Iceland

$513+ Cheap flights from Idaho to Iceland

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

Find cheap flights from Idaho to Iceland 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 Idaho to Iceland

Keep the following information in mind while searching for Idaho to Iceland flight deals. Data was last updated September 11, 2025.

Round-trip from

$520
(Trip.com)

One-way from

$513
(KAYAK)

Popular in

December

Cheapest in

February

Average price

$987
From Idaho to Iceland
One-way flight from Idaho to Iceland
Highest demand for flights based on searches. 2% potential increase in price ($26 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find flight deals from Idaho to Iceland

Cheapest flights from Idaho to Iceland
Explore the most affordable flight options available from Idaho to Iceland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 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.
Tue 10/74:25 pmBOI - KEF
1 stop11h 00mMultiple Airlines
Wed 10/154:50 pmKEF - BOI
1 stop12h 15mMultiple Airlines
Deal found 9/10$520
This Trip.com deal was found by Cheapflights users on 9/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:35 amGEG - KEF
1 stop14h 40mMultiple Airlines
Wed 11/195:00 pmKEF - GEG
1 stop15h 22mMultiple Airlines
Deal found 9/9$541
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.
Thu 11/610:05 amBOI - KEF
1 stop13h 10mMultiple Airlines
Fri 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.
Thu 11/1311:43 amBOI - KEF
1 stop11h 32mMultiple Airlines
Mon 11/175:00 pmKEF - BOI
1 stop12h 20mMultiple Airlines
Deal found 9/10$666
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1711:21 amGEG - KEF
1 stop14h 09mUnited Airlines
Tue 9/239:50 amKEF - GEG
2 stops55h 49mUnited Airlines
Deal found 9/10$673
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.
Fri 11/711:43 amBOI - KEF
1 stop11h 32mMultiple Airlines
Fri 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.
Wed 9/242:28 pmBOI - KEF
1 stop12h 57mMultiple Airlines
Wed 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.
Thu 11/610:39 amBOI - KEF
2 stops22h 06mLufthansa
Fri 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.
Fri 11/710:39 amBOI - KEF
2 stops29h 56mLufthansa
Fri 11/144:50 pmKEF - BOI
2 stops35h 46mLufthansa
Deal found 9/10$727
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:23 amGEG - KEF
2 stops41h 47mMultiple Airlines
Mon 9/2212:25 amKEF - GEG
2 stops29h 40mMultiple Airlines
Deal found 9/10$740
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.
Thu 11/133:54 pmBOI - KEF
2 stops25h 01mScandinavian Airlines
Mon 11/1711:30 amKEF - BOI
2 stops42h 24mScandinavian Airlines
Deal found 9/10$742
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:15 amGEG - KEF
2 stops17h 55mMultiple Airlines
Wed 10/1512:25 amKEF - GEG
2 stops29h 50mMultiple Airlines
Deal found 9/10$860

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Iceland 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 September 11, 2025.
Use the filters below to find and compare flights from Idaho to Iceland that are best for you.

Fly from

Idaho

Fly to

Iceland

Route

Depart

Return

Price

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Wed 11/5

7:35 am-6:15 am

1 stop14h 40m

Reykjavik Keflavik Intl

Wed 11/19

5:00 pm-12:22 am

1 stop15h 22m

$541

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Thu 11/13

7:30 am-6:15 am

2 stops15h 45m

Reykjavik Keflavik Intl

Mon 11/17

5:00 pm-10:20 pm

1 stop12h 20m

$705

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Fri 11/7

5:54 am-6:15 am

2 stops17h 21m

Reykjavik Keflavik Intl

Fri 11/14

5:00 pm-10:20 pm

1 stop12h 20m

$705

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Thu 11/6

10:39 am-3:45 pm

2 stops22h 06m

Reykjavik Keflavik Intl

Fri 11/14

4:50 pm-9:36 pm

2 stops35h 46m

$717

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Wed 9/24

5:00 am-8:15 am

2 stops21h 15m

Reykjavik Keflavik Intl

Wed 10/1

9:30 am-6:47 pm

2 stops39h 17m

$771

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Wed 9/24

5:00 am-8:15 am

2 stops21h 15m

Reykjavik Keflavik Intl

Wed 10/1

9:30 am-11:44 pm

2 stops44h 14m

$771

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Fri 11/7

4:00 pm-10:45 am

2 stops35h 45m

Reykjavik Keflavik Intl

Fri 11/14

11:30 am-10:54 pm

2 stops42h 24m

$802

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Thu 10/2

7:15 am-8:10 am

2 stops17h 55m

Reykjavik Keflavik Intl

Wed 10/15

12:25 am-11:15 pm

2 stops29h 50m

$860

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Sat 10/25

6:02 am-9:15 am

2 stops44h 13m

Reykjavik Keflavik Intl

Sat 11/1

6:00 pm-9:55 pm

2 stops34h 55m

$863

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Thu 11/6

7:35 am-6:15 am

1 stop14h 40m

Reykjavik Keflavik Intl

Fri 11/7

5:00 pm-10:59 pm

1 stop13h 59m

$960

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Idaho to Iceland

Have a flexible travel schedule? Discover the best time to fly to Iceland from Idaho 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 Idaho to Iceland

What is the cheapest time of day to fly from ID to IS?

Find hourly flight availability from Idaho to Iceland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Iceland as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Iceland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Idaho to Iceland?

    Departing from Idaho to Iceland will take you 22h 06m. The distance between Idaho and Iceland is about 3672 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Idaho to Iceland that include hotel bookings?

    Yes. In addition to deals on Idaho to Iceland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Iceland?

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

  • Can I find deals for business class flights from Idaho to Iceland?

    Yes. Cheapflights offers flight deals from Idaho to Iceland 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 Idaho to Iceland?

    Currently, November is the cheapest month in which you can book a flight from Idaho to Iceland (average of $328). Flying from Idaho to Iceland 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

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 Idaho to Iceland

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Idaho to Iceland

Discover the top airline that operate flights from Idaho to Iceland. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$386Average$1,029FlexibilityNo 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.