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Keflavik Intl

$309+ 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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — KEF
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix 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 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 June 16, 2025.

Round-trip from

$651
(KLM)

One-way from

$309
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$784
From Phoenix to Reykjavik Keflavik Intl
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One-way flight from Phoenix 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 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 June 16, 2025.

This KLM deal was found by Cheapflights users on 6/16. 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 7/2910:50 amPHX - KEF
1 stop12h 30mMultiple Airlines
Fri 8/158:50 amKEF - PHX
1 stop20h 13mMultiple Airlines
Deal found 6/16$651
This Delta deal was found by Cheapflights users on 6/14. 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.
Tue 7/297:09 amPHX - KEF
2 stops19h 21mDelta
Fri 8/158:50 amKEF - PHX
2 stops21h 04mDelta
Deal found 6/14$655
This KLM deal was found by Cheapflights users on 6/14. 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.
Wed 7/1611:35 amPHX - KEF
1 stop14h 55mKLM
Wed 7/309:30 amKEF - PHX
2 stops13h 45mKLM
Deal found 6/14$657
This Air Canada deal was found by Cheapflights users on 6/14. 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.
Mon 8/48:30 pmPHX - KEF
2 stops28h 40mAir Canada
Wed 8/139:30 amKEF - PHX
1 stop16h 46mAir Canada
Deal found 6/14$666
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Tue 8/269:30 amPHX - KEF
2 stops14h 30mUnited Airlines
Thu 9/411:00 amKEF - PHX
1 stop14h 26mUnited Airlines
Deal found 6/15$680
This Cheapflightsfares deal was found by Cheapflights users on 6/15. 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 7/309:35 amKEF - PHX
1 stop18h 45mWestJet
Deal found 6/15$682
This FlightHub deal was found by Cheapflights users on 6/15. 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 8/268:55 amPHX - KEF
2 stops31h 40mLufthansa
Wed 9/312:25 amKEF - PHX
2 stops24h 35mLufthansa
Deal found 6/15$800
This British Airways deal was found by Cheapflights users on 6/16. 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 6/16$851
This Ovago deal was found by Cheapflights users on 6/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/297:04 amPHX - KEF
2 stops42h 16mSWISS
Fri 8/159:05 amKEF - PHX
3 stops43h 10mSWISS
Deal found 6/15$905
This KAYAK deal was found by Cheapflights users on 6/15. 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.
Thu 9/2512:10 pmPHX - KEF
2 stops28h 40mScandinavian Airlines
Wed 10/87:40 amKEF - PHX
2 stops21h 11mScandinavian Airlines
Deal found 6/15$980
This Finnair deal was found by Cheapflights users on 6/15. 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 10/511:10 pmPHX - KEF
2 stops34h 20mFinnair
Sat 10/188:45 amKEF - PHX
2 stops36h 30mFinnair
Deal found 6/15$1,007
This Air France deal was found by Cheapflights users on 6/15. 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.
Sat 10/119:10 amPHX - KEF
2 stops14h 10mAir France
Sat 10/1811:25 amKEF - PHX
1 stop15h 39mAir France
Deal found 6/15$1,045

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 June 16, 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

Tue 7/29

10:50 am-6:20 am

1 stop12h 30m

Reykjavik Keflavik Intl

Fri 8/15

8:50 am-10:03 pm

1 stop20h 13m

$651

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Tue 7/29

7:09 am-9:30 am

2 stops19h 21m

Reykjavik Keflavik Intl

Fri 8/15

8:50 am-10:54 pm

2 stops21h 04m

$655

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Wed 7/16

11:35 am-9:30 am

1 stop14h 55m

Reykjavik Keflavik Intl

Wed 7/30

9:30 am-4:15 pm

2 stops13h 45m

$657

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Mon 8/4

8:30 pm-8:10 am

2 stops28h 40m

Reykjavik Keflavik Intl

Wed 8/13

9:30 am-7:16 pm

1 stop16h 46m

$666

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Tue 8/26

9:30 am-7:00 am

2 stops14h 30m

Reykjavik Keflavik Intl

Thu 9/4

11:00 am-6:26 pm

1 stop14h 26m

$680

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-9:20 pm

1 stop18h 45m

$682

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Tue 8/26

8:55 am-11:35 pm

2 stops31h 40m

Reykjavik Keflavik Intl

Wed 9/3

12:25 am-6:00 pm

2 stops24h 35m

$800

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Tue 7/29

7:04 am-8:20 am

2 stops42h 16m

Reykjavik Keflavik Intl

Fri 8/15

9:05 am-9:15 pm

3 stops43h 10m

$905

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Sat 8/16

10:32 am-11:20 pm

2 stops29h 48m

Reykjavik Keflavik Intl

Fri 8/29

12:10 am-5:39 pm

2 stops24h 29m

$1,069

PhoenixReykjavik

PHX - KEF

PHXKEF

Phoenix Sky Harbor Intl

Thu 8/28

10:40 am-5:55 am

1 stop12h 15m

Reykjavik Keflavik Intl

Fri 8/29

4:50 pm-5:15 pm

1 stop31h 25m

$1,119

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

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 June 13, 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 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 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 June 16, 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 June 16, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and KLM from Phoenix to Reykjavik. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

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.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

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.
Delta
8.0
Very good
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

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.
KLM
7.8
Good
1,361 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

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.
Austrian Airlines
7.6
Good
804 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

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.
SWISS
7.5
Good
1,628 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

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 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 $655, Delta will fly you from Phoenix to Reykjavik Keflavik Intl Airport and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and Air Canada - these airlines can fly you to your destination from $657 and $666, respectively. Delta is currently priced 31% 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 $482. Air Canada flights start at $502 while deals on United Airlines start at $517 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 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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Alternative routes for Phoenix to Keflavik Intl

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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 June 16, 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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