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Keflavik Intl

$826+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — KEF
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
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 April 3, 2025.

Round-trip from

$826
(United)
From South Dakota to Reykjavik Keflavik Intl
Search Deals

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 April 3, 2025.

This United deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/143:12 pmFSD - KEF
1 stop12h 18mUnited Airlines
Sun 9/2110:00 amKEF - FSD
2 stops38h 51mUnited Airlines
Deal found 4/2$826
This Delta deal was found by Cheapflights users on 4/2. 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.
Thu 5/16:00 amRAP - KEF
2 stops21h 30mDelta
Sat 6/79:30 amKEF - RAP
1 stop19h 04mDelta
Deal found 4/2$893
This United deal was found by Cheapflights users on 4/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/19:05 amRAP - KEF
2 stops32h 30mMultiple Airlines
Wed 5/712:25 amKEF - RAP
2 stops26h 49mMultiple Airlines
Deal found 4/1$895
This Ovago deal was found by Cheapflights users on 4/2. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/146:11 pmFSD - KEF
1 stop9h 19mLufthansa
Sat 9/201:15 amKEF - FSD
2 stops25h 57mLufthansa
Deal found 4/2$1,008
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Sat 8/307:05 amRAP - KEF
3 stops17h 55mUnited Airlines
Sat 9/611:00 amKEF - RAP
2 stops16h 55mUnited Airlines
Deal found 4/1$1,065
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/239:58 pmFSD - KEF
2 stops30h 27mMultiple Airlines
Tue 5/279:35 amKEF - FSD
3 stops32h 22mMultiple Airlines
Deal found 4/1$1,134
This KLM deal was found by Cheapflights users on 4/1. 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.
Fri 5/2312:44 pmFSD - KEF
1 stop13h 16mKLM
Tue 5/279:30 amKEF - FSD
1 stop18h 26mKLM
Deal found 4/1$1,275
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2312:44 pmFSD - KEF
1 stop13h 16mDelta
Tue 5/278:50 amKEF - FSD
2 stops11h 46mDelta
Deal found 4/1$1,279
This KLM deal was found by Cheapflights users on 4/1. 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 8/3010:40 amRAP - KEF
1 stop14h 20mKLM
Sat 9/69:30 amKEF - RAP
1 stop18h 26mKLM
Deal found 4/1$1,474

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 April 3, 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

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Thu 5/1

6:00 am-9:30 am

2 stops21h 30m

Reykjavik Keflavik Intl

Sat 6/7

9:30 am-10:34 pm

1 stop19h 04m

$893

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Thu 5/1

9:05 am-11:35 pm

2 stops32h 30m

Reykjavik Keflavik Intl

Wed 5/7

12:25 am-9:14 pm

2 stops26h 49m

$895

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Sat 8/30

7:05 am-7:00 am

3 stops17h 55m

Reykjavik Keflavik Intl

Sat 9/6

11:00 am-9:55 pm

2 stops16h 55m

$1,065

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Fri 5/23

9:58 pm-9:25 am

2 stops30h 27m

Reykjavik Keflavik Intl

Tue 5/27

9:35 am-12:57 pm

3 stops32h 22m

$1,134

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Fri 5/23

12:44 pm-7:00 am

1 stop13h 16m

Reykjavik Keflavik Intl

Tue 5/27

9:30 am-10:56 pm

1 stop18h 26m

$1,275

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Fri 5/23

12:44 pm-7:00 am

1 stop13h 16m

Reykjavik Keflavik Intl

Tue 5/27

8:50 am-3:36 pm

2 stops11h 46m

$1,279

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Fri 5/23

9:25 am-8:30 am

2 stops18h 05m

Reykjavik Keflavik Intl

Tue 5/27

12:00 pm-9:52 pm

1 stop14h 52m

$1,292

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Tue 4/22

6:30 pm-11:35 pm

2 stops24h 05m

Reykjavik Keflavik Intl

Fri 4/25

12:25 am-8:30 pm

2 stops25h 05m

$1,393

Rapid CityReykjavik

RAP - KEF

RAPKEF

Rapid City

Sat 8/30

10:40 am-7:00 am

1 stop14h 20m

Reykjavik Keflavik Intl

Sat 9/6

9:30 am-9:56 pm

1 stop18h 26m

$1,474

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Sat 6/21

5:03 pm-8:30 am

2 stops34h 27m

$835

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 11 results
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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

Rainfall in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

Temperature in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated April 3, 2025.
To help decide which airline to fly from South Dakota to Reykjavik, see what other customers have to say about Delta, KLM and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,619 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Lufthansa
6.7
Okay
6,963 reviews
Delta
8.0
Very good
7,897 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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.

  • What is the cheapest month to book a flight from South Dakota to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from South Dakota to Reykjavik Keflavik Intl Airport (average of $328). Flying from South Dakota to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $651). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for South Dakota to Keflavik Intl

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