Cheapest one-way flights from Portland to Keflavik in May from 288€
AirHint found the following cheapest one-way flights from Portland (PDX) to Keflavik (KEF) in May 2025 (see full year).
One-Way flights
| 10 May | Alaska Airlines | ||
| 11 May | Frontier Airlines | ||
| 07 May | Alaska Airlines | ||
| 08 May | Alaska Airlines | ||
| 07 May | Icelandair | direct | |
| 08 May | Icelandair | direct | |
| 11 May | Icelandair | direct |
Also check the deals for return flights from Portland 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.
