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

Return flights

07 Jun - 17 Jun	TAP
09 Jun - 18 Jun	jetBlue
25 Jun - 04 Jul	TAP
18 Jun - 11 Jul	TAP
24 Jun - 01 Jul	TAP
01 Jun - 14 Jun	British Airways	direct
17 Jun - 23 Jun	TAP
02 Jun - 27 Jun	Air Canada
24 Jun - 04 Jul	TAP
21 Jun - 05 Jul	jetBlue
09 Jun - 04 Jul	jetBlue
21 Jun - 04 Jul	TAP
15 Jun - 11 Jul	jetBlue
26 Jun - 05 Jul	Scandinavian Airlines
12 Jun - 22 Jun	Scandinavian Airlines
17 Jun - 23 Jun	Iberia	direct
15 Jun - 11 Jul	British Airways	direct
02 Jun - 27 Jun	British Airways	direct
12 Jun - 22 Jun	Iberia	direct

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 $941

Return flights