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Keflavik Intl

$589+ Cheap flights from Sky Harbor Intl (PHX) to Keflavik Intl (KEF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — KEF
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
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Cheap flight deals from Sky Harbor Intl to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) 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 October 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$571
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$880
Provider with most accurate pricing for Phoenix Sky Harbor Intl-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Reykjavik Keflavik Intl flights.
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From Phoenix Sky Harbor Intl to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 9% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Sky Harbor Intl to Keflavik Intl

Cheapest flights from Sky Harbor Intl to Keflavik Intl
Explore the most affordable flight options available from Sky Harbor Intl to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/23. 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.
Thu 11/137:44 amPHX - KEF
1 stop15h 31mMultiple Airlines
Mon 11/174:50 pmKEF - PHX
1 stop14h 54mMultiple Airlines
Deal found 10/23$609
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Thu 12/49:16 amPHX - KEF
1 stop13h 49mMultiple Airlines
Thu 12/114:55 pmKEF - PHX
1 stop14h 49mMultiple Airlines
Deal found 10/21$665
This Trip.com deal was found by Cheapflights users on 10/22. 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.
Thu 11/206:30 amPHX - KEF
1 stop17h 00mMultiple Airlines
Thu 11/274:55 pmKEF - PHX
2 stops22h 24mMultiple Airlines
Deal found 10/22$726
This Trip.com deal was found by Cheapflights users on 10/23. 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.
Tue 11/49:59 amPHX - KEF
1 stop13h 06mMultiple Airlines
Tue 11/114:55 pmKEF - PHX
1 stop26h 20mMultiple Airlines
Deal found 10/23$788
This Trip.com deal was found by Cheapflights users on 10/22. 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.
Fri 11/212:05 pmPHX - KEF
1 stop33h 00mMultiple Airlines
Fri 11/285:15 pmKEF - PHX
2 stops24h 53mMultiple Airlines
Deal found 10/22$816
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Fri 12/59:16 amPHX - KEF
1 stop13h 49mMultiple Airlines
Fri 12/124:55 pmKEF - PHX
1 stop14h 49mMultiple Airlines
Deal found 10/21$817
This Trip.com deal was found by Cheapflights users on 10/23. 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.
Thu 11/1311:57 pmPHX - KEF
2 stops34h 18mFinnair
Mon 11/179:45 amKEF - PHX
2 stops37h 59mFinnair
Deal found 10/23$851

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl 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 October 23, 2025.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Sky Harbor Intl

Fly to

Keflavik Intl

Route

Depart

Return

Price

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Tue 4/21

12:45 pm-9:30 am

1 stop13h 45m

Reykjavik Keflavik Intl

Thu 4/30

11:25 am-7:42 pm

1 stop15h 17m

$589

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Tue 4/21

12:45 pm-9:30 am

1 stop13h 45m

Reykjavik Keflavik Intl

Thu 4/30

11:25 am-10:58 pm

1 stop18h 33m

$589

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Tue 4/21

6:00 am-9:30 am

1 stop20h 30m

Reykjavik Keflavik Intl

Tue 4/28

11:25 am-10:58 pm

1 stop18h 33m

$589

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Mon 4/20

11:55 pm-9:30 am

2 stops26h 35m

Reykjavik Keflavik Intl

Tue 4/28

11:25 am-10:58 pm

1 stop18h 33m

$593

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Tue 4/21

6:00 am-9:30 am

1 stop20h 30m

Reykjavik Keflavik Intl

Thu 5/7

11:25 am-7:42 pm

1 stop15h 17m

$601

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Tue 4/21

12:45 pm-9:30 am

1 stop13h 45m

Reykjavik Keflavik Intl

Fri 5/8

8:50 am-9:52 pm

2 stops20h 02m

$606

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Mon 4/20

12:59 am-9:30 am

2 stops25h 31m

Reykjavik Keflavik Intl

Wed 5/6

11:25 am-9:23 am

2 stops28h 58m

$606

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Tue 4/21

12:45 pm-9:30 am

1 stop13h 45m

Reykjavik Keflavik Intl

Tue 5/5

11:25 am-11:29 am

2 stops31h 04m

$606

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/22

Compare providers for flights from Sky Harbor Intl 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 Sky Harbor Intl to Keflavik Intl in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 Phoenix Sky Harbor Intl Airport-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 Phoenix Sky Harbor Intl Airport-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-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 Phoenix Sky Harbor Intl Airport-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 Sky Harbor Intl to Keflavik Intl

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

Cheapflights Insights

Everything you need to know about your flight from Phoenix Sky Harbor Intl Airport to Reykjavik Keflavik Intl Airport

What is the cheapest time of day to fly from PHX to KEF?

Find hourly flight availability from Sky Harbor Intl 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 October 23, 2025.

A simple way to save on the total cost of your ticket is to fly from Phoenix Sky Harbor Intl Airport to Reykjavik Keflavik Intl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight in the afternoon.

How much does it cost to fly round-trip from Phoenix Sky Harbor Intl Airport to Reykjavik Keflavik Intl Airport?

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 October 23, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and WestJet from Phoenix Sky Harbor Intl Airport 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.
Delta
7.9
Good
7,982 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,982 reviews
Delta
7.9
Good
7,982 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,995 reviews
Delta
7.9
Good
7,982 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
WestJet
7.2
Good
3,139 reviews
Delta
7.9
Good
7,982 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Icelandair
7.1
Good
561 reviews
Delta
7.9
Good
7,982 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Phoenix Sky Harbor Intl Airport to Reykjavik Keflavik Intl Airport?

    A quick flight from Phoenix Sky Harbor Intl Airport to Reykjavik Keflavik Intl Airport can take about 13h 45m. Delta provides one of the quickest options available for as low as $589. The distance from Phoenix Sky Harbor Intl Airport to Reykjavik Keflavik Intl Airport is about 4147 mi.

  • What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to Reykjavik Keflavik Intl Airport round-trip?

    Cheapflights users have booked flights from Phoenix Sky Harbor Intl Airport to Reykjavik Keflavik Intl Airport round-trip from $513. Other airlines that can offer you cheap pricing are Delta, from $634, and United Airlines, from $649. These flights start at 36% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sky Harbor Intl 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.

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 4 airlines flying from Sky Harbor Intl to Keflavik Intl

Discover the top 4 airlines that operate flights from Sky Harbor Intl 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 October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$513Average$761FlexibilityNo cancel feeOn-time60%
DeltaCheapest$634Average$868FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$649Average$1,088FlexibilityNo cancel feeOn-time69%
IcelandairCheapest$967Average$1,194FlexibilityNo cancel feeOn-time76%

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