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 April , May 2026

30 Apr - 13 May $ 236.00
BOS
Boston
Frontier Airlines
1 STOPS
AUS
Austin
AUS
Austin
Frontier Airlines
1 STOPS
BOS
Boston
Pick dates
13 Apr - 06 May $ 464.00
BOS
Boston
Alaska Airlines
1 STOPS
AUS
Austin
AUS
Austin
Alaska Airlines
1 STOPS
BOS
Boston
Pick dates
13 Apr - 05 May $ 465.00
BOS
Boston
Alaska Airlines
1 STOPS
AUS
Austin
AUS
Austin
Alaska Airlines
1 STOPS
BOS
Boston
Pick dates

Last minute flights from Boston to Austin

25 Apr - 30 Apr $ 369.00
BOS
Boston
United Airlines
1 STOPS
AUS
Austin
AUS
Austin
United Airlines
1 STOPS
BOS
Boston
Pick dates
13 Apr - 30 Apr $ 574.00
BOS
Boston
Alaska Airlines
1 STOPS
AUS
Austin
AUS
Austin
Alaska Airlines
2 STOPS
BOS
Boston
Pick dates
13 Apr - 30 Apr $ 603.00
BOS
Boston
Alaska Airlines
1 STOPS
AUS
Austin
AUS
Austin
Alaska Airlines
1 STOPS
BOS
Boston
Pick dates

One-way flights to Austin from Boston

5:45 AM - 8:23 AM
United Airlines
1 Stops
6h 23m
BOS - AUS
$ 136
Kiwi
Pick dates
5:49 PM - 10:10 PM
Spirit Airlines
1 Stops
7h 35m
BOS - AUS
$ 203
Kiwi
Pick dates
5:45 AM - 8:23 AM
United Airlines
1 Stops
6h 23m
BOS - AUS
$ 209
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.