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Cheap flights from Newcastle to Southeast Asia from $300

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
NTL — BKK
11 Jun — 18 Jun1
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 May 2026.

Wed 10/609:00
NTL
-
DPS
Nonstop6h 35m
Jetstar
Tue 16/623:50
DPS
-
NTL
Nonstop5h 50m
Jetstar
Deal found 11/5$498
Wed 4/1109:45
NTL
-
DPS
Nonstop6h 35m
Jetstar
Thu 12/1123:55
DPS
-
NTL
1 stop17h 55m
Jetstar
Deal found 9/5$508
Wed 10/609:00
NTL
-
DPS
Nonstop6h 35m
Jetstar
Mon 29/623:50
DPS
-
NTL
Nonstop5h 50m
Jetstar
Deal found 9/5$513
Wed 10/609:00
NTL
-
DPS
Nonstop6h 35m
Jetstar
Tue 23/623:50
DPS
-
NTL
Nonstop5h 50m
Jetstar
Deal found 8/5$533
Sun 21/609:00
NTL
-
DPS
Nonstop6h 35m
Jetstar
Tue 23/623:50
DPS
-
NTL
Nonstop5h 50m
Jetstar
Deal found 12/5$620
Tue 12/509:00
NTL
-
DPS
Nonstop6h 35m
Jetstar
Tue 26/523:50
DPS
-
NTL
Nonstop5h 50m
Jetstar
Deal found 9/5$622
Wed 16/909:00
NTL
-
DPS
Nonstop6h 35m
Jetstar
Tue 22/923:50
DPS
-
NTL
Nonstop5h 50m
Jetstar
Deal found 10/5$624
Wed 22/709:00
NTL
-
DPS
Nonstop6h 35m
Jetstar
Sat 1/823:45
DPS
-
NTL
1 stop17h 30m
Jetstar
Deal found 7/5$632
Tue 21/709:00
NTL
-
DPS
Nonstop6h 35m
Jetstar
Tue 28/723:50
DPS
-
NTL
Nonstop5h 50m
Jetstar
Deal found 11/5$634
Wed 10/609:00
NTL
-
DPS
Nonstop6h 35m
Multiple Airlines
Tue 16/615:50
DPS
-
NTL
1 stop20h 10m
Multiple Airlines
Deal found 11/5$642
Wed 21/1010:00
NTL
-
SIN
1 stop11h 00m
Jetstar
Fri 30/1021:00
SIN
-
NTL
1 stop15h 05m
Jetstar
Deal found 9/5$675
Tue 18/814:40
NTL
-
SGN
1 stop33h 20m
Multiple Airlines
Tue 25/819:55
SGN
-
NTL
1 stop16h 55m
Multiple Airlines
Deal found 11/5$694

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 May 2026.

Round-trip from

$498

One-way from

$300
Jetstar
  • Jetstar
  • 10/6-16/6
  • Nonstop
  • 12h 25m total
  • Newcastle to Southeast Asia
Search Deals
Jetstar
  • Jetstar
  • 10/6
  • Nonstop
  • 6h 35m total
  • Newcastle to Southeast Asia
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 May 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 16/9

09:00-13:35

Nonstop6h 35m

Denpasar Bali Ngurah Rai

Tue 22/9

23:50-07:40

Nonstop5h 50m

$624

NewcastleDenpasar

NTL - DPS

NTLDPS

Newcastle Williamtown

Wed 17/6

09:00-13:35

Nonstop6h 35m

Denpasar Bali Ngurah Rai

Tue 23/6

23:50-07:40

Nonstop5h 50m

$642

NewcastleDenpasar

NTL - DPS

NTLDPS

Newcastle Williamtown

Tue 23/6

09:00-13:35

Nonstop6h 35m

Denpasar Bali Ngurah Rai

Tue 30/6

23:50-07:40

Nonstop5h 50m

$642

NewcastleSingapore

NTL - SIN

NTLSIN

Newcastle Williamtown

Wed 21/10

10:00-18:00

1 stop11h 00m

Singapore Changi

Fri 30/10

21:00-15:05

1 stop15h 05m

$675

NewcastleDenpasar

NTL - DPS

NTLDPS

Newcastle Williamtown

Thu 5/11

08:35-19:00

1 stop13h 25m

Denpasar Bali Ngurah Rai

Tue 10/11

23:25-08:20

Nonstop5h 55m

$679

NewcastleDenpasar

NTL - DPS

NTLDPS

Newcastle Williamtown

Mon 19/10

08:35-19:00

1 stop13h 25m

Denpasar Bali Ngurah Rai

Sat 24/10

23:45-20:50

1 stop18h 05m

$723

NewcastleSingapore

NTL - SIN

NTLSIN

Newcastle Williamtown

Tue 18/8

14:40-19:05

1 stop30h 25m

Singapore Changi

Sun 23/8

11:05-08:05

1 stop19h 00m

$740

NewcastleSingapore

NTL - SIN

NTLSIN

Newcastle Williamtown

Tue 9/6

15:45-19:30

2 stops29h 45m

Singapore Changi

Thu 25/6

21:00-08:40

1 stop33h 40m

$838

NewcastleSingapore

NTL - SIN

NTLSIN

Newcastle Williamtown

Tue 18/8

17:55-12:05

2 stops20h 10m

Singapore Changi

Mon 24/8

21:00-14:00

1 stop15h 00m

$844

NewcastleDenpasar

NTL - DPS

NTLDPS

Newcastle Williamtown

Mon 28/9

08:45-22:00

1 stop15h 15m

Denpasar Bali Ngurah Rai

Mon 5/10

23:05-15:00

1 stop12h 55m

$848

Flights are sorted by cheapest return flights first.

Deals found on 8/5

Showing 1-10 of 43 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

How far ahead should I book a flight from Newcastle to Southeast Asia?

The price you pay for your flight from Newcastle to Southeast Asia may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Newcastle to Southeast Asia (average of $152). Flying from Newcastle to Southeast Asia in August is currently the most expensive (average of $272). 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.

What is the cheapest time of day to fly from NTL to YJX?

Find hourly flight availability from Newcastle to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 May 2026.

When flying from Newcastle to Southeast Asia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 May 2026.
See what other customers who have flown with Virgin Australia,Qantas Airways, andJetstar 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
451 reviews
Check prices

Boarding

7.7

Food

6.4

Entertainment

6.4

Overall

7.6

Comfort

7.5

Crew

8.2

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
451 reviews
Virgin Australia
7.6
Good
451 reviews
Check prices

Boarding

7.7

Food

6.4

Entertainment

6.4

Overall

7.6

Comfort

7.5

Crew

8.2

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
Qantas Airways
7.5
Good
1,035 reviews
Virgin Australia
7.6
Good
451 reviews
Check prices

Boarding

7.7

Food

6.4

Entertainment

6.4

Overall

7.6

Comfort

7.5

Crew

8.2

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
538 reviews
Virgin Australia
7.6
Good
451 reviews
Check prices

Boarding

7.7

Food

6.4

Entertainment

6.4

Overall

7.6

Comfort

7.5

Crew

8.2

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 $624, 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, January is the cheapest month in which you can book a flight from Newcastle to Southeast Asia (average of $152). Flying from Newcastle to Southeast Asia in August is currently the most expensive (average of $272). 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 2 airlines flying from Newcastle to Southeast Asia

Discover the top 2 airlines 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 May 2026.
AirlineCheapestAverageFlexibilityOn-time
JetstarCheapest$309Average$801FlexibilityNo cancel feeOn-time74%
Search Jetstar flights
Qantas AirwaysCheapest$1,004Average$1,615FlexibilityNo cancel feeOn-time74%
Search Qantas Airways 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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