Cheapest return flights from Chicago to London in September from $563

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 September 2024 (see full year).

Return flights

24 Sep - 02 Oct Spirit Airlines
04 Sep - 12 Sep Icelandair
10 Sep - 24 Sep Spirit Airlines
18 Sep - 24 Sep Spirit Airlines
05 Sep - 19 Sep Icelandair
03 Sep - 10 Sep Icelandair
17 Sep - 24 Sep Spirit Airlines
24 Sep - 28 Sep Spirit Airlines
07 Sep - 14 Sep Spirit Airlines
18 Sep - 23 Sep Spirit Airlines
15 Sep - 24 Sep Icelandair
11 Sep - 02 Oct Spirit Airlines
15 Sep - 03 Oct Icelandair
09 Sep - 01 Oct Icelandair
10 Sep - 01 Oct Spirit Airlines
30 Sep - 05 Oct Spirit Airlines
29 Sep - 05 Oct Icelandair
30 Sep - 06 Oct Spirit Airlines
19 Sep - 05 Oct Icelandair
27 Sep - 13 Oct Delta

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

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 London

Cheap car rent in London