AirHint found the following cheapest return flights from Phoenix (PHX) to Keflavik (KEF) in April 2026 (see full year).
Return flights
| 05 Apr - 12 Apr | Sun Country Airlines | ||
| 08 Apr - 15 Apr | Sun Country Airlines | ||
| 06 Apr - 13 Apr | Frontier Airlines | ||
| 07 Apr - 14 Apr | Hawaiian Airlines | ||
| 04 Apr - 11 Apr | jetBlue | ||
| 17 Apr - 24 Apr | jetBlue |
Also check the deals for one-way flights from Phoenix to Keflavik in April.
Powered by
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.
Find us on social media