Cheapest return flights from Chicago to Lisbon in April from 414€

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

Return flights

08 Apr - 29 Apr Iberia
22 Apr - 29 Apr Iberia
07 Apr - 14 Apr American Airlines
08 Apr - 15 Apr American Airlines
24 Apr - 29 Apr Iberia
23 Apr - 28 Apr British Airways
13 Apr - 19 Apr British Airways
10 Apr - 17 Apr Finnair
12 Apr - 18 Apr TAP direct
01 Apr - 08 Apr Air France

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

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