$926+ Cheap flights from South Dakota 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — KEF
Oct 14 — Oct 211
Round-trip
1 adult, Economy
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Find cheap flights from South Dakota 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 South Dakota to Keflavik Intl
Cheapest
Best
Last-minute
Cheapest flights from South Dakota to Keflavik IntlExplore the most affordable flight options available from South Dakota to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
Explore the most affordable flight options available from South Dakota to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:37 pm -
1 stop13h 13m
Tue 10/2010:00 am -
2 stops42h 30m
Deal found 9/9![United Airlines logo]()
$926
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:31 pm -
1 stop9h 19m
Tue 10/2010:00 am -
2 stops42h 44m
Deal found 9/10![United Airlines logo]()
$947
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/13:29 pm -
2 stops37h 21m
Sat 11/74:05 pm -
2 stops38h 24m
Deal found 9/11![Multiple Airlines logo]()
$1,220
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/111:14 am -
1 stop16h 46m
Sat 11/712:00 pm -
1 stop17h 29m
Deal found 9/11![United Airlines logo]()
$1,299
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:00 am -
2 stops21h 45m
Fri 10/169:15 am -
2 stops42h 56m
Deal found 9/9![Multiple Airlines logo]()
$1,385
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/121:46 pm -
2 stops13h 59m
Fri 10/169:15 am -
2 stops42h 56m
Deal found 9/11![United Airlines logo]()
$1,386
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.
Sun 12/277:34 am -
1 stop20h 26m
Sat 1/212:00 pm -
2 stops41h 44m
Deal found 9/13![United Airlines logo]()
$1,803
Best flights from South Dakota to Keflavik IntlDiscover carefully curated flight deals from South Dakota to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
Discover carefully curated flight deals from South Dakota to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
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.
Fri 10/161:37 pm -
1 stop13h 13m
Tue 10/2010:00 am -
2 stops32h 26m
Deal found 9/12![United Airlines logo]()
$926
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/13:29 pm -
2 stops37h 21m
Sat 11/74:05 pm -
2 stops38h 24m
Deal found 9/11![Multiple Airlines logo]()
$1,220
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:31 pm -
1 stop9h 19m
Tue 10/2010:00 am -
2 stops42h 44m
Deal found 9/9![United Airlines logo]()
$947
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:00 am -
2 stops21h 45m
Fri 10/169:15 am -
2 stops42h 56m
Deal found 9/9![Multiple Airlines logo]()
$1,385
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:40 pm -
1 stop9h 20m
Sat 11/712:00 pm -
2 stops28h 27m
Deal found 9/11![United Airlines logo]()
$1,304
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.
Mon 10/121:46 pm -
2 stops13h 59m
Fri 10/169:15 am -
2 stops42h 56m
Deal found 9/12![United Airlines logo]()
$1,386
Last-minute flights from South Dakota to Keflavik IntlDiscover last-minute flight deals from South Dakota to Keflavik Intl. Data last updated September 14, 2026 and is based on user searches.
Discover last-minute flight deals from South Dakota to Keflavik Intl. Data last updated September 14, 2026 and is based on user searches.
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:00 am -
2 stops21h 45m
Fri 10/169:15 am -
2 stops42h 56m
Deal found 9/9![Multiple Airlines logo]()
$1,385
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/121:46 pm -
2 stops13h 59m
Fri 10/169:15 am -
2 stops42h 56m
Deal found 9/11![United Airlines logo]()
$1,386
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:37 pm -
1 stop13h 13m
Tue 10/2010:00 am -
2 stops42h 30m
Deal found 9/9![United Airlines logo]()
$926
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:31 pm -
1 stop9h 19m
Tue 10/2010:00 am -
2 stops42h 44m
Deal found 9/10![United Airlines logo]()
$947
Find flight deals from South Dakota to Keflavik Intl
Keep the following information in mind while searching for South Dakota to Keflavik Intl flight deals. Data was last updated September 14, 2026.
Round-trip from | $926 (United Airlines) |
|---|
Cheapflights Fare Finder
Customize your flight search to find flights from South Dakota 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 14, 2026.
Use the filters below to find and compare flights from South Dakota to Reykjavik Keflavik Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Rapid CityReykjavik
RAP Rapid City - KEF Reykjavik Keflavik Intl
RAPKEF
Rapid City
Fri 10/16
1:37 pm-8:50 am
1 stop13h 13m
Reykjavik Keflavik Intl
Tue 10/20
10:00 am-12:26 pm
2 stops32h 26m
$926
Sioux FallsReykjavik
FSD Sioux Falls Joe Foss Field - KEF Reykjavik Keflavik Intl
FSDKEF
Sioux Falls Joe Foss Field
Fri 10/16
6:31 pm-8:50 am
1 stop9h 19m
Reykjavik Keflavik Intl
Tue 10/20
10:00 am-11:44 pm
2 stops42h 44m
$947
Sioux FallsReykjavik
FSD Sioux Falls Joe Foss Field - KEF Reykjavik Keflavik Intl
FSDKEF
Sioux Falls Joe Foss Field
Sun 11/1
3:29 pm-10:50 am
2 stops37h 21m
Reykjavik Keflavik Intl
Sat 11/7
4:05 pm-12:29 am
2 stops38h 24m
$1,220
Quickest round-trip
Sioux FallsReykjavik
FSD Sioux Falls Joe Foss Field - KEF Reykjavik Keflavik Intl
FSDKEF
Sioux Falls Joe Foss Field
Sun 11/1
6:40 pm-10:00 am
1 stop9h 20m
Reykjavik Keflavik Intl
Sat 11/7
12:00 pm-10:27 am
2 stops28h 27m
$1,304
Sioux FallsReykjavik
FSD Sioux Falls Joe Foss Field - KEF Reykjavik Keflavik Intl
FSDKEF
Sioux Falls Joe Foss Field
Mon 10/12
6:00 am-8:45 am
2 stops21h 45m
Reykjavik Keflavik Intl
Fri 10/16
9:15 am-11:11 pm
2 stops42h 56m
$1,385
Sioux FallsReykjavik
FSD Sioux Falls Joe Foss Field - KEF Reykjavik Keflavik Intl
FSDKEF
Sioux Falls Joe Foss Field
Mon 10/12
1:46 pm-8:45 am
2 stops13h 59m
Reykjavik Keflavik Intl
Fri 10/16
9:15 am-11:11 pm
2 stops42h 56m
$1,386
Sorted by cheapest first
Best time to book a flight from South Dakota to Keflavik Intl
Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from South Dakota with our price prediction graph.
RAP-KEF
FSD-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 South Dakota to Reykjavik Keflavik Intl Airport
USSD-KEF
RAP-KEF
FSD-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 South Dakota 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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