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

According to our current data, United Airlines ($249), Delta ($329), and American Airlines ($350) offers the cheapest pricing from Sioux Falls to Billings. United Airlines is currently priced 44% below the average price you’ll pay for this route.

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

Travelers seeking maximum savings on their Sioux Falls to Billings flight should consider departing on Friday mornings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

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

Friday flights are found to be more expensive to fly from Sioux Falls to Billings. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Billings.

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

Our data shows that April tends to be the cheapest month to fly to Billings from Sioux Falls. Users have commonly found prices around $446 for the month, but tickets can be as low as $272. Due to multiple factors, prepare for potentially higher prices in October.

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.

$181+ Flights from Sioux Falls to Billings

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Cheap flight deals from Sioux Falls to Billings

Round-trip from	$249 (United Airlines)
One-way from	$181 (United Airlines)
Popular in	October
Cheapest in	April
Average price	$344

From Sioux Falls Joe Foss Field to Billings Logan Intl

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One-way flight from Sioux Falls Joe Foss Field to Billings Logan Intl

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Highest demand for flights based on searches. 11% potential increase in price ($60 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 29, 2025.

Fri 9/55:06 pmFSD - BIL

1 stop6h 40mUnited Airlines

Thu 9/114:15 pmBIL - FSD

1 stop6h 25mUnited Airlines

Deal found 7/26

$249

Sat 9/1310:48 amFSD - BIL

2 stops7h 51mDelta

Sat 9/206:25 amBIL - FSD

1 stop4h 46mDelta

Deal found 7/26

$329

Fri 10/36:00 amFSD - BIL

1 stop6h 49mAmerican Airlines

Mon 10/61:54 pmBIL - FSD

1 stop6h 19mAmerican Airlines

Deal found 7/28

$350

Best flights from Sioux Falls to Billings
Discover carefully curated flight deals from Sioux Falls to Billings that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Fri 9/55:06 pmFSD - BIL

1 stop6h 40mUnited Airlines

Thu 9/114:15 pmBIL - FSD

1 stop6h 25mUnited Airlines

Deal found 7/26

$249

Sat 9/1310:48 amFSD - BIL

2 stops7h 51mDelta

Sat 9/206:25 amBIL - FSD

1 stop4h 46mDelta

Deal found 7/26

$329

Fri 10/36:00 amFSD - BIL

1 stop6h 49mAmerican Airlines

Mon 10/61:54 pmBIL - FSD

1 stop6h 19mAmerican Airlines

Deal found 7/28

$350

Last-minute flights from Sioux Falls to Billings
Discover last-minute flight deals from Sioux Falls to Billings. Data last updated July 29, 2025 and is based on user searches.

Fri 8/86:49 pmFSD - BIL

1 stop4h 58mUnited Airlines

Sun 8/105:00 amBIL - FSD

1 stop4h 42mUnited Airlines

Deal found 7/28

$470

Fri 8/86:16 pmFSD - BIL

2 stops6h 51mDelta

Sun 8/105:20 amBIL - FSD

2 stops8h 16mDelta

Deal found 7/28

$1,165

Wed 8/135:10 pmFSD - BIL

1 stop6h 37mUnited Airlines

Sun 8/177:00 amBIL - FSD

1 stop5h 20mUnited Airlines

Deal found 7/28

$407

Wed 8/132:30 pmFSD - BIL

2 stops9h 04mDelta

Sun 8/176:30 amBIL - FSD

1 stop6h 20mDelta

Deal found 7/28

$599

One-way flights from Sioux Falls to Billings
Search for one-way flight options from Sioux Falls to Billings. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Wed 9/109:16 amFSD - BIL

1 stop5h 01mUnited Airlines

Deal found 7/26

$181

Wed 9/102:30 pmFSD - BIL

2 stops9h 17mDelta

Deal found 7/26

$244

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsBillings

FSD - BIL

FSDBIL

Sioux Falls Joe Foss Field

Fri 9/5

5:06 pm-10:46 pm

1 stop6h 40m

Billings Logan Intl

Thu 9/11

4:15 pm-11:40 pm

1 stop6h 25m

$249

Sioux FallsBillings

FSD - BIL

FSDBIL

Sioux Falls Joe Foss Field

Sat 9/13

10:48 am-5:39 pm

2 stops7h 51m

Billings Logan Intl

Sat 9/20

6:25 am-12:11 pm

1 stop4h 46m

$329

Sioux FallsBillings

FSD - BIL

FSDBIL

Sioux Falls Joe Foss Field

Fri 10/3

6:00 am-11:49 am

1 stop6h 49m

Billings Logan Intl

Mon 10/6

1:54 pm-9:13 pm

1 stop6h 19m

$350

Sioux FallsBillings

FSD - BIL

FSDBIL

Sioux Falls Joe Foss Field

Wed 9/10

9:16 am-1:17 pm

1 stop5h 01m

$181

Sioux FallsBillings

FSD - BIL

FSDBIL

Sioux Falls Joe Foss Field

Wed 9/10

2:30 pm-10:47 pm

2 stops9h 17m

$244

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

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 $512). 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?

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.

Reviews of airlines servicing Billings

Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Sioux Falls to Billings by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,979 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

7,979 reviews

Delta

8.0

Very good

7,979 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

8,896 reviews

Delta

8.0

Very good

7,979 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

7,979 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 Billings round-trip?
According to our current data, United Airlines ($249), Delta ($329), and American Airlines ($350) offers the cheapest pricing from Sioux Falls to Billings. United Airlines is currently priced 44% 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 $512). 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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Other flights to Billings

Top 2 airlines flying from Sioux Falls to Billings

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$248	Average$448	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$278	Average$407	FlexibilityNo cancel fee	On-time69%

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$181+ Cheap flights from Sioux Falls to Billings (FSD - BIL)

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sioux Falls to Billings 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 Billings

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Sioux Falls to Billings

Cheapest flights from Sioux Falls to BillingsExplore 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 July 29, 2025.

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 July 29, 2025.

Cheapflights Fare Finder

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

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.

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?

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 July 29, 2025.

Reviews of airlines servicing Billings

Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Sioux Falls to Billings by reading reviews from past customers. Users have also rated airlines 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 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?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sioux Falls to Billings

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

Top 2 airlines flying from Sioux Falls to Billings

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Book with Flexibility

Travel Smart

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 July 29, 2025.