AirHint found the following cheapest return flights from Portland (PDX) to Keflavik (KEF)
in June 2025 (see full year ).
Return flights
01 Jun
- 08 Jun
Icelandair
612 €
direct
05 Jun
- 11 Jun
Delta
621 €
04 Jun
- 11 Jun
Air France
624 €
05 Jun
- 11 Jun
Icelandair
633 €
direct
04 Jun
- 11 Jun
Icelandair
635 €
direct
03 Jun
- 11 Jun
Air France
651 €
04 Jun
- 15 Jun
Icelandair
655 €
direct
02 Jun
- 12 Jun
Icelandair
656 €
direct
03 Jun
- 09 Jun
Hawaiian Airlines
664 €
02 Jun
- 17 Jun
Icelandair
665 €
direct
17 Jun
- 02 Jul
jetBlue
771 €
29 Jun
- 07 Jul
Icelandair
941 €
24 Jun
- 04 Jul
Hawaiian Airlines
943 €
18 Jun
- 09 Jul
Frontier Airlines
971 €
24 Jun
- 05 Jul
Hawaiian Airlines
1017 €
24 Jun
- 03 Jul
Hawaiian Airlines
1017 €
27 Jun
- 05 Jul
Frontier Airlines
1053 €
18 Jun
- 09 Jul
Icelandair
1108 €
direct
Also check the deals for one-way flights from Portland to Keflavik in June .
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.