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

Return flights

11 Jul - 13 Jul	Allegiant Air
04 Jul - 13 Jul	Allegiant Air
07 Jul - 11 Jul	Allegiant Air
05 Jul - 08 Jul	Allegiant Air
05 Jul - 11 Jul	Allegiant Air
09 Jul - 13 Jul	Allegiant Air
02 Jul - 10 Jul	Allegiant Air
18 Jul - 25 Jul	Allegiant Air

Also check the deals for one-way flights from Rockford to London in July.

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 Rockford to London in July from $717

Return flights