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$251+ 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — BOI
May 17 — May 241
Sat 5/17
Sat 5/24
1 adult, Economy
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1. Tell us where you want to go

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Cheap flight deals from Sioux Falls to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$251
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$423
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Boise Air Term. Gowen Fld flights.
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From Sioux Falls Joe Foss Field to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 12% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 12, 2025.

This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/109:25 amFSD - BOI
1 stop5h 07mUnited Airlines
Tue 6/245:43 pmBOI - FSD
1 stop5h 01mUnited Airlines
Deal found 5/11$251
This Delta deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/173:16 pmFSD - BOI
2 stops9h 53mDelta
Tue 7/225:20 amBOI - FSD
1 stop6h 01mDelta
Deal found 5/12$260
This American Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/175:11 pmFSD - BOI
1 stop7h 05mAmerican Airlines
Tue 7/2211:44 amBOI - FSD
1 stop9h 17mAmerican Airlines
Deal found 5/12$274

Cheapflights Fare Finder

Customize your flight search to find flights from Sioux Falls to Boise that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 12, 2025.
Use the filters below to find and compare flights from Sioux Falls to Boise that are best for you.

Fly from

Sioux Falls

Fly to

Boise

Route

Depart

Return

Price

Sioux FallsBoise

FSD - BOI

FSDBOI

Sioux Falls Joe Foss Field

Tue 6/10

9:25 am-1:32 pm

1 stop5h 07m

Boise Air Term. Gowen Fld

Tue 6/24

5:43 pm-11:44 pm

1 stop5h 01m

$251

Sioux FallsBoise

FSD - BOI

FSDBOI

Sioux Falls Joe Foss Field

Thu 7/17

3:16 pm-12:09 am

2 stops9h 53m

Boise Air Term. Gowen Fld

Tue 7/22

5:20 am-12:21 pm

1 stop6h 01m

$260

Sioux FallsBoise

FSD - BOI

FSDBOI

Sioux Falls Joe Foss Field

Thu 7/17

5:11 pm-11:16 pm

1 stop7h 05m

Boise Air Term. Gowen Fld

Tue 7/22

11:44 am-10:01 pm

1 stop9h 17m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 Expedia the most. Expedia 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.
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 $399). 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?

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 May 12, 2025.

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

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

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

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 May 12, 2025.
Delta
8.0
Very good
7,950 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

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

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

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
8,724 reviews
Delta
8.0
Very good
7,950 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

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

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

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

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?

    According to our current data, United Airlines ($251), Delta ($260), and American Airlines ($274) offers the cheapest pricing from Sioux Falls to Boise. These flights start at 39% 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 $399). 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

Traveling to a place near Sioux Falls?

Book flights to Sioux Falls if you plan to visit one of these locations
Nampa
Meridian
McCall
Caldwell
Ontario

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Top 2 airlines flying from Sioux Falls to Boise

Discover the top 2 airlines that operate flights from Sioux Falls to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$195Average$308FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$286Average$446FlexibilityNo cancel feeOn-time69%

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