Cheapest return flights from London to Keflavik in June from 337€

AirHint found the following cheapest return flights from London (LCY) to Keflavik (KEF) in June 2026 (see full year).

Return flights

10 Jun - 16 Jun SWISS
05 Jun - 11 Jun Lufthansa
01 Jun - 08 Jun Lufthansa
01 Jun - 04 Jun Lufthansa
24 Jun - 30 Jun SWISS
12 Jun - 25 Jun SWISS
08 Jun - 12 Jun KLM
12 Jun - 19 Jun KLM
15 Jun - 19 Jun KLM
05 Jun - 12 Jun KLM

Also check the deals for one-way flights from London to Keflavik in June.

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Feel free to contact us with any feedback or request another flight research.