Cheap Flights from London to Sydney
Compare indicative cheapest fares from London (LHR) to Sydney (SYD) — currently from £420. Check airlines, flight times and the cheapest days to fly, then book with our travel partner.
Search live London → Sydney faresFares from
£420
Fastest trip
20h 45m
Airlines
6+ carriers
Cheapest London to Sydney fares right now
Fares are indicative (updated periodically) and confirmed on our partner’s site. We may earn a commission when you book through our links, at no extra cost to you.
Airlines flying London to Sydney
On the London to Sydney route you will typically find fares from CZ, MF, CA, MU, GS, OS. Comparing a few carriers is the surest way to catch the cheapest flights, since the lowest fare shifts between airlines by the day.
Tips for the cheapest London–Sydney fare
- • Fly mid-week — Tuesday and Wednesday departures are usually cheapest.
- • Our data shows lower fares around November — target that window if you can.
- • Book a few weeks to two months ahead rather than last-minute.
- • Set a price alert and compare non-stop vs one-stop options.
London to Sydney flights — FAQs
How much is a cheap flight from London to Sydney?
Indicative fares from London to Sydney start from around £420 one-way. Prices change with the season and how far ahead you book — the cheapest deals we have on record for London (LHR) to Sydney (SYD) currently sit near £420.
Which airlines fly from London to Sydney?
Carriers offering fares on the London to Sydney route include CZ, MF, CA, MU, GS, OS. Availability changes daily, so compare the live options below before you book.
How long is the flight from London to Sydney?
The quickest itineraries we see on London to Sydney take about 20h 45m. Times vary by airline and number of stops.
When is the cheapest time to fly from London to Sydney?
Our data currently shows the lowest London–Sydney fares around November. As a rule, mid-week departures (Tuesday and Wednesday) and booking a few weeks to a couple of months ahead give you the cheapest flights on this route. Set a price alert and stay flexible on dates to save the most.
Where can I book cheap flights from London to Sydney?
Compare the indicative cheapest fares below, then tap "Book" to complete your London to Sydney booking on our trusted travel partner's site. Fares shown are indicative and confirmed at checkout.
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Written by Divyesh Gajjar, Founder of ConfirmYatra.