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$248+ Cheap flights to Southeast Asia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
— BKK
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Flights to Southeast Asia in 2025

Find the latest flights to Southeast Asia in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 7 November 2025.

Return from

$563

One-way from

$248

Popular in

December

Cheapest in

February

Average price

$1,046
2/2-30/3
  • 2/2-30/3
  • 2 total stops
  • 33h 00m total
  • Sydney to Bangkok
Search Deals
12/11
  • 12/11
  • 1 total stop
  • 16h 45m total
  • Sydney to Southeast Asia
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($196 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average return price).
Search Deals
Average for return flights in November 2025
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Find flights to Southeast Asia

Browse one-way and return flights deals to Southeast Asia on Cheapflights. Flight deals are based on user searches and were last updated on 7 November 2025
Explore Southeast Asia
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Look for other cheap flights to Jakarta
Look for other cheap flights to Da Nang
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Look for other cheap flights to Siem Reap
Look for other cheap flights to Davao City
Look for other cheap flights to Krabi

Find flight deals to Southeast Asia

Enter your travel dates to find the best prices.

Cheapest flights to Southeast Asia
Explore the most affordable flight options available to Southeast Asia. Find the lowest fares based on data from user searches, with prices last updated on 7 November 2025.

Tue 18/1111:15SYD - SGN
Nonstop8h 35mMultiple Airlines
Thu 4/1209:05SGN - SYD
1 stop29h 45mMultiple Airlines
Deal found 6/11$417
Mon 17/1114:20SYD - SGN
1 stop21h 45mMultiple Airlines
Fri 28/1119:30SGN - SYD
Nonstop8h 35mMultiple Airlines
Deal found 5/11$428
Wed 12/1120:05SYD - SGN
1 stop16h 00mMultiple Airlines
Thu 13/1119:30SGN - SYD
Nonstop8h 35mMultiple Airlines
Deal found 5/11$429
Mon 10/1120:05SYD - SGN
1 stop16h 00mMultiple Airlines
Mon 17/1119:30SGN - SYD
Nonstop8h 35mMultiple Airlines
Deal found 4/11$431
Tue 11/1120:05SYD - SGN
1 stop16h 00mMultiple Airlines
Thu 20/1119:30SGN - SYD
Nonstop8h 35mMultiple Airlines
Deal found 6/11$432
Fri 14/1111:15SYD - SGN
Nonstop8h 35mVietJet Air
Wed 19/1119:30SGN - SYD
Nonstop8h 35mVietJet Air
Deal found 7/11$434
Thu 13/1111:15SYD - SGN
Nonstop8h 35mVietJet Air
Tue 18/1119:30SGN - SYD
Nonstop8h 35mVietJet Air
Deal found 7/11$436
Thu 20/1117:45SYD - DPS
Nonstop6h 30mVirgin Australia
Thu 27/1122:30DPS - SYD
Nonstop6h 10mVirgin Australia
Deal found 5/11$440
Thu 13/1111:15SYD - SGN
Nonstop8h 35mMultiple Airlines
Thu 27/1117:35SGN - SYD
1 stop15h 30mMultiple Airlines
Deal found 6/11$440
Tue 18/1107:15SYD - DPS
Nonstop6h 30mBatik Air
Tue 25/1121:10DPS - SYD
Nonstop6h 05mBatik Air
Deal found 6/11$442
Tue 18/1107:45SYD - DPS
1 stop10h 00mVirgin Australia
Sun 23/1123:20DPS - SYD
1 stop11h 30mVirgin Australia
Deal found 6/11$443
Mon 17/1120:05SYD - SGN
1 stop16h 00mMultiple Airlines
Thu 4/1219:30SGN - SYD
Nonstop8h 35mMultiple Airlines
Deal found 6/11$443

Cheapflights Fare Finder

 
Locate flights to Southeast Asia that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 7 November 2025.
Use the filters below to find and compare flights to Southeast Asia that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Thu 15/1

13:50-22:15

1 stop11h 25m

Denpasar Bali Ngurah Rai

Fri 30/1

15:50-08:25

1 stop13h 35m

$439

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Mon 23/2

17:45-21:15

Nonstop6h 30m

Denpasar Bali Ngurah Rai

Mon 2/3

22:30-07:40

Nonstop6h 10m

$440

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Tue 2/12

17:45-21:15

Nonstop6h 30m

Denpasar Bali Ngurah Rai

Sun 7/12

23:20-16:50

1 stop14h 30m

$445

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Fri 6/2

13:50-22:15

1 stop11h 25m

Denpasar Bali Ngurah Rai

Sat 21/2

22:30-07:40

Nonstop6h 10m

$451

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Thu 20/11

17:45-21:15

Nonstop6h 30m

Denpasar Bali Ngurah Rai

Thu 4/12

15:50-07:25

1 stop12h 35m

$452

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Fri 28/11

11:30-20:55

1 stop12h 25m

Denpasar Bali Ngurah Rai

Sun 30/11

23:20-12:50

1 stop10h 30m

$465

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Fri 28/11

17:35-21:00

Nonstop6h 25m

Denpasar Bali Ngurah Rai

Fri 5/12

11:15-20:15

Nonstop6h 00m

$471

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Sat 29/11

17:35-21:00

Nonstop6h 25m

Denpasar Bali Ngurah Rai

Sat 6/12

22:20-07:30

Nonstop6h 10m

$471

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Mon 8/12

07:45-14:45

1 stop10h 00m

Denpasar Bali Ngurah Rai

Mon 15/12

23:20-13:50

1 stop11h 30m

$489

SydneyHo Chi Minh City

SYD - SGN

SYDSGN

Sydney Kingsford Smith

Thu 12/3

11:15-15:50

Nonstop8h 35m

Ho Chi Minh City

Mon 16/3

19:30-08:05

Nonstop8h 35m

$492

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Showing 1-10 of 60 results
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6

Best time to book a flight to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to Southeast Asia

How long is the flight to Southeast Asia?

On average, a flight from Sydney to Southeast Asia takes 18 hours 53 minutes. Flights to Southeast Asia from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Southeast Asia?

Use this chart to determine the cheapest time to fly return from Sydney to Southeast Asia. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Southeast Asia should consider flying on Friday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Saturday mornings, when prices are usually at their highest.

Weekly flight availability to Southeast Asia

The most flights from Sydney to Southeast Asia are scheduled on a Monday (17 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (16 on average).

What are the most popular airlines that fly to Southeast Asia?

The most popular airlines flying from Sydney to Southeast Asia are Batik Air, Cebu Pacific and Scoot.

Jetstar
Jetstar
From $154
Singapore Airlines
Singapore Airlines
From $494
Batik Air
Batik Air
From $53
Scoot
Scoot
From $210

What are the cheapest airlines that fly to Southeast Asia?

The cheapest airlines flying from Sydney to Southeast Asia are VietJet Air, Batik Air and Philippine Airlines.

Rainfall in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Southeast Asia ranges from 10.0 - 320.0 mm per month. September is typically the wettest month, when rainfall can reach 320.0 mm. January is typically the driest time to visit Southeast Asia when rainfall is around 10.0 mm.

Temperature in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Southeast Asia, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southeast Asia. Reviews last updated 7 November 2025.
Get a feel of what it's like to fly with Qantas Airways, Cebu Pacific, andScoot to Southeast Asia by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
929 reviews
Check prices

Comfort

7.5

Boarding

7.7

Entertainment

7.2

Overall

7.5

Food

7.0

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Qantas Airways
7.5
Good
929 reviews
Qantas Airways
7.5
Good
929 reviews
Check prices

Comfort

7.5

Boarding

7.7

Entertainment

7.2

Overall

7.5

Food

7.0

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Cebu Pacific
6.8
Okay
202 reviews
Qantas Airways
7.5
Good
929 reviews
Check prices

Comfort

7.5

Boarding

7.7

Entertainment

7.2

Overall

7.5

Food

7.0

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Scoot
6.7
Okay
309 reviews
Qantas Airways
7.5
Good
929 reviews
Check prices

Comfort

7.5

Boarding

7.7

Entertainment

7.2

Overall

7.5

Food

7.0

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Jetstar
6.6
Okay
481 reviews
Qantas Airways
7.5
Good
929 reviews
Check prices

Comfort

7.5

Boarding

7.7

Entertainment

7.2

Overall

7.5

Food

7.0

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Batik Air
5.8
Fair
74 reviews
Qantas Airways
7.5
Good
929 reviews
Check prices

Comfort

7.5

Boarding

7.7

Entertainment

7.2

Overall

7.5

Food

7.0

Crew

8.2

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.

FAQs about flying to Southeast Asia

  • Can I find cheaper flights to Southeast Asia if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Southeast Asia on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Southeast Asia?

    Based on reviews from Cheapflights users, Virgin Australia is rated the highest out of the airlines that fly to Southeast Asia.

  • How much is a return flight to Southeast Asia?

    A return flight to Southeast Asia will typically cost around $1,537, however they can be found for as little as $98.

  • Where does the fastest flight to Southeast Asia depart from?

    For those looking to save time traveling to Southeast Asia, Darwin offers the quickest one-way flight (1 hour 20 minutes).

  • Does Bangkok Suvarnabhumi have car hire?

    Yes. Those touching down at Bangkok Suvarnabhumi can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Bangkok Suvarnabhumi?

    Yes. Bangkok Suvarnabhumi has hotels nearby for those requiring accommodations. Louis Tavern Dayrooms At Suvarnabhumi Airport is the closest property to Bangkok Suvarnabhumi (0.0 km away from Bangkok Suvarnabhumi).

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Search flights to Southeast Asia by cabin class

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to Southeast Asia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights to Southeast Asia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets to Southeast Asia?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights to Southeast Asia.

Can Cheapflights find flights to Southeast Asia with no change fees?

Yes, we can. To see specific flights to Southeast Asia with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights to Southeast Asia become cheaper?

Yes, and it’s super simple to set up Price Alerts. Click the bell icon next to the flight deals above and provide your email address. That’s it!

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