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$295+ Cheap flights from Sioux Falls to Billings (FSD - BIL)

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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — BIL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Sioux Falls to Billings

Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) to Billings (BIL). 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 June 12, 2025.

Round-trip from

$295
(United Airlines)

Popular in

October

Cheapest in

April

Average price

$407
From Sioux Falls Joe Foss Field to Billings Logan Intl
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Highest demand for flights based on searches. 12% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($20 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 Billings

Cheapest flights from Sioux Falls to Billings
Explore the most affordable flight options available from Sioux Falls to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 9/225:06 pmFSD - BIL
1 stop6h 40mUnited Airlines
Wed 9/245:00 amBIL - FSD
1 stop4h 41mUnited Airlines
Deal found 6/11$295
This American Airlines deal was found by Cheapflights users on 6/9. 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 8/287:01 amFSD - BIL
1 stop7h 21mAmerican Airlines
Sun 8/315:49 amBIL - FSD
1 stop5h 28mAmerican Airlines
Deal found 6/9$327
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:30 pmFSD - BIL
1 stop4h 14mDelta
Wed 9/245:45 amBIL - FSD
2 stops8h 43mDelta
Deal found 6/11$332

Cheapflights Fare Finder

Customize your flight search to find flights from Sioux Falls to Billings 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 June 12, 2025.
Use the filters below to find and compare flights from Sioux Falls to Billings that are best for you.

Fly from

Sioux Falls

Fly to

Billings

Route

Depart

Return

Price

Sioux FallsBillings

FSD - BIL

FSDBIL

Sioux Falls Joe Foss Field

Mon 9/22

5:06 pm-10:46 pm

1 stop6h 40m

Billings Logan Intl

Wed 9/24

5:00 am-10:41 am

1 stop4h 41m

$295

Sioux FallsBillings

FSD - BIL

FSDBIL

Sioux Falls Joe Foss Field

Thu 8/28

7:01 am-1:22 pm

1 stop7h 21m

Billings Logan Intl

Sun 8/31

5:49 am-12:17 pm

1 stop5h 28m

$327

Sioux FallsBillings

FSD - BIL

FSDBIL

Sioux Falls Joe Foss Field

Mon 9/22

7:30 pm-10:44 pm

1 stop4h 14m

Billings Logan Intl

Wed 9/24

5:45 am-3:28 pm

2 stops8h 43m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Sioux Falls to Billings

Have a flexible travel schedule? Discover the best time to fly to Billings 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 Billings

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

Currently, January is the cheapest month in which you can book a flight from Sioux Falls to Billings (average of $396). Flying from Sioux Falls to Billings in June is currently the most expensive (average of $517). 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 BIL?

Find hourly flight availability from Sioux Falls to Billings. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s typically best to fly out from Sioux Falls to Billings in the evening. Doing so could potentially save you 49% on the flight price compared to flying in the afternoon, which is usually more expensive.

Rainfall in Billings by month

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

In terms of precipitation, rainfall in Billings ranges from 0.5 - 2.2 inches per month. May is typically the wettest month, when rainfall can reach 2.2 in. January is typically the driest time to visit Billings when rainfall is around 0.5 in.

Temperature in Billings by month

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

If weather is an important factor for your trip to Billings, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

Reviews of airlines servicing Billings

Get insights into the airlines that provide service to Billings. 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 Billings. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

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 Billings. 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 Billings round-trip?

    According to our current data, United Airlines ($295), American Airlines ($327), and Delta ($332) offers the cheapest pricing from Sioux Falls to Billings. United Airlines is currently priced 34% below the average price you’ll pay for this route.

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

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

  • How can I find direct flights from Sioux Falls to Billings?

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

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

    Yes. Cheapflights offers flight deals from Sioux Falls to Billings 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 Billings?

    Currently, January is the cheapest month in which you can book a flight from Sioux Falls to Billings (average of $396). Flying from Sioux Falls to Billings in June is currently the most expensive (average of $517). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Sioux Falls to Billings

Discover the top 2 airlines that operate flights from Sioux Falls to Billings. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$345FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$278Average$407FlexibilityNo cancel feeOn-time69%

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