Cheap flights from Boston to Austin from $88

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Austin departing on 10/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Frontier Logo
10:53 am - 4:15 pmBOS-AUS
6h 22m1 stop
Frontier Logo
7:35 pm - 7:52 amAUS-BOS
11h 17m1 stop
$154Frontier
Find Deal
Thu, Oct 2 - Sun, Oct 5
Spirit Airlines Logo
3:00 pm - 11:02 pmBOS-AUS
9h 02m1 stop
Spirit Airlines Logo
5:45 am - 11:57 pmAUS-BOS
17h 12m1 stop
$155Spirit Airlines
Find Deal
Sat, Sep 20 - Wed, Sep 24
JetBlue Logo
8:03 am - 11:54 amBOS-AUS
4h 51mnonstop
JetBlue Logo
2:33 pm - 7:29 pmAUS-BOS
3h 56mnonstop
$161JetBlue
Find Deal
Thu, Oct 23 - Sun, Oct 26
JetBlue Logo
8:15 am - 11:48 amBOS-AUS
4h 33mnonstop
JetBlue Logo
12:33 pm - 6:15 pmAUS-BOS
4h 42mnonstop
$162JetBlue
Find Deal
Thu, Sep 11 - Mon, Sep 15
Southwest Logo
10:25 am - 2:10 pmBOS-AUS
4h 45mnonstop
Southwest Logo
5:05 am - 11:25 amAUS-BOS
5h 20m1 stop
$171Southwest
Find Deal
Thu, Nov 13 - Sun, Nov 16
Southwest Logo
6:35 am - 2:45 pmBOS-AUS
9h 10m2 stops
Southwest Logo
9:30 am - 2:25 pmAUS-BOS
3h 55mnonstop
$176Southwest
Find Deal
Thu, Oct 23 - Tue, Oct 28
Delta Logo
6:15 am - 9:35 amBOS-AUS
4h 20mnonstop
Delta Logo
6:34 pm - 11:40 pmAUS-BOS
4h 06mnonstop
$177Delta
Find Deal
Thu, Sep 11 - Mon, Sep 15
American Airlines Logo
5:00 am - 11:12 amBOS-AUS
7h 12m1 stop
American Airlines Logo
10:01 am - 5:39 pmAUS-BOS
6h 38m1 stop
$179American Airlines
Find Deal
Sat, Sep 27 - Tue, Sep 30
American Airlines Logo
10:04 am - 3:08 pmBOS-AUS
6h 04m1 stop
American Airlines Logo
4:42 pm - 11:44 pmAUS-BOS
6h 02m1 stop
$180American Airlines
Find Deal
Thu, Sep 11 - Mon, Sep 15
Delta Logo
6:10 am - 9:47 amBOS-AUS
4h 37mnonstop
Delta Logo
6:45 pm - 11:43 pmAUS-BOS
3h 58mnonstop
$207Delta
Find Deal
Wed, Oct 29 - Fri, Nov 7

Delta flights from Boston to Austin

Our best Delta deals on Boston to Austin flight tickets
Delta
Sep 11
BOS6:15 amBoston Logan Intl
4h 20m
AUS9:35 amAustin Bergstrom
Sep 15
AUS6:34 pmAustin Bergstrom
4h 06m
BOS11:40 pmBoston Logan Intl
Delta
Oct 29
BOS6:10 amBoston Logan Intl
4h 37m
AUS9:47 amAustin Bergstrom
Nov 7
AUS6:45 pmAustin Bergstrom
3h 58m
BOS11:43 pmBoston Logan Intl
Delta
Oct 22
BOS6:10 amBoston Logan Intl
4h 37m
AUS9:47 amAustin Bergstrom
Oct 25
AUS5:22 pmAustin Bergstrom
4h 01m
BOS10:23 pmBoston Logan Intl

Frontier flights from Boston to Austin

Our best Frontier deals on Boston to Austin flight tickets
Frontier
Oct 2
BOS10:53 amBoston Logan Intl
6h 22m
1 stop
AUS4:15 pmAustin Bergstrom
Oct 5
AUS7:35 pmAustin Bergstrom
11h 17m
1 stop
BOS7:52 amBoston Logan Intl
Frontier
Oct 2
BOS12:59 pmBoston Logan Intl
6h 36m
1 stop
AUS6:35 pmAustin Bergstrom
Oct 5
AUS7:35 pmAustin Bergstrom
11h 17m
1 stop
BOS7:52 amBoston Logan Intl
Frontier
Oct 2
BOS12:59 pmBoston Logan Intl
6h 36m
1 stop
AUS6:35 pmAustin Bergstrom
Oct 5
AUS7:35 pmAustin Bergstrom
11h 17m
1 stop
BOS7:52 amBoston Logan Intl

momondo 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, momondo users made 832,500 searches. Data last updated August 28, 2025.
Use the filters below to find and compare flights from Boston to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Thu 10/2

10:53 am-4:15 pm

1 stop6h 22m

Austin Bergstrom

Sun 10/5

7:35 pm-7:52 am

1 stop11h 17m

$154

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Sat 9/20

3:00 pm-11:02 pm

1 stop9h 02m

Austin Bergstrom

Wed 9/24

5:45 am-11:57 pm

1 stop17h 12m

$155

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Thu 10/23

8:03 am-11:54 am

Nonstop4h 51m

Austin Bergstrom

Sun 10/26

2:33 pm-7:29 pm

Nonstop3h 56m

$161

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Thu 9/11

8:15 am-11:48 am

Nonstop4h 33m

Austin Bergstrom

Mon 9/15

12:33 pm-6:15 pm

Nonstop4h 42m

$162

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

$171

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Thu 10/23

6:35 am-2:45 pm

2 stops9h 10m

Austin Bergstrom

Tue 10/28

9:30 am-2:25 pm

Nonstop3h 55m

$176

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

$177

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Sat 9/27

5:00 am-11:12 am

1 stop7h 12m

Austin Bergstrom

Tue 9/30

10:01 am-5:39 pm

1 stop6h 38m

$179

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Thu 9/11

10:04 am-3:08 pm

1 stop6h 04m

Austin Bergstrom

Mon 9/15

4:42 pm-11:44 pm

1 stop6h 02m

$180

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Wed 10/29

6:10 am-9:47 am

Nonstop4h 37m

Austin Bergstrom

Fri 11/7

6:45 pm-11:43 pm

Nonstop3h 58m

$207

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Austin from

How to get the cheapest flight ticket from Boston to Austin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Austin?

The cheapest month to fly to Austin from Boston is in July. Flight prices, which tend to average around $297, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in July, then August is your next best option. Flight prices from Boston to Austin during August average around $297.

What is the cheapest day to depart on your flight to Austin?

The cheapest day to depart on your flight to Austin is on a Saturday when prices can be found for as low as $318. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Austin for around $431.

What is the cheapest time of day to depart on your flight to Austin?

In the morning is the cheapest time of day to fly from Boston to Austin when you can find flight prices for as low as $350. Flying to Austin in the morning is an ideal time because this is during off-peak travel hours. Flights to Austin are more costly at noon, with an average ticket price of $399. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Boston Logan Intl to Austin Bergstrom flight route?

Fly from Boston Logan Intl to Austin Bergstrom for the best Boston Logan Intl - Austin Bergstrom flight prices

How far in advance should I book a flight to Austin?

You are more likely to see cheaper flights to Austin from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Austin for around $357 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from Boston for as low as $284 on momondo.

What cabin class options are available on Boston Logan Intl to Austin Bergstrom flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to Austin Bergstrom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to Austin flights?

No. A direct flight is the cheapest option for a flight between Boston to Austin.

How have Boston to Austin flight prices changed over time?

As of August 2025, prices for Boston to Austin flights are approximately 5% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Austin

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Austin according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Austin (BOS to AUS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Austin

Best Price Found

$163

Fastest flight time

4h 13m

Direct flights

Every day

Airports in Austin

1 airport
The best one-way flight to Austin from Boston in the past 72 hours is $163. The best round-trip flight deal from Boston to Austin found on momondo in the last 72 hours is $191.
The fastest flight from Boston to Austin takes 4h 13m
Direct flights go from Boston to Austin every day.
There is 1 airport near Austin: Austin Bergstrom (AUS)
  • How far is Boston Logan Intl to Austin Bergstrom by plane?

    The distance between Boston Logan Intl and Austin Bergstrom is about 1692.4 mi. In terms of flight time, this usually takes a little over 4h 20m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Austin Bergstrom Airport?

    Prices for flights from Boston Logan Intl Airport to Austin Bergstrom Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Austin Bergstrom Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Austin Bergstrom Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Austin Bergstrom Airport.

  • What documentation or ID do you need to fly to Austin Bergstrom Airport?

    The travel and health documents required for your trip to Austin Bergstrom Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Austin Bergstrom Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Boston to Austin?

  • What is the most popular airline from Boston to Austin?

Best airlines flying from Boston to Austin

Compare and see reviews for airlines that fly from Boston to Austin with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $99Free CancellationRating
5.8
3,204 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $115Free CancellationRating
6.3
8,028 reviews
Search Spirit Airlines flights
JetBluePriceFrom $153Free CancellationRating
7.2
2,920 reviews
Search JetBlue flights
American AirlinesPriceFrom $180Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $196Free CancellationRating
7.9
7,977 reviews
Search Delta flights
SouthwestPriceFrom $215Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $233Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
  • Southwest Flights From Boston to Austin

    The lowest priced Southwest flight from Boston to Austin from the last 72 hours was $215. Generally, Southwest has 5 flights on this route every week with an average price of $405. Southwest is rated 8.0/10 by our users.

  • Delta Flights From Boston to Austin

    Delta (7.9/10 from 7,977 reviews) operates around 14 flights from Boston to Austin in any given week. The average Delta airfare for this route is around $384, with deals from around $196 rare but found on momondo. Referenced prices are for round-trip Boston to Austin flight searches in the last 72 hours.

Traveling to a place near Austin?

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

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Austin?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to Austin. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Boston to Austin with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Austin from Boston with this policy.

How can momondo help me find flights from Boston to Austin?

momondo helps you find the best flight between Boston and Austin by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Boston to Austin right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Austin from Boston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Tue 9/2
Tue 9/9

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