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Cheap flights from Idaho to Reykjavik from $522

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Reykjavik departing on 12/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:00 am - 6:15 amGEG-KEF
13h 15m1 stop
Multiple Airlines Logo
5:00 pm - 9:28 pmKEF-GEG
12h 28m1 stop
$608Multiple Airlines
Find Deal
Mon, Dec 8 - Mon, Dec 15
Multiple Airlines Logo
10:00 am - 6:15 amBOI-KEF
13h 15m1 stop
Multiple Airlines Logo
5:00 pm - 10:56 pmKEF-BOI
12h 56m1 stop
$638Multiple Airlines
Find Deal
Mon, Dec 8 - Mon, Dec 15
Multiple Airlines Logo
8:55 am - 6:15 amBOI-KEF
14h 20m1 stop
Multiple Airlines Logo
5:00 pm - 11:50 pmKEF-BOI
13h 50m1 stop
$640Multiple Airlines
Find Deal
Mon, Dec 8 - Mon, Dec 15
Lufthansa Logo
12:30 pm - 12:10 amGEG-KEF
28h 40m2 stops
Lufthansa Logo
12:25 am - 11:38 pmKEF-GEG
30h 13m2 stops
$702Lufthansa
Find Deal
Wed, Apr 29 - Sat, May 2
Lufthansa Logo
12:30 pm - 12:10 amGEG-KEF
28h 40m2 stops
Lufthansa Logo
12:25 am - 11:38 pmKEF-GEG
30h 13m2 stops
$703Lufthansa
Find Deal
Wed, Apr 29 - Sat, May 2
Delta Logo
10:45 pm - 9:30 amGEG-KEF
27h 45m2 stops
Delta Logo
11:25 am - 12:02 pmKEF-GEG
31h 37m2 stops
$719Delta
Find Deal
Wed, Apr 29 - Sun, May 3
Delta Logo
11:35 am - 9:30 amBOI-KEF
39h 55m2 stops
Delta Logo
11:25 am - 12:11 amKEF-BOI
42h 46m2 stops
$733Delta
Find Deal
Wed, Apr 29 - Sun, May 3
Finnair Logo
7:20 am - 9:00 amBOI-KEF
42h 40m2 stops
Finnair Logo
10:00 am - 7:25 pmKEF-BOI
40h 25m2 stops
$775Finnair
Find Deal
Sat, Jan 31 - Sat, Feb 7
Scandinavian Airlines Logo
1:00 pm - 12:35 amBOI-KEF
29h 35m2 stops
Scandinavian Airlines Logo
10:30 am - 11:04 pmKEF-BOI
42h 34m2 stops
$783Scandinavian Airlines
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Wed, Apr 29 - Sun, May 3
Scandinavian Airlines Logo
3:54 pm - 10:45 amBOI-KEF
35h 51m2 stops
Scandinavian Airlines Logo
7:35 am - 10:05 pmKEF-BOI
21h 30m2 stops
$2,429Scandinavian Airlines
Find Deal
Mon, Dec 8 - Mon, Dec 15

Lufthansa flights from Idaho to Reykjavik Keflavik Intl Airport

Our best Lufthansa deals on Idaho to Reykjavik Keflavik Intl Airport flight tickets
Lufthansa
Apr 29
GEG12:30 pmSpokane
28h 40m
2 stops
KEF12:10 amReykjavik Keflavik Intl
May 2
KEF12:25 amReykjavik Keflavik Intl
30h 13m
2 stops
GEG11:38 pmSpokane
$702
Find similar
Lufthansa
Apr 29
GEG12:30 pmSpokane
28h 40m
2 stops
KEF12:10 amReykjavik Keflavik Intl
May 2
KEF12:25 amReykjavik Keflavik Intl
30h 13m
2 stops
GEG11:38 pmSpokane
$703
Find similar
Lufthansa
May 1
JAC2:30 pmJackson Hole
27h 00m
2 stops
KEF11:30 pmReykjavik Keflavik Intl
May 5
KEF2:20 pmReykjavik Keflavik Intl
36h 42m
2 stops
JAC9:02 pmJackson Hole
$735
Find similar

Delta flights from Idaho to Reykjavik Keflavik Intl Airport

Our best Delta deals on Idaho to Reykjavik Keflavik Intl Airport flight tickets
Delta
Apr 29
GEG10:45 pmSpokane
27h 45m
2 stops
KEF9:30 amReykjavik Keflavik Intl
May 3
KEF11:25 amReykjavik Keflavik Intl
31h 37m
2 stops
GEG12:02 pmSpokane
$719
Find similar
Delta
Apr 29
BOI11:35 amBoise Air Term. Gowen Fld
39h 55m
2 stops
KEF9:30 amReykjavik Keflavik Intl
May 3
KEF11:25 amReykjavik Keflavik Intl
42h 46m
2 stops
BOI12:11 amBoise Air Term. Gowen Fld
$733
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho to Reykjavik Keflavik Intl Airport 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, momondo users made 832,500 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Idaho to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Mon 12/8

9:00 am-6:15 am

1 stop13h 15m

Reykjavik Keflavik Intl

Mon 12/15

5:00 pm-9:28 pm

1 stop12h 28m

$608

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Mon 12/8

10:00 am-6:15 am

1 stop13h 15m

Reykjavik Keflavik Intl

Mon 12/15

5:00 pm-10:56 pm

1 stop12h 56m

$638

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Mon 12/8

8:55 am-6:15 am

1 stop14h 20m

Reykjavik Keflavik Intl

Mon 12/15

5:00 pm-11:50 pm

1 stop13h 50m

$640

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Wed 4/29

12:30 pm-12:10 am

2 stops28h 40m

Reykjavik Keflavik Intl

Sat 5/2

12:25 am-11:38 pm

2 stops30h 13m

$702

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Wed 4/29

12:30 pm-12:10 am

2 stops28h 40m

Reykjavik Keflavik Intl

Sat 5/2

12:25 am-11:38 pm

2 stops30h 13m

$703

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Wed 4/29

10:45 pm-9:30 am

2 stops27h 45m

Reykjavik Keflavik Intl

Sun 5/3

11:25 am-12:02 pm

2 stops31h 37m

$719

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Wed 4/29

11:35 am-9:30 am

2 stops39h 55m

Reykjavik Keflavik Intl

Sun 5/3

11:25 am-12:11 am

2 stops42h 46m

$733

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Sat 1/31

7:20 am-9:00 am

2 stops42h 40m

Reykjavik Keflavik Intl

Sat 2/7

10:00 am-7:25 pm

2 stops40h 25m

$775

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Wed 4/29

1:00 pm-12:35 am

2 stops29h 35m

Reykjavik Keflavik Intl

Sun 5/3

10:30 am-11:04 pm

2 stops42h 34m

$783

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Mon 12/8

3:54 pm-10:45 am

2 stops35h 51m

Reykjavik Keflavik Intl

Mon 12/15

7:35 am-10:05 pm

2 stops21h 30m

$2,429

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Idaho to Reykjavik Keflavik Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Reykjavik Keflavik Intl Airport?

The cheapest day to depart from Idaho to Reykjavik Keflavik Intl Airport is on a Wednesday when prices can be found for as low as $796. The most expensive day to fly to Reykjavik Keflavik Intl Airport is Monday, with ticket prices averaging around $984.

What is the cheapest time of day to depart on your flight to Reykjavik Keflavik Intl Airport?

The cheapest time of day to fly to Reykjavik Keflavik Intl Airport is in the morning when flights can be purchased for as low as $867. Flights at noon are often more expensive with an average ticket price of $998.

Cheap Idaho to Reykjavik Keflavik Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Reykjavik Keflavik Intl Airport

Direct flights

None
There are no direct flights from Idaho to Reykjavik Keflavik Intl Airport. There are no popular flight routes from Idaho to Reykjavik Keflavik Intl Airport.
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  • When did momondo last update prices for flights from Idaho to Reykjavik Keflavik Intl Airport?

    Prices for flights from Idaho to Reykjavik Keflavik Intl Airport are updated daily.

  • How many operators does momondo search for flights from Idaho to Reykjavik Keflavik Intl Airport?

  • How old do you have to be to fly from Idaho to Reykjavik Keflavik Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Idaho to Reykjavik Keflavik Intl Airport.

  • What documentation or ID do you need to fly to Reykjavik Keflavik Intl Airport?

    The travel and health documents you'll need for your trip to Reykjavik Keflavik Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Reykjavik Keflavik Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Idaho to Reykjavik Keflavik Intl Airport

Compare and see reviews for airlines that fly from Idaho to Reykjavik Keflavik Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $676Free CancellationRating
7.1
568 reviews
Search Icelandair flights

Traveling to a place near Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
Keflavik
Selfoss
Hella
Hveragerdi
Borgarnes
Grindavik
Kopavogur

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Reykjavik?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho to Reykjavik. momondo saves you time and could save you money on your trip.

Can I find flights from Idaho to Reykjavik with flexible booking policies on momondo?

Flights from Idaho to Reykjavik with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Idaho to Reykjavik?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Idaho to Reykjavik.

I’m not ready to book a flight from Idaho to Reykjavik right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Reykjavik from Idaho. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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