Cheapest return flights from Philadelphia to Keflavik in July from $698

AirHint found the following cheapest return flights from Philadelphia (PHL) to Keflavik (KEF) in July 2026 (see full year).

Return flights

13 Jul - 20 Jul Air France
06 Jul - 10 Jul Icelandair

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

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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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