Photo by Port of Seattle
$197 Cheap United flights Boston (BOS) to Seattle (SEA)
$197 Cheap United flights Boston (BOS) to Seattle (SEA)
Prices were available within the past 7 days and start at $197 for one-way flights and $422 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Wed, Aug 5 - Mon, Aug 17
BOS
Boston
SEA
Seattle
$422 Roundtrip, found 1 day ago
$422
Roundtrip
found 1 day ago
Find the cheapest month to fly from Boston (BOS) to Seattle (SEA)
September is typically the cheapest month to fly
From $256 - $367 per traveler.
Travel information
Origin airport | Logan Intl. |
|---|---|
Destination airport | Seattle - Tacoma Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United |
Popular airline | Delta |
Distance | 3980 km |
Average flight time | 4 hours 23 mins |
Explore a world of travel with Expedia
Most Popular United Routes from Seattle
- Delhi to Newark Liberty Intl. Airport (DEL - EWR)
- Carlsbad to Tucson (CLD - TUS)
- Vail to Portland (EGE - PWM)
- Denver to Rochester (DEN - ROC)
- Newark Liberty Intl. Airport to Port of Spain (EWR - POS)
- Tulsa to Ithaca (TUL - ITH)
- Ontario Intl. Airport to Shreveport (ONT - SHV)
- Erie to Rome (ERI - FCO)
- Traverse City to Denver (TVC - DEN)
- Idaho Falls to Tampa (IDA - TPA)
Popular Domestic Routes in Seattle - Tacoma Intl.
- South Bend to Tampa (SBN - TPA)
- Houston to Chicago (IAH - ORD)
- Denver to Rochester (DEN - ROC)
- Vail to Portland (EGE - PWM)
- Atlanta to Fort Lauderdale (ATL - FLL)
- Carlsbad to Tucson (CLD - TUS)
- Newark Liberty Intl. Airport to Orlando (EWR - MCO)
- New York to Port of Spain (LGA - POS)
- Erie to Rome (ERI - FCO)
- Vail to Portland (EGE - PWM)