How long is the flight from London to Sumatra?

A quick flight from London to Sumatra can take about 31h 45m. SWISS provides one of the quickest options available for as low as £702. The distance from London to Sumatra is about 6416 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Sumatra ranges from 80.0 - 270.0 inches per month. October is typically the wettest month, when rainfall can reach 270.0 mm. February is typically the driest time to visit Sumatra when rainfall is around 80.0 mm.

If weather is an important factor for your trip to Sumatra, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

What are the most popular routes from London to Sumatra?

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

What is the cheapest time of day to fly from LON to FXC?

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.

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.

£291+ Cheap Flights from London to Sumatra

Cheap flight deals from London to Sumatra

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 13 September 2026.

Wed 7/1006:00 -

3 stops28h 00m

Wed 14/1011:55 -

2 stops30h 40m

Deal found 9/9£606

Sat 7/1109:55 -

3 stops26h 20m

Sat 21/1117:45 -

2 stops31h 40m

Deal found 10/9£626

Tue 27/1006:00 -

3 stops22h 30m

Tue 3/1107:55 -

2 stops29h 00m

Deal found 11/9£632

Sat 19/920:50 -

3 stops31h 40m

Wed 30/906:10 -

2 stops22h 15m

Deal found 12/9£634

Sat 14/1120:05 -

1 stop24h 10m

Wed 2/1206:25 -

2 stops30h 30m

Deal found 8/9£665

Tue 27/1007:00 -

3 stops21h 30m

Tue 3/1116:25 -

2 stops26h 40m

Deal found 11/9£665

Tue 27/1008:45 -

2 stops24h 15m

Tue 3/1107:55 -

2 stops29h 35m

Deal found 11/9£679

Sat 14/1117:10 -

2 stops31h 45m

Wed 2/1220:25 -

2 stops18h 40m

Deal found 8/9£690

Sat 14/1110:40 -

1 stop25h 55m

Wed 2/1208:45 -

1 stop28h 10m

Deal found 8/9£700

Mon 23/1118:40 -

2 stops30h 15m

Sat 19/1220:25 -

2 stops18h 40m

Deal found 8/9£702

Sat 14/1118:40 -

2 stops30h 15m

Wed 2/1220:25 -

2 stops28h 25m

Deal found 8/9£721

Sat 14/1113:05 -

1 stop20h 05m

Wed 2/1216:55 -

1 stop23h 10m

Deal found 8/9£726

Best flights from London to Sumatra
Discover carefully curated flight deals from London to Sumatra that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Wed 7/1006:00 -

3 stops28h 00m

Wed 14/1011:55 -

2 stops30h 40m

Deal found 9/9£606

Mon 1/317:10 -

2 stops31h 45m

Fri 26/320:25 -

2 stops21h 50m

Deal found 11/9£702

Mon 8/320:35 -

1 stop16h 00m

Mon 15/308:45 -

1 stop17h 25m

Deal found 11/9£738

Wed 7/1021:05 -

2 stops32h 10m

Wed 14/1012:00 -

2 stops31h 00m

Deal found 9/9£990

Sat 7/1109:55 -

3 stops24h 25m

Sat 21/1117:45 -

2 stops31h 40m

Deal found 10/9£630

Tue 27/1006:00 -

3 stops22h 30m

Tue 3/1107:55 -

2 stops29h 00m

Deal found 11/9£632

Sat 24/1020:05 -

2 stops53h 50m

Sun 1/1120:25 -

2 stops21h 50m

Deal found 12/9£786

Tue 27/1007:00 -

3 stops21h 30m

Tue 3/1116:25 -

2 stops26h 40m

Deal found 11/9£665

Tue 27/1008:45 -

2 stops24h 15m

Tue 3/1107:55 -

2 stops29h 35m

Deal found 11/9£679

Sat 7/1112:20 -

2 stops36h 35m

Sat 21/1120:25 -

2 stops28h 00m

Deal found 10/9£886

Wed 7/1023:55 -

2 stops53h 20m

Wed 14/1012:00 -

2 stops30h 35m

Deal found 9/9£996

Sun 31/118:40 -

2 stops30h 15m

Wed 3/216:55 -

2 stops22h 50m

Deal found 12/9£681

Sun 22/1109:20 -

1 stop15h 35m

Fri 18/1220:25 -

1 stop19h 40m

Deal found 8/9£1,025

Sun 15/1123:55 -

2 stops50h 35m

Thu 19/1110:25 -

2 stops51h 15m

Deal found 11/9£1,005

Thu 4/320:35 -

1 stop28h 20m

Fri 26/310:30 -

2 stops26h 25m

Deal found 11/9£747

Mon 16/1113:35 -

2 stops36h 55m

Thu 19/1117:00 -

2 stops25h 40m

Deal found 10/9£1,031

Sat 7/1108:40 -

2 stops20h 20m

Sat 21/1114:40 -

2 stops22h 15m

Deal found 10/9£754

Wed 23/921:05 -

2 stops56h 10m

Sun 27/912:00 -

2 stops31h 05m

Deal found 11/9£1,058

Mon 8/320:35 -

1 stop16h 00m

Mon 15/309:50 -

2 stops28h 20m

Deal found 11/9£785

Sun 25/1013:35 -

2 stops36h 55m

Sun 1/1110:25 -

2 stops32h 15m

Deal found 10/9£1,063

Sun 31/108:45 -

2 stops20h 15m

Wed 3/215:05 -

1 stop37h 00m

Deal found 12/9£845

Sun 22/1109:20 -

1 stop15h 35m

Fri 18/1218:00 -

2 stops42h 55m

Deal found 8/9£890

Fri 23/1009:15 -

2 stops28h 20m

Sun 1/1120:25 -

2 stops23h 25m

Deal found 12/9£1,910

Wed 7/1017:45 -

3 stops35h 45m

Wed 14/1011:55 -

3 stops34h 45m

Deal found 9/9£925

Wed 7/1022:10 -

2 stops31h 20m

Wed 14/1012:05 -

1 stop23h 50m

Deal found 9/9£931

Fri 23/1013:30 -

2 stops38h 15m

Sun 1/1120:25 -

1 stop17h 00m

Deal found 12/9£1,050

Sun 31/118:05 -

2 stops30h 50m

Wed 3/216:55 -

2 stops22h 45m

Deal found 12/9£1,073

Find flight deals from London to Sumatra

Round-trip from	£602
One-way from	£291
Popular in	December
Cheapest in	March
Average price	£798

Lufthansa
8/3-15/3
4 total stops
50h 55m total
London to Sumatra

Search Deals

29/11-31/12
2 total stops
50h 45m 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. 4% potential price decrease (£27 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonMedan

LGW London Gatwick - KNO Medan Kuala Namu Intl

LGWKNO

London Gatwick

Sun 29/11

06:25-16:10

2 stops50h 45m

Medan Kuala Namu Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£291

LondonMedan

LGW London Gatwick - KNO Medan Kuala Namu Intl

LGWKNO

London Gatwick

Fri 27/11

18:05-09:45

3 stops56h 40m

Medan Kuala Namu Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£322

LondonMedan

LGW London Gatwick - KNO Medan Kuala Namu Intl

LGWKNO

London Gatwick

Wed 25/11

09:20-20:40

3 stops28h 20m

Medan Kuala Namu Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£361

LondonMedan

LHR London Heathrow - KNO Medan Kuala Namu Intl

LHRKNO

London Heathrow

Fri 27/11

10:40-19:35

1 stop25h 55m

Medan Kuala Namu Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£404

LondonMedan

LHR London Heathrow - KNO Medan Kuala Namu Intl

LHRKNO

London Heathrow

Thu 26/11

09:30-16:10

2 stops23h 40m

Medan Kuala Namu Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£439

LondonMedan

LGW London Gatwick - KNO Medan Kuala Namu Intl

LGWKNO

London Gatwick

Mon 30/11

13:05-16:10

1 stop20h 05m

Medan Kuala Namu Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£451

LondonMedan

LHR London Heathrow - KNO Medan Kuala Namu Intl

LHRKNO

London Heathrow

Sat 28/11

18:40-07:55

2 stops30h 15m

Medan Kuala Namu Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£472

LondonMedan

LCY London City - KNO Medan Kuala Namu Intl

LCYKNO

London City

Fri 27/11

17:45-07:55

2 stops31h 10m

Medan Kuala Namu Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£481

Fastest return journey

LondonMedan

LHR London Heathrow - KNO Medan Kuala Namu Intl

LHRKNO

London Heathrow

Mon 30/11

20:35-19:35

1 stop16h 00m

Medan Kuala Namu Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£489

LondonMedan

LHR London Heathrow - KNO Medan Kuala Namu Intl

LHRKNO

London Heathrow

Tue 24/11

20:35-19:35

1 stop16h 00m

Medan Kuala Namu Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£489

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 50 resultsSorted by cheapest first

...

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.

LGW-KNO

LHR-KNO

LGW-PDG

LHR-PDG

STN-PDG

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

LON-zzFXC

LGW-KNO

LHR-KNO

LGW-PDG

LHR-PDG

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

Currently, January is the cheapest month in which you can book a flight from London to Sumatra (average of £602). Flying from London to Sumatra in July is currently the most expensive (average of £1,226). 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 a feel of what it's like to fly with Singapore Airlines and Etihad Airways 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

1,600 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Matt,Jun 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello

Singapore Airlines

8.2

Very Good

1,600 reviews

Singapore Airlines

8.2

Very Good

1,600 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Matt,Jun 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello

Etihad Airways

7.3

Good

1,533 reviews

Singapore Airlines

8.2

Very Good

1,600 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Matt,Jun 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello

Related info for your journey

How long is the flight from London to Sumatra?
A quick flight from London to Sumatra can take about 31h 45m. SWISS provides one of the quickest options available for as low as £702. 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 Gatwick - Medan Kuala Namu Intl or London Heathrow - 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, January is the cheapest month in which you can book a flight from London to Sumatra (average of £602). Flying from London to Sumatra in July is currently the most expensive (average of £1,226). 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

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Alternative routes for London to Sumatra

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Gatwick to Sorong flights

Gatwick to Surabaya flights

Top airline flying from London to Sumatra

Airline	Cheapest	Average	Flexibility	On-time
Singapore Airlines	Cheapest£603	Average£793	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights

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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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Cheap flights from London to Sumatra from £291

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Sumatra

Cheapest flights from London to SumatraExplore 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 13 September 2026.

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 13 September 2026.

Best flights from London to SumatraDiscover carefully curated flight deals from London to Sumatra that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Discover carefully curated flight deals from London to Sumatra that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Last-minute flights from London to SumatraDiscover last-minute flight deals from London to Sumatra. Data last updated 13 September 2026 and is based on user searches.

Discover last-minute flight deals from London to Sumatra. Data last updated 13 September 2026 and is based on user searches.

One-way flights from London to SumatraSearch for one-way flight options from London to Sumatra. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.

Search for one-way flight options from London to Sumatra. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.

Find flight deals from London to Sumatra

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Sumatra that are best for you.

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.

Cheapflights Insights

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

Reviews of airlines servicing Sumatra

Get a feel of what it's like to fly with Singapore Airlines and Etihad Airways 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.

Related info for your journey

How long is the flight from London to Sumatra?

What are the most popular routes from London to Sumatra?

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

How can I find direct flights from London to Sumatra?

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

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

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.

Complete your trip

Complete your trip to Sumatra by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from London to Sumatra by cabin class

Find flights from London to Sumatra, based on your preferred cabin class, be it economy, premium economy, business, or first class.

London and Sumatra flights

Browse other London and Sumatra flight options. Last updated on 13 September 2026.

Popular flight searches

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London to Sumatra flights

Consider these flights travelling from London to Sumatra.

Top airline flying from London to Sumatra

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How does Cheapflights help users find flights from London to Sumatra?

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

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

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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 13 September 2026.

Best flights from London to Sumatra
Discover carefully curated flight deals from London to Sumatra that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Last-minute flights from London to Sumatra
Discover last-minute flight deals from London to Sumatra. Data last updated 13 September 2026 and is based on user searches.

One-way flights from London to Sumatra
Search for one-way flight options from London to Sumatra. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.