Cheapest return flights from Philadelphia to Keflavik in July from 733€

AirHint found the following cheapest return flights from Philadelphia (PHL) to Keflavik (KEF) in July 2025 (see full year).

Return flights

10 Jul - 16 Jul Icelandair
17 Jul - 22 Jul jetBlue
17 Jul - 21 Jul Icelandair
06 Jul - 13 Jul Frontier Airlines
03 Jul - 06 Jul Icelandair

Also check the deals for one-way flights from Philadelphia to Keflavik in July.

Skyscanner

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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