Direct flights from Baltimore to Seattle

Did you mean Flights from Seattle to Baltimore?

Baltimore

United States

BWI

Baltimore/Washington International Thurgood Marshal Airport

Seattle

United States

SEA

Seattle Tacoma International Airport

Route: Nonstop service available
Distance: 2,329 miles
Marketing airlines: 4 airlines
Aircraft: 6 aircraft types
Dates: Oct 19, 2026 – Sep 29, 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 BWI → SEA, Economy, on 2026-11-10, booked with Alaska Atmos Rewards. 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.

BWI → SEAEconomy
AS786
12,500 points+ $5.00
Departure
2026-11-10
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 13:54
BWI → SEAEconomy
AS786
12,500 points+ $5.00
Departure
2026-11-12
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 11:13
BWI → SEAEconomy
AS786
12,500 points+ $5.00
Departure
2026-11-14
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 15:08
BWI → SEAEconomy
AS379
12,500 points+ $5.00
Departure
2026-11-16
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 09:44
BWI → SEAEconomy
AS786
12,500 points+ $5.00
Departure
2026-11-16
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 09:44
BWI → SEAEconomy
AS379
17,500 points+ $5.00
Departure
2026-11-12
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 11:13
BWI → SEAEconomy
AS786
22,500 points+ $5.00
Departure
2026-11-06
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 18:19
BWI → SEAEconomy
AS379
22,500 points+ $5.00
Departure
2026-11-06
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 18:19
BWI → SEAEconomy
AS786
27,500 points+ $5.00
Departure
2026-10-31
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 10:51
BWI → SEAEconomy
AS786
27,500 points+ $5.00
Departure
2026-11-01
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 00:46
BWI → SEAEconomy
AS786
27,500 points+ $5.00
Departure
2026-11-03
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 09:43
BWI → SEAEconomy
AS379
32,500 points+ $5.00
Departure
2026-10-25
Seats seen
7
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 11:42

Baltimore to Seattle route overview

Baltimore/Washington International Thurgood Marshal Airport (BWI) serves Baltimore; Seattle Tacoma International Airport (SEA) serves Seattle.

The airports are 2,329 miles apart by great-circle distance.

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

Marketing airlines listed in the current schedule, including codeshare sellers, are Alaska Airlines (AS), Finnair (AY), Cathay Pacific (CX) 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 – Sep 29, 2027.

Marketing airlines on the Baltimore 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.

Finnair (AY)Codeshare only
Cathay Pacific (CX)Codeshare only

Airline alliance affiliations represented: Oneworld

Aircraft flying from BWI to SEA

Frequently asked questions

Which airports serve the Baltimore to Seattle route?

Baltimore/Washington International Thurgood Marshal Airport (BWI) is the origin airport and Seattle Tacoma International Airport (SEA) is the destination airport.

How far is Seattle from Baltimore?

BWI and SEA are approximately 2,329 miles apart by great-circle distance.

Are there direct flights from BWI to SEA?

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

Which airlines market flights from BWI to SEA?

Which aircraft fly from BWI to SEA?

Aircraft listed in the current schedule include Boeing 737-900 / Boeing 737-900ER (739), Boeing 737-800 Winglets (73H), Boeing 737-900 Winglets (73J), Boeing 737 MAX 8 (7M8), 7S7 and JET.