Cheapest return flights from Chicago to London in May from $572

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

Return flights

01 May - 08 May TAP
10 May - 20 May Icelandair
06 May - 12 May TAP
02 May - 09 May TAP
10 May - 10 Jun TAP
12 May - 06 Jun Icelandair
13 May - 06 Jun Icelandair
18 May - 01 Jun Icelandair
30 May - 11 Jun TAP
18 May - 13 Jun Icelandair
21 May - 13 Jun jetBlue
24 May - 13 Jun TAP
20 May - 13 Jun TAP
30 May - 03 Jun TAP

Also check the deals for one-way 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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