Cheapest return flights from Chicago to Lisbon in October from 394€

AirHint found the following cheapest return flights from Chicago (ORD) to Lisbon (LIS) in October 2025 (see full year).

Return flights

29 Oct - 05 Nov Air Canada
28 Oct - 04 Nov Air Canada
18 Oct - 25 Oct TAP direct
16 Oct - 23 Oct Air Canada
16 Oct - 23 Oct TAP direct
22 Oct - 29 Oct TAP direct
29 Oct - 05 Nov TAP direct
31 Oct - 07 Nov TAP direct
17 Oct - 24 Oct TAP direct
27 Oct - 03 Nov Air Canada
16 Oct - 24 Oct TAP direct
16 Oct - 25 Oct TAP direct
24 Oct - 31 Oct TAP direct
30 Oct - 06 Nov Air Canada
20 Oct - 28 Oct Delta
23 Oct - 30 Oct Air Canada
26 Oct - 02 Nov TAP direct
25 Oct - 02 Nov TAP direct
24 Oct - 02 Nov TAP direct
31 Oct - 02 Nov TAP direct

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

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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