Cheapest return flights from Chicago to London in March from 516€

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 March 2025 (see full year).

Return flights

02 Mar - 09 Mar Scandinavian Airlines
09 Mar - 23 Mar Scandinavian Airlines
16 Mar - 24 Mar Scandinavian Airlines
09 Mar - 17 Mar Scandinavian Airlines
24 Mar - 26 Mar Delta
03 Mar - 17 Mar Scandinavian Airlines
06 Mar - 12 Mar Scandinavian Airlines
13 Mar - 20 Mar Scandinavian Airlines
13 Mar - 19 Mar Scandinavian Airlines
30 Mar - 13 Apr Scandinavian Airlines
27 Mar - 05 Apr Icelandair
31 Mar - 06 Apr Icelandair
14 Mar - 19 Mar Scandinavian Airlines
29 Mar - 05 Apr Icelandair
27 Mar - 10 Apr Scandinavian Airlines
28 Mar - 03 Apr Scandinavian Airlines
27 Mar - 15 Apr Scandinavian Airlines
27 Mar - 14 Apr Scandinavian Airlines
27 Mar - 13 Apr Scandinavian Airlines
28 Mar - 15 Apr Scandinavian 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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