Cheap flights from London to Sydney

One-way fares from £380 · LON → SYD · prices found by travellers in the last 48 hours

Compare all dates Sydney → London
Cheapest fare
£380

easyJet · Sun 6 Dec

Cheapest month
December

from £380

Direct flights
Not recently

Usually 1+ stop

Quickest trip
20h 55m

16,990 km

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Cheapest month to fly from London to Sydney

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 £390
  2. December 2026 Cheapest £380
  3. January 2027 £552
  4. March 2027 £389
  5. April 2027 £434
  6. May 2027 £425
  7. June 2027 £404
  8. July 2027 £840
  9. October 2027 £650

Cheapest dates in December 2026

The lowest fares we've seen for each day, cheapest first.

easyJet
Depart11:00 Sun 6 DecLTN → SYD 21h 40m · 2 stops
£380one way, per person
View deal
Ryanair
Depart08:20 Mon 7 DecSTN → SYD 24h 00m · 3 stops
£403one way, per person
View deal
Xiamen Airlines
Depart16:05 Wed 2 DecLHR → SYD 21h 25m · 1 stop
£404one way, per person
View deal
easyJet
Depart06:20 Tue 1 DecLTN → SYD 21h 50m · 2 stops
£405one way, per person
View deal
easyJet
Depart11:20 Tue 8 DecLTN → SYD 23h 45m · 3 stops
£416one way, per person
View deal
Ryanair
Depart18:00 Thu 3 DecLTN → SYD 23h 15m · 2 stops
£427one way, per person
View deal
easyJet
Depart06:55 Wed 9 DecLTN → SYD 23h 10m · 3 stops
£440one way, per person
View deal
Ryanair
Depart08:05 Mon 14 DecSTN → SYD 23h 00m · 3 stops
£492one way, per person
View deal
See every date in December 2026 →

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Where to stay, what to do and getting around, from our travel partners.

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About flights from London to Sydney

London (LON) and Sydney (SYD) are about 16,990 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 20h 55m. Over the next few months, one-way fares start from £380, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from London to Sydney?

The cheapest one-way fare we've seen recently is £380 with easyJet, departing Sunday, 6 December 2026. Over the coming months, the lowest fare in each month ranges from £380 to £840.

What is the cheapest month to fly from London to Sydney?

December 2026 currently has the lowest fares, from £380 one way.

Are there direct flights from London to Sydney?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from London to Sydney?

The quickest journey we've seen takes about 20h 55m. London and Sydney are around 16,990 km apart.

Which airlines fly from London to Sydney?

Recent fares on this route were with Xiamen Airlines, easyJet, China Eastern, Luxair, Ryanair, Air China, Wizz Air UK, Shenzhen Airlines, Pegasus Airlines, China Southern Airlines and LOT Polish.

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