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Cheap flights from London to Sumatra from £579

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KNO
2 Dec — 9 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 November 2025.

Tue 2/1208:50LHR - KNO
1 stop14h 50mMultiple Airlines
Tue 9/1216:50KNO - LHR
1 stop29h 35mMultiple Airlines
Deal found 2/11£579
Tue 25/1108:40LGW - PDG
2 stops24h 15mMultiple Airlines
Sun 7/1208:00PDG - LGW
2 stops28h 55mMultiple Airlines
Deal found 31/10£634
Tue 25/1108:50LHR - PDG
2 stops24h 05mMultiple Airlines
Sun 7/1208:00PDG - LHR
2 stops29h 40mMultiple Airlines
Deal found 31/10£661
Mon 1/1213:55LHR - KNO
1 stop33h 45mEtihad Airways
Wed 31/1208:40KNO - LHR
1 stop16h 30mEtihad Airways
Deal found 2/11£714
Mon 1/1219:10LCY - KNO
2 stops29h 50mSWISS
Wed 31/1220:30KNO - LCY
2 stops19h 55mSWISS
Deal found 2/11£763
Tue 2/1217:05LCY - KNO
2 stops32h 25mMultiple Airlines
Tue 9/1216:50KNO - LCY
2 stops23h 40mMultiple Airlines
Deal found 2/11£805
Mon 1/1218:40LHR - KNO
2 stops30h 20mSWISS
Wed 31/1220:30KNO - LHR
2 stops18h 35mSWISS
Deal found 2/11£813
Tue 25/1114:05STN - PDG
2 stops38h 10mEmirates
Sun 7/1212:05PDG - STN
2 stops31h 00mEmirates
Deal found 31/10£899
Tue 25/1114:05STN - PDG
3 stops34h 30mMultiple Airlines
Sun 7/1208:00PDG - STN
3 stops35h 05mMultiple Airlines
Deal found 31/10£1,105
Mon 1/1222:35LHR - KNO
2 stops34h 25mMultiple Airlines
Wed 31/1212:50KNO - LHR
3 stops27h 10mMultiple Airlines
Deal found 2/11£1,152
Tue 2/1206:30LHR - KNO
3 stops53h 30mGaruda Indonesia
Tue 9/1205:40KNO - LHR
3 stops34h 20mGaruda Indonesia
Deal found 2/11£1,251
Fri 26/1213:55LHR - KNO
1 stop33h 45mMultiple Airlines
Sun 4/112:50KNO - LHR
2 stops32h 10mMultiple Airlines
Deal found 1/11£1,347

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 2 November 2025.

Round-trip from

£579

Popular in

December

Cheapest in

November

Average price

£509
Malaysia Airlines
  • Malaysia Airlines
  • 2/12-9/12
  • 2 total stops
  • 44h 25m total
  • London to Sumatra
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£24 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£34 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 November 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

Tue 2/12

08:50-06:40

1 stop14h 50m

Medan Kuala Namu Intl

Tue 9/12

16:50-15:25

1 stop29h 35m

£579

LondonPadang

LGW - PDG

LGWPDG

London Gatwick

Tue 25/11

08:40-15:55

2 stops24h 15m

Padang Tabing

Sun 7/12

08:00-05:55

2 stops28h 55m

£634

LondonPadang

LHR - PDG

LHRPDG

London Heathrow

Tue 25/11

08:50-15:55

2 stops24h 05m

Padang Tabing

Sun 7/12

08:00-06:40

2 stops29h 40m

£661

LondonPadang

LHR - PDG

LHRPDG

London Heathrow

Wed 14/1

21:10-15:55

2 stops35h 45m

Padang Tabing

Sun 25/1

11:50-05:35

1 stop24h 45m

£676

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Mon 1/12

13:55-06:40

1 stop33h 45m

Medan Kuala Namu Intl

Wed 31/12

08:40-18:10

1 stop16h 30m

£714

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Wed 7/1

20:55-06:40

1 stop26h 45m

Medan Kuala Namu Intl

Thu 22/1

16:50-12:05

2 stops26h 15m

£749

LondonMedan

LCY - KNO

LCYKNO

London City

Mon 1/12

19:10-08:00

2 stops29h 50m

Medan Kuala Namu Intl

Wed 31/12

20:30-09:25

2 stops19h 55m

£763

LondonMedan

LGW - KNO

LGWKNO

London Gatwick

Wed 7/1

08:40-17:00

2 stops25h 20m

Medan Kuala Namu Intl

Thu 22/1

06:55-05:55

2 stops30h 00m

£790

LondonMedan

LCY - KNO

LCYKNO

London City

Tue 2/12

17:05-08:30

2 stops32h 25m

Medan Kuala Namu Intl

Tue 9/12

16:50-09:30

2 stops23h 40m

£805

LondonPadang

STN - PDG

STNPDG

London Stansted

Sun 8/3

14:05-11:15

2 stops38h 10m

Padang Tabing

Thu 12/3

12:05-12:05

2 stops31h 00m

£868

Flights are sorted by cheapest return flights first.

Deals found on 2/11

Showing 1-10 of 26 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 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 £239). Flying from London to Sumatra in July is currently the most expensive (average of £750). 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 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 2 November 2025.

One of the essential ways to save on airfare from London to Sumatra is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the evening could potentially save you up to 33% on airfare.

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 November 2025.
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
8.1
Very Good
1,391 reviews
Check prices

Entertainment

8.0

Overall

8.1

Food

7.7

Comfort

8.0

Crew

8.6

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Singapore Airlines
8.1
Very Good
1,391 reviews
Singapore Airlines
8.1
Very Good
1,391 reviews
Check prices

Entertainment

8.0

Overall

8.1

Food

7.7

Comfort

8.0

Crew

8.6

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Etihad Airways
7.4
Good
1,284 reviews
Singapore Airlines
8.1
Very Good
1,391 reviews
Check prices

Entertainment

8.0

Overall

8.1

Food

7.7

Comfort

8.0

Crew

8.6

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Malaysia Airlines
7.3
Good
278 reviews
Singapore Airlines
8.1
Very Good
1,391 reviews
Check prices

Entertainment

8.0

Overall

8.1

Food

7.7

Comfort

8.0

Crew

8.6

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

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 29h 50m. Etihad Airways provides one of the quickest options available for as low as £763. The distance from London to Sumatra is about 6395 mi. This flight may include one or multiple stops.

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

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

  • 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 £239). Flying from London to Sumatra in July is currently the most expensive (average of £750). 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

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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 2 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest£519Average£707FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Singapore AirlinesCheapest£605Average£748FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Malaysia AirlinesCheapest£611Average£670FlexibilityNo 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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