Cheapest return flights from Dallas-Fort Worth to Keflavik in September from $631
AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Keflavik (KEF) in September 2025 (see full year).
Return flights
| 11 Sep - 18 Sep | Spirit Airlines | ||
| 12 Sep - 19 Sep | jetBlue | ||
| 17 Sep - 24 Sep | United | ||
| 18 Sep - 25 Sep | Delta | ||
| 02 Sep - 09 Sep | United |
Also check the deals for one-way flights from Dallas-Fort Worth to Keflavik in September.
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.
