Cheap flights from Cost

View AU$80 flight on Thu, 15 Jan 2026Opens in a new window

Popular airlines from Cost

  • American Airlines

    American Airlines

  • United

    United

  • Delta

    Delta

  • Frontier Airlines

    Frontier Airlines

  • Spirit Airlines

    Spirit Airlines

  • Alaska Airlines

    Alaska Airlines

  • Viva Aerobus

    Viva Aerobus

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Cheapest flights from Cost

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, 15 Jan - Thu, 22 Jan
AUS
Austin
SAN
San Diego
AU$158 Return, found 5 days ago
AU$158
Return
found 5 days ago
Select Alaska Airlines flight, departing Thu, 15 Jan from Austin to San Diego, returning Thu, 22 Jan, priced at AU$158 found 5 days ago
Delta
Tue, 20 Jan - Tue, 27 Jan
AUS
Austin
DEN
Denver
AU$238 Return, found 1 day ago
AU$238
Return
found 1 day ago
Select Delta flight, departing Tue, 20 Jan from Austin to Denver, returning Tue, 27 Jan, priced at AU$238 found 1 day ago
American Airlines
Thu, 15 Jan - Thu, 22 Jan
AUS
Austin
CLD
Carlsbad
AU$243 Return, found 5 days ago
AU$243
Return
found 5 days ago
Select American Airlines flight, departing Thu, 15 Jan from Austin to Carlsbad, returning Thu, 22 Jan, priced at AU$243 found 5 days ago
American Airlines
Fri, 6 Feb - Mon, 9 Feb
AUS
Austin
BOS
Boston
AU$249 Return, found 5 days ago
AU$249
Return
found 5 days ago
Select American Airlines flight, departing Fri, 6 Feb from Austin to Boston, returning Mon, 9 Feb, priced at AU$249 found 5 days ago
Hawaiian Airlines
Tue, 13 Jan - Tue, 27 Jan
AUS
Austin
SFO
San Francisco
AU$258 Return, found 4 days ago
AU$258
Return
found 4 days ago
Select Hawaiian Airlines flight, departing Tue, 13 Jan from Austin to San Francisco, returning Tue, 27 Jan, priced at AU$258 found 4 days ago
Delta
Sat, 21 Feb - Sat, 28 Feb
SAT
San Antonio
DEN
Denver
AU$269 Return, found 3 days ago
AU$269
Return
found 3 days ago
Select Delta flight, departing Sat, 21 Feb from San Antonio to Denver, returning Sat, 28 Feb, priced at AU$269 found 3 days ago
Delta
Wed, 28 Jan - Tue, 3 Feb
AUS
Austin
JFK
New York
AU$272 Return, found 18 hours ago
AU$272
Return
found 18 hours ago
Select Delta flight, departing Wed, 28 Jan from Austin to New York, returning Tue, 3 Feb, priced at AU$272 found 18 hours ago
Delta
Thu, 15 Jan - Thu, 22 Jan
AUS
Austin
JAX
Jacksonville
AU$302 Return, found 6 days ago
AU$302
Return
found 6 days ago
Select Delta flight, departing Thu, 15 Jan from Austin to Jacksonville, returning Thu, 22 Jan, priced at AU$302 found 6 days ago
United
Sat, 24 Jan - Sat, 31 Jan
AUS
Austin
DEN
Denver
AU$329 Return, found 5 days ago
AU$329
Return
found 5 days ago
Select United flight, departing Sat, 24 Jan from Austin to Denver, returning Sat, 31 Jan, priced at AU$329 found 5 days ago
Delta
Sat, 17 Jan - Sat, 24 Jan
AUS
Austin
EWR
New York
AU$333 Return, found 2 days ago
AU$333
Return
found 2 days ago
Select Delta flight, departing Sat, 17 Jan from Austin to New York, returning Sat, 24 Jan, priced at AU$333 found 2 days ago

Flights from Cost: Essential Travel Information

Cheapest flight from Cost
AU$158 (roundtrip)
Best airlines to fly from Cost
Alaska Airlines, Delta, American Airlines, United, Hawaiian Airlines
Cheapest month to fly from Cost
January
Cost IATA code
null
Cost Country/State
Texas
Airline ticket deals from Cost
AU$158 - AU$333

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