Cheapest one-way flights from Chicago to Lisbon in May from $377

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

AirHint found the following cheapest one-way flights from Chicago (MDW) to Lisbon (LIS) in May 2025 (see full year).

One-Way flights

11 May Porter Airlines (Canada) Ltd
12 May Porter Airlines (Canada) Ltd
07 May Delta
21 May Porter Airlines (Canada) Ltd
13 May Delta
14 May Porter Airlines (Canada) Ltd
27 May Virgin Atlantic
28 May Delta
16 May Delta
24 May Virgin Atlantic

Also check the deals for return flights from Chicago to Lisbon in May.

Skyscanner

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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