Cheap flights from Washington DC to Porto, Portugal for only $354 roundtrip with TAP Air Portugal.
The example dates listed below range between $354 and $356 roundtrip.
DEPART:
Washington DC, USA
ARRIVE:
Porto, Portugal
RETURN:
Washington DC, USA
DATES:
Availability from October to November 2022
1st-8th Oct
2nd-9th Oct
3rd-10th Oct
5th-12th Oct
7th-14th Oct
8th-15th Oct
9th-16th Oct
12th-19th Oct
19th-26th Oct
21st-28th Oct
24th-31st Oct
29th Oct – 5th Nov
and more…
STOPS:
Lisbon
AIRLINES:
TAP Air Portugal