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Cheap flights from London to Semarang from £438

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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SRG
6 Sep — 13 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Semarang

Enter your travel dates to find the best prices.

Cheapest flights from London to Semarang
Explore the most affordable flight options available from London to Semarang. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 August 2026.

Tue 15/914:45 -
2 stops36h 00m
Tue 22/915:30 -
2 stops33h 15m
Deal found 5/8£698
Sat 3/1014:45 -
2 stops36h 00m
Sun 11/1018:00 -
2 stops43h 00m
Deal found 5/8£706
Fri 2/1014:45 -
2 stops36h 00m
Sun 11/1018:00 -
2 stops43h 00m
Deal found 6/8£719
Wed 2/920:45 -
2 stops30h 00m
Wed 9/912:50 -
2 stops29h 55m
Deal found 5/8£728
Sat 3/1014:45 -
2 stops36h 00m
Sun 11/1018:00 -
2 stops24h 45m
Deal found 6/8£730
Wed 2/909:45 -
3 stops28h 05m
Wed 9/911:20 -
3 stops41h 10m
Deal found 5/8£731
Fri 2/1014:45 -
2 stops36h 00m
Sat 10/1018:00 -
2 stops43h 00m
Deal found 5/8£741
Tue 1/918:00 -
2 stops43h 50m
Tue 15/913:30 -
2 stops31h 30m
Deal found 7/8£741
Tue 1/921:45 -
2 stops29h 00m
Tue 15/915:30 -
2 stops27h 15m
Deal found 3/8£749
Sat 3/1021:45 -
2 stops39h 00m
Sat 10/1012:50 -
2 stops48h 10m
Deal found 5/8£756
Sat 3/1011:00 -
2 stops24h 35m
Sun 11/1007:10 -
2 stops29h 20m
Deal found 5/8£758
Sun 4/1009:30 -
2 stops27h 15m
Sat 10/1018:00 -
2 stops43h 00m
Deal found 5/8£787

Find flight deals from London to Semarang

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Semarang (SRG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 7 August 2026.

Round-trip from

£698

One-way from

£438
Etihad Airways
  • Etihad Airways
  • 15/9-22/9
  • 4 total stops
  • 69h 15m total
  • London to Semarang
Search Deals
11/1
  • 11/1
  • 2 total stops
  • 45h 00m total
  • London to Semarang
Search Deals

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 7 August 2026.
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

Cheapest return flight

LondonSemarang

LHR London Heathrow - SRG Semarang Achmad Yani

LHRSRG

London Heathrow

Fri 2/10

14:45-08:45

2 stops36h 00m

Semarang Achmad Yani

Tue 13/10

15:30-15:05

2 stops29h 35m

£741

LondonSemarang

LGW London Gatwick - SRG Semarang Achmad Yani

LGWSRG

London Gatwick

Tue 1/9

18:00-19:50

2 stops43h 50m

Semarang Achmad Yani

Tue 15/9

13:30-15:00

2 stops31h 30m

£741

LondonSemarang

LHR London Heathrow - SRG Semarang Achmad Yani

LHRSRG

London Heathrow

Tue 1/9

21:45-08:45

2 stops29h 00m

Semarang Achmad Yani

Tue 15/9

15:30-12:45

2 stops27h 15m

£749

LondonSemarang

LHR London Heathrow - SRG Semarang Achmad Yani

LHRSRG

London Heathrow

Sat 3/10

14:45-17:00

2 stops44h 15m

Semarang Achmad Yani

Tue 13/10

18:00-07:00

2 stops43h 00m

£756

LondonSemarang

LHR London Heathrow - SRG Semarang Achmad Yani

LHRSRG

London Heathrow

Sat 3/10

21:45-18:45

2 stops39h 00m

Semarang Achmad Yani

Sat 10/10

12:50-07:00

2 stops48h 10m

£756

LondonSemarang

LGW London Gatwick - SRG Semarang Achmad Yani

LGWSRG

London Gatwick

Sat 3/10

11:00-17:35

2 stops24h 35m

Semarang Achmad Yani

Sun 11/10

07:10-06:30

2 stops29h 20m

£761

LondonSemarang

LHR London Heathrow - SRG Semarang Achmad Yani

LHRSRG

London Heathrow

Sun 4/10

09:30-18:45

2 stops27h 15m

Semarang Achmad Yani

Sat 10/10

18:00-07:00

2 stops43h 00m

£787

LondonSemarang

LHR London Heathrow - SRG Semarang Achmad Yani

LHRSRG

London Heathrow

Wed 2/9

20:25-10:50

3 stops32h 25m

Semarang Achmad Yani

Wed 9/9

18:25-20:25

2 stops32h 00m

£790

LondonSemarang

LHR London Heathrow - SRG Semarang Achmad Yani

LHRSRG

London Heathrow

Thu 1/10

14:45-17:00

2 stops44h 15m

Semarang Achmad Yani

Tue 13/10

12:50-12:45

2 stops29h 55m

£813

LondonSemarang

LHR London Heathrow - SRG Semarang Achmad Yani

LHRSRG

London Heathrow

Thu 1/10

14:45-18:45

2 stops46h 00m

Semarang Achmad Yani

Sat 10/10

12:50-07:00

2 stops48h 10m

£813

Flights are sorted by cheapest return flights first.

Deals found on 4/8

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from London to Semarang

Have a flexible travel schedule? Discover the best time to fly to Semarang from London 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 to Semarang

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 to Semarang. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Semarang from London?

    Semarang Achmad Yani (SRG) is the airport you will fly into if you book a flight from London to Semarang. You should not have trouble finding flights to Achmad Yani from London; the airport handles an average of 0 inbound flights from London per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Semarang airport from London. It is only a 3.4 mi journey from Achmad Yani (SRG) to Semarang’s city center.

  • How long is the flight from London to Semarang?

    For as low as £741, Etihad Airways can have you in Semarang from London in 36h. Airlines will cover a distance of 7481 mi.

  • What are the most popular routes from London to Semarang?

    The most popular flight routes from London to Semarang are London Heathrow - Semarang Achmad Yani, London Gatwick - Semarang Achmad Yani and London City - Semarang Achmad Yani.

  • Can I find deals for flights from London to Semarang that include hotel bookings?

    Yes. In addition to deals on London to Semarang flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Semarang?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Semarang.

  • Can I find deals for business class flights from London to Semarang?

    Yes. Cheapflights offers flight deals from London to Semarang 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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Alternative routes for London to Semarang

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Surakarta City flights
Heathrow to Semarang flights
Gatwick to Semarang flights
Manchester to Semarang flights

Top airline flying from London to Semarang

Discover the top airline that operate flights from London to Semarang. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 7 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest£623Average£623FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Semarang?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Semarang. 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 to Semarang?

Millions of users choose and trust Cheapflights to book the best flight deals from London to Semarang for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from London to Semarang with no change fees?

Need flexible booking options for your flight to Semarang from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from London to Semarang become cheaper?

Not ready to book yet? You can track prices for flights from London to Semarang on Cheapflights with our Price Alert feature and get notified when better prices are available.

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