Summer flights from Washington DC to Porto, Portugal for only $337 roundtrip with United Airlines and Swiss International Air Lines.
DEPART:
Washington DC, USA
ARRIVE:
Porto, Portugal
RETURN:
Washington DC, USA
DATES:
Availability from August to October 2021
19th-27th Aug
21st-30th Aug
21st-31st Aug
22nd-30th Aug
22nd-31st Aug
15th-25th Sep
18th-28th Sep
2nd-12th Oct
–
More dates are available between $342 and $346 roundtrip:
14th-23rd Aug
11th-20th Sep
11th-21st Sep
and more…
STOPS:
Zurich
AIRLINES:
United Airlines
Swiss International Air Lines