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Keflavik Intl

$465+ Cheap flights from Philadelphia (PHL) to Keflavik Intl (KEF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — KEF
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
1 adult, Economy
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Cheap flight deals from Philadelphia to Keflavik Intl

Cheapest flights from Philadelphia to Keflavik Intl
Explore the most affordable flight options available from Philadelphia to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.

This SmartFares deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:48 pm
PHL
-
KEF
1 stop9h 22m
Icelandair
Fri 10/27:55 pm
KEF
-
PHL
1 stop17h 55m
Icelandair
Deal found 7/27$601
This oojo deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:45 am
PHL
-
KEF
1 stop17h 25m
Icelandair
Wed 10/217:55 pm
KEF
-
PHL
1 stop17h 55m
Icelandair
Deal found 7/29$605
This oojo deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:30 pm
PHL
-
KEF
1 stop10h 35m
Icelandair
Wed 11/45:00 pm
KEF
-
PHL
1 stop10h 36m
Icelandair
Deal found 7/28$607
This Sembo deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:57 pm
PHL
-
KEF
1 stop10h 08m
Multiple Airlines
Fri 10/27:55 pm
KEF
-
PHL
1 stop17h 55m
Multiple Airlines
Deal found 7/29$609
This oojo deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:57 pm
PHL
-
KEF
1 stop10h 08m
Icelandair
Wed 10/145:10 pm
KEF
-
PHL
1 stop9h 33m
Icelandair
Deal found 7/28$610
This oojo deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:19 pm
PHL
-
KEF
1 stop8h 51m
Icelandair
Mon 10/195:10 pm
KEF
-
PHL
1 stop9h 33m
Icelandair
Deal found 7/27$611
This oojo deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:48 pm
PHL
-
KEF
1 stop9h 22m
Icelandair
Wed 10/147:55 pm
KEF
-
PHL
1 stop17h 55m
Icelandair
Deal found 7/27$612
This Justfly.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/153:25 pm
PHL
-
KEF
1 stop10h 40m
Icelandair
Wed 10/215:10 pm
KEF
-
PHL
1 stop9h 33m
Icelandair
Deal found 7/27$613
This oojo deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:57 pm
PHL
-
KEF
1 stop10h 08m
Icelandair
Wed 9/167:55 pm
KEF
-
PHL
1 stop17h 36m
Icelandair
Deal found 7/28$618
This oojo deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:12 am
PHL
-
KEF
1 stop16h 53m
Icelandair
Wed 9/97:55 pm
KEF
-
PHL
1 stop17h 55m
Icelandair
Deal found 7/26$619
This oojo deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:42 am
PHL
-
KEF
1 stop15h 23m
Icelandair
Mon 9/287:55 pm
KEF
-
PHL
1 stop17h 36m
Icelandair
Deal found 7/30$620

Find flight deals from Philadelphia to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$601
(SmartFares)

One-way from

$465
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$920
Provider with most accurate pricing for Philadelphia-Reykjavik Keflavik Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Reykjavik Keflavik Intl flights.
Search Deals
From Philadelphia to Reykjavik Keflavik Intl
Search Deals
One-way flight from Philadelphia to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($248 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Keflavik Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2026.
Use the filters below to find and compare flights from Philadelphia to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Mon 8/17

10:05 am-7:55 am

1 stop17h 50m

Reykjavik Keflavik Intl

Fri 8/28

9:15 am-2:21 pm

2 stops33h 06m

$768

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Wed 9/2

7:00 am-8:45 am

1 stop21h 45m

Reykjavik Keflavik Intl

Thu 9/10

10:00 am-6:54 pm

2 stops36h 54m

$777

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Fri 10/16

9:34 am-8:50 am

1 stop19h 16m

Reykjavik Keflavik Intl

Tue 10/20

10:00 am-12:25 pm

2 stops30h 25m

$816

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Thu 10/1

3:25 pm-7:55 am

1 stop12h 30m

Reykjavik Keflavik Intl

Tue 10/6

10:00 am-7:42 pm

2 stops37h 42m

$820

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Mon 8/24

9:12 am-6:05 am

1 stop16h 53m

Reykjavik Keflavik Intl

Mon 8/31

5:10 pm-1:05 pm

1 stop23h 55m

$825

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Thu 8/27

10:34 am-7:55 am

2 stops17h 21m

Reykjavik Keflavik Intl

Tue 9/1

9:15 am-12:23 pm

2 stops31h 08m

$833

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Thu 9/24

3:25 pm-7:55 am

1 stop12h 30m

Reykjavik Keflavik Intl

Tue 9/29

10:00 am-12:25 pm

2 stops30h 25m

$833

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Sun 8/23

7:40 pm-7:55 am

2 stops32h 15m

Reykjavik Keflavik Intl

Sun 8/30

10:00 am-12:23 pm

2 stops30h 23m

$837

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Thu 11/26

10:30 am-10:00 am

2 stops42h 30m

Reykjavik Keflavik Intl

Mon 11/30

12:00 pm-9:24 am

2 stops50h 24m

$843
Quickest round-trip

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Tue 8/25

3:05 pm-8:50 am

2 stops13h 45m

Reykjavik Keflavik Intl

Sun 8/30

11:30 am-12:59 am

2 stops17h 29m

$849

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Philadelphia to Keflavik Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Keflavik Intl in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Philadelphia to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Reykjavik Keflavik Intl Airport

How much does it cost to fly round-trip from Philadelphia to Reykjavik Keflavik Intl Airport?

Airfare is below average for this route at the moment.

Philadelphia to Reykjavik Keflavik Intl Airport flights typically cost between $680 and $1,237 in September.
The cheapest round-trip price found within the last 5 days was $601 on Icelandair (Sep 17-Oct 2).

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated July 30, 2026.
Get a feel of what it's like to fly with United Airlines and Icelandair from Philadelphia to Reykjavik Keflavik Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,047 reviews

Food

6.6

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,047 reviews
United Airlines
7.4
Good
10,047 reviews

Food

6.6

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
Icelandair
7.0
Good
716 reviews
United Airlines
7.4
Good
10,047 reviews

Food

6.6

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Philadelphia to Reykjavik Keflavik Intl?

    Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Philadelphia to Reykjavik Keflavik Intl. 2 airlines have flights from Philadelphia to Reykjavik Keflavik Intl on a regular basis. Booking flights from Philadelphia to Reykjavik Keflavik Intl should not be difficult; the airport handles an average of 0 outbound flights to Reykjavik Keflavik Intl per day.

  • How long is the flight from Philadelphia to Reykjavik Keflavik Intl Airport?

    United Airlines can get you from Philadelphia to Reykjavik Keflavik Intl Airport in just under 21h 45m. Your travel time can differ by up to . The distance from Philadelphia to Reykjavik Keflavik Intl Airport is about 2672 mi.

  • What are the cheapest airlines flying from Philadelphia to Reykjavik Keflavik Intl Airport round-trip?

    Cheapflights users have booked flights from Philadelphia to Reykjavik Keflavik Intl Airport round-trip from $594. Another airline that can offer you cheap pricing is United Airlines. Icelandair is priced at 30% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Philadelphia to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Keflavik Intl.

  • Can I find deals for business class flights from Philadelphia to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Philadelphia to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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Alternative routes for Philadelphia to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Keflavik Intl flights
John F Kennedy Intl to Keflavik Intl flights
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Pittsburgh to Keflavik Intl flights

Top 2 airlines flying from Philadelphia to Keflavik Intl

Discover the top 2 airlines that operate flights from Philadelphia to Keflavik Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$594Average$749FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$668Average$1,199FlexibilityNo cancel feeOn-time69%

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