Cheap flights from Sydney to London

One-way fares from $454 · SYD → LON · prices found by travellers in the last 48 hours

Compare all dates London → Sydney
Cheapest fare
$454

Air China · Thu, 28 Jan

Cheapest month
January

from $454

Direct flights
Not recently

Usually 1+ stop

Quickest trip
22h 40m

16,990 km

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Cheapest month to fly from Sydney to London

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

  1. November 2026 $602
  2. December 2026 $721
  3. January 2027 Cheapest $454
  4. April 2027 $742
  5. June 2027 $722

Cheapest dates in January 2027

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

Air China
Depart10:30 Tue, 26 JanSYD → LGW 22h 40m · 1 stop
$482one way, per person
View deal
See every date in January 2027 →

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About flights from Sydney to London

Sydney (SYD) and London (LON) 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 22h 40m. Over the next few months, one-way fares start from $454, and January 2027 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 Sydney to London?

The cheapest one-way fare we've seen recently is $454 with Air China, departing Thursday 28 January 2027. Over the coming months, the lowest fare in each month ranges from $454 to $742.

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

January 2027 currently has the lowest fares, from $454 one way.

Are there direct flights from Sydney to London?

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

How long is the flight from Sydney to London?

The quickest journey we've seen takes about 22h 40m. Sydney and London are around 16,990 km apart.

Which airlines fly from Sydney to London?

Recent fares on this route were with Cathay Pacific, China Eastern, Air China and Air India.

More cheap flights from Sydney

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