Cheap flights from Chicago to Northwest Austin

View AU$167 flight on Mon, 6 Oct. 2025Opens in a new window

Popular airlines from Chicago to Northwest Austin

  • Delta

    Delta

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • Spirit Airlines

    Spirit Airlines

  • American Airlines

    American Airlines

  • United

    United

  • Alaska Airlines

    Alaska Airlines

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Cheap Flights from Chicago (CHI) to Northwest Austin (AUS)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 6 Oct. - Tue, 14 Oct.
ORD
Chicago
AUS
Austin
AU$259 Return, found 3 days ago
AU$259
Return
found 3 days ago
Select American Airlines flight, departing Mon, 6 Oct. from Chicago to Austin, returning Tue, 14 Oct., priced at AU$259 found 3 days ago
American Airlines
Mon, 6 Oct. - Tue, 14 Oct.
ORD
Chicago
AUS
Austin
AU$312 Return, found 3 days ago
AU$312
Return
found 3 days ago
Select American Airlines flight, departing Mon, 6 Oct. from Chicago to Austin, returning Tue, 14 Oct., priced at AU$312 found 3 days ago
American Airlines
Mon, 6 Oct. - Tue, 14 Oct.
ORD
Chicago
AUS
Austin
AU$327 Return, found 3 days ago
AU$327
Return
found 3 days ago
Select American Airlines flight, departing Mon, 6 Oct. from Chicago to Austin, returning Tue, 14 Oct., priced at AU$327 found 3 days ago
Delta
Mon, 6 Oct. - Tue, 14 Oct.
MDW
Chicago
AUS
Austin
AU$332 Return, found 3 days ago
AU$332
Return
found 3 days ago
Select Delta flight, departing Mon, 6 Oct. from Chicago to Austin, returning Tue, 14 Oct., priced at AU$332 found 3 days ago
United
Mon, 6 Oct. - Tue, 14 Oct.
ORD
Chicago
AUS
Austin
AU$351 Return, found 3 days ago
AU$351
Return
found 3 days ago
Select United flight, departing Mon, 6 Oct. from Chicago to Austin, returning Tue, 14 Oct., priced at AU$351 found 3 days ago
Alaska Airlines
Fri, 22 Aug. - Mon, 25 Aug.
ORD
Chicago
AUS
Austin
AU$857 Return, found 19 hours ago
AU$857
Return
found 19 hours ago
Select Alaska Airlines flight, departing Fri, 22 Aug. from Chicago to Austin, returning Mon, 25 Aug., priced at AU$857 found 19 hours ago

Find the cheapest month to fly from Chicago (CHI) to Austin (AUS)

April is typically the cheapest month to fly

From AU$137 - AU$610 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.