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Keflavik Intl

$471+ Cheap flights from South Dakota 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — KEF
Jul 9 — Jul 161
Thu 7/9
Thu 7/16
1 adult, Economy
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Cheap flight deals from South Dakota to Keflavik Intl

Cheapest flights from South Dakota to Keflavik Intl
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 June 9, 2026.

This United Airlines deal was found by Cheapflights users on 6/4. 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 9/141:31 pm
RAP
-
KEF
1 stop13h 19m
United Airlines
Thu 9/2410:00 am
KEF
-
RAP
2 stops37h 06m
United Airlines
Deal found 6/4$969
This United Airlines deal was found by Cheapflights users on 6/4. 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 9/29:35 am
FSD
-
KEF
2 stops17h 20m
United Airlines
Mon 9/79:15 am
KEF
-
FSD
2 stops42h 37m
United Airlines
Deal found 6/4$1,037
This KAYAK deal was found by Cheapflights users on 6/6. 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 9/141:31 pm
RAP
-
KEF
1 stop13h 19m
Multiple Airlines
Thu 9/2412:00 pm
KEF
-
RAP
1 stop28h 15m
Multiple Airlines
Deal found 6/6$1,040
This Virgin Atlantic deal was found by Cheapflights users on 6/8. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:30 pm
FSD
-
KEF
1 stop12h 30m
Virgin Atlantic
Mon 7/279:30 am
KEF
-
FSD
1 stop18h 36m
Virgin Atlantic
Deal found 6/8$1,064
This United Airlines deal was found by Cheapflights users on 6/8. 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 7/229:30 am
FSD
-
KEF
2 stops17h 25m
United Airlines
Mon 7/2712:00 pm
KEF
-
FSD
1 stop10h 53m
United Airlines
Deal found 6/8$1,067
This Justfly.com deal was found by Cheapflights users on 6/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:38 pm
FSD
-
KEF
2 stops24h 32m
Lufthansa
Mon 9/712:20 am
KEF
-
FSD
2 stops27h 32m
Lufthansa
Deal found 6/4$1,087
This United Airlines deal was found by Cheapflights users on 6/4. 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 9/37:47 am
FSD
-
KEF
1 stop20h 03m
United Airlines
Mon 9/79:15 am
KEF
-
FSD
2 stops42h 37m
United Airlines
Deal found 6/4$1,094
This Delta deal was found by Cheapflights users on 6/5. 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 9/144:31 pm
RAP
-
KEF
1 stop8h 29m
Delta
Thu 9/249:30 am
KEF
-
RAP
1 stop10h 19m
Delta
Deal found 6/5$1,104
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:08 pm
FSD
-
KEF
1 stop28h 52m
Multiple Airlines
Fri 7/2410:45 am
KEF
-
FSD
1 stop13h 38m
Multiple Airlines
Deal found 6/7$1,196
This Delta deal was found by Cheapflights users on 6/4. 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 9/28:22 am
FSD
-
KEF
1 stop17h 38m
Delta
Mon 9/79:30 am
KEF
-
FSD
1 stop18h 21m
Delta
Deal found 6/4$1,280
This United Airlines deal was found by Cheapflights users on 6/4. 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 9/43:08 pm
FSD
-
KEF
2 stops12h 22m
United Airlines
Mon 9/712:00 pm
KEF
-
FSD
1 stop16h 22m
United Airlines
Deal found 6/4$1,459

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 June 9, 2026.

Round-trip from

$969
(United Airlines)

One-way from

$471
(United Airlines)
From South Dakota to Reykjavik Keflavik Intl
Search Deals
One-way flight from South Dakota to Reykjavik Keflavik Intl
Search Deals

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 2,558,603 searches. Data last updated June 9, 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

Price

Cheapest round-trip

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Mon 9/14

1:31 pm-8:50 am

1 stop13h 19m

Reykjavik Keflavik Intl

Thu 9/24

10:00 am-10:15 am

2 stops30h 15m

$969

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Mon 9/14

1:31 pm-8:50 am

1 stop13h 19m

Reykjavik Keflavik Intl

Thu 9/24

12:00 pm-10:15 am

1 stop28h 15m

$1,040

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Wed 7/22

1:30 pm-7:00 am

1 stop12h 30m

Reykjavik Keflavik Intl

Mon 7/27

9:30 am-11:06 pm

1 stop18h 36m

$1,064

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Wed 7/22

7:35 am-7:00 am

2 stops18h 25m

Reykjavik Keflavik Intl

Mon 7/27

12:00 pm-11:53 pm

2 stops16h 53m

$1,069

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Wed 7/22

8:08 pm-6:00 am

1 stop28h 52m

Reykjavik Keflavik Intl

Fri 7/24

10:45 am-7:23 pm

1 stop13h 38m

$1,196

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Wed 9/2

8:22 am-7:00 am

1 stop17h 38m

Reykjavik Keflavik Intl

Mon 9/7

9:30 am-10:51 pm

1 stop18h 21m

$1,280
Quickest round-trip

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Thu 9/3

6:38 pm-8:50 am

1 stop9h 12m

Reykjavik Keflavik Intl

Mon 9/7

12:00 pm-11:22 pm

1 stop16h 22m

$1,368

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Wed 7/22

11:16 am-8:50 am

1 stop16h 34m

Reykjavik Keflavik Intl

Fri 7/24

9:15 am-2:32 pm

2 stops34h 17m

$2,024

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Thu 9/3

1:26 pm-4:15 pm

3 stops21h 49m

Reykjavik Keflavik Intl

Mon 9/7

5:05 pm-10:46 pm

3 stops34h 41m

$2,091

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Fri 9/4

1:26 pm-9:30 am

2 stops15h 04m

Reykjavik Keflavik Intl

Mon 9/7

11:25 am-7:06 pm

2 stops36h 41m

$2,545

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 12 resultsSorted by cheapest first
1
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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.
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
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.

  • How long is the flight from South Dakota to Reykjavik Keflavik Intl Airport?

    United Airlines, Virgin Atlantic, and Lufthansa can get you from South Dakota to Reykjavik Keflavik Intl Airport in just under 12h 30m. Your travel time can differ by up to 12h 02m. The distance from South Dakota to Reykjavik Keflavik Intl Airport is about 3111 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from South Dakota to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on South Dakota to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from South Dakota to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Dakota to Keflavik Intl.

  • Can I find deals for business class flights from South Dakota to Keflavik Intl?

    Yes. Cheapflights offers flight deals from South Dakota 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.

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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