Cheap flights from Chicago to Lisbon, Portugal for only $339 roundtrip with United Airlines and Swiss International Air Lines.
The example dates listed below range between $339 and $351 roundtrip.
DEPART:
Chicago, USA
ARRIVE:
Lisbon, Portugal
RETURN:
Chicago, USA
DATES:
Availability from October 2022 to March 2023 (excluding Christmas/New Year)
4th-11th Oct
5th-12th Oct
12th-19th Oct
19th-26th Oct
25th Oct – 1st Nov
26th Oct – 2nd Nov
23rd-30th Nov
4th-11th Jan
24th-31st Jan
30th Jan – 6th Feb
5th-12th Feb
6th-13th Feb
7th-14th Feb
8th-15th Feb
9th-16th Feb
11th-18th Feb
13th-20th Feb
14th-21st Feb
28th Feb – 7th Mar
2nd-9th Mar
and more…
STOPS:
New York/Zurich
AIRLINES:
United Airlines
Swiss International Air Lines