Cheap flights from Washington DC to Lisbon, Portugal for only $345 roundtrip with United Airlines and Lufthansa.
The example dates listed below range between $345 and $356 roundtrip.
DEPART:
Washington DC, USA
ARRIVE:
Lisbon, Portugal
RETURN:
Washington DC, USA
DATES:
Availability from March to June 2023
27th Mar – 3rd Apr
19th-26th Apr
30th Apr – 7th May
2nd-9th May
8th-15th May
11th-18th May
12th-19th May
13th-20th May
15th-22nd May
17th-24th May
18th-25th May
19th-26th May
21st-28th May
22nd-29th May
24th-31st May
6th-13th Jun
8th-15th Jun
20th-27th Jun
and more…
STOPS:
Munich (incoming only)
AIRLINES:
United Airlines
Lufthansa