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Keflavik Intl

$474+ 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 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — KEF
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$600
(Gurufare)

One-way from

$474
(Kiwi.com)

Popular in

March

Cheapest in

November

Average price

$1,031
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Reykjavik Keflavik Intl flights.
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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. 17% potential increase in price ($214 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Tue 11/411:43 amBOI - KEF
1 stop11h 32mMultiple Airlines
Wed 11/195:00 pmKEF - BOI
1 stop12h 20mMultiple Airlines
Deal found 10/28$902
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Tue 11/411:43 amBOI - KEF
1 stop11h 32mMultiple Airlines
Thu 11/205:00 pmKEF - BOI
1 stop12h 20mMultiple Airlines
Deal found 10/28$913
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Mon 11/39:05 amBOI - KEF
1 stop14h 10mMultiple Airlines
Wed 11/194:50 pmKEF - BOI
1 stop14h 09mMultiple Airlines
Deal found 10/28$967
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Tue 11/49:05 amBOI - KEF
1 stop14h 10mMultiple Airlines
Mon 11/174:50 pmKEF - BOI
1 stop14h 09mMultiple Airlines
Deal found 10/28$1,004
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/44:57 pmBOI - KEF
2 stops34h 48mMultiple Airlines
Wed 11/1211:50 amKEF - BOI
2 stops32h 50mMultiple Airlines
Deal found 10/28$1,006
This Icelandair deal was found by Cheapflights users on 10/26. 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 11/55:15 amBOI - KEF
1 stop17h 50mMultiple Airlines
Thu 11/134:55 pmKEF - BOI
1 stop14h 40mMultiple Airlines
Deal found 10/26$1,046
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Mon 11/39:05 amBOI - KEF
1 stop14h 10mMultiple Airlines
Mon 11/174:50 pmKEF - BOI
1 stop14h 09mMultiple Airlines
Deal found 10/28$1,069
This Finnair deal was found by Cheapflights users on 10/28. 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.
Tue 11/47:00 amBOI - KEF
2 stops43h 15mFinnair
Thu 11/2010:00 amKEF - BOI
2 stops43h 07mFinnair
Deal found 10/28$1,080
This Travelocity deal was found by Cheapflights users on 10/27. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:28 amBOI - KEF
2 stops34h 07mMultiple Airlines
Fri 11/143:25 pmKEF - BOI
2 stops31h 52mMultiple Airlines
Deal found 10/27$1,113
This Finnair deal was found by Cheapflights users on 10/28. 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.
Tue 11/47:00 amBOI - KEF
2 stops43h 15mFinnair
Sat 11/226:00 pmKEF - BOI
2 stops35h 48mFinnair
Deal found 10/28$1,123
This Finnair deal was found by Cheapflights users on 10/28. 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.
Tue 11/47:00 amBOI - KEF
2 stops43h 15mFinnair
Fri 11/2110:00 amKEF - BOI
2 stops43h 07mFinnair
Deal found 10/28$1,138

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 October 28, 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

Fri 4/24

5:40 am-9:30 am

2 stops21h 50m

Reykjavik Keflavik Intl

Thu 4/30

11:25 am-11:31 pm

2 stops18h 06m

$643

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Fri 4/24

6:00 am-9:30 am

2 stops21h 30m

Reykjavik Keflavik Intl

Fri 5/1

11:25 am-12:05 am

2 stops18h 40m

$656

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Mon 4/13

10:40 am-1:05 pm

2 stops20h 25m

Reykjavik Keflavik Intl

Sun 4/26

12:25 am-9:08 pm

2 stops26h 43m

$664

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Sat 4/25

3:25 pm-9:30 am

2 stops36h 05m

Reykjavik Keflavik Intl

Sun 5/3

11:25 am-11:31 pm

2 stops42h 06m

$681

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Thu 4/23

7:30 am-9:30 am

2 stops20h 00m

Reykjavik Keflavik Intl

Sat 5/2

11:25 am-10:02 am

2 stops28h 37m

$706

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Sat 4/25

7:30 am-9:30 am

2 stops20h 00m

Reykjavik Keflavik Intl

Sat 5/2

11:25 am-12:11 am

2 stops18h 46m

$706

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Fri 4/24

5:40 am-9:30 am

2 stops21h 50m

Reykjavik Keflavik Intl

Sat 5/2

11:25 am-10:02 am

2 stops28h 37m

$706

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Fri 4/24

11:30 pm-9:30 am

2 stops28h 00m

Reykjavik Keflavik Intl

Sun 5/3

11:25 am-11:31 pm

2 stops42h 06m

$719

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Thu 4/23

7:30 am-9:30 am

2 stops20h 00m

Reykjavik Keflavik Intl

Sun 5/3

11:25 am-11:31 pm

2 stops42h 06m

$719

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Sat 4/25

5:22 pm-11:20 pm

3 stops23h 58m

Reykjavik Keflavik Intl

Fri 5/1

12:25 am-9:08 pm

3 stops26h 43m

$747

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 15 results
1
2

Compare providers for flights from Boise to Keflavik Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Keflavik Intl in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boise-Reykjavik Keflavik Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boise-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boise-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 October 28, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 13% on flights from Boise to Reykjavik Keflavik Intl Airport by exploring options for tickets in the morning.

How much does it cost to fly round-trip from Boise to Reykjavik Keflavik Intl Airport?

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 October 28, 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
7.1
Good
562 reviews

Boarding

7.2

Overall

7.1

Comfort

6.9

Food

6.2

Entertainment

7.0

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.
Icelandair
7.1
Good
562 reviews
Icelandair
7.1
Good
562 reviews

Boarding

7.2

Overall

7.1

Comfort

6.9

Food

6.2

Entertainment

7.0

Crew

8.1

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 21h 50m. Delta provides one of the quickest options available for as low as $643. 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 $676 on this airline. Icelandair is 34% 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.

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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$676Average$1,071FlexibilityNo cancel feeOn-time76%

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