
$204 Cheap Alaska Airlines flights Boston (BOS) to Seattle (SEA)
$204 Cheap Alaska Airlines flights Boston (BOS) to Seattle (SEA)
Prices were available within the past 7 days and start at $204 for one-way flights and $353 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, May 20 - Tue, May 26
BOS
Boston
SEA
Seattle
$353 Roundtrip, found 1 day ago
$353
Roundtrip
found 1 day ago

Wed, May 20 - Sun, May 24
BOS
Boston
SEA
Seattle
$360 Roundtrip, found 1 day ago
$360
Roundtrip
found 1 day ago

Wed, Jun 3 - Sat, Jun 13
BOS
Boston
SEA
Seattle
$372 Roundtrip, found 3 days ago
$372
Roundtrip
found 3 days ago

Thu, Jun 18 - Tue, Jun 23
BOS
Boston
SEA
Seattle
$377 Roundtrip, just found
$377
Roundtrip
just found

Sat, May 23 - Tue, May 26
BOS
Boston
SEA
Seattle
$390 Roundtrip, found 1 day ago
$390
Roundtrip
found 1 day ago

Thu, Jun 18 - Mon, Jun 29
BOS
Boston
SEA
Seattle
$397 Roundtrip, just found
$397
Roundtrip
just found
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, Southwest Airlines, United |
Popular airline | Delta |
Distance | 3980 km |
Average flight time | 4 hours 43 mins |
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Most Popular Alaska Airlines Routes from Boston
Most Popular Alaska Airlines Routes from Seattle
- Oakland to Newark Liberty Intl. Airport (OAK - EWR)
- Pasco to Hilo (PSC - ITO)
- Seattle to Los Angeles (SEA - LAX)
- Omaha to Seattle (OMA - SEA)
- Milwaukee to Las Vegas (MKE - LAS)
- Orlando to Los Angeles (MCO - LAX)
- Seattle to San Antonio (SEA - SAT)
- Springfield to Sacramento (SGF - SMF)
- Ontario to Portland (ONT - PDX)
- San Diego to Fayetteville (SAN - XNA)
Popular Domestic Routes in Seattle - Tacoma Intl.
- Palm Springs to New York (PSP - JFK)
- Milwaukee to Las Vegas (MKE - LAS)
- Omaha to Seattle (OMA - SEA)
- Ontario to Portland (ONT - PDX)
- Seattle to Los Angeles (SEA - LAX)
- Phoenix to Boise (PHX - BOI)
- Milwaukee to Las Vegas (MKE - LAS)
- Pasco to Hilo (PSC - ITO)
- Idaho Falls to Ontario (IDA - ONT)
- Oakland to Newark Liberty Intl. Airport (OAK - EWR)