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Keflavik Intl

$430+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — KEF
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Idaho to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Idaho (USID) 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 January 21, 2025.

Round-trip from

$727
(Finnair)

One-way from

$430
(Kiwi.com)
From Idaho to Reykjavik Keflavik Intl
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One-way flight from Idaho to Reykjavik Keflavik Intl
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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 January 21, 2025.

This Finnair deal was found by Cheapflights users on 1/20. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/265:34 amGEG - KEF
2 stops44h 41mMultiple Airlines
Tue 4/15:15 pmKEF - GEG
2 stops34h 58mMultiple Airlines
Deal found 1/20$727
This CheapOair deal was found by Cheapflights users on 1/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/611:32 amGEG - KEF
2 stops38h 03mAir Canada
Wed 9/1710:00 amKEF - GEG
2 stops33h 40mAir Canada
Deal found 1/20$800
This Ovago deal was found by Cheapflights users on 1/21. 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.
Wed 3/57:15 amBOI - KEF
2 stops33h 05mScandinavian Airlines
Wed 3/127:35 amKEF - BOI
2 stops21h 15mScandinavian Airlines
Deal found 1/21$844
This Justfly.com deal was found by Cheapflights users on 1/21. 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.
Mon 9/2212:00 pmBOI - KEF
2 stops14h 35mAir Canada
Mon 9/2910:00 amKEF - BOI
2 stops43h 06mAir Canada
Deal found 1/21$866
This Delta deal was found by Cheapflights users on 1/21. 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 5/65:40 amBOI - KEF
2 stops21h 50mDelta
Fri 5/1611:25 amKEF - BOI
2 stops18h 45mDelta
Deal found 1/21$891
This United deal was found by Cheapflights users on 1/20. 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 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 1/20$891
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Mon 9/2212:29 pmBOI - KEF
1 stop14h 01mUnited Airlines
Mon 9/2910:00 amKEF - BOI
2 stops41h 16mUnited Airlines
Deal found 1/21$895
This Air Canada deal was found by Cheapflights users on 1/21. 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 9/2210:39 amBOI - KEF
3 stops15h 56mMultiple Airlines
Mon 9/2910:00 amKEF - BOI
2 stops29h 43mMultiple Airlines
Deal found 1/21$901
This FlightHub deal was found by Cheapflights users on 1/21. 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.
Thu 9/1811:35 amGEG - KEF
1 stop14h 50mIcelandair
Tue 9/307:45 pmKEF - GEG
1 stop11h 14mIcelandair
Deal found 1/21$936
This Ovago deal was found by Cheapflights users on 1/21. 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 5/62:43 pmBOI - KEF
2 stops26h 52mLufthansa
Tue 5/2012:00 pmKEF - BOI
1 stop16h 45mLufthansa
Deal found 1/21$940
This Lufthansa deal was found by Cheapflights users on 1/21. 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.
Thu 4/36:15 amGEG - KEF
2 stops34h 20mLufthansa
Wed 4/2312:25 amKEF - GEG
2 stops27h 25mLufthansa
Deal found 1/21$991
This oojo deal was found by Cheapflights users on 1/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/49:30 pmBOI - KEF
1 stop10h 30mIcelandair
Mon 8/1810:30 amKEF - BOI
1 stop17h 50mIcelandair
Deal found 1/21$1,021

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Wed 3/26

5:34 am-9:15 am

2 stops44h 41m

Reykjavik Keflavik Intl

Tue 4/1

5:15 pm-9:13 pm

2 stops34h 58m

$727

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Wed 3/5

7:15 am-11:20 pm

2 stops33h 05m

Reykjavik Keflavik Intl

Wed 3/12

7:35 am-10:50 pm

2 stops21h 15m

$844

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Tue 5/6

5:40 am-9:30 am

2 stops21h 50m

Reykjavik Keflavik Intl

Fri 5/16

11:25 am-12:10 am

2 stops18h 45m

$891

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Tue 5/20

2:00 pm-8:30 am

2 stops36h 30m

Reykjavik Keflavik Intl

Fri 5/30

12:00 pm-9:49 am

2 stops27h 49m

$907

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Tue 5/6

2:43 pm-11:35 pm

2 stops26h 52m

Reykjavik Keflavik Intl

Tue 5/20

12:00 pm-10:45 pm

1 stop16h 45m

$940

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Thu 4/3

6:15 am-11:35 pm

2 stops34h 20m

Reykjavik Keflavik Intl

Wed 4/23

12:25 am-8:50 pm

2 stops27h 25m

$991

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Tue 4/1

8:59 pm-6:15 am

1 stop27h 16m

Reykjavik Keflavik Intl

Mon 4/14

7:45 pm-10:49 am

1 stop21h 04m

$1,003

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Mon 6/23

11:35 am-2:00 pm

1 stop19h 25m

Reykjavik Keflavik Intl

Wed 7/2

7:45 pm-11:59 pm

1 stop11h 14m

$1,026

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Fri 5/30

9:30 pm-9:25 am

1 stop29h 55m

Reykjavik Keflavik Intl

Fri 6/13

10:30 am-10:20 pm

1 stop17h 50m

$1,035

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Mon 7/7

7:30 am-8:30 am

1 stop18h 00m

Reykjavik Keflavik Intl

Mon 7/14

10:00 am-5:34 pm

2 stops38h 34m

$1,070

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 18 results
1
2

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 January 21, 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 January 21, 2025.
Peruse reviews from past customers who have flown with United Airlines, Lufthansa and Delta 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.
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

Finnair
7.6
Good
1,286 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

United Airlines
7.4
Good
8,984 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

Scandinavian Airlines
7.3
Good
1,320 reviews
Delta
8.0
Very good
8,521 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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 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 $507 on WestJet. Other airlines that offer cheap prices include Icelandair from $736 and American Airlines from $757 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 $662). 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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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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$747Average$984FlexibilityNo cancel feeOn-time76%
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