Cheapest return flights from London (STN) to Keflavik (KEF), April

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
21 Apr 28 Apr Ryanair
23 Apr 26 Apr Ryanair
21 Apr 30 Apr Ryanair
23 Apr 25 Apr Ryanair
04 Apr 07 Apr Ryanair
20 Apr 25 Apr Ryanair
15 Apr 22 Apr easyJet
05 Apr 08 Apr Ryanair
12 Apr 17 Apr Jet2
08 Apr 14 Apr Ryanair
29 Apr 03 May Ryanair
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deals for one-way flights from London to Keflavik in April.

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Updated Aug 25, 2026.

About these fares

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