HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Keflavik Intl

$493+ 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 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
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boise to Keflavik Intl with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$810
(Delta)

One-way from

$493
(Mytrip)
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
One-way flight from Boise Air Term. Gowen Fld to Reykjavik Keflavik Intl
Search Deals

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 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 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 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 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
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/611:10 amBOI - KEF
1 stop16h 15mAlaska Airlines
Tue 5/204:50 pmKEF - BOI
1 stop13h 09mAlaska Airlines
Deal found 2/19$995
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/222:38 pmBOI - KEF
2 stops26h 57mLufthansa
Mon 5/512:25 amKEF - BOI
2 stops27h 17mLufthansa
Deal found 2/20$1,015
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/236:43 pmBOI - KEF
2 stops31h 32mAir Canada
Sat 8/210:00 amKEF - BOI
2 stops37h 56mAir Canada
Deal found 2/19$1,037
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/155:10 pmBOI - KEF
2 stops35h 45mBritish Airways
Sat 3/2211:50 amKEF - BOI
2 stops40h 51mBritish Airways
Deal found 2/18$2,262

Find flights from Boise to Keflavik Intl within your budget

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 February 20, 2025.

Fly from

Boise

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

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

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Wed 5/21

5:25 pm-8:30 am

2 stops33h 05m

Reykjavik Keflavik Intl

Sat 5/31

12:00 pm-9:44 pm

2 stops39h 44m

$1,132

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Sat 3/15

5:10 pm-10:55 am

2 stops35h 45m

Reykjavik Keflavik Intl

Sat 3/22

11:50 am-10:41 pm

2 stops40h 51m

$2,262

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 12 results
1
2
  • 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.

Travel insights for flights from Boise to Keflavik Intl

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

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 February 20, 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.

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.
Alaska Airlines
8.0
Very good
9,692 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

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

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

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

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

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

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

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

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

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

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

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 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.

  • What are the cheapest airlines flying from Boise to Reykjavik Keflavik Intl Airport round-trip?

    Our cheapest airline available from Boise to Reykjavik Keflavik Intl Airport is Delta. Our recent data shows that you can find tickets from as low as $810 on this airline. Additional options worth looking into are Finnair and Scandinavian Airlines, starting at $816 and $915 round-trip.

  • 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 $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

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Keflavik

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boise to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
Spokane to Keflavik Intl flights
Pocatello to Keflavik Intl flights

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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$747Average$1,014FlexibilityNo cancel feeOn-time76%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.