Direct flights from Boston to Seattle

Did you mean Flights from Seattle to Boston?

Boston

United States

BOS

General Edward Lawrence Logan International Airport

Seattle

United States

SEA

Seattle Tacoma International Airport

Route: Nonstop service available
Distance: 2,489 miles
Marketing airlines: 22 airlines
Aircraft: 11 aircraft types
Dates: Oct 19, 2026 – Oct 17, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Lowest price in this limited sample: 12,500 points + $5.00 for BOS → SEA, Economy, on 2026-11-13, booked with American Airlines. This is an observed fare, not a guaranteed price or the lowest price across all dates and programs.

Departure window: 2026-10-23 – 2026-11-21.

BOS → SEAEconomy
AS257
12,500 points+ $5.00
Departure
2026-11-13
Seats seen
3
Book with
American Airlines
Observed (UTC)
2026-10-22 04:22
BOS → SEAEconomy
AS459
12,500 points+ $5.00
Departure
2026-11-13
Seats seen
3
Book with
American Airlines
Observed (UTC)
2026-10-22 04:22
BOS → SEAEconomy
AS215
12,500 points+ $5.00
Departure
2026-11-13
Seats seen
3
Book with
American Airlines
Observed (UTC)
2026-10-22 04:22
BOS → SEAEconomy
AS459
12,500 points+ $5.00
Departure
2026-11-15
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 18:44
BOS → SEAEconomy
AS215
12,500 points+ $5.00
Departure
2026-11-17
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 05:37
BOS → SEAEconomy
AS459
12,500 points+ $5.00
Departure
2026-11-17
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 05:37
BOS → SEAEconomy
AS257
12,500 points+ $5.00
Departure
2026-11-17
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 05:37
BOS → SEAEconomy
AS257
12,500 points+ $5.00
Departure
2026-11-18
Seats seen
3
Book with
American Airlines
Observed (UTC)
2026-10-21 23:00
BOS → SEAEconomy
AS459
12,500 points+ $5.00
Departure
2026-11-18
Seats seen
3
Book with
American Airlines
Observed (UTC)
2026-10-21 23:00
BOS → SEAEconomy
AS215
17,500 points+ $5.00
Departure
2026-11-17
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 03:27
BOS → SEAEconomy
AS257
17,500 points+ $5.00
Departure
2026-11-17
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 03:27
BOS → SEAEconomy
AS459
17,500 points+ $5.00
Departure
2026-11-17
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 03:27

Boston to Seattle route overview

General Edward Lawrence Logan International Airport (BOS) serves Boston; Seattle Tacoma International Airport (SEA) serves Seattle.

The airports are 2,489 miles apart by great-circle distance.

Roame's current schedule feed shows nonstop service from BOS to SEA.

Marketing airlines listed in the current schedule, including codeshare sellers, are American Airlines (AA), Air France (AF), Alaska Airlines (AS), Finnair (AY), JetBlue (B6), British Airways (BA), Cathay Pacific (CX), Condor (DE), Delta Air Lines (DL), Aer Lingus (EI), Etihad Airways (EY), Japan Airlines (JL), Korean Air (KE), KLM (KL), LATAM Chile (LA), El Al (LY), Qatar Airways (QR), Scandinavian Airlines (SK), TAP Portugal (TP), United Airlines (UA), Virgin Atlantic (VS) and Southwest Airlines (WN). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Oct 19, 2026 – Oct 17, 2027.

Marketing airlines on the Boston to Seattle route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.

American Airlines (AA)Codeshare only
Air France (AF)Codeshare only
Finnair (AY)Codeshare only
British Airways (BA)Codeshare only
Cathay Pacific (CX)Codeshare only
Condor (DE)Codeshare only
Aer Lingus (EI)Codeshare only
Etihad Airways (EY)Codeshare only
Japan Airlines (JL)Codeshare only
Korean Air (KE)Codeshare only
KLM (KL)Codeshare only
LATAM Chile (LA)Codeshare only
El Al (LY)Codeshare only
Qatar Airways (QR)Codeshare only
Scandinavian Airlines (SK)Codeshare only
TAP Portugal (TP)Codeshare only
Virgin Atlantic (VS)Codeshare only

Airline alliance affiliations represented: Oneworld, SkyTeam, Star Alliance

Aircraft flying from BOS to SEA

Frequently asked questions

Which airports serve the Boston to Seattle route?

General Edward Lawrence Logan International Airport (BOS) is the origin airport and Seattle Tacoma International Airport (SEA) is the destination airport.

How far is Seattle from Boston?

BOS and SEA are approximately 2,489 miles apart by great-circle distance.

Are there direct flights from BOS to SEA?

Yes. Roame's current schedule feed shows nonstop service from BOS to SEA.

Which airlines market flights from BOS to SEA?

Which aircraft fly from BOS to SEA?

Aircraft listed in the current schedule include Airbus A320 (320), Airbus A321 (321), Airbus A321neo (32Q), Boeing 737-800 (738), Boeing 737-900 / Boeing 737-900ER (739), Boeing 737-800 Winglets (73H), Boeing 737-900 Winglets (73J), Boeing 757-200 (752), Boeing 737 MAX 8 (7M8), 7S7 and JET.