How long is the flight from Birmingham, Alabama to Austin?

A quick flight from Birmingham, Alabama to Austin can take about 3h 55m. United Airlines provides one of the quickest options available for as low as $269. The distance from Birmingham, Alabama to Austin is about 680 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Birmingham, Alabama to Austin round-trip?

Currently priced at $236, Delta will fly you from Birmingham, Alabama to Austin and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $266 and $271, respectively. Delta is 42% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Birmingham, Alabama to Austin one-way?

The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $124. However, be on the lookout for offers from Southwest and American Airlines, as they are both options that can get you from Birmingham, Alabama to Austin for a low price.

In terms of precipitation, rainfall in Austin ranges from 2.1 - 4.2 inches per month. May is typically the wettest month, when rainfall can reach 4.2 in. July is typically the driest time to visit Austin when rainfall is around 2.1 in.

If weather is an important factor for your trip to Austin, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

What are the most popular airlines that fly from Birmingham, Alabama to Austin?

The most popular airlines flying from Birmingham, Alabama to Austin are Southwest, American Airlines and United Airlines. Something to consider prior to booking your flight.

Most accurate provider : When it comes to deals on Birmingham, Alabama-Austin flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Birmingham, Alabama-Austin flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Birmingham, Alabama-Austin flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Birmingham, Alabama-Austin flights, Cheapflights users trust eDreams the most. eDreams 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 Birmingham, Alabama-Austin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Birmingham to Austin?

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

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

Yes. Cheapflights offers flight deals from Birmingham 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.

$128+ Flights from Birmingham, AL to Austin

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Find cheap flights from Birmingham 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

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Cheapflights Tip: The best prices from Birmingham to Austin Bergstrom are usually found in August or May, booked 23 days in advance, depart on a Saturday or Thursday and return on a Tuesday

Cheap flight deals from Birmingham to Austin

Cheapest flights from Birmingham to Austin
Explore the most affordable flight options available from Birmingham to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Thu 12/255:20 amBHM - AUS

1 stop4h 25mDelta

Mon 12/291:35 pmAUS - BHM

1 stop6h 20mDelta

Deal found 12/15

$351

Sat 12/277:15 pmBHM - AUS

1 stop4h 35mAmerican Airlines

Thu 1/15:25 pmAUS - BHM

1 stop5h 43mAmerican Airlines

Deal found 12/17

$449

Thu 12/185:20 amBHM - AUS

1 stop5h 55mDelta

Wed 12/244:10 pmAUS - BHM

1 stop6h 21mDelta

Deal found 12/17

$506

Tue 12/232:36 pmBHM - AUS

1 stop6h 04mDelta

Sat 1/35:20 amAUS - BHM

1 stop4h 41mDelta

Deal found 12/16

$510

Tue 12/2310:10 amBHM - AUS

1 stop9h 05mSouthwest

Sat 1/33:45 pmAUS - BHM

2 stops6h 10mSouthwest

Deal found 12/16

$515

Thu 12/185:20 amBHM - AUS

1 stop5h 55mDelta

Wed 12/318:20 amAUS - BHM

1 stop3h 53mDelta

Deal found 12/15

$541

Thu 12/187:30 amBHM - AUS

2 stops13h 25mUnited Airlines

Wed 12/3112:06 pmAUS - BHM

1 stop4h 07mUnited Airlines

Deal found 12/16

$546

Thu 12/257:30 amBHM - AUS

2 stops7h 52mUnited Airlines

Mon 12/295:30 amAUS - BHM

1 stop3h 52mUnited Airlines

Deal found 12/15

$550

Wed 12/317:30 amBHM - AUS

2 stops10h 35mUnited Airlines

Sun 1/45:30 amAUS - BHM

1 stop3h 52mUnited Airlines

Deal found 12/16

$563

Best flights from Birmingham to Austin
Discover carefully curated flight deals from Birmingham to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Sun 1/183:00 pmBHM - AUS

1 stop4h 30mUnited Airlines

Tue 1/205:30 amAUS - BHM

1 stop4h 57mUnited Airlines

Deal found 12/16

$255

Sun 1/185:45 pmBHM - AUS

1 stop3h 55mSouthwest

Tue 1/209:25 amAUS - BHM

2 stops7h 15mSouthwest

Deal found 12/16

$269

Thu 1/155:20 amBHM - AUS

1 stop4h 31mDelta

Sun 1/185:30 amAUS - BHM

1 stop5h 03mDelta

Deal found 12/16

$284

Thu 1/155:10 amBHM - AUS

1 stop4h 27mAmerican Airlines

Sun 1/186:05 amAUS - BHM

1 stop4h 40mAmerican Airlines

Deal found 12/17

$284

Wed 1/146:10 amBHM - AUS

2 stops9h 40mSouthwest

Sat 1/179:30 amAUS - BHM

1 stop3h 50mSouthwest

Deal found 12/17

$269

Mon 1/264:53 pmBHM - AUS

1 stop4h 42mUnited Airlines

Tue 2/32:22 pmAUS - BHM

1 stop5h 59mUnited Airlines

Deal found 12/17

$293

Wed 1/147:09 amBHM - AUS

1 stop6h 34mAmerican Airlines

Wed 1/146:09 pmAUS - BHM

1 stop5h 48mAmerican Airlines

Deal found 12/15

$297

Tue 1/133:00 pmBHM - AUS

1 stop4h 55mUnited Airlines

Wed 1/1412:27 pmAUS - BHM

1 stop3h 45mUnited Airlines

Deal found 12/15

$297

Wed 1/146:10 amBHM - AUS

2 stops6h 05mSouthwest

Wed 1/142:40 pmAUS - BHM

1 stop6h 40mSouthwest

Deal found 12/15

$302

Mon 1/262:40 pmBHM - AUS

2 stops6h 10mSouthwest

Tue 2/37:05 amAUS - BHM

2 stops6h 55mSouthwest

Deal found 12/17

$303

Last-minute flights from Birmingham to Austin
Discover last-minute flight deals from Birmingham to Austin. Data last updated December 18, 2025 and is based on user searches.

Thu 1/13:00 pmBHM - AUS

1 stop5h 55mUnited Airlines

Sat 1/319:35 amAUS - BHM

1 stop4h 27mUnited Airlines

Deal found 12/16

$276

Tue 1/133:00 pmBHM - AUS

1 stop4h 55mUnited Airlines

Wed 1/1412:27 pmAUS - BHM

1 stop3h 45mUnited Airlines

Deal found 12/15

$297

Tue 1/136:10 amBHM - AUS

2 stops8h 40mSouthwest

Wed 1/144:25 pmAUS - BHM

1 stop4h 55mSouthwest

Deal found 12/15

$302

Wed 1/149:13 amBHM - AUS

1 stop6h 52mDelta

Sat 1/175:55 pmAUS - BHM

1 stop4h 59mDelta

Deal found 12/17

$264

Wed 1/146:10 amBHM - AUS

2 stops9h 40mSouthwest

Sat 1/179:30 amAUS - BHM

1 stop3h 50mSouthwest

Deal found 12/17

$269

Thu 1/153:00 pmBHM - AUS

1 stop4h 30mUnited Airlines

Sun 1/189:35 amAUS - BHM

1 stop4h 42mUnited Airlines

Deal found 12/15

$284

Thu 1/155:10 amBHM - AUS

1 stop4h 27mAmerican Airlines

Sun 1/183:03 pmAUS - BHM

1 stop5h 11mAmerican Airlines

Deal found 12/15

$305

Sun 1/183:00 pmBHM - AUS

1 stop4h 30mUnited Airlines

Tue 1/205:30 amAUS - BHM

1 stop4h 57mUnited Airlines

Deal found 12/16

$255

Mon 1/264:53 pmBHM - AUS

1 stop4h 42mUnited Airlines

Tue 2/32:22 pmAUS - BHM

1 stop5h 59mUnited Airlines

Deal found 12/17

$293

One-way flights from Birmingham to Austin
Search for one-way flight options from Birmingham to Austin. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Sun 1/186:20 amBHM - AUS

1 stop5h 03mDelta

Deal found 12/15

$128

Sun 1/187:30 amBHM - AUS

2 stops12h 00mUnited Airlines

Deal found 12/15

$133

Tue 1/611:14 amBHM - AUS

1 stop4h 10mUnited Airlines

Deal found 12/15

$137

Sat 2/287:45 amBHM - AUS

1 stop5h 39mDelta

Deal found 12/16

$149

Wed 12/246:00 amBHM - AUS

2 stops9h 32mAmerican Airlines

Deal found 12/14

$150

Thu 2/266:00 amBHM - AUS

1 stop3h 40mSouthwest

Deal found 12/17

$152

Thu 1/85:20 amBHM - AUS

1 stop4h 31mDelta

Deal found 12/14

$153

Sat 1/249:10 amBHM - AUS

2 stops10h 45mUnited Airlines

Deal found 12/15

$154

Mon 1/1211:14 amBHM - AUS

1 stop4h 10mUnited Airlines

Deal found 12/16

$157

Thu 1/87:30 amBHM - AUS

2 stops12h 00mUnited Airlines

Deal found 12/14

$158

Find flight deals from Birmingham to Austin

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$255 (United Airlines)
One-way from	$128 (Delta)
Popular in	December
Cheapest in	August
Average price	$514

Provider with most accurate pricing for Birmingham-Austin Bergstrom flight deals.

Search Deals

Provider most trusted by Cheapflights users for Birmingham-Austin Bergstrom flights.

Search Deals

From Birmingham to Austin Bergstrom

Search Deals

One-way flight from Birmingham to Austin Bergstrom

Search Deals

Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

BirminghamAustin

BHM - AUS

BHMAUS

Birmingham

Sun 1/18

3:00 pm-7:30 pm

1 stop4h 30m

Austin Bergstrom

Tue 1/20

5:30 am-10:27 am

1 stop4h 57m

$255

BirminghamAustin

BHM - AUS

BHMAUS

Birmingham

Sun 1/18

5:45 pm-9:40 pm

1 stop3h 55m

Austin Bergstrom

Tue 1/20

9:25 am-4:40 pm

2 stops7h 15m

$269

BirminghamAustin

BHM - AUS

BHMAUS

Birmingham

Wed 1/14

6:10 am-3:50 pm

2 stops9h 40m

Austin Bergstrom

Sat 1/17

9:30 am-1:20 pm

1 stop3h 50m

$269

BirminghamAustin

BHM - AUS

BHMAUS

Birmingham

Thu 1/15

5:20 am-9:51 am

1 stop4h 31m

Austin Bergstrom

Sun 1/18

5:30 am-10:33 am

1 stop5h 03m

$284

BirminghamAustin

BHM - AUS

BHMAUS

Birmingham

Thu 1/15

5:10 am-9:37 am

1 stop4h 27m

Austin Bergstrom

Sun 1/18

6:05 am-10:45 am

1 stop4h 40m

$284

BirminghamAustin

BHM - AUS

BHMAUS

Birmingham

Mon 1/26

4:53 pm-9:35 pm

1 stop4h 42m

Austin Bergstrom

Tue 2/3

2:22 pm-8:21 pm

1 stop5h 59m

$293

BirminghamAustin

BHM - AUS

BHMAUS

Birmingham

Wed 1/14

7:09 am-1:43 pm

1 stop6h 34m

Austin Bergstrom

Wed 1/14

6:09 pm-11:57 pm

1 stop5h 48m

$297

BirminghamAustin

BHM - AUS

BHMAUS

Birmingham

Tue 1/13

3:00 pm-7:55 pm

1 stop4h 55m

Austin Bergstrom

Wed 1/14

12:27 pm-4:12 pm

1 stop3h 45m

$297

BirminghamAustin

BHM - AUS

BHMAUS

Birmingham

Wed 1/14

6:10 am-12:15 pm

2 stops6h 05m

Austin Bergstrom

Wed 1/14

2:40 pm-9:20 pm

1 stop6h 40m

$302

BirminghamAustin

BHM - AUS

BHMAUS

Birmingham

Mon 1/26

2:40 pm-8:50 pm

2 stops6h 10m

Austin Bergstrom

Tue 2/3

7:05 am-2:00 pm

2 stops6h 55m

$303

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 21 results

Compare providers for flights from Birmingham to Austin

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Birmingham to Austin in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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 Birmingham, Alabama-Austin flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Birmingham, Alabama-Austin flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Birmingham, Alabama-Austin flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Birmingham, Alabama-Austin flights, Cheapflights users trust eDreams the most. eDreams 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 Birmingham, Alabama-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 Birmingham to Austin

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

How far ahead should I book a flight from Birmingham, Alabama to Austin?

Booking 23 days in advance of your planned departure date is, on average, the best time to get cheap flights from Birmingham, Alabama to Austin. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Birmingham, Alabama to Austin?

Currently, August is the cheapest month in which you can book a flight from Birmingham, Alabama to Austin (average of $91). Flying from Birmingham, Alabama to Austin in March is currently the most expensive (average of $253). 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 BHM to AUS?

A simple way to save on the total cost of your ticket is to fly from Birmingham, Alabama to Austin in the evening. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Birmingham, Alabama to Austin?

Travelers seeking maximum savings on their Birmingham, Alabama to Austin flight should consider departing on Saturday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Austin

Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Birmingham to Austin. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,250 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,005 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,091 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,054 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

How long is the flight from Birmingham, Alabama to Austin?
A quick flight from Birmingham, Alabama to Austin can take about 3h 55m. United Airlines provides one of the quickest options available for as low as $269. The distance from Birmingham, Alabama to Austin is about 680 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from Birmingham, Alabama to Austin round-trip?
Currently priced at $236, Delta will fly you from Birmingham, Alabama to Austin and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $266 and $271, respectively. Delta is 42% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Birmingham, Alabama to Austin one-way?
The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $124. However, be on the lookout for offers from Southwest and American Airlines, as they are both options that can get you from Birmingham, Alabama to Austin for a low price.
Can I find deals for flights from Birmingham to Austin that include hotel bookings?
Yes. In addition to deals on Birmingham to Austin flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Birmingham to Austin?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Birmingham to Austin.
Can I find deals for business class flights from Birmingham to Austin?
Yes. Cheapflights offers flight deals from Birmingham 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 Birmingham, Alabama to Austin?
Currently, August is the cheapest month in which you can book a flight from Birmingham, Alabama to Austin (average of $91). Flying from Birmingham, Alabama to Austin in March is currently the most expensive (average of $253). 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.

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Top 4 airlines flying from Birmingham to Austin

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$251	Average$406	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$266	Average$420	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$271	Average$366	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$286	Average$427	FlexibilityNo cancel fee	On-time63%

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$128+ Cheap flights from Birmingham, AL to Austin (BHM - 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Birmingham to Austin with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Birmingham to Austin Bergstrom are usually found in August or May, booked 23 days in advance, depart on a Saturday or Thursday and return on a Tuesday

Cheap flight deals from Birmingham to Austin

Cheapest flights from Birmingham to AustinExplore the most affordable flight options available from Birmingham to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Explore the most affordable flight options available from Birmingham to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Find flight deals from Birmingham to Austin

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Birmingham to Austin that are best for you.

Compare providers for flights from Birmingham 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 Birmingham to Austin in December.

Best time to book a flight from Birmingham to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from Birmingham with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Birmingham to Austin

How far ahead should I book a flight from Birmingham, Alabama to Austin?

What is the cheapest month to book a flight from Birmingham, Alabama to Austin?

What is the cheapest time of day to fly from BHM to AUS?

What is the cheapest day to fly from Birmingham, Alabama to Austin?

Reviews of airlines servicing Austin

Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Birmingham to Austin. Users can see the overall rating for each airline as well as how each is rated 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 Birmingham 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 Birmingham, Alabama to Austin?

What are the cheapest airlines flying from Birmingham, Alabama to Austin round-trip?

What are the cheapest airlines to fly from Birmingham, Alabama to Austin one-way?

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

How can I find direct flights from Birmingham to Austin?

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

What is the cheapest month to book a flight from Birmingham, Alabama to Austin?

Traveling to a place near Austin?

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Alternative routes for Birmingham to Austin

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Top 4 airlines flying from Birmingham to Austin

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Cheapest flights from Birmingham to Austin
Explore the most affordable flight options available from Birmingham to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.