Cheapest return flights from Chicago to Lisbon in March from 320€

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

Return flights

18 Mar - 22 Mar Icelandair
11 Mar - 22 Mar Icelandair
17 Mar - 24 Mar Finnair
18 Mar - 25 Mar Lufthansa
11 Mar - 25 Mar Delta
11 Mar - 15 Mar Icelandair
05 Mar - 13 Mar KLM
04 Mar - 14 Mar Lufthansa
15 Mar - 20 Mar Scandinavian Airlines
19 Mar - 23 Mar Scandinavian Airlines

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

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