Direct flights from Seattle to Boston (SEA → BOS)

Distance 4,004 km (2,488 mi)
Est. duration 4h 43m
SEA
Seattle
Seattle Tacoma International, USA
BOS
Boston
Boston Logan International Airport, USA
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Live fares · SEA → BOS

Available flights

Southwest AirlinesNon-stop
from$277
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Frequently asked questions

How far is the flight from Seattle to Boston? The flight distance from SEA to BOS is approximately 4,004 km (2,488 miles).
How long is the flight from SEA to BOS? The estimated flight time from Seattle to Boston is approximately 4h 43m.
What airlines fly from SEA to BOS? Airlines operating direct flights from Seattle to Boston include: AS, B6, DL.

Cheapest fares Seattle → Boston

Seattle SEA
Boston BOS
May from $201 June from $148 July from $210 August from $179 September — October —

Related guides for this route

Sibling pages from across Flightmaps — fares, visa rules, country aggregations, and per-airline routes for Seattle → Boston.

Cheap flights from Seattle to Boston Cheapest month to fly to Boston Flights from USA Flights to USA Visa-free with USA passport All airports in USA AS routes & destinations All routes by this carrier B6 routes & destinations All routes by this carrier DL routes & destinations All routes by this carrier

Try a nearby airport to Seattle

Flights to Boston (BOS) from other airports within 350 km of Seattle. Often unlocks cheaper fares or better times.

PAE → BOS 52 km from SEA Everett → Boston USA · 9 destinations BLI → BOS 151 km from SEA Bellingham → Boston USA · 7 destinations YYJ → BOS 157 km from SEA Victoria → Boston Canada · 15 destinations YVR → BOS 205 km from SEA Vancouver → Boston Canada · 123 destinations PDX → BOS 207 km from SEA Portland → Boston USA · 90 destinations

Or try a nearby airport to Boston

Flights from Seattle (SEA) to other airports within 350 km of Boston.

SEA → MHT 71 km from BOS Seattle → Manchester USA · 15 destinations SEA → ORH 71 km from BOS Seattle → Worcester USA · 5 destinations SEA → PVD 79 km from BOS Seattle → Providence USA · 38 destinations SEA → PSM 81 km from BOS Seattle → Portsmouth USA · 6 destinations SEA → HYA 99 km from BOS Seattle → Hyannis USA · 8 destinations

Other flights from Seattle (SEA)

Albuquerque (ABQ) Amsterdam (AMS) Anchorage (ANC) Arcata (ACV) Atlanta (ATL) Austin (AUS) Baltimore (BWI) Barcelona (BCN) All 139 destinations →

Other flights from Boston (BOS)

Abu Dhabi (AUH) Amsterdam (AMS) Anchorage (ANC) Anguilla (AXA) Aruba (AUA) Asheville (AVL) Athens (ATH) Atlanta (ATL) All 153 destinations →