Cheapest return flights from Chicago to London in December from 414€
AirHint found the following cheapest return flights from Chicago (ORD) to London (LHR)
in December 2025 (see full year ).
Return flights
01 Dec
- 05 Dec
Icelandair
414 €
05 Dec
- 07 Dec
United
426 €
02 Dec
- 10 Dec
Air France
439 €
03 Dec
- 10 Dec
Icelandair
441 €
02 Dec
- 10 Dec
British Airways
444 €
direct
03 Dec
- 10 Dec
British Airways
447 €
direct
08 Dec
- 15 Dec
British Airways
489 €
direct
13 Dec
- 09 Jan
Icelandair
493 €
08 Dec
- 12 Dec
Scandinavian Airlines
497 €
13 Dec
- 26 Dec
Scandinavian Airlines
507 €
13 Dec
- 27 Dec
Scandinavian Airlines
507 €
20 Dec
- 17 Jan
Scandinavian Airlines
559 €
14 Dec
- 06 Jan
Scandinavian Airlines
570 €
13 Dec
- 09 Jan
Iberia
573 €
direct
24 Dec
- 07 Jan
United
591 €
17 Dec
- 09 Jan
Scandinavian Airlines
607 €
12 Dec
- 05 Jan
Scandinavian Airlines
650 €
24 Dec
- 07 Jan
British Airways
661 €
direct
17 Dec
- 05 Jan
Scandinavian Airlines
682 €
18 Dec
- 11 Jan
jetBlue
704 €
Also check the deals for one-way flights from Chicago to London in December .
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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