Sydney to London flights
The cheapest round trip we found from Sydney to London is $950 (Feb 3 – 20, 2027, 1 stop), 9% below the usual $1,040.
SYD to LON · Round trip · Economy · Prices per person in USD · Price found (2 days ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $1,062 |
| December 2026 | $1,455 |
| January 2027 | $1,186 |
| February 2027 | $950 (cheapest month) |
Cheapest dates in the next 4 months
Round trip, per person-
Feb 3 – 20, 2027 17 nights · leave Wed$950 −9% vs usual$950 −9% vs usual Book
Air China 1 stop · 22h 50m -
Feb 1 – 15, 2027 14 nights · leave Mon$952 −8% vs usual$952 −8% vs usual Book
Air China 1 stop · 22h 50m
-
Nov 18 – 29 11 nights · leave Wed$1,062$1,062 Book
Air India 1 stop · 24h 15m -
Nov 18 – 21 3 nights · leave Wed$1,185 +14% vs usual$1,185 +14% vs usual Book
Air India 1 stop · 24h 15m
-
Jan 15 – 22, 2027 7 nights · leave Fri$1,268 +22% vs usual$1,268 +22% vs usual Book
Air China 1 stop · 22h 40m
-
Dec 25 – Jan 9, 2027 15 nights · leave Fri$1,455 +40% vs usual$1,455 +40% vs usual Book
Air China 1 stop · 22h 50m
-
Dec 12 – 19 7 nights · leave Sat$1,825 +75% vs usual$1,825 +75% vs usual Book
Air India 1 stop · 24h 10m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in London
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Airport transfer to London
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Plan the rest of your trip
London · Feb 3 – 20, 2027- eSIM for United Kingdom Yesim · prepaid mobile data (opens Yesim in a new tab)
- Car rental in United Kingdom Economybookings · compare rental companies (opens Economybookings in a new tab)
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Good to know
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Flights to London from other cities
All flights to London
Sydney to London: questions
How much does a flight from Sydney to London cost?
The cheapest round trip we have found right now is $950, leaving February 3 and returning February 20. The usual price on this route is about $1,040, so this fare is 9% less. Prices are per person, economy, in USD.
What is the cheapest month to fly from Sydney to London?
February 2027, with round trips from $950. The most expensive month in our data is December (from $1,455). Based on the 4 months ahead we have prices for.
Which airports do Sydney to London flights use?
Sydney airports include Sydney (Kingsford Smith) (SYD) and Western Sydney (WSI). London airports include London Heathrow (LHR), London City (LCY) and London Gatwick (LGW). The prices on this page cover every airport in both cities (SYD and LON are the city codes).
About this route
We track round-trip economy fares from Sydney (Australia) to London (United Kingdom) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $950, departing February 3 and returning February 20, about 9% below the usual $1,040. Right now we're following 7 upcoming date combinations on this route. The cheapest month to fly in our data is February, from $950. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.