AirHint found the following cheapest return flights from Rockford (RFD) to London (LGW) in June 2025 (see full year).

Return flights

13 Jun - 17 Jun	Allegiant Air
16 Jun - 24 Jun	Allegiant Air
16 Jun - 20 Jun	Allegiant Air
26 Jun - 05 Jul	Allegiant Air
06 Jun - 12 Jun	Allegiant Air
29 Jun - 12 Jul	Allegiant Air
08 Jun - 18 Jun	Allegiant Air
11 Jun - 17 Jun	Allegiant Air
11 Jun - 15 Jun	Allegiant Air
09 Jun - 13 Jun	Allegiant Air
06 Jun - 13 Jun	Allegiant Air
06 Jun - 15 Jun	Allegiant Air

Also check the deals for one-way flights from Rockford 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 Rockford to London in June from $860

Return flights