
$287 Cheap United flights Boston (BOS) to Seattle (SEA)
$287 Cheap United flights Boston (BOS) to Seattle (SEA)
Prices were available within the past 7 days and start at $287 for one-way flights and $597 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Apr 5 - Thu, Apr 9
BOS
Boston
SEA
Seattle
$597 Roundtrip, found 8 hours ago
$597
Roundtrip
found 8 hours ago
Alternative airports near Seattle
Prices were available within the past 7 days. Prices and availability are subject to change.
Find the cheapest month to fly from Boston (BOS) to Seattle (SEA)
March is typically the cheapest month to fly
From $156 - $307 per traveler.
Travel information
Origin airport | Logan Intl. |
|---|---|
Destination airport | Seattle - Tacoma Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, JetBlue Airways, Southwest Airlines, United |
Popular airline | Delta |
Distance | 3980 km |
Average flight time | 4 hours 51 mins |
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Most Popular United Routes from Boston
Most Popular United Routes from Seattle
- Newark Liberty Intl. Airport to Springfield (EWR - SGF)
- Harrisburg to Denver (MDT - DEN)
- Mobile to Denver (MOB - DEN)
- Seattle to Albuquerque (SEA - ABQ)
- Knoxville to Bangkok (TYS - BKK)
- Fort Lauderdale to Ottawa (FLL - YOW)
- Seattle to Phoenix (SEA - PHX)
- Colorado Springs to Los Angeles (COS - LAX)
- New York to Chicago (LGA - ORD)
- Memphis to Orlando (MEM - MCO)
Popular Domestic Routes in Seattle - Tacoma Intl.
- Eugene to Chicago (EUG - ORD)
- New York to Springfield (LGA - SGF)
- New York to Orlando (LGA - MCO)
- Knoxville to Bangkok (TYS - BKK)
- Harrisburg to Denver (MDT - DEN)
- Atlanta to Buffalo (ATL - BUF)
- Newark Liberty Intl. Airport to Springfield (EWR - SGF)
- Memphis to Orlando (MEM - MCO)
- Seattle to Los Angeles (SEA - LAX)
- Fargo to Los Angeles (FAR - LAX)