AirHint found the following cheapest return flights from London (LGW) to Keflavik (KEF)
in May 2025 (see full year ).
Return flights
08 May
- 18 May
Icelandair
146 €
direct
08 May
- 11 May
Icelandair
153 €
direct
15 May
- 24 May
Icelandair
154 €
direct
13 May
- 17 May
Icelandair
154 €
direct
15 May
- 18 May
Icelandair
154 €
direct
13 May
- 18 May
Icelandair
154 €
direct
14 May
- 18 May
Icelandair
155 €
direct
10 May
- 14 May
Icelandair
155 €
direct
10 May
- 11 May
Icelandair
155 €
direct
17 May
- 20 May
Wizz Air Malta
156 €
30 May
- 03 Jun
Icelandair
180 €
direct
30 May
- 11 Jun
Icelandair
181 €
direct
21 May
- 08 Jun
Icelandair
199 €
direct
28 May
- 03 Jun
Icelandair
200 €
direct
28 May
- 05 Jun
Icelandair
200 €
direct
31 May
- 14 Jun
Icelandair
205 €
direct
30 May
- 02 Jun
Icelandair
214 €
direct
22 May
- 08 Jun
Icelandair
214 €
direct
23 May
- 02 Jun
Icelandair
261 €
direct
27 May
- 01 Jun
Icelandair
262 €
direct
Also check the deals for one-way flights from London to Keflavik in May .
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.