Cheap flights from Washington DC to Seattle for only $169 roundtrip with United Airlines.
Also works in reverse.
DEPART:
Washington DC, USA
ARRIVE:
Seattle, USA
RETURN:
Washington DC, USA
DATES:
Availability from April to May 2021
Washington DC – Seattle
7th-12th Apr
15th-20th Apr
17th-22nd Apr
19th-24th Apr
21st-26th Apr
29th Apr – 4th May
1st-6th May
3rd-8th May
5th-10th May
13th-18th May
17th-22nd May
19th-24th May
Seattle – Washington DC
7th-12th Apr
15th-20th Apr
17th-22nd Apr
19th-24th Apr
21st-26th Apr
29th Apr – 4th May
1st-6th May
3rd-8th May
5th-10th May
13th-18th May
15th-20th May
17th-22nd May
19th-24th May
and more…
STOPS:
Chicago (outgoing only)
AIRLINES:
United Airlines