Cheapest one-way flights from Chicago to London in September from 333€

AirHint found the following cheapest one-way flights from Chicago (ORD) to London (LHR) in September 2026 (see full year).

One-Way flights

20 Sep jetBlue
09 Sep jetBlue
24 Sep jetBlue
01 Sep Spirit Airlines
07 Sep Lufthansa
22 Sep Lufthansa
20 Sep Lufthansa direct
01 Sep Iberia direct
07 Sep British Airways direct
22 Sep British Airways direct

Also check the deals for return 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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