Cheapest return flights from Chicago to London in March from 403€

AirHint found the following cheapest return flights from Chicago (ORD) to London (LHR) in March 2026 (see full year).

Return flights

02 Mar - 05 Mar Scandinavian Airlines
17 Mar - 24 Mar Icelandair
01 Mar - 31 Mar Icelandair
04 Mar - 09 Mar Icelandair
07 Mar - 09 Mar Scandinavian Airlines
10 Mar - 17 Mar Icelandair
01 Mar - 17 Mar Icelandair
25 Mar - 08 Apr Icelandair
01 Mar - 08 Mar TAP
01 Mar - 07 Mar TAP
05 Mar - 10 Mar Spirit Airlines
23 Mar - 07 Apr Air Canada
30 Mar - 13 Apr Scandinavian Airlines
28 Mar - 28 Apr Air Canada
24 Mar - 16 Apr Aer Lingus
31 Mar - 28 Apr Aer Lingus
31 Mar - 15 Apr Aer Lingus
29 Mar - 06 Apr Icelandair
27 Mar - 11 Apr Spirit Airlines
30 Mar - 27 Apr Scandinavian Airlines

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

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