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Cheap flights from London to Sumatra from £332

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 19/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KNO
11 janv. — 18 janv.1
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 12 décembre 2025.

lun. 22/1206:15LGW - KNO
3 stops28h 05mMultiple Airlines
mar. 6/114:40KNO - LGW
3 stops37h 55mMultiple Airlines
Deal found 10/12£986
ven. 19/1206:50LGW - KNO
3 stops40h 50mMultiple Airlines
dim. 4/116:50KNO - LGW
2 stops23h 35mMultiple Airlines
Deal found 10/12£1,199
lun. 22/1208:35LHR - KNO
3 stops22h 40mMultiple Airlines
mar. 6/109:25KNO - LHR
3 stops35h 15mMultiple Airlines
Deal found 10/12£1,234
ven. 19/1217:45LHR - KNO
2 stops18h 55mMultiple Airlines
dim. 4/116:50KNO - LHR
2 stops30h 10mMultiple Airlines
Deal found 10/12£1,279
lun. 22/1221:30LHR - KNO
2 stops28h 00mQatar Airways
mar. 6/116:50KNO - LHR
2 stops27h 30mQatar Airways
Deal found 10/12£1,473
ven. 19/1213:55LHR - KNO
1 stop33h 45mEtihad Airways
dim. 4/108:40KNO - LHR
1 stop36h 50mEtihad Airways
Deal found 10/12£1,528
lun. 22/1219:10LCY - KNO
2 stops17h 30mMultiple Airlines
mar. 6/108:50KNO - LCY
2 stops31h 25mMultiple Airlines
Deal found 10/12£2,698
ven. 19/1209:20LGW - KNO
1 stop27h 20mSingapore Airlines
dim. 4/120:30KNO - LGW
1 stop16h 55mSingapore Airlines
Deal found 10/12£2,741
ven. 19/1217:40LCY - KNO
2 stops19h 00mSWISS
dim. 4/120:30KNO - LCY
2 stops19h 10mSWISS
Deal found 10/12£2,967

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 12 décembre 2025.

Round-trip from

£599

One-way from

£332

Popular in

December

Cheapest in

November

Average price

£1,206
24/1-31/1
  • 24/1-31/1
  • 4 total stops
  • 60h 45m total
  • London to Sumatra
Search Deals
19/2
  • 19/2
  • 3 total stops
  • 40h 15m total
  • London to Sumatra
Search Deals
High demand for flights, 0% potential price rise
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 December 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 12 décembre 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

LondonPadang

LHR - PDG

LHRPDG

London Heathrow

sam. 24/1

18:40-12:10

2 stops34h 30m

Padang Tabing

sam. 31/1

12:50-08:05

2 stops26h 15m

£599

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

ven. 22/5

18:40-19:30

2 stops18h 50m

Medan Kuala Namu Intl

sam. 30/5

16:35-08:40

2 stops22h 05m

£615

LondonMedan

LCY - KNO

LCYKNO

London City

ven. 22/5

19:20-19:30

2 stops18h 10m

Medan Kuala Namu Intl

sam. 30/5

16:35-18:35

2 stops32h 00m

£659

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

jeu. 22/1

08:50-09:30

2 stops41h 40m

Medan Kuala Namu Intl

dim. 25/1

08:40-06:40

1 stop29h 00m

£672

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

mer. 1/4

15:30-19:30

2 stops22h 00m

Medan Kuala Namu Intl

ven. 1/5

16:35-09:40

2 stops23h 05m

£683

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

ven. 22/5

11:25-15:50

1 stop22h 25m

Medan Kuala Namu Intl

sam. 30/5

20:20-15:45

1 stop25h 25m

£695

LondonMedan

LGW - KNO

LGWKNO

London Gatwick

ven. 22/5

10:15-15:50

1 stop23h 35m

Medan Kuala Namu Intl

sam. 30/5

16:35-06:25

1 stop19h 50m

£701

LondonMedan

LGW - KNO

LGWKNO

London Gatwick

ven. 22/5

14:55-20:40

2 stops23h 45m

Medan Kuala Namu Intl

sam. 30/5

06:55-13:25

2 stops36h 30m

£704

LondonPadang

LHR - PDG

LHRPDG

London Heathrow

sam. 24/1

20:35-12:10

1 stop32h 35m

Padang Tabing

sam. 31/1

12:50-15:20

1 stop33h 30m

£736

LondonMedan

LGW - KNO

LGWKNO

London Gatwick

mer. 1/4

10:15-19:30

1 stop27h 15m

Medan Kuala Namu Intl

ven. 1/5

08:45-06:25

1 stop27h 40m

£781

Flights are sorted by cheapest return flights first.

Deals found on 10/12

Showing 1-10 of 31 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 £235). Flying from London to Sumatra in July is currently the most expensive (average of £737). 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 12 décembre 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 12 décembre 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
1,412 reviews
Check prices

Overall

8.1

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Food

7.8

Crew

8.6

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
1,412 reviews
Singapore Airlines
8.1
Very Good
1,412 reviews
Check prices

Overall

8.1

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Food

7.8

Crew

8.6

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
1,331 reviews
Singapore Airlines
8.1
Very Good
1,412 reviews
Check prices

Overall

8.1

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Food

7.8

Crew

8.6

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
282 reviews
Singapore Airlines
8.1
Very Good
1,412 reviews
Check prices

Overall

8.1

Boarding

8.3

Comfort

8.0

Entertainment

8.0

Food

7.8

Crew

8.6

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 22h 25m. Etihad Airways provides one of the quickest options available for as low as £695. 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 Heathrow - Medan Kuala Namu Intl or London City - Medan Kuala Namu Intl, London Gatwick - 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 £235). Flying from London to Sumatra in July is currently the most expensive (average of £737). 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 12 décembre 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest£476Average£596FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Singapore AirlinesCheapest£593Average£749FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Malaysia AirlinesCheapest£601Average£657FlexibilityNo 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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