Cheapest one-way flights from Chicago to London in December from 164€

AirHint found the following cheapest one-way flights from Chicago (ORD) to London (LGW) in December 2025 (see full year).

One-Way flights

03 Dec Frontier Airlines
09 Dec jetBlue
06 Dec Spirit Airlines
02 Dec Spirit Airlines
04 Dec Spirit Airlines
07 Dec jetBlue
12 Dec Frontier Airlines
01 Dec Spirit Airlines
13 Dec Frontier Airlines
31 Dec Spirit Airlines

Also check the deals for return 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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