Cheapest return flights from Chicago to Lisbon in March from $490

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

Return flights

03 Mar - 10 Mar Air France
04 Mar - 11 Mar Delta
24 Mar - 07 Apr Delta
05 Mar - 10 Mar Delta
04 Mar - 08 Mar Delta
04 Mar - 14 Mar Delta
15 Mar - 15 Apr Frontier Airlines
23 Mar - 31 Mar Delta
01 Mar - 08 Mar Delta
06 Mar - 11 Mar Delta
26 Mar - 05 Apr Frontier Airlines
26 Mar - 04 Apr Frontier Airlines
08 Mar - 14 Mar Frontier Airlines
18 Mar - 04 Apr Porter Airlines (Canada) Ltd
19 Mar - 05 Apr Frontier Airlines
25 Mar - 08 Apr Delta
10 Mar - 14 Mar Frontier Airlines
27 Mar - 04 Apr Porter Airlines (Canada) Ltd
27 Mar - 05 Apr Porter Airlines (Canada) Ltd
26 Mar - 03 Apr Frontier Airlines

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

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