Direct flights from Boston to Seattle (BOS → SEA)

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

Available flights

JetBlue AirwaysNon-stop
from$172
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Frequently asked questions

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

Cheapest fares Boston → Seattle

Boston BOS
Seattle SEA
May from $244 June from $178 July from $203 August from $185 September — October —

Related guides for this route

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

Cheap flights from Boston to Seattle Cheapest month to fly to Seattle 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 Boston

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

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

Or try a nearby airport to Seattle

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

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

Other flights from Seattle (SEA)

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