C$424 Cheap Flights from Sydney (SYD) to Udon Thani (UTH)

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Find the cheapest month or even day of the year to fly to Udon Thani

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Flight deals from Sydney to Udon Thani

Looking for a cheap last-minute deal or the best return flight from Sydney Airport to Udon Thani Airport? If you want to travel next month, return fares start from C$1,586. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Sydney to Udon Thani

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sydney to Udon Thani flights are currently cheapest in May.

Sydney to Udon Thani: Alternative routes

Compare routes from Sydney to Udon Thani below. You may find an airport to fly into that's cheaper, faster, or easier than Udon Thani.

Sydney to Udon Thani: Flight information

The things to know before you go.
Cheapest flight foundC$424
Cheapest month to flyMay

Finding cheap flights from Sydney to Udon Thani: Frequently asked questions

The best price we found for a return flight from Sydney to Udon Thani is C$1,586. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Sydney to Udon Thani. But we found flights with one or more stops from C$1,586.
As of May 2026, there are no flights flying from Sydney to Udon Thani.
The cheapest month to fly from Sydney to Udon Thani is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sydney Airport to Udon Thani Airport on Tuesday, June 9, 2026.
No airlines currently offer direct flights between Sydney Airport and Udon Thani Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Udon Thani but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Udon Thani is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Thai Airways offers the cheapest flight tickets to Udon Thani.

Traveling from Sydney (Kingsford Smith) Airport (SYD) to Udon Thani International Airport (UTH): what you need to know

  • Traveling over a peak time like July? Major public holidays and other popular seasons can result in longer queues and delays at check-in and security. Play things extra safe and get there up to four hours ahead of international flights and two hours before a domestic departure.

  • If you'd love to visit a new city along the way, search for a flight with a stopover. To see all your options for flights from Sydney (Kingsford Smith) Airport to Udon Thani International Airport, uncheck 'Direct flights only.' Suvarnabhumi Airport is a well-known stop between SYD and UTH.

  • To see if you need a visa to enter Thailand, contact your carrier and the local consulate or embassy. They'll have all the necessary information, including additional documents you may need after booking your cheap ticket from SYD to UTH.

How to find the cheapest flights from Sydney (Kingsford Smith) Airport (SYD) to Udon Thani International Airport (UTH)

  • The lowest price we've seen for a one-way ticket from Sydney (Kingsford Smith) Airport to Udon Thani International Airport is C$424. For a return flight on this route, the best price is C$1,586. Depending on the availability and when you book, these fares can change.

  • To find cheap flight tickets from SYD to UTH, book in advance. Airlines typically offer the most competitive fares when flights are first made available.

  • Getting cheap flight tickets from Sydney (Kingsford Smith) Airport to Udon Thani International Airport is easy if you can be flexible with your travel plans. Try using the 'Whole month' function to see the best prices across every month and snap up a great deal.

  • Create a Price Alert for cheap flight tickets from SYD to UTH. There's no need to check every day to see if prices have fallen. We'll let you know as soon as there's a change in price.

  • Use filters to find the right trip for you. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Sydney (Kingsford Smith) Airport to Udon Thani International Airport, use the 'Sort by' function. You can also filter by departure and arrival times, airline, and journey duration.

Handy information about Sydney (Kingsford Smith) Airport (SYD)

  • Sydney (Kingsford Smith) Airport is around 18 kilometres from central Sydney. If you're catching a cab, driving or ride-sharing from the center, it'll take you 21 minutes or so to get there, depending on traffic. If you're using public transport, expect the travel time to be around 27 minutes.

  • Booked an early flight from Sydney (Kingsford Smith) Airport to Udon Thani International Airport? Avoid the stress of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these stays near SYD:

Arriving at Udon Thani International Airport (UTH)

  • The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from Sydney (Kingsford Smith) Airport to Udon Thani International Airport. Reserve one of these accommodation options near UTH instead:

Getting from Udon Thani International Airport (UTH) to central Udon Thani

  • From Udon Thani International Airport, Udon Thani is approximately 11 kilometres away. It takes around 15 minutes to reach the center driving.

When to fly to Udon Thani International Airport (UTH)

  • It's time to plan your travel dates for your flight from Sydney (Kingsford Smith) Airport to Udon Thani International Airport. August is the busiest month to visit Udon Thani. If you want a quieter vibe, go in February.

  • When booking your flight from Sydney (Kingsford Smith) Airport to Udon Thani International Airport, consider the type of weather you enjoy. April is the warmest month in Udon Thani, with the temperature ranging from 24ºC to 42ºC.

  • If you want cooler conditions, search for a cheap ticket from SYD to UTH in January. Average temperatures are between 14ºC and 31ºC then.

More about Udon Thani

  • When it comes to looking for somewhere to lay your head, you can find the most popular stays in Udon Thani right here. Browse these hotels once you've booked your flight from SYD to UTH:

  • There are so many things to see and do in this city it can be hard to figure out where to begin. Nong Prajak Public Park, Krom Luang Prachaksinlapakhom Monument and Wat Si Phothong Rattanaram are top attractions which should feature on any good Udon Thani itinerary.

Complete your Udon Thani trip with hotels and a car rental

  • We've got more party tricks up our sleeve than just comparing flights. Once you've booked your cheap ticket to Udon Thani International Airport, check out our car rental deals that'll give you the freedom to see the sights at your own pace. Next, take a look at our exclusive rates for hotels to find the ideal Udon Thani stay.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.