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Cheap flights from Sydney to Sumatra from $614

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — KNO
11 Aug — 18 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Sumatra

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Sumatra
Explore the most affordable flight options available from Sydney to Sumatra. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 July 2026.

Sat 5/920:35
SYD
-
KNO
1 stop21h 40m
Scoot
Sun 13/916:00
KNO
-
SYD
1 stop24h 20m
Scoot
Deal found 10/7$614
Mon 24/813:00
SYD
-
PDG
1 stop30h 45m
Scoot
Mon 31/812:35
PDG
-
SYD
1 stop27h 45m
Scoot
Deal found 9/7$635
Tue 25/813:00
SYD
-
KNO
2 stops30h 15m
Multiple Airlines
Tue 1/916:00
KNO
-
SYD
1 stop16h 45m
Multiple Airlines
Deal found 10/7$653
Sat 5/920:35
SYD
-
KNO
2 stops19h 00m
Multiple Airlines
Sun 13/916:00
KNO
-
SYD
1 stop24h 20m
Multiple Airlines
Deal found 10/7$667
Mon 24/810:15
SYD
-
PDG
2 stops33h 30m
Multiple Airlines
Mon 31/812:35
PDG
-
SYD
1 stop20h 10m
Multiple Airlines
Deal found 10/7$673
Tue 25/822:15
SYD
-
PDG
1 stop12h 50m
Multiple Airlines
Tue 1/917:20
PDG
-
SYD
1 stop15h 25m
Multiple Airlines
Deal found 11/7$676
Tue 25/813:00
SYD
-
KNO
1 stop29h 15m
Scoot
Tue 1/916:00
KNO
-
SYD
1 stop16h 45m
Scoot
Deal found 10/7$683
Sat 1/820:35
SYD
-
KNO
2 stops22h 40m
Multiple Airlines
Sun 9/806:00
KNO
-
SYD
2 stops34h 20m
Multiple Airlines
Deal found 10/7$693
Fri 31/720:35
SYD
-
KNO
1 stop21h 40m
Multiple Airlines
Mon 10/806:55
KNO
-
SYD
1 stop33h 05m
Multiple Airlines
Deal found 7/7$709
Mon 27/713:00
SYD
-
KNO
1 stop29h 15m
Multiple Airlines
Wed 5/806:55
KNO
-
SYD
1 stop20h 20m
Multiple Airlines
Deal found 10/7$716
Sat 10/1009:50
SYD
-
PDG
1 stop26h 15m
Batik Air
Thu 22/1017:20
PDG
-
SYD
1 stop33h 35m
Batik Air
Deal found 10/7$717
Sat 5/920:35
SYD
-
KNO
1 stop21h 40m
Multiple Airlines
Sat 12/906:00
KNO
-
SYD
2 stops26h 45m
Multiple Airlines
Deal found 10/7$719

Find flight deals from Sydney to Sumatra

Keep the following information in mind while searching for Sydney to Sumatra flight deals. Data was last updated 12 July 2026.

Round-trip from

$614

Popular in

December

Cheapest in

July

Average price

$510
Scoot
  • Scoot
  • 5/9-13/9
  • 2 total stops
  • 46h 00m total
  • Sydney to Sumatra
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($292 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($46 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to Sumatra 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 July 2026.
Use the filters below to find and compare flights from Sydney to Sumatra that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyMedan

SYD - KNO

SYDKNO

Sydney Kingsford Smith

Sat 5/9

20:35-15:15

1 stop21h 40m

Medan Kuala Namu Intl

Sun 13/9

16:00-19:20

1 stop24h 20m

$614

SydneyPadang

SYD - PDG

SYDPDG

Sydney Kingsford Smith

Mon 24/8

13:00-16:45

1 stop30h 45m

Padang Tabing

Mon 31/8

12:35-19:20

1 stop27h 45m

$635
Fastest return journey

SydneyPadang

SYD - PDG

SYDPDG

Sydney Kingsford Smith

Tue 25/8

22:15-08:05

1 stop12h 50m

Padang Tabing

Tue 1/9

17:20-11:45

1 stop15h 25m

$676

SydneyPadang

SYD - PDG

SYDPDG

Sydney Kingsford Smith

Mon 24/8

10:15-16:45

2 stops33h 30m

Padang Tabing

Mon 31/8

12:35-11:45

1 stop20h 10m

$707

SydneyMedan

SYD - KNO

SYDKNO

Sydney Kingsford Smith

Fri 31/7

20:35-15:15

1 stop21h 40m

Medan Kuala Namu Intl

Mon 10/8

06:55-19:00

1 stop33h 05m

$715

SydneyMedan

SYD - KNO

SYDKNO

Sydney Kingsford Smith

Mon 27/7

13:00-15:15

1 stop29h 15m

Medan Kuala Namu Intl

Wed 5/8

06:55-06:15

1 stop20h 20m

$716

SydneyPadang

SYD - PDG

SYDPDG

Sydney Kingsford Smith

Sat 10/10

09:50-08:05

1 stop26h 15m

Padang Tabing

Thu 22/10

17:20-06:55

1 stop33h 35m

$717

SydneyMedan

SYD - KNO

SYDKNO

Sydney Kingsford Smith

Sat 1/8

08:35-20:40

1 stop15h 05m

Medan Kuala Namu Intl

Sun 9/8

06:55-06:15

1 stop20h 20m

$730

SydneyMedan

SYD - KNO

SYDKNO

Sydney Kingsford Smith

Sat 5/9

20:35-12:35

2 stops19h 00m

Medan Kuala Namu Intl

Sat 12/9

06:00-19:20

2 stops34h 20m

$732

SydneyPadang

SYD - PDG

SYDPDG

Sydney Kingsford Smith

Mon 10/8

20:35-16:45

1 stop23h 10m

Padang Tabing

Mon 17/8

17:20-19:00

1 stop22h 40m

$745

Flights are sorted by cheapest return flights first.

Deals found on 11/7

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Best time to book a flight from Sydney to Sumatra

Have a flexible travel schedule? Discover the best time to fly to Sumatra from Sydney 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 Sydney to Sumatra

What is the cheapest month to book a flight from Sydney to Sumatra?

Currently, April is the cheapest month in which you can book a flight from Sydney to Sumatra (average of $421). Flying from Sydney to Sumatra in December is currently the most expensive (average of $1,093). 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.

How far ahead should I book a flight from Sydney to Sumatra?

The best time to book flights from Sydney to Sumatra is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Sumatra

Get insights into the airlines that provide service to Sumatra. 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 Sumatra. Reviews last updated 12 July 2026.
See what other customers who have flown with Singapore Airlines,Garuda Indonesia, andMalaysia Airlines from Sydney to Sumatra have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,572 reviews
Check prices

Boarding

8.3

Food

7.8

Overall

8.2

Crew

8.6

Entertainment

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Matt,June 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello
Singapore Airlines
8.2
Very Good
1,572 reviews
Singapore Airlines
8.2
Very Good
1,572 reviews
Check prices

Boarding

8.3

Food

7.8

Overall

8.2

Crew

8.6

Entertainment

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Matt,June 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello
Garuda Indonesia
8.1
Very Good
94 reviews
Singapore Airlines
8.2
Very Good
1,572 reviews
Check prices

Boarding

8.3

Food

7.8

Overall

8.2

Crew

8.6

Entertainment

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Matt,June 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello
Malaysia Airlines
7.3
Good
313 reviews
Singapore Airlines
8.2
Very Good
1,572 reviews
Check prices

Boarding

8.3

Food

7.8

Overall

8.2

Crew

8.6

Entertainment

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Matt,June 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello
Scoot
6.7
Okay
325 reviews
Singapore Airlines
8.2
Very Good
1,572 reviews
Check prices

Boarding

8.3

Food

7.8

Overall

8.2

Crew

8.6

Entertainment

8.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Matt,June 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello

Related info for your journey

Find useful and relevant information for your journey from Sydney to Sumatra. 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 Sydney to Sumatra?

    If you book a flight to Sumatra from Sydney, you will be flying from Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 7.5 km from the centre of Sydney.

  • How long is the flight from Sydney to Sumatra?

    A quick flight from Sydney to Sumatra can take about 15h 05m. Scoot provides one of the quickest options available for as low as $730. There are 6880 km between Sydney and Sumatra. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Sydney to Sumatra one-way?

    $373 is the cheapest one-way deal found within the past few days, from Malaysia Airlines. You may also be able to find cheap deals on Garuda Indonesia and Singapore Airlines, with prices starting from $516 and $582, respectively.

  • What are the most popular routes from Sydney to Sumatra?

    The most popular flight routes from Sydney to Sumatra are Sydney Kingsford Smith - Medan Kuala Namu Intl, Sydney Kingsford Smith - Padang Tabing and Sydney Kingsford Smith - Bandar Lampung Radin Inten II.

  • Can I find deals for flights from Sydney to Sumatra that include hotel bookings?

    Yes. In addition to deals on Sydney to Sumatra flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Sumatra?

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

  • Can I find deals for business class flights from Sydney to Sumatra?

    Yes. Cheapflights offers flight deals from Sydney to Sumatra 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 Sydney to Sumatra?

    Currently, April is the cheapest month in which you can book a flight from Sydney to Sumatra (average of $421). Flying from Sydney to Sumatra in December is currently the most expensive (average of $1,093). 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 4 airlines flying from Sydney to Sumatra

Discover the top 4 airlines that operate flights from Sydney to Sumatra. 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 July 2026.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$421Average$538FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Malaysia AirlinesCheapest$479Average$650FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Singapore AirlinesCheapest$696Average$931FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Garuda IndonesiaCheapest$896Average$1,225FlexibilityNo cancel feeOn-time71%
Search Garuda Indonesia 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 Sydney to Sumatra?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Sydney to Sumatra. 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 from Sydney to Sumatra?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Sumatra from Sydney.

Can Cheapflights find flights from Sydney to Sumatra with no change fees?

Certainly. Search results for flights to Sumatra from Sydney shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Sydney to Sumatra become cheaper?

Of course! You can now track prices for flights from Sydney to Sumatra and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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