Cheap flights from Sydney to the United Kingdom from £363
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Sydney to United Kingdom
Keep the following information in mind while searching for Sydney to United Kingdom flight deals. Data was last updated 4 July 2025.
Round-trip from | £723 |
---|---|
One-way from | £363 |
Popular in | December |
Cheapest in | October |
Average price | £943 |
Good round-trip deal | £1,077 or less |
Find flight deals from Sydney to United Kingdom
Cheapest flights from Sydney to United KingdomExplore the most affordable flight options available from Sydney to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.
Explore the most affordable flight options available from Sydney to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Sydney to United Kingdom 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 4 July 2025.
Use the filters below to find and compare flights from Sydney to the United Kingdom that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Wed 30/7
12:00-18:40
2 stops39h 40m
London Heathrow
Wed 6/8
21:20-07:40
3 stops49h 20m
SydneyLondon
SYD - LGW
SYDLGW
Sydney Kingsford Smith
Sun 17/8
12:00-15:10
2 stops36h 10m
London Gatwick
Tue 9/9
11:35-07:40
3 stops35h 05m
SydneyLondon
SYD - LGW
SYDLGW
Sydney Kingsford Smith
Fri 8/8
19:40-18:45
2 stops32h 05m
London Gatwick
Tue 26/8
11:25-14:50
2 stops42h 25m
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Wed 30/7
19:45-20:15
2 stops33h 30m
London Heathrow
Sat 16/8
22:00-14:50
2 stops55h 50m
SydneyLondon
SYD - LGW
SYDLGW
Sydney Kingsford Smith
Sun 14/9
20:55-12:50
2 stops48h 55m
London Gatwick
Sun 16/11
10:05-19:50
2 stops46h 45m
SydneyLondon
SYD - LGW
SYDLGW
Sydney Kingsford Smith
Mon 4/8
19:45-18:45
2 stops32h 00m
London Gatwick
Mon 1/9
18:05-12:35
1 stop33h 30m
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Mon 18/8
21:30-18:45
1 stop30h 15m
London Heathrow
Sun 7/9
21:45-06:10
1 stop23h 25m
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sun 14/9
20:55-20:50
2 stops32h 55m
London Heathrow
Sun 16/11
22:35-19:50
2 stops34h 15m
SydneyLondon
SYD - LTN
SYDLTN
Sydney Kingsford Smith
Sun 20/7
20:30-21:45
2 stops34h 15m
London Luton
Thu 21/8
15:05-09:00
2 stops32h 55m
SydneyLondon
SYD - LGW
SYDLGW
Sydney Kingsford Smith
Tue 7/10
15:50-06:40
1 stop24h 50m
London Gatwick
Tue 4/11
14:05-06:50
1 stop29h 45m
Best time to book a flight from Sydney to United Kingdom
Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Sydney with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Sydney to the United Kingdom
What is the cheapest month to book a flight from Sydney to United Kingdom?
Currently, January is the cheapest month in which you can book a flight from Sydney to United Kingdom (average of £112). Flying from Sydney to United Kingdom in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SYD to GB?
Find hourly flight availability from Sydney to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2025.
When flying from Sydney to United Kingdom, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Sydney to United Kingdom
Explore weekly flight availability from Sydney to United Kingdom. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 4 July 2025.
The most flights from SYD to GB0 are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).
Reviews of airlines servicing United Kingdom
Get insights into the airlines that provide service to United Kingdom. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to United Kingdom. Reviews last updated 4 July 2025.
See what other customers who have flown with Japan Airlines, Emirates, andKLM from Sydney to the United Kingdom have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Food
Crew
Comfort
Entertainment
Overall
Reviews
Roger,Jun 2025
ORD - PIT
Boarding
Food
Crew
Comfort
Entertainment
Overall
Reviews
Roger,Jun 2025
ORD - PIT
Boarding
Food
Crew
Comfort
Entertainment
Overall
Reviews
Roger,Jun 2025
ORD - PIT
Boarding
Food
Crew
Comfort
Entertainment
Overall
Reviews
Roger,Jun 2025
ORD - PIT
Boarding
Food
Crew
Comfort
Entertainment
Overall
Reviews
Roger,Jun 2025
ORD - PIT
Boarding
Food
Crew
Comfort
Entertainment
Overall
Reviews
Roger,Jun 2025
ORD - PIT
Related info for your journey
Find useful and relevant information for your journey from Sydney to United Kingdom. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Sydney to United Kingdom
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Sydney to United Kingdom
Discover the top 10 airlines that operate flights from Sydney to United Kingdom. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 4 July 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Sydney to United Kingdom?
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Why should you use Cheapflights to find cheap flight tickets from Sydney to United Kingdom?
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Can Cheapflights find flights from Sydney to United Kingdom with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to United Kingdom flexibly with Cheapflights today.
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Not ready to book yet? You can track prices for flights from Sydney to United Kingdom on Cheapflights with our Price Alert feature and get notified when better prices are available.