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Keflavik Intl

$1,021+ Cheap flights from Sioux Falls (FSD) 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — KEF
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap flight deals from Sioux Falls to Keflavik Intl

Cheapest flights from Sioux Falls to Keflavik Intl
Explore the most affordable flight options available from Sioux Falls to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This KAYAK deal was found by Cheapflights users on 2/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/231:30 pm
FSD
-
KEF
1 stop13h 10m
Multiple Airlines
Sat 5/309:30 am
KEF
-
FSD
1 stop14h 56m
Multiple Airlines
Deal found 2/8$1,021
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Fri 3/278:54 pm
FSD
-
KEF
1 stop28h 11m
Multiple Airlines
Fri 4/34:50 pm
KEF
-
FSD
2 stops26h 55m
Multiple Airlines
Deal found 2/10$1,089
This Air France deal was found by Cheapflights users on 2/10. 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.
Sat 4/41:34 pm
FSD
-
KEF
2 stops38h 56m
Air France
Wed 4/811:25 am
KEF
-
FSD
2 stops33h 17m
Air France
Deal found 2/10$1,674
This KAYAK deal was found by Cheapflights users on 2/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/71:04 pm
FSD
-
KEF
2 stops30h 06m
Lufthansa
Thu 8/131:10 am
KEF
-
FSD
2 stops21h 24m
Lufthansa
Deal found 2/8$1,849
This Ovago deal was found by Cheapflights users on 2/10. 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.
Fri 3/271:38 pm
FSD
-
KEF
2 stops19h 37m
Lufthansa
Thu 4/21:10 am
KEF
-
FSD
2 stops25h 39m
Lufthansa
Deal found 2/10$1,889
This KAYAK deal was found by Cheapflights users on 2/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/811:16 am
FSD
-
KEF
2 stops20h 39m
Lufthansa
Fri 8/1412:25 am
KEF
-
FSD
2 stops28h 01m
Lufthansa
Deal found 2/8$2,259
This Scandinavian Airlines deal was found by Cheapflights users on 2/8. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/85:25 am
FSD
-
KEF
2 stops28h 55m
Multiple Airlines
Fri 8/141:25 am
KEF
-
FSD
3 stops26h 21m
Multiple Airlines
Deal found 2/8$2,395
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/79:57 am
FSD
-
KEF
1 stop17h 43m
Multiple Airlines
Fri 8/144:45 pm
KEF
-
FSD
2 stops54h 35m
Multiple Airlines
Deal found 2/8$2,403
This Scandinavian Airlines deal was found by Cheapflights users on 2/10. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/45:20 am
FSD
-
KEF
3 stops23h 20m
Multiple Airlines
Wed 4/85:05 pm
KEF
-
FSD
3 stops34h 59m
Multiple Airlines
Deal found 2/10$2,545

Find flight deals from Sioux Falls to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,021
(KAYAK)
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Reykjavik Keflavik Intl flights.
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From Sioux Falls Joe Foss Field to Reykjavik Keflavik Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux Falls 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 February 11, 2026.
Use the filters below to find and compare flights from Sioux Falls to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Sioux Falls

Fly to

Keflavik Intl

Route

Depart

Return

Price

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Sat 5/23

1:30 pm-7:40 am

1 stop13h 10m

Reykjavik Keflavik Intl

Sat 5/30

9:30 am-7:26 pm

1 stop14h 56m

$1,021

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Sat 5/23

9:15 am-6:20 am

2 stops16h 05m

Reykjavik Keflavik Intl

Sat 5/30

9:30 am-3:39 pm

1 stop11h 09m

$1,025

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Fri 3/27

8:54 pm-6:05 am

1 stop28h 11m

Reykjavik Keflavik Intl

Fri 4/3

4:50 pm-2:45 pm

2 stops26h 55m

$1,089

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Sat 4/4

1:34 pm-9:30 am

2 stops38h 56m

Reykjavik Keflavik Intl

Wed 4/8

11:25 am-3:42 pm

2 stops33h 17m

$1,674

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Fri 8/7

1:04 pm-12:10 am

2 stops30h 06m

Reykjavik Keflavik Intl

Thu 8/13

1:10 am-5:34 pm

2 stops21h 24m

$1,849

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Sat 8/8

11:16 am-12:55 pm

2 stops20h 39m

Reykjavik Keflavik Intl

Fri 8/14

12:25 am-11:26 pm

2 stops28h 01m

$2,259

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Sat 8/8

5:25 am-3:20 pm

2 stops28h 55m

Reykjavik Keflavik Intl

Fri 8/14

1:25 am-10:46 pm

3 stops26h 21m

$2,395

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Fri 8/7

9:57 am-8:40 am

1 stop17h 43m

Reykjavik Keflavik Intl

Fri 8/14

4:45 pm-6:20 pm

2 stops54h 35m

$2,403

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Sat 4/4

5:20 am-9:40 am

3 stops23h 20m

Reykjavik Keflavik Intl

Wed 4/8

5:05 pm-11:04 pm

3 stops34h 59m

$2,545

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Compare providers for flights from Sioux Falls to Keflavik Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sioux Falls to Keflavik Intl in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sioux Falls-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux Falls-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux Falls-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sioux Falls-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sioux Falls-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sioux Falls to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Sioux Falls 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.

Related info for your journey

Find useful and relevant information for your journey from Sioux Falls to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Sioux Falls to Reykjavik Keflavik Intl?

    Most people fly from Sioux Falls Joe Foss Field (FSD) if they book a flight from Sioux Falls to Reykjavik Keflavik Intl. On average, Joe Foss Field has 0 outbound flights to Reykjavik Keflavik Intl per day from 0 airlines. Sioux Falls Joe Foss Field is conveniently located just 2.6 mi from Sioux Falls’s city center.

  • How long is the flight from Sioux Falls to Reykjavik Keflavik Intl Airport?

    Departing from Sioux Falls to Reykjavik Keflavik Intl Airport will take you 16h 05m. Sioux Falls and Reykjavik Keflavik Intl Airport are separated by a distance of 3111 mi. This flight may include one or multiple stops.

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

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

  • How can I find direct flights from Sioux Falls to Keflavik Intl?

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

  • Can I find deals for business class flights from Sioux Falls to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Sioux Falls 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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