$537+ Cheap flights from Montana to Keflavik Intl (KEF)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — KEF
Mar 15 — Mar 221
1 adult, Economy
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Cheapest flights from Montana to Keflavik IntlExplore the most affordable flight options available from Montana to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.
Explore the most affordable flight options available from Montana to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.
This Air France deal was found by Cheapflights users on 2/10. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/22:53 pm
BZN
- KEF
2 stops36h 37m
Multiple Airlines
Thu 5/149:30 am
KEF
- BZN
1 stop20h 04m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$655
This Delta deal was found by Cheapflights users on 2/13. 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.
Sat 5/25:59 am
BZN
- KEF
2 stops21h 31m
Delta
Thu 5/149:30 am
KEF
- BZN
2 stops20h 29m
Delta
Deal found 2/13![Delta logo]()
$705
This KLM deal was found by Cheapflights users on 2/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:45 pm
BZN
- KEF
1 stop11h 55m
KLM
Sun 5/179:30 am
KEF
- BZN
1 stop20h 04m
KLM
Deal found 2/10![KLM logo]()
$710
This Delta deal was found by Cheapflights users on 2/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:00 am
BZN
- KEF
2 stops17h 40m
Delta
Sun 5/178:50 am
KEF
- BZN
2 stops20h 44m
Delta
Deal found 2/10![Delta logo]()
$715
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Sun 9/612:30 pm
BIL
- KEF
1 stop14h 00m
United Airlines
Fri 10/169:15 am
KEF
- BIL
2 stops41h 36m
United Airlines
Deal found 2/12![United Airlines logo]()
$776
This Air Canada deal was found by Cheapflights users on 2/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:00 am
BIL
- KEF
2 stops18h 55m
Air Canada
Fri 10/169:15 am
KEF
- BIL
2 stops33h 58m
Air Canada
Deal found 2/12![Air Canada logo]()
$779
This Air Canada deal was found by Cheapflights users on 2/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:00 am
BIL
- KEF
2 stops20h 55m
Air Canada
Thu 10/1510:00 am
KEF
- BIL
2 stops37h 19m
Air Canada
Deal found 2/12![Air Canada logo]()
$784
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Sun 9/65:00 am
BIL
- KEF
2 stops21h 50m
United Airlines
Tue 10/1310:00 am
KEF
- BIL
2 stops33h 13m
United Airlines
Deal found 2/12![United Airlines logo]()
$785
This Air Canada deal was found by Cheapflights users on 2/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:51 pm
BIL
- KEF
2 stops32h 04m
Air Canada
Thu 10/1510:00 am
KEF
- BIL
2 stops40h 51m
Air Canada
Deal found 2/12![Air Canada logo]()
$791
This United Airlines deal was found by Cheapflights users on 2/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:00 am
HLN
- KEF
2 stops19h 30m
United Airlines
Thu 9/1710:00 am
KEF
- HLN
2 stops40h 59m
United Airlines
Deal found 2/11![United Airlines logo]()
$799
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Sun 9/612:30 pm
BIL
- KEF
1 stop14h 00m
United Airlines
Sun 10/119:15 am
KEF
- BIL
2 stops43h 26m
United Airlines
Deal found 2/12![United Airlines logo]()
$814
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:23 am
BZN
- KEF
1 stop16h 02m
Alaska Airlines
Thu 5/144:50 pm
KEF
- BZN
1 stop11h 47m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$816
Best flights from Montana to Keflavik IntlDiscover carefully curated flight deals from Montana to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
Discover carefully curated flight deals from Montana to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
This Air France deal was found by Cheapflights users on 2/10. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/22:53 pm
BZN
- KEF
2 stops36h 37m
Multiple Airlines
Thu 5/149:30 am
KEF
- BZN
1 stop20h 04m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$655
This Delta deal was found by Cheapflights users on 2/13. 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.
Sat 5/25:59 am
BZN
- KEF
2 stops21h 31m
Delta
Thu 5/149:30 am
KEF
- BZN
2 stops20h 29m
Delta
Deal found 2/13![Delta logo]()
$705
This Virgin Atlantic deal was found by Cheapflights users on 2/10. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:59 am
BZN
- KEF
2 stops15h 31m
Virgin Atlantic
Thu 5/149:30 am
KEF
- BZN
2 stops20h 29m
Virgin Atlantic
Deal found 2/10![Virgin Atlantic logo]()
$705
This KLM deal was found by Cheapflights users on 2/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:45 pm
BZN
- KEF
1 stop11h 55m
KLM
Sun 5/179:30 am
KEF
- BZN
1 stop20h 04m
KLM
Deal found 2/10![KLM logo]()
$710
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:23 am
BZN
- KEF
1 stop16h 02m
Alaska Airlines
Thu 5/144:50 pm
KEF
- BZN
1 stop11h 47m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$816
This United Airlines deal was found by Cheapflights users on 2/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/192:30 pm
BIL
- KEF
2 stops36h 00m
United Airlines
Mon 6/112:00 pm
KEF
- BIL
3 stops31h 22m
United Airlines
Deal found 2/10![United Airlines logo]()
$896
This oojo deal was found by Cheapflights users on 2/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/275:06 pm
GTF
- KEF
1 stop10h 19m
Icelandair
Fri 4/37:45 pm
KEF
- GTF
1 stop26h 41m
Icelandair
Deal found 2/9![Icelandair logo]()
$1,110
This British Airways deal was found by Cheapflights users on 2/9. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:43 pm
FCA
- KEF
2 stops37h 57m
British Airways
Sun 4/2610:20 am
KEF
- FCA
2 stops19h 31m
British Airways
Deal found 2/9![British Airways logo]()
$1,232
This Delta deal was found by Cheapflights users on 2/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:00 am
BZN
- KEF
2 stops17h 40m
Delta
Sun 5/178:50 am
KEF
- BZN
2 stops20h 44m
Delta
Deal found 2/10![Delta logo]()
$715
This KLM deal was found by Cheapflights users on 2/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:45 pm
BZN
- KEF
1 stop11h 55m
Multiple Airlines
Sun 5/178:50 am
KEF
- BZN
2 stops20h 19m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$715
This Expedia deal was found by Cheapflights users on 2/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:55 pm
MSO
- KEF
1 stop31h 05m
Alaska Airlines
Sat 6/612:45 pm
KEF
- MSO
1 stop17h 11m
Alaska Airlines
Deal found 2/13![Alaska Airlines logo]()
$852
This Virgin Atlantic deal was found by Cheapflights users on 2/12. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/183:30 pm
MSO
- KEF
1 stop10h 10m
Virgin Atlantic
Mon 5/258:50 am
KEF
- MSO
2 stops20h 47m
Virgin Atlantic
Deal found 2/12![Virgin Atlantic logo]()
$860
This KAYAK deal was found by Cheapflights users on 2/10. 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.
Tue 7/283:27 pm
MSO
- KEF
1 stop10h 13m
Multiple Airlines
Wed 8/59:30 am
KEF
- MSO
1 stop20h 17m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$843
This Delta deal was found by Cheapflights users on 2/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/183:30 pm
MSO
- KEF
1 stop10h 10m
Delta
Mon 5/259:30 am
KEF
- MSO
1 stop11h 10m
Delta
Deal found 2/12![Delta logo]()
$856
This Expedia deal was found by Cheapflights users on 2/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:55 pm
MSO
- KEF
1 stop31h 05m
Alaska Airlines
Sat 6/612:45 pm
KEF
- MSO
1 stop31h 58m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$859
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/298:26 pm
FCA
- KEF
1 stop27h 49m
Multiple Airlines
Sun 4/57:45 pm
KEF
- FCA
1 stop22h 27m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$903
This Air France deal was found by Cheapflights users on 2/10. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/183:30 pm
MSO
- KEF
2 stops36h 00m
Multiple Airlines
Mon 5/259:30 am
KEF
- MSO
1 stop11h 10m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$917
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/298:26 pm
FCA
- KEF
2 stops27h 39m
Alaska Airlines
Sun 4/54:50 pm
KEF
- FCA
1 stop12h 57m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$1,190
This KLM deal was found by Cheapflights users on 2/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:25 am
BIL
- KEF
1 stop19h 15m
Multiple Airlines
Mon 6/19:30 am
KEF
- BIL
1 stop19h 33m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,027
This American Airlines deal was found by Cheapflights users on 2/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/275:06 pm
GTF
- KEF
2 stops34h 24m
Multiple Airlines
Fri 4/310:30 am
KEF
- GTF
2 stops35h 56m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$1,609
This Finnair deal was found by Cheapflights users on 2/11. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/81:25 pm
FCA
- KEF
2 stops36h 25m
Multiple Airlines
Thu 8/135:15 pm
KEF
- FCA
2 stops52h 59m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$1,740
Last-minute flights from Montana to Keflavik IntlDiscover last-minute flight deals from Montana to Keflavik Intl. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from Montana to Keflavik Intl. Data last updated February 13, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/143:02 pm
BZN
- KEF
2 stops32h 43m
Multiple Airlines
Wed 2/185:00 pm
KEF
- BZN
1 stop13h 56m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$1,889
This oojo deal was found by Cheapflights users on 2/11. 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.
Sat 2/1411:44 am
BZN
- KEF
1 stop11h 21m
Icelandair
Wed 2/185:00 pm
KEF
- BZN
1 stop24h 34m
Icelandair
Deal found 2/11![Icelandair logo]()
$1,940
This British Airways deal was found by Cheapflights users on 2/9. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/283:02 pm
BZN
- KEF
2 stops36h 53m
British Airways
Wed 3/411:50 am
KEF
- BZN
2 stops43h 06m
British Airways
Deal found 2/9![British Airways logo]()
$2,201
This British Airways deal was found by Cheapflights users on 2/9. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/281:39 pm
MSO
- KEF
2 stops38h 16m
British Airways
Wed 3/411:50 am
KEF
- MSO
2 stops43h 09m
British Airways
Deal found 2/9![British Airways logo]()
$3,764
This oojo deal was found by Cheapflights users on 2/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/275:06 pm
GTF
- KEF
1 stop10h 19m
Icelandair
Fri 4/37:45 pm
KEF
- GTF
1 stop26h 41m
Icelandair
Deal found 2/9![Icelandair logo]()
$1,110
This American Airlines deal was found by Cheapflights users on 2/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/275:06 pm
GTF
- KEF
2 stops34h 24m
Multiple Airlines
Fri 4/310:30 am
KEF
- GTF
2 stops35h 56m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$1,609
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/298:26 pm
FCA
- KEF
1 stop27h 49m
Multiple Airlines
Sun 4/57:45 pm
KEF
- FCA
1 stop22h 27m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$903
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/298:26 pm
FCA
- KEF
2 stops27h 39m
Alaska Airlines
Sun 4/54:50 pm
KEF
- FCA
1 stop12h 57m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$1,190
One-way flights from Montana to Keflavik IntlSearch for one-way flight options from Montana to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
Search for one-way flight options from Montana to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 5/197:59 pm
BZN
- KEF
3 stops29h 41m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$537
This United Airlines deal was found by Cheapflights users on 2/12. 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 5/1912:35 pm
BZN
- KEF
1 stop13h 55m
United Airlines
Deal found 2/12![United Airlines logo]()
$575
Find flight deals from Montana to Keflavik Intl
Keep the following information in mind while searching for Montana to Keflavik Intl flight deals. Data was last updated February 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $655 (Air France) |
One-way from | $537 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Montana 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 February 13, 2026.
Use the filters below to find and compare flights from Montana to Reykjavik Keflavik Intl Airport that are best for you.
Fly from
Montana
Fly to
Keflavik Intl
Route
Depart
Return
Price
BozemanReykjavik
BZN - KEF
BZNKEF
Bozeman Gallatin Field
Sat 5/2
2:53 pm-9:30 am
2 stops36h 37m
Reykjavik Keflavik Intl
Thu 5/14
9:30 am-11:34 pm
1 stop20h 04m
$655
BozemanReykjavik
BZN - KEF
BZNKEF
Bozeman Gallatin Field
Sat 5/2
5:59 am-9:30 am
2 stops21h 31m
Reykjavik Keflavik Intl
Thu 5/14
9:30 am-11:59 pm
2 stops20h 29m
$705
BozemanReykjavik
BZN - KEF
BZNKEF
Bozeman Gallatin Field
Sat 5/2
11:59 am-9:30 am
2 stops15h 31m
Reykjavik Keflavik Intl
Thu 5/14
9:30 am-11:59 pm
2 stops20h 29m
$705
BozemanReykjavik
BZN - KEF
BZNKEF
Bozeman Gallatin Field
Wed 5/13
1:45 pm-7:40 am
1 stop11h 55m
Reykjavik Keflavik Intl
Sun 5/17
9:30 am-11:34 pm
1 stop20h 04m
$710
BozemanReykjavik
BZN - KEF
BZNKEF
Bozeman Gallatin Field
Wed 5/13
8:00 am-7:40 am
2 stops17h 40m
Reykjavik Keflavik Intl
Sun 5/17
8:50 am-11:34 pm
2 stops20h 44m
$715
BozemanReykjavik
BZN - KEF
BZNKEF
Bozeman Gallatin Field
Wed 5/13
1:45 pm-7:40 am
1 stop11h 55m
Reykjavik Keflavik Intl
Sun 5/17
8:50 am-11:09 pm
2 stops20h 19m
$715
BozemanReykjavik
BZN - KEF
BZNKEF
Bozeman Gallatin Field
Sat 5/2
11:23 am-9:25 am
1 stop16h 02m
Reykjavik Keflavik Intl
Thu 5/14
4:50 pm-10:37 pm
1 stop11h 47m
$816
MissoulaReykjavik
MSO - KEF
MSOKEF
Missoula Johnson-Bell Field
Tue 7/28
3:27 pm-7:40 am
1 stop10h 13m
Reykjavik Keflavik Intl
Wed 8/5
9:30 am-11:47 pm
1 stop20h 17m
$843
MissoulaReykjavik
MSO - KEF
MSOKEF
Missoula Johnson-Bell Field
Thu 5/28
7:55 pm-9:00 am
1 stop31h 05m
Reykjavik Keflavik Intl
Sat 6/6
12:45 pm-11:56 pm
1 stop17h 11m
$852
MissoulaReykjavik
MSO - KEF
MSOKEF
Missoula Johnson-Bell Field
Mon 5/18
3:30 pm-7:40 am
1 stop10h 10m
Reykjavik Keflavik Intl
Mon 5/25
9:30 am-2:40 pm
1 stop11h 10m
$856
Showing 1-10 of 23 results
Best time to book a flight from Montana to Keflavik Intl
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BZN-KEF
BIL-KEF
HLN-KEF
GTF-KEF
FCA-KEF
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Everything you need to know about your flight from Montana to Reykjavik Keflavik Intl Airport
USMT-KEF
BZN-KEF
BIL-KEF
HLN-KEF
GTF-KEF
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Hveragerdi
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Top airline flying from Montana to Keflavik Intl
Discover the top airline that operate flights from Montana to Keflavik Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$949 | Average$1,206 | FlexibilityNo cancel fee | On-time75% |