HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Keflavik Intl

$272+ Cheap flights from Phoenix 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — KEF
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Phoenix 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 to Reykjavik Keflavik Intl are usually found in September or August, booked 34 days in advance, depart on a Wednesday or Sunday and return on a Monday

Cheap flight deals from Phoenix to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) 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 May 1, 2025.

Round-trip from

$511
(Trip.com)

One-way from

$272
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$972
From Phoenix to Reykjavik Keflavik Intl
Search Deals
One-way flight from Phoenix to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

Find flight deals from Phoenix to Keflavik Intl

Cheapest flights from Phoenix to Keflavik Intl
Explore the most affordable flight options available from Phoenix to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Trip.com deal was found by Cheapflights users on 4/29. 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 8/86:05 pmPHX - KEF
1 stop31h 10mWestJet
Tue 8/199:35 amKEF - PHX
1 stop33h 49mWestJet
Deal found 4/29$511
This Delta deal was found by Cheapflights users on 4/29. 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 8/1010:40 amPHX - KEF
1 stop12h 40mDelta
Fri 8/228:50 amKEF - PHX
2 stops21h 48mDelta
Deal found 4/29$564
This Air Canada deal was found by Cheapflights users on 4/30. 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 8/107:40 amPHX - KEF
2 stops17h 35mAir Canada
Fri 8/229:30 amKEF - PHX
2 stops33h 07mAir Canada
Deal found 4/30$591
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 7/161:10 pmPHX - KEF
1 stop12h 05mMultiple Airlines
Wed 7/309:35 amKEF - PHX
2 stops18h 44mMultiple Airlines
Deal found 4/29$602
This KLM deal was found by Cheapflights users on 4/30. 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 8/1010:40 amPHX - KEF
1 stop12h 40mKLM
Sat 8/239:30 amKEF - PHX
2 stops13h 28mKLM
Deal found 4/30$614
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Sun 8/107:04 amPHX - KEF
2 stops18h 11mUnited Airlines
Fri 8/229:50 amKEF - PHX
2 stops32h 15mUnited Airlines
Deal found 4/29$629
This StudentUniverse deal was found by Cheapflights users on 4/29. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2512:37 pmPHX - KEF
2 stops20h 53mFinnair
Thu 9/48:45 amKEF - PHX
2 stops19h 05mFinnair
Deal found 4/29$690
This Gurufare deal was found by Cheapflights users on 4/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:30 pmPHX - KEF
1 stop31h 25mBritish Airways
Tue 12/2311:45 amKEF - PHX
2 stops41h 29mBritish Airways
Deal found 4/29$730
This Justfly.com deal was found by Cheapflights users on 4/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/107:04 amPHX - KEF
2 stops42h 31mSWISS
Fri 8/229:05 amKEF - PHX
3 stops39h 34mSWISS
Deal found 4/30$782

Cheapflights Fare Finder

Customize your flight search to find flights from Phoenix 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 May 1, 2025.
Use the filters below to find and compare flights from Phoenix to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Phoenix

Fly to

Keflavik Intl

Route

Depart

Return

Price

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Fri 8/8

6:05 pm-8:15 am

1 stop31h 10m

Reykjavik Keflavik Intl

Tue 8/19

9:35 am-12:24 pm

1 stop33h 49m

$511

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Sun 8/10

10:40 am-6:20 am

1 stop12h 40m

Reykjavik Keflavik Intl

Fri 8/22

8:50 am-11:38 pm

2 stops21h 48m

$564

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Sun 8/10

7:40 am-8:15 am

2 stops17h 35m

Reykjavik Keflavik Intl

Fri 8/22

9:30 am-11:37 am

2 stops33h 07m

$591

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Wed 7/16

1:10 pm-8:15 am

1 stop12h 05m

Reykjavik Keflavik Intl

Wed 7/30

9:35 am-9:19 pm

2 stops18h 44m

$602

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Sun 8/10

10:40 am-6:20 am

1 stop12h 40m

Reykjavik Keflavik Intl

Sat 8/23

9:30 am-3:58 pm

2 stops13h 28m

$614

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Sun 8/10

7:04 am-8:15 am

2 stops18h 11m

Reykjavik Keflavik Intl

Fri 8/22

9:50 am-11:05 am

2 stops32h 15m

$629

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Mon 8/25

12:37 pm-4:30 pm

2 stops20h 53m

Reykjavik Keflavik Intl

Thu 9/4

8:45 am-8:50 pm

2 stops19h 05m

$690

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Sun 8/10

7:04 am-8:35 am

2 stops42h 31m

Reykjavik Keflavik Intl

Fri 8/22

9:05 am-5:39 pm

3 stops39h 34m

$782

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Mon 10/20

12:15 pm-10:00 am

2 stops38h 45m

Reykjavik Keflavik Intl

Sun 10/26

6:20 pm-6:25 pm

1 stop31h 05m

$846

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Sat 8/16

1:10 pm-8:15 am

1 stop12h 05m

$272

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 14 results
1
2

Best time to book a flight from Phoenix to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Phoenix 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 to Reykjavik Keflavik Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Phoenix to Keflavik Intl. Price data was last updated on April 25, 2025.

To ensure you get the cheapest price possible for a flight from Phoenix to Reykjavik Keflavik Intl Airport, you should look to book at least 29 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from Phoenix to Reykjavik Keflavik Intl Airport (average of $328). Flying from Phoenix to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $651). 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 Phoenix 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 May 1, 2025.

A simple way to save on the total cost of your ticket is to fly from Phoenix 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 to Reykjavik Keflavik Intl Airport?

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

Travelers seeking maximum savings on their Phoenix 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 May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Phoenix 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 to Reykjavik Keflavik Intl Airport round-trip?

    Currently priced at $511, WestJet will fly you from Phoenix to Reykjavik Keflavik Intl Airport and back. In addition to WestJet, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Air Canada - these airlines can fly you to your destination from $564 and $591, respectively. WestJet is currently priced 50% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Phoenix 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 $272. Air Canada flights start at $535 while deals on United Airlines start at $820 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Phoenix 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 to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Phoenix to Reykjavik Keflavik Intl Airport (average of $328). Flying from Phoenix to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $651). 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?

Book flights to Phoenix if you plan to visit one of these locations
Keflavik

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 Phoenix to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
Sky Harbor Intl to Keflavik Intl flights
Las Vegas to Keflavik Intl flights
Tucson to Keflavik Intl flights

Top 4 airlines flying from Phoenix to Keflavik Intl

Discover the top 4 airlines that operate flights from Phoenix 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$478Average$680FlexibilityNo cancel feeOn-time60%
DeltaCheapest$862Average$1,083FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$887Average$995FlexibilityNo cancel feeOn-time69%
IcelandairCheapest$967Average$1,192FlexibilityNo 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.