Cheap flights from Washington DC to Seattle for only $155 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
13th-17th Apr
17th-21st Apr
20th-24th Apr
24th-28th Apr
4th-8th May
8th-12th May
11th-15th May
15th-19th May
18th-22nd May
22nd-26th May
Seattle – Washington DC
13th-17th Apr
24th-28th Apr
4th-8th May
8th-12th May
15th-19th May
18th-22nd May
22nd-26th May
and more…
STOPS:
Chicago(incoming only)
AIRLINES:
United Airlines