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Keflavik Intl

$285+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — KEF
feb. 19 — feb. 261
jue. 2/19
jue. 2/26
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 enero 20, 2026.

This Trip.com deal was found by Cheapflights users on 1/18. 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.
mar. 3/316:00 am
PHL
-
KEF
1 stop20h 05m
Multiple Airlines
dom. 4/57:55 pm
KEF
-
PHL
1 stop16h 05m
Multiple Airlines
Deal found 1/18$400
This Trip.com deal was found by Cheapflights users on 1/18. 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.
mié. 3/43:02 pm
PHL
-
KEF
1 stop10h 03m
Multiple Airlines
mié. 3/119:55 am
KEF
-
PHL
1 stop16h 41m
Multiple Airlines
Deal found 1/18$421
This Trip.com deal was found by Cheapflights users on 1/18. 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.
vie. 5/16:00 am
PHL
-
KEF
1 stop20h 05m
Multiple Airlines
lun. 5/47:55 pm
KEF
-
PHL
1 stop29h 45m
Multiple Airlines
Deal found 1/18$455
This Trip.com deal was found by Cheapflights users on 1/18. 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.
jue. 4/96:00 am
PHL
-
KEF
1 stop22h 10m
Multiple Airlines
lun. 4/135:10 pm
KEF
-
PHL
1 stop10h 01m
Multiple Airlines
Deal found 1/18$467
This Trip.com deal was found by Cheapflights users on 1/18. 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.
dom. 3/296:00 am
PHL
-
KEF
1 stop11h 45m
Multiple Airlines
vie. 4/35:10 pm
KEF
-
PHL
1 stop10h 01m
Multiple Airlines
Deal found 1/18$482
This Kiwi.com deal was found by Cheapflights users on 1/18. 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.
mié. 2/183:45 pm
PHL
-
KEF
1 stop9h 55m
Multiple Airlines
mié. 2/254:45 pm
KEF
-
PHL
1 stop10h 00m
Multiple Airlines
Deal found 1/18$489
This United Airlines deal was found by Cheapflights users on 1/19. 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.
lun. 8/176:10 am
PHL
-
KEF
1 stop22h 20m
United Airlines
mar. 8/2510:00 am
KEF
-
PHL
1 stop27h 45m
United Airlines
Deal found 1/19$490
This American Airlines deal was found by Cheapflights users on 1/18. 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.
dom. 1/257:50 pm
PHL
-
KEF
1 stop34h 05m
American Airlines
lun. 2/211:50 am
KEF
-
PHL
1 stop30h 40m
American Airlines
Deal found 1/18$491
This Kiwi.com deal was found by Cheapflights users on 1/18. 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.
lun. 2/163:45 pm
PHL
-
KEF
1 stop9h 55m
Multiple Airlines
mié. 2/254:45 pm
KEF
-
PHL
1 stop10h 00m
Multiple Airlines
Deal found 1/18$494
This Air Canada deal was found by Cheapflights users on 1/19. 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.
mié. 8/1210:05 am
PHL
-
KEF
1 stop17h 50m
Air Canada
mar. 8/259:15 am
KEF
-
PHL
1 stop16h 19m
Air Canada
Deal found 1/19$497
This Kiwi.com deal was found by Cheapflights users on 1/18. 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.
lun. 2/163:45 pm
PHL
-
KEF
1 stop9h 55m
Multiple Airlines
lun. 2/234:45 pm
KEF
-
PHL
1 stop10h 00m
Multiple Airlines
Deal found 1/18$500

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 enero 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$400
(Trip.com)

One-way from

$285
(Kiwi.com)

Popular in

July

Cheapest in

May

Average price

$551
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. 13% potential increase in price ($117 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 enero 20, 2026.
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

dom. 3/29

6:00 am-9:45 pm

1 stop11h 45m

Reykjavik Keflavik Intl

vie. 4/3

5:10 pm-11:11 pm

1 stop10h 01m

$482

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

mié. 2/18

3:45 pm-6:40 am

1 stop9h 55m

Reykjavik Keflavik Intl

mié. 2/25

4:45 pm-9:45 pm

1 stop10h 00m

$492

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

dom. 1/25

6:45 pm-9:15 am

2 stops33h 30m

Reykjavik Keflavik Intl

lun. 2/2

10:00 am-1:25 pm

2 stops32h 25m

$529

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

mié. 2/18

6:50 pm-9:15 am

2 stops33h 25m

Reykjavik Keflavik Intl

mié. 2/25

9:45 am-1:10 pm

2 stops32h 25m

$530

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

mié. 3/11

7:50 pm-9:15 am

2 stops33h 25m

Reykjavik Keflavik Intl

lun. 3/16

9:45 am-2:10 pm

2 stops32h 25m

$530

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

dom. 4/5

6:00 am-8:10 am

1 stop22h 10m

Reykjavik Keflavik Intl

jue. 4/9

5:10 pm-8:00 am

1 stop18h 50m

$566

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

jue. 3/19

9:50 pm-9:15 am

2 stops31h 25m

Reykjavik Keflavik Intl

lun. 3/23

9:45 am-2:10 pm

2 stops32h 25m

$571

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

mar. 3/3

8:50 pm-9:15 am

2 stops31h 25m

Reykjavik Keflavik Intl

dom. 3/8

10:00 am-2:10 pm

2 stops32h 10m

$578

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

jue. 2/26

6:50 pm-9:15 am

2 stops33h 25m

Reykjavik Keflavik Intl

lun. 3/2

9:45 am-1:10 pm

2 stops32h 25m

$590

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

mar. 3/31

6:05 pm-4:30 pm

2 stops18h 25m

Reykjavik Keflavik Intl

dom. 4/5

5:15 pm-2:40 pm

2 stops25h 25m

$594

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 12 results
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 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 Expedia the most. Expedia 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 December is currently the most expensive (average of $353). 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 enero 20, 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
9,183 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

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
9,183 reviews
United Airlines
7.4
Good
9,183 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

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
600 reviews
United Airlines
7.4
Good
9,183 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

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 can get you from Philadelphia to Reykjavik Keflavik Intl Airport in just under 33h 30m. 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 $617. Another airline that can offer you cheap pricing is Icelandair. United Airlines is priced at 18% 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 December is currently the most expensive (average of $353). 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 enero 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$617Average$1,010FlexibilityNo cancel feeOn-time69%
IcelandairCheapest$743Average$934FlexibilityNo cancel feeOn-time76%

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