$81 Cheap Flights from Baltimore (BWI) to Austin (AUS)

View $81 flight on Sat, Aug 16, 2025Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Austin-Bergstrom Intl. Airport (AUS)

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Cheap Flights from Baltimore to Austin (BWI-AUS)

Prices were available within the past 7 days and start at $81 for one-way flights and $167 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Sat, Aug 16 - Mon, Aug 18
BWI
Baltimore
AUS
Austin
$167 Roundtrip, found 21 hours ago
$167
Roundtrip
found 21 hours ago
Select Spirit Airlines flight, departing Sat, Aug 16 from Baltimore to Austin, returning Mon, Aug 18, priced at $167 found 21 hours ago
Spirit Airlines
Thu, Aug 14 - Fri, Aug 15
BWI
Baltimore
AUS
Austin
$168 Roundtrip, found 2 days ago
$168
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Thu, Aug 14 from Baltimore to Austin, returning Fri, Aug 15, priced at $168 found 2 days ago
Spirit Airlines
Mon, Aug 18 - Wed, Aug 20
BWI
Baltimore
AUS
Austin
$179 Roundtrip, just found
$179
Roundtrip
just found
Select Spirit Airlines flight, departing Mon, Aug 18 from Baltimore to Austin, returning Wed, Aug 20, priced at $179 just found
Spirit Airlines
Mon, Aug 11 - Wed, Sep 10
BWI
Baltimore
AUS
Austin
$185 Roundtrip, found 3 days ago
$185
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Mon, Aug 11 from Baltimore to Austin, returning Wed, Sep 10, priced at $185 found 3 days ago
Spirit Airlines
Sat, Aug 16 - Sun, Aug 31
BWI
Baltimore
AUS
Austin
$187 Roundtrip, found 9 hours ago
$187
Roundtrip
found 9 hours ago
Select Spirit Airlines flight, departing Sat, Aug 16 from Baltimore to Austin, returning Sun, Aug 31, priced at $187 found 9 hours ago
Spirit Airlines
Mon, Aug 11 - Mon, Sep 8
BWI
Baltimore
AUS
Austin
$188 Roundtrip, found 3 days ago
$188
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Mon, Aug 11 from Baltimore to Austin, returning Mon, Sep 8, priced at $188 found 3 days ago
Southwest Airlines
Thu, Nov 20 - Tue, Dec 2
BWI
Baltimore
AUS
Austin
$197 Roundtrip, just found
$197
Roundtrip
just found
Select Southwest Airlines flight, departing Thu, Nov 20 from Baltimore to Austin, returning Tue, Dec 2, priced at $197 just found
Frontier Airlines
Sat, Aug 16 - Mon, Aug 18
BWI
Baltimore
AUS
Austin
$202 Roundtrip, found 21 hours ago
$202
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Sat, Aug 16 from Baltimore to Austin, returning Mon, Aug 18, priced at $202 found 21 hours ago
American Airlines
Thu, Aug 21 - Sat, Aug 23
BWI
Baltimore
AUS
Austin
$206 Roundtrip, just found
$206
Roundtrip
just found
Select American Airlines flight, departing Thu, Aug 21 from Baltimore to Austin, returning Sat, Aug 23, priced at $206 just found
United
Thu, Nov 27 - Sat, Dec 6
BWI
Baltimore
AUS
Austin
$207 Roundtrip, just found
$207
Roundtrip
just found
Select United flight, departing Thu, Nov 27 from Baltimore to Austin, returning Sat, Dec 6, priced at $207 just found

Find the cheapest month to fly from Baltimore (BWI) to Austin (AUS)

April is typically the cheapest month to fly

From $120 - $337 per traveler.

Graph displaying average flight prices per month

Alternative airports near Austin

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Austin-Bergstrom Intl. AUS. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $236
AUS
Austin-Bergstrom Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $236
Flights from Baltimore (BWI) to Austin (AUS)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Austin-Bergstrom Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$166
Distance
1339 mi
Average flight time
3 hours 24 mins

Baltimore to Austin Flights

The cheapest times to fly from Baltimore to Austin

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Baltimore to Austin are during the month of August. You can find some of the cheapest flights from Baltimore to Austin with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Baltimore to Austin

Sunday is one of the best days to book for cheap flights from Baltimore to Austin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Baltimore to Austin

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Baltimore to Austin in 2025. You can also book with separate airlines for your outbound and return journeys, from $81 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Baltimore to Austin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Baltimore to Austin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Austin-Bergstrom Intl. Airport (AUS) cost?
You can find cheap return flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Austin-Bergstrom Intl. Airport (AUS) starting from $297. Grab your seat and get ready for takeoff. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving BWI on August 18 2025 and touching down at AUS. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from BWI to AUS?
The cheapest flights from BWI to AUS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Austin-Bergstrom Intl. Airport (AUS)?
When setting off from Baltimore Washington Intl. Thurgood Marshall Airport (BWI), you can board a direct flight to Austin-Bergstrom Intl. Airport (AUS) with Southwest Airlines.
What is the cheapest airline that flies from BWI to AUS?
At the moment, the cheapest carrier offering one-way flights from BWI to AUS is Southwest Airlines. You can jet off on this route from $149. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BWI on September 24 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Austin-Bergstrom Intl. Airport (AUS)?
With, on average, 2 nonstop flights departing from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Austin-Bergstrom Intl. Airport (AUS) every day, you'll be on your way in no time.
What are the most popular departure times for flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Austin-Bergstrom Intl. Airport (AUS)?
The 8 AM departures from BWI to AUS see the highest demand. These flights can come with a higher price due to their popularity. If you want to save money, choose a less crowded time to fly.
What day of the week has the most flights from BWI to AUS?
If you depart on a Friday, you'll get the biggest range of choices for flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Austin-Bergstrom Intl. Airport (AUS).
What is the earliest flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Austin-Bergstrom Intl. Airport (AUS)?
The earliest flight jetting off from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) is at around 8:05AM UTC-5. Catch this flight and you'll arrive at Austin-Bergstrom Intl. Airport (AUS) at approximately 11:05AM UTC-6. The total flight duration is 4h.
How long does it take to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Austin-Bergstrom Intl. Airport (AUS)?
It usually takes 4 hours to fly the 1,350 mi from BWI to AUS.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Austin-Bergstrom Intl. Airport (AUS)?
To arrive at Austin-Bergstrom Intl. Airport (AUS) on time, choose a flight that leaves from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Austin from Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Browse your flight options from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Austin-Bergstrom Intl. Airport (AUS). This is the only Austin airport you can fly into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Austin-Bergstrom Intl. Airport (AUS) last-minute?
Booking your plane ticket from BWI to AUS shortly before your journey is usually more expensive. But if you're flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a BWI to AUS flight and hotel package?
You'll typically save money by securing a BWI to AUS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've selected your ideal flights and accommodations, consider other add-ons like car rentals, activities and tours.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Austin-Bergstrom Intl. Airport (AUS)?
In most instances, you're able to reschedule or cancel your BWI to AUS flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like further details, go to our Customer Service portal.

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