Cheapest return flights from Chicago to London in July from $648

Best time to book flights for Chicago (ORD) to London (LGW) flights at AirHint

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

Return flights

09 Jul - 13 Jul Spirit Airlines
05 Jul - 12 Jul Spirit Airlines
05 Jul - 13 Jul Spirit Airlines
04 Jul - 12 Jul Spirit Airlines
02 Jul - 09 Jul Spirit Airlines
09 Jul - 15 Jul Spirit Airlines
04 Jul - 11 Jul Spirit Airlines
18 Jul - 23 Aug Icelandair
01 Jul - 08 Jul Spirit Airlines
03 Jul - 08 Jul Spirit Airlines
04 Jul - 10 Jul Spirit Airlines
29 Jul - 09 Aug Spirit Airlines
27 Jul - 08 Aug Icelandair
25 Jul - 09 Aug Spirit Airlines
22 Jul - 09 Aug Spirit Airlines
14 Jul - 11 Aug Spirit Airlines
28 Jul - 11 Aug TAP
19 Jul - 02 Aug Spirit Airlines
25 Jul - 03 Aug Spirit Airlines
23 Jul - 03 Aug Aer Lingus

Also check the deals for one-way flights from Chicago to London 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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