Cheapest return flights from Chicago to Lisbon in March from $506

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 March 2025 (see full year).

Return flights

11 Mar - 27 Mar SWISS
17 Mar - 02 Apr SWISS
31 Mar - 08 Apr Air Canada
02 Mar - 18 Mar KLM
26 Mar - 02 Apr British Airways
03 Mar - 13 Mar SWISS
05 Mar - 19 Mar British Airways
04 Mar - 11 Mar SWISS
19 Mar - 02 Apr British Airways
05 Mar - 12 Mar British Airways
03 Mar - 18 Mar SWISS
04 Mar - 18 Mar United
11 Mar - 18 Mar British Airways
05 Mar - 18 Mar KLM
26 Mar - 01 Apr British Airways
31 Mar - 06 Apr Air Canada
30 Mar - 06 Apr Air Canada
29 Mar - 02 Apr Aer Lingus
27 Mar - 02 Apr Lufthansa
28 Mar - 03 Apr British Airways

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

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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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