Cheap Flights from Ontario to Adelaide
Cheap Flights from Ontario to Adelaide
Looking for cheap flights from Ontario to Adelaide? PointsYeah scans award availability across major airline and bank transfer programs in one place, so travelers can compare the lowest points and cash routes faster. Instead of searching each airline separately, users can see pricing from programs like Chase, Amex, Capital One, Citi, and Bilt side by side.
Award prices from Ontario to Adelaide vary by season, cabin, and date, but available award flights can start around 70,000 points one way, with premium cabins available at higher mileage levels. The live search above allows filtering by cabin, airline, stops, or maximum points to find the best award flights from Ontario to Adelaide for specific travel dates.
2026-12-25
ONT - ADL
Premium Economy | 2 Stops
From 70,000 Pts + $29.9
Ontario to Adelaide flight facts
Distance
8,216 mi
13,223 km in a straight line
Estimated flight time
about 17h
In the air, for the straight-line distance
Time difference
+18h 30m
Adelaide is 18 hours 30 minutes ahead of Ontario.
Airports in Ontario
ONT · Ontario Intl
Airports in Adelaide
ADL · Adelaide Intl
Nearby airport alternatives
Flights Santa Ana - Adelaide · Santa Ana is 30 mi from Ontario
Flights Los Angeles - Adelaide · Los Angeles is 47 mi from Ontario
Premium cabin flights from Ontario to Adelaide
Premium cabin
2026-12-25
ONT - ADL
Premium Economy | 2 Stops
From 70,000 Pts + $29.9
Selected hotels for your next stay
Barossa Valley, SA (Australia)
Le Mas Barossa(SLH)
From 120,000 Pts or $711
Frequently Asked Questions
The cheapest route from Ontario to Adelaide depends on award space, transfer bonuses, and travel dates. PointsYeah compares bank and airline programs in one place so you can find the best points and cash combinations faster.
Yes. Transferable points from Chase, Amex, Capital One, Citi, and Bilt can often be moved to airline partners for flights from Ontario to Adelaide.
Yes. Searching metro codes when available helps compare nearby airport combinations for flights from Ontario to Adelaide.
Ontario and Adelaide are about 8,216 miles (13,223 km) apart in a straight line.
Flying the 8,216-mile straight-line distance takes about 17h in the air, estimated from typical cruising speed. Actual travel time depends on the routing; itineraries with connections take longer.
Adelaide is 18 hours 30 minutes ahead of Ontario.
Departures from Ontario: Ontario Intl (ONT). Arrivals in Adelaide: Adelaide Intl (ADL).
Travelers searching this route also look at other popular routes into Adelaide, plus the return trip when we track it. Fares and award space change daily.
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