Cheapest return flights from Chicago to London in December from $660

Best time to book flights for Chicago (MDW) to London (LGW) flights at AirHint

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

Return flights

03 Dec - 09 Dec Frontier Airlines
03 Dec - 10 Dec Frontier Airlines
02 Dec - 07 Dec Frontier Airlines
09 Dec - 11 Jan Frontier Airlines
19 Dec - 22 Dec Frontier Airlines
01 Dec - 11 Dec Porter Airlines (Canada) Ltd
18 Dec - 23 Dec Frontier Airlines
25 Dec - 03 Jan Porter Airlines (Canada) Ltd
20 Dec - 29 Dec Frontier Airlines
13 Dec - 29 Dec Frontier Airlines
20 Dec - 04 Jan Frontier Airlines

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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