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Cheap flights from Newcastle to Southeast Asia from $218

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
NTL — BKK
24 Apr — 1 May1
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 25 March 2026.

Wed 6/509:00
NTL
-
DPS
Nonstop6h 35m
Jetstar
Mon 11/523:50
DPS
-
NTL
Nonstop5h 50m
Jetstar
Deal found 21/3$380
Wed 22/409:00
NTL
-
DPS
Nonstop6h 35m
Jetstar
Tue 28/423:50
DPS
-
NTL
Nonstop5h 50m
Jetstar
Deal found 23/3$394
Tue 21/409:00
NTL
-
DPS
Nonstop6h 35m
Jetstar
Sat 25/423:50
DPS
-
NTL
Nonstop5h 50m
Jetstar
Deal found 22/3$400
Wed 15/409:00
NTL
-
DPS
Nonstop6h 35m
Jetstar
Tue 28/423:50
DPS
-
NTL
Nonstop5h 50m
Jetstar
Deal found 23/3$404
Wed 22/409:00
NTL
-
DPS
Nonstop6h 35m
Jetstar
Mon 27/423:50
DPS
-
NTL
Nonstop5h 50m
Jetstar
Deal found 23/3$414
Fri 24/409:00
NTL
-
DPS
Nonstop6h 35m
Jetstar
Tue 28/423:50
DPS
-
NTL
Nonstop5h 50m
Jetstar
Deal found 21/3$427
Wed 6/509:00
NTL
-
DPS
Nonstop6h 35m
Jetstar
Tue 19/523:50
DPS
-
NTL
Nonstop5h 50m
Jetstar
Deal found 24/3$433
Tue 14/409:00
NTL
-
DPS
Nonstop6h 35m
Jetstar
Mon 27/423:50
DPS
-
NTL
Nonstop5h 50m
Jetstar
Deal found 20/3$436
Fri 24/409:00
NTL
-
DPS
Nonstop6h 35m
Jetstar
Mon 27/423:50
DPS
-
NTL
Nonstop5h 50m
Jetstar
Deal found 22/3$444
Tue 28/409:00
NTL
-
SIN
1 stop11h 00m
Jetstar
Tue 5/519:25
SIN
-
NTL
1 stop10h 15m
Jetstar
Deal found 24/3$503
Tue 14/409:00
NTL
-
SIN
1 stop11h 00m
Jetstar
Tue 21/419:25
SIN
-
NTL
1 stop10h 15m
Jetstar
Deal found 22/3$637
Mon 4/508:35
NTL
-
SIN
1 stop12h 30m
Multiple Airlines
Mon 11/519:25
SIN
-
NTL
1 stop10h 15m
Multiple Airlines
Deal found 20/3$638

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 25 March 2026.

Round-trip from

$380

One-way from

$218

Popular in

April

Cheapest in

June

Average price

$968
Jetstar
  • Jetstar
  • 6/5-11/5
  • Nonstop
  • 12h 25m total
  • Newcastle to Southeast Asia
Search Deals
Jetstar
  • Jetstar
  • 15/4
  • Nonstop
  • 6h 35m total
  • Newcastle to Southeast Asia
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($441 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($130 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 25 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

Wed 6/5

09:00-13:35

Nonstop6h 35m

Denpasar Bali Ngurah Rai

Mon 11/5

23:50-07:40

Nonstop5h 50m

$383

NewcastleDenpasar

NTL - DPS

NTLDPS

Newcastle Williamtown

Tue 14/4

09:00-13:35

Nonstop6h 35m

Denpasar Bali Ngurah Rai

Mon 27/4

23:50-07:40

Nonstop5h 50m

$437

NewcastleDenpasar

NTL - DPS

NTLDPS

Newcastle Williamtown

Wed 6/5

09:00-13:35

Nonstop6h 35m

Denpasar Bali Ngurah Rai

Tue 12/5

22:10-15:10

1 stop15h 00m

$617

NewcastleSingapore

NTL - SIN

NTLSIN

Newcastle Williamtown

Tue 28/4

17:55-18:00

2 stops26h 05m

Singapore Changi

Tue 5/5

19:25-07:40

1 stop10h 15m

$627

NewcastleSingapore

NTL - SIN

NTLSIN

Newcastle Williamtown

Tue 14/4

09:00-18:00

1 stop11h 00m

Singapore Changi

Tue 21/4

19:25-07:40

1 stop10h 15m

$637

NewcastleDenpasar

NTL - DPS

NTLDPS

Newcastle Williamtown

Fri 24/4

14:40-22:00

1 stop9h 20m

Denpasar Bali Ngurah Rai

Thu 30/4

23:05-14:00

1 stop12h 55m

$642

NewcastleSingapore

NTL - SIN

NTLSIN

Newcastle Williamtown

Tue 21/4

09:00-18:00

1 stop11h 00m

Singapore Changi

Tue 28/4

19:25-07:40

1 stop10h 15m

$658

NewcastleDenpasar

NTL - DPS

NTLDPS

Newcastle Williamtown

Fri 14/8

09:00-13:35

Nonstop6h 35m

Denpasar Bali Ngurah Rai

Tue 25/8

23:25-17:15

1 stop15h 50m

$688

NewcastleSingapore

NTL - SIN

NTLSIN

Newcastle Williamtown

Mon 4/5

08:35-19:05

1 stop12h 30m

Singapore Changi

Mon 11/5

19:25-07:40

1 stop10h 15m

$690

NewcastleDenpasar

NTL - DPS

NTLDPS

Newcastle Williamtown

Mon 11/5

08:35-20:00

1 stop13h 25m

Denpasar Bali Ngurah Rai

Sat 16/5

21:20-08:30

1 stop9h 10m

$693

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Showing 1-10 of 47 resultsSorted by cheapest first
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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 $255). Flying from Newcastle to Southeast Asia in December is currently the most expensive (average of $569). 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 25 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
449 reviews
Check prices

Comfort

7.5

Crew

8.2

Overall

7.6

Entertainment

6.4

Food

6.4

Boarding

7.7

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
449 reviews
Virgin Australia
7.6
Good
449 reviews
Check prices

Comfort

7.5

Crew

8.2

Overall

7.6

Entertainment

6.4

Food

6.4

Boarding

7.7

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
533 reviews
Virgin Australia
7.6
Good
449 reviews
Check prices

Comfort

7.5

Crew

8.2

Overall

7.6

Entertainment

6.4

Food

6.4

Boarding

7.7

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 $383, 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 - Singapore Changi 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 $255). Flying from Newcastle to Southeast Asia in December is currently the most expensive (average of $569). 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

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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 25 March 2026.
AirlineCheapestAverageFlexibilityOn-time
JetstarCheapest$320Average$834FlexibilityNo 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!

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