How long is the flight from Sioux Falls to Boise?

There are many flights that can get you from Sioux Falls to Boise in 4h 34m. Fly via Delta, United Airlines, or American Airlines to get the fastest option. There are 972 mi between Sioux Falls and Boise. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Sioux Falls to Boise round-trip?

According to our current data, Delta ($278), and United Airlines ($278) offers the cheapest pricing from Sioux Falls to Boise. These flights start at 48% lower than the current average price 3 months from now.

In terms of precipitation, rainfall in Boise ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

If weather is an important factor for your trip to Boise, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

What is the cheapest time of day to fly from FSD to BOI?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sioux Falls to Boise as you normally would.

Most accurate provider : When it comes to deals on Sioux Falls-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux Falls-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux Falls-Boise flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Sioux Falls-Boise 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-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Sioux Falls to Boise that include hotel bookings?

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

How can I find direct flights from Sioux Falls to Boise?

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

Can I find deals for business class flights from Sioux Falls to Boise?

Yes. Cheapflights offers flight deals from Sioux Falls to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$329+ Cheap Flights from Sioux Falls to Boise

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Cheap flight deals from Sioux Falls to Boise

Cheapest

Best

Last-minute

One-way

Cheapest flights from Sioux Falls to Boise
Explore the most affordable flight options available from Sioux Falls to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.

Fri 10/305:00 pm -

1 stop7h 59m

Sat 11/145:15 am -

1 stop6h 02m

Deal found 8/17

$329

Thu 10/86:00 am -

1 stop4h 34m

Wed 10/145:00 am -

1 stop4h 50m

Deal found 8/18

$359

Thu 9/106:50 pm -

1 stop4h 50m

Sun 9/135:40 pm -

1 stop5h 04m

Deal found 8/17

$360

Sat 9/58:30 am -

1 stop5h 54m

Wed 9/91:52 pm -

1 stop9h 01m

Deal found 8/21

$377

Wed 9/21:33 pm -

1 stop5h 25m

Sun 9/65:44 pm -

1 stop5h 00m

Deal found 8/18

$379

Sat 9/51:33 pm -

2 stops8h 51m

Wed 9/92:41 pm -

1 stop4h 26m

Deal found 8/21

$382

Thu 9/101:33 pm -

1 stop5h 25m

Mon 9/145:40 pm -

1 stop5h 04m

Deal found 8/19

$409

Sat 10/247:50 am -

2 stops10h 53m

Wed 10/285:00 am -

1 stop6h 35m

Deal found 8/20

$414

Thu 8/277:30 am -

1 stop7h 29m

Mon 8/311:55 pm -

1 stop8h 53m

Deal found 8/17

$424

Best flights from Sioux Falls to Boise
Discover carefully curated flight deals from Sioux Falls to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.

Fri 10/305:00 pm -

1 stop7h 59m

Sat 11/145:15 am -

1 stop6h 02m

Deal found 8/21

$329

Thu 9/106:50 pm -

1 stop4h 50m

Sun 9/135:40 pm -

1 stop5h 04m

Deal found 8/17

$360

Wed 9/21:33 pm -

1 stop5h 25m

Sun 9/65:44 pm -

1 stop5h 00m

Deal found 8/19

$379

Thu 9/101:33 pm -

1 stop5h 25m

Mon 9/145:40 pm -

1 stop5h 04m

Deal found 8/20

$409

Last-minute flights from Sioux Falls to Boise
Discover last-minute flight deals from Sioux Falls to Boise. Data last updated August 22, 2026 and is based on user searches.

Thu 8/277:30 am -

1 stop7h 29m

Mon 8/311:55 pm -

1 stop8h 53m

Deal found 8/17

$424

Wed 9/21:33 pm -

1 stop5h 25m

Sun 9/65:44 pm -

1 stop5h 00m

Deal found 8/18

$379

Sat 9/58:30 am -

1 stop5h 54m

Wed 9/91:52 pm -

1 stop9h 01m

Deal found 8/21

$377

Sat 9/51:33 pm -

2 stops8h 51m

Wed 9/92:41 pm -

1 stop4h 26m

Deal found 8/21

$382

Sat 9/51:26 pm -

2 stops10h 20m

Wed 9/91:06 pm -

2 stops8h 45m

Deal found 8/21

$467

Thu 9/106:50 pm -

1 stop4h 50m

Sun 9/135:40 pm -

1 stop5h 04m

Deal found 8/17

$360

Thu 9/101:33 pm -

1 stop5h 25m

Mon 9/145:40 pm -

1 stop5h 04m

Deal found 8/19

$409

Thu 9/1710:02 pm -

1 stop16h 53m

Sun 9/202:50 pm -

2 stops28h 17m

Deal found 8/19

$461

Find flight deals from Sioux Falls to Boise

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$329 (Delta)
Popular in	May
Cheapest in	June
Average price	$368

Provider with most accurate pricing for Sioux Falls Joe Foss Field-Boise Air Term. Gowen Fld flight deals.

Search Deals

Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Boise Air Term. Gowen Fld flights.

Search Deals

From Sioux Falls Joe Foss Field to Boise Air Term. Gowen Fld

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($82 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 9% potential price decrease ($48 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux FallsBoise

FSD Sioux Falls Joe Foss Field - BOI Boise Air Term. Gowen Fld

FSDBOI

Sioux Falls Joe Foss Field

Fri 10/30

5:00 pm-11:59 pm

1 stop7h 59m

Boise Air Term. Gowen Fld

Sat 11/14

5:15 am-12:17 pm

1 stop6h 02m

$329

Quickest round-trip

Sioux FallsBoise

FSD Sioux Falls Joe Foss Field - BOI Boise Air Term. Gowen Fld

FSDBOI

Sioux Falls Joe Foss Field

Thu 9/10

6:50 pm-10:40 pm

1 stop4h 50m

Boise Air Term. Gowen Fld

Sun 9/13

5:40 pm-11:44 pm

1 stop5h 04m

$360

Sioux FallsBoise

FSD Sioux Falls Joe Foss Field - BOI Boise Air Term. Gowen Fld

FSDBOI

Sioux Falls Joe Foss Field

Wed 9/2

1:33 pm-5:58 pm

1 stop5h 25m

Boise Air Term. Gowen Fld

Sun 9/6

5:44 pm-11:44 pm

1 stop5h 00m

$379

Sioux FallsBoise

FSD Sioux Falls Joe Foss Field - BOI Boise Air Term. Gowen Fld

FSDBOI

Sioux Falls Joe Foss Field

Thu 9/10

1:33 pm-5:58 pm

1 stop5h 25m

Boise Air Term. Gowen Fld

Mon 9/14

5:40 pm-11:44 pm

1 stop5h 04m

$409

Cheapest one-way

Quickest one-way

Sioux FallsBoise

FSD Sioux Falls Joe Foss Field - BOI Boise Air Term. Gowen Fld

FSDBOI

Sioux Falls Joe Foss Field

Thu 9/3

6:00 am-3:31 pm

2 stops10h 31m

$413

Sioux FallsBoise

FSD Sioux Falls Joe Foss Field - BOI Boise Air Term. Gowen Fld

FSDBOI

Sioux Falls Joe Foss Field

Thu 9/3

10:02 pm-11:44 pm

3 stops26h 42m

$773

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Sorted by cheapest first

Compare providers for flights from Sioux Falls to Boise

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sioux Falls to Boise in August.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 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-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux Falls-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux Falls-Boise flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Sioux Falls-Boise 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-Boise 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 Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Sioux Falls with our price prediction graph.

FSD-BOI

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.

Cheapflights Insights

Everything you need to know about your flight from Sioux Falls to Boise

What is the cheapest month to book a flight from Sioux Falls to Boise?

Currently, June is the cheapest month in which you can book a flight from Sioux Falls to Boise (average of $278). Flying from Sioux Falls to Boise in May is currently the most expensive (average of $1,059). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Sioux Falls to Boise?

Airfare is below average for this route at the moment.

Sioux Falls to Boise flights typically cost between $382 and $616 in October.
The cheapest round-trip price found within the last 5 days was $329 on Delta (Oct 30-Nov 14).

Reviews of airlines servicing Boise

Read reviews from past customers who have flown Delta and United Airlines from Sioux Falls to Boise. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.8

Good

8,517 reviews

Reviews

1 / 20

10.0

Excellent

Salvador,Aug 2026

PHL - DTW

No food and entertainment. Also de aircraft is old and noisy.

Delta

7.8

Good

8,517 reviews

Delta

7.8

Good

8,517 reviews

Reviews

1 / 20

10.0

Excellent

Salvador,Aug 2026

PHL - DTW

No food and entertainment. Also de aircraft is old and noisy.

United Airlines

7.4

Good

10,112 reviews

Delta

7.8

Good

8,517 reviews

Reviews

1 / 20

10.0

Excellent

Salvador,Aug 2026

PHL - DTW

No food and entertainment. Also de aircraft is old and noisy.

Related info for your journey

How long is the flight from Sioux Falls to Boise?
There are many flights that can get you from Sioux Falls to Boise in 4h 34m. Fly via Delta, United Airlines, or American Airlines to get the fastest option. There are 972 mi between Sioux Falls and Boise. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from Sioux Falls to Boise round-trip?
According to our current data, Delta ($278), and United Airlines ($278) offers the cheapest pricing from Sioux Falls to Boise. These flights start at 48% lower than the current average price 3 months from now.
Can I find deals for flights from Sioux Falls to Boise that include hotel bookings?
Yes. In addition to deals on Sioux Falls to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sioux Falls to Boise?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to Boise.
Can I find deals for business class flights from Sioux Falls to Boise?
Yes. Cheapflights offers flight deals from Sioux Falls to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Sioux Falls to Boise?
Currently, June is the cheapest month in which you can book a flight from Sioux Falls to Boise (average of $278). Flying from Sioux Falls to Boise in May is currently the most expensive (average of $1,059). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Ontario

Meridian

Nampa

Caldwell

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Alternative routes

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Top 2 airlines flying from Sioux Falls to Boise

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$278	Average$443	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$278	Average$489	FlexibilityNo cancel fee	On-time69%

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$329+ Cheap flights from Sioux Falls to Boise (FSD - BOI)

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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sioux Falls to Boise with Cheapflights

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Cheap flight deals from Sioux Falls to Boise

Cheapest flights from Sioux Falls to BoiseExplore the most affordable flight options available from Sioux Falls to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.

Explore the most affordable flight options available from Sioux Falls to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.

Best flights from Sioux Falls to BoiseDiscover carefully curated flight deals from Sioux Falls to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.

Discover carefully curated flight deals from Sioux Falls to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.

Last-minute flights from Sioux Falls to BoiseDiscover last-minute flight deals from Sioux Falls to Boise. Data last updated August 22, 2026 and is based on user searches.

Discover last-minute flight deals from Sioux Falls to Boise. Data last updated August 22, 2026 and is based on user searches.

One-way flights from Sioux Falls to BoiseSearch for one-way flight options from Sioux Falls to Boise. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.

Search for one-way flight options from Sioux Falls to Boise. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.

Find flight deals from Sioux Falls to Boise

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Most trusted provider

Round-trip from

Popular in

Cheapest in

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Sioux Falls to Boise that are best for you.

Compare providers for flights from Sioux Falls to Boise

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 Boise in August.

Best time to book a flight from Sioux Falls to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Sioux Falls with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Sioux Falls to Boise?

How much does it cost to fly round-trip from Sioux Falls to Boise?

Airfare is below average for this route at the moment.

Sioux Falls to Boise flights typically cost between $382 and $616 in October.The cheapest round-trip price found within the last 5 days was $329 on Delta (Oct 30-Nov 14).

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boise. Reviews last updated August 22, 2026.

Read reviews from past customers who have flown Delta and United Airlines from Sioux Falls to Boise. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Sioux Falls to Boise?

What are the cheapest airlines flying from Sioux Falls to Boise round-trip?

Can I find deals for flights from Sioux Falls to Boise that include hotel bookings?

How can I find direct flights from Sioux Falls to Boise?

Can I find deals for business class flights from Sioux Falls to Boise?

What is the cheapest month to book a flight from Sioux Falls to Boise?

Traveling to a place near Boise?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sioux Falls to Boise

See prices for flight routes from nearby airports that may be better suited for you.

Other flights to Boise

Explore flights to Boise departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 22, 2026.

Complete your trip

Complete your trip to Boise by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Sioux Falls to Boise by cabin class

Find flights from Sioux Falls to Boise, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Sioux Falls and Boise flights

Browse other Sioux Falls and Boise flight options. Last updated on August 22, 2026.

Other flights from Sioux Falls

Browse through other flights departing from Sioux Falls. Flights are based on user searches made on Cheapflights and were last updated on August 22, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Top 2 airlines flying from Sioux Falls to Boise

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Cheapest flights from Sioux Falls to Boise
Explore the most affordable flight options available from Sioux Falls to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.

Best flights from Sioux Falls to Boise
Discover carefully curated flight deals from Sioux Falls to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.

Last-minute flights from Sioux Falls to Boise
Discover last-minute flight deals from Sioux Falls to Boise. Data last updated August 22, 2026 and is based on user searches.

One-way flights from Sioux Falls to Boise
Search for one-way flight options from Sioux Falls to Boise. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.

Sioux Falls to Boise flights typically cost between $382 and $616 in October.
The cheapest round-trip price found within the last 5 days was $329 on Delta (Oct 30-Nov 14).