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Cheap flights from London City Airport to Sumatra from £451

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — KNO
27 Jul — 3 Aug1
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 June 2026.

Mon 29/617:50
LCY
-
KNO
2 stops19h 25m
Multiple Airlines
Mon 6/717:50
KNO
-
LCY
2 stops21h 40m
Multiple Airlines
Deal found 27/6£1,242
Tue 28/709:15
LCY
-
KNO
2 stops40h 45m
Multiple Airlines
Wed 19/808:50
KNO
-
LCY
2 stops33h 45m
Multiple Airlines
Deal found 26/6£1,322
Mon 2/1118:15
LCY
-
KNO
2 stops18h 25m
Multiple Airlines
Mon 16/1120:30
KNO
-
LCY
2 stops23h 20m
Multiple Airlines
Deal found 24/6£1,448
Tue 7/713:10
LCY
-
KNO
2 stops44h 05m
Multiple Airlines
Tue 14/708:50
KNO
-
LCY
2 stops29h 50m
Multiple Airlines
Deal found 25/6£1,503
Tue 7/719:15
LCY
-
KNO
2 stops30h 45m
SWISS
Tue 14/708:50
KNO
-
LCY
2 stops29h 50m
SWISS
Deal found 23/6£1,929
Sun 6/918:00
LCY
-
KNO
2 stops19h 35m
Multiple Airlines
Mon 21/920:25
KNO
-
LCY
2 stops18h 15m
Multiple Airlines
Deal found 26/6£1,960

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 June 2026.

Round-trip from

£1,322

One-way from

£512

Popular in

December

Cheapest in

March

Average price

£1,130
SWISS
  • SWISS
  • 28/7-19/8
  • 4 total stops
  • 74h 30m total
  • London to Sumatra
Search Deals
SWISS
  • SWISS
  • 30/8
  • 2 total stops
  • 19h 35m total
  • London to Sumatra
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£14 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 June 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 June 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

Tue 28/7

09:15-08:00

2 stops40h 45m

Medan Kuala Namu Intl

Wed 19/8

08:50-12:35

2 stops33h 45m

£1,322

LondonMedan

LCY - KNO

LCYKNO

London City

Mon 9/11

18:15-19:40

2 stops18h 25m

Medan Kuala Namu Intl

Mon 16/11

20:30-12:50

2 stops23h 20m

£1,448
Fastest return journey

LondonMedan

LCY - KNO

LCYKNO

London City

Sun 6/9

18:00-19:35

2 stops19h 35m

Medan Kuala Namu Intl

Mon 21/9

20:25-08:40

2 stops18h 15m

£1,960

LondonMedan

LCY - KNO

LCYKNO

London City

Mon 13/7

08:10-08:00

2 stops17h 50m

Medan Kuala Namu Intl

Sat 29/8

08:50-13:45

2 stops34h 55m

£2,383

LondonMedan

LCY - KNO

LCYKNO

London City

Mon 13/7

17:50-08:30

2 stops32h 40m

Medan Kuala Namu Intl

Sat 29/8

15:45-19:45

2 stops34h 00m

£2,486
Cheapest one-way

LondonMedan

LCY - KNO

LCYKNO

London City

Wed 23/9

13:10-19:35

2 stops24h 25m

£451

LondonMedan

LCY - KNO

LCYKNO

London City

Sun 27/9

14:20-19:35

2 stops23h 15m

£451
Fastest single journey

LondonMedan

LCY - KNO

LCYKNO

London City

Sun 30/8

18:00-19:35

2 stops19h 35m

£512

LondonMedan

LCY - KNO

LCYKNO

London City

Mon 10/8

09:15-19:35

2 stops28h 20m

£647

LondonMedan

LCY - KNO

LCYKNO

London City

Sat 26/9

12:15-19:35

2 stops25h 20m

£2,306

Flights are sorted by cheapest return flights first.

Deals found on 27/6

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.

  • 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.

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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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