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Cheap flights from London City Airport to Sumatra from £734

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/11. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — KNO
4 Jun — 11 Jun1
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 5 May 2026.

Tue 17/1119:05
LCY
-
KNO
2 stops37h 45m
Multiple Airlines
Tue 1/1216:50
KNO
-
LCY
2 stops23h 25m
Multiple Airlines
Deal found 30/4£734
Tue 17/1118:15
LCY
-
KNO
2 stops38h 35m
Multiple Airlines
Sun 22/1116:50
KNO
-
LCY
2 stops23h 25m
Multiple Airlines
Deal found 4/5£803
Thu 12/1118:15
LCY
-
KNO
2 stops38h 35m
Multiple Airlines
Tue 17/1116:50
KNO
-
LCY
2 stops23h 25m
Multiple Airlines
Deal found 4/5£822
Sat 14/1112:20
LCY
-
KNO
2 stops24h 20m
Multiple Airlines
Thu 19/1116:50
KNO
-
LCY
2 stops23h 25m
Multiple Airlines
Deal found 4/5£890
Fri 13/1109:20
LCY
-
KNO
2 stops40h 10m
KLM
Wed 18/1116:50
KNO
-
LCY
2 stops21h 25m
KLM
Deal found 4/5£901
Tue 24/1107:45
LCY
-
KNO
2 stops41h 45m
KLM
Sun 29/1116:50
KNO
-
LCY
2 stops30h 45m
KLM
Deal found 4/5£934
Wed 18/1117:05
LCY
-
KNO
2 stops32h 25m
KLM
Mon 23/1116:50
KNO
-
LCY
2 stops30h 45m
KLM
Deal found 4/5£1,012
Sun 15/1119:05
LCY
-
KNO
2 stops17h 35m
SWISS
Fri 20/1120:30
KNO
-
LCY
2 stops18h 25m
SWISS
Deal found 4/5£1,020
Mon 16/1118:15
LCY
-
KNO
2 stops38h 35m
Multiple Airlines
Sat 21/1120:30
KNO
-
LCY
2 stops23h 10m
Multiple Airlines
Deal found 4/5£1,026
Tue 28/709:15
LCY
-
KNO
2 stops28h 20m
SWISS
Wed 19/808:50
KNO
-
LCY
2 stops39h 50m
SWISS
Deal found 4/5£1,053
Sun 22/1117:45
LCY
-
KNO
2 stops18h 55m
SWISS
Fri 27/1120:30
KNO
-
LCY
2 stops22h 10m
SWISS
Deal found 4/5£1,053
Fri 20/1108:40
LCY
-
KNO
2 stops40h 50m
KLM
Wed 25/1116:50
KNO
-
LCY
2 stops30h 45m
KLM
Deal found 4/5£1,082

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 5 May 2026.

Round-trip from

£1,053

Popular in

July

Cheapest in

November

Average price

£634
SWISS
  • SWISS
  • 28/7-19/8
  • 4 total stops
  • 68h 10m total
  • London to Sumatra
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£149 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£32 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 5 May 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

09:15-19:35

2 stops28h 20m

Medan Kuala Namu Intl

Wed 19/8

08:50-08:40

2 stops29h 50m

£1,151

LondonMedan

LCY - KNO

LCYKNO

London City

Thu 4/6

09:15-19:35

2 stops28h 20m

Medan Kuala Namu Intl

Fri 19/6

08:50-11:40

2 stops32h 50m

£1,195

LondonMedan

LCY - KNO

LCYKNO

London City

Wed 9/9

09:20-08:30

2 stops41h 10m

Medan Kuala Namu Intl

Tue 22/9

15:45-17:20

2 stops31h 35m

£1,451

LondonMedan

LCY - KNO

LCYKNO

London City

Sat 4/7

09:00-19:35

2 stops28h 35m

Medan Kuala Namu Intl

Fri 4/9

08:50-11:40

2 stops32h 50m

£1,487

LondonMedan

LCY - KNO

LCYKNO

London City

Thu 4/6

18:00-19:35

2 stops19h 35m

Medan Kuala Namu Intl

Sat 20/6

08:50-13:45

2 stops34h 55m

£2,247
Fastest return journey

LondonMedan

LCY - KNO

LCYKNO

London City

Sun 21/6

18:00-19:35

2 stops19h 35m

Medan Kuala Namu Intl

Mon 6/7

20:25-08:40

2 stops18h 15m

£3,234

LondonMedan

LCY - KNO

LCYKNO

London City

Wed 8/7

09:15-08:00

2 stops40h 45m

Medan Kuala Namu Intl

Tue 28/7

08:50-08:40

2 stops29h 50m

£5,415

Flights are sorted by cheapest return flights first.

Deals found on 1/5

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 28h 20m. Fly via SWISS or KLM to get the fastest option. Airlines will cover a distance of 6395 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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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