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$88+ Cheap flights from Boston to Austin (BOS - 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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — AUS
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Austin Bergstrom are usually found in July or August, booked 33 days in advance, depart on a Saturday or Wednesday and return on a Friday

Cheap flight deals from Boston to Austin

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) 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 August 21, 2025.

Round-trip from

$147
(Southwest)

One-way from

$88
(FlightHub)

Popular in

October

Cheapest in

July

Average price

$299

Good round-trip deal

$189 or less

Good one-way deal

$154 or less
From Boston Logan Intl to Austin Bergstrom
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One-way flight from Boston Logan Intl to Austin Bergstrom
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Highest demand for flights based on searches. 3% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Austin Bergstrom.
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Price to beat on a one-way flight from Boston Logan Intl to Austin Bergstrom.
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Find flight deals from Boston to Austin

Cheapest flights from Boston to Austin
Explore the most affordable flight options available from Boston to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This Southwest deal was found by Cheapflights users on 8/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/155:30 amBOS - AUS
1 stop6h 20mSouthwest
Tue 10/289:30 amAUS - BOS
Nonstop3h 55mSouthwest
Deal found 8/19$147
This JetBlue deal was found by Cheapflights users on 8/19. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/148:30 amBOS - AUS
Nonstop4h 24mJetBlue
Sat 10/1812:42 pmAUS - BOS
Nonstop4h 05mJetBlue
Deal found 8/19$149
This Southwest deal was found by Cheapflights users on 8/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/104:10 pmBOS - AUS
Nonstop4h 20mSouthwest
Fri 9/1212:45 pmAUS - BOS
1 stop9h 15mSouthwest
Deal found 8/20$153
This Frontier deal was found by Cheapflights users on 8/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/410:53 amBOS - AUS
1 stop6h 41mFrontier
Thu 9/117:35 pmAUS - BOS
1 stop11h 17mFrontier
Deal found 8/18$155
This Southwest deal was found by Cheapflights users on 8/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:10 amBOS - AUS
1 stop11h 00mSouthwest
Mon 11/172:35 pmAUS - BOS
1 stop7h 10mSouthwest
Deal found 8/19$157
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/103:00 pmBOS - AUS
1 stop9h 02mSpirit Airlines
Wed 9/175:45 amAUS - BOS
1 stop17h 12mSpirit Airlines
Deal found 8/20$158
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Fri 9/57:45 amBOS - AUS
1 stop9h 04mAmerican Airlines
Tue 9/94:00 pmAUS - BOS
1 stop6h 53mAmerican Airlines
Deal found 8/19$159
This American Airlines deal was found by Cheapflights users on 8/19. 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.
Thu 9/114:30 pmBOS - AUS
1 stop8h 08mAmerican Airlines
Mon 9/153:15 pmAUS - BOS
1 stop7h 27mAmerican Airlines
Deal found 8/19$160
This JetBlue deal was found by Cheapflights users on 8/20. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/62:00 pmBOS - AUS
Nonstop4h 39mJetBlue
Mon 12/82:30 pmAUS - BOS
Nonstop3h 49mJetBlue
Deal found 8/20$161
This American Airlines deal was found by Cheapflights users on 8/21. 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.
Wed 9/37:00 amBOS - AUS
1 stop7h 59mAmerican Airlines
Tue 9/93:05 pmAUS - BOS
1 stop6h 45mAmerican Airlines
Deal found 8/21$162
This Expedia deal was found by Cheapflights users on 8/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1210:53 amBOS - AUS
1 stop6h 41mFrontier
Sun 9/147:35 pmAUS - BOS
1 stop11h 17mFrontier
Deal found 8/19$165
This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:04 amBOS - AUS
1 stop7h 57mFrontier
Sun 11/25:56 pmAUS - BOS
1 stop14h 04mFrontier
Deal found 8/19$166

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston 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 August 21, 2025.
Use the filters below to find and compare flights from Boston to Austin that are best for you.

Fly from

Boston

Fly to

Austin

Route

Depart

Return

Price

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Wed 10/15

5:30 am-10:50 am

1 stop6h 20m

Austin Bergstrom

Tue 10/28

9:30 am-2:25 pm

Nonstop3h 55m

$147

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Thu 11/13

10:25 am-2:10 pm

Nonstop4h 45m

Austin Bergstrom

Sun 11/16

5:05 am-11:25 am

1 stop5h 20m

$147

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Fri 11/14

10:25 am-2:10 pm

Nonstop4h 45m

Austin Bergstrom

Sun 11/16

5:05 am-11:25 am

1 stop5h 20m

$147

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Wed 9/10

4:10 pm-7:30 pm

Nonstop4h 20m

Austin Bergstrom

Fri 9/12

12:45 pm-11:00 pm

1 stop9h 15m

$153

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Thu 9/11

6:15 am-9:35 am

Nonstop4h 20m

Austin Bergstrom

Mon 9/15

6:34 pm-11:40 pm

Nonstop4h 06m

$157

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Sat 11/8

6:26 pm-10:07 pm

Nonstop4h 41m

Austin Bergstrom

Tue 11/11

6:45 pm-11:44 pm

Nonstop3h 59m

$157

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Wed 9/17

6:40 pm-10:09 pm

Nonstop4h 29m

Austin Bergstrom

Wed 9/24

6:34 pm-11:40 pm

Nonstop4h 06m

$157

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Sat 9/27

6:15 am-9:35 am

Nonstop4h 20m

Austin Bergstrom

Tue 9/30

7:20 am-12:24 pm

Nonstop4h 04m

$157

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Wed 11/12

5:15 pm-10:35 pm

1 stop6h 20m

Austin Bergstrom

Sat 11/15

5:40 am-11:55 am

1 stop5h 15m

$157

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Thu 9/18

6:15 am-9:35 am

Nonstop4h 20m

Austin Bergstrom

Mon 9/22

6:34 pm-11:40 pm

Nonstop4h 06m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 21 results
1
2
3

Best time to book a flight from Boston to Austin

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

How far ahead should I book a flight from Boston to Austin?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Austin. Price data was last updated on August 8, 2025.

Booking 33 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston 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 Boston to Austin?

Currently, January is the cheapest month in which you can book a flight from Boston to Austin (average of $286). Flying from Boston 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.

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

Find hourly flight availability from Boston to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2025.

When flying from Boston to Austin, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 13% versus a flight at noon.

What is the cheapest day to fly from Boston to Austin?

Use this chart to determine the cheapest time to fly round-trip from Boston to Austin. Price data was last updated on August 17, 2025.

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

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 August 21, 2025.
Read through reviews of airlines operating flights from Boston to Austin, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,245 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,245 reviews
Southwest
8.0
Very good
4,245 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,981 reviews
Southwest
8.0
Very good
4,245 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,930 reviews
Southwest
8.0
Very good
4,245 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,245 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
JetBlue
7.2
Good
2,916 reviews
Southwest
8.0
Very good
4,245 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Boston to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Boston to Austin?

    If you book a flight from Boston to Austin, you will be flying from Logan Intl to Austin Bergstrom. Flights to Austin Bergstrom (AUS) from Boston Logan Intl (BOS) take 4h 15m for a nonstop flight. There are 9 flights from Logan Intl to Austin per day from 7 airlines.

  • How popular is this Boston to Austin flight route?

    Flights from Boston Logan Intl to Austin Bergstrom have been viewed 4 times in the past calendar month.

  • How long is the flight from Boston to Austin?

    A quick flight from Boston to Austin can take about 4h 20m. Southwest provides one of the quickest options available for as low as $157. There are 1695 mi between Boston and Austin. This flight may include one or multiple stops.

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

    Flying on Frontier is currently your cheapest option to Austin, with prices starting at $99. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and JetBlue, with the lowest prices starting at $115 and $152, respectively. These flights start at 72% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Boston to Austin one-way?

    One-way options have recently been found by users for as low as $88 on Frontier. Other airlines that offer cheap prices include Southwest from $89 and American Airlines from $89 one-way.

  • What are the most reliable airlines from Boston to Austin?

    Consider Aeromexico (84%), KLM (75%) or Delta (70%) when booking your flight. These represent the most reliable airlines when flying from Boston to Austin.

  • What are the cheapest flights from Boston to Austin?

    Looking for the cheapest flight from Boston to Austin? While on average our users pay $439, our data indicates the cheapest price to be $80. The most popular route (Boston Logan Intl - Austin Bergstrom), is priced around $137.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Boston to Austin (average of $286). Flying from Boston 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
San Marcos
Georgetown
Fredericksburg
Pflugerville
Dripping Springs
Cedar Park
Canyon Lake
Round Rock
Seguin
Horseshoe Bay

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Boston to Austin

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Boston to Austin

Discover the top 7 airlines that operate flights from Boston 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 August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$99Average$228FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$115Average$238FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$152Average$367FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$180Average$375FlexibilityNo cancel feeOn-time71%
DeltaCheapest$195Average$383FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$224Average$407FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$229Average$350FlexibilityNo cancel feeOn-time69%

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