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

Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Seattle (SEA) to Baltimore (BWI), with fares starting from $110.

What is the lowest current fare from SEA to BWI?

The lowest currently-listed fare from Seattle (SEA) to Baltimore (BWI) is $110 on 2026-09-30.

How long is the flight from Seattle to Baltimore?

Direct flights from SEA to BWI cover approximately 3,747 km (2,328 miles), with an estimated flight time of 4h 24m. Operating airlines: AS, WN.

Cheap flights from Seattle to Baltimore

Cheapest current fares: $110 in September 2026, 3,747 km direct flight in ~4h 24m.

Last updated May 25, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Seattle (SEA) to Baltimore (BWI). Refreshed daily.

Seattle (SEA) → Baltimore (BWI)

September 2026 $110
May 2026 $240

Frequently asked questions

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

Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Seattle (SEA) to Baltimore (BWI), with fares starting from $110.
What is the lowest current fare from SEA to BWI?

The lowest currently-listed fare from Seattle (SEA) to Baltimore (BWI) is $110 on 2026-09-30.
How long is the flight from Seattle to Baltimore?

Direct flights from SEA to BWI cover approximately 3,747 km (2,328 miles), with an estimated flight time of 4h 24m. Operating airlines: AS, WN.

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