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Keflavik Intl

$560+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — KEF
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This Delta deal was found by Cheapflights users on 1/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:20 am
MSO
-
KEF
2 stops22h 10m
Delta
Tue 5/1211:25 am
KEF
-
MSO
2 stops18h 59m
Delta
Deal found 1/27$560
This United Airlines deal was found by Cheapflights users on 1/28. 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
3 stops41h 26m
United Airlines
Deal found 1/28$819
This United Airlines deal was found by Cheapflights users on 1/28. 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 6/212:31 pm
MSO
-
KEF
1 stop13h 59m
United Airlines
Fri 6/129:15 am
KEF
-
MSO
2 stops42h 11m
United Airlines
Deal found 1/28$978
This Expedia deal was found by Cheapflights users on 1/28. 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.
Tue 6/28:00 am
MSO
-
KEF
1 stop19h 00m
Alaska Airlines
Fri 6/1212:45 pm
KEF
-
MSO
1 stop17h 34m
Alaska Airlines
Deal found 1/28$980
This United Airlines deal was found by Cheapflights users on 1/27. 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 6/212:40 pm
MSO
-
KEF
1 stop13h 50m
United Airlines
Tue 6/910:00 am
KEF
-
MSO
2 stops33h 27m
United Airlines
Deal found 1/27$983
This oojo deal was found by Cheapflights users on 1/27. 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.
Wed 9/304:13 pm
MSO
-
KEF
1 stop11h 12m
Icelandair
Thu 10/157:45 pm
KEF
-
MSO
1 stop25h 38m
Icelandair
Deal found 1/27$1,001
This oojo deal was found by Cheapflights users on 1/27. 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.
Tue 6/21:53 pm
MSO
-
KEF
1 stop18h 07m
Icelandair
Tue 6/910:40 am
KEF
-
MSO
1 stop19h 16m
Icelandair
Deal found 1/27$1,006
This Gurufare deal was found by Cheapflights users on 1/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/13:55 pm
MSO
-
KEF
1 stop11h 30m
Multiple Airlines
Tue 5/124:50 pm
KEF
-
MSO
1 stop25h 33m
Multiple Airlines
Deal found 1/27$1,040

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$560
(Delta)
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 January 29, 2026.
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 5/1

5:20 am-9:30 am

2 stops22h 10m

Reykjavik Keflavik Intl

Tue 5/12

9:30 am-8:07 pm

1 stop16h 37m

$560

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Tue 6/2

8:00 am-9:00 am

1 stop19h 00m

Reykjavik Keflavik Intl

Fri 6/12

12:45 pm-12:19 am

1 stop17h 34m

$980

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Tue 6/2

6:15 am-7:55 am

2 stops19h 40m

Reykjavik Keflavik Intl

Fri 6/12

9:15 am-9:26 pm

2 stops42h 11m

$982

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Tue 6/2

12:40 pm-8:30 am

1 stop13h 50m

Reykjavik Keflavik Intl

Tue 6/9

10:00 am-1:27 pm

2 stops33h 27m

$983

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Tue 6/2

1:53 pm-2:00 pm

1 stop18h 07m

Reykjavik Keflavik Intl

Tue 6/9

10:40 am-11:56 pm

1 stop19h 16m

$1,006

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Fri 5/1

3:55 pm-9:25 am

1 stop11h 30m

Reykjavik Keflavik Intl

Tue 5/12

4:50 pm-12:23 pm

1 stop25h 33m

$1,040

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Sat 2/28

1:39 pm-5:05 pm

2 stops20h 26m

Reykjavik Keflavik Intl

Wed 3/4

11:50 am-11:59 pm

2 stops43h 09m

$2,366

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

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 January.
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. 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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