$175 Cheap United flights Baltimore (BWI) to Seattle (SEA)

View $175 flight on Mon, May 4, 2026Opens in a new window

$175 Cheap United flights Baltimore (BWI) to Seattle (SEA)

Prices were available within the past 7 days and start at $175 for one-way flights and $239 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, May 4 - Wed, May 13
BWI
Baltimore
SEA
Seattle
$239 Roundtrip, found 2 days ago
$239
Roundtrip
found 2 days ago
Select United flight, departing Mon, May 4 from Baltimore to Seattle, returning Wed, May 13, priced at $239 found 2 days ago
United
Mon, May 4 - Wed, May 13
BWI
Baltimore
SEA
Seattle
$294 Roundtrip, found 2 days ago
$294
Roundtrip
found 2 days ago
Select United flight, departing Mon, May 4 from Baltimore to Seattle, returning Wed, May 13, priced at $294 found 2 days ago

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $279
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $279

Find the cheapest month to fly from Baltimore (BWI) to Seattle (SEA)

February is typically the cheapest month to fly

From $165 - $277 per traveler.

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, United
Popular airline
United
Distance
3725 km
Average flight time
4 hours 22 mins

Explore a world of travel with Expedia