$468+ Cheap flights from Missouri 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.
STL — KEF
Mar 5 — Mar 121
1 adult, Economy
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Cheapest flights from Missouri to Keflavik IntlExplore the most affordable flight options available from Missouri to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
Explore the most affordable flight options available from Missouri to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
This Air Canada deal was found by Cheapflights users on 2/1. 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.
Wed 8/1212:10 pm
STL
- KEF
1 stop14h 45m
Air Canada
Wed 8/2610:00 am
KEF
- STL
2 stops35h 26m
Air Canada
Deal found 2/1![Air Canada logo]()
$689
This KLM deal was found by Cheapflights users on 2/2. 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 4/19:35 am
MCI
- KEF
1 stop18h 55m
KLM
Wed 4/811:25 am
KEF
- MCI
1 stop12h 54m
KLM
Deal found 2/2![KLM logo]()
$691
This United Airlines deal was found by Cheapflights users on 2/1. 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 8/125:00 am
STL
- KEF
2 stops21h 55m
United Airlines
Wed 8/2610:00 am
KEF
- STL
2 stops31h 20m
United Airlines
Deal found 2/1![United Airlines logo]()
$694
This Delta deal was found by Cheapflights users on 2/2. 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 4/19:35 am
MCI
- KEF
1 stop18h 55m
Delta
Wed 4/811:25 am
KEF
- MCI
2 stops16h 38m
Delta
Deal found 2/2![Delta logo]()
$696
This Orbitz deal was found by Cheapflights users on 2/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:00 am
MCI
- KEF
2 stops18h 55m
Air Canada
Wed 9/99:15 am
KEF
- MCI
2 stops43h 22m
Air Canada
Deal found 2/2![Air Canada logo]()
$719
This KLM deal was found by Cheapflights users on 2/1. 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 9/15:00 pm
STL
- KEF
1 stop11h 30m
KLM
Tue 9/88:50 am
KEF
- STL
1 stop16h 41m
KLM
Deal found 2/1![KLM logo]()
$735
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Mon 8/176:37 pm
MCI
- KEF
1 stop8h 53m
United Airlines
Mon 8/249:15 am
KEF
- MCI
2 stops35h 48m
United Airlines
Deal found 2/1![United Airlines logo]()
$735
This KLM deal was found by Cheapflights users on 2/1. 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 9/13:42 pm
STL
- KEF
2 stops12h 48m
Multiple Airlines
Tue 9/88:50 am
KEF
- STL
2 stops14h 12m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$740
This Gotogate deal was found by Cheapflights users on 2/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/92:40 pm
STL
- KEF
1 stop13h 05m
Multiple Airlines
Mon 10/1912:20 am
KEF
- STL
1 stop18h 05m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$745
This United Airlines deal was found by Cheapflights users on 2/2. 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 9/2212:10 pm
STL
- KEF
1 stop14h 45m
United Airlines
Tue 9/2910:00 am
KEF
- STL
2 stops41h 06m
United Airlines
Deal found 2/2![United Airlines logo]()
$749
This Air Canada deal was found by Cheapflights users on 2/2. 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.
Wed 9/211:30 am
MCI
- KEF
3 stops15h 25m
Multiple Airlines
Wed 9/99:15 am
KEF
- MCI
2 stops17h 14m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$750
This KLM deal was found by Cheapflights users on 2/1. 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.
Mon 8/175:40 pm
MCI
- KEF
1 stop9h 00m
KLM
Mon 8/249:30 am
KEF
- MCI
1 stop12h 12m
KLM
Deal found 2/1![KLM logo]()
$755
Best flights from Missouri to Keflavik IntlDiscover carefully curated flight deals from Missouri to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from Missouri to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This KLM deal was found by Cheapflights users on 2/1. 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 4/19:35 am
MCI
- KEF
1 stop18h 55m
KLM
Wed 4/811:25 am
KEF
- MCI
1 stop12h 54m
KLM
Deal found 2/1![KLM logo]()
$691
This Delta deal was found by Cheapflights users on 1/31. 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 4/19:35 am
MCI
- KEF
1 stop18h 55m
Delta
Wed 4/811:25 am
KEF
- MCI
1 stop12h 54m
Delta
Deal found 1/31![Delta logo]()
$691
This KLM deal was found by Cheapflights users on 2/1. 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 4/12:16 pm
MCI
- KEF
2 stops14h 14m
Multiple Airlines
Wed 4/811:25 am
KEF
- MCI
1 stop12h 54m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$696
This BusinessClass deal was found by Cheapflights users on 2/1. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/33:30 pm
STL
- KEF
1 stop16h 25m
Lufthansa
Sat 4/112:20 pm
KEF
- STL
1 stop28h 05m
Lufthansa
Deal found 2/1![Lufthansa logo]()
$877
This FlightHub deal was found by Cheapflights users on 2/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:13 pm
STL
- KEF
2 stops13h 42m
Air Canada
Fri 7/109:15 am
KEF
- STL
1 stop14h 12m
Air Canada
Deal found 2/2![Air Canada logo]()
$912
This United Airlines deal was found by Cheapflights users on 2/2. 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 5/275:29 pm
STL
- KEF
1 stop10h 01m
United Airlines
Fri 6/59:15 am
KEF
- STL
1 stop15h 50m
United Airlines
Deal found 2/2![United Airlines logo]()
$913
This KLM deal was found by Cheapflights users on 2/2. 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 5/1910:31 am
MCI
- KEF
1 stop14h 49m
KLM
Tue 5/269:30 am
KEF
- MCI
1 stop12h 12m
KLM
Deal found 2/2![KLM logo]()
$765
This KLM deal was found by Cheapflights users on 2/2. 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 5/193:06 pm
MCI
- KEF
2 stops13h 24m
Multiple Airlines
Tue 5/2611:25 am
KEF
- MCI
2 stops14h 22m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$770
This KLM deal was found by Cheapflights users on 2/1. 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.
Sat 4/119:35 am
MCI
- KEF
1 stop18h 55m
KLM
Sat 4/1811:25 am
KEF
- MCI
1 stop12h 54m
KLM
Deal found 2/1![KLM logo]()
$791
This Air Canada deal was found by Cheapflights users on 2/1. 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.
Fri 7/109:23 am
STL
- KEF
2 stops17h 32m
Air Canada
Sun 7/1910:00 am
KEF
- STL
2 stops34h 46m
Air Canada
Deal found 2/1![Air Canada logo]()
$950
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Thu 7/99:23 am
STL
- KEF
2 stops17h 32m
United Airlines
Sat 7/1810:00 am
KEF
- STL
2 stops34h 46m
United Airlines
Deal found 2/2![United Airlines logo]()
$950
This KLM deal was found by Cheapflights users on 1/31. 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.
Fri 6/266:00 am
SGF
- KEF
2 stops20h 40m
Multiple Airlines
Thu 7/28:50 am
KEF
- SGF
2 stops18h 45m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$1,220
This United Airlines deal was found by Cheapflights users on 1/31. 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 6/266:00 am
SGF
- KEF
2 stops20h 55m
United Airlines
Thu 7/212:00 pm
KEF
- SGF
1 stop17h 45m
United Airlines
Deal found 1/31![United Airlines logo]()
$1,269
This Priceline deal was found by Cheapflights users on 2/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/43:15 pm
SGF
- KEF
2 stops41h 05m
Multiple Airlines
Wed 3/1110:00 am
KEF
- SGF
2 stops41h 29m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,704
Last-minute flights from Missouri to Keflavik IntlDiscover last-minute flight deals from Missouri to Keflavik Intl. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Keflavik Intl. Data last updated February 3, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 2/1. 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.
Sun 2/226:55 pm
STL
- KEF
2 stops37h 25m
Lufthansa
Sun 3/13:20 pm
KEF
- STL
2 stops32h 24m
Lufthansa
Deal found 2/1![Lufthansa logo]()
$1,126
This KAYAK deal was found by Cheapflights users on 2/2. 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.
Mon 2/239:59 am
MCI
- KEF
2 stops18h 46m
Scandinavian Airlines
Fri 2/277:35 am
KEF
- MCI
2 stops22h 05m
Scandinavian Airlines
Deal found 2/2![Scandinavian Airlines logo]()
$1,072
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Mon 2/238:22 pm
STL
- KEF
2 stops51h 43m
Multiple Airlines
Sat 2/285:15 pm
KEF
- STL
1 stop12h 44m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,150
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Mon 3/211:26 am
MCI
- KEF
2 stops36h 39m
Multiple Airlines
Mon 3/95:15 pm
KEF
- MCI
1 stop27h 14m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,108
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 3/25:16 pm
MCI
- KEF
2 stops30h 59m
Alaska Airlines
Mon 3/95:00 pm
KEF
- MCI
2 stops28h 22m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$1,117
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 3/32:49 pm
MCI
- KEF
1 stop33h 26m
Multiple Airlines
Tue 3/105:00 pm
KEF
- MCI
1 stop25h 55m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,123
This Gotogate deal was found by Cheapflights users on 2/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/43:50 pm
STL
- KEF
2 stops27h 00m
Lufthansa
Wed 3/112:05 pm
KEF
- STL
2 stops53h 50m
Lufthansa
Deal found 2/2![Lufthansa logo]()
$770
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/44:24 pm
MCI
- KEF
2 stops43h 56m
Multiple Airlines
Wed 3/114:55 pm
KEF
- MCI
1 stop32h 00m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,089
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/43:50 pm
STL
- KEF
2 stops21h 05m
Multiple Airlines
Wed 3/115:15 pm
KEF
- STL
1 stop19h 02m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,167
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Thu 3/198:02 am
STL
- KEF
1 stop17h 13m
Multiple Airlines
Thu 3/265:00 pm
KEF
- STL
2 stops19h 02m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,169
This Expedia deal was found by Cheapflights users on 2/1. 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.
Sat 3/287:00 pm
STL
- KEF
2 stops47h 25m
Multiple Airlines
Thu 4/28:35 am
KEF
- STL
2 stops20h 09m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,180
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 3/316:15 am
MCI
- KEF
1 stop19h 00m
Multiple Airlines
Sat 4/47:45 pm
KEF
- MCI
1 stop22h 44m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$990
One-way flights from Missouri to Keflavik IntlSearch for one-way flight options from Missouri to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from Missouri to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 5/197:24 am
MCI
- KEF
3 stops43h 41m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 2/2. 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 5/192:04 pm
MCI
- KEF
1 stop11h 16m
Delta
Deal found 2/2![Delta logo]()
$520
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 5/244:20 pm
MCI
- KEF
3 stops58h 20m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$523
This KAYAK deal was found by Cheapflights users on 2/3. 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.
Sun 5/246:19 am
MCI
- KEF
2 stops20h 56m
WestJet
Deal found 2/3![WestJet logo]()
$632
Find flight deals from Missouri to Keflavik Intl
Keep the following information in mind while searching for Missouri to Keflavik Intl flight deals. Data was last updated February 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $611 (KLM) |
One-way from | $468 (Kiwi.com) |
Popular in | March |
Cheapest in | February |
Average price | $699 |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri 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 3, 2026.
Use the filters below to find and compare flights from Missouri to Reykjavik Keflavik Intl Airport that are best for you.
Fly from
Missouri
Fly to
Keflavik Intl
Route
Depart
Return
Price
Kansas CityReykjavik
MCI - KEF
MCIKEF
Kansas City
Wed 4/1
9:35 am-9:30 am
1 stop18h 55m
Reykjavik Keflavik Intl
Wed 4/8
11:25 am-7:19 pm
1 stop12h 54m
$691
Kansas CityReykjavik
MCI - KEF
MCIKEF
Kansas City
Wed 4/1
9:35 am-9:30 am
1 stop18h 55m
Reykjavik Keflavik Intl
Wed 4/8
11:25 am-7:19 pm
1 stop12h 54m
$691
Kansas CityReykjavik
MCI - KEF
MCIKEF
Kansas City
Wed 4/1
2:16 pm-9:30 am
2 stops14h 14m
Reykjavik Keflavik Intl
Wed 4/8
11:25 am-7:19 pm
1 stop12h 54m
$696
Kansas CityReykjavik
MCI - KEF
MCIKEF
Kansas City
Tue 5/19
10:31 am-6:20 am
1 stop14h 49m
Reykjavik Keflavik Intl
Tue 5/26
9:30 am-4:42 pm
1 stop12h 12m
$765
Kansas CityReykjavik
MCI - KEF
MCIKEF
Kansas City
Tue 5/19
3:06 pm-9:30 am
2 stops13h 24m
Reykjavik Keflavik Intl
Tue 5/26
11:25 am-8:47 pm
2 stops14h 22m
$770
Kansas CityReykjavik
MCI - KEF
MCIKEF
Kansas City
Sat 4/11
9:35 am-9:30 am
1 stop18h 55m
Reykjavik Keflavik Intl
Sat 4/18
11:25 am-7:19 pm
1 stop12h 54m
$791
St. LouisReykjavik
STL - KEF
STLKEF
Lambert-St Louis
Fri 4/3
3:30 pm-12:55 pm
1 stop16h 25m
Reykjavik Keflavik Intl
Sat 4/11
2:20 pm-1:25 pm
1 stop28h 05m
$877
St. LouisReykjavik
STL - KEF
STLKEF
Lambert-St Louis
Wed 7/1
1:13 pm-7:55 am
2 stops13h 42m
Reykjavik Keflavik Intl
Fri 7/10
9:15 am-6:27 pm
1 stop14h 12m
$912
St. LouisReykjavik
STL - KEF
STLKEF
Lambert-St Louis
Wed 5/27
5:29 pm-8:30 am
1 stop10h 01m
Reykjavik Keflavik Intl
Fri 6/5
9:15 am-8:05 pm
1 stop15h 50m
$913
St. LouisReykjavik
STL - KEF
STLKEF
Lambert-St Louis
Fri 7/10
9:23 am-7:55 am
2 stops17h 32m
Reykjavik Keflavik Intl
Sun 7/19
10:00 am-3:46 pm
2 stops34h 46m
$950
Showing 1-10 of 18 results
Best time to book a flight from Missouri to Keflavik Intl
Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Missouri with our price prediction graph.
MCI-KEF
STL-KEF
SGF-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.
Cheapflights Insights
Everything you need to know about your flight from Missouri to Reykjavik Keflavik Intl Airport
USMO-KEF
MCI-KEF
STL-KEF
SGF-KEF
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Missouri 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
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Alternative routes for Missouri to Keflavik Intl
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Missouri to Keflavik Intl
Discover the top 4 airlines that operate flights from Missouri 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 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$370 | Average$1,016 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$566 | Average$800 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$595 | Average$920 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$636 | Average$1,074 | FlexibilityNo cancel fee | On-timeN/A |