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Keflavik Intl

$454+ 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — KEF
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Sat 12/277:18 pmPHL - KEF
2 stops29h 47mMultiple Airlines
Mon 12/294:45 pmKEF - PHL
1 stop11h 30mMultiple Airlines
Deal found 12/17$1,351
This Icelandair deal was found by Cheapflights users on 12/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/172:45 pmPHL - KEF
1 stop10h 30mMultiple Airlines
Wed 12/245:00 pmKEF - PHL
1 stop30h 10mMultiple Airlines
Deal found 12/16$1,355
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Wed 12/316:00 amPHL - KEF
2 stops18h 55mMultiple Airlines
Tue 1/65:15 pmKEF - PHL
1 stop27h 00mMultiple Airlines
Deal found 12/15$1,383
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Sun 12/2110:00 pmPHL - KEF
2 stops27h 30mMultiple Airlines
Tue 12/234:45 pmKEF - PHL
1 stop22h 17mMultiple Airlines
Deal found 12/17$1,394
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Sun 12/286:30 amPHL - KEF
2 stops19h 00mMultiple Airlines
Mon 12/294:45 pmKEF - PHL
1 stop11h 30mMultiple Airlines
Deal found 12/17$1,424
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Tue 12/305:35 pmPHL - KEF
1 stop31h 20mMultiple Airlines
Mon 1/55:10 pmKEF - PHL
2 stops30h 26mMultiple Airlines
Deal found 12/15$1,451
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 12/296:00 amPHL - KEF
1 stop19h 40mMultiple Airlines
Mon 1/55:10 pmKEF - PHL
2 stops30h 26mMultiple Airlines
Deal found 12/15$1,453
This Finnair deal was found by Cheapflights users on 12/15. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:35 pmPHL - KEF
2 stops33h 25mFinnair
Mon 1/59:45 amKEF - PHL
2 stops57h 15mFinnair
Deal found 12/15$1,486
This British Airways deal was found by Cheapflights users on 12/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:50 pmPHL - KEF
2 stops40h 25mBritish Airways
Tue 1/611:50 amKEF - PHL
2 stops31h 10mBritish Airways
Deal found 12/15$1,508
This Trip.com deal was found by Cheapflights users on 12/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:00 amPHL - KEF
2 stops34h 45mMultiple Airlines
Mon 12/225:00 pmKEF - PHL
2 stops34h 58mMultiple Airlines
Deal found 12/16$1,519
This Expedia deal was found by Cheapflights users on 12/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:05 pmPHL - KEF
2 stops30h 25mMultiple Airlines
Sun 12/285:00 pmKEF - PHL
1 stop19h 55mMultiple Airlines
Deal found 12/17$1,525

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$519
(Trip.com)

One-way from

$454
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$722
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.
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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. 7% potential increase in price ($69 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 18, 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

Wed 5/6

7:05 pm-7:50 am

2 stops32h 45m

Reykjavik Keflavik Intl

Tue 5/12

5:10 pm-3:30 pm

2 stops26h 20m

$542

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Wed 5/6

6:30 pm-7:00 am

1 stop32h 30m

Reykjavik Keflavik Intl

Tue 5/12

8:50 am-11:00 pm

1 stop18h 10m

$558

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Tue 3/3

9:20 pm-9:00 am

2 stops30h 40m

Reykjavik Keflavik Intl

Sun 3/8

10:00 am-2:55 pm

2 stops32h 55m

$566

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Mon 2/23

1:02 pm-6:40 am

1 stop12h 38m

Reykjavik Keflavik Intl

Sat 2/28

4:45 pm-11:05 pm

1 stop11h 20m

$573

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Thu 3/26

6:00 am-6:05 am

1 stop20h 05m

Reykjavik Keflavik Intl

Sun 3/29

9:55 am-9:47 pm

1 stop15h 52m

$577

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Sun 3/1

6:35 pm-9:15 am

2 stops33h 40m

Reykjavik Keflavik Intl

Sat 3/7

10:00 am-1:55 pm

2 stops32h 55m

$582

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Sun 3/1

6:35 pm-9:15 am

2 stops33h 40m

Reykjavik Keflavik Intl

Sun 3/8

10:00 am-2:55 pm

2 stops32h 55m

$582

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Fri 3/20

7:55 pm-5:15 pm

2 stops17h 20m

Reykjavik Keflavik Intl

Mon 3/23

9:45 am-2:10 pm

2 stops32h 25m

$588

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Sat 1/31

6:40 pm-9:15 am

2 stops33h 35m

Reykjavik Keflavik Intl

Mon 2/9

10:00 am-2:05 pm

2 stops33h 05m

$590

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Thu 3/19

7:40 pm-9:15 am

2 stops33h 35m

Reykjavik Keflavik Intl

Mon 3/23

9:45 am-2:10 pm

2 stops32h 25m

$593

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 17 results
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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Philadelphia-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

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

Currently, June is the cheapest month in which you can book a flight from Philadelphia to Reykjavik Keflavik Intl Airport (average of $187). Flying from Philadelphia to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $308). 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 December 18, 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 evening, which can drop the price by up to 28% 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 December 18, 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
9,091 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,091 reviews
United Airlines
7.4
Good
9,091 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
Icelandair
7.0
Good
591 reviews
United Airlines
7.4
Good
9,091 reviews

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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?

    Finnair can get you from Philadelphia to Reykjavik Keflavik Intl Airport in just under 32h 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 $489. Another airline that can offer you cheap pricing is United Airlines. Icelandair is priced at 40% 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.

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

    Currently, June is the cheapest month in which you can book a flight from Philadelphia to Reykjavik Keflavik Intl Airport (average of $187). Flying from Philadelphia to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $308). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$489Average$968FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$617Average$931FlexibilityNo cancel feeOn-time69%

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