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Keflavik Intl

$635+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — KEF
Jul 19 — Jul 261
Sat 7/19
Sat 7/26
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 July 14, 2025.

Round-trip from

$635
(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 July 14, 2025.

This United Airlines deal was found by Cheapflights users on 7/13. 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 8/226:30 amMSO - KEF
2 stops19h 50mUnited Airlines
Tue 8/269:50 amKEF - MSO
2 stops36h 19mUnited Airlines
Deal found 7/13$635
This Delta deal was found by Cheapflights users on 7/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/225:49 amMSO - KEF
1 stop19h 11mDelta
Tue 8/2611:25 amKEF - MSO
2 stops17h 45mDelta
Deal found 7/13$930

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 July 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 8/22

6:30 am-8:20 am

2 stops19h 50m

Reykjavik Keflavik Intl

Tue 8/26

9:50 am-4:09 pm

2 stops36h 19m

$635

MissoulaReykjavik

MSO - KEF

MSOKEF

Missoula Johnson-Bell Field

Fri 8/22

5:49 am-7:00 am

1 stop19h 11m

Reykjavik Keflavik Intl

Tue 8/26

11:25 am-11:10 pm

2 stops17h 45m

$930

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/13

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.

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated July 14, 2025.
Get a feel of what it's like to fly with Delta and United Airlines from Missoula to Reykjavik Keflavik Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,956 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,956 reviews
Delta
8.0
Very good
7,956 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,858 reviews
Delta
8.0
Very good
7,956 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 $652). 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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