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Cheap flights from Sioux Falls to Reykjavik from $730

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Sioux Falls to Reykjavik departing on 8/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Sioux Falls to Reykjavik

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:37 pm - 8:50 am
FSD
-
KEF
33h 13m
2 stops
United Airlines Logo
10:00 am - 9:52 pm
KEF
-
FSD
40h 52m
2 stops
$730United Airlines
Sat, Aug 22 - Sun, Aug 30
United Airlines Logo
1:19 pm - 8:45 am
FSD
-
KEF
38h 26m
2 stops
United Airlines Logo
12:00 pm - 6:02 pm
KEF
-
FSD
11h 02m
1 stop
$738United Airlines
Sat, Aug 22 - Sun, Aug 30
United Airlines Logo
6:37 pm - 8:30 am
FSD
-
KEF
8h 53m
1 stop
United Airlines Logo
12:00 pm - 6:02 pm
KEF
-
FSD
11h 02m
1 stop
$780United Airlines
Sat, Aug 22 - Sun, Aug 30
Multiple Airlines Logo
1:20 pm - 5:10 pm
FSD
-
KEF
22h 50m
3 stops
Multiple Airlines Logo
6:00 pm - 10:46 pm
KEF
-
FSD
33h 46m
3 stops
$1,480Multiple Airlines
Sat, Aug 22 - Sun, Aug 30
Lufthansa Logo
1:38 pm - 2:15 pm
FSD
-
KEF
19h 37m
2 stops
Lufthansa Logo
12:20 am - 9:49 pm
KEF
-
FSD
26h 29m
2 stops
$1,522Lufthansa
Mon, Mar 23 - Sun, Mar 29
Multiple Airlines Logo
11:01 am - 10:45 am
FSD
-
KEF
18h 44m
3 stops
Multiple Airlines Logo
6:25 pm - 11:04 pm
KEF
-
FSD
33h 39m
3 stops
$3,460Multiple Airlines
Mon, Mar 23 - Mon, Mar 30
United Airlines Logo
6:00 am - 7:00 am
FSD
-
KEF
20h 00m
2 stops
United Airlines Logo
11:30 am - 10:34 am
KEF
-
FSD
28h 04m
2 stops
$3,919United Airlines
Sat, Aug 22 - Sun, Aug 30
Multiple Airlines Logo
1:20 pm - 5:10 pm
FSD
-
KEF
22h 50m
3 stops
Multiple Airlines Logo
6:00 pm - 10:46 pm
KEF
-
FSD
33h 46m
3 stops
$3,960Multiple Airlines
Sat, Aug 22 - Sun, Aug 30
Multiple Airlines Logo
5:20 am - 3:25 pm
FSD
-
KEF
29h 05m
2 stops
Multiple Airlines Logo
6:25 pm - 11:04 pm
KEF
-
FSD
33h 39m
3 stops
$4,474Multiple Airlines
Mon, Mar 23 - Mon, Mar 30
United Airlines Logo
1:01 pm - 7:00 am
FSD
-
KEF
12h 59m
2 stops
United Airlines Logo
12:00 pm - 11:37 pm
KEF
-
FSD
16h 37m
1 stop
$5,136United Airlines
Sat, Aug 22 - Sun, Aug 30

Lufthansa flights from Sioux Falls to Reykjavik Keflavik Intl Airport

Our best Lufthansa deals on Sioux Falls to Reykjavik Keflavik Intl Airport flight tickets
Lufthansa
May 10
FSD6:52 pmSioux Falls Joe Foss Field
23h 33m
2 stops
KEF11:25 pmReykjavik Keflavik Intl
May 16
KEF2:20 pmReykjavik Keflavik Intl
36h 32m
2 stops
FSD9:52 pmSioux Falls Joe Foss Field
$1,399
Lufthansa
Mar 23
FSD1:38 pmSioux Falls Joe Foss Field
19h 37m
2 stops
KEF2:15 pmReykjavik Keflavik Intl
Mar 29
KEF12:20 amReykjavik Keflavik Intl
26h 29m
2 stops
FSD9:49 pmSioux Falls Joe Foss Field
$1,522

United Airlines flights from Sioux Falls to Reykjavik Keflavik Intl Airport

Our best United Airlines deals on Sioux Falls to Reykjavik Keflavik Intl Airport flight tickets
United Airlines
Aug 22
FSD6:37 pmSioux Falls Joe Foss Field
33h 13m
2 stops
KEF8:50 amReykjavik Keflavik Intl
Aug 30
KEF10:00 amReykjavik Keflavik Intl
40h 52m
2 stops
FSD9:52 pmSioux Falls Joe Foss Field
$730
United Airlines
Aug 22
FSD1:19 pmSioux Falls Joe Foss Field
38h 26m
2 stops
KEF8:45 amReykjavik Keflavik Intl
Aug 30
KEF12:00 pmReykjavik Keflavik Intl
11h 02m
1 stop
FSD6:02 pmSioux Falls Joe Foss Field
$738
United Airlines
Aug 22
FSD6:37 pmSioux Falls Joe Foss Field
8h 53m
1 stop
KEF8:30 amReykjavik Keflavik Intl
Aug 30
KEF12:00 pmReykjavik Keflavik Intl
11h 02m
1 stop
FSD6:02 pmSioux Falls Joe Foss Field
$780

momondo Fare Finder

 
Customize your flight search to find flights from Sioux Falls to Reykjavik Keflavik Intl Airport 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, momondo users made 832,500 searches. Data last updated March 1, 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

Fly to

Route

Depart

Return

Price

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Sat 8/22

6:37 pm-8:50 am

2 stops33h 13m

Reykjavik Keflavik Intl

Sun 8/30

10:00 am-9:52 pm

2 stops40h 52m

$730

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Sat 8/22

1:19 pm-8:45 am

2 stops38h 26m

Reykjavik Keflavik Intl

Sun 8/30

12:00 pm-6:02 pm

1 stop11h 02m

$738

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Sat 8/22

6:37 pm-8:30 am

1 stop8h 53m

Reykjavik Keflavik Intl

Sun 8/30

12:00 pm-6:02 pm

1 stop11h 02m

$780

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Sat 8/22

1:20 pm-5:10 pm

3 stops22h 50m

Reykjavik Keflavik Intl

Sun 8/30

6:00 pm-10:46 pm

3 stops33h 46m

$1,480

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Mon 3/23

1:38 pm-2:15 pm

2 stops19h 37m

Reykjavik Keflavik Intl

Sun 3/29

12:20 am-9:49 pm

2 stops26h 29m

$1,522

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Mon 3/23

11:01 am-10:45 am

3 stops18h 44m

Reykjavik Keflavik Intl

Mon 3/30

6:25 pm-11:04 pm

3 stops33h 39m

$3,460

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Sat 8/22

6:00 am-7:00 am

2 stops20h 00m

Reykjavik Keflavik Intl

Sun 8/30

11:30 am-10:34 am

2 stops28h 04m

$3,919

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Sat 8/22

1:20 pm-5:10 pm

3 stops22h 50m

Reykjavik Keflavik Intl

Sun 8/30

6:00 pm-10:46 pm

3 stops33h 46m

$3,960

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Mon 3/23

5:20 am-3:25 pm

2 stops29h 05m

Reykjavik Keflavik Intl

Mon 3/30

6:25 pm-11:04 pm

3 stops33h 39m

$4,474

Sioux FallsReykjavik

FSD - KEF

FSDKEF

Sioux Falls Joe Foss Field

Sat 8/22

1:01 pm-7:00 am

2 stops12h 59m

Reykjavik Keflavik Intl

Sun 8/30

12:00 pm-11:37 pm

1 stop16h 37m

$5,136

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Sioux Falls to Reykjavik Keflavik Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Sioux Falls to Reykjavik Keflavik Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sioux Falls to Reykjavik Keflavik Intl Airport (FSD to KEF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sioux Falls to Reykjavik Keflavik Intl Airport

Fastest flight time

31h 40m

Direct flights

None
The fastest flight from Sioux Falls to Reykjavik Keflavik Intl Airport takes 31h 40m
There are no direct flights from Sioux Falls to Reykjavik Keflavik Intl Airport. There are no popular flight routes from Sioux Falls to Reykjavik Keflavik Intl Airport.
Search flight deals

  • How far is Sioux Falls Joe Foss Field to Reykjavik Keflavik Intl by plane?

    A flight from Sioux Falls Joe Foss Field to Reykjavik Keflavik Intl will travel around 3112.7 mi. Flights usually cover this in 31h 40m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Sioux Falls Joe Foss Field Airport to Reykjavik Keflavik Intl Airport?

    Prices for flights from Sioux Falls Joe Foss Field Airport to Reykjavik Keflavik Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Sioux Falls Joe Foss Field Airport to Reykjavik Keflavik Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sioux Falls Joe Foss Field Airport to Reykjavik Keflavik Intl Airport.

  • What documentation or ID do you need to fly to Reykjavik Keflavik Intl Airport?

    The travel and health documents required for your trip to Reykjavik Keflavik Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Reykjavik Keflavik Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • How do I get Price Alerts for flights from Sioux Falls to Reykjavik Keflavik Intl Airport?

    Price Alerts will notify you by email when the price for flights to Reykjavik Keflavik Intl Airport from Sioux Falls decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Sioux Falls to Reykjavik Keflavik Intl Airport with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
Keflavik
Selfoss
Hella
Hveragerdi
Borgarnes
Grindavik
Kopavogur

Why use momondo?

Why should I use momondo to find a flight deal from Sioux Falls to Reykjavik?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Sioux Falls to Reykjavik. momondo saves you time and could save you money on your trip.

Can I find flights from Sioux Falls to Reykjavik with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Sioux Falls to Reykjavik flights to just show those with flexible booking policies.

How can momondo help me find flights from Sioux Falls to Reykjavik?

momondo provides multiple filters to help you find the best flight to Reykjavik from Sioux Falls. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Sioux Falls to Reykjavik right now. Can momondo alert me if prices change?

Price alerts on flights to Reykjavik from Sioux Falls are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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