HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Philadelphia

$550+ Cheap flights from Keflavik Intl (KEF) to Philadelphia (PHL)

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — PHL
Apr 18 — Apr 251
Sat 4/18
Sat 4/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Keflavik Intl to Philadelphia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Keflavik Intl to Philadelphia

Cheapest flights from Keflavik Intl to Philadelphia
Explore the most affordable flight options available from Keflavik Intl to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 19, 2026.

This Sembo deal was found by Cheapflights users on 3/16. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:55 pm
KEF
-
PHL
1 stop15h 40m
Multiple Airlines
Thu 4/236:00 am
PHL
-
KEF
1 stop22h 10m
Multiple Airlines
Deal found 3/16$692
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 4/112:20 am
KEF
-
PHL
1 stop19h 45m
Lufthansa
Thu 4/95:40 pm
PHL
-
KEF
1 stop25h 50m
Lufthansa
Deal found 3/15$719
This oojo deal was found by Cheapflights users on 3/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:10 pm
KEF
-
PHL
1 stop9h 21m
Icelandair
Wed 7/19:12 am
PHL
-
KEF
1 stop16h 53m
Icelandair
Deal found 3/16$725
This Gotogate deal was found by Cheapflights users on 3/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/112:20 am
KEF
-
PHL
1 stop19h 45m
Multiple Airlines
Thu 4/95:40 pm
PHL
-
KEF
2 stops40h 15m
Multiple Airlines
Deal found 3/15$747
This Delta deal was found by Cheapflights users on 3/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1311:25 am
KEF
-
PHL
2 stops25h 30m
Delta
Mon 4/206:00 am
PHL
-
KEF
2 stops23h 30m
Delta
Deal found 3/14$844
This Flysmarter deal was found by Cheapflights users on 3/15. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/211:25 am
KEF
-
PHL
2 stops15h 35m
Air France
Thu 4/912:26 pm
PHL
-
KEF
2 stops17h 04m
Air France
Deal found 3/15$850
This Virgin Atlantic deal was found by Cheapflights users on 3/16. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3011:25 am
KEF
-
PHL
2 stops15h 35m
Virgin Atlantic
Wed 7/11:00 pm
PHL
-
KEF
1 stop14h 40m
Virgin Atlantic
Deal found 3/16$851
This Billigflug deal was found by Cheapflights users on 3/16. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1811:25 am
KEF
-
PHL
2 stops15h 25m
Virgin Atlantic
Thu 4/239:42 am
PHL
-
KEF
2 stops19h 48m
Virgin Atlantic
Deal found 3/16$901
This Delta deal was found by Cheapflights users on 3/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3011:25 am
KEF
-
PHL
2 stops15h 35m
Delta
Wed 7/15:15 pm
PHL
-
KEF
2 stops12h 15m
Delta
Deal found 3/16$940
This American Airlines deal was found by Cheapflights users on 3/14. 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 4/1310:40 am
KEF
-
PHL
1 stop29h 30m
American Airlines
Mon 4/208:36 am
PHL
-
KEF
2 stops21h 19m
American Airlines
Deal found 3/14$1,051

Find flight deals from Keflavik Intl to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to Philadelphia (PHL). 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 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$692
(Sembo)

One-way from

$550
(Kiwi.com)
Provider with most accurate pricing for Reykjavik Keflavik Intl-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Reykjavik Keflavik Intl-Philadelphia flights.
Search Deals
From Reykjavik Keflavik Intl to Philadelphia
Search Deals
One-way flight from Reykjavik Keflavik Intl to Philadelphia
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Keflavik Intl to Philadelphia 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 19, 2026.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ReykjavikPhiladelphia

KEF - PHL

KEFPHL

Reykjavik Keflavik Intl

Wed 4/1

12:20 am-4:05 pm

1 stop19h 45m

Philadelphia

Thu 4/9

5:40 pm-11:30 pm

1 stop25h 50m

$719

ReykjavikPhiladelphia

KEF - PHL

KEFPHL

Reykjavik Keflavik Intl

Mon 4/13

5:10 pm-7:35 am

1 stop18h 25m

Philadelphia

Mon 4/20

8:25 am-6:05 am

1 stop17h 40m

$719

ReykjavikPhiladelphia

KEF - PHL

KEFPHL

Reykjavik Keflavik Intl

Wed 4/1

12:20 am-4:05 pm

1 stop19h 45m

Philadelphia

Thu 4/9

5:40 pm-1:55 pm

2 stops40h 15m

$747

ReykjavikPhiladelphia

KEF - PHL

KEFPHL

Reykjavik Keflavik Intl

Mon 4/13

11:25 am-8:55 am

2 stops25h 30m

Philadelphia

Mon 4/20

6:00 am-9:30 am

2 stops23h 30m

$844

ReykjavikPhiladelphia

KEF - PHL

KEFPHL

Reykjavik Keflavik Intl

Thu 4/2

11:25 am-11:00 pm

2 stops15h 35m

Philadelphia

Thu 4/9

12:26 pm-9:30 am

2 stops17h 04m

$850

ReykjavikPhiladelphia

KEF - PHL

KEFPHL

Reykjavik Keflavik Intl

Mon 3/30

11:25 am-11:00 pm

2 stops15h 35m

Philadelphia

Wed 7/1

1:00 pm-7:40 am

1 stop14h 40m

$851
Quickest round-trip

ReykjavikPhiladelphia

KEF - PHL

KEFPHL

Reykjavik Keflavik Intl

Mon 3/30

11:25 am-11:00 pm

2 stops15h 35m

Philadelphia

Wed 7/1

5:15 pm-9:30 am

2 stops12h 15m

$940

ReykjavikPhiladelphia

KEF - PHL

KEFPHL

Reykjavik Keflavik Intl

Sat 4/18

10:20 am-12:10 pm

1 stop29h 50m

Philadelphia

Thu 4/23

1:42 pm-9:40 am

2 stops15h 58m

$1,009

ReykjavikPhiladelphia

KEF - PHL

KEFPHL

Reykjavik Keflavik Intl

Mon 4/13

10:40 am-12:10 pm

1 stop29h 30m

Philadelphia

Mon 4/20

8:36 am-9:55 am

2 stops21h 19m

$1,051

ReykjavikPhiladelphia

KEF - PHL

KEFPHL

Reykjavik Keflavik Intl

Mon 4/13

11:15 am-4:05 pm

3 stops32h 50m

Philadelphia

Mon 4/20

4:25 pm-4:15 pm

3 stops19h 50m

$1,742

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

Showing 1-10 of 17 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Reykjavik Keflavik Intl Airport-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Reykjavik Keflavik Intl Airport-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Reykjavik Keflavik Intl Airport-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Reykjavik Keflavik Intl Airport-Philadelphia 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 Reykjavik Keflavik Intl Airport-Philadelphia 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 Keflavik Intl to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Keflavik Intl 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.

Related info for your journey

Find useful and relevant information for your journey from Keflavik Intl to Philadelphia. 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 into for flights to Philadelphia from Reykjavik Keflavik Intl?

    Philadelphia (PHL) is the airport you will fly into if you book a flight from Reykjavik Keflavik Intl to Philadelphia. You should not have trouble finding flights to Philadelphia from Reykjavik Keflavik Intl; the airport handles an average of 0 inbound flights from Reykjavik Keflavik Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Philadelphia airport from Reykjavik Keflavik Intl. It is only a 7.0 mi journey from Philadelphia (PHL) to Philadelphia’s city center.

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

    Airlines like Lufthansa, Icelandair, and Delta fly from Reykjavik Keflavik Intl Airport to Philadelphia in about 18h 25m. The time it takes to get you to your destination can typically vary by up to 7h 05m. There are 2672 mi between Reykjavik Keflavik Intl Airport and Philadelphia. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Keflavik Intl to Philadelphia 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 Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Reading
Camden
King of Prussia
Ocean City
Cherry Hill
Lewes
Dewey Beach
Pottstown
Ephrata
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Glen Mills
Chester

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Keflavik Intl to Philadelphia

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.