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Cheap flights from Montana to Reykjavik from $457

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 8/29. 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 Montana to Reykjavik

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
10:26 am - 9:00 am
BZN
-
KEF
16h 34m
1 stop
Alaska Airlines Logo
12:45 pm - 11:19 pm
KEF
-
BZN
16h 34m
1 stop
$715Alaska Airlines
Tue, Jul 21 - Thu, Jul 30
Air Canada Logo
7:00 am - 8:45 am
BIL
-
KEF
19h 45m
2 stops
Air Canada Logo
10:00 am - 5:16 pm
KEF
-
BIL
37h 16m
2 stops
$819Air Canada
Sun, Oct 4 - Tue, Oct 20
Alaska Airlines Logo
7:00 am - 9:00 am
BZN
-
KEF
20h 00m
1 stop
Alaska Airlines Logo
12:45 pm - 10:59 pm
KEF
-
BZN
16h 14m
1 stop
$888Alaska Airlines
Mon, Aug 24 - Fri, Aug 28
Icelandair Logo
4:13 pm - 9:25 am
MSO
-
KEF
11h 12m
1 stop
Icelandair Logo
7:45 pm - 2:50 pm
KEF
-
MSO
25h 05m
1 stop
$900Icelandair
Wed, Sep 16 - Sun, Oct 4
Icelandair Logo
2:18 pm - 2:00 pm
BZN
-
KEF
17h 42m
1 stop
Icelandair Logo
4:50 pm - 10:59 pm
KEF
-
BZN
12h 09m
1 stop
$913Icelandair
Sat, Aug 29 - Thu, Sep 10
Multiple Airlines Logo
11:20 am - 6:00 am
BZN
-
KEF
12h 40m
1 stop
Multiple Airlines Logo
4:50 pm - 10:40 am
KEF
-
BZN
23h 50m
1 stop
$927Multiple Airlines
Wed, Sep 30 - Thu, Oct 15
United Airlines Logo
12:40 pm - 8:50 am
MSO
-
KEF
14h 10m
1 stop
United Airlines Logo
10:00 am - 1:33 pm
KEF
-
MSO
33h 33m
2 stops
$966United Airlines
Wed, Sep 30 - Thu, Oct 15
United Airlines Logo
8:30 am - 8:50 am
BZN
-
KEF
18h 20m
1 stop
United Airlines Logo
10:00 am - 10:18 pm
KEF
-
BZN
42h 18m
2 stops
$966United Airlines
Wed, Sep 30 - Thu, Oct 15
Delta Logo
6:15 am - 7:00 am
BIL
-
KEF
18h 45m
1 stop
Delta Logo
11:25 am - 10:32 pm
KEF
-
BIL
17h 07m
2 stops
$985Delta
Sun, Oct 4 - Thu, Oct 22
Delta Logo
5:45 am - 7:00 am
HLN
-
KEF
19h 15m
2 stops
Delta Logo
11:25 am - 10:34 pm
KEF
-
HLN
17h 09m
2 stops
$1,045Delta
Sun, Sep 27 - Mon, Oct 5

Icelandair flights from Montana to Reykjavik Keflavik Intl Airport

Our best Icelandair deals on Montana to Reykjavik Keflavik Intl Airport flight tickets
Icelandair
Sep 16
MSO4:13 pmMissoula Johnson-Bell Field
11h 12m
1 stop
KEF9:25 amReykjavik Keflavik Intl
Oct 4
KEF7:45 pmReykjavik Keflavik Intl
25h 05m
1 stop
MSO2:50 pmMissoula Johnson-Bell Field
$900
Icelandair
Aug 29
BZN2:18 pmBozeman Gallatin Field
17h 42m
1 stop
KEF2:00 pmReykjavik Keflavik Intl
Sep 10
KEF4:50 pmReykjavik Keflavik Intl
12h 09m
1 stop
BZN10:59 pmBozeman Gallatin Field
$913
Icelandair
Jun 6
BIL7:21 pmBillings Logan Intl
12h 39m
1 stop
KEF2:00 pmReykjavik Keflavik Intl
Jun 10
KEF4:50 pmReykjavik Keflavik Intl
28h 13m
1 stop
BIL3:03 pmBillings Logan Intl
$1,001

Lufthansa flights from Montana to Reykjavik Keflavik Intl Airport

Our best Lufthansa deals on Montana to Reykjavik Keflavik Intl Airport flight tickets
Lufthansa
Oct 20
HLN2:35 pmHelena
36h 10m
2 stops
KEF8:45 amReykjavik Keflavik Intl
Oct 27
KEF3:25 pmReykjavik Keflavik Intl
52h 02m
2 stops
HLN1:27 pmHelena
$1,103
Lufthansa
Aug 1
BZN10:33 amBozeman Gallatin Field
16h 17m
2 stops
KEF8:50 amReykjavik Keflavik Intl
Aug 14
KEF12:25 amReykjavik Keflavik Intl
26h 54m
2 stops
BZN9:19 pmBozeman Gallatin Field
$1,835
Lufthansa
Aug 1
BZN12:48 pmBozeman Gallatin Field
14h 02m
1 stop
KEF8:50 amReykjavik Keflavik Intl
Aug 14
KEF12:25 amReykjavik Keflavik Intl
25h 32m
2 stops
BZN7:57 pmBozeman Gallatin Field
$2,683

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 May 14, 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

BozemanReykjavik

BZN - KEF

BZNKEF

Bozeman Gallatin Field

Tue 7/21

10:26 am-9:00 am

1 stop16h 34m

Reykjavik Keflavik Intl

Thu 7/30

12:45 pm-11:19 pm

1 stop16h 34m

$715

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

Sun 10/4

7:00 am-8:45 am

2 stops19h 45m

Reykjavik Keflavik Intl

Tue 10/20

10:00 am-5:16 pm

2 stops37h 16m

$819

BozemanReykjavik

BZN - KEF

BZNKEF

Bozeman Gallatin Field

Mon 8/24

7:00 am-9:00 am

1 stop20h 00m

Reykjavik Keflavik Intl

Fri 8/28

12:45 pm-10:59 pm

1 stop16h 14m

$888

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Wed 9/16

4:13 pm-9:25 am

1 stop11h 12m

Reykjavik Keflavik Intl

Sun 10/4

7:45 pm-2:50 pm

1 stop25h 05m

$900
Quickest round-trip

BozemanReykjavik

BZN - KEF

BZNKEF

Bozeman Gallatin Field

Sat 8/29

2:18 pm-2:00 pm

1 stop17h 42m

Reykjavik Keflavik Intl

Thu 9/10

4:50 pm-10:59 pm

1 stop12h 09m

$913

BozemanReykjavik

BZN - KEF

BZNKEF

Bozeman Gallatin Field

Wed 9/30

11:20 am-6:00 am

1 stop12h 40m

Reykjavik Keflavik Intl

Thu 10/15

4:50 pm-10:40 am

1 stop23h 50m

$927

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Wed 9/30

12:40 pm-8:50 am

1 stop14h 10m

Reykjavik Keflavik Intl

Thu 10/15

10:00 am-1:33 pm

2 stops33h 33m

$966

BozemanReykjavik

BZN - KEF

BZNKEF

Bozeman Gallatin Field

Wed 9/30

8:30 am-8:50 am

1 stop18h 20m

Reykjavik Keflavik Intl

Thu 10/15

10:00 am-10:18 pm

2 stops42h 18m

$966

BillingsReykjavik

BIL - KEF

BILKEF

Billings Logan Intl

Sun 10/4

6:15 am-7:00 am

1 stop18h 45m

Reykjavik Keflavik Intl

Thu 10/22

11:25 am-10:32 pm

2 stops17h 07m

$985

HelenaReykjavik

HLN - KEF

HLNKEF

Helena

Sun 9/27

5:45 am-7:00 am

2 stops19h 15m

Reykjavik Keflavik Intl

Mon 10/5

11:25 am-10:34 pm

2 stops17h 09m

$1,045

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 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?

Alaska Airlines, Brussels Airlines, and Lufthansa 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

11h 12m

Direct flights

None
The fastest flight from Montana to Reykjavik Keflavik Intl Airport takes 11h 12m
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.
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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
Borgarnes
Hveragerdi
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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