Cheapest return flights from Chicago to Lisbon in April from 400€

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

Return flights

22 Apr - 29 Apr SWISS
08 Apr - 15 Apr SWISS
12 Apr - 22 Apr SWISS
28 Apr - 05 May Lufthansa
07 Apr - 14 Apr American Airlines
29 Apr - 06 May SWISS
19 Apr - 29 Apr SWISS
12 Apr - 21 Apr Delta
30 Apr - 07 May SWISS
25 Apr - 10 May Icelandair
16 Apr - 23 Apr Lufthansa
17 Apr - 24 Apr SWISS
09 Apr - 16 Apr SWISS
12 Apr - 22 Apr TAP direct
24 Apr - 03 May Iberia
22 Apr - 03 May Icelandair
23 Apr - 03 May Turkish Airlines
23 Apr - 04 May Turkish Airlines
29 Apr - 06 May TAP direct
25 Apr - 02 May TAP direct

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

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