Cheapest return flights from Chicago to London in December from $489

Best time to book flights for Chicago (ORD) to London (LHR) flights at AirHint

AirHint found the following cheapest return flights from Chicago (ORD) to London (LHR) in December 2024 (see full year).

Return flights

01 Dec - 10 Dec TAP
04 Dec - 10 Dec TAP
01 Dec - 14 Dec Aer Lingus
09 Dec - 16 Dec British Airways
01 Dec - 10 Dec Iberia direct
11 Dec - 22 Dec TAP
03 Dec - 11 Dec British Airways direct
04 Dec - 10 Dec British Airways direct
12 Dec - 23 Dec Air Canada
01 Dec - 14 Dec British Airways direct
25 Dec - 01 Jan TAP
18 Dec - 11 Jan TAP
25 Dec - 01 Jan Iberia direct
24 Dec - 01 Jan United
24 Dec - 01 Jan British Airways direct
20 Dec - 10 Jan Iberia
18 Dec - 11 Jan Iberia direct
20 Dec - 10 Jan British Airways direct
28 Dec - 07 Jan Lufthansa
24 Dec - 07 Jan British Airways direct

Also check the deals for one-way flights from Chicago to London in December.

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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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