AirHint found the following cheapest return flights from Dublin (DUB) to Keflavik (KEF)
in May 2025 (see full year ).
Return flights
15 May
- 18 May
Fly Play
139 €
direct
22 May
- 25 May
Fly Play
139 €
direct
22 May
- 26 May
Fly Play
139 €
direct
05 May
- 11 May
Fly Play
141 €
direct
08 May
- 12 May
Fly Play
141 €
direct
09 May
- 23 May
Fly Play
141 €
direct
09 May
- 12 May
Fly Play
141 €
direct
15 May
- 23 May
Fly Play
142 €
direct
09 May
- 11 May
Fly Play
148 €
direct
21 May
- 25 May
Fly Play
152 €
direct
21 May
- 03 Jun
Fly Play
158 €
direct
29 May
- 03 Jun
Fly Play
171 €
direct
26 May
- 03 Jun
Fly Play
176 €
direct
30 May
- 03 Jun
Scandinavian Airlines
185 €
28 May
- 01 Jun
Fly Play
193 €
direct
30 May
- 07 Jun
Ryanair
217 €
31 May
- 03 Jun
Ryanair
218 €
31 May
- 02 Jun
Ryanair
218 €
27 May
- 03 Jun
Ryanair
227 €
30 May
- 03 Jun
Fly Play
249 €
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.