$420 Cheap Flights from Sydney (SYD) to Bangkok Suvarnabhumi (BKK) in 2025

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Flight deals from Sydney to Bangkok Suvarnabhumi

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

Bangkok.$420 per passenger.Departing Tue, 12 Aug, returning Wed, 12 Nov.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Sydney on Tue, 12 Aug, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Scoot, departs from Bangkok Suvarnabhumi on Wed, 12 Nov, arriving in Sydney.Price includes taxes and charges.From $420, select.

Bangkok.$424 per passenger.Departing Fri, 1 Aug, returning Sun, 31 Aug.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Sydney on Fri, 1 Aug, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Scoot, departs from Bangkok Suvarnabhumi on Sun, 31 Aug, arriving in Sydney.Price includes taxes and charges.From $424, select.

Bangkok.$424 per passenger.Departing Thu, 31 Jul, returning Mon, 1 Sep.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Sydney on Thu, 31 Jul, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Scoot, departs from Bangkok Suvarnabhumi on Mon, 1 Sep, arriving in Sydney.Price includes taxes and charges.From $424, select.

Bangkok.$424 per passenger.Departing Fri, 1 Aug, returning Mon, 1 Sep.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Sydney on Fri, 1 Aug, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Scoot, departs from Bangkok Suvarnabhumi on Mon, 1 Sep, arriving in Sydney.Price includes taxes and charges.From $424, select.

Bangkok.$424 per passenger.Departing Mon, 28 Jul, returning Fri, 29 Aug.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Sydney on Mon, 28 Jul, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Scoot, departs from Bangkok Suvarnabhumi on Fri, 29 Aug, arriving in Sydney.Price includes taxes and charges.From $424, select.

Bangkok.$431 per passenger.Departing Tue, 9 Sep, returning Mon, 3 Nov.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Sydney on Tue, 9 Sep, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Scoot, departs from Bangkok Suvarnabhumi on Mon, 3 Nov, arriving in Sydney.Price includes taxes and charges.From $431, select.

Bangkok.$431 per passenger.Departing Wed, 27 Aug, returning Wed, 22 Oct.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Sydney on Wed, 27 Aug, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Scoot, departs from Bangkok Suvarnabhumi on Wed, 22 Oct, arriving in Sydney.Price includes taxes and charges.From $431, select.

Bangkok.$434 per passenger.Departing Tue, 3 Feb, returning Wed, 4 Mar.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Sydney on Tue, 3 Feb, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Scoot, departs from Bangkok Suvarnabhumi on Wed, 4 Mar, arriving in Sydney.Price includes taxes and charges.From $434, select.

Find the cheapest month to fly from Sydney to Bangkok Suvarnabhumi

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

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Direct flights from Sydney to Bangkok Suvarnabhumi

Sydney to Bangkok Suvarnabhumi: Alternative routes

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

Sydney to Bangkok: Flight information

The things to know before you go.

Cheapest flight found	$420
Cheapest month to fly	August
Average flight time	9 hrs, 34 mins
Most popular airline	EL AL Israel Airlines
Average flights per week	139

Finding cheap flights from Sydney to Bangkok Suvarnabhumi: Frequently asked questions

How much are return flights from Sydney to Bangkok Suvarnabhumi?

The best price we found for a return flight from Sydney to Bangkok Suvarnabhumi is $420. 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.

How long does it take to fly from Sydney to Bangkok Suvarnabhumi?

9 hours and 34 minutes is the average flight time from Sydney to Bangkok Suvarnabhumi.

Which airlines fly direct from Sydney to Bangkok Suvarnabhumi?

EL AL Israel Airlines, Thai Airways and Gulf Air fly direct from Sydney to Bangkok Suvarnabhumi.

How many flights are there a week from Sydney to Bangkok Suvarnabhumi?

As of June 2025, there are 139 flights per week flying from Sydney to Bangkok Suvarnabhumi.

When is the cheapest time to fly from Sydney to Bangkok Suvarnabhumi?

The cheapest month to fly from Sydney to Bangkok Suvarnabhumi is usually June 2025.

Which upcoming date is cheapest to fly from Sydney Airport to Bangkok Suvarnabhumi Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sydney Airport to Bangkok Suvarnabhumi Airport on Tuesday, 12 August 2025.

Can I get a direct flight from Sydney Airport to Bangkok Suvarnabhumi Airport?

Yes – the average flight time is 9 hours and 34 minutes.

How can I find the best flight deal to Bangkok Suvarnabhumi?

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 Bangkok Suvarnabhumi 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 Bangkok?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Bangkok 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 Bangkok Suvarnabhumi with?

Currently, Scoot and Thai Airways offer the cheapest flight tickets to Bangkok Suvarnabhumi.

Travelling from Sydney (Kingsford Smith) Airport (SYD) to Suvarnabhumi Airport (BKK): what you need to know

Take a direct flight from Sydney (Kingsford Smith) Airport to Suvarnabhumi Airport and you'll be travelling for an average of 9 hours 45 minutes.
Bangkok's timezone is UTC+7, making Bangkok four hours behind Sydney.
Every week, there are 34 Sydney (Kingsford Smith) Airport to Suvarnabhumi Airport flights. If you prefer to take off as early as possible, pick the 07:40 Thai AirAsia X flight. If you'd rather make the most of your time before flying, the latest flight is at 15:50 with Thai Airways International.
For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to catch your SYD to BKK flight.
During popular months such as April, it's best to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead for international flights whenever you're flying during a peak period in general.
With direct flights from Sydney (Kingsford Smith) Airport to Suvarnabhumi Airport available through various airlines, getting to Bangkok (and then other parts of Thailand) is a breeze. You can travel nonstop with:
Qantas is the top choice for travellers on this route.
Thai Airways International tops the rankings as the most punctual carrier for SYD to BKK flights, with 90.16% of its services arriving on schedule.
If you'd like to include a stop along the way, simply uncheck 'Direct flights only' when searching for your ticket from Sydney (Kingsford Smith) Airport to Suvarnabhumi Airport. Here are the top stopovers between SYD and BKK:
- Tan Son Nhat International Airport
- Changi International Airport
- Phuket International Airport

How to find the cheapest flights from Sydney (Kingsford Smith) Airport (SYD) to Suvarnabhumi Airport (BKK)

$231 is the best price for a one-way Sydney (Kingsford Smith) Airport to Suvarnabhumi Airport flight. Return flights start at $420. These fares may change depending on availability.
Book eight months before travelling. After crunching the numbers on our calendar, this is how far you should book ahead to secure cheap tickets from SYD to BKK.
The cheapest month for flights from Sydney (Kingsford Smith) Airport to Suvarnabhumi Airport is July. Use the 'Whole month' tool to find the lowest airfares if you have flexible travel dates.
Cut down on the time spent looking for cheap flights from SYD to BKK by creating a Price Alert. You'll receive an email or notification through the app when a new low fare is offered.
Tailor your trip using filters. Choose your preferred departure and arrival times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Best' or 'Fastest' flights from Sydney (Kingsford Smith) Airport to Suvarnabhumi Airport.

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

69.62% of flights that take off from Sydney (Kingsford Smith) Airport make it to 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 get there, depending on the traffic.
The journey on public transport takes roughly 25 minutes.
Booked an early flight from Sydney (Kingsford Smith) Airport to Suvarnabhumi Airport? Avoid the stress of rushing to the airport (and enjoy a little extra shut-eye) by choosing one of these hotels close to SYD:

Arriving at Suvarnabhumi Airport (BKK)

The last thing you need is a lengthy trip to your hotel if you're getting in late on a Sydney (Kingsford Smith) Airport to Suvarnabhumi Airport flight. Book one of these accommodation options near BKK instead:
Travel at your own speed with a Suvarnabhumi Airport rental car. Book your wheels from Chic Car Rent, asap car hire or Hertz and experience more of Bangkok and beyond.
Get the best deal by reserving your ride from Suvarnabhumi Airport about four weeks before your trip.

Getting from Suvarnabhumi Airport (BKK) to central Bangkok

From Suvarnabhumi Airport, Bangkok is approximately 32 kilometres away. It takes around 35 minutes to drive to the centre.
Getting to the centre by public transport typically takes 1 hour 5 minutes.

When to fly to Suvarnabhumi Airport (BKK)

The quietest month for a flight from Sydney (Kingsford Smith) Airport to Suvarnabhumi Airport is April, while July is the busiest. Pick the ideal time to go to Bangkok based on whether you prefer a faster pace or a more relaxed vibe.
Before locking in your flight from Sydney (Kingsford Smith) Airport to Suvarnabhumi Airport, think about the kind of weather you like. April is the warmest month in Bangkok, with temperatures ranging from 26ºC (79ºF) to 37ºC (99ºF).
December sees average temperatures of between 19ºC (66ºF) and 33ºC (91ºF). Search for cheap tickets from SYD to BKK sometime around then if you like cooler conditions.

Explore more of Thailand

Bangkok has plenty to offer, but there are so many other parts of Thailand you should also see. Around 467 kilometres north-east of Bangkok, a visit to Udon Thani will fill your itinerary to the brim. Start with leading attractions like Nong Prajak Public Park, Krom Luang Prachaksinlapakhom Monument and Chinesisches Tor.
Around 64 kilometres south-east of Bangkok, Chon Buri is another favourite stop in Thailand. Get a taste of what this destination has to offer at Wat Ton Son, Forest and Phra Phutthasihing Hall.