AirHint found the following cheapest return flights from Dublin (DUB) to Keflavik (KEF)
in May 2025 (see full year ).
Return flights
12 May
- 16 May
Fly Play
$ 180
direct
05 May
- 12 May
Fly Play
$ 181
direct
22 May
- 26 May
Fly Play
$ 181
direct
07 May
- 12 May
Fly Play
$ 181
direct
08 May
- 15 May
Fly Play
$ 183
direct
12 May
- 19 May
Fly Play
$ 183
direct
16 May
- 23 May
Fly Play
$ 183
direct
29 May
- 04 Jun
Fly Play
$ 213
direct
31 May
- 03 Jun
British Airways
$ 224
03 May
- 07 May
British Airways
$ 226
28 May
- 02 Jun
Fly Play
$ 226
16 May
- 20 May
Fly Play
$ 229
31 May
- 05 Jun
British Airways
$ 232
02 May
- 10 May
Icelandair
$ 245
direct
28 May
- 02 Jun
Icelandair
$ 252
direct
31 May
- 05 Jun
Icelandair
$ 283
direct
31 May
- 03 Jun
Icelandair
$ 299
direct
Also check the deals for one-way flights from Dublin 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.