Cheap flights from Boise to South Austin from CA $189

View CA $189 flight on Sun, Sep. 14, 2025Opens in a new window

Popular airlines from Boise to South Austin

  • Air Canada

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  • WestJet

    WestJet

  • Flair Airlines

    Flair Airlines

  • American Airlines

    American Airlines

  • United

    United

  • Delta

    Delta

  • Porter Airlines

    Porter Airlines

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Cheap flights from Boise (BOI) to South Austin (AUS)

Prices were available within the past 7 days and start at CA $189 for one-way flights and CA $361 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Sep. 12 - Tue, Sep. 16
BOI
Boise
AUS
Austin
CA $361 Roundtrip, found 5 days ago
CA $361
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Sep. 12 from Boise to Austin, returning Tue, Sep. 16, priced at CA $361 found 5 days ago
Delta
Fri, Sep. 12 - Tue, Sep. 16
BOI
Boise
AUS
Austin
CA $372 Roundtrip, found 5 days ago
CA $372
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Sep. 12 from Boise to Austin, returning Tue, Sep. 16, priced at CA $372 found 5 days ago
Alaska Airlines
Fri, Sep. 12 - Tue, Sep. 16
BOI
Boise
AUS
Austin
CA $374 Roundtrip, found 5 days ago
CA $374
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Fri, Sep. 12 from Boise to Austin, returning Tue, Sep. 16, priced at CA $374 found 5 days ago
Delta
Fri, Sep. 12 - Tue, Sep. 16
BOI
Boise
AUS
Austin
CA $374 Roundtrip, found 5 days ago
CA $374
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Sep. 12 from Boise to Austin, returning Tue, Sep. 16, priced at CA $374 found 5 days ago
Delta
Fri, Sep. 12 - Tue, Sep. 16
BOI
Boise
AUS
Austin
CA $377 Roundtrip, found 5 days ago
CA $377
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Sep. 12 from Boise to Austin, returning Tue, Sep. 16, priced at CA $377 found 5 days ago
American Airlines
Fri, Sep. 12 - Tue, Sep. 16
BOI
Boise
AUS
Austin
CA $394 Roundtrip, found 5 days ago
CA $394
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Sep. 12 from Boise to Austin, returning Tue, Sep. 16, priced at CA $394 found 5 days ago

Find the cheapest month to fly from Boise (BOI) to Austin (AUS)

August is typically the cheapest month to fly

From CA $177 - CA $519 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.