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Keflavik Intl

$952+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — KEF
Jan 13 — Jan 201
Tue 1/13
Tue 1/20
1 adult, Economy
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Cheap flight deals from Missoula to Keflavik Intl

Best flights from Missoula to Keflavik Intl
Discover carefully curated flight deals from Missoula to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 14, 2025.

This SmartFares deal was found by Cheapflights users on 12/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:59 pmMSO - KEF
1 stop13h 51mAlaska Airlines
Fri 6/1212:45 pmKEF - MSO
1 stop17h 34mAlaska Airlines
Deal found 12/13$952
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Fri 6/56:15 amMSO - KEF
3 stops20h 15mUnited Airlines
Fri 6/1212:00 pmKEF - MSO
2 stops15h 26mUnited Airlines
Deal found 12/13$999
This oojo deal was found by Cheapflights users on 12/11. 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 1/196:23 amMSO - KEF
1 stop16h 52mIcelandair
Fri 1/305:00 pmKEF - MSO
1 stop13h 55mIcelandair
Deal found 12/11$1,095
This Alaska Airlines deal was found by Cheapflights users on 12/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/196:23 amMSO - KEF
1 stop16h 52mAlaska Airlines
Fri 1/305:00 pmKEF - MSO
1 stop26h 23mAlaska Airlines
Deal found 12/13$1,056

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 December 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$952
(SmartFares)
Provider with most accurate pricing for Missoula Johnson-Bell Field-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for Missoula Johnson-Bell Field-Reykjavik Keflavik Intl flights.
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From Missoula Johnson-Bell Field to Reykjavik Keflavik Intl
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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 December 14, 2025.
Use the filters below to find and compare flights from Missoula to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Missoula

Fly to

Keflavik Intl

Route

Depart

Return

Price

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Fri 6/5

1:59 pm-9:50 am

1 stop13h 51m

Reykjavik Keflavik Intl

Fri 6/12

12:45 pm-12:19 am

1 stop17h 34m

$952

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Fri 6/5

6:15 am-8:30 am

3 stops20h 15m

Reykjavik Keflavik Intl

Fri 6/12

12:00 pm-9:26 pm

2 stops15h 26m

$999

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Mon 1/19

6:23 am-6:15 am

1 stop16h 52m

Reykjavik Keflavik Intl

Fri 1/30

5:00 pm-12:23 pm

1 stop26h 23m

$1,056

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Mon 1/19

6:23 am-6:15 am

1 stop16h 52m

Reykjavik Keflavik Intl

Fri 1/30

5:00 pm-11:55 pm

1 stop13h 55m

$1,095

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 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 AranGrant the most. AranGrant 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 13h 51m. 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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