Cheapest return flights from Chicago to Lisbon in April from $550

Best time to book flights for Chicago (ORD) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from Chicago (ORD) to Lisbon (LIS) in April 2025 (see full year).

Return flights

09 Apr - 16 Apr British Airways
27 Apr - 14 May British Airways
28 Apr - 05 May British Airways
29 Apr - 05 May Air France
16 Apr - 21 Apr Air France
28 Apr - 03 May Aer Lingus
23 Apr - 30 Apr British Airways
24 Apr - 30 Apr Aer Lingus
08 Apr - 15 Apr Air Canada
15 Apr - 20 Apr KLM
23 Apr - 28 Apr SWISS
25 Apr - 30 Apr SWISS
27 Apr - 04 May British Airways
18 Apr - 22 Apr British Airways
13 Apr - 20 Apr Air France
27 Apr - 03 May KLM
27 Apr - 02 May Icelandair
30 Apr - 07 May United
24 Apr - 01 May United
26 Apr - 07 May United

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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