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Keflavik Intl

$322+ Cheap flights from Sky Harbor Intl (PHX) 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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — KEF
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Reykjavik Keflavik Intl are usually found in August or July, booked 34 days in advance, depart on a Wednesday or Sunday and return on a Monday

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 June 12, 2025.

Round-trip from

$626
(KLM)

One-way from

$322
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$784
From Phoenix Sky Harbor Intl to Reykjavik Keflavik Intl
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One-way flight from Phoenix Sky Harbor Intl to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 13% potential increase in price ($146 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 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 June 12, 2025.

This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3110:50 amPHX - KEF
1 stop12h 30mKLM
Fri 8/2211:25 amKEF - PHX
1 stop15h 41mKLM
Deal found 6/10$626
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3111:09 pmPHX - KEF
2 stops26h 11mUnited Airlines
Fri 8/229:30 amKEF - PHX
2 stops36h 39mUnited Airlines
Deal found 6/11$627
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.
Sun 8/107:40 amPHX - KEF
2 stops17h 35mAir Canada
Sat 8/239:30 amKEF - PHX
2 stops39h 30mAir Canada
Deal found 6/11$629
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:00 amPHX - KEF
2 stops17h 00mDelta
Wed 8/139:30 amKEF - PHX
1 stop18h 03mDelta
Deal found 6/10$630
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/299:26 amPHX - KEF
1 stop14h 34mMultiple Airlines
Fri 8/158:50 amKEF - PHX
1 stop20h 13mMultiple Airlines
Deal found 6/11$651
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/111:10 pmPHX - KEF
1 stop12h 05mWestJet
Fri 7/189:35 amKEF - PHX
2 stops30h 45mWestJet
Deal found 6/11$716
This Scandinavian Airlines 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:00 amPHX - KEF
2 stops42h 05mScandinavian Airlines
Mon 9/2210:20 amKEF - PHX
2 stops43h 39mScandinavian Airlines
Deal found 6/12$842
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:35 pmPHX - KEF
2 stops38h 05mBritish Airways
Sun 11/96:20 pmKEF - PHX
2 stops29h 24mBritish Airways
Deal found 6/11$850
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:33 pmPHX - KEF
2 stops26h 02mLufthansa
Sat 11/812:30 amKEF - PHX
2 stops28h 14mLufthansa
Deal found 6/11$877
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2910:50 amPHX - KEF
2 stops38h 30mSWISS
Fri 8/159:05 amKEF - PHX
3 stops43h 50mSWISS
Deal found 6/12$921
This Austrian 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1810:41 amPHX - KEF
2 stops29h 39mAustrian Airlines
Fri 9/2612:10 amKEF - PHX
2 stops26h 20mAustrian Airlines
Deal found 6/9$930

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 June 12, 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

Thu 7/31

10:50 am-6:20 am

1 stop12h 30m

Reykjavik Keflavik Intl

Fri 8/22

11:25 am-8:06 pm

1 stop15h 41m

$626

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Thu 7/31

11:09 pm-8:20 am

2 stops26h 11m

Reykjavik Keflavik Intl

Fri 8/22

9:30 am-3:09 pm

2 stops36h 39m

$627

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Sun 8/10

7:40 am-8:15 am

2 stops17h 35m

Reykjavik Keflavik Intl

Sat 8/23

9:30 am-6:00 pm

2 stops39h 30m

$629

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Mon 8/4

7:00 am-7:00 am

2 stops17h 00m

Reykjavik Keflavik Intl

Wed 8/13

9:30 am-8:33 pm

1 stop18h 03m

$630

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Tue 7/29

9:26 am-7:00 am

1 stop14h 34m

Reykjavik Keflavik Intl

Fri 8/15

8:50 am-10:03 pm

1 stop20h 13m

$651

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Fri 7/11

1:10 pm-8:15 am

1 stop12h 05m

Reykjavik Keflavik Intl

Fri 7/18

9:35 am-9:20 am

2 stops30h 45m

$716

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Wed 9/10

6:00 am-7:05 am

2 stops42h 05m

Reykjavik Keflavik Intl

Mon 9/22

10:20 am-10:59 pm

2 stops43h 39m

$842

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Fri 10/31

1:35 pm-10:40 am

2 stops38h 05m

Reykjavik Keflavik Intl

Sun 11/9

6:20 pm-4:44 pm

2 stops29h 24m

$850

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Fri 10/31

2:33 pm-11:35 pm

2 stops26h 02m

Reykjavik Keflavik Intl

Sat 11/8

12:30 am-9:44 pm

2 stops28h 14m

$877

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Tue 7/29

10:50 am-8:20 am

2 stops38h 30m

Reykjavik Keflavik Intl

Fri 8/15

9:05 am-9:55 pm

3 stops43h 50m

$921

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 16 results
1
2

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

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Reykjavik Keflavik Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Keflavik Intl. Price data was last updated on June 9, 2025.

Booking 29 days in advance of your planned departure date is, on average, the best time to get cheap flights from Phoenix Sky Harbor Intl Airport to Reykjavik Keflavik Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Reykjavik Keflavik Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Reykjavik Keflavik Intl Airport (average of $328). Flying from Phoenix Sky Harbor Intl Airport 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 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 June 12, 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 28% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Reykjavik Keflavik Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Keflavik Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Reykjavik Keflavik Intl Airport flight should consider departing on Wednesday mornings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 Austrian Airlines from Phoenix 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

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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 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.

  • 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 $626. Other airlines that can offer you cheap pricing are United Airlines, from $627, and Air Canada, from $629. These flights start at 34% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $322. Air Canada flights start at $495 while deals on United Airlines start at $517 one-way.

  • 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.

  • What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Reykjavik Keflavik Intl Airport (average of $328). Flying from Phoenix Sky Harbor Intl Airport 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.

See more FAQs

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Keflavik

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$493Average$758FlexibilityNo cancel feeOn-time60%
DeltaCheapest$648Average$1,013FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$649Average$923FlexibilityNo cancel feeOn-time69%
IcelandairCheapest$967Average$1,188FlexibilityNo cancel feeOn-time76%

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