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Keflavik Intl

$212+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — KEF
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
1 adult, Economy
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Cheap 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 August 13, 2025.

Round-trip from

$532
(Mytrip)

One-way from

$212
(Mytrip)

Popular in

April

Cheapest in

May

Average price

$810
From Philadelphia to Reykjavik Keflavik Intl
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One-way flight from Philadelphia to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 7% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 13, 2025.

This Mytrip deal was found by Cheapflights users on 8/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/912:00 pmPHL - KEF
3 stops36h 55mMultiple Airlines
Tue 9/163:05 pmKEF - PHL
2 stops22h 41mMultiple Airlines
Deal found 8/12$532
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1810:47 amPHL - KEF
2 stops13h 58mMultiple Airlines
Wed 8/273:45 pmKEF - PHL
1 stop23h 34mMultiple Airlines
Deal found 8/11$535
This Mytrip deal was found by Cheapflights users on 8/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/116:25 amPHL - KEF
2 stops21h 45mMultiple Airlines
Thu 9/189:50 amKEF - PHL
2 stops16h 39mMultiple Airlines
Deal found 8/12$553
This Mytrip deal was found by Cheapflights users on 8/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:25 amPHL - KEF
2 stops21h 50mMultiple Airlines
Mon 9/229:50 amKEF - PHL
2 stops16h 39mMultiple Airlines
Deal found 8/11$554
This Mytrip deal was found by Cheapflights users on 8/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/225:30 amPHL - KEF
2 stops19h 25mMultiple Airlines
Wed 10/13:05 pmKEF - PHL
2 stops22h 41mMultiple Airlines
Deal found 8/11$559
This Mytrip deal was found by Cheapflights users on 8/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:25 amPHL - KEF
2 stops21h 50mMultiple Airlines
Wed 9/179:30 amKEF - PHL
3 stops33h 29mMultiple Airlines
Deal found 8/11$575

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 August 13, 2025.
Use the filters below to find and compare flights from Philadelphia to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Philadelphia

Fly to

Keflavik Intl

Route

Depart

Return

Price

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Tue 9/9

12:00 pm-4:55 am

3 stops36h 55m

Reykjavik Keflavik Intl

Tue 9/16

3:05 pm-9:46 am

2 stops22h 41m

$532

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Mon 8/18

10:47 am-4:45 am

2 stops13h 58m

Reykjavik Keflavik Intl

Wed 8/27

3:45 pm-11:19 am

1 stop23h 34m

$535

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Thu 9/11

6:25 am-8:10 am

2 stops21h 45m

Reykjavik Keflavik Intl

Thu 9/18

9:50 am-10:29 pm

2 stops16h 39m

$553

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Mon 9/15

6:25 am-8:15 am

2 stops21h 50m

Reykjavik Keflavik Intl

Mon 9/22

9:50 am-10:29 pm

2 stops16h 39m

$554

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Mon 9/22

5:30 am-4:55 am

2 stops19h 25m

Reykjavik Keflavik Intl

Wed 10/1

3:05 pm-9:46 am

2 stops22h 41m

$559

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Mon 9/15

5:30 am-4:45 am

2 stops19h 15m

$212

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Sun 8/24

8:41 pm-4:50 am

2 stops28h 09m

$225

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Tue 8/26

5:45 am-4:55 am

2 stops19h 10m

$226

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

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

What is the cheapest month to book a flight from Philadelphia to Reykjavik Keflavik Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Philadelphia to Reykjavik Keflavik Intl Airport (average of $328). Flying from Philadelphia to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $655). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHL to KEF?

Find hourly flight availability from Philadelphia to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 13, 2025.

When flying from Philadelphia to Reykjavik Keflavik Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 19% versus a flight at noon.

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 August 13, 2025.
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
8,920 reviews

Entertainment

7.1

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,920 reviews
United Airlines
7.4
Good
8,920 reviews

Entertainment

7.1

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Icelandair
7.0
Good
526 reviews
United Airlines
7.4
Good
8,920 reviews

Entertainment

7.1

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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.

  • What is the cheapest month to book a flight from Philadelphia to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Philadelphia to Reykjavik Keflavik Intl Airport (average of $328). Flying from Philadelphia to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $655). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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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 August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$489Average$914FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$617Average$1,010FlexibilityNo cancel feeOn-time69%

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