Cheapest return flights from Chicago to London in March from 384€

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

Return flights

01 Mar - 10 Mar TAP
23 Mar - 30 Mar Icelandair
15 Mar - 24 Mar TAP
01 Mar - 08 Mar Icelandair
09 Mar - 15 Mar Icelandair
04 Mar - 09 Mar Icelandair
08 Mar - 15 Mar Icelandair
10 Mar - 15 Mar Icelandair
17 Mar - 24 Mar Icelandair
11 Mar - 23 Mar Icelandair
25 Mar - 01 Apr Aer Lingus
17 Mar - 06 Apr Aer Lingus
29 Mar - 02 Apr TAP
26 Mar - 05 Apr Turkish Airlines
28 Mar - 04 Apr Spirit Airlines
29 Mar - 04 Apr Spirit Airlines
28 Mar - 03 Apr Icelandair
27 Mar - 04 Apr Austrian Airlines

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

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