£304+ Cheap flights to Sumatra

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
— KNO
18 Aug — 25 Aug1
1 adult

Flights to Sumatra in 2025

Find the latest flights to Sumatra in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 13 August 2025.

Return from

£621

One-way from

£304

Popular in

December

Cheapest in

September

Average price

£905
31/8-17/9
  • 31/8-17/9
  • 6 total stops
  • 68h 45m total
  • London to Medan
8/10
  • 8/10
  • 3 total stops
  • 58h 55m total
  • London to Sumatra
Highest demand for flights based on searches. 7% potential increase in price (£44 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£27 potential savings vs. average return price).
Average for return flights in August 2025

Find flights to Sumatra

Browse one-way and return flights deals to Sumatra on Cheapflights. Flight deals are based on user searches and were last updated on 13 August 2025
Explore Sumatra

Find flight deals to Sumatra

Cheapest flights to Sumatra
Explore the most affordable flight options available to Sumatra. Find the lowest fares based on data from user searches, with prices last updated on 13 August 2025.

Mon 6/1014:45LHR - KNO
1 stop34h 00mEtihad Airways
Wed 15/1008:55KNO - LHR
1 stop36h 20mEtihad Airways
Deal found 11/8£525
Mon 6/1020:50LHR - KNO
2 stops29h 40mMultiple Airlines
Wed 15/1015:45KNO - LHR
2 stops33h 25mMultiple Airlines
Deal found 11/8£563
Sun 31/806:40LGW - KNO
3 stops27h 40mMultiple Airlines
Wed 17/907:45KNO - LGW
3 stops41h 05mMultiple Airlines
Deal found 12/8£621
Fri 14/1120:05LHR - KNO
2 stops29h 25mMultiple Airlines
Sat 29/1116:50KNO - LHR
2 stops20h 05mMultiple Airlines
Deal found 13/8£655
Fri 26/906:30LHR - KNO
3 stops22h 20mMultiple Airlines
Fri 3/1019:40KNO - LHR
2 stops30h 20mMultiple Airlines
Deal found 12/8£659
Fri 26/905:30LGW - KNO
3 stops26h 15mMultiple Airlines
Sun 5/1006:25KNO - LGW
2 stops33h 30mMultiple Airlines
Deal found 12/8£663
Fri 26/905:30LGW - KNO
3 stops26h 15mMultiple Airlines
Fri 3/1019:40KNO - LGW
2 stops22h 55mMultiple Airlines
Deal found 12/8£676
Fri 14/1110:25LHR - KNO
1 stop15h 05mMalaysia Airlines
Sat 29/1116:50KNO - LHR
1 stop29h 35mMalaysia Airlines
Deal found 13/8£680
Fri 26/910:00LGW - KNO
1 stop27h 30mSingapore Airlines
Sun 5/1008:45KNO - LGW
1 stop27h 55mSingapore Airlines
Deal found 12/8£697
Fri 26/909:45LHR - KNO
2 stops39h 30mMultiple Airlines
Sun 5/1011:15KNO - LHR
1 stop35h 20mMultiple Airlines
Deal found 12/8£699
Mon 6/1018:10LGW - KNO
3 stops21h 45mMultiple Airlines
Wed 15/1008:55KNO - LGW
2 stops20h 00mMultiple Airlines
Deal found 11/8£750
Mon 6/1008:45LCY - KNO
2 stops41h 15mLufthansa
Wed 15/1008:45KNO - LCY
2 stops29h 25mLufthansa
Deal found 11/8£850

Cheapflights Fare Finder

 
Locate flights to Sumatra that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 13 August 2025.
Use the filters below to find and compare flights to Sumatra that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Mon 6/10

14:45-06:45

1 stop34h 00m

Medan Kuala Namu Intl

Wed 15/10

08:55-15:15

1 stop36h 20m

£525

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Mon 6/10

20:50-08:30

2 stops29h 40m

Medan Kuala Namu Intl

Wed 15/10

15:45-19:10

2 stops33h 25m

£563

LondonMedan

LGW - KNO

LGWKNO

London Gatwick

Sun 31/8

06:40-16:20

3 stops27h 40m

Medan Kuala Namu Intl

Wed 17/9

07:45-18:50

3 stops41h 05m

£621

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Fri 14/11

20:05-08:30

2 stops29h 25m

Medan Kuala Namu Intl

Sat 29/11

16:50-05:55

2 stops20h 05m

£655

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Fri 26/9

06:30-10:50

3 stops22h 20m

Medan Kuala Namu Intl

Fri 3/10

19:40-20:00

2 stops30h 20m

£659

LondonMedan

LGW - KNO

LGWKNO

London Gatwick

Fri 26/9

05:30-13:45

3 stops26h 15m

Medan Kuala Namu Intl

Sun 5/10

06:25-09:55

2 stops33h 30m

£663

LondonMedan

LGW - KNO

LGWKNO

London Gatwick

Fri 26/9

05:30-13:45

3 stops26h 15m

Medan Kuala Namu Intl

Fri 3/10

19:40-12:35

2 stops22h 55m

£676

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Fri 14/11

10:25-08:30

1 stop15h 05m

Medan Kuala Namu Intl

Sat 29/11

16:50-15:25

1 stop29h 35m

£680

LondonMedan

LGW - KNO

LGWKNO

London Gatwick

Fri 26/9

10:00-19:30

1 stop27h 30m

Medan Kuala Namu Intl

Sun 5/10

08:45-06:40

1 stop27h 55m

£697

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Fri 26/9

09:45-07:15

2 stops39h 30m

Medan Kuala Namu Intl

Sun 5/10

11:15-16:35

1 stop35h 20m

£699

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Showing 1-10 of 33 results
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Best time to book a flight to Sumatra

Have a flexible travel schedule? Discover the best time to fly to Sumatra 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 to Sumatra

How long is the flight to Sumatra?

On average, a flight from London to Sumatra takes 29 hours 52 minutes. Flights to Sumatra from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

What are the cheapest airlines that fly to Sumatra?

The cheapest airlines flying from London to Sumatra are Singapore Airlines and Malaysia Airlines.

Rainfall in Sumatra by month

Plan your trip to Sumatra by taking into account the average rainfall totals by month.

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.

Temperature in Sumatra by month

Plan your trip to Sumatra by taking into account the average temperature totals by month.

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).

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 13 August 2025.
Read through reviews of airlines serving Indonesia, such as Singapore Airlines and Malaysia Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Boarding

8.2

Overall

8.1

Entertainment

8.0

Comfort

8.0

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Crew

8.6

Boarding

8.2

Overall

8.1

Entertainment

8.0

Comfort

8.0

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Crew

8.6

Boarding

8.2

Overall

8.1

Entertainment

8.0

Comfort

8.0

Food

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

FAQs about flying to Sumatra

  • Can I find cheaper flights to Sumatra if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Sumatra on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Sumatra?

    Based on reviews from Cheapflights users, Singapore Airlines is rated the highest out of the airlines that fly to Sumatra.

  • How much is a return flight to Sumatra?

    A return flight to Sumatra will typically cost around £53, however they can be found for as little as £27.

  • Where does the fastest flight to Sumatra depart from?

    For those looking to save time traveling to Sumatra, London offers the quickest one-way flight (22 hours 20 minutes).

  • Does Medan Kuala Namu Intl have car hire?

    Yes. Those touching down at Medan Kuala Namu Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Medan Kuala Namu Intl?

    Yes. Medan Kuala Namu Intl has hotels nearby for those requiring accommodations. Anara Sky Kualanamu Hotel is the closest property to Medan Kuala Namu Intl (0.0 mi away from Medan Kuala Namu Intl).

See more FAQs

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Can Cheapflights find flights to Sumatra with no change fees?

Yes, we can. To see specific flights to Sumatra with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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