HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Austin

$266+ Cheap flights from Billings to Austin (BIL - AUS)

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — AUS
Okt 29 — Nov 51
Mi 10/29
Mi 11/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Billings to Austin with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Billings to Austin

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to Austin (AUS). 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 September 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$332
(Alaska Airlines)

One-way from

$266
(United Airlines)

Popular in

August

Cheapest in

February

Average price

$429
Provider with most accurate pricing for Billings Logan Intl-Austin Bergstrom flight deals.
Search Deals
Provider most trusted by Cheapflights users for Billings Logan Intl-Austin Bergstrom flights.
Search Deals
From Billings Logan Intl to Austin Bergstrom
Search Deals
One-way flight from Billings Logan Intl to Austin Bergstrom
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Billings to Austin

Cheapest flights from Billings to Austin
Explore the most affordable flight options available from Billings to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 29, 2025.

This American Airlines deal was found by Cheapflights users on 9/28. 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.
Di 10/211:54 pmBIL - AUS
1 stop6h 24mAmerican Airlines
Mi 10/295:42 pmAUS - BIL
1 stop5h 11mAmerican Airlines
Deal found 9/28$343
This Delta deal was found by Cheapflights users on 9/28. 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.
Di 10/215:25 amBIL - AUS
1 stop6h 39mDelta
Mi 10/291:59 pmAUS - BIL
2 stops9h 26mDelta
Deal found 9/28$348
This Alaska Airlines deal was found by Cheapflights users on 9/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 10/237:15 pmBIL - AUS
1 stop27h 41mAlaska Airlines
Mo 10/277:18 pmAUS - BIL
1 stop24h 21mAlaska Airlines
Deal found 9/29$352
This United Airlines deal was found by Cheapflights users on 9/27. 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.
So 10/265:00 amBIL - AUS
1 stop5h 27mUnited Airlines
Sa 11/15:30 amAUS - BIL
2 stops8h 53mUnited Airlines
Deal found 9/27$358
This Alaska Airlines deal was found by Cheapflights users on 9/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 11/142:00 pmBIL - AUS
1 stop27h 18mAlaska Airlines
Mo 11/177:18 pmAUS - BIL
1 stop20h 42mAlaska Airlines
Deal found 9/28$362
This United Airlines deal was found by Cheapflights users on 9/29. 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.
So 10/265:00 amBIL - AUS
1 stop5h 27mUnited Airlines
Do 10/306:17 pmAUS - BIL
1 stop5h 32mUnited Airlines
Deal found 9/29$363
This Delta deal was found by Cheapflights users on 9/28. 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.
Fr 11/1411:42 amBIL - AUS
2 stops10h 17mDelta
Mo 11/176:15 pmAUS - BIL
1 stop6h 09mDelta
Deal found 9/28$368
This Delta deal was found by Cheapflights users on 9/27. 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.
So 11/165:18 amBIL - AUS
1 stop6h 52mDelta
Mi 11/261:41 pmAUS - BIL
2 stops11h 29mDelta
Deal found 9/27$371
This Alaska Airlines deal was found by Cheapflights users on 9/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 10/267:19 pmBIL - AUS
1 stop27h 55mAlaska Airlines
Sa 11/17:00 amAUS - BIL
1 stop9h 00mAlaska Airlines
Deal found 9/27$378

Cheapflights Fare Finder

 
Customize your flight search to find flights from Billings to Austin 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 September 29, 2025.
Use the filters below to find and compare flights from Billings to Austin that are best for you.

Fly from

Billings

Fly to

Austin

Route

Depart

Return

Price

BillingsAustin

BIL - AUS

BILAUS

Billings Logan Intl

Di 2/24

1:25 pm-5:15 am

1 stop14h 50m

Austin Bergstrom

Sa 2/28

1:35 pm-10:43 pm

1 stop10h 08m

$332

BillingsAustin

BIL - AUS

BILAUS

Billings Logan Intl

Di 2/24

5:40 am-6:37 pm

2 stops11h 57m

Austin Bergstrom

Sa 2/28

3:40 pm-10:50 pm

1 stop8h 10m

$348

BillingsAustin

BIL - AUS

BILAUS

Billings Logan Intl

Di 10/21

5:25 am-1:04 pm

1 stop6h 39m

Austin Bergstrom

Mi 10/29

1:59 pm-10:25 pm

2 stops9h 26m

$348

BillingsAustin

BIL - AUS

BILAUS

Billings Logan Intl

So 11/16

6:00 am-12:14 am

1 stop17h 14m

Austin Bergstrom

Mi 11/26

7:35 pm-6:32 pm

1 stop23h 57m

$352

BillingsAustin

BIL - AUS

BILAUS

Billings Logan Intl

Do 2/5

7:00 am-11:59 pm

1 stop15h 59m

Austin Bergstrom

Mo 2/9

6:59 pm-11:36 pm

1 stop29h 37m

$352

BillingsAustin

BIL - AUS

BILAUS

Billings Logan Intl

Do 10/23

7:15 pm-11:56 pm

1 stop27h 41m

Austin Bergstrom

Mo 10/27

7:18 pm-6:39 pm

1 stop24h 21m

$352

BillingsAustin

BIL - AUS

BILAUS

Billings Logan Intl

So 10/26

5:00 am-11:27 am

1 stop5h 27m

Austin Bergstrom

Sa 11/1

5:30 am-1:23 pm

2 stops8h 53m

$358

BillingsAustin

BIL - AUS

BILAUS

Billings Logan Intl

Fr 11/14

7:19 pm-12:14 am

1 stop27h 55m

Austin Bergstrom

Mo 11/17

7:18 pm-3:00 pm

1 stop20h 42m

$362

BillingsAustin

BIL - AUS

BILAUS

Billings Logan Intl

Do 10/9

7:00 am-1:16 pm

1 stop5h 16m

$266

BillingsAustin

BIL - AUS

BILAUS

Billings Logan Intl

Do 10/9

9:35 pm-9:45 pm

3 stops47h 10m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/28

Compare providers for flights from Billings to Austin

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 Billings to Austin in September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust 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 Billings-Austin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Billings-Austin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Billings-Austin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Billings-Austin 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 Billings-Austin 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 Billings to Austin

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

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

Currently, August is the cheapest month in which you can book a flight from Billings to Austin (average of $285). Flying from Billings to Austin in March is currently the most expensive (average of $362). 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 Billings to Austin?

Reviews of airlines servicing Austin

Get insights into the airlines that provide service to Austin. 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 Austin. Reviews last updated September 29, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Billings to Austin 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
7,964 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

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
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

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
8,924 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

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
7,964 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

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 Billings to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Billings to Austin?

    Alaska Airlines and Delta can get you from Billings to Austin in just under 11h 57m. Your travel time can differ by up to 2h 53m. The distance from Billings to Austin is about 1227 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Billings to Austin round-trip?

    Flying on Delta is currently your cheapest option to Austin, with prices starting at $229. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $286 and $324, respectively. Delta is 47% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

  • How can I find direct flights from Billings to Austin?

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

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

    Yes. Cheapflights offers flight deals from Billings to Austin 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 Billings to Austin?

    Currently, August is the cheapest month in which you can book a flight from Billings to Austin (average of $285). Flying from Billings to Austin in March is currently the most expensive (average of $362). 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 Austin?

Book flights to Austin if you plan to visit one of these locations
Round Rock
San Marcos
Fredericksburg
Pflugerville
Dripping Springs
Georgetown
Cedar Park
Canyon Lake
Seguin
Horseshoe Bay

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 Billings to Austin

See prices for flight routes from nearby airports that may be better suited for you.
Bozeman to Dallas/Fort Worth flights
Missoula to Austin flights
Missoula to Dallas/Fort Worth flights
Kalispell to Dallas/Fort Worth flights
Billings to Dallas/Fort Worth flights
Bozeman to Austin flights
Great Falls to Dallas/Fort Worth flights
Great Falls to San Antonio flights
Bozeman to Hobby flights
Helena to Dallas/Fort Worth flights
Bozeman to San Antonio flights
Bozeman to Love Field flights
Helena to San Antonio flights
Bozeman to George Bush Intcntl flights
Billings to Hobby flights
Kalispell to Austin flights
Great Falls to Austin flights
Missoula to San Antonio flights
Billings to George Bush Intcntl flights
Billings to San Antonio flights
Missoula to Hobby flights
Butte to Hobby flights
Helena to Hobby flights
Helena to Love Field flights
Great Falls to Hobby flights
Butte to Dallas/Fort Worth flights
Kalispell to Hobby flights
Great Falls to Love Field flights
Kalispell to George Bush Intcntl flights
Billings to Corpus Christi flights
Missoula to George Bush Intcntl flights
Helena to George Bush Intcntl flights
Billings to Amarillo flights
Kalispell to San Antonio flights
Billings to El Paso flights
Missoula to Love Field flights
Helena to Austin flights
Billings to Midland flights
Missoula to Midland flights
Billings to Love Field flights
Helena to Corpus Christi flights
Helena to Wichita Falls flights
Missoula to Texarkana flights
Bozeman to Tyler flights
Bozeman to Texarkana flights
Bozeman to Wichita Falls flights
Bozeman to Lubbock flights

Top 3 airlines flying from Billings to Austin

Discover the top 3 airlines that operate flights from Billings to Austin. 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 September 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$229Average$387FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$286Average$377FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$324Average$432FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.