$922+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — KEF
Oct 12 — Oct 191
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Missoula to Keflavik Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Missoula to Keflavik Intl
Cheapest
Best
Last-minute
Cheapest flights from Missoula to Keflavik IntlExplore 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 12, 2026.
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 12, 2026.
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:05 pm -
2 stops22h 10m
Wed 11/410:00 am -
2 stops41h 15m
Deal found 9/12![Multiple Airlines logo]()
$922
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:49 pm -
1 stop32h 26m
Wed 11/45:00 pm -
1 stop11h 18m
Deal found 9/12![Icelandair logo]()
$926
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/1512:25 pm -
1 stop14h 25m
Tue 9/2210:00 am -
2 stops36h 20m
Deal found 9/8![United Airlines logo]()
$980
This KAYAK deal was found by Cheapflights users on 9/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:15 pm -
2 stops25h 55m
Thu 10/1512:00 pm -
2 stops15h 32m
Deal found 9/10![Multiple Airlines logo]()
$1,023
This oojo deal was found by Cheapflights users on 9/7. 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 9/307:00 am -
1 stop20h 25m
Thu 10/157:45 pm -
1 stop32h 19m
Deal found 9/7![Icelandair logo]()
$1,029
This KLM deal was found by Cheapflights users on 9/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:35 pm -
1 stop9h 25m
Sun 10/49:30 am -
1 stop11h 12m
Deal found 9/7![KLM logo]()
$1,041
This Delta deal was found by Cheapflights users on 9/8. 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.
Tue 9/153:35 pm -
1 stop9h 25m
Tue 9/229:30 am -
1 stop11h 12m
Deal found 9/8![Delta logo]()
$1,042
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.
Wed 9/165:30 am -
2 stops22h 00m
Sun 10/49:30 am -
1 stop11h 12m
Deal found 9/11![Delta logo]()
$1,046
Best flights from Missoula to Keflavik IntlDiscover 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 September 12, 2026.
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 September 12, 2026.
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:05 pm -
2 stops22h 10m
Wed 11/410:00 am -
2 stops41h 15m
Deal found 9/12![Multiple Airlines logo]()
$922
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:49 pm -
1 stop32h 26m
Wed 11/45:00 pm -
1 stop11h 18m
Deal found 9/12![Icelandair logo]()
$926
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:15 pm -
2 stops25h 55m
Thu 10/1512:00 pm -
1 stop29h 32m
Deal found 9/9![Lufthansa logo]()
$1,042
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/304:15 pm -
2 stops33h 40m
Thu 10/1512:00 pm -
2 stops27h 57m
Deal found 9/8![United Airlines logo]()
$1,049
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:15 pm -
2 stops25h 55m
Thu 10/1512:00 pm -
2 stops15h 32m
Deal found 9/11![Multiple Airlines logo]()
$1,023
This oojo deal was found by Cheapflights users on 9/7. 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 9/307:00 am -
1 stop20h 25m
Thu 10/157:45 pm -
1 stop32h 19m
Deal found 9/7![Icelandair logo]()
$1,029
Last-minute flights from Missoula to Keflavik IntlDiscover last-minute flight deals from Missoula to Keflavik Intl. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Missoula to Keflavik Intl. Data last updated September 12, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/1512:25 pm -
1 stop14h 25m
Tue 9/2210:00 am -
2 stops36h 20m
Deal found 9/8![United Airlines logo]()
$980
This Delta deal was found by Cheapflights users on 9/8. 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.
Tue 9/153:35 pm -
1 stop9h 25m
Tue 9/229:30 am -
1 stop11h 12m
Deal found 9/8![Delta logo]()
$1,042
This KLM deal was found by Cheapflights users on 9/7. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:35 pm -
1 stop9h 25m
Sun 10/49:30 am -
1 stop11h 12m
Deal found 9/7![KLM logo]()
$1,041
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.
Wed 9/165:30 am -
2 stops22h 00m
Sun 10/49:30 am -
1 stop11h 12m
Deal found 9/11![Delta logo]()
$1,046
This KAYAK deal was found by Cheapflights users on 9/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:15 pm -
2 stops25h 55m
Thu 10/1512:00 pm -
2 stops15h 32m
Deal found 9/10![Multiple Airlines logo]()
$1,023
This oojo deal was found by Cheapflights users on 9/7. 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 9/307:00 am -
1 stop20h 25m
Thu 10/157:45 pm -
1 stop32h 19m
Deal found 9/7![Icelandair logo]()
$1,029
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:05 pm -
2 stops22h 10m
Wed 11/410:00 am -
2 stops41h 15m
Deal found 9/12![Multiple Airlines logo]()
$922
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:49 pm -
1 stop32h 26m
Wed 11/45:00 pm -
1 stop11h 18m
Deal found 9/12![Icelandair logo]()
$926
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 September 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $922 (Finnair) |
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 7,457,451 searches. Data last updated September 12, 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
Cheapest round-trip
MissoulaReykjavik
MSO Missoula Johnson-Bell Field - KEF Reykjavik Keflavik Intl
MSOKEF
Missoula Johnson-Bell Field
Wed 10/28
1:05 pm-5:15 pm
2 stops22h 10m
Reykjavik Keflavik Intl
Wed 11/4
10:00 am-8:15 pm
2 stops41h 15m
$922
MissoulaReykjavik
MSO Missoula Johnson-Bell Field - KEF Reykjavik Keflavik Intl
MSOKEF
Missoula Johnson-Bell Field
Wed 10/28
3:49 pm-6:15 am
1 stop32h 26m
Reykjavik Keflavik Intl
Wed 11/4
5:00 pm-9:18 pm
1 stop11h 18m
$926
Quickest round-trip
MissoulaReykjavik
MSO Missoula Johnson-Bell Field - KEF Reykjavik Keflavik Intl
MSOKEF
Missoula Johnson-Bell Field
Wed 9/30
4:15 pm-12:10 am
2 stops25h 55m
Reykjavik Keflavik Intl
Thu 10/15
12:00 pm-9:32 pm
2 stops15h 32m
$1,023
MissoulaReykjavik
MSO Missoula Johnson-Bell Field - KEF Reykjavik Keflavik Intl
MSOKEF
Missoula Johnson-Bell Field
Wed 9/30
7:00 am-9:25 am
1 stop20h 25m
Reykjavik Keflavik Intl
Thu 10/15
7:45 pm-10:04 pm
1 stop32h 19m
$1,029
MissoulaReykjavik
MSO Missoula Johnson-Bell Field - KEF Reykjavik Keflavik Intl
MSOKEF
Missoula Johnson-Bell Field
Wed 9/30
4:15 pm-12:10 am
2 stops25h 55m
Reykjavik Keflavik Intl
Thu 10/15
12:00 pm-11:32 am
1 stop29h 32m
$1,042
MissoulaReykjavik
MSO Missoula Johnson-Bell Field - KEF Reykjavik Keflavik Intl
MSOKEF
Missoula Johnson-Bell Field
Wed 9/30
4:15 pm-7:55 am
2 stops33h 40m
Reykjavik Keflavik Intl
Thu 10/15
12:00 pm-9:57 am
2 stops27h 57m
$1,049
Sorted by cheapest first
- 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.
MSO-KEF
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.
Traveling to a place near Reykjavik Keflavik Intl Airport?
Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locationsKeflavik
Hveragerdi
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Complete your trip
Flights by cabin class
Keflavik Intl flight routes
Other flight options
Other flights from Missoula
Popular flights