Cheap Flights from Sydney to London
Compare indicative cheapest fares from Sydney (SYD) to London (LHR) — currently from A$690. Check airlines, flight times and the cheapest days to fly, then book with our travel partner.
Search live Sydney → London faresFares from
A$690
Fastest trip
22h 00m
Airlines
5+ carriers
Cheapest Sydney to London 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 Sydney to London
On the Sydney to London route you will typically find fares from MU, HU, TR, CA, CZ. 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 Sydney–London fare
- • Fly mid-week — Tuesday and Wednesday departures are usually cheapest.
- • Our data shows lower fares around August — 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.
Sydney to London flights — FAQs
How much is a cheap flight from Sydney to London?
Indicative fares from Sydney to London start from around A$690 one-way. Prices change with the season and how far ahead you book — the cheapest deals we have on record for Sydney (SYD) to London (LHR) currently sit near A$690.
Which airlines fly from Sydney to London?
Carriers offering fares on the Sydney to London route include MU, HU, TR, CA, CZ. Availability changes daily, so compare the live options below before you book.
How long is the flight from Sydney to London?
The quickest itineraries we see on Sydney to London take about 22h 00m. Times vary by airline and number of stops.
When is the cheapest time to fly from Sydney to London?
Our data currently shows the lowest Sydney–London fares around August. 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 Sydney to London?
Compare the indicative cheapest fares below, then tap "Book" to complete your Sydney to London booking on our trusted travel partner's site. Fares shown are indicative and confirmed at checkout.