Cheapest one-way flights from Chicago to Lisbon in May from 336€

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

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

One-Way flights

21 May Spirit Airlines
16 May Spirit Airlines
23 May Icelandair
28 May Air Canada
16 May TAP direct
22 May Air Canada
28 May TAP direct
21 May TAP direct
23 May TAP direct

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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