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Keflavik Intl

$690+ 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
may. 6 — may. 131
mar. 5/6
mar. 5/13
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 mayo 1, 2025.

Round-trip from

$742
(United Airlines)

One-way from

$690
(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 mayo 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/29. 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.
dom. 9/1411:20 amFSD - KEF
1 stop16h 10mUnited Airlines
dom. 9/2110:00 amKEF - FSD
2 stops39h 29mUnited Airlines
Deal found 4/29$742
This Delta deal was found by Cheapflights users on 4/29. 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.
mié. 5/2810:56 amFSD - KEF
1 stop15h 04mDelta
vie. 6/68:50 amKEF - FSD
2 stops19h 07mDelta
Deal found 4/29$789
This Ovago deal was found by Cheapflights users on 4/30. 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.
dom. 9/146:11 pmFSD - KEF
1 stop9h 19mLufthansa
sáb. 9/201:15 amKEF - FSD
2 stops25h 57mLufthansa
Deal found 4/30$858
This KLM deal was found by Cheapflights users on 4/29. 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.
sáb. 5/314:20 pmFSD - KEF
1 stop9h 40mKLM
sáb. 6/79:30 amKEF - FSD
1 stop14h 46mKLM
Deal found 4/29$964
This Air France deal was found by Cheapflights users on 4/29. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/3112:44 pmFSD - KEF
2 stops12h 36mAir France
sáb. 6/711:25 amKEF - FSD
2 stops16h 32mAir France
Deal found 4/29$969
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
mar. 6/310:09 amFSD - KEF
1 stop18h 06mMultiple Airlines
jue. 6/59:35 amKEF - FSD
2 stops40h 44mMultiple Airlines
Deal found 4/29$1,097
This Delta deal was found by Cheapflights users on 4/30. 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.
jue. 5/16:00 amRAP - KEF
2 stops21h 30mDelta
sáb. 6/711:25 amKEF - RAP
2 stops17h 09mDelta
Deal found 4/30$8,064

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 mayo 1, 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

mié. 5/28

6:35 pm-8:30 am

1 stop8h 55m

Reykjavik Keflavik Intl

jue. 6/5

12:00 pm-5:52 pm

1 stop10h 52m

$784

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

mié. 5/28

10:56 am-7:00 am

1 stop15h 04m

Reykjavik Keflavik Intl

vie. 6/6

8:50 am-10:57 pm

2 stops19h 07m

$789

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

sáb. 5/31

4:20 pm-7:00 am

1 stop9h 40m

Reykjavik Keflavik Intl

sáb. 6/7

9:30 am-7:16 pm

1 stop14h 46m

$964

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

sáb. 5/31

12:44 pm-7:00 am

1 stop13h 16m

Reykjavik Keflavik Intl

sáb. 6/7

11:25 am-10:57 pm

2 stops16h 32m

$969

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

mar. 6/3

10:09 am-9:15 am

1 stop18h 06m

Reykjavik Keflavik Intl

jue. 6/5

9:35 am-9:19 pm

2 stops40h 44m

$1,097

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

vie. 5/30

6:35 pm-11:35 pm

2 stops24h 00m

Reykjavik Keflavik Intl

jue. 6/5

1:15 am-9:52 pm

2 stops25h 37m

$1,202

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

sáb. 6/21

5:03 pm-8:15 am

2 stops34h 12m

$690

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

sáb. 6/21

12:56 pm-7:00 am

1 stop13h 04m

$838

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 mayo 1, 2025.
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

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
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

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.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

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
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

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
7,046 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

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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Keflavik

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Alternative routes for South Dakota to Keflavik Intl

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