Cheap flights from Washington DC to Lisbon, Portugal for only $356 roundtrip with Air Canada and United.
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
2nd-9th May
3rd-10th May
8th-15th May
10th-17th May
15th-22nd May
16th-23rd May
17th-24th May
23rd-30th May
31st May – 7th Jun
and more…
STOPS:
Montreal
AIRLINES:
United
Air Canada