Is it better to fly or drive to Adelaide?

Flying is much faster and often more cost-effective.

How long is the flight to Adelaide?

The flight time is approximately 2 hours and 15 minutes.

What is the best route to drive to Adelaide?

The Sturt Highway is the most common route from Sydney.

Do I need a car in Adelaide?

A car is useful for visiting wine regions, but not essential for the city.

Are there trains to Adelaide?

The Indian Pacific train runs from Sydney, but it is a luxury, multi-day experience.

St Marys

Adelaide

Flight Driving

St Marys to Adelaide

Updated: 30 May 2026

Adelaide is located 1,400 kilometers west of St Marys. For most travelers, flying from Sydney Airport (SYD) to Adelaide Airport (ADL) is the most practical option, taking just over two hours. If you prefer a road trip, the drive takes approximately 15 to 16 hours, usually via the Hume and Sturt Highways. Adelaide is known for its festivals, wine regions like the Barossa Valley, and its beautiful coastal beaches. This is a significant cross-country journey that requires careful planning.

Total Distance: 1,400 km driving distance; 1,160 km straight-line air distance.

Fastest Way

Flying is the fastest, taking just over 2 hours in the air.

Cheapest Way

Flying with a budget airline is often cheaper than the fuel and accommodation costs of a two-day drive.

Compare St Marys to Adelaide Routes

	Flight Direct	Driving Direct
Duration	2 hours 15 mins	16 hours
Avg Price	$150-$300	$250-$400 fuel
Operator	Qantas, Virgin Australia, Jetstar	N/A
Route	Sydney Airport (SYD) to Adelaide Airport (ADL).	Hume Highway (M31) to Sturt Highway (A20) via Hay and Mildura.
Tip	Book early to secure the best fares on budget airlines.	This is a multi-day drive; plan overnight stops in towns like Hay or Mildura.

Travel Tips

Book Flights Early
Prices rise significantly closer to the departure date.
Car Rental
If driving, ensure your rental agreement allows for interstate travel.
Pack for Climate
Adelaide has a Mediterranean climate; dress accordingly.
Public Transport
Adelaide has a reliable tram and bus network within the city.
Airport Transfers
Use the JetExpress bus or rideshare to get from the airport to the CBD.

Safety Tips

Long Distance Driving
Do not attempt the drive in one go; fatigue is a major risk.
Remote Areas
Carry extra water and fuel when driving through the outback sections.
Wildlife
Avoid driving at night due to high risk of animal collisions.
Vehicle Check
Ensure your car is serviced before embarking on a 1,400km trip.