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Cheap flights from Baltimore to Seattle (BWI - SEA)

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How to find the cheapest flight from
Baltimore (BWI) to Seattle (SEA)

What is the cheapest day to fly round-trip from Baltimore to Seattle?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from Baltimore to Seattle?

To save up to 58% on this flight, we recommend booking at least 27 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Baltimore to Seattle from $136 1-2 weeks out and tickets from $197 for flights departing within the next 72 hours.

Cheap flights from Baltimore to Seattle in July, August 2020

The best prices found for BWI to SEA flights for July, August
20 Jul - 5 Aug
$169pp
BWI
Baltimore/Washington
Spirit Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
BWI
Baltimore/Washington
27 Jul - 18 Aug
$172pp
BWI
Baltimore/Washington
Spirit Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
Non-Stop
BWI
Baltimore/Washington

Baltimore to Seattle 2020 flight deals

Cheap flights to Seattle from Baltimore found for this year
15 Aug - 15 Aug
$104pp
BWI
Baltimore/Washington
Spirit Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
BWI
Baltimore/Washington
5 Aug - 15 Aug
$109pp
BWI
Baltimore/Washington
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
Non-Stop
BWI
Baltimore/Washington
11 Aug - 13 Aug
$113pp
BWI
Baltimore/Washington
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
Non-Stop
BWI
Baltimore/Washington

Non-stop flights to Seattle from Baltimore

Save time with Baltimore to Seattle direct flight deals
5 Aug - 15 Aug
$128pp
BWI
Baltimore/Washington
Spirit Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
Non-Stop
BWI
Baltimore/Washington
6 Aug - 11 Aug
$133pp
BWI
Baltimore/Washington
Spirit Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
Non-Stop
BWI
Baltimore/Washington
12 Aug - 16 Aug
$134pp
BWI
Baltimore/Washington
Spirit Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
Non-Stop
BWI
Baltimore/Washington

Last minute flights from Baltimore to Seattle

Late deals on round-trip flights to Seattle from Baltimore, departing today and this week
28 Jun - 5 Aug
$245pp
BWI
Baltimore/Washington
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
Non-Stop
BWI
Baltimore/Washington
28 Jun - 11 Jul
$280pp
BWI
Baltimore/Washington
Sun Country Air
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Sun Country Air
 
1 STOP
BWI
Baltimore/Washington
28 Jun - 4 Aug
$283pp
BWI
Baltimore/Washington
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
BWI
Baltimore/Washington

One-way flights to Seattle from Baltimore

The cheapest one-way flights from Baltimore to Seattle
8:10 am - 12:56 pm
Sun Country Air
1 Stop
7h 46m
BWI - SEA
Sun Country Air
5:00 am - 2:59 pm
Spirit Airlines
1 Stop
12h 59m
BWI - SEA
Spirit Airlines
$115
Kiwi.com
4:57 pm - 2:59 pm
Multiple Airlines
2 Stops
49h 02m
BWI - SEA
Multiple Airlines
$116
Kiwi.com

Related info for your journey

Useful info, stats and facts about Baltimore to Seattle flights.

Flight FAQs

From Baltimore to Seattle

Are flight prices decreasing from Baltimore to Seattle due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Baltimore and Seattle for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Baltimore to Seattle for under $200 on Cheapflights?

Yes, there are multiple flights from Baltimore to Seattle for under $200. The cheapest flight booked recently is on Spirit Airlines for just $104, but on average you can expect to pay $130.

Are there nonstop flights from Baltimore to Seattle for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Baltimore to Seattle under $200. A good price for a nonstop flight from Baltimore to Seattle is less than $157.

Are there last-minute flights available from Baltimore to Seattle for under $300?

There are currently 20+ open flights from Baltimore to Seattle within the next 7 days for less than $300.

What days are nonstop flights available from Baltimore to Seattle?

You can find nonstop flights on the following days: Sunday, Monday, Tuesday, Thursday, Saturday.

How popular is this flight route?

Within the past month, 95 users have taken a look at flights from Baltimore/Washington to Seattle.

What is the cheapest airline for this route?

The cheapest airline for this route is Delta Air Lines, Inc.. When flying this airline from Baltimore to Seattle on average you can expect to find 291 flights available for this route daily.

Is Baltimore weather warmer or cooler than Seattle?

With an average temperature of 90 °F, peak weather can be found in July. As a traveler, expect to see changes in flight prices during that period. The temperatures in Seattle are colder than in Baltimore.

Alternative routes for Baltimore to Seattle

Destination information for Seattle

Things to know before you go. Useful info for your trip from Baltimore to Seattle
Flight duration
5h 22m
Average temperature for July in Seattle
77.0 °F
Avg rainfall for July in Seattle
0.7 ″

Airports servicing Baltimore

Airports servicing Seattle

Seattle King County/Boeing (BFI)
Seattle Lake Union Spb (LKE)

Hourly flight availability from Baltimore to Seattle

Morning 6 AM to noon 100% of BWI to SEA departures
Early morning Midnight to 6 AM 0% of BWI to SEA departures
Afternoon Noon to 6 PM 0% of BWI to SEA departures
Evening 6 PM to midnight 0% of BWI to SEA departures
Midnight
6 AM
Noon
6 PM