Cheap flights from London to Semarang from £505

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Semarang departing on 4/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

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Singapore Airlines Logo
10:15 - 16:10LGW-SRG
23h 55m1 stop
Singapore Airlines Logo
16:55 - 06:25SRG-LGW
19h 30m1 stop
£634Singapore Airlines
Find Deal
Tue, 19 May - Wed, 3 Jun
Singapore Airlines Logo
10:15 - 16:10LGW-SRG
23h 55m1 stop
Singapore Airlines Logo
16:55 - 06:25SRG-LGW
19h 30m1 stop
£635Singapore Airlines
Find Deal
Tue, 19 May - Wed, 3 Jun
Singapore Airlines Logo
11:25 - 16:10LHR-SRG
22h 45m1 stop
Singapore Airlines Logo
16:55 - 19:30SRG-LHR
32h 35m1 stop
£664Singapore Airlines
Find Deal
Tue, 19 May - Wed, 3 Jun
Singapore Airlines Logo
10:15 - 16:10LGW-SRG
23h 55m1 stop
Singapore Airlines Logo
16:55 - 06:25SRG-LGW
43h 30m1 stop
£664Singapore Airlines
Find Deal
Tue, 19 May - Wed, 3 Jun
Singapore Airlines Logo
09:25 - 16:10LHR-SRG
24h 45m1 stop
Singapore Airlines Logo
16:55 - 15:45SRG-LHR
28h 50m1 stop
£665Singapore Airlines
Find Deal
Tue, 19 May - Wed, 3 Jun
Multiple Airlines Logo
08:40 - 21:00LGW-SRG
29h 20m2 stops
Multiple Airlines Logo
07:00 - 05:55SRG-LGW
29h 55m2 stops
£701Multiple Airlines
Find Deal
Wed, 4 Feb - Wed, 18 Feb
Etihad Airways Logo
19:20 - 17:00LHR-SRG
38h 40m2 stops
Etihad Airways Logo
15:25 - 12:05SRG-LHR
27h 40m2 stops
£714Etihad Airways
Find Deal
Tue, 10 Mar - Tue, 24 Mar
Etihad Airways Logo
19:20 - 17:00LHR-SRG
38h 40m2 stops
Etihad Airways Logo
15:25 - 12:05SRG-LHR
27h 40m2 stops
£716Etihad Airways
Find Deal
Tue, 10 Mar - Tue, 24 Mar
Multiple Airlines Logo
10:15 - 16:10LGW-SRG
23h 55m1 stop
Multiple Airlines Logo
15:25 - 06:25SRG-LGW
21h 00m2 stops
£719Multiple Airlines
Find Deal
Tue, 19 May - Wed, 3 Jun
Etihad Airways Logo
19:20 - 17:00LHR-SRG
38h 40m2 stops
Etihad Airways Logo
15:25 - 06:40SRG-LHR
46h 15m2 stops
£729Etihad Airways
Find Deal
Wed, 4 Mar - Sun, 8 Mar

Singapore Airlines flights from London to Semarang

Our best Singapore Airlines deals on London to Semarang flight tickets
Singapore Airlines
19 May
LGW10:15London Gatwick
23h 55m
1 stop
SRG16:10Semarang Achmad Yani
3 Jun
SRG16:55Semarang Achmad Yani
19h 30m
1 stop
LGW06:25London Gatwick
Singapore Airlines
19 May
LGW10:15London Gatwick
23h 55m
1 stop
SRG16:10Semarang Achmad Yani
3 Jun
SRG16:55Semarang Achmad Yani
19h 30m
1 stop
LGW06:25London Gatwick
Singapore Airlines
19 May
LHR11:25London Heathrow
22h 45m
1 stop
SRG16:10Semarang Achmad Yani
3 Jun
SRG16:55Semarang Achmad Yani
32h 35m
1 stop
LHR19:30London Heathrow

Etihad Airways flights from London to Semarang

Our best Etihad Airways deals on London to Semarang flight tickets
Etihad Airways
10 Mar
LHR19:20London Heathrow
38h 40m
2 stops
SRG17:00Semarang Achmad Yani
24 Mar
SRG15:25Semarang Achmad Yani
27h 40m
2 stops
LHR12:05London Heathrow
Etihad Airways
10 Mar
LHR19:20London Heathrow
38h 40m
2 stops
SRG17:00Semarang Achmad Yani
24 Mar
SRG15:25Semarang Achmad Yani
27h 40m
2 stops
LHR12:05London Heathrow
Etihad Airways
4 Mar
LHR19:20London Heathrow
38h 40m
2 stops
SRG17:00Semarang Achmad Yani
8 Mar
SRG15:25Semarang Achmad Yani
46h 15m
2 stops
LHR06:40London Heathrow

momondo Fare Finder

 
Customise your flight search to find flights from London to Semarang 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, momondo users made 279,928 searches. Data last updated 4 December 2025.
Use the filters below to find and compare flights from London to Semarang that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSemarang

LGW - SRG

LGWSRG

London Gatwick

Tue 19/5

10:15-16:10

1 stop23h 55m

Semarang Achmad Yani

Wed 3/6

16:55-06:25

1 stop19h 30m

£634

LondonSemarang

LGW - SRG

LGWSRG

London Gatwick

Tue 19/5

10:15-16:10

1 stop23h 55m

Semarang Achmad Yani

Wed 3/6

16:55-06:25

1 stop19h 30m

£635

LondonSemarang

LHR - SRG

LHRSRG

London Heathrow

Tue 19/5

11:25-16:10

1 stop22h 45m

Semarang Achmad Yani

Wed 3/6

16:55-19:30

1 stop32h 35m

£664

LondonSemarang

LGW - SRG

LGWSRG

London Gatwick

Tue 19/5

10:15-16:10

1 stop23h 55m

Semarang Achmad Yani

Wed 3/6

16:55-06:25

1 stop43h 30m

£664

LondonSemarang

LHR - SRG

LHRSRG

London Heathrow

Tue 19/5

09:25-16:10

1 stop24h 45m

Semarang Achmad Yani

Wed 3/6

16:55-15:45

1 stop28h 50m

£665

LondonSemarang

LGW - SRG

LGWSRG

London Gatwick

Wed 4/2

08:40-21:00

2 stops29h 20m

Semarang Achmad Yani

Wed 18/2

07:00-05:55

2 stops29h 55m

£701

LondonSemarang

LHR - SRG

LHRSRG

London Heathrow

Tue 10/3

19:20-17:00

2 stops38h 40m

Semarang Achmad Yani

Tue 24/3

15:25-12:05

2 stops27h 40m

£714

LondonSemarang

LHR - SRG

LHRSRG

London Heathrow

Tue 10/3

19:20-17:00

2 stops38h 40m

Semarang Achmad Yani

Tue 24/3

15:25-12:05

2 stops27h 40m

£716

LondonSemarang

LGW - SRG

LGWSRG

London Gatwick

Tue 19/5

10:15-16:10

1 stop23h 55m

Semarang Achmad Yani

Wed 3/6

15:25-06:25

2 stops21h 00m

£719

LondonSemarang

LHR - SRG

LHRSRG

London Heathrow

Wed 4/3

19:20-17:00

2 stops38h 40m

Semarang Achmad Yani

Sun 8/3

15:25-06:40

2 stops46h 15m

£729

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Semarang from

How to get the cheapest flight ticket from London to Semarang

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Semarang?

The cheapest day to depart on your flight to Semarang is on a Monday when prices can be found for as low as £917. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Semarang is Saturday, with ticket prices averaging around £1,134.

What is the cheapest time of day to depart on your flight to Semarang?

Our most recent data shows that the best time of day to fly to Semarang is in the morning. Flights from London to Semarang during this time can be as low as £1,123. At midday is when there is more demand to fly to Semarang, so prices are often more expensive at around £1,129 per ticket.

When to book flights from London to Semarang

Are you open to changing your travel dates? Check out the ideal times to fly from London to Semarang according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Semarang (LON to SRG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Semarang

Fastest flight time

20h 40m

Direct flights

None
The fastest flight from London to Semarang takes 20h 40m
There are no direct flights from London to Semarang. There are no popular flight routes from London to Semarang.
  • How far is London to Semarang Achmad Yani by plane?

    There are 7469.9 mi between London and Semarang Achmad Yani. Flights usually cover this in 21h 15m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London to Semarang Achmad Yani Airport?

    Prices for flights from London to Semarang Achmad Yani Airport are updated daily.

  • How old do you have to be to fly from London to Semarang Achmad Yani Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to Semarang Achmad Yani Airport.

  • What documentation or ID do you need to fly to Semarang Achmad Yani Airport?

    The necessary travel and health documents for your Semarang Achmad Yani Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from London to Semarang?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Semarang. momondo saves you time and could save you money on your trip.

Can I find flights from London to Semarang with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Semarang flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Semarang?

Once you have performed a search for London to Semarang flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Semarang right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Semarang from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Sat 3/1
Sat 10/1

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