Cheapest return flights from Chicago to Lisbon in July from 655€

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

15 Jul - 22 Jul Finnair
02 Jul - 11 Jul Finnair
29 Jul - 05 Aug Air Canada
30 Jul - 06 Aug Air Canada
16 Jul - 23 Jul Finnair
28 Jul - 06 Aug Air Canada
07 Jul - 14 Jul British Airways
14 Jul - 14 Aug Finnair
22 Jul - 29 Jul British Airways
28 Jul - 04 Aug British Airways
23 Jul - 30 Jul Finnair
21 Jul - 28 Jul British Airways
28 Jul - 05 Aug Finnair
04 Jul - 17 Jul Finnair
17 Jul - 24 Jul Finnair
14 Jul - 28 Jul Finnair
08 Jul - 11 Aug Finnair
07 Jul - 11 Aug Air Canada
06 Jul - 11 Aug Air Canada
25 Jul - 01 Aug Finnair

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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon