$218+ 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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
— BKK
15 Apr — 22 Apr1
1 adult
1 adult, Economy, 0 bags

Flights to Southeast Asia in 2026

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 16 March 2026.

Thu 14/520:40
SYD
-
DPS
1 stop21h 55m
Scoot
Sun 17/511:15
DPS
-
SYD
1 stop30h 05m
Scoot
Deal found 11/3$388
Mon 20/407:05
SYD
-
DPS
Nonstop6h 30m
Multiple Airlines
Wed 13/519:40
DPS
-
SYD
1 stop14h 05m
Multiple Airlines
Deal found 13/3$394
Thu 16/413:00
SYD
-
DPS
1 stop31h 40m
Multiple Airlines
Thu 30/422:35
DPS
-
SYD
Nonstop5h 55m
Multiple Airlines
Deal found 12/3$398
Tue 4/810:15
SYD
-
SGN
Nonstop8h 50m
VietJet Air
Tue 1/919:55
SGN
-
SYD
Nonstop8h 25m
VietJet Air
Deal found 15/3$398
Tue 3/1114:20
SYD
-
SGN
1 stop21h 45m
Multiple Airlines
Tue 17/1119:30
SGN
-
SYD
Nonstop8h 35m
Multiple Airlines
Deal found 15/3$399
Wed 29/407:05
SYD
-
DPS
Nonstop6h 30m
Multiple Airlines
Wed 6/522:35
DPS
-
SYD
Nonstop5h 55m
Multiple Airlines
Deal found 15/3$401
Thu 3/910:15
SYD
-
SGN
Nonstop8h 50m
Multiple Airlines
Thu 17/918:15
SGN
-
SYD
1 stop22h 05m
Multiple Airlines
Deal found 13/3$401
Tue 28/407:05
SYD
-
DPS
Nonstop6h 30m
Multiple Airlines
Wed 20/519:40
DPS
-
SYD
1 stop21h 40m
Multiple Airlines
Deal found 15/3$402
Sun 19/720:35
SYD
-
SGN
1 stop14h 40m
Multiple Airlines
Mon 17/819:55
SGN
-
SYD
Nonstop8h 25m
Multiple Airlines
Deal found 14/3$402
Sun 24/520:35
SYD
-
SGN
1 stop14h 40m
Scoot
Wed 10/609:15
SGN
-
SYD
1 stop31h 05m
Scoot
Deal found 12/3$404
Mon 20/407:05
SYD
-
DPS
Nonstop6h 30m
Multiple Airlines
Wed 29/422:35
DPS
-
SYD
Nonstop5h 55m
Multiple Airlines
Deal found 14/3$405
Tue 19/513:00
SYD
-
SGN
1 stop28h 40m
Scoot
Tue 2/615:40
SGN
-
SYD
1 stop24h 40m
Scoot
Deal found 11/3$405

Find flight deals to Southeast Asia

Find the latest flights to Southeast Asia in 2026, 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 16 March 2026.

Return from

$533

One-way from

$218

Popular in

December

Cheapest in

October

Average price

$932
Scoot
  • Scoot
  • 18/4-8/5
  • 2 total stops
  • 43h 40m total
  • Sydney to Bangkok
Scoot
  • Scoot
  • 21/4
  • 1 total stop
  • 14h 40m total
  • Sydney to Southeast Asia
Highest demand for flights based on searches. 13% potential increase in price ($156 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average return price).
Average for return flights in March 2026

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 16 March 2026.
Use the filters below to find and compare flights to Southeast Asia that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SydneyHo Chi Minh City

SYD - SGN

SYDSGN

Sydney Kingsford Smith

Tue 26/5

10:15-16:05

Nonstop8h 50m

Ho Chi Minh City

Wed 27/5

19:55-07:20

Nonstop8h 25m

$435

SydneyManila

SYD - MNL

SYDMNL

Sydney Kingsford Smith

Tue 5/5

20:50-12:15

1 stop17h 25m

Manila Ninoy Aquino Intl

Tue 19/5

22:45-19:35

1 stop18h 50m

$504

SydneyKuala Lumpur

SYD - SZB

SYDSZB

Sydney Kingsford Smith

Tue 12/5

13:00-13:10

1 stop26h 10m

Kuala Lumpur Subang

Wed 20/5

14:00-19:20

1 stop27h 20m

$531

SydneyKuala Lumpur

SYD - SZB

SYDSZB

Sydney Kingsford Smith

Mon 13/7

13:00-13:10

1 stop26h 10m

Kuala Lumpur Subang

Sat 29/8

14:00-19:20

1 stop27h 20m

$538

SydneyKuala Lumpur

SYD - SZB

SYDSZB

Sydney Kingsford Smith

Tue 5/5

20:35-13:10

1 stop18h 35m

Kuala Lumpur Subang

Tue 12/5

14:00-11:45

1 stop19h 45m

$570

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Mon 4/5

20:50-12:00

1 stop18h 10m

Bangkok Don Mueang Intl

Mon 11/5

18:45-19:35

1 stop21h 50m

$577

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Wed 15/4

09:45-20:50

1 stop14h 05m

Bangkok Don Mueang Intl

Tue 28/4

18:45-19:35

1 stop21h 50m

$577

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Sat 16/5

09:45-20:50

1 stop14h 05m

Bangkok Don Mueang Intl

Mon 18/5

18:45-19:35

1 stop21h 50m

$591

SydneyBangkok

SYD - DMK

SYDDMK

Sydney Kingsford Smith

Wed 6/5

20:50-09:30

1 stop15h 40m

Bangkok Don Mueang Intl

Sat 16/5

15:15-08:20

1 stop14h 05m

$594

SydneyKuala Lumpur

SYD - SZB

SYDSZB

Sydney Kingsford Smith

Fri 22/5

20:35-13:10

1 stop18h 35m

Kuala Lumpur Subang

Sun 24/5

14:00-19:20

1 stop27h 20m

$600

Flights are sorted by cheapest return flights first.

Deals found on 15/3

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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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 26 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 14 March 2026.

Users looking for the lowest fares to Southeast Asia should consider flying on Tuesday afternoons, when prices are typically cheapest. Budget-minded travellers will want to avoid Friday evenings, 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 Monday, which is when the least amount of flights are scheduled (17 on average).

What are the cheapest airlines that fly to Southeast Asia?

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

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 16 March 2026.
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.

Boarding

7.3

Crew

8.0

Entertainment

6.7

Overall

7.3

Comfort

7.1

Food

7.0

Reviews

1 / 20
6.0
Good

Manuelito,Mar 2026

SYD - MNL

Poor counter check in the staff are not accommodating slow customer service. I’ve have waiting two hour before the counters to open up and the lines were already long. The boarding gate again was late as usual to open up. I’m so disappointed to choose this airlines normally it was good before.

Boarding

7.3

Crew

8.0

Entertainment

6.7

Overall

7.3

Comfort

7.1

Food

7.0

Reviews

1 / 20
6.0
Good

Manuelito,Mar 2026

SYD - MNL

Poor counter check in the staff are not accommodating slow customer service. I’ve have waiting two hour before the counters to open up and the lines were already long. The boarding gate again was late as usual to open up. I’m so disappointed to choose this airlines normally it was good before.

Boarding

7.3

Crew

8.0

Entertainment

6.7

Overall

7.3

Comfort

7.1

Food

7.0

Reviews

1 / 20
6.0
Good

Manuelito,Mar 2026

SYD - MNL

Poor counter check in the staff are not accommodating slow customer service. I’ve have waiting two hour before the counters to open up and the lines were already long. The boarding gate again was late as usual to open up. I’m so disappointed to choose this airlines normally it was good before.

Boarding

7.3

Crew

8.0

Entertainment

6.7

Overall

7.3

Comfort

7.1

Food

7.0

Reviews

1 / 20
6.0
Good

Manuelito,Mar 2026

SYD - MNL

Poor counter check in the staff are not accommodating slow customer service. I’ve have waiting two hour before the counters to open up and the lines were already long. The boarding gate again was late as usual to open up. I’m so disappointed to choose this airlines normally it was good before.

Boarding

7.3

Crew

8.0

Entertainment

6.7

Overall

7.3

Comfort

7.1

Food

7.0

Reviews

1 / 20
6.0
Good

Manuelito,Mar 2026

SYD - MNL

Poor counter check in the staff are not accommodating slow customer service. I’ve have waiting two hour before the counters to open up and the lines were already long. The boarding gate again was late as usual to open up. I’m so disappointed to choose this airlines normally it was good before.

Boarding

7.3

Crew

8.0

Entertainment

6.7

Overall

7.3

Comfort

7.1

Food

7.0

Reviews

1 / 20
6.0
Good

Manuelito,Mar 2026

SYD - MNL

Poor counter check in the staff are not accommodating slow customer service. I’ve have waiting two hour before the counters to open up and the lines were already long. The boarding gate again was late as usual to open up. I’m so disappointed to choose this airlines normally it was good before.

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, Batik Air 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 $147, however they can be found for as little as $138.

  • 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights to Southeast Asia by cabin class

Find flights to Southeast Asia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

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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