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Cheap flights from London Heathrow Airport to Sumatra from £351

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 17/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — KNO
4 Mar — 11 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Sumatra

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Sumatra
Explore the most affordable flight options available from Heathrow to Sumatra. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 February 2026.

Mon 2/310:40
LHR
-
KNO
1 stop26h 00m
Singapore Airlines
Mon 9/320:30
KNO
-
LHR
1 stop25h 50m
Singapore Airlines
Deal found 31/1£565
Mon 2/321:00
LHR
-
KNO
3 stops34h 15m
Multiple Airlines
Mon 9/316:50
KNO
-
LHR
1 stop29h 35m
Multiple Airlines
Deal found 31/1£575
Wed 4/320:55
LHR
-
KNO
1 stop26h 45m
Etihad Airways
Sun 8/308:40
KNO
-
LHR
1 stop29h 00m
Etihad Airways
Deal found 1/2£600
Wed 3/611:00
LHR
-
PDG
1 stop18h 10m
Multiple Airlines
Wed 24/616:05
PDG
-
LHR
2 stops33h 55m
Multiple Airlines
Deal found 31/1£665
Thu 5/308:50
LHR
-
KNO
1 stop14h 50m
Etihad Airways
Thu 19/312:50
KNO
-
LHR
2 stops36h 20m
Etihad Airways
Deal found 1/2£667
Thu 19/321:05
LHR
-
PDG
3 stops32h 05m
Multiple Airlines
Thu 26/311:50
PDG
-
LHR
2 stops25h 45m
Multiple Airlines
Deal found 2/2£676
Sat 20/608:25
LHR
-
PDG
2 stops27h 05m
Multiple Airlines
Thu 2/712:05
PDG
-
LHR
2 stops24h 25m
Multiple Airlines
Deal found 2/2£689
Sun 1/310:25
LHR
-
KNO
1 stop16h 20m
Multiple Airlines
Thu 12/318:50
KNO
-
LHR
2 stops26h 00m
Multiple Airlines
Deal found 1/2£697
Thu 5/321:25
LHR
-
KNO
1 stop17h 55m
Multiple Airlines
Thu 19/306:00
KNO
-
LHR
3 stops42h 35m
Multiple Airlines
Deal found 1/2£725
Sat 20/621:45
LHR
-
PDG
2 stops31h 30m
Etihad Airways
Thu 2/712:00
PDG
-
LHR
2 stops30h 45m
Etihad Airways
Deal found 1/2£744
Sun 1/313:55
LHR
-
KNO
2 stops36h 35m
Etihad Airways
Thu 12/318:00
KNO
-
LHR
2 stops43h 40m
Etihad Airways
Deal found 1/2£770
Wed 4/308:50
LHR
-
PDG
2 stops27h 45m
Etihad Airways
Sun 8/317:15
PDG
-
LHR
2 stops25h 50m
Etihad Airways
Deal found 1/2£785

Find flight deals from Heathrow to Sumatra

Keep the following information in mind while searching for Heathrow to Sumatra flight deals. Data was last updated 2 February 2026.

Round-trip from

£565

One-way from

£351

Popular in

December

Cheapest in

November

Average price

£749
Singapore Airlines
  • Singapore Airlines
  • 2/3-9/3
  • 2 total stops
  • 51h 50m total
  • London to Sumatra
Search Deals
Singapore Airlines
  • Singapore Airlines
  • 17/3
  • 1 total stop
  • 15h 50m total
  • London to Sumatra
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£6 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£30 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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 858,174 searches. Data last updated 2 February 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Sumatra that are best for you.

Fly from

Heathrow

Fly to

Sumatra

Route

Depart

Return

Price

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Mon 2/3

10:40-19:40

1 stop26h 00m

Medan Kuala Namu Intl

Mon 9/3

20:30-15:20

1 stop25h 50m

£565

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Mon 2/3

21:00-14:15

3 stops34h 15m

Medan Kuala Namu Intl

Mon 9/3

16:50-15:25

1 stop29h 35m

£575

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Wed 4/3

20:55-06:40

1 stop26h 45m

Medan Kuala Namu Intl

Sun 8/3

08:40-12:05

1 stop34h 25m

£600

LondonPadang

LHR - PDG

LHRPDG

London Heathrow

Wed 3/6

11:00-11:10

1 stop18h 10m

Padang Tabing

Wed 24/6

16:05-20:00

2 stops33h 55m

£665

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Thu 5/3

08:50-06:40

1 stop14h 50m

Medan Kuala Namu Intl

Thu 19/3

12:50-18:10

2 stops36h 20m

£667

LondonPadang

LHR - PDG

LHRPDG

London Heathrow

Thu 19/3

21:05-12:10

3 stops32h 05m

Padang Tabing

Thu 26/3

11:50-06:35

2 stops25h 45m

£676

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Thu 5/3

21:25-22:20

1 stop17h 55m

Medan Kuala Namu Intl

Thu 19/3

06:00-17:35

3 stops42h 35m

£725

LondonPadang

LHR - PDG

LHRPDG

London Heathrow

Sat 20/6

21:45-11:15

2 stops31h 30m

Padang Tabing

Thu 2/7

12:00-12:45

2 stops30h 45m

£744

LondonPadang

LHR - PDG

LHRPDG

London Heathrow

Wed 4/3

08:50-19:35

2 stops27h 45m

Padang Tabing

Sun 8/3

17:15-12:05

2 stops25h 50m

£785

LondonPadang

LHR - PDG

LHRPDG

London Heathrow

Sat 20/6

21:35-07:55

1 stop28h 20m

Padang Tabing

Thu 2/7

16:05-06:30

2 stops20h 25m

£805

Flights are sorted by cheapest return flights first.

Deals found on 1/2

Showing 1-10 of 16 results
1
2

Best time to book a flight from Heathrow to Sumatra

Have a flexible travel schedule? Discover the best time to fly to Sumatra from Heathrow 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 London Heathrow Airport to Sumatra

What is the cheapest month to book a flight from London Heathrow Airport to Sumatra?

Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Sumatra (average of £230). Flying from London Heathrow Airport to Sumatra in July is currently the most expensive (average of £721). 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 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 2 February 2026.
Get a feel of what it's like to fly with Singapore Airlines, Etihad Airways, andMalaysia Airlines from London Heathrow Airport to Sumatra 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.
Singapore Airlines
8.2
Very Good
1,443 reviews
Check prices

Boarding

8.3

Crew

8.6

Food

7.8

Overall

8.2

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.
Singapore Airlines
8.2
Very Good
1,443 reviews
Singapore Airlines
8.2
Very Good
1,443 reviews
Check prices

Boarding

8.3

Crew

8.6

Food

7.8

Overall

8.2

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.
Etihad Airways
7.3
Good
1,379 reviews
Singapore Airlines
8.2
Very Good
1,443 reviews
Check prices

Boarding

8.3

Crew

8.6

Food

7.8

Overall

8.2

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.
Malaysia Airlines
7.3
Good
290 reviews
Singapore Airlines
8.2
Very Good
1,443 reviews
Check prices

Boarding

8.3

Crew

8.6

Food

7.8

Overall

8.2

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

Related info for your journey

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

  • How long is the flight from London Heathrow Airport to Sumatra?

    There are many flights that can get you from London Heathrow Airport to Sumatra in 26h. Fly via Singapore Airlines or Etihad Airways to get the fastest option. There are 6416 mi between London Heathrow Airport and Sumatra. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 London Heathrow Airport to Sumatra?

    Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Sumatra (average of £230). Flying from London Heathrow Airport to Sumatra in July is currently the most expensive (average of £721). 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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Alternative routes for Heathrow to Sumatra

See prices for flight routes from nearby airports that may be better suited for you.
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Gatwick to Surabaya flights
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London City to Surabaya flights
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Heathrow to Sorong flights
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Gatwick to Sorong flights
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Gatwick to Medan flights
London City to Medan flights
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Top 3 airlines flying from Heathrow to Sumatra

Discover the top 3 airlines that operate flights from Heathrow 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 858,174 searches. Data last updated 2 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Malaysia AirlinesCheapest£230Average£652FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Etihad AirwaysCheapest£466Average£583FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Singapore AirlinesCheapest£563Average£727FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines 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 Heathrow to Sumatra?

Cheapflights makes it easy to find Heathrow to Sumatra flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Sumatra?

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Sumatra for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Sumatra from Heathrow 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 Heathrow to Sumatra become cheaper?

Not ready to book yet? You can track prices for flights from Heathrow to Sumatra on Cheapflights with our Price Alert feature and get notified when better prices are available.

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