Your next trip, last seen at €266
Lowest observedThai AirAsia · 1 stop · One wayWhen to fly
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Airlines seen
- AirAsia X, Bangkok Airways, China Southern, Hainan Airlines, Jetstar, Nok Air, Qantas, Scoot, Thai AirAsia, Thai Airways, Thai Vietjet Air, Vietjet (12)
- Typical journey time
- 22h 15m
About this route
Explore the fares we observed from Sydney to Udon Thani. Prices move often, so pick your dates to see the latest options.
- Route distance
- 7,662 km
- Typical journey time
- 22h 15m
- Seen on fares with a connection
- Thai Airways, Jetstar, Scoot, China Southern, Thai Vietjet Air, Bangkok Airways, Thai AirAsia (7)
- Alternative airports
- WSI
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- Sydney Kingsford Smith International Airport (SYD) → Sydney, city gazetteer reference point (-33.8689, 151.2071): ≈ 9 km.
- Udon Thani International Airport (UTH) → Udon Thani, city gazetteer reference point (17.3647, 102.8159): ≈ 4 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Frequently asked
How much was a flight from Sydney to Udon Thani?
A fare of €266 was seen on 16 Oct 2026. Fares change, so search your dates for the current price.
Are there direct flights from Sydney to Udon Thani?
Our data holds no non-stop flight from Sydney to Udon Thani. The fares on this page include at least one stop.
Which airlines fly from Sydney to Udon Thani?
Routavio has seen these carriers on the route: AirAsia X, Bangkok Airways, China Southern, Hainan Airlines, Jetstar, Nok Air, Qantas, Scoot, Thai AirAsia, Thai Airways, Thai Vietjet Air, Vietjet (12).
How long does the flight from Sydney to Udon Thani take?
Across the 104 fares Routavio observed, the average journey time is 23h 17m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Sydney to Udon Thani fares were non-stop?
None of the 104 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.