Cheapest return flights from Phoenix to Keflavik in June from $597

Best time to book flights for Phoenix (PHX) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Phoenix (PHX) to Keflavik (KEF) in June 2025 (see full year).

Return flights

23 Jun - 30 Jun Spirit Airlines
16 Jun - 26 Jun Spirit Airlines
10 Jun - 19 Jun Alaska Airlines
18 Jun - 25 Jun WestJet
23 Jun - 02 Jul jetBlue
15 Jun - 24 Jun jetBlue
23 Jun - 28 Jun Spirit Airlines
19 Jun - 28 Jun WestJet
09 Jun - 18 Jun Hawaiian Airlines
05 Jun - 14 Jun WestJet
01 Jun - 09 Jun Air Canada
30 Jun - 09 Jul Frontier Airlines
29 Jun - 07 Jul jetBlue
24 Jun - 03 Jul jetBlue
28 Jun - 07 Jul Frontier Airlines

Also check the deals for one-way flights from Phoenix to Keflavik in June.

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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.

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