$190+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — AUS
Jun 9 — Jun 161
Round-trip
1 adult, Economy
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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
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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
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Best
Last-minute
One-way
Cheapest flights from Billings to AustinExplore 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 May 10, 2026.
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 May 10, 2026.
This Delta deal was found by Cheapflights users on 5/6. 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 7/236:24 am
BIL
- AUS
1 stop5h 26m
Delta
Mon 7/276:04 pm
AUS
- BIL
1 stop6h 16m
Delta
Deal found 5/6![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 5/8. 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.
Sun 5/316:30 am
BIL
- AUS
1 stop5h 51m
Delta
Sat 6/66:50 pm
AUS
- BIL
1 stop5h 02m
Delta
Deal found 5/8![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 5/8. 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.
Sat 5/235:30 am
BIL
- AUS
1 stop7h 30m
Delta
Wed 5/276:14 pm
AUS
- BIL
1 stop6h 00m
Delta
Deal found 5/8![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 5/8. 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.
Sat 5/166:30 am
BIL
- AUS
1 stop7h 20m
Delta
Sun 5/246:50 pm
AUS
- BIL
1 stop5h 02m
Delta
Deal found 5/8![Delta logo]()
$395
This Delta deal was found by Cheapflights users on 5/5. 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.
Wed 5/135:30 am
BIL
- AUS
1 stop5h 34m
Delta
Sat 5/166:50 pm
AUS
- BIL
1 stop5h 02m
Delta
Deal found 5/5![Delta logo]()
$400
This Delta deal was found by Cheapflights users on 5/8. 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.
Sun 5/316:30 am
BIL
- AUS
1 stop5h 51m
Delta
Fri 6/56:14 pm
AUS
- BIL
1 stop6h 00m
Delta
Deal found 5/8![Delta logo]()
$404
Best flights from Billings to AustinDiscover carefully curated flight deals from Billings to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 10, 2026.
Discover carefully curated flight deals from Billings to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 10, 2026.
This Delta deal was found by Cheapflights users on 5/5. 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 7/235:20 am
BIL
- AUS
2 stops10h 41m
Delta
Mon 7/2712:09 pm
AUS
- BIL
2 stops12h 11m
Delta
Deal found 5/5![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 5/8. 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.
Sun 5/316:30 am
BIL
- AUS
1 stop5h 51m
Delta
Sat 6/66:50 pm
AUS
- BIL
1 stop5h 02m
Delta
Deal found 5/8![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 5/8. 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.
Sat 5/2311:34 am
BIL
- AUS
1 stop5h 24m
Delta
Wed 5/272:16 pm
AUS
- BIL
2 stops9h 36m
Delta
Deal found 5/8![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 5/8. 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.
Sat 5/166:30 am
BIL
- AUS
1 stop7h 20m
Delta
Sun 5/246:50 pm
AUS
- BIL
1 stop5h 02m
Delta
Deal found 5/8![Delta logo]()
$395
This Delta deal was found by Cheapflights users on 5/5. 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.
Wed 5/135:30 am
BIL
- AUS
1 stop5h 34m
Delta
Sat 5/166:50 pm
AUS
- BIL
1 stop5h 02m
Delta
Deal found 5/5![Delta logo]()
$400
This Delta deal was found by Cheapflights users on 5/8. 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.
Sun 5/316:30 am
BIL
- AUS
1 stop5h 51m
Delta
Fri 6/56:14 pm
AUS
- BIL
1 stop6h 00m
Delta
Deal found 5/8![Delta logo]()
$404
Last-minute flights from Billings to AustinDiscover last-minute flight deals from Billings to Austin. Data last updated May 10, 2026 and is based on user searches.
Discover last-minute flight deals from Billings to Austin. Data last updated May 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/5. 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.
Wed 5/135:30 am
BIL
- AUS
1 stop5h 34m
Delta
Sat 5/166:50 pm
AUS
- BIL
1 stop5h 02m
Delta
Deal found 5/5![Delta logo]()
$400
This Delta deal was found by Cheapflights users on 5/8. 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.
Sat 5/166:30 am
BIL
- AUS
1 stop7h 20m
Delta
Sun 5/246:50 pm
AUS
- BIL
1 stop5h 02m
Delta
Deal found 5/8![Delta logo]()
$395
This United Airlines deal was found by Cheapflights users on 5/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:05 am
BIL
- AUS
1 stop6h 59m
United Airlines
Mon 5/255:39 am
AUS
- BIL
1 stop4h 56m
United Airlines
Deal found 5/9![United Airlines logo]()
$427
This United Airlines deal was found by Cheapflights users on 5/8. 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.
Fri 5/224:10 pm
BIL
- AUS
1 stop6h 34m
United Airlines
Mon 6/225:39 am
AUS
- BIL
1 stop4h 56m
United Airlines
Deal found 5/8![United Airlines logo]()
$435
This Delta deal was found by Cheapflights users on 5/8. 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.
Sat 5/235:30 am
BIL
- AUS
1 stop7h 30m
Delta
Wed 5/276:14 pm
AUS
- BIL
1 stop6h 00m
Delta
Deal found 5/8![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 5/8. 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.
Sun 5/316:30 am
BIL
- AUS
1 stop5h 51m
Delta
Sat 6/66:50 pm
AUS
- BIL
1 stop5h 02m
Delta
Deal found 5/8![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 5/8. 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.
Sun 5/316:30 am
BIL
- AUS
1 stop5h 51m
Delta
Fri 6/56:14 pm
AUS
- BIL
1 stop6h 00m
Delta
Deal found 5/8![Delta logo]()
$404
One-way flights from Billings to AustinSearch for one-way flight options from Billings to Austin. Find affordable one-way fares based on user searches. Data last updated May 10, 2026.
Search for one-way flight options from Billings to Austin. Find affordable one-way fares based on user searches. Data last updated May 10, 2026.
This American Airlines deal was found by Cheapflights users on 5/5. 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.
Sat 5/236:00 am
BIL
- AUS
1 stop7h 53m
American Airlines
Deal found 5/5![American Airlines logo]()
$190
This Delta deal was found by Cheapflights users on 5/8. 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.
Sat 5/235:30 am
BIL
- AUS
2 stops11h 32m
Delta
Deal found 5/8![Delta logo]()
$195
This United Airlines deal was found by Cheapflights users on 5/6. 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 5/126:35 am
BIL
- AUS
2 stops9h 51m
United Airlines
Deal found 5/6![United Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/132:41 pm
BIL
- AUS
3 stops52h 05m
Allegiant Air
Deal found 5/6![Allegiant Air logo]()
$296
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Sat 5/235:00 am
BIL
- AUS
3 stops11h 27m
United Airlines
Deal found 5/7![United Airlines logo]()
$809
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/122:06 pm
BIL
- AUS
3 stops26h 30m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$951
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Sun 5/245:00 am
BIL
- AUS
3 stops11h 27m
United Airlines
Deal found 5/6![United Airlines logo]()
$1,066
Find 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 May 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $311 (Delta) |
One-way from | $190 (American Airlines) |
Popular in | August |
Cheapest in | June |
Average price | $473 |
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 May 10, 2026.
Use the filters below to find and compare flights from Billings to Austin that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BillingsAustin
BIL - AUS
BILAUS
Billings Logan Intl
Thu 7/23
5:20 am-5:01 pm
2 stops10h 41m
Austin Bergstrom
Mon 7/27
12:09 pm-11:20 pm
2 stops12h 11m
$339
BillingsAustin
BIL - AUS
BILAUS
Billings Logan Intl
Sun 5/31
6:30 am-1:21 pm
1 stop5h 51m
Austin Bergstrom
Sat 6/6
6:50 pm-10:52 pm
1 stop5h 02m
$369
BillingsAustin
BIL - AUS
BILAUS
Billings Logan Intl
Sat 5/23
11:34 am-5:58 pm
1 stop5h 24m
Austin Bergstrom
Wed 5/27
2:16 pm-10:52 pm
2 stops9h 36m
$384
BillingsAustin
BIL - AUS
BILAUS
Billings Logan Intl
Sat 5/16
6:30 am-2:50 pm
1 stop7h 20m
Austin Bergstrom
Sun 5/24
6:50 pm-10:52 pm
1 stop5h 02m
$395
Quickest round-trip
BillingsAustin
BIL - AUS
BILAUS
Billings Logan Intl
Wed 5/13
5:30 am-12:04 pm
1 stop5h 34m
Austin Bergstrom
Sat 5/16
6:50 pm-10:52 pm
1 stop5h 02m
$400
BillingsAustin
BIL - AUS
BILAUS
Billings Logan Intl
Sun 5/31
6:30 am-1:21 pm
1 stop5h 51m
Austin Bergstrom
Fri 6/5
6:14 pm-11:14 pm
1 stop6h 00m
$404
Cheapest one-way
BillingsAustin
BIL - AUS
BILAUS
Billings Logan Intl
Sat 5/23
6:00 am-2:53 pm
1 stop7h 53m
$190
Quickest one-way
BillingsAustin
BIL - AUS
BILAUS
Billings Logan Intl
Tue 5/12
5:05 am-11:25 am
1 stop5h 20m
$195
BillingsAustin
BIL - AUS
BILAUS
Billings Logan Intl
Sat 5/23
5:30 am-6:02 pm
2 stops11h 32m
$195
BillingsAustin
BIL - AUS
BILAUS
Billings Logan Intl
Wed 5/13
6:30 am-1:21 pm
1 stop5h 51m
$195
Sorted by cheapest first
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
BIL-AUS
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, June is the cheapest month in which you can book a flight from Billings to Austin (average of $348). Flying from Billings to Austin in August is currently the most expensive (average of $710). 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 May 10, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican 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.
Comfort
7.9
Overall
7.9
Crew
8.5
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.9
Overall
7.9
Crew
8.5
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.9
Overall
7.9
Crew
8.5
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.9
Overall
7.9
Crew
8.5
Entertainment
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
Traveling to a place near Austin?
Book flights to Austin if you plan to visit one of these locationsCedar Park
Round Rock
San Marcos
Fredericksburg
Pflugerville
Bastrop
Dripping Springs
Georgetown
Seguin
Canyon Lake
Horseshoe Bay
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Other flights to Austin
Explore flights to Austin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 10, 2026.
Complete your trip
Complete your trip to Austin by adding a car rental and/or hotel reservation to your travel itinerary.
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Billings and Austin flights
Browse other Billings and Austin flight options. Last updated on May 10, 2026.
Other flights from Billings
Browse through other flights departing from Billings. Flights are based on user searches made on Cheapflights and were last updated on May 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 May 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$229 | Average$373 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$288 | Average$364 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$328 | Average$446 | FlexibilityNo cancel fee | On-time69% |