Cheap Flights Semarang to London from £520

Flight FAQs

• Which airlines offer the cheapest flights from Semarang to London?

  Based on Trip.com data, Singapore Airlines offers Cheapest nonstop one-way flights from £520 (for example, SRG–LHR on Mon, Oct 5). For a Cheapest nonstop return flight, Singapore Airlines offers fares from £915, departing on Sat, Oct 17 and returning on Sat, Oct 24.

• Which airlines offer direct flights from Semarang to London?

  At the moment, you can catch a direct flight from Semarang to London with the following airlines, including: Garuda Indonesia Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• When is the best time to book flights from Semarang to London?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Semarang to London is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Semarang to London?

  Here are some tips for finding the best flight deals from Semarang to London on Trip.com:
  · Be flexible with your travel dates. The cheapest flight is currently on Mon, Oct 5, with one-way fares from just £520.
  · Compare airlines. Singapore Airlines currently offers the lowest fares on this route.
  · Set up a price alert to track fare changes without searching every day.
  · Check Trip.com regularly for flight deals and available promo codes.
  · Avoid peak season or book early. July is generally the busiest month for travel to London.
  · Get exclusive promo codes on the Trip.com app.

• When is the best time to book a flight from Semarang to London to get the best price?

  The cheapest month to book a flight from Semarang to London is usually October, when demand is lower.

• Which upcoming date is the cheapest for flights from Semarang to London?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Semarang to London on September 17, 2026 with Singapore Airlines, with prices starting at £520.

• Which airports should you choose for flights from Semarang to London?

  Flights to London can arrive at: London City Airport (LCY), London Gatwick Airport (LGW), Heathrow Airport (LHR), London Luton Airport (LTN), London Southend Airport (SEN) and London Stansted Airport (STN). The most common route connects Jenderal Ahmad Yani International Airport and London Gatwick Airport (SRG–LGW).

• What is the time difference between Semarang and London?

  The time difference between London and Semarang is 7h.

• How can I change or cancel my flight ticket from Semarang to London?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average price of a one-way flight from Semarang to London?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Semarang to London is £643. Fares vary by travel date, airline and availability.

• How do I book flights from Semarang to London on Trip.com?

  Enter Semarang and London, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.