Cheapest one-way flights from Chicago to Lisbon in December from 268€

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

One-Way flights

06 Dec Spirit Airlines
14 Dec Spirit Airlines
14 Dec TAP direct
07 Dec TAP direct
12 Dec TAP direct
26 Dec British Airways
26 Dec TAP direct
18 Dec Spirit Airlines
21 Dec TAP direct
20 Dec Spirit Airlines

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

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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