Cheap flights from Washington DC to Lisbon, Portugal for only $358 roundtrip with Air Canada and Lufthansa.
The example dates listed below range between $358 and $363 roundtrip.
DEPART:
Washington DC, USA
ARRIVE:
Lisbon, Portugal
RETURN:
Washington DC, USA
DATES:
Availability from September 2022 to March 2023 (excluding Christmas/New Year)
6th-13th Sep
28th Sep – 5th Oct
5th-12th Oct
16th-23rd Oct
17th-24th Oct
19th-26th Oct
20th-27th Oct
21st-28th Oct
26th Oct – 2nd Nov
28th Oct – 4th Nov
1st-8th Nov
22nd-29th Nov
6th-13th Dec
7th-14th Dec
14th-21st Dec
31st Jan – 7th Feb
6th-13th Feb
13th-20th Feb
14th-21st Feb
20th-27th Feb
7th-14th Mar
and more…
STOPS:
Montreal/Munich
AIRLINES:
Air Canada
Lufthansa