Cheap flights from London Heathrow to Semarang

from as little as £1,204

16 nights in Semarang, departing London Heathrow on 06 / Aug / 2025 with Etihad Airways (price found 8 hours ago)

Subject to availability, prices correct of the last 24 hours
Semarang

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The London Heathrow / Semarang route

All 12058 km of it

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Semarang flight facts

What you need to know

Alternative flights from the UK to Semarang

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Semarang

06 / Aug / 2025 is currently the lowest priced day of the year to fly the London Heathrow/Semarang route. There are around 24 flights on any given week from the UK to Semarang and the cheapest month to fly right now is August.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)
LOWEST

24 °C

AVG

28 °C

HIGHEST

32 °C

Rainfall (mm)
LOWEST

60 mm

AVG

210.8 mm

HIGHEST

430 mm

Key facts about Semarang

How to get cheap flights from London Heathrow to Semarang

Tips and advice from our flight experts

We've gone through lots of different flights, to help you find the cheapest way to get from London Heathrow to Semarang. You can choose from four airlines. At the moment, 06 / Aug / 2025 is the cheapest date to travel, but scroll through the results to find the option that works best for you.

There are 24 flights from London Heathrow to or via Semarang every week. Out of the four available airlines, the most popular ones are Garuda Indonesia, Qatar Airways & Etihad Airways. But that doesn’t necessarily mean they’ll be the best option for your travel dates. To see as many flights as possible, try widening your search to include other departure airports.

Your flight from London Heathrow to Semarang will take at least 20 hrs 45 mins. On average, it takes 25 hrs 40 mins to fly the 12058 km distance. Take a look at flight times to see which one works best for you.

If you need somewhere to stay for your trip to Indonesia, take a look at our accommodation options.

Other popular destinations near Semarang

Where other people are flying to

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