Cheapest return flights from Chicago to Lisbon in July from 597€

Best time to book flights for Chicago (ORD) to Lisbon (LIS) flights at AirHint

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

Return flights

09 Jul - 16 Jul Air Canada
23 Jul - 05 Aug Finnair
09 Jul - 23 Jul Finnair
20 Jul - 29 Jul Finnair
29 Jul - 05 Aug United
26 Jul - 31 Jul Aer Lingus
05 Jul - 17 Jul Aer Lingus
03 Jul - 10 Jul Finnair
25 Jul - 07 Aug Finnair
10 Jul - 24 Jul Finnair
03 Jul - 15 Jul Finnair
21 Jul - 31 Jul Air France
06 Jul - 13 Jul Finnair
25 Jul - 07 Aug TAP direct
24 Jul - 04 Aug British Airways
23 Jul - 03 Aug Air Canada
24 Jul - 04 Aug TAP direct

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

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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