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Keflavik Intl

$493+ Cheap flights from Idaho 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — KEF
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Idaho to Keflavik Intl

Keep the following information in mind while searching for Idaho to Keflavik Intl flight deals. Data was last updated February 20, 2025.

Round-trip from

$810
(Delta)

One-way from

$493
(Mytrip)
From Idaho to Reykjavik Keflavik Intl
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One-way flight from Idaho to Reykjavik Keflavik Intl
Search Deals

Find flight deals from Idaho to Keflavik Intl

Cheapest flights from Idaho to Keflavik Intl
Explore the most affordable flight options available from Idaho to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Delta deal was found by Cheapflights users on 2/20. 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 4/225:50 amBOI - KEF
2 stops21h 40mDelta
Tue 5/611:25 amKEF - BOI
2 stops18h 21mDelta
Deal found 2/20$810
This StudentUniverse deal was found by Cheapflights users on 2/19. 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.
Tue 4/157:05 amBOI - KEF
2 stops42h 55mFinnair
Wed 4/238:45 amKEF - BOI
2 stops43h 26mFinnair
Deal found 2/19$816
This Mytrip deal was found by Cheapflights users on 2/19. 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 2/257:41 pmBOI - KEF
3 stops26h 04mMultiple Airlines
Tue 3/43:20 pmKEF - BOI
2 stops28h 12mMultiple Airlines
Deal found 2/19$844
This Delta deal was found by Cheapflights users on 2/20. 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.
Thu 4/36:15 amGEG - KEF
2 stops20h 15mDelta
Thu 4/2411:25 amKEF - GEG
2 stops18h 24mDelta
Deal found 2/20$863
This United deal was found by Cheapflights users on 2/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/64:11 pmGEG - KEF
2 stops33h 19mUnited Airlines
Wed 9/1712:00 pmKEF - GEG
1 stop16h 57mUnited Airlines
Deal found 2/19$885
This Ovago deal was found by Cheapflights users on 2/18. 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 5/61:10 pmBOI - KEF
2 stops38h 20mScandinavian Airlines
Tue 5/2010:20 amKEF - BOI
2 stops38h 58mScandinavian Airlines
Deal found 2/18$915
This Icelandair deal was found by Cheapflights users on 2/20. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/239:30 pmBOI - KEF
1 stop10h 30mIcelandair
Sat 8/24:50 pmKEF - BOI
1 stop11h 30mIcelandair
Deal found 2/20$931
This FlightHub deal was found by Cheapflights users on 2/19. 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.
Sat 5/247:26 pmGEG - KEF
1 stop11h 34mIcelandair
Sun 6/14:50 pmKEF - GEG
1 stop13h 17mIcelandair
Deal found 2/19$937
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Fri 9/127:45 amJAC - KEF
2 stops17h 15mUnited Airlines
Fri 9/1912:00 pmKEF - JAC
1 stop12h 18mUnited Airlines
Deal found 2/19$941
This United deal was found by Cheapflights users on 2/18. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:48 amBOI - KEF
2 stops19h 47mUnited Airlines
Sat 9/1311:00 amKEF - BOI
2 stops28h 43mUnited Airlines
Deal found 2/18$965
This Expedia deal was found by Cheapflights users on 2/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/113:02 pmGEG - KEF
1 stop15h 58mMultiple Airlines
Thu 6/197:45 pmKEF - GEG
1 stop20h 14mMultiple Airlines
Deal found 2/19$976
This Air France deal was found by Cheapflights users on 2/18. 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.
Tue 5/201:43 pmBOI - KEF
2 stops37h 47mKLM
Fri 5/3011:25 amKEF - BOI
2 stops17h 26mKLM
Deal found 2/18$979

Find flights from Idaho to Keflavik Intl within your budget

Customize your flight search to find flights from Idaho 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 February 20, 2025.

Fly from

Idaho

Fly to

Keflavik Intl

Route

Depart

Return

Price

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Tue 4/22

5:50 am-9:30 am

2 stops21h 40m

Reykjavik Keflavik Intl

Tue 5/6

11:25 am-11:46 pm

2 stops18h 21m

$810

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Tue 4/15

7:05 am-8:00 am

2 stops42h 55m

Reykjavik Keflavik Intl

Wed 4/23

8:45 am-10:11 pm

2 stops43h 26m

$816

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Tue 2/25

7:41 pm-4:45 am

3 stops26h 04m

Reykjavik Keflavik Intl

Tue 3/4

3:20 pm-12:32 pm

2 stops28h 12m

$844

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Thu 4/3

6:15 am-9:30 am

2 stops20h 15m

Reykjavik Keflavik Intl

Thu 4/24

11:25 am-10:49 pm

2 stops18h 24m

$863

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Tue 5/6

1:10 pm-9:30 am

2 stops38h 20m

Reykjavik Keflavik Intl

Tue 5/20

10:20 am-7:18 pm

2 stops38h 58m

$915

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Tue 5/20

1:43 pm-9:30 am

2 stops37h 47m

Reykjavik Keflavik Intl

Fri 5/30

11:25 am-10:51 pm

2 stops17h 26m

$979

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Tue 5/6

11:10 am-9:25 am

1 stop16h 15m

Reykjavik Keflavik Intl

Tue 5/20

4:50 pm-11:59 pm

1 stop13h 09m

$995

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Wed 5/21

8:41 pm-2:00 pm

1 stop11h 19m

Reykjavik Keflavik Intl

Sat 5/31

10:30 am-3:55 pm

1 stop11h 25m

$1,000

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Tue 4/22

2:38 pm-11:35 pm

2 stops26h 57m

Reykjavik Keflavik Intl

Mon 5/5

12:25 am-9:42 pm

2 stops27h 17m

$1,015

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Wed 4/2

5:48 pm-4:55 am

2 stops28h 07m

Reykjavik Keflavik Intl

Mon 4/14

4:50 pm-11:04 pm

1 stop13h 14m

$1,021

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 23 results
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Best time to book a flight from Idaho to Keflavik Intl

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

Travel insights for flights from Idaho to Keflavik Intl

Get recent, data-driven insights about flights from Idaho to Keflavik Intl including ideal travel times, pricing trends, and more.

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

Find hourly flight availability from Idaho 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 February 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Reykjavik Keflavik Intl Airport as you normally would.

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 February 20, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and KLM from Idaho to Reykjavik to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,692 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,220 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

KLM
7.8
Good
1,333 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Finnair
7.6
Good
1,273 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,766 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Idaho 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 to fly from Idaho to Reykjavik Keflavik Intl Airport one-way?

    One-way options have recently been found by users for as low as $599 on United Airlines. Other airlines that offer cheap prices include Icelandair from $734 and Alaska Airlines from $737 one-way.

  • What are the most popular routes from Idaho to Reykjavik Keflavik Intl Airport?

    Most travelers choose Boise Air Term. Gowen Fld - Reykjavik Keflavik Intl, Spokane - Reykjavik Keflavik Intl or Jackson Hole - Reykjavik Keflavik Intl when deciding on the best route from Idaho to Reykjavik Keflavik Intl Airport.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Idaho to Reykjavik Keflavik Intl Airport (average of $328). Flying from Idaho to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $657). 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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Alternative routes for Idaho to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Idaho to Keflavik Intl

Discover the top airline that operate flights from Idaho 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$747Average$1,014FlexibilityNo cancel feeOn-time76%
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