Cheapest return flights from Chicago to Lisbon in March from 686€

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

Return flights

29 Mar - 04 Apr Air France
29 Mar - 05 Apr Air France
26 Mar - 02 Apr Delta
28 Mar - 04 Apr Delta
26 Mar - 31 Mar Delta
29 Mar - 03 Apr TAP
26 Mar - 05 Apr Delta
30 Mar - 04 Apr Frontier Airlines
27 Mar - 03 Apr Frontier Airlines
27 Mar - 01 Apr Virgin Atlantic
28 Mar - 03 Apr TAP

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

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