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Keflavik Intl

$495+ Cheap flights from Boise (BOI) to Keflavik Intl (KEF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — KEF
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap 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 January 27, 2026.

This Air France deal was found by Cheapflights users on 1/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2110:36 am
BOI
-
KEF
2 stops16h 54m
Multiple Airlines
Wed 4/2911:25 am
KEF
-
BOI
2 stops16h 31m
Multiple Airlines
Deal found 1/27$495
This Delta deal was found by Cheapflights users on 1/25. 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.
Mon 5/45:40 am
BOI
-
KEF
2 stops21h 50m
Delta
Tue 5/128:50 am
KEF
-
BOI
2 stops20h 39m
Delta
Deal found 1/25$509
This Delta deal was found by Cheapflights users on 1/25. 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 4/288:55 am
BOI
-
KEF
2 stops42h 35m
Delta
Thu 5/711:25 am
KEF
-
BOI
2 stops37h 10m
Delta
Deal found 1/25$515
This KLM deal was found by Cheapflights users on 1/25. 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.
Thu 5/73:25 pm
BOI
-
KEF
1 stop10h 15m
KLM
Tue 5/129:30 am
KEF
-
BOI
1 stop19h 59m
KLM
Deal found 1/25$555
This Delta deal was found by Cheapflights users on 1/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:55 am
BOI
-
KEF
2 stops18h 35m
Delta
Sun 5/109:30 am
KEF
-
BOI
1 stop19h 59m
Delta
Deal found 1/27$559
This Delta deal was found by Cheapflights users on 1/25. 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 4/288:55 am
BOI
-
KEF
2 stops42h 35m
Delta
Mon 5/411:25 am
KEF
-
BOI
2 stops18h 52m
Delta
Deal found 1/25$565
This Delta deal was found by Cheapflights users on 1/25. 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 4/288:55 am
BOI
-
KEF
2 stops42h 35m
Delta
Sun 5/311:25 am
KEF
-
BOI
2 stops39h 59m
Delta
Deal found 1/25$570
This Delta deal was found by Cheapflights users on 1/25. 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 5/73:25 pm
BOI
-
KEF
1 stop10h 15m
Delta
Sun 5/109:30 am
KEF
-
BOI
1 stop19h 59m
Delta
Deal found 1/25$605
This Delta deal was found by Cheapflights users on 1/25. 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.
Fri 5/88:40 am
BOI
-
KEF
2 stops18h 50m
Delta
Sun 5/1011:25 am
KEF
-
BOI
2 stops18h 31m
Delta
Deal found 1/25$609
This Delta deal was found by Cheapflights users on 1/25. 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.
Wed 4/2911:35 pm
BOI
-
KEF
2 stops27h 55m
Delta
Sun 5/311:25 am
KEF
-
BOI
2 stops39h 36m
Delta
Deal found 1/25$622
This KLM deal was found by Cheapflights users on 1/25. 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 5/135:40 am
BOI
-
KEF
1 stop20h 00m
Multiple Airlines
Tue 5/199:30 am
KEF
-
BOI
1 stop19h 59m
Multiple Airlines
Deal found 1/25$650
This Delta deal was found by Cheapflights users on 1/25. 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 5/123:25 pm
BOI
-
KEF
1 stop10h 15m
Delta
Wed 5/2011:25 am
KEF
-
BOI
2 stops17h 39m
Delta
Deal found 1/25$654

Find 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$495
(Air France)
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Reykjavik Keflavik Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Reykjavik Keflavik Intl flights.
Search Deals
From Boise Air Term. Gowen Fld to Reykjavik Keflavik Intl
Search Deals

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 January 27, 2026.
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

Tue 4/21

10:36 am-9:30 am

2 stops16h 54m

Reykjavik Keflavik Intl

Wed 4/29

11:25 am-11:57 pm

2 stops18h 32m

$495

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Tue 4/28

8:55 am-9:30 am

2 stops42h 35m

Reykjavik Keflavik Intl

Wed 5/6

11:25 am-12:05 pm

2 stops30h 40m

$515

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Tue 4/28

8:55 am-9:30 am

2 stops42h 35m

Reykjavik Keflavik Intl

Fri 5/8

9:30 am-11:29 pm

1 stop19h 59m

$515

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Wed 4/29

11:35 pm-9:30 am

2 stops27h 55m

Reykjavik Keflavik Intl

Thu 5/7

11:25 am-11:59 pm

2 stops18h 34m

$559

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Mon 5/4

8:55 am-9:30 am

2 stops18h 35m

Reykjavik Keflavik Intl

Sun 5/10

9:30 am-11:29 pm

1 stop19h 59m

$559

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Wed 4/29

11:35 pm-9:30 am

2 stops27h 55m

Reykjavik Keflavik Intl

Wed 5/6

11:25 am-10:02 am

2 stops28h 37m

$559

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Thu 4/30

10:45 am-9:30 am

2 stops16h 45m

Reykjavik Keflavik Intl

Mon 5/4

11:25 am-9:56 pm

2 stops16h 31m

$609

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Wed 4/29

8:35 pm-9:30 am

2 stops30h 55m

Reykjavik Keflavik Intl

Mon 5/4

11:25 am-9:56 pm

2 stops16h 31m

$609

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Tue 5/12

10:38 am-7:40 am

2 stops15h 02m

Reykjavik Keflavik Intl

Tue 5/19

9:30 am-11:29 pm

1 stop19h 59m

$654

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Wed 5/13

5:40 am-7:40 am

1 stop20h 00m

Reykjavik Keflavik Intl

Wed 5/20

9:30 am-11:56 pm

2 stops20h 26m

$654

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 11 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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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 27, 2026.
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
603 reviews

Crew

8.0

Comfort

7.0

Entertainment

7.0

Overall

7.1

Boarding

7.2

Food

6.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMS - KEF

We paid a total of 328.00 for specific seats and we were not assigned to any of the seats for which we paid.
Icelandair
7.1
Good
603 reviews
Icelandair
7.1
Good
603 reviews

Crew

8.0

Comfort

7.0

Entertainment

7.0

Overall

7.1

Boarding

7.2

Food

6.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMS - KEF

We paid a total of 328.00 for specific seats and we were not assigned to any of the seats for which we paid.

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 42h 35m. Delta provides one of the quickest options available for as low as $515. 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.

  • 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

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Alternative routes for Boise 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 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$386Average$1,140FlexibilityNo cancel feeOn-time76%

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