$246+ 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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
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 21 October 2025.
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 21 October 2025
Explore Southeast Asia
Find flight deals to Southeast Asia
Cheapest flights to Southeast AsiaExplore the most affordable flight options available to Southeast Asia. Find the lowest fares based on data from user searches, with prices last updated on 21 October 2025.
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 21 October 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights to Southeast Asia that are best for you.
Fly from
Route
Depart
Return
Price
SydneyManila
SYD - MNL
SYDMNL
Sydney Kingsford Smith
Sun 2/11
10:45-00:35
1 stop16h 50m
Manila Ninoy Aquino Intl
Fri 7/11
12:55-09:15
1 stop17h 20m
SydneyDenpasar
SYD - DPS
SYDDPS
Sydney Kingsford Smith
Tue 9/12
10:30-20:55
1 stop13h 25m
Denpasar Bali Ngurah Rai
Tue 16/12
23:20-12:50
1 stop10h 30m
SydneyDenpasar
SYD - DPS
SYDDPS
Sydney Kingsford Smith
Thu 30/10
17:45-21:15
Nonstop6h 30m
Denpasar Bali Ngurah Rai
Thu 6/11
22:00-09:55
1 stop8h 55m
SydneyJakarta
SYD - CGK
SYDCGK
Sydney Kingsford Smith
Thu 30/10
20:05-10:25
1 stop18h 20m
Jakarta Soekarno-Hatta Intl
Sat 8/11
20:10-13:05
1 stop12h 55m
SydneyDenpasar
SYD - DPS
SYDDPS
Sydney Kingsford Smith
Sun 7/12
07:15-10:45
Nonstop6h 30m
Denpasar Bali Ngurah Rai
Wed 10/12
21:10-06:15
Nonstop6h 05m
SydneyDenpasar
SYD - DPS
SYDDPS
Sydney Kingsford Smith
Fri 14/11
06:35-09:55
Nonstop6h 20m
Denpasar Bali Ngurah Rai
Sat 29/11
22:20-07:30
Nonstop6h 10m
SydneyHo Chi Minh City
SYD - SGN
SYDSGN
Sydney Kingsford Smith
Sun 23/11
17:35-18:25
1 stop28h 50m
Ho Chi Minh City
Fri 5/12
19:30-08:05
Nonstop8h 35m
SydneyDenpasar
SYD - DPS
SYDDPS
Sydney Kingsford Smith
Sun 2/11
17:45-21:15
Nonstop6h 30m
Denpasar Bali Ngurah Rai
Sun 9/11
23:20-15:50
1 stop13h 30m
SydneyBangkok
SYD - DMK
SYDDMK
Sydney Kingsford Smith
Tue 4/11
21:50-12:50
1 stop19h 00m
Bangkok Don Mueang Intl
Wed 26/11
15:40-08:05
1 stop12h 25m
SydneyHo Chi Minh City
SYD - SGN
SYDSGN
Sydney Kingsford Smith
Fri 31/10
20:05-23:55
2 stops31h 50m
Ho Chi Minh City
Sat 29/11
09:05-18:50
1 stop29h 45m
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.
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 46 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 Tuesday (18 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 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.
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 21 October 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.
Comfort
Boarding
Entertainment
Overall
Crew
Food
Reviews
Carol,Oct 2025
ADL - MEL
Comfort
Boarding
Entertainment
Overall
Crew
Food
Reviews
Carol,Oct 2025
ADL - MEL
Comfort
Boarding
Entertainment
Overall
Crew
Food
Reviews
Carol,Oct 2025
ADL - MEL
Comfort
Boarding
Entertainment
Overall
Crew
Food
Reviews
Carol,Oct 2025
ADL - MEL
Comfort
Boarding
Entertainment
Overall
Crew
Food
Reviews
Carol,Oct 2025
ADL - MEL
Comfort
Boarding
Entertainment
Overall
Crew
Food
Reviews
Carol,Oct 2025
ADL - MEL
FAQs about flying to Southeast Asia
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!