£377+ 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 20/6. Fares are subject to change and may not be available on all flights or dates of travel.
— KNO
16 Jun — 23 Jun1
1 adult
1 adult, Economy, 0 bags

Flights to Sumatra in 2026

Enter your travel dates to find the best prices.

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 17 May 2026.

Sat 29/818:35
LGW
-
KNO
2 stops19h 00m
SWISS
Sun 27/908:50
KNO
-
LGW
2 stops29h 35m
SWISS
Deal found 17/5£643
Sat 29/820:05
LHR
-
KNO
2 stops53h 55m
Multiple Airlines
Sun 27/920:25
KNO
-
LHR
2 stops41h 50m
Multiple Airlines
Deal found 17/5£657
Sat 20/618:40
LHR
-
KNO
2 stops31h 20m
SWISS
Thu 16/708:50
KNO
-
LHR
2 stops40h 30m
SWISS
Deal found 14/5£721
Sun 21/620:50
LHR
-
KNO
2 stops36h 10m
Multiple Airlines
Mon 6/709:20
KNO
-
LHR
2 stops39h 50m
Multiple Airlines
Deal found 17/5£722
Fri 12/620:50
LHR
-
KNO
2 stops36h 10m
Multiple Airlines
Sat 12/915:45
KNO
-
LHR
2 stops44h 45m
Multiple Airlines
Deal found 16/5£747
Sat 29/811:20
LHR
-
KNO
1 stop38h 40m
Singapore Airlines
Sun 27/908:50
KNO
-
LHR
1 stop36h 55m
Singapore Airlines
Deal found 17/5£752
Tue 2/609:05
LGW
-
PDG
2 stops48h 55m
Multiple Airlines
Wed 24/607:55
PDG
-
LGW
2 stops28h 45m
Multiple Airlines
Deal found 16/5£752
Tue 1/920:50
LHR
-
KNO
2 stops36h 10m
Multiple Airlines
Tue 15/909:20
KNO
-
LHR
2 stops39h 50m
Multiple Airlines
Deal found 14/5£765
Sun 21/606:10
LGW
-
KNO
3 stops23h 45m
Multiple Airlines
Mon 6/709:20
KNO
-
LGW
2 stops28h 00m
Multiple Airlines
Deal found 14/5£776
Sat 29/809:00
LCY
-
KNO
2 stops28h 35m
SWISS
Sun 27/908:50
KNO
-
LCY
2 stops29h 50m
SWISS
Deal found 17/5£778
Tue 2/621:55
LHR
-
PDG
2 stops27h 35m
Multiple Airlines
Wed 24/607:55
PDG
-
LHR
2 stops28h 35m
Multiple Airlines
Deal found 16/5£780
Sat 20/619:40
LGW
-
KNO
3 stops37h 35m
Multiple Airlines
Thu 16/715:00
KNO
-
LGW
2 stops22h 05m
Multiple Airlines
Deal found 14/5£790

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 17 May 2026
Explore Sumatra

Find flight deals to Sumatra

Find the latest flights to Sumatra in 2026, 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 17 May 2026.

Return from

£643

One-way from

£377

Popular in

July

Cheapest in

November

Average price

£611
SWISS
  • SWISS
  • 29/8-27/9
  • 4 total stops
  • 48h 35m total
  • London to Medan
20/6
  • 20/6
  • 3 total stops
  • 36h 25m total
  • London to Sumatra
Highest demand for flights based on searches. 18% potential increase in price (£186 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£44 potential savings vs. average return price).
Average for return flights in May 2026

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 17 May 2026.
Use the filters below to find and compare flights to Sumatra that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Sat 29/8

20:05-08:00

2 stops53h 55m

Medan Kuala Namu Intl

Sun 27/9

20:25-08:15

2 stops41h 50m

£657

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Sat 29/8

11:20-08:00

1 stop38h 40m

Medan Kuala Namu Intl

Sun 27/9

08:50-15:45

1 stop36h 55m

£752

LondonPadang

LGW - PDG

LGWPDG

London Gatwick

Tue 2/6

09:05-16:00

2 stops48h 55m

Padang Tabing

Wed 24/6

07:55-06:40

2 stops28h 45m

£752

LondonMedan

LCY - KNO

LCYKNO

London City

Sat 29/8

09:00-19:35

2 stops28h 35m

Medan Kuala Namu Intl

Sun 27/9

08:50-08:40

2 stops29h 50m

£778

LondonPadang

LHR - PDG

LHRPDG

London Heathrow

Tue 2/6

21:55-07:30

2 stops27h 35m

Padang Tabing

Wed 24/6

16:25-15:05

2 stops28h 40m

£780

LondonMedan

LHR - KNO

LHRKNO

London Heathrow

Wed 9/9

22:05-08:00

1 stop27h 55m

Medan Kuala Namu Intl

Tue 22/9

20:25-19:30

1 stop29h 05m

£816

LondonMedan

LGW - KNO

LGWKNO

London Gatwick

Tue 18/8

10:25-22:20

2 stops29h 55m

Medan Kuala Namu Intl

Tue 1/9

06:10-07:25

2 stops31h 15m

£839
Fastest return journey

LondonMedan

LGW - KNO

LGWKNO

London Gatwick

Tue 1/9

13:15-15:15

1 stop20h 00m

Medan Kuala Namu Intl

Tue 15/9

16:00-06:55

1 stop20h 55m

£842

LondonMedan

LGW - KNO

LGWKNO

London Gatwick

Wed 9/9

10:00-15:15

1 stop23h 15m

Medan Kuala Namu Intl

Tue 22/9

16:00-06:55

1 stop20h 55m

£842

LondonMedan

LGW - KNO

LGWKNO

London Gatwick

Sat 13/6

11:35-22:20

2 stops28h 45m

Medan Kuala Namu Intl

Sat 20/6

06:10-06:40

2 stops30h 30m

£858

Flights are sorted by cheapest return flights first.

Deals found on 16/5

Showing 1-10 of 30 resultsSorted by cheapest first
1
2
3

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 31 hours 14 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 Etihad Airways, Malaysia Airlines and Singapore 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 17 May 2026.
Read through reviews of airlines serving Indonesia, such as Singapore Airlines and Etihad Airways. 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.

Food

7.8

Boarding

8.3

Crew

8.6

Entertainment

8.0

Comfort

8.0

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Food

7.8

Boarding

8.3

Crew

8.6

Entertainment

8.0

Comfort

8.0

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Food

7.8

Boarding

8.3

Crew

8.6

Entertainment

8.0

Comfort

8.0

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

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, Etihad Airways 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 £60, however they can be found for as little as £47.

  • 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 (16 hours 0 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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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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