$766 Find Cheap Flights from Sioux Falls to Iceland

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Sioux Falls to Iceland departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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Book Cheap Sioux Falls to Iceland Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Sioux Falls to Iceland that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Sioux Falls to Iceland

Fri, Dec 5 - Tue, Dec 9
Lufthansa Logo
1:55 pm - 2:15 pmFSD-KEF
18h 20m2 stops
Lufthansa Logo
3:20 pm - 8:31 pmKEF-FSD
35h 11m2 stops
$766Lufthansa
Find Deal
Fri, Oct 3 - Tue, Oct 7
United Airlines Logo
9:30 am - 8:15 amFSD-KEF
17h 45m2 stops
United Airlines Logo
9:50 am - 5:27 pmKEF-FSD
36h 37m2 stops
$935United Airlines
Find Deal
Fri, Oct 3 - Mon, Oct 6
Lufthansa Logo
11:19 am - 1:05 pmFSD-KEF
20h 46m2 stops
Lufthansa Logo
12:25 am - 5:27 pmKEF-FSD
22h 02m2 stops
$1,351Lufthansa
Find Deal
Fri, Oct 3 - Mon, Oct 6
Lufthansa Logo
11:19 am - 1:05 pmFSD-KEF
20h 46m2 stops
Lufthansa Logo
12:25 am - 10:22 pmKEF-FSD
26h 57m2 stops
$1,372Lufthansa
Find Deal
Booking Insights

KAYAK's insights & trends for Sioux Falls to Iceland flights

Get data-powered insights and trends into flights from Sioux Falls to Iceland to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Sioux Falls to Iceland?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Sioux Falls to Iceland were found on Lufthansa ($766) and United Airlines ($935).

Good to know

Cheapest flight$766
Flight from Sioux Falls to Reykjavik

FAQs - booking Iceland flights

  • How does KAYAK find such low prices on flights from Sioux Falls to Iceland?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sioux Falls to Iceland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sioux Falls to Iceland?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Sioux Falls to Iceland is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Sioux Falls to Iceland?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Sioux Falls to Iceland with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sioux Falls to Iceland?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Sioux Falls to Iceland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Iceland?

    The cheapest time of day to fly to Iceland is generally in the evening, when round-trip flights cost $771 on average. Morning departures are around 100% cheaper than evening flights, on average. The most expensive time of day to fly to Iceland is generally in the evening, which is peak travel time and where the average cost of a ticket is $771.

Reviews of the top airline flying from Sioux Falls to Iceland

 
Need help choosing which airline to fly with from Sioux Falls to Iceland? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 8924 reviews
7.1Entertainment
6.6Food
7.3Comfort
7.7Boarding
8.1Crew
Airline reviews

Terrible. They wouldn't allow me on my flight on the 14th..

2.0 MediocreJulian, Sep 2025DEN - DRO
Read more United Airlines reviews

Terrible. They wouldn't allow me on my flight on the 14th..

We had to deboard 2 times due to maintenance issues. They changed the plane, and then we got deviated to LAX due to maibtenance issues on the other plane, had to sleep at LAX and los a full day.

Everything was good, except the seats in economy were so close together, you could barely get out when the seat in front of your was reclined. If the airlines keep jamming in more and more seats, it will become intolerable. I will look for another airline that considers customer comfort and does not keep adding more rows of seats for more profit.

The newer screen was super cool and had the option to watch many different shows or movies. Crew was polite and helpful. However again, many children screaming bloody murder and kicking my seat, and parents doing nothing about it as usual.

Flight was good and crew was super polite. However, there were around 5 kids screaming the WHOLE 2 hours. I understand kids have to come but parents need to do something to control their children. They make the experience terrible, especially after finishing 16 hour shifts at the hospital I needed some sleep, which I did not get.

IAD with the archaic people movers is just a place to be avoided.

Great service on board. Boarding a bit slow due to process. Food was pretty average.

Tastless food and too obvious lack of enthusiasm for service in the economy vesus business class

All of the United employees I interacted with were professional and courteous. The aircraft was clean, the food on the flight was good. No complaints here.

I had no checked baggage but was required to hand over carry on baggage at the door of the plane. There was a lot of overboard space in the plane and I was one of the last ones. I ran to get my carry on but it was gone. I was given back at the plane door in Toronto, so the wait was not as long as it would have been at the carousel.

Everything you need to know for your flight from Sioux Falls to Iceland

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