AirHint found the following cheapest return flights from Chicago (ORD) to London (LGW)
in May 2025 (see full year ).
Return flights
07 May
- 30 May
Icelandair
$ 587
07 May
- 29 May
Icelandair
$ 592
07 May
- 20 May
Icelandair
$ 609
07 May
- 14 May
Icelandair
$ 609
13 May
- 28 May
Spirit Airlines
$ 633
11 May
- 20 May
British Airways
$ 634
19 May
- 02 Jun
Spirit Airlines
$ 635
14 May
- 18 May
SWISS
$ 636
14 May
- 02 Jun
Spirit Airlines
$ 650
29 May
- 03 Jun
Spirit Airlines
$ 657
29 May
- 04 Jun
Spirit Airlines
$ 659
28 May
- 18 Jun
Spirit Airlines
$ 664
19 May
- 09 Jun
Spirit Airlines
$ 664
28 May
- 03 Jun
Spirit Airlines
$ 666
24 May
- 31 May
Spirit Airlines
$ 669
07 May
- 11 May
British Airways
$ 678
27 May
- 17 Jun
Spirit Airlines
$ 678
13 May
- 27 May
Spirit Airlines
$ 681
31 May
- 04 Jun
Frontier Airlines
$ 683
28 May
- 02 Jun
Spirit Airlines
$ 684
Also check the deals for one-way flights from Chicago to London in May .
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.
