Cheapest return flights from Dallas-Fort Worth to Keflavik in May from $609
AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Keflavik (KEF) in May 2025 (see full year).
Return flights
| 25 May - 03 Jun | Frontier Airlines | ||
| 25 May - 01 Jun | Frontier Airlines | ||
| 28 May - 04 Jun | KLM | ||
| 27 May - 03 Jun | Finnair | ||
| 31 May - 07 Jun | United | ||
| 26 May - 02 Jun | Air France | ||
| 22 May - 28 May | Finnair |
Also check the deals for one-way flights from Dallas-Fort Worth 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.
