Flights from Baltimore to Seattle Tacoma

Our cheapest offers for flights from Baltimore to Seattle Tacoma

Here you can compare cheap flights from Baltimore (BWI) to Seattle Tacoma (SEA) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Seattle Tacoma. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Baltimore
Seattle-Tacoma
Outbound
11/09/25
1 Stopover (MSP)
SY0194, SY0285
08h 31min
Return
12/07/25
1 Stopover (SLC)
DL1239, DL2079
07h 52min
Sun Country Airlines ?
$252
Best option
Baltimore
Seattle-Tacoma
Outbound
11/09/25
direct
AS0349
05h 52min
Return
12/07/25
direct
HA6635
05h 02min
Alaska Airlines ?
$511
Baltimore
Seattle-Tacoma
Outbound
11/09/25
1 Stopover (DEN)
UA0540, UA2651
09h 58min
Return
12/07/25
1 Stopover (DEN)
UA2269, UA1362
07h 06min
United Airlines ?
$314
Baltimore
Seattle-Tacoma
Outbound
11/09/25
1 Stopover (MSP)
SY0194, SY0285
08h 31min
Return
12/07/25
2 Stopovers (MSP, BNA)
SY0286, SY0631, NK2251
26h 08min
Sun Country Airlines
$345
Baltimore
Seattle-Tacoma
Outbound
11/09/25
2 Stopovers (ATL, DEN)
F92633, F93293, F91175
33h 23min
Return
12/07/25
2 Stopovers (DEN, ATL)
F93406, F93294, F92634
20h 02min
Frontier Airlines ?
$416
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Baltimore to Seattle Tacoma

Favorite airline: Spirit Airlines
Most travelers looking for flights on the route from Baltimore to Seattle-Tacoma decide to book flights with Spirit Airlines.
Spirit Airlines
39 %
Sun Country Airlines
17 %
Alaska Airlines
15 %
Cheapest weekday: Friday
The cheapest ticket prices are available for flights departing on Friday.
Direct flights are more expensive
Compared to direct flights, flights with a stopover on this route are on average 53 % cheaper.
non stop flight
1 stop
2 stops
05h 39min
28h 11min
17h 36min
$294
$192
$268
Favourite connection: via Las Vegas
Stopover flights on this route are especially popular via Las Vegas, making up 39 % of bookings.
Route
bookings
1 stopover Las Vegas - McCarran International Airport, NV
11h 32min, from $208
39 %
1 stopover Minneapolis - St. Paul International Airport, MN
08h 00min, from $256
27 %
Direct flights
05h 39min, from $294
16 %

Important flight information

Flight information: Baltimore - Seattle-Tacoma

Roundtrip from $251.70
Flight duration min. 06:10 / max. 10:20
Return flight duration min. 05:00
Distance 3753 km
Flights per week 24
Departure airport Airport Baltimore-Washington International-Thurgood Marshall Airport, MD (BWI)
Arrival airport Airport Seattle-Tacoma International Airport, WA (SEA)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Seattle-Tacoma
Flight destinations with a similar price
Flight destinations with a similar price