Cheapest return flights from Chicago to London in September from 401€
AirHint found the following cheapest return flights from Chicago (ORD) to London (LGW)
in September 2025 (see full year ).
Return flights
22 Sep
- 14 Oct
Spirit Airlines
401 €
27 Sep
- 07 Oct
Spirit Airlines
406 €
23 Sep
- 16 Oct
Icelandair
413 €
22 Sep
- 16 Oct
Icelandair
416 €
24 Sep
- 28 Sep
Spirit Airlines
417 €
22 Sep
- 15 Oct
Icelandair
417 €
20 Sep
- 23 Sep
Spirit Airlines
418 €
16 Sep
- 30 Sep
Spirit Airlines
419 €
07 Sep
- 22 Sep
Icelandair
419 €
06 Sep
- 18 Sep
Icelandair
420 €
10 Sep
- 17 Sep
Spirit Airlines
422 €
12 Sep
- 17 Sep
Icelandair
424 €
26 Sep
- 01 Oct
Spirit Airlines
424 €
12 Sep
- 16 Sep
Icelandair
426 €
03 Sep
- 06 Sep
Icelandair
426 €
14 Sep
- 17 Sep
Spirit Airlines
429 €
09 Sep
- 05 Oct
Spirit Airlines
454 €
17 Sep
- 06 Oct
Spirit Airlines
473 €
15 Sep
- 21 Oct
Spirit Airlines
480 €
15 Sep
- 20 Oct
Spirit Airlines
499 €
Also check the deals for one-way flights from Chicago to London in September .
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.
Find us on social media
Feel free to contact us with any feedback or request another flight research.
Find us on social media