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Keflavik Intl

$513+ Cheap flights from Boise (BOI) 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — KEF
oct. 11 — oct. 181
sam. 10/11
sam. 10/18
1 adult, Economy
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Cheap flight deals from Boise to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) 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 septembre 11, 2025.

Round-trip from

$520
(Trip.com)

One-way from

$513
(KAYAK)

Popular in

March

Cheapest in

November

Average price

$1,004
From Boise Air Term. Gowen Fld to Reykjavik Keflavik Intl
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One-way flight from Boise Air Term. Gowen Fld to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 23% potential increase in price ($296 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Boise to Keflavik Intl

Cheapest flights from Boise to Keflavik Intl
Explore the most affordable flight options available from Boise to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septembre 11, 2025.

This Trip.com deal was found by Cheapflights users on 9/10. 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.
mar. 10/74:25 pmBOI - KEF
1 stop11h 00mMultiple Airlines
mer. 10/154:50 pmKEF - BOI
1 stop12h 15mMultiple Airlines
Deal found 9/10$520
This Trip.com deal was found by Cheapflights users on 9/10. 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.
jeu. 11/610:05 amBOI - KEF
1 stop13h 10mMultiple Airlines
ven. 11/145:00 pmKEF - BOI
1 stop12h 20mMultiple Airlines
Deal found 9/10$625
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
jeu. 11/1311:43 amBOI - KEF
1 stop11h 32mMultiple Airlines
lun. 11/175:00 pmKEF - BOI
1 stop12h 20mMultiple Airlines
Deal found 9/10$666
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
ven. 11/711:43 amBOI - KEF
1 stop11h 32mMultiple Airlines
ven. 11/145:00 pmKEF - BOI
1 stop12h 20mMultiple Airlines
Deal found 9/10$678
This Trip.com deal was found by Cheapflights users on 9/10. 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.
mer. 9/242:28 pmBOI - KEF
1 stop12h 57mMultiple Airlines
mer. 10/17:45 pmKEF - BOI
1 stop20h 52mMultiple Airlines
Deal found 9/10$708
This Orbitz deal was found by Cheapflights users on 9/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/610:39 amBOI - KEF
2 stops22h 06mLufthansa
ven. 11/144:50 pmKEF - BOI
2 stops35h 46mLufthansa
Deal found 9/10$717
This Ovago deal was found by Cheapflights users on 9/10. 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.
ven. 11/710:39 amBOI - KEF
2 stops29h 56mLufthansa
ven. 11/144:50 pmKEF - BOI
2 stops35h 46mLufthansa
Deal found 9/10$727
This Expedia deal was found by Cheapflights users on 9/10. 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.
jeu. 11/133:54 pmBOI - KEF
2 stops25h 01mScandinavian Airlines
lun. 11/1711:30 amKEF - BOI
2 stops42h 24mScandinavian Airlines
Deal found 9/10$742

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise 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 septembre 11, 2025.
Use the filters below to find and compare flights from Boise to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Boise

Fly to

Keflavik Intl

Route

Depart

Return

Price

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

jeu. 11/13

7:30 am-6:15 am

2 stops15h 45m

Reykjavik Keflavik Intl

lun. 11/17

5:00 pm-10:20 pm

1 stop12h 20m

$705

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

ven. 11/7

5:54 am-6:15 am

2 stops17h 21m

Reykjavik Keflavik Intl

ven. 11/14

5:00 pm-10:20 pm

1 stop12h 20m

$705

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

jeu. 11/6

10:39 am-3:45 pm

2 stops22h 06m

Reykjavik Keflavik Intl

ven. 11/14

4:50 pm-9:36 pm

2 stops35h 46m

$717

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

mer. 9/24

5:00 am-8:15 am

2 stops21h 15m

Reykjavik Keflavik Intl

mer. 10/1

9:30 am-6:47 pm

2 stops39h 17m

$771

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

mer. 9/24

5:00 am-8:15 am

2 stops21h 15m

Reykjavik Keflavik Intl

mer. 10/1

9:30 am-11:44 pm

2 stops44h 14m

$771

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

ven. 11/7

4:00 pm-10:45 am

2 stops35h 45m

Reykjavik Keflavik Intl

ven. 11/14

11:30 am-10:54 pm

2 stops42h 24m

$802

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

mer. 12/10

8:15 am-3:45 pm

2 stops48h 30m

$513

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

lun. 10/6

8:20 am-8:15 am

2 stops17h 55m

$532

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

mer. 12/10

11:45 am-6:05 am

1 stop11h 20m

$690

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

lun. 10/6

9:58 am-9:25 am

1 stop17h 27m

$690

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Boise to Keflavik Intl

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

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

Find hourly flight availability from Boise 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 septembre 11, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 14% on flights from Boise to Reykjavik Keflavik Intl Airport by exploring options for tickets in the morning.

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 septembre 11, 2025.
Read through reviews of airlines operating flights from Boise to Reykjavik Keflavik Intl Airport, such as Icelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.0
Good
546 reviews

Boarding

7.1

Overall

7.0

Entertainment

7.0

Food

6.2

Crew

8.0

Comfort

6.9

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.
Icelandair
7.0
Good
546 reviews
Icelandair
7.0
Good
546 reviews

Boarding

7.1

Overall

7.0

Entertainment

7.0

Food

6.2

Crew

8.0

Comfort

6.9

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.

Related info for your journey

Find useful and relevant information for your journey from Boise 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 airport do you fly from for flights from Boise to Reykjavik Keflavik Intl?

    For a flight from Boise to Reykjavik Keflavik Intl, you will be flying from Air Term. Gowen Fld. Boise Air Term. Gowen Fld (BOI) is just 3.3 mi from the center of the city. Air Term. Gowen Fld is the only Boise airport and it handles 0 outbound flights to Reykjavik Keflavik Intl per day. 1 airline has flights to Reykjavik Keflavik Intl from Boise Air Term. Gowen Fld on a regular basis.

  • How long is the flight from Boise to Reykjavik Keflavik Intl Airport?

    A quick flight from Boise to Reykjavik Keflavik Intl Airport can take about 22h 06m. Lufthansa provides one of the quickest options available for as low as $717. Boise and Reykjavik Keflavik Intl Airport are separated by a distance of 3672 mi.

  • What is the cheapest airline to fly from Boise to Reykjavik Keflavik Intl Airport round-trip?

    Our cheapest airline available from Boise to Reykjavik Keflavik Intl Airport is Icelandair. Our recent data shows that you can find tickets from as low as $386 on this airline. Icelandair is 59% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Boise to Reykjavik Keflavik Intl Airport (average of $328). Flying from Boise to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $655). 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 Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Boise to Keflavik Intl

Discover the top airline that operate flights from Boise 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 septembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$386Average$1,029FlexibilityNo cancel feeOn-time76%

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