Cheap flights from Baltimore to Seattle

One-way fares from $197 · BWI → SEA · prices found by travellers in the last 48 hours

Compare all dates Seattle → Baltimore
Cheapest fare
$197

Alaska Airlines · Wed, Feb 10

Cheapest month
February

from $197

Direct flights
Yes

Alaska Airlines

Flight time
6h 01m

3,750 km

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Cheapest month to fly from Baltimore to Seattle

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $227
  2. February 2027 Cheapest $197
  3. June 2027 $218

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About flights from Baltimore to Seattle

Baltimore (BWI) and Seattle (SEA) are about 3,750 km apart. Direct flights take around 6h 01m, and recent direct fares were with Alaska Airlines. Over the next few months, one-way fares start from $197, and February 2027 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Baltimore to Seattle?

The cheapest one-way fare we've seen recently is $197 with Alaska Airlines, departing Wednesday, February 10, 2027. Over the coming months, the lowest fare in each month ranges from $197 to $227.

What is the cheapest month to fly from Baltimore to Seattle?

February 2027 currently has the lowest fares, from $197 one way.

Are there direct flights from Baltimore to Seattle?

Yes. Recent direct fares were with Alaska Airlines.

How long is the flight from Baltimore to Seattle?

A direct flight takes about 6h 01m. Baltimore and Seattle are around 3,750 km apart.

Which airlines fly from Baltimore to Seattle?

Recent fares on this route were with Southwest Airlines and Alaska Airlines.

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