Cheapest return flights from London to Keflavik in April from 159€

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

Return flights

24 Apr - 29 Apr easyJet
22 Apr - 29 Apr Ryanair
15 Apr - 22 Apr Ryanair
08 Apr - 12 Apr Ryanair
01 Apr - 22 Apr Jet2
08 Apr - 22 Apr Ryanair
01 Apr - 08 Apr Jet2
06 Apr - 12 Apr Ryanair
18 Apr - 02 May Ryanair
01 Apr - 09 Apr Jet2
01 Apr - 10 Apr Ryanair

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

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.