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Keflavik Intl

$395+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — KEF
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
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 March 10, 2026.

This American Airlines deal was found by Cheapflights users on 3/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:05 pm
PHL
-
KEF
1 stop31h 35m
American Airlines
Wed 4/2911:00 am
KEF
-
PHL
1 stop33h 40m
American Airlines
Deal found 3/8$560
This American Airlines deal was found by Cheapflights users on 3/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2010:05 pm
PHL
-
KEF
1 stop31h 55m
American Airlines
Mon 4/2710:40 am
KEF
-
PHL
1 stop32h 50m
American Airlines
Deal found 3/6$561
This Air Canada deal was found by Cheapflights users on 3/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:05 am
PHL
-
KEF
1 stop17h 50m
Air Canada
Tue 8/259:15 am
KEF
-
PHL
1 stop9h 34m
Air Canada
Deal found 3/6$567
This American Airlines deal was found by Cheapflights users on 3/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:05 pm
PHL
-
KEF
1 stop31h 35m
American Airlines
Tue 4/2810:50 am
KEF
-
PHL
2 stops26h 46m
American Airlines
Deal found 3/6$571
This FlightHub deal was found by Cheapflights users on 3/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:00 am
PHL
-
KEF
1 stop21h 45m
Air Canada
Tue 8/259:15 am
KEF
-
PHL
1 stop16h 19m
Air Canada
Deal found 3/6$572
This oojo deal was found by Cheapflights users on 3/6. 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 5/48:25 am
PHL
-
KEF
1 stop19h 45m
Icelandair
Sat 5/97:55 pm
KEF
-
PHL
1 stop15h 40m
Icelandair
Deal found 3/6$574
This Air Canada deal was found by Cheapflights users on 3/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:20 pm
PHL
-
KEF
1 stop12h 25m
Air Canada
Wed 10/219:15 am
KEF
-
PHL
2 stops32h 36m
Air Canada
Deal found 3/9$575
This Air Canada deal was found by Cheapflights users on 3/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:00 am
PHL
-
KEF
1 stop21h 45m
Air Canada
Wed 8/2610:00 am
KEF
-
PHL
1 stop16h 46m
Air Canada
Deal found 3/6$577
This Virgin Atlantic deal was found by Cheapflights users on 3/7. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:29 pm
PHL
-
KEF
2 stops17h 01m
Virgin Atlantic
Tue 5/129:30 am
KEF
-
PHL
2 stops13h 59m
Virgin Atlantic
Deal found 3/7$579
This United Airlines deal was found by Cheapflights users on 3/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:10 am
PHL
-
KEF
2 stops18h 35m
United Airlines
Wed 10/219:15 am
KEF
-
PHL
2 stops32h 36m
United Airlines
Deal found 3/9$580
This oojo deal was found by Cheapflights users on 3/6. 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 5/16:33 pm
PHL
-
KEF
1 stop9h 37m
Icelandair
Sat 5/95:10 pm
KEF
-
PHL
1 stop18h 25m
Icelandair
Deal found 3/6$583

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$560
(American Airlines)

One-way from

$395
(Kiwi.com)

Popular in

July

Cheapest in

May

Average price

$861
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. 6% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 10, 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

Wed 4/22

5:55 pm-7:50 am

2 stops33h 55m

Reykjavik Keflavik Intl

Wed 4/29

5:15 pm-2:30 pm

2 stops25h 15m

$603

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Wed 5/13

11:28 am-7:40 am

1 stop16h 12m

Reykjavik Keflavik Intl

Wed 5/27

9:30 am-6:06 pm

1 stop12h 36m

$605

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Wed 5/13

10:00 pm-7:50 am

2 stops29h 50m

Reykjavik Keflavik Intl

Wed 5/27

5:15 pm-1:05 pm

2 stops23h 50m

$642

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Thu 5/7

12:36 pm-9:30 am

2 stops16h 54m

Reykjavik Keflavik Intl

Fri 5/15

9:30 am-11:07 pm

2 stops17h 37m

$660

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Sat 4/11

9:40 am-9:30 am

2 stops19h 50m

Reykjavik Keflavik Intl

Sat 4/18

11:25 am-8:55 am

2 stops25h 30m

$665

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Sun 3/22

7:50 pm-9:15 am

2 stops33h 25m

Reykjavik Keflavik Intl

Sat 3/28

6:00 pm-4:55 pm

2 stops26h 55m

$671

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Sat 4/25

5:55 pm-7:50 am

2 stops33h 55m

Reykjavik Keflavik Intl

Mon 5/4

8:35 am-1:05 pm

2 stops32h 30m

$690
Quickest round-trip

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Wed 5/13

5:18 pm-9:30 am

2 stops12h 12m

Reykjavik Keflavik Intl

Sun 5/17

8:50 am-4:30 pm

1 stop11h 40m

$719

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Fri 5/1

5:55 pm-7:50 am

2 stops33h 55m

Reykjavik Keflavik Intl

Sat 5/9

8:40 am-2:30 pm

2 stops33h 50m

$848

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Thu 6/4

12:36 pm-6:20 am

1 stop13h 44m

Reykjavik Keflavik Intl

Mon 6/8

9:30 am-7:22 pm

2 stops13h 52m

$909

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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

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

Currently, August is the cheapest month in which you can book a flight from Philadelphia to Reykjavik Keflavik Intl Airport (average of $177). Flying from Philadelphia to Reykjavik Keflavik Intl Airport in December is currently the most expensive (average of $351). 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.

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 March 10, 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
9,409 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,409 reviews
United Airlines
7.4
Good
9,409 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Icelandair
7.1
Good
619 reviews
United Airlines
7.4
Good
9,409 reviews

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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, KLM, and Delta can get you from Philadelphia to Reykjavik Keflavik Intl Airport in just under 16h 12m. Your travel time can differ by up to 17h 43m. The distance from Philadelphia to Reykjavik Keflavik Intl Airport is about 2672 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $606. Another airline that can offer you cheap pricing is United Airlines. Icelandair is priced at 17% 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, August is the cheapest month in which you can book a flight from Philadelphia to Reykjavik Keflavik Intl Airport (average of $177). Flying from Philadelphia to Reykjavik Keflavik Intl Airport in December is currently the most expensive (average of $351). 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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Alternative routes for Philadelphia to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Keflavik Intl flights
Newark to Keflavik Intl flights
Dulles Intl to Keflavik Intl flights
Reagan-National to Keflavik Intl flights
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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$606Average$914FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$646Average$943FlexibilityNo cancel feeOn-time69%

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