£311 Find Cheap Flights from London to Semarang – Compare and Save

Only Economy class is available on flights 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.

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.

Return flights from London to Semarang range from £687 to £1,152, with an average of £747 over the past 12 months. Anything below £687 counts as a good deal.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £727 to £4,152. That means the highest observed fare was about 6x higher than the lowest one.

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).

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

Yes. Flexible dates can save you up to 50% on flights from London to Semarang. Thursday is the cheapest departure day at £707 return on average, while Sunday is the most expensive at £1,408, a difference of £700.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

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).

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.