Cheapest return flights from Chicago to London in March from $525

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

AirHint found the following cheapest return flights from Chicago (ORD) to London (LGW) in March 2025 (see full year).

Return flights

05 Mar - 12 Mar Spirit Airlines
05 Mar - 11 Mar Spirit Airlines
02 Mar - 09 Mar Scandinavian Airlines
04 Mar - 11 Mar Spirit Airlines
02 Mar - 06 Mar TAP
12 Mar - 17 Mar Air Canada
10 Mar - 17 Mar Air Canada
06 Mar - 10 Mar Frontier Airlines
24 Mar - 31 Mar Air Canada
13 Mar - 22 Mar Scandinavian Airlines
26 Mar - 01 Apr Icelandair
31 Mar - 08 Apr Turkish Airlines
16 Mar - 02 Apr Turkish Airlines
27 Mar - 08 Apr Turkish Airlines
27 Mar - 07 Apr Turkish Airlines
27 Mar - 03 Apr Turkish Airlines
25 Mar - 03 Apr Turkish Airlines
27 Mar - 05 Apr Turkish Airlines
30 Mar - 03 Apr TAP
28 Mar - 04 Apr Turkish Airlines

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

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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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