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

Return flights

01 Jun - 15 Jun	Air Canada
19 Jun - 28 Jun	WestJet
04 Jun - 07 Jun	jetBlue
07 Jun - 20 Jun	Icelandair
01 Jun - 22 Jun	Air Canada
08 Jun - 22 Jun	Air Canada
15 Jun - 20 Jun	Icelandair
16 Jun - 20 Jun	Icelandair
10 Jun - 21 Jun	Icelandair
25 Jun - 30 Jun	Air Canada
30 Jun - 15 Jul	WestJet

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 653€

Return flights