Cheap flights from Chicago to Lisbon, Portugal for only $337 roundtrip with United Airlines and Air Canada.
DEPART:
Chicago, USA
ARRIVE:
Lisbon, Portugal
RETURN:
Chicago, USA
DATES:
Availability from September 2021 to May 2022 (excluding Christmas/New Year)
15th-22nd Sep
29th Sep – 6th Oct
17th-24th Oct
26th Mar – 2nd Apr
27th Mar – 3rd Apr
28th Mar – 4th Apr
1st-8th Apr
2nd-9th Apr
4th-11th Apr
8th-15th Apr
9th-16th Apr
10th-17th Apr
11th-18th Apr
17th-24th Apr
22nd-29th Apr
23rd-30th Apr
25th Apr – 2nd May
29th Apr – 6th May
and more…
STOPS:
Washington DC/Montreal
AIRLINES:
United Airlines
Air Canada