Melbourne (MEL) to Adelaide (ADL): 398 miles (641 km) great-circle, about 1h 20m nonstop by our estimate. Cheapest fare observed: $110 round-trip on Jetstar, nonstop, departing May 4, 2026.
$110 round-trip, Jetstar JQ621, departing 2026-05-04 at 18:50, returning 2026-05-06. The recorded itinerary left on a Monday, returning on a Wednesday 2 nights later; the fare was observed 9 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $110, it was the cheapest of the 30 round-trip fares we recorded from MEL (median $688). That is 27.6 cents per great-circle mile (round-trip price over one-way distance), above the MEL median of 14.5 cents across 30 round-trip routes.
Routes from MEL of similar length: Hobart (384 mi) at $145 and Sydney (438 mi) at $122.
Jetstar had the cheapest fare on 9 of 30 MEL routes. It is the 29th longest of the 30 routes we track from MEL.
Of 2 departure airports with a fare to Adelaide, Melbourne (MEL) ranked 1st at $110. Lowest: $110 from Melbourne (MEL); highest: $301 from Perth (PER); 2 nonstop. Cheapest-fare airlines (routes): Jetstar (1) and Virgin Australia (1).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Australia/Melbourne, Australia/Adelaide; flight time is our estimate.