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Cheap flights from London City Airport to Sumatra from £821

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/11. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — KNO
26 Aug — 2 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London City to Sumatra

Enter your travel dates to find the best prices.

Cheapest flights from London City to Sumatra
Explore the most affordable flight options available from London City to Sumatra. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 July 2026.

Wed 18/1118:15
LCY
-
KNO
2 stops38h 35m
Multiple Airlines
Thu 14/120:30
KNO
-
LCY
2 stops19h 10m
Multiple Airlines
Deal found 25/7£821
Thu 10/909:15
LCY
-
KNO
2 stops40h 45m
SWISS
Thu 17/908:50
KNO
-
LCY
2 stops29h 50m
SWISS
Deal found 26/7£885
Thu 19/1119:05
LCY
-
KNO
2 stops17h 35m
SWISS
Wed 13/120:30
KNO
-
LCY
2 stops23h 20m
SWISS
Deal found 25/7£1,413
Tue 17/1119:05
LCY
-
KNO
2 stops17h 35m
SWISS
Wed 13/120:30
KNO
-
LCY
2 stops19h 10m
SWISS
Deal found 25/7£1,566
Wed 5/809:15
LCY
-
KNO
2 stops40h 45m
Multiple Airlines
Wed 9/916:00
KNO
-
LCY
2 stops22h 40m
Multiple Airlines
Deal found 24/7£1,611
Tue 28/709:15
LCY
-
KNO
2 stops40h 45m
Multiple Airlines
Wed 19/808:50
KNO
-
LCY
2 stops33h 45m
Multiple Airlines
Deal found 27/7£1,654
Mon 3/817:50
LCY
-
KNO
2 stops19h 25m
Multiple Airlines
Tue 25/806:10
KNO
-
LCY
2 stops33h 20m
Multiple Airlines
Deal found 23/7£1,794
Tue 17/1117:45
LCY
-
KNO
2 stops18h 55m
SWISS
Thu 14/120:30
KNO
-
LCY
2 stops23h 20m
SWISS
Deal found 25/7£1,965
Thu 6/818:00
LCY
-
KNO
2 stops19h 35m
SWISS
Tue 18/808:50
KNO
-
LCY
2 stops29h 50m
SWISS
Deal found 25/7£2,245
Sun 2/818:00
LCY
-
KNO
2 stops19h 35m
Multiple Airlines
Wed 2/916:00
KNO
-
LCY
2 stops22h 40m
Multiple Airlines
Deal found 23/7£2,253
Tue 28/713:10
LCY
-
KNO
2 stops48h 25m
SWISS
Wed 19/808:50
KNO
-
LCY
2 stops29h 50m
SWISS
Deal found 24/7£2,388
Sat 8/809:00
LCY
-
PDG
2 stops44h 55m
Multiple Airlines
Sat 29/812:40
PDG
-
LCY
2 stops31h 05m
Multiple Airlines
Deal found 27/7£2,409

Find flight deals from London City to Sumatra

Keep the following information in mind while searching for London City to Sumatra flight deals. Data was last updated 27 July 2026.

Round-trip from

£821

One-way from

£515

Popular in

December

Cheapest in

March

Average price

£1,106
SWISS
  • SWISS
  • 18/11-14/1
  • 4 total stops
  • 57h 45m total
  • London to Sumatra
Search Deals
10/8
  • 10/8
  • 3 total stops
  • 29h 35m total
  • London to Sumatra
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£19 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£29 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London City 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 27 July 2026.
Use the filters below to find and compare flights from London City Airport to Sumatra that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonMedan

LCY - KNO

LCYKNO

London City

Thu 10/9

09:15-08:00

2 stops40h 45m

Medan Kuala Namu Intl

Thu 17/9

08:50-08:40

2 stops29h 50m

£885
Fastest return journey

LondonMedan

LCY - KNO

LCYKNO

London City

Tue 17/11

19:05-19:40

2 stops17h 35m

Medan Kuala Namu Intl

Wed 13/1

20:30-08:40

2 stops19h 10m

£1,566

LondonMedan

LCY - KNO

LCYKNO

London City

Wed 18/11

19:05-19:40

2 stops17h 35m

Medan Kuala Namu Intl

Wed 13/1

20:30-12:50

2 stops23h 20m

£1,566

LondonMedan

LCY - KNO

LCYKNO

London City

Tue 17/11

17:45-19:40

2 stops18h 55m

Medan Kuala Namu Intl

Thu 14/1

20:30-12:50

2 stops23h 20m

£1,965

LondonMedan

LCY - KNO

LCYKNO

London City

Thu 6/8

18:00-19:35

2 stops19h 35m

Medan Kuala Namu Intl

Tue 18/8

08:50-08:40

2 stops29h 50m

£2,245

LondonPadang

LCY - PDG

LCYPDG

London City

Sat 8/8

09:00-11:55

2 stops44h 55m

Padang Tabing

Sat 29/8

12:40-13:45

2 stops31h 05m

£2,409

LondonPadang

LCY - PDG

LCYPDG

London City

Mon 7/9

08:25-16:30

2 stops26h 05m

Padang Tabing

Mon 14/9

12:00-07:55

3 stops25h 55m

£2,448

LondonMedan

LCY - KNO

LCYKNO

London City

Tue 17/11

17:45-19:40

2 stops18h 55m

Medan Kuala Namu Intl

Fri 15/1

20:30-11:40

2 stops22h 10m

£2,838

LondonMedan

LCY - KNO

LCYKNO

London City

Wed 18/11

17:45-19:40

2 stops18h 55m

Medan Kuala Namu Intl

Fri 15/1

20:30-11:40

2 stops22h 10m

£2,838

Flights are sorted by cheapest return flights first.

Deals found on 26/7

Sorted by cheapest first

Best time to book a flight from London City to Sumatra

Have a flexible travel schedule? Discover the best time to fly to Sumatra from London City 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 City Airport to Sumatra

No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from London City 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 City Airport to Sumatra?

    There are many flights that can get you from London City Airport to Sumatra in 40h 45m. Fly via SWISS to get the fastest option. Airlines will cover a distance of 6395 mi.

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

    Yes. In addition to deals on London City to Sumatra flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London City to Sumatra?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London City to Sumatra.

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

    Yes. Cheapflights offers flight deals from London City 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

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London City to Sumatra. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from London City to Sumatra?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Sumatra from London City.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from London City to Sumatra, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from London City 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 City today and book when prices fit your budget.

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