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Cheap flights from Montana to Reykjavik from $685

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.
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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
4:08 pm - 9:00 am
HLN
-
KEF
10h 52m
1 stop
Alaska Airlines Logo
12:45 pm - 3:31 pm
KEF
-
HLN
32h 46m
1 stop
$775Alaska Airlines
Wed, Aug 19 - Tue, Sep 8
Alaska Airlines Logo
3:04 pm - 9:00 am
BZN
-
KEF
11h 56m
1 stop
Alaska Airlines Logo
12:45 pm - 11:22 pm
KEF
-
BZN
16h 37m
1 stop
$784Alaska Airlines
Fri, Jul 3 - Fri, Jul 10
Alaska Airlines Logo
6:58 pm - 9:00 am
BZN
-
KEF
32h 02m
1 stop
Alaska Airlines Logo
12:45 pm - 11:22 pm
KEF
-
BZN
16h 37m
1 stop
$791Alaska Airlines
Thu, Jul 2 - Thu, Jul 9
Icelandair Logo
8:00 am - 9:25 am
BZN
-
KEF
19h 25m
1 stop
Icelandair Logo
7:45 pm - 11:03 am
KEF
-
BZN
21h 18m
1 stop
$829Icelandair
Sat, May 2 - Thu, May 14
Icelandair Logo
8:00 am - 9:25 am
BZN
-
KEF
19h 25m
1 stop
Icelandair Logo
7:45 pm - 10:42 pm
KEF
-
BZN
32h 57m
1 stop
$837Icelandair
Sat, May 2 - Thu, May 14
Multiple Airlines Logo
3:39 pm - 9:25 am
MSO
-
KEF
11h 46m
1 stop
Multiple Airlines Logo
10:40 am - 11:59 pm
KEF
-
MSO
19h 19m
1 stop
$884Multiple Airlines
Mon, May 18 - Mon, May 25
Delta Logo
5:45 am - 7:00 am
HLN
-
KEF
19h 15m
2 stops
Delta Logo
9:30 am - 10:34 pm
KEF
-
HLN
19h 04m
2 stops
$908Delta
Mon, Aug 24 - Thu, Sep 10
Virgin Atlantic Logo
12:15 pm - 9:30 am
FCA
-
KEF
15h 15m
2 stops
Virgin Atlantic Logo
9:30 am - 5:27 pm
KEF
-
FCA
13h 57m
2 stops
$908Virgin Atlantic
Tue, May 12 - Tue, May 19
Multiple Airlines Logo
12:50 pm - 7:40 am
HLN
-
KEF
36h 50m
2 stops
Multiple Airlines Logo
9:30 am - 10:34 pm
KEF
-
HLN
19h 04m
2 stops
$911Multiple Airlines
Sat, Aug 22 - Thu, Sep 10
Delta Logo
12:50 pm - 7:00 am
HLN
-
KEF
36h 10m
2 stops
Delta Logo
9:30 am - 10:34 pm
KEF
-
HLN
19h 04m
2 stops
$920Delta
Sun, Aug 23 - Thu, Sep 10

Alaska Airlines flights from Montana to Reykjavik Keflavik Intl Airport

Our best Alaska Airlines deals on Montana to Reykjavik Keflavik Intl Airport flight tickets
Alaska Airlines
Aug 19
HLN4:08 pmHelena
10h 52m
1 stop
KEF9:00 amReykjavik Keflavik Intl
Sep 8
KEF12:45 pmReykjavik Keflavik Intl
32h 46m
1 stop
HLN3:31 pmHelena
$775
Alaska Airlines
Jul 3
BZN3:04 pmBozeman Gallatin Field
11h 56m
1 stop
KEF9:00 amReykjavik Keflavik Intl
Jul 10
KEF12:45 pmReykjavik Keflavik Intl
16h 37m
1 stop
BZN11:22 pmBozeman Gallatin Field
$784
Alaska Airlines
Jul 2
BZN6:58 pmBozeman Gallatin Field
32h 02m
1 stop
KEF9:00 amReykjavik Keflavik Intl
Jul 9
KEF12:45 pmReykjavik Keflavik Intl
16h 37m
1 stop
BZN11:22 pmBozeman Gallatin Field
$791

Icelandair flights from Montana to Reykjavik Keflavik Intl Airport

Our best Icelandair deals on Montana to Reykjavik Keflavik Intl Airport flight tickets
Icelandair
May 2
BZN8:00 amBozeman Gallatin Field
19h 25m
1 stop
KEF9:25 amReykjavik Keflavik Intl
May 14
KEF7:45 pmReykjavik Keflavik Intl
21h 18m
1 stop
BZN11:03 amBozeman Gallatin Field
$829
Icelandair
May 2
BZN8:00 amBozeman Gallatin Field
19h 25m
1 stop
KEF9:25 amReykjavik Keflavik Intl
May 14
KEF7:45 pmReykjavik Keflavik Intl
32h 57m
1 stop
BZN10:42 pmBozeman Gallatin Field
$837
Icelandair
May 17
BZN1:57 pmBozeman Gallatin Field
13h 28m
1 stop
KEF9:25 amReykjavik Keflavik Intl
May 23
KEF10:40 amReykjavik Keflavik Intl
18h 02m
1 stop
BZN10:42 pmBozeman Gallatin Field
$871

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 March 29, 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

HelenaReykjavik

HLN - KEF

HLNKEF

Helena

Wed 8/19

4:08 pm-9:00 am

1 stop10h 52m

Reykjavik Keflavik Intl

Tue 9/8

12:45 pm-3:31 pm

1 stop32h 46m

$775
Quickest round-trip

BozemanReykjavik

BZN - KEF

BZNKEF

Bozeman Gallatin Field

Fri 7/3

3:04 pm-9:00 am

1 stop11h 56m

Reykjavik Keflavik Intl

Fri 7/10

12:45 pm-11:22 pm

1 stop16h 37m

$784

BozemanReykjavik

BZN - KEF

BZNKEF

Bozeman Gallatin Field

Thu 7/2

6:58 pm-9:00 am

1 stop32h 02m

Reykjavik Keflavik Intl

Thu 7/9

12:45 pm-11:22 pm

1 stop16h 37m

$791

BozemanReykjavik

BZN - KEF

BZNKEF

Bozeman Gallatin Field

Sat 5/2

8:00 am-9:25 am

1 stop19h 25m

Reykjavik Keflavik Intl

Thu 5/14

7:45 pm-11:03 am

1 stop21h 18m

$829

BozemanReykjavik

BZN - KEF

BZNKEF

Bozeman Gallatin Field

Sat 5/2

8:00 am-9:25 am

1 stop19h 25m

Reykjavik Keflavik Intl

Thu 5/14

7:45 pm-10:42 pm

1 stop32h 57m

$837

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Mon 5/18

3:39 pm-9:25 am

1 stop11h 46m

Reykjavik Keflavik Intl

Mon 5/25

10:40 am-11:59 pm

1 stop19h 19m

$884

HelenaReykjavik

HLN - KEF

HLNKEF

Helena

Mon 8/24

5:45 am-7:00 am

2 stops19h 15m

Reykjavik Keflavik Intl

Thu 9/10

9:30 am-10:34 pm

2 stops19h 04m

$908

KalispellReykjavik

FCA - KEF

FCAKEF

Kalispell Glacier Park

Tue 5/12

12:15 pm-9:30 am

2 stops15h 15m

Reykjavik Keflavik Intl

Tue 5/19

9:30 am-5:27 pm

2 stops13h 57m

$908

HelenaReykjavik

HLN - KEF

HLNKEF

Helena

Sat 8/22

12:50 pm-7:40 am

2 stops36h 50m

Reykjavik Keflavik Intl

Thu 9/10

9:30 am-10:34 pm

2 stops19h 04m

$911

HelenaReykjavik

HLN - KEF

HLNKEF

Helena

Sun 8/23

12:50 pm-7:00 am

2 stops36h 10m

Reykjavik Keflavik Intl

Thu 9/10

9:30 am-10:34 pm

2 stops19h 04m

$920

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 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?

Delta is the most popular carrier 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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  • 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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