Cheap Flights from Houston to Adelaide

Cheap Flights from Houston to Adelaide

Cheap Flights from Houston to Adelaide
Looking for cheap flights from Houston 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 Houston to Adelaide vary by season, cabin, and date, but available award flights can start around 40,000–77,000 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 Houston to Adelaide for specific travel dates.
2026-12-09
IAH - ADL
Economy | 2 Stops
From 40,000 Pts + $56
AA
2026-12-08
IAH - ADL
Premium Economy | 2 Stops
From 77,000 Pts + $51.6
UA
2026-12-09
IAH - ADL
Premium Economy | 2 Stops | 9+ left
From 77,000 Pts + $51.6
UA
Houston to Adelaide flight facts
Distance
9,315 mi
14,991 km in a straight line
Estimated flight time
about 19h 15m
In the air, for the straight-line distance
Time difference
+16h 30m
Adelaide is 16 hours 30 minutes ahead of Houston.
Airports in Houston
IAH · George Bush Intercontinental Houston
Airports in Adelaide
ADL · Adelaide Intl
Premium cabin flights from Houston to Adelaide
Premium cabin
2026-12-10
IAH - ADL
Premium Economy | 2 Stops | 9+ left
From 77,000 Pts + $51.6
UA
Premium cabin
2026-12-08
IAH - ADL
Premium Economy | 2 Stops
From 77,000 Pts + $51.6
UA
Premium cabin
2026-12-09
IAH - ADL
Premium Economy | 2 Stops | 9+ left
From 77,000 Pts + $51.6
UA
Selected hotels for your next stay
Le Mas Barossa(SLH)
Barossa Valley, SA (Australia)
Le Mas Barossa(SLH)
From 120,000 Pts or $711
Frequently Asked Questions
The cheapest route from Houston 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 Houston to Adelaide.
Yes. Searching metro codes when available helps compare nearby airport combinations for flights from Houston to Adelaide.
Houston and Adelaide are about 9,315 miles (14,991 km) apart in a straight line.
Flying the 9,315-mile straight-line distance takes about 19h 15m in the air, estimated from typical cruising speed. Actual travel time depends on the routing; itineraries with connections take longer.
Adelaide is 16 hours 30 minutes ahead of Houston.
Departures from Houston: George Bush Intercontinental Houston (IAH). 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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Our mission is to provide the simplest and best
points travel planning experience. Yeah!