Cheapest one-way flights from London to Keflavik in August from $60

Best time to book flights for London (LON) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest one-way flights from London (LON) to Keflavik (KEF) in August 2025 (see full year).

One-Way flights

24 Aug easyJet direct
31 Aug easyJet direct
20 Aug easyJet direct
27 Aug easyJet direct
10 Aug easyJet direct
22 Aug Fly Play direct
28 Aug British Airways direct
07 Aug British Airways direct
29 Aug Fly Play direct
14 Aug British Airways direct

Also check the deals for return flights from London to Keflavik in August.

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