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Keflavik Intl

$806+ Cheap flights from Missoula (MSO) to Keflavik Intl (KEF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — KEF
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
1 adult, Economy
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Cheap flight deals from Missoula to Keflavik Intl

Cheapest flights from Missoula to Keflavik Intl
Explore the most affordable flight options available from Missoula to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/183:39 pm
MSO
-
KEF
1 stop11h 46m
Multiple Airlines
Mon 5/2510:40 am
KEF
-
MSO
1 stop19h 19m
Multiple Airlines
Deal found 3/14$806
This Alaska Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:45 am
MSO
-
KEF
1 stop19h 15m
Alaska Airlines
Thu 6/1812:45 pm
KEF
-
MSO
1 stop17h 14m
Alaska Airlines
Deal found 3/14$869
This oojo deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/182:03 pm
MSO
-
KEF
1 stop13h 22m
Icelandair
Mon 5/2510:40 am
KEF
-
MSO
1 stop19h 19m
Icelandair
Deal found 3/13$895
This Virgin Atlantic deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/183:30 pm
MSO
-
KEF
1 stop10h 10m
Virgin Atlantic
Mon 5/258:45 am
KEF
-
MSO
2 stops20h 55m
Virgin Atlantic
Deal found 3/14$898
This United Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:40 pm
MSO
-
KEF
1 stop14h 10m
United Airlines
Thu 9/1710:00 am
KEF
-
MSO
2 stops31h 34m
United Airlines
Deal found 3/14$913
This Expedia deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/147:00 am
MSO
-
KEF
1 stop20h 00m
Alaska Airlines
Mon 6/2912:45 pm
KEF
-
MSO
1 stop17h 14m
Alaska Airlines
Deal found 3/12$914
This United Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:19 pm
MSO
-
KEF
2 stops33h 36m
United Airlines
Tue 9/1510:00 am
KEF
-
MSO
2 stops31h 34m
United Airlines
Deal found 3/14$917
This United Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:15 am
MSO
-
KEF
3 stops20h 35m
United Airlines
Thu 9/1710:00 am
KEF
-
MSO
2 stops31h 34m
United Airlines
Deal found 3/14$918
This United Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:40 pm
MSO
-
KEF
1 stop14h 10m
United Airlines
Wed 9/1612:00 pm
KEF
-
MSO
2 stops15h 26m
United Airlines
Deal found 3/14$933
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:15 am
MSO
-
KEF
2 stops20h 30m
United Airlines
Thu 10/1510:00 am
KEF
-
MSO
2 stops36h 10m
United Airlines
Deal found 3/13$939
This United Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3012:40 pm
MSO
-
KEF
1 stop14h 10m
United Airlines
Thu 9/1710:00 am
KEF
-
MSO
2 stops31h 34m
United Airlines
Deal found 3/14$943

Find flight deals from Missoula to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Missoula (MSO) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$806
(Kiwi.com)
Provider with most accurate pricing for Missoula Johnson-Bell Field-Reykjavik Keflavik Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Missoula Johnson-Bell Field-Reykjavik Keflavik Intl flights.
Search Deals
From Missoula Johnson-Bell Field to Reykjavik Keflavik Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missoula to Keflavik Intl 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, Cheapflights users made 2,558,603 searches. Data last updated March 17, 2026.
Use the filters below to find and compare flights from Missoula 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 6/9

7:45 am-9:00 am

1 stop19h 15m

Reykjavik Keflavik Intl

Thu 6/18

12:45 pm-11:59 pm

1 stop17h 14m

$869

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Wed 7/8

11:22 am-9:00 am

1 stop15h 38m

Reykjavik Keflavik Intl

Sat 7/18

12:45 pm-10:52 pm

1 stop16h 07m

$1,037

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Wed 7/8

6:15 am-8:30 am

2 stops20h 15m

Reykjavik Keflavik Intl

Sat 7/18

9:15 am-1:31 pm

2 stops34h 16m

$1,051

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Tue 6/9

3:27 pm-7:00 am

1 stop9h 33m

Reykjavik Keflavik Intl

Thu 6/18

8:45 am-11:47 pm

2 stops21h 02m

$1,168

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Tue 6/9

5:40 am-6:20 am

2 stops18h 40m

Reykjavik Keflavik Intl

Thu 6/18

8:45 am-11:47 pm

2 stops21h 02m

$1,168
Quickest round-trip

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Sun 6/14

3:27 pm-7:40 am

1 stop10h 13m

Reykjavik Keflavik Intl

Mon 6/29

11:25 am-12:24 am

2 stops18h 59m

$1,238

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Sun 6/14

5:45 am-6:20 am

2 stops18h 35m

Reykjavik Keflavik Intl

Mon 6/29

11:25 am-12:24 am

2 stops18h 59m

$1,238

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Sat 4/4

1:20 pm-4:30 pm

2 stops21h 10m

Reykjavik Keflavik Intl

Sun 4/12

5:15 pm-12:38 pm

2 stops49h 23m

$1,526

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Mon 4/20

4:23 pm-10:00 am

2 stops35h 37m

Reykjavik Keflavik Intl

Fri 4/24

10:30 am-11:50 pm

2 stops19h 20m

$2,191

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/14

Sorted by cheapest first

Compare providers for flights from Missoula to Keflavik Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Missoula to Keflavik Intl in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Missoula-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Missoula-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Missoula-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Missoula-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Missoula-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Missoula to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Missoula with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Missoula to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Missoula to Reykjavik Keflavik Intl?

    Missoula Johnson-Bell Field (MSO) is the airport you will fly out of if you book a flight from Missoula to Reykjavik Keflavik Intl. You should not have trouble finding flights to Reykjavik Keflavik Intl from Johnson-Bell Field; the airport handles an average of 0 outbound flights to Reykjavik Keflavik Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Missoula airport to Reykjavik Keflavik Intl. It is only a 5.5 mi journey to Johnson-Bell Field (MSO) from Missoula’s city center.

  • How long is the flight from Missoula to Reykjavik Keflavik Intl Airport?

    Departing from Missoula to Reykjavik Keflavik Intl Airport will take you 19h 15m. Airlines will cover a distance of 3422 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Missoula to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Missoula to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missoula to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missoula to Keflavik Intl.

  • Can I find deals for business class flights from Missoula to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Missoula to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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