AirHint found the following cheapest return flights from London (LHR) to Keflavik (KEF)
in July 2025 (see full year ).
Return flights
09 Jul
- 16 Jul
Scandinavian Airlines
$ 268
21 Jul
- 25 Jul
Icelandair
$ 275
direct
22 Jul
- 25 Jul
Icelandair
$ 276
direct
19 Jul
- 24 Jul
Icelandair
$ 276
direct
07 Jul
- 16 Jul
Icelandair
$ 285
direct
15 Jul
- 20 Jul
Icelandair
$ 286
direct
17 Jul
- 20 Jul
Icelandair
$ 286
direct
09 Jul
- 16 Jul
Icelandair
$ 286
direct
02 Jul
- 22 Jul
Icelandair
$ 286
direct
20 Jul
- 24 Jul
Icelandair
$ 286
direct
05 Jul
- 02 Aug
Icelandair
$ 286
direct
28 Jul
- 04 Aug
Icelandair
$ 286
direct
25 Jul
- 01 Aug
Icelandair
$ 286
direct
29 Jul
- 02 Aug
Icelandair
$ 286
direct
31 Jul
- 04 Aug
Icelandair
$ 286
direct
09 Jul
- 02 Aug
Icelandair
$ 287
direct
21 Jul
- 01 Aug
Icelandair
$ 291
direct
28 Jul
- 11 Aug
Icelandair
$ 299
direct
29 Jul
- 08 Aug
Icelandair
$ 301
direct
31 Jul
- 05 Aug
Scandinavian Airlines
$ 306
Also check the deals for one-way flights from London to Keflavik in July .
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.