AirHint found the following cheapest return flights from Chicago (ORD) to Lisbon (LIS) in February 2026 (see full year).

Return flights

08 Feb - 15 Feb	Scandinavian Airlines
06 Feb - 13 Feb	Scandinavian Airlines
26 Feb - 05 Mar	Scandinavian Airlines
28 Feb - 07 Mar	Scandinavian Airlines
11 Feb - 18 Feb	TAP	direct
11 Feb - 15 Feb	Icelandair
27 Feb - 06 Mar	TAP	direct
08 Feb - 15 Feb	TAP	direct
14 Feb - 07 Mar	Scandinavian Airlines
12 Feb - 19 Feb	Scandinavian Airlines
10 Feb - 17 Feb	United
17 Feb - 25 Feb	United
20 Feb - 27 Feb	TAP	direct
22 Feb - 01 Mar	Scandinavian Airlines
24 Feb - 03 Mar	United
25 Feb - 04 Mar	United
11 Feb - 15 Feb	TAP	direct
23 Feb - 02 Mar	SWISS

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

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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Cheapest return flights from Chicago to Lisbon in February from 325€

Return flights