Cheap Alaska Airlines flights Seattle (SEA) to Washington (WAS)

Find the cheapest month to fly from Seattle (SEA) to Washington (WAS)

January is typically the cheapest month to fly

From $160 - $338 per traveler.

Alternative airports near Washington

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

Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Cheapest option available. Average driving time to city center is 40 minutes. Flights from $259
BWI
Baltimore Washington Intl. Thurgood Marshall
Cheapest
Average driving time to city center40 min
Flights from $259
Select flight to Ronald Reagan Washington National DCA. Closest option available. Average driving time to city center is 8 minutes. Flights from $373
DCA
Ronald Reagan Washington National
Closest
Average driving time to city center8 min
Flights from $373
Select flight to Washington Dulles Intl. IAD. Average driving time to city center is 36 minutes. Flights from $353
IAD
Washington Dulles Intl.
Average driving time to city center36 min
Flights from $353
Flights from Seattle (SEA) to Washington (IAD)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Washington Dulles Intl.
Distance
2299 mi
*Available to One Key members.