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Keflavik Intl

$325+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — KEF
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$567
(Mytrip)

One-way from

$325
(Trip.com)

Popular in

April

Cheapest in

May

Average price

$968
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. 6% potential increase in price ($61 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/12. 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.
Sun 9/147:22 amPHL - KEF
2 stops41h 33mMultiple Airlines
Thu 9/183:05 pmKEF - PHL
2 stops34h 58mMultiple Airlines
Deal found 6/12$567
This CheapOair deal was found by Cheapflights users on 6/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/117:30 amPHL - KEF
2 stops44h 40mAir Canada
Wed 8/209:30 amKEF - PHL
2 stops35h 51mAir Canada
Deal found 6/10$579
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Mon 8/118:15 amPHL - KEF
2 stops18h 45mUnited Airlines
Wed 8/209:30 amKEF - PHL
2 stops35h 51mUnited Airlines
Deal found 6/9$581
This Expedia deal was found by Cheapflights users on 6/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:45 pmPHL - KEF
1 stop34h 10mBritish Airways
Sun 11/2311:40 amKEF - PHL
2 stops56h 50mBritish Airways
Deal found 6/12$619
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/48:00 amPHL - KEF
2 stops18h 20mDelta
Wed 8/1311:25 amKEF - PHL
2 stops15h 57mDelta
Deal found 6/11$661
This Lufthansa deal was found by Cheapflights users on 6/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/25:35 pmPHL - KEF
2 stops34h 45mLufthansa
Sun 9/712:25 amKEF - PHL
1 stop19h 35mLufthansa
Deal found 6/10$738
This KLM deal was found by Cheapflights users on 6/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/235:15 pmPHL - KEF
1 stop9h 05mKLM
Tue 9/308:45 amKEF - PHL
1 stop14h 37mKLM
Deal found 6/9$740
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Sat 8/168:15 amPHL - KEF
2 stops35h 40mSWISS
Fri 8/229:05 amKEF - PHL
3 stops36h 16mSWISS
Deal found 6/10$751
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/810:20 amPHL - KEF
1 stop18h 25mIcelandair
Mon 10/138:10 pmKEF - PHL
1 stop17h 12mIcelandair
Deal found 6/11$762

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 June 12, 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

Sun 9/14

7:22 am-4:55 am

2 stops41h 33m

Reykjavik Keflavik Intl

Thu 9/18

3:05 pm-10:03 pm

2 stops34h 58m

$567

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Mon 8/11

7:30 am-8:10 am

2 stops44h 40m

Reykjavik Keflavik Intl

Wed 8/20

9:30 am-5:21 pm

2 stops35h 51m

$579

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Mon 8/11

8:15 am-7:00 am

2 stops18h 45m

Reykjavik Keflavik Intl

Wed 8/20

9:30 am-5:21 pm

2 stops35h 51m

$581

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Wed 11/19

7:45 pm-10:55 am

1 stop34h 10m

Reykjavik Keflavik Intl

Sun 11/23

11:40 am-3:30 pm

2 stops56h 50m

$619

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Mon 8/4

8:00 am-6:20 am

2 stops18h 20m

Reykjavik Keflavik Intl

Wed 8/13

11:25 am-11:22 pm

2 stops15h 57m

$661

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Tue 9/2

5:35 pm-8:20 am

2 stops34h 45m

Reykjavik Keflavik Intl

Sun 9/7

12:25 am-4:00 pm

1 stop19h 35m

$738

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Tue 9/23

5:15 pm-6:20 am

1 stop9h 05m

Reykjavik Keflavik Intl

Tue 9/30

8:45 am-7:22 pm

1 stop14h 37m

$740

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Sat 8/16

8:15 am-11:55 pm

2 stops35h 40m

Reykjavik Keflavik Intl

Fri 8/22

9:05 am-5:21 pm

3 stops36h 16m

$751

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Wed 10/8

10:20 am-8:45 am

1 stop18h 25m

Reykjavik Keflavik Intl

Mon 10/13

8:10 pm-9:22 am

1 stop17h 12m

$762

PhiladelphiaReykjavik

PHL - KEF

PHLKEF

Philadelphia

Thu 9/18

8:50 pm-8:15 am

2 stops31h 25m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 14 results
1
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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 $659). 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 June 12, 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.

Rainfall in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

Temperature in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 June 12, 2025.
See what other customers who have flown with Delta, KLM and SWISS from Philadelphia to Reykjavik have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.3
Good
1,387 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 $579. Other airlines that can offer you cheap pricing are United Airlines, from $581, and British Airways, from $619. Air Canada is priced at 36% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Philadelphia to Reykjavik Keflavik Intl Airport one-way?

    The cheapest airlines for a one-way flight from Philadelphia to Reykjavik Keflavik Intl Airport are Air Canada ($454), KLM ($480), and United Airlines ($1,212).

  • 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 $659). 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.

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$521Average$754FlexibilityNo cancel feeOn-time67%
IcelandairCheapest$635Average$867FlexibilityNo cancel feeOn-time76%

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