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Keflavik Intl

$701+ 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 6/21. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — KEF
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 24, 2025.

Round-trip from

$743
(United Airlines)

One-way from

$701
(United Airlines)
From South Dakota to Reykjavik Keflavik Intl
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One-way flight 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 April 24, 2025.

This United Airlines deal was found by Cheapflights users on 4/23. 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 9/146:11 pmFSD - KEF
1 stop9h 19mUnited Airlines
Sun 9/2110:00 amKEF - FSD
2 stops41h 12mUnited Airlines
Deal found 4/23$743
This Trip.com deal was found by Cheapflights users on 4/23. 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.
Thu 7/102:57 pmFSD - KEF
1 stop13h 28mMultiple Airlines
Mon 7/1410:35 amKEF - FSD
1 stop12h 57mMultiple Airlines
Deal found 4/23$787
This Delta deal was found by Cheapflights users on 4/22. 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 8/271:20 pmFSD - KEF
1 stop12h 40mDelta
Mon 9/19:30 amKEF - FSD
1 stop10h 54mDelta
Deal found 4/22$815
This Gurufare deal was found by Cheapflights users on 4/23. 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 Gurufare 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 4/23$822
This KLM deal was found by Cheapflights users on 4/23. 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.
Thu 7/101:20 pmFSD - KEF
1 stop12h 40mKLM
Mon 7/149:30 amKEF - FSD
1 stop14h 36mKLM
Deal found 4/23$915
This Delta deal was found by Cheapflights users on 4/23. 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 stop12h 15mDelta
Deal found 4/23$1,497

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 24, 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

Sun 9/14

6:11 pm-8:30 am

1 stop9h 19m

Reykjavik Keflavik Intl

Sun 9/21

10:00 am-10:12 pm

2 stops41h 12m

$743

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Thu 7/10

2:57 pm-9:25 am

1 stop13h 28m

Reykjavik Keflavik Intl

Mon 7/14

10:35 am-6:32 pm

1 stop12h 57m

$787

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Wed 8/27

1:20 pm-7:00 am

1 stop12h 40m

Reykjavik Keflavik Intl

Mon 9/1

9:30 am-3:24 pm

1 stop10h 54m

$815

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Sun 9/14

6:11 pm-8:30 am

1 stop9h 19m

Reykjavik Keflavik Intl

Sat 9/20

1:15 am-10:12 pm

2 stops25h 57m

$822

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Thu 7/10

1:20 pm-7:00 am

1 stop12h 40m

Reykjavik Keflavik Intl

Mon 7/14

9:30 am-7:06 pm

1 stop14h 36m

$915

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Sat 6/21

5:03 pm-8:30 am

2 stops58h 27m

$701

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Sat 6/21

6:05 pm-7:00 am

1 stop7h 55m

$858

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

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 24, 2025.
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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
7,029 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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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