Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Newcastle to Southeast Asia from $275

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
NTL — BKK
11 Apr — 18 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Newcastle to Southeast Asia

Enter your travel dates to find the best prices.

Cheapest flights from Newcastle to Southeast Asia
Explore the most affordable flight options available from Newcastle to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 March 2026.

Tue 14/409:00
NTL
-
DPS
Nonstop6h 35m
Jetstar
Tue 28/423:50
DPS
-
NTL
Nonstop5h 50m
Jetstar
Deal found 9/3$384
Tue 21/409:00
NTL
-
DPS
Nonstop6h 35m
Jetstar
Tue 28/423:50
DPS
-
NTL
Nonstop5h 50m
Jetstar
Deal found 7/3$394
Tue 1/1209:45
NTL
-
DPS
Nonstop6h 35m
Jetstar
Tue 8/1223:25
DPS
-
NTL
Nonstop5h 55m
Jetstar
Deal found 10/3$423
Fri 8/509:00
NTL
-
DPS
Nonstop6h 35m
Jetstar
Tue 12/523:50
DPS
-
NTL
Nonstop5h 50m
Jetstar
Deal found 9/3$443
Sun 19/409:00
NTL
-
DPS
Nonstop6h 35m
Jetstar
Thu 30/423:50
DPS
-
NTL
Nonstop5h 50m
Jetstar
Deal found 10/3$454
Wed 15/409:00
NTL
-
DPS
Nonstop6h 35m
Jetstar
Thu 23/423:50
DPS
-
NTL
Nonstop5h 50m
Jetstar
Deal found 8/3$460
Thu 12/309:30
NTL
-
DPS
Nonstop6h 35m
Jetstar
Mon 23/323:20
DPS
-
NTL
Nonstop5h 55m
Jetstar
Deal found 9/3$462
Wed 22/408:35
NTL
-
DPS
1 stop13h 25m
Jetstar
Tue 28/423:50
DPS
-
NTL
Nonstop5h 50m
Jetstar
Deal found 7/3$475
Wed 22/409:00
NTL
-
DPS
Nonstop6h 35m
Jetstar
Thu 30/423:50
DPS
-
NTL
Nonstop5h 50m
Jetstar
Deal found 8/3$481
Sun 1/1109:45
NTL
-
DPS
Nonstop6h 35m
Jetstar
Mon 9/1123:25
DPS
-
NTL
Nonstop5h 55m
Jetstar
Deal found 9/3$502
Thu 12/309:30
NTL
-
DPS
Nonstop6h 35m
Multiple Airlines
Mon 23/320:10
DPS
-
NTL
1 stop8h 50m
Multiple Airlines
Deal found 9/3$503
Tue 21/409:00
NTL
-
SIN
1 stop11h 00m
Jetstar
Tue 28/419:25
SIN
-
NTL
1 stop10h 15m
Jetstar
Deal found 10/3$534

Find flight deals from Newcastle to Southeast Asia

Keep the following information in mind while searching for Newcastle to Southeast Asia flight deals. Data was last updated 12 March 2026.

Round-trip from

$384

One-way from

$275

Popular in

April

Cheapest in

June

Average price

$943
Jetstar
  • Jetstar
  • 14/4-28/4
  • Nonstop
  • 12h 25m total
  • Newcastle to Southeast Asia
Search Deals
Jetstar
  • Jetstar
  • 8/4
  • Nonstop
  • 6h 35m total
  • Newcastle to Southeast Asia
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($419 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($123 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Newcastle to Southeast Asia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 12 March 2026.
Use the filters below to find and compare flights from Newcastle to Southeast Asia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

NewcastleDenpasar

NTL - DPS

NTLDPS

Newcastle Williamtown

Sun 19/4

09:00-13:35

Nonstop6h 35m

Denpasar Bali Ngurah Rai

Thu 30/4

23:50-07:40

Nonstop5h 50m

$384

NewcastleDenpasar

NTL - DPS

NTLDPS

Newcastle Williamtown

Fri 8/5

09:00-13:35

Nonstop6h 35m

Denpasar Bali Ngurah Rai

Tue 12/5

23:50-07:40

Nonstop5h 50m

$443

NewcastleDenpasar

NTL - DPS

NTLDPS

Newcastle Williamtown

Wed 22/4

09:00-13:35

Nonstop6h 35m

Denpasar Bali Ngurah Rai

Wed 29/4

22:10-15:10

1 stop15h 00m

$504

NewcastleDenpasar

NTL - DPS

NTLDPS

Newcastle Williamtown

Tue 21/4

08:35-20:00

1 stop13h 25m

Denpasar Bali Ngurah Rai

Tue 28/4

23:50-07:40

Nonstop5h 50m

$510

NewcastleDenpasar

NTL - DPS

NTLDPS

Newcastle Williamtown

Fri 8/5

09:00-13:35

Nonstop6h 35m

Denpasar Bali Ngurah Rai

Wed 13/5

22:10-15:10

1 stop15h 00m

$551

NewcastleDenpasar

NTL - DPS

NTLDPS

Newcastle Williamtown

Tue 19/5

09:00-13:35

Nonstop6h 35m

Denpasar Bali Ngurah Rai

Sat 30/5

23:50-07:40

Nonstop5h 50m

$580

NewcastleSingapore

NTL - SIN

NTLSIN

Newcastle Williamtown

Tue 21/4

17:55-18:00

2 stops26h 05m

Singapore Changi

Tue 28/4

19:25-07:40

1 stop10h 15m

$653

NewcastleDenpasar

NTL - DPS

NTLDPS

Newcastle Williamtown

Wed 1/4

10:00-13:35

Nonstop6h 35m

Denpasar Bali Ngurah Rai

Mon 6/4

23:50-07:40

Nonstop5h 50m

$669

NewcastleSingapore

NTL - SIN

NTLSIN

Newcastle Williamtown

Mon 27/4

17:55-18:00

2 stops26h 05m

Singapore Changi

Mon 4/5

19:25-07:40

1 stop10h 15m

$687

NewcastleSingapore

NTL - SIN

NTLSIN

Newcastle Williamtown

Thu 23/4

17:55-18:00

1 stop26h 05m

Singapore Changi

Thu 30/4

21:00-08:00

1 stop33h 00m

$734

Flights are sorted by cheapest return flights first.

Deals found on 12/3

Showing 1-10 of 42 resultsSorted by cheapest first
1
2
3
...
5

Best time to book a flight from Newcastle to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Newcastle 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 from Newcastle to Southeast Asia

What is the cheapest month to book a flight from Newcastle to Southeast Asia?

Currently, August is the cheapest month in which you can book a flight from Newcastle to Southeast Asia (average of $247). Flying from Newcastle to Southeast Asia in December is currently the most expensive (average of $555). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 March 2026.
See what other customers who have flown with Virgin Australia and Jetstar from Newcastle to Southeast Asia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Virgin Australia
7.6
Good
446 reviews
Check prices

Overall

7.6

Crew

8.2

Boarding

7.7

Entertainment

6.4

Comfort

7.5

Food

6.4

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now
Virgin Australia
7.6
Good
446 reviews
Virgin Australia
7.6
Good
446 reviews
Check prices

Overall

7.6

Crew

8.2

Boarding

7.7

Entertainment

6.4

Comfort

7.5

Food

6.4

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now
Jetstar
6.5
Okay
529 reviews
Virgin Australia
7.6
Good
446 reviews
Check prices

Overall

7.6

Crew

8.2

Boarding

7.7

Entertainment

6.4

Comfort

7.5

Food

6.4

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now

Related info for your journey

Find useful and relevant information for your journey from Newcastle to Southeast Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Newcastle to Southeast Asia?

    Most people fly from Newcastle Williamtown (NTL) if they book a flight from Newcastle to Southeast Asia. Newcastle Williamtown is conveniently located just 15.6 km from Newcastle’s city centre.

  • How long is the flight from Newcastle to Southeast Asia?

    For as low as $384, Jetstar can have you in Southeast Asia from Newcastle in 6h 35m. The distance from Newcastle to Southeast Asia is about 4612 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Newcastle to Southeast Asia?

    Most travellers choose Newcastle Williamtown - Denpasar Bali Ngurah Rai, Newcastle Williamtown - Labuan or Newcastle Williamtown - Bangkok Suvarnabhumi when deciding on the best route from Newcastle to Southeast Asia.

  • Can I find deals for flights from Newcastle to Southeast Asia that include hotel bookings?

    Yes. In addition to deals on Newcastle to Southeast Asia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Newcastle to Southeast Asia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Newcastle to Southeast Asia.

  • Can I find deals for business class flights from Newcastle to Southeast Asia?

    Yes. Cheapflights offers flight deals from Newcastle to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Newcastle to Southeast Asia?

    Currently, August is the cheapest month in which you can book a flight from Newcastle to Southeast Asia (average of $247). Flying from Newcastle to Southeast Asia in December is currently the most expensive (average of $555). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.

Top airline flying from Newcastle to Southeast Asia

Discover the top airline that operate flights from Newcastle to Southeast Asia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 12 March 2026.
AirlineCheapestAverageFlexibilityOn-time
JetstarCheapest$312Average$813FlexibilityNo cancel feeOn-time74%
Search Jetstar flights

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 from Newcastle to Southeast Asia?

Cheapflights helps you search for flights from Newcastle to Southeast Asia via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Newcastle to Southeast Asia by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Newcastle to Southeast Asia flexibly with Cheapflights today.

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

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.