Keflavik Intl

$245+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — KEF
Jul 1 — Jul 81
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sky Harbor Intl to Keflavik Intl 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.

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 26, 2025.

Round-trip from

$649
(Air Canada)

One-way from

$245
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$784
From Phoenix Sky Harbor Intl to Reykjavik Keflavik Intl
One-way flight from Phoenix Sky Harbor Intl to Reykjavik Keflavik Intl
Highest demand for flights based on searches. 13% potential increase in price ($146 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Average for round-trip flights in June 2025

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 26, 2025.

This Air Canada deal was found by Cheapflights users on 6/26. 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.
Sun 8/1011:20 amPHX - KEF
1 stop13h 55mAir Canada
Fri 8/229:50 amKEF - PHX
1 stop31h 32mAir Canada
Deal found 6/26$649
This Delta deal was found by Cheapflights users on 6/24. 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.
Sun 8/109:26 amPHX - KEF
1 stop14h 34mDelta
Fri 8/2211:25 amKEF - PHX
1 stop18h 48mDelta
Deal found 6/24$650
This KLM deal was found by Cheapflights users on 6/25. 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.
Sun 8/109:26 amPHX - KEF
1 stop14h 34mKLM
Sat 8/2311:25 amKEF - PHX
1 stop15h 41mKLM
Deal found 6/25$651
This Mytrip deal was found by Cheapflights users on 6/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/93:16 pmPHX - KEF
3 stops30h 39mMultiple Airlines
Tue 9/169:35 amKEF - PHX
2 stops17h 06mMultiple Airlines
Deal found 6/23$665
This United Airlines deal was found by Cheapflights users on 6/25. 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 stops32h 35mUnited Airlines
Deal found 6/25$677
This Cheapflightsfares deal was found by Cheapflights users on 6/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/161:10 pmPHX - KEF
1 stop12h 05mWestJet
Wed 7/239:35 amKEF - PHX
1 stop18h 45mWestJet
Deal found 6/25$682
This Lufthansa deal was found by Cheapflights users on 6/23. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/912:40 pmPHX - KEF
2 stops27h 55mLufthansa
Mon 9/1512:25 amKEF - PHX
2 stops24h 14mLufthansa
Deal found 6/23$718
This Air France deal was found by Cheapflights users on 6/24. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1510:05 amPHX - KEF
2 stops13h 15mAir France
Fri 9/268:45 amKEF - PHX
1 stop20h 35mAir France
Deal found 6/24$765
This British Airways deal was found by Cheapflights users on 6/24. 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 10/316:12 pmPHX - KEF
2 stops33h 28mBritish Airways
Sun 11/96:20 pmKEF - PHX
2 stops29h 24mBritish Airways
Deal found 6/24$850
This FlightHub deal was found by Cheapflights users on 6/26. 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 6/26$922
This KAYAK deal was found by Cheapflights users on 6/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/246:00 amPHX - KEF
2 stops27h 20mScandinavian Airlines
Wed 10/87:40 amKEF - PHX
2 stops21h 11mScandinavian Airlines
Deal found 6/24$948
This Finnair deal was found by Cheapflights users on 6/25. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/510:55 pmPHX - KEF
2 stops34h 35mFinnair
Sat 10/188:45 amKEF - PHX
2 stops36h 30mFinnair
Deal found 6/25$1,007

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 26, 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

Sun 8/10

11:20 am-8:15 am

1 stop13h 55m

Reykjavik Keflavik Intl

Fri 8/22

9:50 am-10:22 am

1 stop31h 32m

$649

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Sun 8/10

9:26 am-7:00 am

1 stop14h 34m

Reykjavik Keflavik Intl

Fri 8/22

11:25 am-11:13 pm

1 stop18h 48m

$650

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Tue 7/15

10:50 am-6:20 am

1 stop12h 30m

Reykjavik Keflavik Intl

Mon 7/21

9:30 am-8:03 pm

1 stop17h 33m

$652

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Tue 9/9

3:16 pm-4:55 am

3 stops30h 39m

Reykjavik Keflavik Intl

Tue 9/16

9:35 am-7:41 pm

2 stops17h 06m

$665

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-11:05 am

2 stops32h 35m

$677

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Wed 7/16

1:10 pm-8:15 am

1 stop12h 05m

Reykjavik Keflavik Intl

Wed 7/23

9:35 am-9:20 pm

1 stop18h 45m

$682

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Tue 9/9

12:40 pm-11:35 pm

2 stops27h 55m

Reykjavik Keflavik Intl

Mon 9/15

12:25 am-5:39 pm

2 stops24h 14m

$718

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Mon 9/15

10:05 am-6:20 am

2 stops13h 15m

Reykjavik Keflavik Intl

Fri 9/26

11:25 am-10:20 pm

2 stops17h 55m

$765

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Fri 10/31

6:12 pm-10:40 am

2 stops33h 28m

Reykjavik Keflavik Intl

Sun 11/9

6:20 pm-4:44 pm

2 stops29h 24m

$850

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

$922

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/24

Showing 1-10 of 18 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 20, 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 $653). 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 26, 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.

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 26, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and KLM 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.

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
8.0
Very good

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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 $649. Other airlines that can offer you cheap pricing are Delta, from $650, and KLM, from $651. These flights start at 31% 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 $350. Air Canada flights start at $502 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 $653). 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 Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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.

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 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$493Average$759FlexibilityNo cancel feeOn-time60%
DeltaCheapest$634Average$1,006FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$649Average$924FlexibilityNo cancel feeOn-time69%
IcelandairCheapest$967Average$1,124FlexibilityNo cancel feeOn-time76%

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.