Cheapest return flights from Chicago to Lisbon in March from 341€

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

Return flights

04 Mar - 15 Mar Icelandair
01 Mar - 11 Mar Lufthansa
16 Mar - 15 Apr Finnair
23 Mar - 31 Mar Iberia
11 Mar - 25 Mar SWISS
04 Mar - 16 Mar SWISS
24 Mar - 02 Apr British Airways
01 Mar - 11 Mar TAP direct
04 Mar - 11 Mar TAP direct
06 Mar - 18 Mar KLM
04 Mar - 14 Mar KLM
15 Mar - 23 Mar Lufthansa
29 Mar - 05 Apr KLM
29 Mar - 11 Apr SWISS
25 Mar - 02 Apr SWISS
25 Mar - 05 Apr Aer Lingus
27 Mar - 12 Apr Scandinavian Airlines
27 Mar - 03 Apr LOT
28 Mar - 04 Apr LOT
28 Mar - 06 Apr KLM

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

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