Cheapest return flights from Chicago to Lisbon in October from 524€

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

Return flights

06 Oct - 14 Oct Turkish Airlines
07 Oct - 15 Oct Turkish Airlines
25 Oct - 08 Nov Scandinavian Airlines
11 Oct - 24 Oct Turkish Airlines
21 Oct - 08 Nov Turkish Airlines
25 Oct - 30 Oct Scandinavian Airlines
21 Oct - 28 Oct Iberia
25 Oct - 08 Nov TAP direct
21 Oct - 08 Nov TAP direct
17 Oct - 24 Oct Turkish Airlines
05 Oct - 20 Oct Delta
04 Oct - 12 Oct Air France
03 Oct - 12 Oct Air France
09 Oct - 20 Oct Delta

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

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