Earn point on your loyalty program!arrow arc left

Cheap flights from Boston (BOS) to Austin (AUS)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Boston (BOS) to Austin (AUS)

How to find the cheapest flight from Boston (BOS) to Austin (AUS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to Austin (AUS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to Austin (AUS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Boston to Austin in February , March 2026

20 Feb - 25 Mar $ 132.00
BOS
Boston
Spirit Airlines
1 STOPS
AUS
Austin
AUS
Austin
Spirit Airlines
1 STOPS
BOS
Boston
Pick dates
12 Feb - 10 Mar $ 645.00
BOS
Boston
Hawaiian Airlines
1 STOPS
AUS
Austin
AUS
Austin
Hawaiian Airlines
1 STOPS
BOS
Boston
Pick dates
13 Feb - 10 Mar $ 687.00
BOS
Boston
Hawaiian Airlines
1 STOPS
AUS
Austin
AUS
Austin
Hawaiian Airlines
1 STOPS
BOS
Boston
Pick dates

Last minute flights from Boston to Austin

27 Feb - 28 Feb $ 291.00
BOS
Boston
United Airlines
1 STOPS
AUS
Austin
AUS
Austin
United Airlines
1 STOPS
BOS
Boston
Pick dates
12 Feb - 28 Feb $ 692.00
BOS
Boston
Alaska Airlines
1 STOPS
AUS
Austin
AUS
Austin
Alaska Airlines
1 STOPS
BOS
Boston
Pick dates
15 Feb - 28 Feb $ 1,199.00
BOS
Boston
United Airlines
1 STOPS
AUS
Austin
AUS
Austin
United Airlines
1 STOPS
BOS
Boston
Pick dates

One-way flights to Austin from Boston

1:59 PM - 6:55 PM
Spirit Airlines
1 Stops
7h 54m
BOS - AUS
$ 58
Kiwi
Pick dates
5:45 AM - 8:15 AM
United Airlines
1 Stops
6h 26m
BOS - AUS
$ 409
Kiwi
Pick dates
12:05 PM - 3:00 PM
United Airlines
1 Stops
7h 13m
BOS - AUS
$ 762
Kiwi
Pick dates

How to find the cheapest flight from Boston (BOS) to Austin (AUS)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to Austin (AUS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to Austin (AUS)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.