AirHint found the following cheapest return flights from Chicago (ORD) to London (LGW)
in April 2025 (see full year ).
Return flights
07 Apr
- 21 Apr
Frontier Airlines
$ 451
08 Apr
- 23 Apr
Spirit Airlines
$ 468
28 Apr
- 08 May
Spirit Airlines
$ 492
29 Apr
- 06 May
Spirit Airlines
$ 498
08 Apr
- 30 Apr
Frontier Airlines
$ 506
08 Apr
- 28 Apr
Frontier Airlines
$ 510
08 Apr
- 07 May
Frontier Airlines
$ 515
08 Apr
- 29 Apr
Frontier Airlines
$ 517
08 Apr
- 09 May
Frontier Airlines
$ 521
13 Apr
- 23 Apr
Spirit Airlines
$ 524
08 Apr
- 08 May
Spirit Airlines
$ 524
30 Apr
- 16 May
Spirit Airlines
$ 528
30 Apr
- 20 May
Spirit Airlines
$ 528
30 Apr
- 14 May
Spirit Airlines
$ 532
29 Apr
- 04 May
Spirit Airlines
$ 533
05 Apr
- 02 May
Spirit Airlines
$ 543
08 Apr
- 26 Apr
Spirit Airlines
$ 552
09 Apr
- 27 Apr
Spirit Airlines
$ 553
08 Apr
- 27 Apr
Spirit Airlines
$ 556
11 Apr
- 23 Apr
Spirit Airlines
$ 559
Also check the deals for one-way flights from Chicago to London in April .
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.