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

Return flights

12 Nov - 20 Nov	Iberia
12 Nov - 22 Nov	Iberia
14 Nov - 05 Dec	Iberia
10 Nov - 06 Dec	Iberia
12 Nov - 06 Dec	Iberia
11 Nov - 06 Dec	Iberia
18 Nov - 13 Dec	Iberia
19 Nov - 26 Nov	Lufthansa
11 Nov - 18 Nov	Lufthansa
18 Nov - 25 Nov	Lufthansa
26 Nov - 03 Dec	Lufthansa
10 Nov - 17 Nov	Lufthansa
12 Nov - 23 Nov	Iberia
25 Nov - 02 Dec	SWISS
12 Nov - 19 Nov	TAP	direct
27 Nov - 04 Dec	Lufthansa
06 Nov - 13 Nov	Iberia
13 Nov - 20 Nov	British Airways
02 Nov - 03 Dec	British Airways
14 Nov - 06 Dec	Iberia

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

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 November from $407

Return flights