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Keflavik Intl

$856+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — KEF
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheap 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 November 6, 2025.

Round-trip from

$856
(Lufthansa)
From South Dakota to Reykjavik Keflavik Intl
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Find 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 November 6, 2025.

This Lufthansa deal was found by Cheapflights users on 11/4. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:55 pmFSD - KEF
2 stops18h 20mLufthansa
Tue 12/93:20 pmKEF - FSD
2 stops36h 31mLufthansa
Deal found 11/4$856
This Trip.com deal was found by Cheapflights users on 11/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:05 amFSD - KEF
2 stops28h 25mMultiple Airlines
Mon 12/157:35 amKEF - FSD
2 stops45h 39mMultiple Airlines
Deal found 11/6$1,548
This American Airlines deal was found by Cheapflights users on 11/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/81:47 pmRAP - KEF
2 stops38h 03mAmerican Airlines
Mon 12/1511:50 amKEF - RAP
2 stops32h 22mAmerican Airlines
Deal found 11/5$2,391
This American Airlines deal was found by Cheapflights users on 11/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:47 pmRAP - KEF
2 stops37h 53mAmerican Airlines
Tue 12/911:50 amKEF - RAP
2 stops40h 26mAmerican Airlines
Deal found 11/4$2,654

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 November 6, 2025.
Use the filters below to find and compare flights from South Dakota to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

South Dakota

Fly to

Keflavik Intl

Route

Depart

Return

Price

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Fri 12/5

1:55 pm-2:15 pm

2 stops18h 20m

Reykjavik Keflavik Intl

Tue 12/9

3:20 pm-9:51 pm

2 stops36h 31m

$856

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Thu 1/29

6:00 am-5:15 pm

2 stops28h 15m

Reykjavik Keflavik Intl

Mon 2/2

11:50 am-9:15 pm

2 stops40h 25m

$941

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Sun 3/29

10:40 am-9:30 am

2 stops40h 50m

Reykjavik Keflavik Intl

Sat 5/9

11:25 am-3:10 pm

2 stops33h 45m

$1,146

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Sun 3/29

11:25 am-11:30 pm

3 stops30h 05m

Reykjavik Keflavik Intl

Fri 5/8

12:25 am-5:03 pm

3 stops22h 38m

$1,457

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Mon 12/8

5:05 am-3:30 pm

2 stops28h 25m

Reykjavik Keflavik Intl

Mon 12/15

7:35 am-11:14 pm

2 stops45h 39m

$1,548

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Mon 12/8

1:47 pm-10:50 am

2 stops38h 03m

Reykjavik Keflavik Intl

Mon 12/15

11:50 am-1:12 pm

2 stops32h 22m

$2,391

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Fri 12/5

1:47 pm-10:40 am

2 stops37h 53m

Reykjavik Keflavik Intl

Tue 12/9

11:50 am-9:16 pm

2 stops40h 26m

$2,654

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

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?

    Lufthansa, American Airlines, and Air France can get you from South Dakota to Reykjavik Keflavik Intl Airport in just under 18h 20m. Your travel time can differ by up to 22h 30m. 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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