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Cheap flights from Montana to Reykjavik from $464

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Reykjavik departing on 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Montana to Reykjavik

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:59 pm - 9:00 am
MSO
-
KEF
31h 01m
1 stop
Alaska Airlines Logo
12:45 pm - 10:42 am
KEF
-
MSO
27h 57m
1 stop
$731Alaska Airlines
Tue, Jul 28 - Mon, Aug 3
United Airlines Logo
12:21 pm - 8:50 am
MSO
-
KEF
14h 29m
1 stop
United Airlines Logo
10:00 am - 9:32 pm
KEF
-
MSO
41h 32m
2 stops
$795United Airlines
Wed, Sep 30 - Thu, Oct 15
United Airlines Logo
4:24 pm - 8:50 am
BZN
-
KEF
10h 26m
1 stop
United Airlines Logo
10:00 am - 3:28 pm
KEF
-
BZN
35h 28m
2 stops
$795United Airlines
Wed, Sep 30 - Thu, Oct 15
United Airlines Logo
12:26 pm - 8:50 am
FCA
-
KEF
14h 24m
1 stop
United Airlines Logo
10:00 am - 11:28 am
KEF
-
FCA
31h 28m
2 stops
$795United Airlines
Wed, Sep 30 - Thu, Oct 15
United Airlines Logo
12:21 pm - 8:50 am
MSO
-
KEF
14h 29m
1 stop
United Airlines Logo
10:00 am - 9:32 pm
KEF
-
MSO
41h 32m
2 stops
$796United Airlines
Wed, Sep 30 - Thu, Oct 15
Icelandair Logo
6:58 pm - 9:25 am
BZN
-
KEF
32h 27m
1 stop
Icelandair Logo
10:40 am - 6:18 pm
KEF
-
BZN
13h 38m
1 stop
$941Icelandair
Tue, Aug 11 - Tue, Aug 18
Icelandair Logo
2:21 pm - 9:25 am
BZN
-
KEF
13h 04m
1 stop
Icelandair Logo
7:45 pm - 9:54 am
KEF
-
BZN
20h 09m
1 stop
$951Icelandair
Wed, Sep 16 - Sat, Sep 26
Multiple Airlines Logo
4:16 pm - 9:25 am
MSO
-
KEF
11h 09m
1 stop
Multiple Airlines Logo
7:45 pm - 12:26 pm
KEF
-
MSO
22h 41m
1 stop
$953Multiple Airlines
Wed, Sep 16 - Sun, Oct 4
Multiple Airlines Logo
2:21 pm - 9:25 am
BZN
-
KEF
13h 04m
1 stop
Multiple Airlines Logo
4:50 pm - 8:00 pm
KEF
-
BZN
33h 10m
1 stop
$953Multiple Airlines
Sat, Sep 19 - Mon, Sep 28
Air Canada Logo
5:00 am - 7:55 am
BIL
-
KEF
20h 55m
2 stops
Air Canada Logo
9:15 am - 5:19 pm
KEF
-
BIL
38h 04m
2 stops
$1,681Air Canada
Wed, Jul 15 - Fri, Jul 24

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United Airlines flights from Montana to Reykjavik Keflavik Intl Airport

Our best United Airlines deals on Montana to Reykjavik Keflavik Intl Airport flight tickets
United Airlines
Sep 30
MSO12:21 pmMissoula Johnson-Bell Field
14h 29m
1 stop
KEF8:50 amReykjavik Keflavik Intl
Oct 15
KEF10:00 amReykjavik Keflavik Intl
41h 32m
2 stops
MSO9:32 pmMissoula Johnson-Bell Field
$795
United Airlines
Sep 30
MSO12:21 pmMissoula Johnson-Bell Field
14h 29m
1 stop
KEF8:50 amReykjavik Keflavik Intl
Oct 15
KEF10:00 amReykjavik Keflavik Intl
41h 32m
2 stops
MSO9:32 pmMissoula Johnson-Bell Field
$796
United Airlines
Sep 30
MSO10:38 amMissoula Johnson-Bell Field
16h 12m
2 stops
KEF8:50 amReykjavik Keflavik Intl
Oct 15
KEF10:00 amReykjavik Keflavik Intl
41h 32m
2 stops
MSO9:32 pmMissoula Johnson-Bell Field
$800

Icelandair flights from Montana to Reykjavik Keflavik Intl Airport

Our best Icelandair deals on Montana to Reykjavik Keflavik Intl Airport flight tickets
Icelandair
Aug 11
BZN6:58 pmBozeman Gallatin Field
32h 27m
1 stop
KEF9:25 amReykjavik Keflavik Intl
Aug 18
KEF10:40 amReykjavik Keflavik Intl
13h 38m
1 stop
BZN6:18 pmBozeman Gallatin Field
$941
Icelandair
Sep 16
BZN2:21 pmBozeman Gallatin Field
13h 04m
1 stop
KEF9:25 amReykjavik Keflavik Intl
Sep 26
KEF7:45 pmReykjavik Keflavik Intl
20h 09m
1 stop
BZN9:54 amBozeman Gallatin Field
$951
Icelandair
Sep 16
BZN7:03 amBozeman Gallatin Field
20h 22m
1 stop
KEF9:25 amReykjavik Keflavik Intl
Sep 26
KEF7:45 pmReykjavik Keflavik Intl
20h 09m
1 stop
BZN9:54 amBozeman Gallatin Field
$959

momondo Fare Finder

 
Customize your flight search to find flights from Montana 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 June 30, 2026.
Use the filters below to find and compare flights from Montana to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Tue 7/28

7:59 pm-9:00 am

1 stop31h 01m

Reykjavik Keflavik Intl

Mon 8/3

12:45 pm-10:42 am

1 stop27h 57m

$731

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Wed 9/30

12:21 pm-8:50 am

1 stop14h 29m

Reykjavik Keflavik Intl

Thu 10/15

10:00 am-9:32 pm

2 stops41h 32m

$795

BozemanReykjavik

BZN - KEF

BZNKEF

Bozeman Gallatin Field

Wed 9/30

4:24 pm-8:50 am

1 stop10h 26m

Reykjavik Keflavik Intl

Thu 10/15

10:00 am-3:28 pm

2 stops35h 28m

$795

KalispellReykjavik

FCA - KEF

FCAKEF

Kalispell Glacier Park

Wed 9/30

12:26 pm-8:50 am

1 stop14h 24m

Reykjavik Keflavik Intl

Thu 10/15

10:00 am-11:28 am

2 stops31h 28m

$795

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Wed 9/30

12:21 pm-8:50 am

1 stop14h 29m

Reykjavik Keflavik Intl

Thu 10/15

10:00 am-9:32 pm

2 stops41h 32m

$796

BozemanReykjavik

BZN - KEF

BZNKEF

Bozeman Gallatin Field

Tue 8/11

6:58 pm-9:25 am

1 stop32h 27m

Reykjavik Keflavik Intl

Tue 8/18

10:40 am-6:18 pm

1 stop13h 38m

$941
Quickest round-trip

BozemanReykjavik

BZN - KEF

BZNKEF

Bozeman Gallatin Field

Wed 9/16

2:21 pm-9:25 am

1 stop13h 04m

Reykjavik Keflavik Intl

Sat 9/26

7:45 pm-9:54 am

1 stop20h 09m

$951

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Wed 9/16

4:16 pm-9:25 am

1 stop11h 09m

Reykjavik Keflavik Intl

Sun 10/4

7:45 pm-12:26 pm

1 stop22h 41m

$953

BozemanReykjavik

BZN - KEF

BZNKEF

Bozeman Gallatin Field

Sat 9/19

2:21 pm-9:25 am

1 stop13h 04m

Reykjavik Keflavik Intl

Mon 9/28

4:50 pm-8:00 pm

1 stop33h 10m

$953

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

Wed 7/15

5:00 am-7:55 am

2 stops20h 55m

Reykjavik Keflavik Intl

Fri 7/24

9:15 am-5:19 pm

2 stops38h 04m

$1,681

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Reykjavik from

How to get the cheapest flight ticket from Montana 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 airline that flies from Montana to Reykjavik Keflavik Intl?

Brussels Airlines, Austrian Airlines, and United Airlines are the most popular carriers operating from Montana to Reykjavik Keflavik Intl

Cheap Montana to Reykjavik Keflavik Intl Airport flight deals and tips

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

Fastest flight time

10h 26m

Direct flights

None
The fastest flight from Montana to Reykjavik Keflavik Intl Airport takes 10h 26m
There are no direct flights from Montana to Reykjavik Keflavik Intl Airport. There are no popular flight routes from Montana to Reykjavik Keflavik Intl Airport.
Search flight deals

Frequently asked questions about flying from Montana to Reykjavik Keflavik Intl Airport

  • When did momondo last update prices for flights from Montana to Reykjavik Keflavik Intl Airport?

    Prices for flights from Montana to Reykjavik Keflavik Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Montana 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 Montana to Reykjavik Keflavik Intl Airport.

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

    The travel and health documents required for your trip to Reykjavik Keflavik Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Reykjavik Keflavik Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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 Montana to Reykjavik?

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

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

Flights from Montana 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 Montana to Reykjavik?

momondo helps you find the best flight between Montana and Reykjavik by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Montana to Reykjavik flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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