Cheapest return flights from Chicago to Lisbon in July from 637€

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

Return flights

17 Jul - 21 Jul SWISS
18 Jul - 22 Jul SWISS
29 Jul - 05 Aug United
23 Jul - 30 Jul United
23 Jul - 29 Jul United
18 Jul - 26 Jul Delta
21 Jul - 28 Jul United
14 Jul - 15 Aug TAP direct
14 Jul - 19 Jul Icelandair
28 Jul - 04 Aug KLM
16 Jul - 25 Jul SWISS
26 Jul - 09 Aug Air Canada
19 Jul - 16 Aug TAP
26 Jul - 03 Aug TAP
12 Jul - 21 Jul SWISS
13 Jul - 21 Jul SWISS
23 Jul - 03 Aug Spirit Airlines
18 Jul - 02 Aug Spirit Airlines
19 Jul - 16 Aug TAP direct
19 Jul - 02 Aug TAP

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

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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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