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

According to our current data, American Airlines ($255), United Airlines ($285), and Delta ($314) offers the cheapest pricing from Sioux Falls to Boise. These flights start at 38% lower than the current average price 3 months from now.

What is the cheapest day to fly from Sioux Falls to Boise?

Travelers seeking maximum savings on their Sioux Falls to Boise flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Sioux Falls to Boise?

It’s generally more expensive to depart on a Friday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, January can be a great choice for travel to Boise. Flights to Boise from Sioux Falls in January are about $414 on average during January, but can be found for as low as $278.

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.

$126+ Flights from Sioux Falls to Boise

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Cheap flight deals from Sioux Falls to Boise

Round-trip from	$255 (American Airlines)
One-way from	$126 (Mytrip)
Popular in	December
Cheapest in	January
Average price	$357

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

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One-way flight from Sioux Falls Joe Foss Field to Boise Air Term. Gowen Fld

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Highest demand for flights based on searches. 13% potential increase in price ($63 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Find flight deals from Sioux Falls to Boise

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 junio 13, 2025.

mar. 9/26:00 amFSD - BOI

1 stop7h 19mAmerican Airlines

jue. 9/111:38 pmBOI - FSD

1 stop6h 41mAmerican Airlines

Deal found 6/10

$255

mié. 9/176:00 amFSD - BOI

2 stops8h 30mUnited Airlines

dom. 9/215:00 amBOI - FSD

1 stop4h 41mUnited Airlines

Deal found 6/11

$285

jue. 7/176:16 pmFSD - BOI

1 stop6h 43mDelta

mar. 7/225:40 amBOI - FSD

1 stop5h 41mDelta

Deal found 6/12

$314

jue. 6/269:33 pmFSD - BOI

1 stop25h 14mMultiple Airlines

lun. 6/309:43 amBOI - FSD

2 stops10h 36mMultiple Airlines

Deal found 6/11

$437

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 junio 13, 2025.

mar. 9/26:00 amFSD - BOI

1 stop7h 19mAmerican Airlines

jue. 9/111:38 pmBOI - FSD

1 stop6h 41mAmerican Airlines

Deal found 6/10

$255

mié. 9/176:00 amFSD - BOI

2 stops8h 30mUnited Airlines

dom. 9/215:00 amBOI - FSD

1 stop4h 41mUnited Airlines

Deal found 6/11

$285

jue. 7/176:16 pmFSD - BOI

1 stop6h 43mDelta

mar. 7/225:40 amBOI - FSD

1 stop5h 41mDelta

Deal found 6/12

$314

jue. 6/269:33 pmFSD - BOI

1 stop25h 14mMultiple Airlines

lun. 6/309:43 amBOI - FSD

2 stops10h 36mMultiple Airlines

Deal found 6/11

$437

Last-minute flights from Sioux Falls to Boise
Discover last-minute flight deals from Sioux Falls to Boise. Data last updated junio 13, 2025 and is based on user searches.

vie. 6/137:23 amFSD - BOI

1 stop6h 21mAmerican Airlines

mar. 6/1711:46 amBOI - FSD

1 stop9h 01mAmerican Airlines

Deal found 6/12

$389

jue. 6/197:59 pmFSD - BOI

1 stop4h 52mDelta

jue. 6/263:00 pmBOI - FSD

1 stop7h 44mDelta

Deal found 6/12

$513

jue. 6/196:00 amFSD - BOI

2 stops10h 59mUnited Airlines

jue. 6/265:00 amBOI - FSD

1 stop17h 37mUnited Airlines

Deal found 6/12

$548

lun. 6/237:23 amFSD - BOI

1 stop6h 21mAmerican Airlines

lun. 6/233:35 pmBOI - FSD

1 stop6h 15mAmerican Airlines

Deal found 6/11

$900

jue. 6/269:33 pmFSD - BOI

1 stop25h 14mMultiple Airlines

lun. 6/309:43 amBOI - FSD

2 stops10h 36mMultiple Airlines

Deal found 6/11

$437

jue. 7/176:16 pmFSD - BOI

1 stop6h 43mDelta

mar. 7/225:40 amBOI - FSD

1 stop5h 41mDelta

Deal found 6/12

$314

vie. 7/185:10 pmFSD - BOI

1 stop6h 17mUnited Airlines

dom. 7/205:42 pmBOI - FSD

1 stop4h 55mUnited Airlines

Deal found 6/12

$325

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 junio 13, 2025.

jue. 7/249:06 pmFSD - BOI

1 stop25h 35mAllegiant Air

Deal found 6/11

$126

vie. 7/1111:57 amFSD - BOI

1 stop7h 55mMultiple Airlines

Deal found 6/11

$220

vie. 7/113:16 pmFSD - BOI

2 stops9h 53mDelta

Deal found 6/11

$276

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsBoise

FSD - BOI

FSDBOI

Sioux Falls Joe Foss Field

mar. 9/2

6:00 am-12:19 pm

1 stop7h 19m

Boise Air Term. Gowen Fld

jue. 9/11

1:38 pm-9:19 pm

1 stop6h 41m

$255

Sioux FallsBoise

FSD - BOI

FSDBOI

Sioux Falls Joe Foss Field

mié. 9/17

6:00 am-1:30 pm

2 stops8h 30m

Boise Air Term. Gowen Fld

dom. 9/21

5:00 am-10:41 am

1 stop4h 41m

$285

Sioux FallsBoise

FSD - BOI

FSDBOI

Sioux Falls Joe Foss Field

jue. 7/17

6:16 pm-11:59 pm

1 stop6h 43m

Boise Air Term. Gowen Fld

mar. 7/22

5:40 am-12:21 pm

1 stop5h 41m

$314

Sioux FallsBoise

FSD - BOI

FSDBOI

Sioux Falls Joe Foss Field

jue. 6/26

9:33 pm-9:47 pm

1 stop25h 14m

Boise Air Term. Gowen Fld

lun. 6/30

9:43 am-9:19 pm

2 stops10h 36m

$437

Sioux FallsBoise

FSD - BOI

FSDBOI

Sioux Falls Joe Foss Field

jue. 7/24

9:06 pm-9:41 pm

1 stop25h 35m

$126

Sioux FallsBoise

FSD - BOI

FSDBOI

Sioux Falls Joe Foss Field

vie. 7/11

11:57 am-6:52 pm

1 stop7h 55m

$220

Sioux FallsBoise

FSD - BOI

FSDBOI

Sioux Falls Joe Foss Field

vie. 7/11

3:16 pm-12:09 am

2 stops9h 53m

$276

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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.

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, October is the cheapest month in which you can book a flight from Sioux Falls to Boise (average of $314). Flying from Sioux Falls to Boise in June is currently the most expensive (average of $395). 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.

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

It’s optimal to fly from Sioux Falls to Boise in the evening. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight at noon.

Rainfall in Boise by month

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.

Temperature in Boise by month

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).

Reviews of airlines servicing Boise

Peruse reviews from past customers who have flown with Delta, United Airlines and Allegiant Air from Sioux Falls to Boise to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,791 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Allegiant Air

7.3

Good

724 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Sioux Falls to Boise round-trip?
According to our current data, American Airlines ($255), United Airlines ($285), and Delta ($314) offers the cheapest pricing from Sioux Falls to Boise. These flights start at 38% 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, October is the cheapest month in which you can book a flight from Sioux Falls to Boise (average of $314). Flying from Sioux Falls to Boise in June is currently the most expensive (average of $395). 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

Nampa

Meridian

Ontario

McCall

Caldwell

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Other flights to Boise

Top 2 airlines flying from Sioux Falls to Boise

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$195	Average$308	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$286	Average$444	FlexibilityNo cancel fee	On-time69%

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$126+ Cheap flights from Sioux Falls to Boise (FSD - BOI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/24. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Sioux Falls to Boise

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 junio 13, 2025.

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 junio 13, 2025.

Cheapflights Fare Finder

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

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

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?

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

Find hourly flight availability from Sioux Falls to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 13, 2025.

Rainfall in Boise by month

Plan your trip to Boise by taking into account the average rainfall totals by month.

Temperature in Boise by month

Plan your trip to Boise by taking into account the average temperature totals by month.

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 junio 13, 2025.

Peruse reviews from past customers who have flown with Delta, United Airlines and Allegiant Air from Sioux Falls to Boise to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Sioux Falls to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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 Sioux Falls?

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Alternative routes for Sioux Falls to Boise

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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 junio 13, 2025.