Flights from Baltimore to Seattle

BWISEA

Baltimore/Washington International Thurgood Marshall Airport (Baltimore, United States) → Seattle–Tacoma International Airport (Seattle, United States)

Nonstop
5h 44m
Distance
3,748 km
Frequency
7×/week
One-way from
$134
Airlines
Alaska Airlines, Southwest Airlines

Fares by month

One-way, per person

Lowest fares Aviasales travelers found in recent searches; some may include a connection. Prices change often — tap a month to see live fares.

Weekly schedule

Monday

  • AS78607:02→09:465h 44mAlaska Airlines
  • AS37918:15→21:005h 45mAlaska Airlines

Tuesday

  • AS78607:02→09:465h 44mAlaska Airlines
  • AS37918:15→21:005h 45mAlaska Airlines

Wednesday

  • AS78607:02→09:465h 44mAlaska Airlines
  • AS37918:15→21:005h 45mAlaska Airlines

Thursday

  • AS78607:02→09:465h 44mAlaska Airlines
  • AS37918:15→21:005h 45mAlaska Airlines

Friday

  • AS78607:02→09:465h 44mAlaska Airlines
  • AS37918:15→21:005h 45mAlaska Airlines

Saturday

  • AS78607:02→09:465h 44mAlaska Airlines

Sunday

  • AS78607:02→09:465h 44mAlaska Airlines
  • AS37918:15→21:005h 45mAlaska Airlines

Baltimore to Seattle — frequently asked

How long is the flight from Baltimore to Seattle?
BWI–SEA is 5h 44m nonstop, covering 3,748 km (2,329 mi).
Which airlines fly nonstop from Baltimore to Seattle?
Alaska Airlines, Southwest Airlines operate this route nonstop.
How much is a flight from Baltimore to Seattle?
One-way fares on BWI–SEA recently started from $134. The lowest recent fare is for travel in December 2026. Fares change daily, so check current prices before booking.
How often do flights run from Baltimore to Seattle?
The route is served 7 days a week (13 scheduled departures).