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Cheap flights from London Heathrow Airport to Semarang from £609

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SRG
2 Jun — 9 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Semarang

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Semarang
Explore the most affordable flight options available from Heathrow to Semarang. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 May 2026.

Mon 28/922:05
LHR
-
SRG
2 stops30h 45m
Multiple Airlines
Tue 13/1011:20
SRG
-
LHR
2 stops38h 40m
Multiple Airlines
Deal found 1/5£609
Mon 21/922:05
LHR
-
SRG
2 stops30h 45m
Multiple Airlines
Tue 6/1011:20
SRG
-
LHR
2 stops38h 40m
Multiple Airlines
Deal found 1/5£627
Mon 21/921:45
LHR
-
SRG
2 stops32h 20m
Etihad Airways
Wed 7/1009:30
SRG
-
LHR
2 stops35h 35m
Etihad Airways
Deal found 30/4£693
Mon 14/921:45
LHR
-
SRG
2 stops29h 00m
Etihad Airways
Wed 30/915:30
SRG
-
LHR
2 stops33h 15m
Etihad Airways
Deal found 1/5£701
Tue 29/918:55
LHR
-
SRG
2 stops37h 45m
Multiple Airlines
Thu 15/1009:30
SRG
-
LHR
2 stops26h 55m
Multiple Airlines
Deal found 29/4£707
Tue 29/921:45
LHR
-
SRG
2 stops37h 15m
Etihad Airways
Thu 15/1009:30
SRG
-
LHR
2 stops35h 35m
Etihad Airways
Deal found 29/4£714
Sun 14/621:45
LHR
-
SRG
2 stops39h 00m
Etihad Airways
Sun 21/609:30
SRG
-
LHR
2 stops33h 15m
Etihad Airways
Deal found 30/4£732
Tue 19/520:45
LHR
-
SRG
2 stops30h 00m
Etihad Airways
Mon 1/609:30
SRG
-
LHR
2 stops27h 30m
Etihad Airways
Deal found 29/4£739
Tue 19/509:30
LHR
-
SRG
2 stops25h 30m
Etihad Airways
Wed 3/607:05
SRG
-
LHR
2 stops29h 55m
Etihad Airways
Deal found 1/5£742
Wed 30/921:45
LHR
-
SRG
2 stops29h 00m
Etihad Airways
Sun 4/1009:30
SRG
-
LHR
2 stops35h 35m
Etihad Airways
Deal found 29/4£761

Find flight deals from Heathrow to Semarang

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 3 May 2026.

Round-trip from

£609
28/9-13/10
  • 28/9-13/10
  • 4 total stops
  • 69h 25m total
  • London to Semarang
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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 3 May 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Semarang that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSemarang

LHR - SRG

LHRSRG

London Heathrow

Tue 19/5

21:45-08:45

2 stops29h 00m

Semarang Achmad Yani

Tue 2/6

15:30-15:05

2 stops29h 35m

£739

LondonSemarang

LHR - SRG

LHRSRG

London Heathrow

Tue 19/5

09:30-17:00

2 stops25h 30m

Semarang Achmad Yani

Mon 1/6

09:30-12:45

2 stops33h 15m

£739
Fastest return journey

LondonSemarang

LHR - SRG

LHRSRG

London Heathrow

Tue 19/5

09:30-17:00

2 stops25h 30m

Semarang Achmad Yani

Wed 3/6

07:05-07:00

2 stops29h 55m

£742

LondonSemarang

LHR - SRG

LHRSRG

London Heathrow

Wed 30/9

14:45-08:45

2 stops36h 00m

Semarang Achmad Yani

Sun 4/10

08:15-15:05

2 stops36h 50m

£761

Flights are sorted by cheapest return flights first.

Deals found on 30/4

Sorted by cheapest first

Best time to book a flight from Heathrow to Semarang

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

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 Heathrow?

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

  • How long is the flight from London Heathrow Airport to Semarang?

    Airlines like Etihad Airways fly from London Heathrow Airport to Semarang in about 29h. The time it takes to get you to your destination can typically vary by up to . The distance from London Heathrow Airport to Semarang is about 7481 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Semarang

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

Fly with Cheapflights

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

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Semarang for you. Better yet — we are completely free to use.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Semarang flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on Heathrow to Semarang flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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