Cheapest one-way flights from Chicago to London in May from $254

AirHint found the following cheapest one-way flights from Chicago (ORD) to London (LHR) in May 2026 (see full year).

One-Way flights

11 May Icelandair
08 May Icelandair
06 May Icelandair
04 May Spirit Airlines
10 May Icelandair
12 May Spirit Airlines
13 May Spirit Airlines
07 May Icelandair
01 May Icelandair
03 May Icelandair

Also check the deals for return flights from Chicago to London in May.

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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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