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$243+ 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 17/2. Fares are subject to change and may not be available on all flights or dates of travel.
— BKK
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to Southeast Asia in 2025

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 12 December 2025.

Sun 14/1213:50SYD - DPS
1 stop11h 25mVirgin Australia
Fri 19/1223:20DPS - SYD
1 stop11h 30mVirgin Australia
Deal found 11/12$536
Thu 11/1209:00SYD - DPS
1 stop14h 55mVirgin Australia
Mon 15/1222:30DPS - SYD
Nonstop6h 10mVirgin Australia
Deal found 9/12$548
Tue 16/1214:25SYD - DPS
1 stop10h 50mVirgin Australia
Tue 23/1223:20DPS - SYD
1 stop11h 30mVirgin Australia
Deal found 11/12$550
Sun 14/1213:50SYD - DPS
1 stop11h 25mVirgin Australia
Wed 17/1223:20DPS - SYD
1 stop10h 30mVirgin Australia
Deal found 11/12$560
Sun 14/1209:30SYD - DPS
1 stop14h 25mMultiple Airlines
Fri 19/1221:05DPS - SYD
Nonstop6h 45mMultiple Airlines
Deal found 11/12$562
Fri 12/1208:00SYD - DPS
1 stop9h 45mVirgin Australia
Sun 14/1223:20DPS - SYD
1 stop11h 30mVirgin Australia
Deal found 10/12$568
Fri 12/1207:30SYD - DPS
1 stop10h 15mVirgin Australia
Fri 19/1223:20DPS - SYD
1 stop15h 00mVirgin Australia
Deal found 10/12$571
Sat 13/1218:20SYD - DPS
1 stop30h 55mVirgin Australia
Wed 17/1223:20DPS - SYD
1 stop13h 30mVirgin Australia
Deal found 12/12$572
Thu 11/1208:00SYD - DPS
1 stop9h 45mMultiple Airlines
Mon 15/1221:05DPS - SYD
Nonstop6h 45mMultiple Airlines
Deal found 10/12$574
Tue 16/1214:25SYD - SIN
2 stops22h 30mMultiple Airlines
Tue 23/1208:55SIN - SYD
1 stop21h 20mMultiple Airlines
Deal found 11/12$802
Sun 14/1215:50SYD - SIN
2 stops21h 05mMultiple Airlines
Thu 25/1207:55SIN - SYD
Nonstop7h 55mMultiple Airlines
Deal found 12/12$807
Thu 11/1209:00SYD - KUL
2 stops13h 10mMultiple Airlines
Tue 16/1210:40KUL - SYD
1 stop16h 35mMultiple Airlines
Deal found 9/12$825

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 12 December 2025
Explore Southeast Asia
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Find flight deals to Southeast Asia

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 12 December 2025.

Return from

$587

One-way from

$243

Popular in

December

Cheapest in

October

Average price

$1,425
VietJet Air
  • VietJet Air
  • 7/5-27/5
  • 2 total stops
  • 28h 35m total
  • Sydney to Bangkok
Search Deals
Batik Air
  • Batik Air
  • 17/2
  • Nonstop
  • 6h 30m total
  • Sydney to Southeast Asia
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($180 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average return price).
Search Deals
Average for return flights in December 2025
Search Deals

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 12 December 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

Sat 16/5

13:00-09:50

1 stop22h 50m

Denpasar Bali Ngurah Rai

Fri 29/5

17:35-19:35

1 stop24h 00m

$524

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Sat 11/4

08:20-22:15

1 stop15h 55m

Denpasar Bali Ngurah Rai

Sat 18/4

15:50-08:25

1 stop14h 35m

$563

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Mon 4/5

07:05-11:35

Nonstop6h 30m

Denpasar Bali Ngurah Rai

Thu 14/5

22:15-06:05

Nonstop5h 50m

$574

SydneyKuala Lumpur

SYD - KUL

SYDKUL

Sydney Kingsford Smith

Fri 13/3

10:45-16:25

Nonstop8h 40m

Kuala Lumpur Intl

Mon 30/3

09:15-20:35

Nonstop8h 20m

$592

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Sat 16/5

07:05-11:35

Nonstop6h 30m

Denpasar Bali Ngurah Rai

Fri 29/5

22:15-06:05

Nonstop5h 50m

$592

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Wed 13/5

07:05-11:35

Nonstop6h 30m

Denpasar Bali Ngurah Rai

Tue 19/5

22:15-06:05

Nonstop5h 50m

$595

SydneyKuala Lumpur

SYD - KUL

SYDKUL

Sydney Kingsford Smith

Wed 18/3

21:50-03:30

Nonstop8h 40m

Kuala Lumpur Intl

Mon 30/3

09:15-20:35

Nonstop8h 20m

$608

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Sat 18/4

13:00-16:35

1 stop29h 35m

Denpasar Bali Ngurah Rai

Fri 24/4

23:20-12:50

1 stop11h 30m

$634

SydneyDenpasar

SYD - DPS

SYDDPS

Sydney Kingsford Smith

Fri 13/2

07:15-10:45

Nonstop6h 30m

Denpasar Bali Ngurah Rai

Sat 28/2

21:10-06:15

Nonstop6h 05m

$635

SydneyPhuket City

SYD - HKT

SYDHKT

Sydney Kingsford Smith

Thu 19/3

20:05-19:20

1 stop27h 15m

Phuket City

Thu 2/4

20:55-09:40

Nonstop8h 45m

$638

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 60 results
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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 17 hours 47 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 Thursday mornings, 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 Cebu Pacific, Batik Air and Scoot.

Jetstar
Jetstar
From $147
Singapore Airlines
Singapore Airlines
From $477
Batik Air
Batik Air
From $222
Scoot
Scoot
From $203

What are the cheapest airlines that fly to Southeast Asia?

The cheapest airlines flying from Sydney to Southeast Asia are Thai Lion Air, Philippine Airlines and Jetstar.

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 12 December 2025.
Get a feel of what it's like to fly with Philippine Airlines, 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.
Philippine Airlines
7.3
Good
941 reviews
Check prices

Boarding

7.3

Entertainment

6.7

Comfort

7.1

Crew

8.0

Overall

7.3

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Maximino,Dec 2025

MNL - SIN

No seat back entertainment. No blanket. Spoon doesn't scoop rice. Forkcabtspear meat
Philippine Airlines
7.3
Good
941 reviews
Philippine Airlines
7.3
Good
941 reviews
Check prices

Boarding

7.3

Entertainment

6.7

Comfort

7.1

Crew

8.0

Overall

7.3

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Maximino,Dec 2025

MNL - SIN

No seat back entertainment. No blanket. Spoon doesn't scoop rice. Forkcabtspear meat
Cebu Pacific
6.8
Okay
203 reviews
Philippine Airlines
7.3
Good
941 reviews
Check prices

Boarding

7.3

Entertainment

6.7

Comfort

7.1

Crew

8.0

Overall

7.3

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Maximino,Dec 2025

MNL - SIN

No seat back entertainment. No blanket. Spoon doesn't scoop rice. Forkcabtspear meat
Scoot
6.7
Okay
311 reviews
Philippine Airlines
7.3
Good
941 reviews
Check prices

Boarding

7.3

Entertainment

6.7

Comfort

7.1

Crew

8.0

Overall

7.3

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Maximino,Dec 2025

MNL - SIN

No seat back entertainment. No blanket. Spoon doesn't scoop rice. Forkcabtspear meat
Jetstar
6.6
Okay
490 reviews
Philippine Airlines
7.3
Good
941 reviews
Check prices

Boarding

7.3

Entertainment

6.7

Comfort

7.1

Crew

8.0

Overall

7.3

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Maximino,Dec 2025

MNL - SIN

No seat back entertainment. No blanket. Spoon doesn't scoop rice. Forkcabtspear meat
Batik Air
5.8
Fair
76 reviews
Philippine Airlines
7.3
Good
941 reviews
Check prices

Boarding

7.3

Entertainment

6.7

Comfort

7.1

Crew

8.0

Overall

7.3

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Maximino,Dec 2025

MNL - SIN

No seat back entertainment. No blanket. Spoon doesn't scoop rice. Forkcabtspear meat

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, Indonesia AirAsia 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 $132, however they can be found for as little as $121.

  • 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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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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