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

Return flights

09 Jun - 19 Jun	WestJet
07 Jun - 19 Jun	SWISS
09 Jun - 04 Jul	WestJet
13 Jun - 20 Jun	TAP
18 Jun - 11 Jul	TAP
04 Jun - 20 Jun	TAP
09 Jun - 21 Jun	WestJet
15 Jun - 29 Jun	jetBlue
08 Jun - 05 Jul	jetBlue
26 Jun - 18 Jul	TAP
15 Jun - 30 Jun	jetBlue
04 Jun - 27 Jun	WestJet
06 Jun - 27 Jun	TAP
02 Jun - 27 Jun	SWISS

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Chicago to London in June from 846€

Return flights