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Keflavik Intl

$492+ 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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — KEF
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$707
(United Airlines)

One-way from

$492
(Kiwi.com)
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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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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2212:27 pmBOI - KEF
1 stop14h 03mUnited Airlines
Fri 8/299:30 amKEF - BOI
2 stops43h 11mUnited Airlines
Deal found 6/10$707
This Air Canada deal was found by Cheapflights users on 6/12. 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.
Fri 8/2210:45 amBOI - KEF
3 stops15h 30mAir Canada
Fri 8/299:30 amKEF - BOI
3 stops17h 44mAir Canada
Deal found 6/12$747
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Tue 10/213:05 pmBOI - KEF
2 stops43h 15mScandinavian Airlines
Mon 10/2711:30 amKEF - BOI
2 stops41h 34mScandinavian Airlines
Deal found 6/11$810
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Wed 8/68:46 pmBOI - KEF
1 stop11h 14mMultiple Airlines
Mon 8/1110:30 amKEF - BOI
1 stop11h 40mMultiple Airlines
Deal found 6/12$871
This Ovago deal was found by Cheapflights users on 6/12. 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.
Fri 8/222:42 pmBOI - KEF
2 stops26h 53mLufthansa
Thu 8/281:15 amKEF - BOI
2 stops25h 59mLufthansa
Deal found 6/12$912
This KLM deal was found by Cheapflights users on 6/9. 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 7/1010:24 amBOI - KEF
1 stop14h 36mKLM
Thu 7/179:30 amKEF - BOI
1 stop20h 29mKLM
Deal found 6/9$1,010
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 10/214:25 pmBOI - KEF
1 stop11h 00mAlaska Airlines
Mon 10/274:50 pmKEF - BOI
2 stops12h 58mAlaska Airlines
Deal found 6/11$1,085
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Wed 7/234:50 pmBOI - KEF
1 stop10h 35mIcelandair
Sat 8/210:30 amKEF - BOI
1 stop18h 16mIcelandair
Deal found 6/11$1,124
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:15 amBOI - KEF
2 stops20h 15mDelta
Fri 9/2611:25 amKEF - BOI
2 stops17h 39mDelta
Deal found 6/10$3,814

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 June 12, 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 8/22

12:27 pm-8:30 am

1 stop14h 03m

Reykjavik Keflavik Intl

Fri 8/29

9:30 am-10:41 pm

2 stops43h 11m

$707

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Fri 8/22

10:45 am-8:15 am

3 stops15h 30m

Reykjavik Keflavik Intl

Fri 8/29

9:30 am-9:14 pm

3 stops17h 44m

$747

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Tue 10/21

3:05 pm-4:20 pm

2 stops43h 15m

Reykjavik Keflavik Intl

Mon 10/27

11:30 am-11:04 pm

2 stops41h 34m

$810

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Wed 8/6

8:46 pm-2:00 pm

1 stop11h 14m

Reykjavik Keflavik Intl

Mon 8/11

10:30 am-4:10 pm

1 stop11h 40m

$871

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Fri 8/22

2:42 pm-11:35 pm

2 stops26h 53m

Reykjavik Keflavik Intl

Thu 8/28

1:15 am-9:14 pm

2 stops25h 59m

$912

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Tue 10/21

4:25 pm-9:25 am

1 stop11h 00m

Reykjavik Keflavik Intl

Mon 10/27

4:50 pm-11:48 pm

2 stops12h 58m

$1,085

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Wed 7/23

4:50 pm-9:25 am

1 stop10h 35m

Reykjavik Keflavik Intl

Sat 8/2

10:30 am-10:46 pm

1 stop18h 16m

$1,124

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Wed 9/17

7:15 am-9:30 am

2 stops20h 15m

Reykjavik Keflavik Intl

Fri 9/26

11:25 am-11:04 pm

2 stops17h 39m

$3,814

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Thu 7/24

6:25 am-8:15 am

2 stops19h 50m

$492

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 June 12, 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 June 12, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Scandinavian Airlines
7.3
Good
1,387 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Air Canada
7.1
Good
9,537 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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 United Airlines. Our recent data shows that you can find tickets from as low as $707 on this airline. Additional options worth looking into are Air Canada and Scandinavian Airlines, starting at $747 and $810 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 $659). 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 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$731Average$1,047FlexibilityNo cancel feeOn-time76%

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