AirHint found the following cheapest return flights from London (LGW) to Keflavik (KEF)
in May 2025 (see full year ).
Return flights
06 May
- 13 May
Icelandair
146 €
direct
10 May
- 17 May
Icelandair
147 €
direct
10 May
- 18 May
Icelandair
147 €
direct
10 May
- 13 May
Icelandair
148 €
direct
08 May
- 18 May
Icelandair
149 €
direct
01 May
- 25 May
Icelandair
151 €
direct
06 May
- 14 May
Icelandair
152 €
direct
18 May
- 23 May
Icelandair
153 €
direct
14 May
- 18 May
Icelandair
153 €
direct
15 May
- 23 May
Icelandair
153 €
direct
29 May
- 08 Jun
Icelandair
158 €
direct
29 May
- 03 Jun
Icelandair
164 €
direct
31 May
- 15 Jun
Icelandair
171 €
direct
31 May
- 14 Jun
Icelandair
172 €
direct
30 May
- 13 Jun
Icelandair
172 €
direct
30 May
- 03 Jun
Icelandair
176 €
direct
30 May
- 07 Jun
Icelandair
176 €
direct
31 May
- 07 Jun
Icelandair
176 €
direct
31 May
- 08 Jun
Icelandair
176 €
direct
30 May
- 09 Jun
Icelandair
180 €
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.