Cheap Flights from Sydney (SYD) to Khon Kaen (KKC)

Compare Sydney to Khon Kaen flight deals

Find the cheapest month or even day of the year to fly to Khon Kaen

Book the best Khon Kaen fare with no extra fees

Flight deals from Sydney to Khon Kaen

Looking for a cheap last-minute deal or the best return flight from Sydney to Khon Kaen? Find the lowest prices on one-way and return tickets right here.

Khon Kaen.$558 per passenger.Departing Tue, 11 Nov, returning Tue, 18 Nov.Return flight with Scoot and Thai VietJet Air.Outbound indirect flight with Scoot, departs from Sydney on Tue, 11 Nov, arriving in Khon Kaen.Inbound indirect flight with Thai VietJet Air, departs from Khon Kaen on Tue, 18 Nov, arriving in Sydney.Price includes taxes and charges.From $558, select.

Khon Kaen.$618 per passenger.Departing Fri, 10 Oct, returning Tue, 11 Nov.Return flight with Scoot and Thai AirAsia.Outbound indirect flight with Scoot, departs from Sydney on Fri, 10 Oct, arriving in Khon Kaen.Inbound indirect flight with Thai AirAsia, departs from Khon Kaen on Tue, 11 Nov, arriving in Sydney.Price includes taxes and charges.From $618, select.

Khon Kaen.$724 per passenger.Departing Mon, 16 Jun, returning Mon, 23 Jun.Return flight with VietJet Air and Thai VietJet Air.Outbound indirect flight with VietJet Air, departs from Sydney on Mon, 16 Jun, arriving in Khon Kaen.Inbound indirect flight with Thai VietJet Air, departs from Khon Kaen on Mon, 23 Jun, arriving in Sydney.Price includes taxes and charges.From $724, select.

Khon Kaen.$852 per passenger.Departing Sun, 6 Jul, returning Fri, 11 Jul.Return flight with Cebu Pacific and Thai VietJet Air.Outbound indirect flight with Cebu Pacific, departs from Sydney on Sun, 6 Jul, arriving in Khon Kaen.Inbound indirect flight with Thai VietJet Air, departs from Khon Kaen on Fri, 11 Jul, arriving in Sydney.Price includes taxes and charges.From $852, select.

Khon Kaen.$903 per passenger.Departing Mon, 8 Dec, returning Wed, 17 Dec.Return flight with BatikAir Malaysia and Thai Airways.Outbound indirect flight with BatikAir Malaysia, departs from Sydney on Mon, 8 Dec, arriving in Khon Kaen.Inbound indirect flight with Thai Airways, departs from Khon Kaen on Wed, 17 Dec, arriving in Sydney.Price includes taxes and charges.From $903, select.

Khon Kaen.$1,204 per passenger.Departing Mon, 29 Dec, returning Fri, 2 Jan.Return flight with Scoot and Thai Airways.Outbound indirect flight with Scoot, departs from Sydney on Mon, 29 Dec, arriving in Khon Kaen.Inbound indirect flight with Thai Airways, departs from Khon Kaen on Fri, 2 Jan, arriving in Sydney.Price includes taxes and charges.From $1,204, select.

Find the cheapest month to fly from Sydney to Khon Kaen

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

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Sydney to Khon Kaen: Alternative routes

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

Sydney to Khon Kaen: Flight information

The things to know before you go.

Cheapest flight found	$558
Cheapest month to fly	November

Finding cheap flights from Sydney to Khon Kaen: Frequently asked questions

How much are return flights from Sydney to Khon Kaen?

The best price we found for a return flight from Sydney to Khon Kaen is $558. 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.

Which airlines fly direct from Sydney to Khon Kaen?

Currently, there are no airlines that fly direct from Sydney to Khon Kaen. But we found flights with one or more stops from $558.

How many flights are there a week from Sydney to Khon Kaen?

As of June 2025, there are no flights flying from Sydney to Khon Kaen.

When is the cheapest time to fly from Sydney to Khon Kaen?

The cheapest month to fly from Sydney to Khon Kaen is usually November.

Which upcoming date is cheapest to fly from Sydney Airport to Khon Kaen Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sydney Airport to Khon Kaen Airport on Tuesday, 11 November 2025.

Can I get a direct flight from Sydney Airport to Khon Kaen Airport?

No airlines currently offer direct flights between Sydney Airport and Khon Kaen Airport. Most routes have one or more stops.

How can I find the best flight deal to Khon Kaen?

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 Khon Kaen 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.

When is the best time to book flights to Khon Kaen?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Khon Kaen is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Sydney Airport to Khon Kaen with?

Currently, Scoot offers the cheapest flight tickets to Khon Kaen.

Travelling from Sydney (Kingsford Smith) Airport (SYD) to Khon Kaen Airport (KKC): what you need to know

Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Get to the airport on time to board your SYD to KKC flight.
You can expect longer lines during popular months such as April. Arriving up to four hours in advance for international flights and two hours for domestic departures will give you ample time for security and boarding.
Choose a stopover if you want to break up your flight. Simply uncheck 'Direct flights only' to look at all your options for tickets from Sydney (Kingsford Smith) Airport to Khon Kaen Airport. Suvarnabhumi Airport is a top stopover on the SYD to KKC route.

How to find the cheapest flights from Sydney (Kingsford Smith) Airport (SYD) to Khon Kaen Airport (KKC)

The cheapest price we've seen for a one-way Sydney (Kingsford Smith) Airport to Khon Kaen Airport flight is $301. A return ticket is currently $558. Depending on the availability and when you book, these fares may change.
It's a good idea to book as early as possible if you want to find cheap tickets from SYD to KKC. That's because airlines change prices based on demand, which tends to increase closer to the date of departure.
Finding cheap flights from Sydney (Kingsford Smith) Airport to Khon Kaen Airport is more likely if you're flexible with your dates. Use the 'Whole month' search function to see the lowest fares throughout the month and score a great deal.
Save time searching for cheap flights from SYD to KKC by setting up a Price Alert. We'll send you an email or notification through the app when fares go down.
Discover the ideal flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Sydney (Kingsford Smith) Airport to Khon Kaen Airport, use the 'Sort by' function. You can also filter results by airline, departure and arrival times, and number of stops.

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

69.62% of flights taking off from Sydney (Kingsford Smith) Airport land at their destination on time.
Sydney (Kingsford Smith) Airport is about 18 kilometres from central Sydney. If you're catching a cab, ride-sharing or driving from the centre, it'll take 20 minutes or so to arrive, depending on the traffic.
The trip on public transport will take about 25 minutes.
Get your trip off to a hassle-free start by staying near SYD. Whether you're boarding an early flight from Sydney (Kingsford Smith) Airport to Khon Kaen Airport or want to avoid feeling rushed, these stays are perfect:

Arriving at Khon Kaen Airport (KKC)

Book a hotel close to KKC if you're taking a late Sydney (Kingsford Smith) Airport to Khon Kaen Airport flight. Pick one of these accommodation options and skip the long transfer after landing:
Hit the road running by picking up a Khon Kaen Airport rental car. Grab a set of wheels from Chic Car Rent, Hertz or Thai Rent a Car and experience the lesser-explored corners of Khon Kaen and beyond.
Secure the lowest price by booking your ride from Khon Kaen Airport around two weeks in advance of your trip.

Getting from Khon Kaen Airport (KKC) to central Khon Kaen

Khon Kaen Airport is roughly 8 kilometres from central Khon Kaen. Driving there takes about 15 minutes.
Getting to the centre by public transport takes around 35 minutes.

When to fly to Khon Kaen Airport (KKC)

The quietest month for a flight from Sydney (Kingsford Smith) Airport to Khon Kaen Airport is February, while April is the most popular. Choose the best time to visit Khon Kaen based on whether you prefer a faster pace or a more relaxed vibe.
When reserving your flight from Sydney (Kingsford Smith) Airport to Khon Kaen Airport, think about the type of weather you like. April is the warmest month in Khon Kaen, with temperatures ranging from 24ºC (75ºF) to 41ºC (106ºF).
If you like travelling in cooler conditions, look for a cheap ticket from SYD to KKC in January. Average temperatures are between 15ºC (59ºF) and 32ºC (90ºF) then.

Explore more of Thailand

Khon Kaen has its own special appeal, but there are so many other corners of Thailand just waiting to be discovered. About 386 kilometres south-west of Khon Kaen, a visit to Bangkok will keep your itinerary packed. Don't miss top attractions like Grand Palace, Wat Arun and Wat Phra Kaew.
Around 105 kilometres north of Khon Kaen, Udon Thani is another favourite stop in Thailand. Get a taste of what this destination has to offer at Nong Prajak Public Park, Krom Luang Prachaksinlapakhom Monument and Chinesisches Tor.