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Good to Know - Flights from Philadelphia to Keflavik

Low Season:
June
Best time to beat the crowds
High Season:
February
Most popular time to fly
Good Deal:
$ 733.76
or less (round trip)

Cheapest Day of the Month to Book Flights



Top Tips for Finding Cheap Flights from Philadelphia to Keflavik

Looking for cheap airfare from Philadelphia to Keflavik? 25% of our users found round-trip tickets to Keflavik for the following price or less: $ 733.76 Book at least 4 weeks before departure in order to get a below-average price. High season is considered to be February. The cheapest month to fly from Philadelphia to Keflavik is June. Enter your preferred departure airport and travel dates into the search form above to unlock the latest Philadelphia to Keflavik flight deals.

FAQs - Booking from Philadelphia to Keflavik flights

How long is the flight from Philadelphia to Keflavik?
A flight from Philadelphia to Keflavik takes 19hours.
What is the cheapest flight Philadelphia to Keflavik?:
The cheapest flight Philadelphia to Keflavik found on flyus.com in the last 72 hours was $733.76 round-trip.
 
Which airlines fly to Keflavik?:
• Icelandair
• JetBlue Airways
• Air Canada
• United Airlines
• Lufthansa
 

Find cheap flights from Philadelphia to Keflavik and book discounted airfare from different cities all over the United States. Explore airline ticket deals on flight routes all over the World! At Flyus, we take pride in helping you discover and book the best flight deals for your next trip at the cheapest price. We make booking flights from different departures easy and provide you with peace of mind with our Best Purchase Guarantee.

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Cheapest Flights
from Philadelphia, United States (PHL) to:

  • Keflavik, Iceland (KEF)
    Mar 25, 25 - Apr 22, 25
    $733.76
    Search

  • Keflavik, Iceland (KEF)
    Aug 11, 25 - Sep 03, 25
    $758.18
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  • Keflavik, Iceland (KEF)
    Sep 20, 25 - Oct 04, 25
    $763.65
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  • Keflavik, Iceland (KEF)
    Sep 07, 25 - Oct 01, 25
    $769.18
    Search

  • Keflavik, Iceland (KEF)
    Sep 05, 25 - Oct 01, 25
    $769.28
    Search