgary to Los Angeles (YYC - LAX)
- Toronto to San Francisco (YYZ - SFO)
Main Airports for Alaska Airlines Flights
Expedia's Latest Trends
Flights
Flights from Ottawa to Las VegasFlights from Vancouver to San DiegoFlights from Vancouver to Las VegasFlights from Hamilton to Las VegasFlights from Toronto to PhiladelphiaFlights from Toronto to SeattleFlights from Toronto to San DiegoFlights from Toronto to Myrtle BeachFlights from Toronto to New YorkFlights from Montreal to Las VegasFlights from Detroit to Las VegasFlights from Vancouver to SeattleFlights from Montreal to Fort LauderdaleFlights from Kelowna to Las VegasFlights from Fort Lauderdale to TorontoFlights from Vancouver to BostonFlights from Winnipeg to Las VegasFlights from Calgary to DallasFlights from Calgary to SeattleFlights from Buffalo to Fort LauderdaleFlights from Toronto to Fort LauderdaleFlights from Bellingham to Las VegasFlights from Seattle to DelhiFlights from Vancouver to Palm SpringsFlights from Vancouver to DallasFlights from Toronto to Las VegasFlights from Buffalo to Las VegasFlights from Las Vegas to TorontoFlights from Edmonton to SeattleFlights from Victoria to Las Vegas
*Available to Expedia members.