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

Return flights

10 Jun - 17 Jun	TAP
09 Jun - 21 Jun	Air Canada
14 Jun - 21 Jun	Air Canada
13 Jun - 21 Jun	Air Canada
23 Jun - 03 Jul	Air Canada
02 Jun - 05 Jun	jetBlue
01 Jun - 13 Jun	Air Canada
24 Jun - 30 Jun	Aer Lingus
26 Jun - 01 Jul	WestJet
18 Jun - 28 Jul	TAP
07 Jun - 27 Jun	Air Canada
25 Jun - 04 Jul	TAP
25 Jun - 11 Jul	TAP
12 Jun - 04 Jul	TAP
02 Jun - 27 Jun	Air Canada
01 Jun - 27 Jun	Aer Lingus
25 Jun - 12 Jul	Air Canada

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 $828

Return flights