Find flights
When to book
Airlines
FAQs

Cheap flights from London to Sumatra from £445

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KNO
16 Mar — 23 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 14 February 2026.

Wed 15/710:25
LGW
-
KNO
1 stop25h 00m
Multiple Airlines
Thu 27/817:50
KNO
-
LGW
1 stop19h 15m
Multiple Airlines
Deal found 12/2£445
Mon 20/411:00
LHR
-
KNO
1 stop22h 00m
Malaysia Airlines
Thu 30/415:45
KNO
-
LHR
1 stop30h 50m
Malaysia Airlines
Deal found 11/2£567
Fri 13/319:20
LHR
-
KNO
1 stop28h 20m
Etihad Airways
Fri 20/308:40
KNO
-
LHR
1 stop16h 30m
Etihad Airways
Deal found 11/2£574
Fri 17/420:50
LHR
-
KNO
1 stop28h 15m
Etihad Airways
Sun 3/508:55
KNO
-
LHR
1 stop28h 05m
Etihad Airways
Deal found 11/2£579
Wed 4/319:20
LHR
-
KNO
1 stop28h 20m
Etihad Airways
Sun 8/308:40
KNO
-
LHR
1 stop36h 50m
Etihad Airways
Deal found 11/2£587
Mon 20/421:45
LHR
-
KNO
1 stop27h 20m
Etihad Airways
Wed 29/408:55
KNO
-
LHR
1 stop15h 50m
Etihad Airways
Deal found 11/2£589
Sat 18/409:30
LHR
-
KNO
1 stop15h 35m
Etihad Airways
Wed 29/408:55
KNO
-
LHR
1 stop15h 50m
Etihad Airways
Deal found 11/2£627
Sat 18/409:30
LHR
-
KNO
1 stop15h 35m
Etihad Airways
Sun 3/508:55
KNO
-
LHR
1 stop15h 50m
Etihad Airways
Deal found 11/2£646
Mon 20/420:50
LHR
-
KNO
2 stops36h 10m
Multiple Airlines
Thu 30/415:45
KNO
-
LHR
2 stops33h 25m
Multiple Airlines
Deal found 11/2£650
Mon 20/411:00
LHR
-
KNO
1 stop15h 55m
Multiple Airlines
Wed 29/415:00
KNO
-
LHR
2 stops34h 10m
Multiple Airlines
Deal found 11/2£675
Fri 13/321:25
LHR
-
KNO
1 stop28h 05m
Multiple Airlines
Fri 20/316:50
KNO
-
LHR
2 stops28h 00m
Multiple Airlines
Deal found 11/2£682
Sat 18/421:35
LHR
-
KNO
1 stop18h 20m
Multiple Airlines
Fri 1/515:00
KNO
-
LHR
2 stops21h 30m
Multiple Airlines
Deal found 11/2£686

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 14 February 2026.

Round-trip from

£445

Popular in

July

Cheapest in

November

Average price

£637
15/7-27/8
  • 15/7-27/8
  • 2 total stops
  • 44h 15m total
  • London to Sumatra
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£167 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£38 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 14 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

LGW - KNO

LGWKNO

London Gatwick

Wed 15/7

10:25-17:25

1 stop25h 00m

Medan Kuala Namu Intl

Thu 27/8

17:50-07:05

1 stop19h 15m

£445

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Wed 4/3

19:20-06:40

1 stop28h 20m

Medan Kuala Namu Intl

Sun 8/3

08:40-14:30

1 stop36h 50m

£587

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Tue 21/4

09:30-07:05

1 stop15h 35m

Medan Kuala Namu Intl

Sun 3/5

08:55-15:05

1 stop36h 10m

£589

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Thu 23/4

09:30-07:05

1 stop15h 35m

Medan Kuala Namu Intl

Sun 3/5

08:55-12:45

1 stop33h 50m

£589

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Fri 17/4

14:45-07:05

1 stop34h 20m

Medan Kuala Namu Intl

Wed 29/4

08:55-12:45

1 stop33h 50m

£589

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Thu 23/4

09:30-07:05

1 stop15h 35m

Medan Kuala Namu Intl

Wed 29/4

08:55-07:00

1 stop28h 05m

£589

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Tue 21/4

09:30-07:05

1 stop15h 35m

Medan Kuala Namu Intl

Fri 1/5

08:55-15:05

1 stop36h 10m

£589

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Mon 20/4

21:45-07:05

1 stop27h 20m

Medan Kuala Namu Intl

Wed 29/4

08:55-18:45

1 stop15h 50m

£589

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Thu 23/4

09:30-07:05

1 stop15h 35m

Medan Kuala Namu Intl

Fri 1/5

08:55-15:05

1 stop36h 10m

£589

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Sat 18/4

09:30-07:05

1 stop15h 35m

Medan Kuala Namu Intl

Wed 29/4

08:55-18:45

1 stop15h 50m

£627

Flights are sorted by cheapest return flights first.

Deals found on 11/2

Showing 1-10 of 32 results
1
2
3
4

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 £231). Flying from London to Sumatra in July is currently the most expensive (average of £1,079). 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 14 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
1,453 reviews
Check prices

Comfort

8.0

Boarding

8.3

Food

7.8

Crew

8.6

Overall

8.2

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
1,453 reviews
Singapore Airlines
8.2
Very Good
1,453 reviews
Check prices

Comfort

8.0

Boarding

8.3

Food

7.8

Crew

8.6

Overall

8.2

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
1,395 reviews
Singapore Airlines
8.2
Very Good
1,453 reviews
Check prices

Comfort

8.0

Boarding

8.3

Food

7.8

Crew

8.6

Overall

8.2

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
293 reviews
Singapore Airlines
8.2
Very Good
1,453 reviews
Check prices

Comfort

8.0

Boarding

8.3

Food

7.8

Crew

8.6

Overall

8.2

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 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. Etihad Airways provides one of the quickest options available for as low as £881. 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 Heathrow - Padang Tabing or London Gatwick - Padang Tabing, 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 £231). Flying from London to Sumatra in July is currently the most expensive (average of £1,079). 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.

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 14 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Malaysia AirlinesCheapest£231Average£655FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Etihad AirwaysCheapest£468Average£586FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Singapore AirlinesCheapest£566Average£730FlexibilityNo 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.