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Keflavik Intl

$983+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — KEF
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap 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 September 14, 2025.

Round-trip from

$983
(United Airlines)
From Missoula Johnson-Bell Field to Reykjavik Keflavik Intl
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Find 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 September 14, 2025.

This United Airlines deal was found by Cheapflights users on 9/13. 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 10/36:25 amMSO - KEF
2 stops19h 50mUnited Airlines
Tue 10/79:50 amKEF - MSO
2 stops32h 00mUnited Airlines
Deal found 9/13$983
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:20 pmMSO - KEF
2 stops54h 00mDelta
Tue 10/78:45 amKEF - MSO
2 stops18h 55mDelta
Deal found 9/11$1,283
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:14 pmMSO - KEF
1 stop11h 11mMultiple Airlines
Sat 10/49:35 amKEF - MSO
2 stops32h 43mMultiple Airlines
Deal found 9/12$1,290
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/56:37 amMSO - KEF
1 stop20h 48mAlaska Airlines
Sun 10/127:45 pmKEF - MSO
1 stop25h 38mAlaska Airlines
Deal found 9/12$1,459
This United Airlines deal was found by Cheapflights users on 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1612:30 pmMSO - KEF
2 stops13h 40mUnited Airlines
Thu 9/189:50 amKEF - MSO
2 stops41h 32mUnited Airlines
Deal found 9/12$1,518
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:45 amMSO - KEF
1 stop18h 10mAlaska Airlines
Sat 10/47:45 pmKEF - MSO
1 stop22h 33mAlaska Airlines
Deal found 9/12$1,571
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/112:50 pmMSO - KEF
2 stops38h 50mAmerican Airlines
Sat 10/410:00 amKEF - MSO
2 stops19h 18mAmerican Airlines
Deal found 9/12$1,982
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/164:14 pmMSO - KEF
1 stop11h 11mMultiple Airlines
Wed 9/1712:25 amKEF - MSO
2 stops23h 35mMultiple Airlines
Deal found 9/12$2,928

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 September 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 10/3

6:25 am-8:15 am

2 stops19h 50m

Reykjavik Keflavik Intl

Tue 10/7

9:50 am-11:50 am

2 stops32h 00m

$983

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Wed 2/25

6:35 am-6:15 am

1 stop16h 40m

Reykjavik Keflavik Intl

Sat 2/28

5:00 pm-11:57 pm

1 stop13h 57m

$1,091

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Wed 2/25

5:45 am-6:15 am

2 stops17h 30m

Reykjavik Keflavik Intl

Sat 2/28

5:00 pm-11:57 pm

1 stop13h 57m

$1,146

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Wed 10/1

4:14 pm-9:25 am

1 stop11h 11m

Reykjavik Keflavik Intl

Sat 10/4

9:35 am-12:18 pm

2 stops32h 43m

$1,290

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Sun 10/5

6:37 am-9:25 am

1 stop20h 48m

Reykjavik Keflavik Intl

Sun 10/12

7:45 pm-3:23 pm

1 stop25h 38m

$1,459

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Wed 10/1

5:45 am-5:55 am

1 stop18h 10m

Reykjavik Keflavik Intl

Sat 10/4

7:45 pm-12:18 pm

1 stop22h 33m

$1,571

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Wed 10/1

12:50 pm-9:40 am

2 stops38h 50m

Reykjavik Keflavik Intl

Sat 10/4

10:00 am-11:18 pm

2 stops19h 18m

$1,982

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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 17h 30m. 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.

  • What is the cheapest month to book a flight from Missoula to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Missoula to Reykjavik Keflavik Intl Airport (average of $328). Flying from Missoula to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $655). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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