Cheapest return flights from Chicago to Lisbon in February from $501

AirHint found the following cheapest return flights from Chicago (MDW) to Lisbon (LIS) in February 2026 (see full year).

Return flights

23 Feb - 03 Mar Delta
24 Feb - 04 Mar Delta
25 Feb - 05 Mar Delta
22 Feb - 01 Mar Delta
22 Feb - 02 Mar Delta
27 Feb - 07 Mar Delta
04 Feb - 06 Feb Frontier Airlines
19 Feb - 16 Mar Frontier Airlines
26 Feb - 02 Mar Frontier Airlines
12 Feb - 16 Feb Frontier Airlines
14 Feb - 20 Feb Frontier Airlines
14 Feb - 22 Feb Frontier Airlines
28 Feb - 08 Mar Frontier Airlines
26 Feb - 06 Mar Delta

Also check the deals for one-way flights from Chicago to Lisbon in February.

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