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Cheap flights from Boston to Austin from $97

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 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Boston to Austin

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:10 am - 10:00 am
BOS
-
AUS
4h 50mnonstop
Delta Logo
6:05 pm - 10:58 pm
AUS
-
BOS
3h 53mnonstop
$161Delta
Sun, Mar 8 - Fri, Apr 3
Multiple Airlines Logo
5:27 pm - 10:34 am
BOS
-
AUS
18h 07m1 stop
Multiple Airlines Logo
7:25 am - 1:03 am
AUS
-
BOS
16h 38m2 stops
$162Multiple Airlines
Sat, Jan 17 - Tue, Jan 20
Multiple Airlines Logo
6:00 am - 9:35 pm
BOS
-
AUS
16h 35m2 stops
Multiple Airlines Logo
11:30 am - 11:57 pm
AUS
-
BOS
11h 27m1 stop
$163Multiple Airlines
Fri, Jan 30 - Mon, Feb 2
Multiple Airlines Logo
6:00 am - 9:35 pm
BOS
-
AUS
16h 35m2 stops
Multiple Airlines Logo
4:59 pm - 11:19 pm
AUS
-
BOS
29h 20m1 stop
$164Multiple Airlines
Thu, Jan 15 - Tue, Jan 20
Spirit Airlines Logo
5:27 pm - 10:34 am
BOS
-
AUS
18h 07m1 stop
Spirit Airlines Logo
7:25 am - 11:19 pm
AUS
-
BOS
14h 54m2 stops
$165Spirit Airlines
Sat, Jan 17 - Wed, Jan 21
Spirit Airlines Logo
5:34 am - 11:24 pm
BOS
-
AUS
18h 50m2 stops
Spirit Airlines Logo
5:50 am - 11:57 pm
AUS
-
BOS
17h 07m2 stops
$166Spirit Airlines
Thu, Jan 22 - Wed, Jan 28
Spirit Airlines Logo
5:23 pm - 9:35 pm
BOS
-
AUS
29h 12m3 stops
Spirit Airlines Logo
11:30 am - 11:57 pm
AUS
-
BOS
11h 27m1 stop
$167Spirit Airlines
Tue, Jan 27 - Sat, Jan 31
Multiple Airlines Logo
12:10 pm - 4:04 pm
BOS
-
AUS
28h 54m1 stop
Multiple Airlines Logo
11:30 am - 1:13 am
AUS
-
BOS
12h 43m2 stops
$168Multiple Airlines
Mon, Jan 19 - Fri, Jan 23
Multiple Airlines Logo
6:00 am - 10:34 am
BOS
-
AUS
29h 34m2 stops
Multiple Airlines Logo
7:25 am - 4:28 pm
AUS
-
BOS
8h 03m1 stop
$169Multiple Airlines
Wed, Jan 14 - Fri, Jan 16
Spirit Airlines Logo
5:27 pm - 10:34 am
BOS
-
AUS
18h 07m1 stop
Spirit Airlines Logo
4:59 pm - 4:28 pm
AUS
-
BOS
22h 29m2 stops
$170Spirit Airlines
Thu, Jan 22 - Sun, Jan 25

Spirit Airlines flights from Boston to Austin

Our best Spirit Airlines deals on Boston to Austin flight tickets
Spirit Airlines
Jan 22
BOS5:34 amBoston Logan Intl
18h 50m
2 stops
AUS11:24 pmAustin Bergstrom
Jan 28
AUS5:50 amAustin Bergstrom
17h 07m
2 stops
BOS11:57 pmBoston Logan Intl
$166
Find similar
Spirit Airlines
Jan 27
BOS5:23 pmBoston Logan Intl
29h 12m
3 stops
AUS9:35 pmAustin Bergstrom
Jan 31
AUS11:30 amAustin Bergstrom
11h 27m
1 stop
BOS11:57 pmBoston Logan Intl
$167
Find similar
Spirit Airlines
Jan 22
BOS5:27 pmBoston Logan Intl
18h 07m
1 stop
AUS10:34 amAustin Bergstrom
Jan 25
AUS4:59 pmAustin Bergstrom
22h 29m
2 stops
BOS4:28 pmBoston Logan Intl
$170
Find similar

Southwest flights from Boston to Austin

Our best Southwest deals on Boston to Austin flight tickets
Southwest
Feb 5
BOS12:50 pmBoston Logan Intl
4h 55m
AUS4:45 pmAustin Bergstrom
Feb 8
AUS3:45 pmAustin Bergstrom
5h 20m
1 stop
BOS10:05 pmBoston Logan Intl
$187
Find similar
Southwest
Feb 5
BOS5:00 amBoston Logan Intl
10h 20m
2 stops
AUS2:20 pmAustin Bergstrom
Feb 14
AUS12:15 pmAustin Bergstrom
3h 50m
BOS5:05 pmBoston Logan Intl
$192
Find similar
Southwest
Jan 22
BOS5:50 amBoston Logan Intl
6h 40m
1 stop
AUS11:30 amAustin Bergstrom
Jan 25
AUS11:30 amAustin Bergstrom
3h 50m
BOS4:20 pmBoston Logan Intl
$207
Find similar

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 December 31, 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

Sun 3/8

6:10 am-10:00 am

Nonstop4h 50m

Austin Bergstrom

Fri 4/3

6:05 pm-10:58 pm

Nonstop3h 53m

$161

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Sat 1/17

5:27 pm-10:34 am

1 stop18h 07m

Austin Bergstrom

Tue 1/20

7:25 am-1:03 am

2 stops16h 38m

$162

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Fri 1/30

6:00 am-9:35 pm

2 stops16h 35m

Austin Bergstrom

Mon 2/2

11:30 am-11:57 pm

1 stop11h 27m

$163

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Thu 1/15

6:00 am-9:35 pm

2 stops16h 35m

Austin Bergstrom

Tue 1/20

4:59 pm-11:19 pm

1 stop29h 20m

$164

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Sat 1/17

5:27 pm-10:34 am

1 stop18h 07m

Austin Bergstrom

Wed 1/21

7:25 am-11:19 pm

2 stops14h 54m

$165

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Thu 1/22

5:34 am-11:24 pm

2 stops18h 50m

Austin Bergstrom

Wed 1/28

5:50 am-11:57 pm

2 stops17h 07m

$166

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Tue 1/27

5:23 pm-9:35 pm

3 stops29h 12m

Austin Bergstrom

Sat 1/31

11:30 am-11:57 pm

1 stop11h 27m

$167

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Mon 1/19

12:10 pm-4:04 pm

1 stop28h 54m

Austin Bergstrom

Fri 1/23

11:30 am-1:13 am

2 stops12h 43m

$168

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Wed 1/14

6:00 am-10:34 am

2 stops29h 34m

Austin Bergstrom

Fri 1/16

7:25 am-4:28 pm

1 stop8h 03m

$169

BostonAustin

BOS - AUS

BOSAUS

Boston Logan Intl

Thu 1/22

5:27 pm-10:34 am

1 stop18h 07m

Austin Bergstrom

Sun 1/25

4:59 pm-4:28 pm

2 stops22h 29m

$170

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 August. Flight prices, which tend to average around $258, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in August, then July is your next best option. Flight prices from Boston to Austin during July 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 $322. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Austin for around $424.

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 $340. 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 $402. 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 $340 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 $273 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.

How have Boston to Austin flight prices changed over time?

As of December 2025, prices for Boston to Austin flights are approximately 19% 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

$168

Fastest flight time

4h 30m

Direct flights

Every day

Airports in Austin

1 airport
The best one-way flight to Austin from Boston in the past 72 hours is $168. The best round-trip flight deal from Boston to Austin found on momondo in the last 72 hours is $240.
The fastest flight from Boston to Austin takes 4h 30m
Direct flights go from Boston to Austin every day.
There is 1 airport in Austin. From Boston there are direct flights to Austin Bergstrom (AUS).
Search flight deals

  • 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 30m.

  • 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 $91Free CancellationRating
5.7
3,067 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $115Free CancellationRating
6.3
8,247 reviews
Search Spirit Airlines flights
JetBluePriceFrom $146Free CancellationRating
7.2
2,901 reviews
Search JetBlue flights
SouthwestPriceFrom $171Free CancellationRating
8.0
4,250 reviews
Search Southwest flights
DeltaPriceFrom $177Free CancellationRating
7.9
8,012 reviews
Search Delta flights
American AirlinesPriceFrom $178Free CancellationRating
7.2
11,069 reviews
Search American Airlines flights
United AirlinesPriceFrom $196Free CancellationRating
7.4
9,122 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 $171. Generally, Southwest has 4 flights on this route every week with an average price of $378. Southwest is rated 8.0/10 by our users.

  • Delta Flights From Boston to Austin

    Delta (7.9/10 from 8,012 reviews) operates around 12 flights from Boston to Austin in any given week. The average Delta airfare for this route is around $381, with deals from around $177 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
Wimberley
San Marcos
Round Rock
Georgetown
Canyon Lake
Marble Falls
Horseshoe Bay
Cedar Park
Dripping Springs
Kyle
Pflugerville
Seguin
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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