Cheap flights from Southwest

Featured airlines

Qantas Airways
Virgin Australia
Air New Zealand
Jetstar
Fiji Airways
Singapore Airlines
Philippine Airlines
Qatar Airways
Scoot
  • 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 35% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

Cheapest flights from Southwest

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.

Jetstar
Jetstar
Jetstar
Jetstar
Jetstar
Jetstar
Virgin Australia
Regional Express
Regional Express
Jetstar
Beautiful view of the beach with palm trees

Black Friday: Members save 30%+

Members save 30%+ on selected hotels until 4 Dec (property time) with our Black Friday deals. Stay by 15 Dec 2025.

Flights from Southwest: Essential Travel Information

Cheapest flight from Southwest
AU$100 (roundtrip)
Best airlines to fly from Southwest
Jetstar, Virgin Australia, Regional Express, Qantas Airways
Cheapest month to fly from Southwest
May
Southwest IATA code
SRN
Southwest Country/State
Tasmania
Airline ticket deals from Southwest
AU$100 - AU$475
*Available to Expedia members.