$126 Find Cheap Flights from Sioux Falls to Idaho

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Sioux Falls to Idaho departing on 10/7. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Idaho

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sioux Falls to Idaho, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sioux Falls to Idaho, as well as popular online travel agencies
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Cheap Flights from Sioux Falls to Idaho

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Boise
Boise1 stop$269
Hailey
Hailey1 stop$229
Spokane
Spokane1 stop$251
Boise
Boise1 stop$269
Hailey
Hailey1 stop$229
Spokane
Spokane1 stop$251

Book Cheap Sioux Falls to Idaho 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 Idaho 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 Idaho

ven., nov. 14 - mar., nov. 18
American Airlines Logo
6:30 am - 12:16 pmFSD-JAC
6h 46m1 stop
American Airlines Logo
1:06 pm - 9:10 pmJAC-FSD
7h 04m1 stop
$229American Airlines
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ven., oct. 31 - lun., nov. 3
United Airlines Logo
8:47 am - 1:40 pmFSD-SUN
5h 53m1 stop
United Airlines Logo
2:43 pm - 8:31 pmSUN-FSD
4h 48m1 stop
$229United Airlines
Find Deal
mer., sept. 24 - sam., sept. 27
United Airlines Logo
9:16 am - 12:36 pmFSD-GEG
5h 20m1 stop
United Airlines Logo
4:00 pm - 11:15 pmGEG-FSD
5h 15m1 stop
$251United Airlines
Find Deal
mer., sept. 24 - sam., sept. 27
Delta Logo
5:00 am - 12:37 pmFSD-GEG
9h 37m2 stops
Delta Logo
6:10 am - 3:26 pmGEG-FSD
7h 16m1 stop
$256Delta
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ven., oct. 31 - lun., nov. 3
American Airlines Logo
2:50 pm - 7:37 pmFSD-BOI
5h 47m1 stop
American Airlines Logo
2:06 pm - 11:43 pmBOI-FSD
8h 37m1 stop
$269American Airlines
Find Deal
jeu., oct. 30 - mar., nov. 4
Delta Logo
5:20 am - 12:09 pmFSD-SUN
7h 49m2 stops
Delta Logo
7:30 am - 7:16 pmSUN-FSD
10h 46m2 stops
$279Delta
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ven., nov. 14 - mar., nov. 18
United Airlines Logo
8:47 am - 1:17 pmFSD-JAC
5h 30m1 stop
United Airlines Logo
10:45 am - 9:46 pmJAC-FSD
10h 01m2 stops
$281United Airlines
Find Deal
lun., sept. 22 - sam., sept. 27
United Airlines Logo
5:06 pm - 9:03 pmFSD-GEG
5h 57m1 stop
United Airlines Logo
5:05 am - 12:51 pmGEG-FSD
5h 46m1 stop
$284United Airlines
Find Deal
mer., sept. 24 - sam., sept. 27
Alaska Airlines Logo
6:00 am - 3:52 pmFSD-GEG
11h 52m2 stops
Alaska Airlines Logo
5:06 am - 6:12 pmGEG-FSD
11h 06m2 stops
$463Alaska Airlines
Find Deal
ven., oct. 17 - dim., oct. 19
Alaska Airlines Logo
12:31 pm - 12:27 amFSD-GEG
13h 56m2 stops
Alaska Airlines Logo
8:54 pm - 12:01 pmGEG-FSD
13h 07m2 stops
$697Alaska Airlines
Find Deal
Booking Insights

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

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

How much is a round-trip flight from Sioux Falls to Idaho?

What is the cheapest month to fly from Sioux Falls to Idaho?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Sioux Falls to Idaho, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Sioux Falls to Idaho is January, when tickets cost $283 (return) on average. On the other hand, the most expensive months are December and August, when the average cost of round-trip tickets is $740 and $510 respectively.

What’s the cheapest day of the week to fly from Sioux Falls to Idaho?

The average price of all round-trip flights from Sioux Falls to Idaho clicked on KAYAK for each day over the last 12 months.

When flying from Sioux Falls to Idaho, you should consider leaving on a Saturday and avoid Sundays if you are looking for the best rates. For your return to Sioux Falls, you’ll find the best rates on Saturdays and the most expensive ones on Mondays.

Good to know

Low seasonMay
Cheapest flight$126
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly with an average 14% increase in price.
Flight from Sioux Falls to Spokane

FAQs - booking Idaho flights

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

    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 Idaho.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Sioux Falls to Idaho 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 Idaho?

    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 Idaho 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 Idaho?

    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 Idaho 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 Idaho?

    The cheapest time of day to fly to Idaho is generally at night, when round-trip flights cost $321 on average. Morning departures are around 25% more expensive than evening flights, on average. The most expensive time of day to fly to Idaho is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $484.

Reviews of the top airlines flying from Sioux Falls to Idaho

 
See real verified KAYAK customer reviews for airlines flying from Sioux Falls to Idaho. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Sioux Falls to Idaho? 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.
7.9
DeltaOverall score based on 7979 reviews
7.9Entertainment
7.3Food
8.2Boarding
7.9Comfort
8.5Crew
Airline reviews

This route with Delta always has delays or is cancelled. Aircrafts seem smaller and older. I fly Delta quite a bit - haven’t had issues with the international flights. But this route has always been the troublesome one

4.0 Okaypuravi, Aug 2025LGA - STL
Read more Delta reviews

This route with Delta always has delays or is cancelled. Aircrafts seem smaller and older. I fly Delta quite a bit - haven’t had issues with the international flights. But this route has always been the troublesome one

Three seats in first class were broken and while they were able to still acommodate us it was looking very touch and go and they had others they could not acommodate

Mechanic delay in addition to a 2 hour change in takeoff time was frustrating.

Delayed due to thunderstorms and no in-flight service due to rough weather — both of which are out of Delta’s control. Flight was good overall.

The flight attendants in SLC were rude. I arrived 40 minutes early to gate. Ticket said I needed check in for seat assignments and tried check in and attendants said they weren’t doing it. And proceeded to never call me to give me a ticket so when time to board I received the very last seat. Please relay to employees to do their job better..,

On this flight I felt the food offering was not as complete as on previous flights. The tomato salad was a bit off and there was nothing additional such a bread or butter. The breakfast was only one option, so you either ate what they had or ate nothing. The crew was efficient, but most seemed frustrated throughout the flight. The flight arrived early and was obstacle-free, so I’m overall quite happy, but the shine in the rest of the experience just wasn’t there.

The seats got pretty uncomfortable pretty fast. The armrests are bigger than on other planes, so I had less room in the actual seat. My butt hurt by the end of the flight. :/ comfort was the primary issue. The crew were fantastic!

I believe that a four-hour trip should have a meal. Delta had none.

Great flight with Delta! Boarding was quick and easy, the amenities were solid, and the plane was in great shape. The flight attendants had a fun, lively energy while staying professional. All in all, a smooth trip — even managed to catch up on some rest. Thanks, Delta!

I was uncomfortably cold on the plane. Other than that it was uneventful and therefore as enjoyable as a plane ride can be.

Armrest controller on my seat 35D and nextbooennseat 35E did not work right. Hard to press buttons to recognize and 35D had constantnpressure either upmost down somit was nearly impossible to make selections. .

I flew with my dog and had already purchased my dog’s ticket. Even that morning I had called costumer service to insure that my husband and I had seats together since the website was giving me an error when choosing our seats and the representative mentioned our dog. I showed up early to the airport and when I got to the gate and we started boarding I was help back and told that I was supposed to have a yellow tag and that I should have checked in at the counter for them to give me that tag. I was not aware of this, the representative on the phone did not say anything. Nor did I see it anywhere in the checking process online, so if you travel with a pet and are not checking in luggage, just know that you still have to go to the check in counter when arriving at the airport unless you want to be the last one to board and not have room for your carry on in the overhead bins. Other than that, I had a great experience.

Once we got in the air the pilot made up some of the time of the delay. So that was really nice.

I understand stuff happens, but plane failures are likely due to lack of maintenance. Additionally, air conditioning wasn't working, no snack/drink service, no WiFi. Fortunately, the crew was communicative and light-hearted. United grabbed another plane and we were able to get to our destination.

There was no food available for this red eye... one little waffle cookie for a 6+ hour flight... thank God I was able to sleep some

It is clear that someone knew, and competent, is in charge of food at United Airlines at least for the international flights. I was flying in coach, but the choices of the dinner were excellent. Tasty, and appropriate size. I had the beef, which was a little bit like a shepherds pie, and it was good. Nothing comparable has been served on a United flight in years. It will not be confused with three star food, but it is very good for airline food. Even better was the breakfast choice between a cinnamon roll and a breakfast sandwich. I chose the breakfast sandwich which was absolutely delicious and which I would happily order again at my local Starbucks or Panera. It is clear that someone knew indifferent is in charge of the food and it’s about time.

The flight was comfortable with the exit row and great service

Had to cancel first flight because Airporter Bus took over 3 hrs to get to airport which resulted in an extra $378 dollar fare . Is there anyway I can be reimbursed for initial fare since it was not my fault? Sent from my iPhone EJ Ledet

Plane was crowded and even when we hit altitude, the plane was hot, not enough air flow.

Flight attendant in first class gave poor service (like he didn't want to be there) and food was awful. We sat waiting for gate upon arrival over 45 mins.

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

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