Find flights
When to book
Airlines
FAQs

Cheap flights from London to Sumatra from £303

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 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KNO
4 Mar — 11 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Sumatra

Enter your travel dates to find the best prices.

Cheapest flights from London to Sumatra
Explore the most affordable flight options available from London 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
Mon 2/309:25
LGW
-
KNO
1 stop27h 15m
Singapore Airlines
Mon 9/308:50
KNO
-
LGW
1 stop28h 35m
Singapore Airlines
Deal found 31/1£615
Wed 3/609:00
LGW
-
PDG
2 stops26h 30m
Multiple Airlines
Wed 24/612:05
PDG
-
LGW
2 stops24h 35m
Multiple Airlines
Deal found 31/1£651
Sat 20/608:10
LGW
-
PDG
2 stops27h 20m
Multiple Airlines
Thu 2/712:05
PDG
-
LGW
2 stops31h 20m
Multiple Airlines
Deal found 2/2£659
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 19/316:35
LGW
-
PDG
3 stops36h 35m
Multiple Airlines
Thu 26/311:50
PDG
-
LGW
2 stops31h 45m
Multiple Airlines
Deal found 2/2£670
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
Mon 2/309:25
LGW
-
KNO
1 stop27h 15m
Multiple Airlines
Mon 9/312:30
KNO
-
LGW
2 stops25h 10m
Multiple Airlines
Deal found 31/1£694

Find flight deals from London to Sumatra

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

Round-trip from

£565

One-way from

£303

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
14/6
  • 14/6
  • 2 total stops
  • 27h 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 London 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 to Sumatra that are best for you.

Fly from

London

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

LondonMedan

LGW - KNO

LGWKNO

London Gatwick

Mon 2/3

09:25-19:40

1 stop27h 15m

Medan Kuala Namu Intl

Mon 9/3

08:50-06:25

1 stop28h 35m

£615

LondonPadang

LGW - PDG

LGWPDG

London Gatwick

Wed 3/6

09:00-17:30

2 stops26h 30m

Padang Tabing

Wed 24/6

12:05-06:40

2 stops24h 35m

£651

LondonPadang

LGW - PDG

LGWPDG

London Gatwick

Sat 20/6

08:10-17:30

2 stops27h 20m

Padang Tabing

Thu 2/7

12:05-13:25

2 stops31h 20m

£659

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

LGW - PDG

LGWPDG

London Gatwick

Thu 19/3

16:35-12:10

3 stops36h 35m

Padang Tabing

Thu 26/3

11:50-12:35

2 stops31h 45m

£670

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

Flights are sorted by cheapest return flights first.

Deals found on 31/1

Showing 1-10 of 49 results
1
2
3
...
5

Best time to book a flight from London to Sumatra

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

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

Currently, May is the cheapest month in which you can book a flight from London to Sumatra (average of £230). Flying from London 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 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

Comfort

8.0

Entertainment

8.0

Overall

8.2

Boarding

8.3

Crew

8.6

Food

7.8

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

Comfort

8.0

Entertainment

8.0

Overall

8.2

Boarding

8.3

Crew

8.6

Food

7.8

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

Comfort

8.0

Entertainment

8.0

Overall

8.2

Boarding

8.3

Crew

8.6

Food

7.8

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

Comfort

8.0

Entertainment

8.0

Overall

8.2

Boarding

8.3

Crew

8.6

Food

7.8

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 London 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 to Sumatra?

    A quick flight from London to Sumatra can take about 26h. Singapore Airlines provides one of the quickest options available for as low as £565. The distance from London to Sumatra is about 6416 mi. This flight may include one or multiple stops.

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

    While some choose either London Stansted - Padang Tabing or London Heathrow - Padang Tabing, London Gatwick - Padang Tabing is the most popular route from London to Sumatra.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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 to Sumatra?

    Currently, May is the cheapest month in which you can book a flight from London to Sumatra (average of £230). Flying from London 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Sumatra

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Denpasar flights
Gatwick to Denpasar flights
Stansted to Denpasar flights
London City to Denpasar flights
Manchester to Denpasar flights
Heathrow to Soekarno-Hatta Intl flights
Luton to Denpasar flights
Gatwick to Soekarno-Hatta Intl flights
Stansted to Soekarno-Hatta Intl flights
London City to Soekarno-Hatta Intl flights
Birmingham to Denpasar flights
Edinburgh to Denpasar flights
Manchester to Soekarno-Hatta Intl flights
Luton to Soekarno-Hatta Intl flights
Heathrow to Balikpapan flights
Southend to Denpasar flights
Newcastle upon Tyne to Denpasar flights
Heathrow to Praya flights
Heathrow to Surabaya flights
Gatwick to Praya flights
Gatwick to Surabaya flights
Edinburgh to Soekarno-Hatta Intl flights
Heathrow to Semarang flights
Birmingham to Soekarno-Hatta Intl flights
Gatwick to Semarang flights
Bristol to Denpasar flights
London City to Surabaya flights
Southend to Soekarno-Hatta Intl flights
Southampton to Denpasar flights
Heathrow to Sorong flights
Heathrow to Manado flights
Manchester to Praya flights
Liverpool to Denpasar flights
Gatwick to Padang flights
Gatwick to Sorong flights
Heathrow to Makassar flights
Heathrow to Surakarta City flights
Heathrow to Padang flights
Gatwick to Makassar flights
Newcastle upon Tyne to Soekarno-Hatta Intl flights
Heathrow to Banjarmasin flights

Top 3 airlines flying from London to Sumatra

Discover the top 3 airlines that operate flights from London 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 London to Sumatra?

Deals for London to Sumatra flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Sumatra for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from London to Sumatra with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sumatra from London today and book when prices fit your budget.

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.