Cheap Flights from Chicago to Northwest Austin

View €70 flight on Thu, 7 Aug 2025Opens in a new window

Popular airlines from Chicago to Northwest Austin

  • Delta

    Delta

  • American Airlines

    American Airlines

  • JetBlue Airways

    JetBlue Airways

  • United

    United

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 15% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Chicago to Northwest Austin (CHI-AUS)

Prices were available within the past 7 days and start at €70 for one-way flights and €138 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 7 Aug - Mon, 11 Aug
ORD
Chicago
AUS
Austin
€138 Return, found 5 days ago
€138
Return
found 5 days ago
Select American Airlines flight, departing Thu, 7 Aug from Chicago to Austin, returning Mon, 11 Aug, priced at €138 found 5 days ago
Delta
Thu, 7 Aug - Mon, 11 Aug
ORD
Chicago
AUS
Austin
€163 Return, found 5 days ago
€163
Return
found 5 days ago
Select Delta flight, departing Thu, 7 Aug from Chicago to Austin, returning Mon, 11 Aug, priced at €163 found 5 days ago
American Airlines
Wed, 16 Jul - Sat, 19 Jul
ORD
Chicago
AUS
Austin
€165 Return, found 6 days ago
€165
Return
found 6 days ago
Select American Airlines flight, departing Wed, 16 Jul from Chicago to Austin, returning Sat, 19 Jul, priced at €165 found 6 days ago
American Airlines
Thu, 7 Aug - Mon, 11 Aug
ORD
Chicago
AUS
Austin
€169 Return, found 5 days ago
€169
Return
found 5 days ago
Select American Airlines flight, departing Thu, 7 Aug from Chicago to Austin, returning Mon, 11 Aug, priced at €169 found 5 days ago
United
Thu, 7 Aug - Mon, 11 Aug
ORD
Chicago
AUS
Austin
€193 Return, found 5 days ago
€193
Return
found 5 days ago
Select United flight, departing Thu, 7 Aug from Chicago to Austin, returning Mon, 11 Aug, priced at €193 found 5 days ago
JetBlue Airways
Fri, 22 Aug - Mon, 25 Aug
ORD
Chicago
AUS
Austin
€246 Return, found 23 hours ago
€246
Return
found 23 hours ago
Select JetBlue Airways flight, departing Fri, 22 Aug from Chicago to Austin, returning Mon, 25 Aug, priced at €246 found 23 hours ago

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

April is typically the cheapest month to fly

From €77 - €320 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.