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Cheap flights from London to Sumatra from £352

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KNO
5 Sep — 12 Sep1
1 adult

Cheap flight deals from London to Sumatra

Keep the following information in mind while searching for London to Sumatra flight deals. Data was last updated 31 August 2025.

Round-trip from

£596

One-way from

£386

Popular in

December

Cheapest in

September

Average price

£907
13/10-20/10
  • 13/10-20/10
  • 3 total stops
  • 70h 35m total
  • London to Sumatra
Search Deals
5/1
  • 5/1
  • 3 total stops
  • 29h 05m total
  • London to Sumatra
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£45 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from London to Sumatra

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 31 August 2025.

Mon 13/1021:45LHR - KNO
1 stop27h 00mMultiple Airlines
Mon 20/1006:25KNO - LHR
2 stops43h 35mMultiple Airlines
Deal found 29/8£596
Wed 15/1020:25LGW - PDG
3 stops38h 55mMultiple Airlines
Wed 22/1016:05PDG - LGW
3 stops32h 45mMultiple Airlines
Deal found 31/8£625
Fri 26/914:40LHR - KNO
2 stops25h 40mMultiple Airlines
Fri 3/1020:00KNO - LHR
2 stops30h 30mMultiple Airlines
Deal found 29/8£628
Sat 15/1121:25LHR - KNO
1 stop35h 35mMalaysia Airlines
Thu 27/1116:50KNO - LHR
1 stop29h 35mMalaysia Airlines
Deal found 29/8£633
Fri 10/1014:45LHR - KNO
1 stop34h 00mMultiple Airlines
Sat 25/1006:25KNO - LHR
2 stops33h 15mMultiple Airlines
Deal found 29/8£643
Sat 15/1121:25LHR - KNO
1 stop17h 30mMultiple Airlines
Thu 27/1112:20KNO - LHR
2 stops37h 50mMultiple Airlines
Deal found 29/8£648
Wed 15/1021:05STN - PDG
3 stops38h 15mMultiple Airlines
Wed 22/1016:05PDG - STN
3 stops28h 00mMultiple Airlines
Deal found 31/8£662
Sat 11/1020:55LHR - KNO
2 stops19h 00mMultiple Airlines
Sat 25/1006:25KNO - LHR
3 stops31h 45mMultiple Airlines
Deal found 29/8£694
Wed 15/1013:45LHR - PDG
2 stops21h 45mMultiple Airlines
Wed 22/1012:05PDG - LHR
2 stops24h 20mMultiple Airlines
Deal found 31/8£703
Sat 1/1110:40LHR - KNO
1 stop38h 20mSingapore Airlines
Fri 13/320:30KNO - LHR
1 stop25h 50mSingapore Airlines
Deal found 31/8£719
Wed 15/1021:10STN - PDG
2 stops32h 05mEmirates
Wed 22/1012:00PDG - STN
2 stops30h 55mEmirates
Deal found 31/8£956
Fri 26/917:00LCY - KNO
2 stops33h 00mMultiple Airlines
Fri 3/1020:20KNO - LCY
2 stops50h 55mMultiple Airlines
Deal found 29/8£1,125

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 31 August 2025.
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 13/10

21:45-06:45

1 stop27h 00m

Medan Kuala Namu Intl

Mon 20/10

06:25-20:00

2 stops43h 35m

£596

LondonPadang

LGW - PDG

LGWPDG

London Gatwick

Wed 15/10

20:25-17:20

3 stops38h 55m

Padang Tabing

Wed 22/10

16:05-18:50

3 stops32h 45m

£625

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Fri 26/9

14:40-22:20

2 stops25h 40m

Medan Kuala Namu Intl

Fri 3/10

20:00-20:30

2 stops30h 30m

£628

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Sat 15/11

21:25-16:00

1 stop35h 35m

Medan Kuala Namu Intl

Thu 27/11

16:50-15:25

1 stop29h 35m

£633

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Fri 10/10

14:45-06:45

1 stop34h 00m

Medan Kuala Namu Intl

Sat 25/10

06:25-09:40

2 stops33h 15m

£643

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Sat 11/10

09:30-06:45

1 stop15h 15m

Medan Kuala Namu Intl

Sat 25/10

06:25-09:40

2 stops33h 15m

£643

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Sat 15/11

21:25-21:55

1 stop17h 30m

Medan Kuala Namu Intl

Thu 27/11

12:20-19:10

2 stops37h 50m

£648

LondonPadang

STN - PDG

STNPDG

London Stansted

Wed 15/10

21:05-17:20

3 stops38h 15m

Padang Tabing

Wed 22/10

16:05-14:05

3 stops28h 00m

£662

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Mon 5/1

19:20-07:15

2 stops28h 55m

Medan Kuala Namu Intl

Tue 10/3

14:20-06:40

2 stops23h 20m

£702

LondonPadang

LHR - PDG

LHRPDG

London Heathrow

Wed 15/10

13:45-17:30

2 stops21h 45m

Padang Tabing

Wed 22/10

12:05-06:25

2 stops24h 20m

£703

Flights are sorted by cheapest return flights first.

Deals found on 31/8

Showing 1-10 of 38 results
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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 time of day to fly from LON to FXC?

Find hourly flight availability from London to Sumatra. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 August 2025.

When flying from London to Sumatra, 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 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 31 August 2025.
Get a feel of what it's like to fly with Singapore Airlines and Malaysia 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
8.1
Very Good
1,354 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Overall

8.1

Food

7.7

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Singapore Airlines
8.1
Very Good
1,354 reviews
Singapore Airlines
8.1
Very Good
1,354 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Overall

8.1

Food

7.7

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Malaysia Airlines
7.3
Good
278 reviews
Singapore Airlines
8.1
Very Good
1,354 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Comfort

7.9

Overall

8.1

Food

7.7

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

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 24h. Malaysia Airlines provides one of the quickest options available for as low as £924. The distance from London to Sumatra is about 6408 mi. This flight may include one or multiple stops.

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

    While some choose either London Gatwick - Medan Kuala Namu Intl or London City - Medan Kuala Namu Intl, London Heathrow - Medan Kuala Namu Intl 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to Sumatra

See prices for flight routes from nearby airports that may be better suited for you.
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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 31 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest£507Average£688FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Singapore AirlinesCheapest£589Average£730FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Malaysia AirlinesCheapest£595Average£653FlexibilityNo cancel feeOn-time67%
Search Malaysia 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.

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