AirHint found the following cheapest return flights from Chicago (MDW) to London (LGW)
in May 2025 (see full year ).
Return flights
27 May
- 07 Jun
Porter Airlines (Canada) Ltd
$ 681
27 May
- 11 Jun
Porter Airlines (Canada) Ltd
$ 692
03 May
- 09 May
Porter Airlines (Canada) Ltd
$ 696
26 May
- 07 Jun
Porter Airlines (Canada) Ltd
$ 702
27 May
- 10 Jun
Porter Airlines (Canada) Ltd
$ 706
23 May
- 03 Jun
Porter Airlines (Canada) Ltd
$ 711
27 May
- 14 Jun
Porter Airlines (Canada) Ltd
$ 712
27 May
- 08 Jun
Porter Airlines (Canada) Ltd
$ 712
27 May
- 13 Jun
Porter Airlines (Canada) Ltd
$ 720
23 May
- 27 May
Porter Airlines (Canada) Ltd
$ 726
16 May
- 27 May
Porter Airlines (Canada) Ltd
$ 741
06 May
- 09 May
Porter Airlines (Canada) Ltd
$ 744
22 May
- 30 May
Porter Airlines (Canada) Ltd
$ 884
01 May
- 08 May
Porter Airlines (Canada) Ltd
$ 1273
03 May
- 12 May
Porter Airlines (Canada) Ltd
$ 1279
03 May
- 10 May
Porter Airlines (Canada) Ltd
$ 1358
16 May
- 26 May
Frontier Airlines
$ 1370
04 May
- 08 May
Porter Airlines (Canada) Ltd
$ 1421
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.
