AirHint found the following cheapest return flights from London (LHR) to Keflavik (KEF)
in August 2025 (see full year ).
Return flights
27 Aug
- 04 Sep
Scandinavian Airlines
198 €
27 Aug
- 30 Aug
Scandinavian Airlines
206 €
27 Aug
- 31 Aug
Scandinavian Airlines
211 €
28 Aug
- 03 Sep
British Airways
211 €
direct
27 Aug
- 08 Sep
Scandinavian Airlines
212 €
30 Aug
- 10 Sep
British Airways
213 €
direct
20 Aug
- 28 Aug
Scandinavian Airlines
218 €
20 Aug
- 25 Aug
Scandinavian Airlines
218 €
24 Aug
- 31 Aug
British Airways
220 €
24 Aug
- 27 Aug
British Airways
220 €
20 Aug
- 27 Aug
Scandinavian Airlines
220 €
24 Aug
- 28 Aug
British Airways
220 €
26 Aug
- 02 Sep
Scandinavian Airlines
221 €
20 Aug
- 01 Sep
Icelandair
221 €
direct
20 Aug
- 30 Aug
Scandinavian Airlines
222 €
30 Aug
- 12 Sep
Icelandair
222 €
direct
25 Aug
- 03 Sep
British Airways
223 €
direct
25 Aug
- 01 Sep
Scandinavian Airlines
224 €
27 Aug
- 31 Aug
Icelandair
225 €
direct
27 Aug
- 08 Sep
Icelandair
225 €
direct
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.