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Cheap flights from Idaho to Reykjavik from $647

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Reykjavik departing on 9/15. 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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Find the cheapest flights from Idaho to Reykjavik

Cheap round-trip flights

Logo
1:40 pm - 9:25 amGEG-KEF
12h 45m1 stop
Logo
7:45 pm - 12:19 amKEF-GEG
11h 34m1 stop
$647
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Mon, Sep 15 - Thu, Sep 25
United Airlines Logo
5:00 am - 7:00 amBOI-KEF
20h 00m2 stops
United Airlines Logo
12:00 pm - 10:41 pmKEF-BOI
16h 41m1 stop
$685United Airlines
Find Deal
Wed, Sep 10 - Wed, Sep 17
United Airlines Logo
11:21 am - 8:30 amGEG-KEF
14h 09m1 stop
United Airlines Logo
9:50 am - 12:36 pmKEF-GEG
33h 46m2 stops
$694United Airlines
Find Deal
Sun, Sep 14 - Tue, Sep 23
Delta Logo
12:40 pm - 6:20 amGEG-KEF
34h 40m2 stops
Delta Logo
11:25 am - 11:35 pmKEF-GEG
19h 10m2 stops
$702Delta
Find Deal
Sat, Sep 13 - Fri, Sep 26
Delta Logo
10:58 pm - 9:30 amGEG-KEF
27h 32m2 stops
Delta Logo
11:25 am - 11:13 pmKEF-GEG
18h 48m2 stops
$740Delta
Find Deal
Fri, Sep 12 - Fri, Sep 26
Air Canada Logo
7:23 am - 8:15 amGEG-KEF
17h 52m2 stops
Air Canada Logo
9:50 am - 12:36 pmKEF-GEG
33h 46m2 stops
$781Air Canada
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Wed, Sep 17 - Tue, Sep 23
Air Canada Logo
5:15 am - 8:10 amGEG-KEF
19h 55m2 stops
Air Canada Logo
9:50 am - 11:05 pmKEF-GEG
44h 15m2 stops
$804Air Canada
Find Deal
Tue, Sep 16 - Mon, Sep 22
Lufthansa Logo
7:23 am - 11:35 pmGEG-KEF
33h 12m2 stops
Lufthansa Logo
1:15 am - 8:24 pmKEF-GEG
26h 09m2 stops
$847Lufthansa
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Tue, Sep 23 - Tue, Sep 30
Lufthansa Logo
12:40 pm - 11:35 pmJAC-KEF
52h 55m2 stops
Lufthansa Logo
12:25 am - 8:49 pmKEF-JAC
26h 24m2 stops
$1,270Lufthansa
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Fri, Oct 10 - Fri, Oct 17
American Airlines Logo
1:10 pm - 9:30 amJAC-KEF
38h 20m2 stops
American Airlines Logo
10:00 am - 12:29 pmKEF-JAC
32h 29m2 stops
$1,285American Airlines
Find Deal
Fri, Oct 10 - Sat, Oct 18

Lufthansa flights from Idaho to Reykjavik Keflavik Intl Airport

Our best Lufthansa deals on Idaho to Reykjavik Keflavik Intl Airport flight tickets
Lufthansa
Sep 23
GEG7:23 amSpokane
33h 12m
2 stops
KEF11:35 pmReykjavik Keflavik Intl
Sep 30
KEF1:15 amReykjavik Keflavik Intl
26h 09m
2 stops
GEG8:24 pmSpokane
$847
Find similar
Lufthansa
Oct 10
JAC12:40 pmJackson Hole
52h 55m
2 stops
KEF11:35 pmReykjavik Keflavik Intl
Oct 17
KEF12:25 amReykjavik Keflavik Intl
26h 24m
2 stops
JAC8:49 pmJackson Hole
$1,270
Find similar
Lufthansa
Sep 10
BOI2:42 pmBoise Air Term. Gowen Fld
27h 28m
2 stops
KEF12:10 amReykjavik Keflavik Intl
Sep 16
KEF1:15 amReykjavik Keflavik Intl
27h 26m
2 stops
BOI10:41 pmBoise Air Term. Gowen Fld
$1,299
Find similar

United Airlines flights from Idaho to Reykjavik Keflavik Intl Airport

Our best United Airlines deals on Idaho to Reykjavik Keflavik Intl Airport flight tickets
United Airlines
Sep 10
BOI5:00 amBoise Air Term. Gowen Fld
20h 00m
2 stops
KEF7:00 amReykjavik Keflavik Intl
Sep 17
KEF12:00 pmReykjavik Keflavik Intl
16h 41m
1 stop
BOI10:41 pmBoise Air Term. Gowen Fld
$685
Find similar
United Airlines
Sep 14
GEG11:21 amSpokane
14h 09m
1 stop
KEF8:30 amReykjavik Keflavik Intl
Sep 23
KEF9:50 amReykjavik Keflavik Intl
33h 46m
2 stops
GEG12:36 pmSpokane
$694
Find similar
United Airlines
Sep 13
GEG4:00 pmSpokane
33h 30m
2 stops
KEF8:30 amReykjavik Keflavik Intl
Sep 23
KEF9:50 amReykjavik Keflavik Intl
33h 46m
2 stops
GEG12:36 pmSpokane
$699
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 August 21, 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 9/15

1:40 pm-9:25 am

1 stop12h 45m

Reykjavik Keflavik Intl

Thu 9/25

7:45 pm-12:19 am

1 stop11h 34m

$647

BoiseReykjavik

BOI - KEF

BOIKEF

Boise Air Term. Gowen Fld

Wed 9/10

5:00 am-7:00 am

2 stops20h 00m

Reykjavik Keflavik Intl

Wed 9/17

12:00 pm-10:41 pm

1 stop16h 41m

$685

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Sun 9/14

11:21 am-8:30 am

1 stop14h 09m

Reykjavik Keflavik Intl

Tue 9/23

9:50 am-12:36 pm

2 stops33h 46m

$694

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Sat 9/13

12:40 pm-6:20 am

2 stops34h 40m

Reykjavik Keflavik Intl

Fri 9/26

11:25 am-11:35 pm

2 stops19h 10m

$702

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Fri 9/12

10:58 pm-9:30 am

2 stops27h 32m

Reykjavik Keflavik Intl

Fri 9/26

11:25 am-11:13 pm

2 stops18h 48m

$740

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Wed 9/17

7:23 am-8:15 am

2 stops17h 52m

Reykjavik Keflavik Intl

Tue 9/23

9:50 am-12:36 pm

2 stops33h 46m

$781

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Tue 9/16

5:15 am-8:10 am

2 stops19h 55m

Reykjavik Keflavik Intl

Mon 9/22

9:50 am-11:05 pm

2 stops44h 15m

$804

SpokaneReykjavik

GEG - KEF

GEGKEF

Spokane

Tue 9/23

7:23 am-11:35 pm

2 stops33h 12m

Reykjavik Keflavik Intl

Tue 9/30

1:15 am-8:24 pm

2 stops26h 09m

$847

JacksonReykjavik

JAC - KEF

JACKEF

Jackson Hole

Fri 10/10

12:40 pm-11:35 pm

2 stops52h 55m

Reykjavik Keflavik Intl

Fri 10/17

12:25 am-8:49 pm

2 stops26h 24m

$1,270

JacksonReykjavik

JAC - KEF

JACKEF

Jackson Hole

Fri 10/10

1:10 pm-9:30 am

2 stops38h 20m

Reykjavik Keflavik Intl

Sat 10/18

10:00 am-12:29 pm

2 stops32h 29m

$1,285

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 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
7.0
529 reviews
Search Icelandair flights

Traveling to a place near Reykjavik?

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

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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