Cheap flights from Chicago to Lisbon, Portugal for only $346 roundtrip with United Airlines and Swiss International Air Lines.
The example dates listed below range between $346 and $351 roundtrip.
DEPART:
Chicago, USA
ARRIVE:
Lisbon, Portugal
RETURN:
Chicago, USA
DATES:
Availability from October 2022 to February 2023 (excluding Christmas/New Year)
6th-13th Oct
25th Oct – 1st Nov
26th Oct – 2nd Nov
24th-31st Jan
31st Jan – 7th Feb
6th-13th Feb
8th-15th Feb
9th-16th Feb
14th-21st Feb
21st-28th Feb
and more…
STOPS:
New York/Zurich
AIRLINES:
United Airlines
Swiss International Air Lines