$137 Find Cheap Flights from Sioux Falls to Idaho - Compare and Save

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 8/24. 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, 0 bags

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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$329
Hailey
Hailey1 stop$425
Spokane
Spokane1 stop$329
Boise
Boise1 stop$329
Hailey
Hailey1 stop$425
Spokane
Spokane1 stop$329

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

Fri, Aug 28 - Fri, Sep 4
Delta Logo
8:22 am - 12:57 pm
FSD
-
GEG
6h 35m
1 stop
Delta Logo
2:05 pm - 10:51 pm
GEG
-
FSD
6h 46m
1 stop
$329Delta
Sat, Aug 29 - Sat, Sep 5
Delta Logo
1:26 pm - 7:24 pm
FSD
-
GEG
7h 58m
1 stop
Delta Logo
2:05 pm - 10:51 pm
GEG
-
FSD
6h 46m
1 stop
$329Delta
Fri, Aug 21 - Mon, Aug 24
United Airlines Logo
1:33 pm - 5:58 pm
FSD
-
BOI
5h 25m
1 stop
United Airlines Logo
5:00 am - 10:43 am
BOI
-
FSD
4h 43m
1 stop
$329United Airlines
Fri, Nov 6 - Sun, Nov 8
American Airlines Logo
1:08 pm - 8:40 pm
FSD
-
GEG
9h 32m
1 stop
American Airlines Logo
1:46 pm - 11:49 pm
GEG
-
FSD
8h 03m
1 stop
$329American Airlines
Wed, Oct 28 - Sat, Oct 31
American Airlines Logo
6:03 am - 11:59 am
FSD
-
GEG
7h 56m
1 stop
American Airlines Logo
6:00 am - 5:20 pm
GEG
-
FSD
9h 20m
1 stop
$329American Airlines
Sat, Aug 29 - Sat, Sep 5
Delta Logo
1:26 pm - 7:24 pm
FSD
-
GEG
7h 58m
1 stop
Delta Logo
2:05 pm - 10:51 pm
GEG
-
FSD
6h 46m
1 stop
$329Delta
Sat, Aug 29 - Sat, Sep 5
American Airlines Logo
8:30 am - 2:09 pm
FSD
-
GEG
7h 39m
1 stop
American Airlines Logo
5:20 am - 1:40 pm
GEG
-
FSD
6h 20m
1 stop
$329American Airlines
Sat, Aug 29 - Sat, Sep 5
United Airlines Logo
7:47 am - 3:11 pm
FSD
-
GEG
9h 24m
2 stops
United Airlines Logo
3:54 pm - 11:44 pm
GEG
-
FSD
5h 50m
1 stop
$334United Airlines
Thu, Nov 5 - Sun, Nov 8
Multiple Airlines Logo
11:48 am - 7:13 pm
FSD
-
GEG
9h 25m
1 stop
Multiple Airlines Logo
7:28 pm - 7:53 pm
GEG
-
FSD
22h 25m
2 stops
$397Multiple Airlines
Thu, Oct 15 - Mon, Oct 19
Alaska Airlines Logo
12:11 pm - 11:55 pm
FSD
-
GEG
13h 44m
2 stops
Alaska Airlines Logo
7:19 am - 12:31 am
GEG
-
FSD
15h 12m
2 stops
$811Alaska Airlines
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?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Sioux Falls to Idaho departing in October.

Flight prices are below average for this route right now.

Flights to Idaho from Sioux Falls usually cost between $358 and $424 in October.
The lowest price found in the past 5 days was $329 on Delta (Oct 30-Nov 14).

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 June, when tickets cost $278 (return) on average. On the other hand, the most expensive months are May and November, when the average cost of round-trip tickets is $1,059 and $733 respectively.

Find deals

Good to know

Low season

May

Cheapest flight

$137
Best time to beat the crowds but there is an average 52% increase in price.
Most popular time to fly with an average 8% increase in price.
Flight from Sioux Falls to Boise

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.

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

Information on your arrival and departure airports

Sioux Falls (FSD)