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Cheap flights from Idaho to Reykjavik from $507

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 8/27. 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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0 bags

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Find the cheapest flights from Idaho to Reykjavik

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:00 am - 6:15 am
GEG
-
KEF
18h 15m
1 stop
Multiple Airlines Logo
5:00 pm - 9:31 pm
KEF
-
GEG
11h 31m
1 stop
$687Multiple Airlines
Mon, Apr 27 - Mon, May 4
Multiple Airlines Logo
2:47 pm - 9:25 am
GEG
-
KEF
11h 38m
1 stop
Multiple Airlines Logo
7:45 pm - 11:55 pm
KEF
-
GEG
11h 10m
1 stop
$691Multiple Airlines
Tue, Apr 21 - Tue, Apr 28
Alaska Airlines Logo
7:20 am - 9:00 am
GEG
-
KEF
18h 40m
1 stop
Alaska Airlines Logo
12:45 pm - 10:36 pm
KEF
-
GEG
16h 51m
1 stop
$714Alaska Airlines
Sun, Aug 2 - Fri, Aug 7
Alaska Airlines Logo
11:40 am - 9:00 am
GEG
-
KEF
14h 20m
1 stop
Alaska Airlines Logo
12:45 pm - 7:03 pm
KEF
-
GEG
13h 18m
1 stop
$764Alaska Airlines
Sun, Aug 2 - Fri, Aug 7
Icelandair Logo
11:58 am - 9:25 am
BOI
-
KEF
15h 27m
1 stop
Icelandair Logo
4:50 pm - 11:59 pm
KEF
-
BOI
13h 09m
1 stop
$781Icelandair
Tue, Apr 21 - Wed, Apr 29
Icelandair Logo
11:58 am - 9:25 am
BOI
-
KEF
15h 27m
1 stop
Icelandair Logo
4:50 pm - 11:59 pm
KEF
-
BOI
13h 09m
1 stop
$798Icelandair
Tue, Apr 21 - Wed, Apr 29
Delta Logo
2:16 pm - 7:40 am
GEG
-
KEF
10h 24m
1 stop
Delta Logo
9:30 am - 1:11 pm
KEF
-
GEG
10h 41m
1 stop
$904Delta
Wed, May 13 - Wed, May 20
Delta Logo
5:00 am - 7:40 am
GEG
-
KEF
19h 40m
2 stops
Delta Logo
9:30 am - 11:35 pm
KEF
-
GEG
21h 05m
2 stops
$908Delta
Wed, May 13 - Wed, May 20
KLM Logo
7:00 am - 7:40 am
JAC
-
KEF
18h 40m
1 stop
KLM Logo
9:30 am - 8:15 pm
KEF
-
JAC
16h 45m
1 stop
$1,242KLM
Fri, May 8 - Fri, May 15
KLM Logo
11:35 am - 7:40 am
JAC
-
KEF
14h 05m
2 stops
KLM Logo
9:30 am - 8:15 pm
KEF
-
JAC
16h 45m
1 stop
$1,246KLM
Fri, May 8 - Fri, May 15

Icelandair flights from Idaho to Reykjavik Keflavik Intl Airport

Our best Icelandair deals on Idaho to Reykjavik Keflavik Intl Airport flight tickets
Icelandair
Apr 21
BOI11:58 amBoise Air Term. Gowen Fld
15h 27m
1 stop
KEF9:25 amReykjavik Keflavik Intl
Apr 29
KEF4:50 pmReykjavik Keflavik Intl
13h 09m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
$781
Icelandair
Apr 21
BOI11:58 amBoise Air Term. Gowen Fld
15h 27m
1 stop
KEF9:25 amReykjavik Keflavik Intl
Apr 29
KEF4:50 pmReykjavik Keflavik Intl
13h 09m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
$798
Icelandair
Sep 22
GEG1:23 pmSpokane
9h 52m
1 stop
KEF6:15 amReykjavik Keflavik Intl
Sep 29
KEF4:50 pmReykjavik Keflavik Intl
14h 28m
1 stop
GEG12:18 amSpokane
$922

Alaska Airlines flights from Idaho to Reykjavik Keflavik Intl Airport

Our best Alaska Airlines deals on Idaho to Reykjavik Keflavik Intl Airport flight tickets
Alaska Airlines
Aug 2
GEG7:20 amSpokane
18h 40m
1 stop
KEF9:00 amReykjavik Keflavik Intl
Aug 7
KEF12:45 pmReykjavik Keflavik Intl
16h 51m
1 stop
GEG10:36 pmSpokane
$714
Alaska Airlines
Aug 2
GEG11:40 amSpokane
14h 20m
1 stop
KEF9:00 amReykjavik Keflavik Intl
Aug 7
KEF12:45 pmReykjavik Keflavik Intl
13h 18m
1 stop
GEG7:03 pmSpokane
$764
Alaska Airlines
Aug 15
BOI8:59 pmBoise Air Term. Gowen Fld
30h 01m
1 stop
KEF9:00 amReykjavik Keflavik Intl
Aug 27
KEF12:45 pmReykjavik Keflavik Intl
17h 26m
1 stop
BOI12:11 amBoise Air Term. Gowen Fld
$775

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 March 28, 2026.
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

Cheapest round-trip

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Mon 4/27

5:00 am-6:15 am

1 stop18h 15m

Reykjavik Keflavik Intl

Mon 5/4

5:00 pm-9:31 pm

1 stop11h 31m

$687

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Tue 4/21

2:47 pm-9:25 am

1 stop11h 38m

Reykjavik Keflavik Intl

Tue 4/28

7:45 pm-11:55 pm

1 stop11h 10m

$691

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Sun 8/2

7:20 am-9:00 am

1 stop18h 40m

Reykjavik Keflavik Intl

Fri 8/7

12:45 pm-10:36 pm

1 stop16h 51m

$714

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Sun 8/2

11:40 am-9:00 am

1 stop14h 20m

Reykjavik Keflavik Intl

Fri 8/7

12:45 pm-7:03 pm

1 stop13h 18m

$764

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Tue 4/21

11:58 am-9:25 am

1 stop15h 27m

Reykjavik Keflavik Intl

Wed 4/29

4:50 pm-11:59 pm

1 stop13h 09m

$781

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Tue 4/21

11:58 am-9:25 am

1 stop15h 27m

Reykjavik Keflavik Intl

Wed 4/29

4:50 pm-11:59 pm

1 stop13h 09m

$798
Quickest round-trip

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Wed 5/13

2:16 pm-7:40 am

1 stop10h 24m

Reykjavik Keflavik Intl

Wed 5/20

9:30 am-1:11 pm

1 stop10h 41m

$904

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Wed 5/13

5:00 am-7:40 am

2 stops19h 40m

Reykjavik Keflavik Intl

Wed 5/20

9:30 am-11:35 pm

2 stops21h 05m

$908

JacksonReykjavik

JAC - KEF

JACKEF

Jackson Hole

Fri 5/8

7:00 am-7:40 am

1 stop18h 40m

Reykjavik Keflavik Intl

Fri 5/15

9:30 am-8:15 pm

1 stop16h 45m

$1,242

JacksonReykjavik

JAC - KEF

JACKEF

Jackson Hole

Fri 5/8

11:35 am-7:40 am

2 stops14h 05m

Reykjavik Keflavik Intl

Fri 5/15

9:30 am-8:15 pm

1 stop16h 45m

$1,246

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Reykjavik from

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

Can stopping save me money on Idaho to Reykjavik Keflavik Intl Airport flights?

You could potentially save up to 10% on your flight if you consider stops on a Idaho to Reykjavik Keflavik Intl Airport flight.

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

Fastest flight time

11h 01m

Direct flights

None
The fastest flight from Idaho to Reykjavik Keflavik Intl Airport takes 11h 01m
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.
Search flight deals

  • 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.

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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