AirHint found the following cheapest return flights from London (LHR) to Keflavik (KEF)
in August 2025 (see full year ).
Return flights
24 Aug
- 27 Aug
British Airways
186 €
20 Aug
- 27 Aug
Scandinavian Airlines
191 €
31 Aug
- 05 Sep
British Airways
208 €
31 Aug
- 04 Sep
British Airways
208 €
25 Aug
- 01 Sep
Scandinavian Airlines
211 €
26 Aug
- 04 Sep
Scandinavian Airlines
212 €
25 Aug
- 28 Aug
Scandinavian Airlines
214 €
31 Aug
- 01 Sep
Scandinavian Airlines
217 €
26 Aug
- 02 Sep
Scandinavian Airlines
218 €
27 Aug
- 31 Aug
Scandinavian Airlines
221 €
24 Aug
- 31 Aug
British Airways
221 €
28 Aug
- 01 Sep
British Airways
224 €
28 Aug
- 04 Sep
British Airways
224 €
24 Aug
- 02 Sep
British Airways
228 €
23 Aug
- 31 Aug
Icelandair
229 €
direct
30 Aug
- 03 Sep
Icelandair
229 €
direct
24 Aug
- 27 Aug
Icelandair
230 €
direct
29 Aug
- 31 Aug
Icelandair
231 €
direct
22 Aug
- 27 Aug
Icelandair
233 €
direct
22 Aug
- 26 Aug
Scandinavian Airlines
233 €
Also check the deals for one-way flights from London to Keflavik in August .
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.