Cheap flights from Chicago to Lisbon, Portugal for only $338 roundtrip with Finnair.
The example dates listed below range between $338 and $353 roundtrip.
DEPART:
Chicago, USA
ARRIVE:
Lisbon, Portugal
RETURN:
Chicago, USA
DATES:
Availability from December 2022 to April 2023 (excluding Christmas/New Year)
13th-20th Dec
13th-20th Jan
14th-21st Jan
15th-22nd Jan
16th-23rd Jan
18th-25th Jan
20th-27th Jan
21st-28th Jan
22nd-29th Jan
23rd-30th Jan
25th Jan – 1st Feb
27th Jan – 3rd Feb
1st-8th Feb
3rd-10th Feb
8th-15th Feb
9th-16th Feb
10th-17th Feb
11th-18th Feb
13th-20th Feb
15th-22nd Feb
18th-25th Feb
21st-28th Feb
22nd Feb – 1st Mar
29th Mar – 5th Apr
11th-18th Apr
15th-22nd Apr
23rd-30th Apr
and more…
STOPS:
Helsinki
AIRLINES:
Finnair