LON - SRG

£591 Find Cheap Flights from London to Semarang – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£591
Typical prices: £696-£1,089
Multiple Airlines
Mon 8/1Mon 22/1
LHR - SRG • 2 stops
Top routes
LGW - SRG
Cheapest • 4% average savings
LHR - SRG
Most popular
Insights
Insights
When to travel
October
Cheapest • 11% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Singapore Changi (SIN)
Cheapest • Avg £647 (return)
Kuala Lumpur Intl (KUL)
Shortest trip • 26h 32m (one-way)
Insights
Insights
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We hope you enjoy your trip to Semarang!
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Flight Deals

Cheap Flights from London to Semarang (LON-SRG)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from London to Semarang

Fri, 8 Jan - Fri, 22 Jan
Multiple Airlines Logo
17:45 - 10:50LHR  London Heathrow-SRG Semarang Achmad Yani
34h 05m2 stops Beijing Capital Kuala Lumpur Intl
Multiple Airlines Logo
11:20 - 19:20SRG  Semarang Achmad Yani-LHR London Heathrow
39h 00m2 stops Kuala Lumpur Intl Chengdu Tianfu Intl
£591Multiple Airlines
Thu, 5 Nov - Thu, 12 Nov
Multiple Airlines Logo
20:25 - 10:50LHR  London Heathrow-SRG Semarang Achmad Yani
31h 25m3 stops Beijing Capital Singapore Changi Kuala Lumpur Intl
Multiple Airlines Logo
11:20 - 15:55SRG  Semarang Achmad Yani-LHR London Heathrow
35h 35m3 stops Kuala Lumpur Intl Singapore Changi Beijing Capital
£699Multiple Airlines
Thu, 5 Nov - Thu, 12 Nov
Multiple Airlines Logo
18:40 - 07:20LGW  London Gatwick-SRG Semarang Achmad Yani
29h 40m2 stops Zurich Singapore Changi
Multiple Airlines Logo
08:05 - 17:50SRG  Semarang Achmad Yani-LGW London Gatwick
40h 45m2 stops Singapore Changi Zurich
£742Multiple Airlines
Thu, 5 Nov - Thu, 12 Nov
Multiple Airlines Logo
17:10 - 07:20LHR  London Heathrow-SRG Semarang Achmad Yani
31h 10m2 stops Zurich Singapore Changi
Multiple Airlines Logo
08:05 - 11:15SRG  Semarang Achmad Yani-LHR London Heathrow
34h 10m2 stops Singapore Changi Zurich
£743Multiple Airlines
Mon, 2 Nov - Mon, 9 Nov
Multiple Airlines Logo
09:30 - 18:30LHR  London Heathrow-SRG Semarang Achmad Yani
26h 00m2 stops Manama Bahrain Intl Singapore Changi
Multiple Airlines Logo
16:35 - 17:50SRG  Semarang Achmad Yani-LHR London Heathrow
32h 15m2 stops Jakarta Soekarno-Hatta Intl Beijing Capital
£744Multiple Airlines
Mon, 2 Nov - Mon, 9 Nov
Multiple Airlines Logo
06:10 - 18:30LGW  London Gatwick-SRG Semarang Achmad Yani
29h 20m3 stops Geneva Geneve-Cointrin Shanghai Pu Dong Singapore Changi
Multiple Airlines Logo
11:20 - 05:55SRG  Semarang Achmad Yani-LGW London Gatwick
25h 35m2 stops Kuala Lumpur Intl Doha Hamad Intl
£755Multiple Airlines
Mon, 2 Nov - Mon, 9 Nov
Multiple Airlines Logo
16:35 - 08:45LGW  London Gatwick-SRG Semarang Achmad Yani
33h 10m3 stops Rome Fiumicino Abu Dhabi Zayed Intl Jakarta Soekarno-Hatta Intl
Multiple Airlines Logo
09:30 - 13:05SRG  Semarang Achmad Yani-LGW London Gatwick
34h 35m3 stops Jakarta Soekarno-Hatta Intl Abu Dhabi Zayed Intl Rome Fiumicino
£769Multiple Airlines
Mon, 2 Nov - Mon, 9 Nov
Multiple Airlines Logo
09:30 - 18:30LHR  London Heathrow-SRG Semarang Achmad Yani
26h 00m3 stops Riyadh King Khaled Intl Bangkok Suvarnabhumi Singapore Changi
Multiple Airlines Logo
16:35 - 17:50SRG  Semarang Achmad Yani-LHR London Heathrow
32h 15m2 stops Jakarta Soekarno-Hatta Intl Beijing Capital
£770Multiple Airlines
Mon, 2 Nov - Mon, 9 Nov
Multiple Airlines Logo
06:30 - 11:55LGW  London Gatwick-SRG Semarang Achmad Yani
46h 25m2 stops Istanbul Jakarta Soekarno-Hatta Intl
Multiple Airlines Logo
15:30 - 09:10SRG  Semarang Achmad Yani-LGW London Gatwick
24h 40m2 stops Jakarta Soekarno-Hatta Intl Istanbul
£780Multiple Airlines
Thu, 5 Nov - Thu, 12 Nov
Singapore Airlines Logo
13:05 - 07:20LGW  London Gatwick-SRG Semarang Achmad Yani
35h 15m1 stop Singapore Changi
Singapore Airlines Logo
08:05 - 09:05SRG  Semarang Achmad Yani-LGW London Gatwick
32h 00m1 stop Singapore Changi
£1,048Singapore Airlines
Booking Insights

Price, demand, and travel trends for London to Semarang flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from London to Semarang with more confidence.

What is the cheapest London to Semarang flight route?

There's little price difference between London to Semarang routes. They average around £771 return, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from London to Semarang?

Thursday is the cheapest day of the week to fly from London to Semarang and is 6% cheaper than the average day. Sunday is the most expensive day with flight prices 87% higher than average. Based on deals found by KAYAK users in the last 12 months.

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Key details for London to Semarang flights

Low season

January

Cheapest flight

£591
Most popular time to fly (7% more expensive on average)
Flights from London Heathrow Airport to Semarang

When to book flights from London to Semarang

Are your dates flexible? Find out the best times to travel from London to Semarang based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your London to Semarang flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which cabin classes can I book on flights from London to Semarang?

    Only Economy class is available on flights from London to Semarang.

  • How long is a flight from London to Semarang?

    There are currently no direct flights available from London to Semarang. Flights with 1 stopover take between 23h 40m and 26h 32m in total, depending on the connection.

  • Do I need a passport to fly from London to Semarang?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a London to Semarang flight?

    Return flights from London to Semarang range from £696 to £1,089, with an average of £744 over the past 12 months. Anything below £696 counts as a good deal.

  • Have flight prices from London to Semarang changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £591 to £4,162. That means the highest observed fare was about 7x higher than the lowest one.

  • Which airports can I use when flying from London to Semarang?

    Flights from London to Semarang may depart from several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN). Flights usually arrive at Semarang Achmad Yani (SRG).

  • Which airports do connecting flights from London to Semarang pass through?

    Connecting flights from London to Semarang most commonly pass through:

    • Singapore Changi (SIN) – 93% of one-stop connections
    • Kuala Lumpur Intl (KUL) – 7% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from London to Semarang?

    Yes. Being flexible with your travel dates can save you up to 50% on the London to Semarang route. Thursday is the cheapest departure day at £701 return on average, while Sunday is the most expensive at £1,395, a difference of £694. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different stopover airport from London to Semarang?

    Flying via Singapore Changi (SIN) gives the shortest average 1-stop total travel time of 23h 40m, compared to 26h 32m via Kuala Lumpur Intl (KUL).

  • What is the time difference between London and Semarang?

    Semarang is 6 hours ahead of London (West Indonesia Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking London to Semarang flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure instead of Sunday. On this route, Thursday flights average £701 – about £694 less than Sunday (50% savings) based on the last 12 months.
  • If you can choose when to travel, plan your London to Semarang trip for October. Fares historically average £660 return in that month – typically £416 less than the most expensive month, which is March (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Semarang Achmad Yani Airport.
    - Ds Residence Siliwangi
    - Nozz Hotel

More options for your flight from London to Semarang

Complete your trip to Semarang with a hotel stay or car hire

Hotels in Semarang