Cheapest one-way flights from Rockford to London in December from $350

AirHint found the following cheapest one-way flights from Rockford (RFD) to London (LGW) in December 2025 (see full year).

One-Way flights

12 Dec Allegiant Air
14 Dec Allegiant Air
23 Dec Allegiant Air

Also check the deals for return flights from Rockford to London in December.

Skyscanner

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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