Cheap flights from London to Semarang from £717

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London to Semarang departing on 11/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Multiple Airlines Logo
09:30 - 18:40LHR-SRG
27h 10m2 stops
Multiple Airlines Logo
17:40 - 12:45SRG-LHR
25h 05m2 stops
£717Multiple Airlines
Find Deal
Sat, 11 Apr - Wed, 22 Apr
Multiple Airlines Logo
09:30 - 14:40LHR-SRG
23h 10m2 stops
Multiple Airlines Logo
17:40 - 12:45SRG-LHR
25h 05m2 stops
£732Multiple Airlines
Find Deal
Sat, 11 Apr - Wed, 22 Apr
Multiple Airlines Logo
09:20 - 14:40LGW-SRG
22h 20m2 stops
Multiple Airlines Logo
12:50 - 06:25SRG-LGW
24h 35m2 stops
£736Multiple Airlines
Find Deal
Tue, 10 Mar - Tue, 24 Mar
Multiple Airlines Logo
09:20 - 17:00LGW-SRG
24h 40m2 stops
Multiple Airlines Logo
12:50 - 06:25SRG-LGW
24h 35m2 stops
£737Multiple Airlines
Find Deal
Tue, 10 Mar - Tue, 24 Mar
Multiple Airlines Logo
08:50 - 14:40LHR-SRG
22h 50m2 stops
Multiple Airlines Logo
18:00 - 12:05SRG-LHR
25h 05m2 stops
£739Multiple Airlines
Find Deal
Tue, 10 Mar - Tue, 24 Mar
Multiple Airlines Logo
09:30 - 14:40LHR-SRG
23h 10m2 stops
Multiple Airlines Logo
17:40 - 12:45SRG-LHR
25h 05m2 stops
£746Multiple Airlines
Find Deal
Sat, 11 Apr - Wed, 22 Apr
Multiple Airlines Logo
08:50 - 14:40LHR-SRG
22h 50m2 stops
Multiple Airlines Logo
18:00 - 12:05SRG-LHR
25h 05m2 stops
£753Multiple Airlines
Find Deal
Tue, 10 Mar - Tue, 24 Mar
Multiple Airlines Logo
08:50 - 14:40LHR-SRG
22h 50m2 stops
Multiple Airlines Logo
18:00 - 12:05SRG-LHR
25h 05m2 stops
£753Multiple Airlines
Find Deal
Tue, 10 Mar - Tue, 24 Mar
Garuda Indonesia Logo
08:50 - 17:00LHR-SRG
25h 10m2 stops
Garuda Indonesia Logo
09:45 - 06:40SRG-LHR
27h 55m2 stops
£1,277Garuda Indonesia
Find Deal
Fri, 28 Nov - Fri, 5 Dec
Garuda Indonesia Logo
08:50 - 17:00LHR-SRG
25h 10m2 stops
Garuda Indonesia Logo
09:45 - 12:05SRG-LHR
33h 20m2 stops
£1,280Garuda Indonesia
Find Deal
Sun, 8 Mar - Tue, 10 Mar

Garuda Indonesia flights from London to Semarang

Our best Garuda Indonesia deals on London to Semarang flight tickets
Garuda Indonesia
28 Nov
LHR08:50London Heathrow
25h 10m
2 stops
SRG17:00Semarang Achmad Yani
5 Dec
SRG09:45Semarang Achmad Yani
27h 55m
2 stops
LHR06:40London Heathrow
Garuda Indonesia
8 Mar
LHR08:50London Heathrow
25h 10m
2 stops
SRG17:00Semarang Achmad Yani
10 Mar
SRG09:45Semarang Achmad Yani
33h 20m
2 stops
LHR12:05London Heathrow
Garuda Indonesia
8 Mar
LHR08:50London Heathrow
41h 10m
2 stops
SRG09:00Semarang Achmad Yani
10 Mar
SRG18:00Semarang Achmad Yani
49h 05m
2 stops
LHR12:05London 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 14 October 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

LHR - SRG

LHRSRG

London Heathrow

Sat 11/4

09:30-18:40

2 stops27h 10m

Semarang Achmad Yani

Wed 22/4

17:40-12:45

2 stops25h 05m

£717

LondonSemarang

LHR - SRG

LHRSRG

London Heathrow

Sat 11/4

09:30-14:40

2 stops23h 10m

Semarang Achmad Yani

Wed 22/4

17:40-12:45

2 stops25h 05m

£732

LondonSemarang

LGW - SRG

LGWSRG

London Gatwick

Tue 10/3

09:20-14:40

2 stops22h 20m

Semarang Achmad Yani

Tue 24/3

12:50-06:25

2 stops24h 35m

£736

LondonSemarang

LGW - SRG

LGWSRG

London Gatwick

Tue 10/3

09:20-17:00

2 stops24h 40m

Semarang Achmad Yani

Tue 24/3

12:50-06:25

2 stops24h 35m

£737

LondonSemarang

LHR - SRG

LHRSRG

London Heathrow

Tue 10/3

08:50-14:40

2 stops22h 50m

Semarang Achmad Yani

Tue 24/3

18:00-12:05

2 stops25h 05m

£739

LondonSemarang

LHR - SRG

LHRSRG

London Heathrow

Sat 11/4

09:30-14:40

2 stops23h 10m

Semarang Achmad Yani

Wed 22/4

17:40-12:45

2 stops25h 05m

£746

LondonSemarang

LHR - SRG

LHRSRG

London Heathrow

Tue 10/3

08:50-14:40

2 stops22h 50m

Semarang Achmad Yani

Tue 24/3

18:00-12:05

2 stops25h 05m

£753

LondonSemarang

LHR - SRG

LHRSRG

London Heathrow

Tue 10/3

08:50-14:40

2 stops22h 50m

Semarang Achmad Yani

Tue 24/3

18:00-12:05

2 stops25h 05m

£753

LondonSemarang

LHR - SRG

LHRSRG

London Heathrow

Fri 28/11

08:50-17:00

2 stops25h 10m

Semarang Achmad Yani

Fri 5/12

09:45-06:40

2 stops27h 55m

£1,277

LondonSemarang

LHR - SRG

LHRSRG

London Heathrow

Sun 8/3

08:50-17:00

2 stops25h 10m

Semarang Achmad Yani

Tue 10/3

09:45-12:05

2 stops33h 20m

£1,280

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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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 £913. 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 £1,130.

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 £1,119. At midday is when there is more demand to fly to Semarang, so prices are often more expensive at around £1,125 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

Direct flights

None
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 20h 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 many operators does momondo search for flights from London to Semarang Achmad Yani Airport?

  • 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.

Best airlines flying from London to Semarang

Compare and see reviews for airlines that fly from London to Semarang with momondo
Airline
Rating
Free Cancellation
Price
Garuda IndonesiaPriceFrom £895Free CancellationRating
8.0
85 reviews
Search Garuda Indonesia flights

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
Thu 13/11
Thu 20/11

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