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

Return flights

03 Jun - 10 Jun	Spirit Airlines
01 Jun - 10 Jun	Icelandair
02 Jun - 17 Jun	Spirit Airlines
14 Jun - 18 Jun	TAP
07 Jun - 11 Jun	TAP
05 Jun - 16 Jun	TAP
10 Jun - 20 Jun	Icelandair
09 Jun - 12 Jun	Spirit Airlines
16 Jun - 23 Jun	Icelandair
24 Jun - 03 Jul	Icelandair
19 Jun - 29 Jun	Air Canada
27 Jun - 11 Jul	TAP
05 Jun - 02 Jul	Spirit Airlines
28 Jun - 18 Jul	TAP
22 Jun - 06 Jul	Turkish Airlines
26 Jun - 13 Jul	WestJet
25 Jun - 05 Jul	Icelandair
26 Jun - 05 Jul	Turkish Airlines
30 Jun - 04 Jul	Spirit Airlines
20 Jun - 04 Jul	TAP

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

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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Cheapest return flights from Chicago to London in June from 660€

Return flights