Cheapest return flights from Chicago to London in September from $489

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

AirHint found the following cheapest return flights from Chicago (ORD) to London (LHR) in September 2024 (see full year).

Return flights

09 Sep - 15 Sep TAP
08 Sep - 15 Sep TAP
28 Sep - 06 Oct TAP
09 Sep - 14 Sep TAP
08 Sep - 14 Sep TAP
08 Sep - 24 Sep TAP
16 Sep - 24 Sep TAP
15 Sep - 23 Sep TAP
29 Sep - 06 Oct TAP
03 Sep - 09 Sep Icelandair
09 Sep - 01 Oct Icelandair
15 Sep - 27 Sep TAP
12 Sep - 19 Sep Icelandair
03 Sep - 30 Oct Icelandair
24 Sep - 02 Oct Aer Lingus
24 Sep - 01 Oct Icelandair
24 Sep - 02 Oct British Airways direct
23 Sep - 08 Oct American Airlines direct
23 Sep - 01 Oct Iberia direct
24 Sep - 01 Oct American Airlines direct

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

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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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