A vibrant view of Sydney Harbour Bridge with Luna Park and sailboats highlighting the iconic skyline. — flights from London to Sydney
London, UKSydney, Australia

Flights from London to Sydney

Nonstop flights from London (LHR) to Sydney (SYD) take about 21h 47m (17,021 km). Qantas flies it. Lowest fare seen: $1122 one-way, nonstop (12 Oct 2026).

All flights from London →All flights to Sydney →

Photo of Sydney: Donovan Kelly on Pexels.

When you land in Sydney

The airport transfer and the few things worth sorting before you fly.

Find hotels in Sydney

Hotels, hostels & more · Trip.com

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Airlines flying London to Sydney

Carriers on LHR–SYD according to our route data and nonstop fares seen as of 12 Oct 2026. Not a complete list.

✈ Qantasnonstop fare seen

London to Sydney fares by month

Cheapest month seen for a nonstop flight: Oct 2026, from $1307 one-way. With stops: Nov 2026, from $521. Lowest one-way fares seen for departures in each month, read 22 Oct 2026.

DepartingNonstop fromCheaper with stops
Oct 2026$130725 Oct 2026 · Qantas$627 · 1 stop28 Oct 2026
Nov 2026$132130 Nov 2026 · Qantas$521 · 2 stops30 Nov 2026
Dec 2026$13841 Dec 2026 · Qantas$550 · 2 stops6 Dec 2026
Jan 2027$165813 Jan 2027 · Qantas$779 · 2 stops10 Jan 2027
Mar 2027$141620 Mar 2027 · Qantas$721 · 3 stops20 Mar 2027
Apr 2027$14198 Apr 2027 · Qantas$598 · 1 stop8 Apr 2027
May 2027$13214 May 2027 · Qantas$536 · 1 stop4 May 2027
Jul 2027$212915 Jul 2027 · Qantas$899 · 2 stops15 Jul 2027

When to go for the lowest fare

Fares were close across the months we saw: $521 for November 2026, $536 at best after that.

Nonstop or with a stop

A connection undercut nonstop in 8 of 8 months with both fares.

From Travelpayouts flight-search data, city to city (London to Sydney, any airport), USD, read 22 Oct 2026. These are fares that were on sale, not a guarantee of today's price; an airline is named only where we know it flies this route.

Best time to fly to Sydney

Based on weather and travel conditions in Australia

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Best monthsGoodAvoid if possible

Spring (Sept–Nov) and autumn (Mar–May) are ideal across most of Australia. Summers in the interior are extremely hot; northern Australia (tropical north) is best during dry season (May–Oct).

Peak season: September – November, March – May

More for this trip

Frequently asked questions — London to Sydney flights

How long is the flight from London to Sydney?
A nonstop flight from London (LHR) to Sydney (SYD) takes about 21h 47m, covering 17,021 km. That is an estimate from the distance — actual time varies with the airline, aircraft and winds, and connecting itineraries take longer.
How far is London from Sydney by air?
The great-circle distance between London Heathrow Airport and Sydney Kingsford Smith International Airport is 17,021 km (10,576 miles), a ultra long-haul route.
Which airlines fly from London to Sydney?
Airlines with flights or nonstop fares on the LHR–SYD route include Qantas. This is not a complete list — schedules change by season, so check the current options before booking.
How much does a flight from London to Sydney cost?
The lowest one-way fare seen recently on LHR–SYD was $1122 USD with Qantas (nonstop), departing 15 Feb 2027, found in fare searches as of 12 Oct 2026. Fares change constantly and depend on the date, so check the current price before booking.
What is the cheapest month to fly from London to Sydney?
In fares seen on 22 Oct 2026, departures in November 2026 were cheapest, from $521 one-way, against $899 for July 2027, the dearest month. Fares change daily, so check your own dates.
Is it cheaper to fly nonstop or with a stop from London to Sydney?
In the fares we saw (12 Oct 2026), connecting was cheaper: from $548 with one stop against $1122 nonstop, a saving of $574. Nonstop saves the connection time.
Do I need a visa to travel from UK to Australia?
It depends on your passport. Some nationalities can enter Australia visa-free or get a visa on arrival; others must apply in advance. Use AirConnect's Visa Checker to see the rules for your passport.
What is the best time to visit Sydney?
Spring (Sept–Nov) and autumn (Mar–May) are ideal across most of Australia. Summers in the interior are extremely hot; northern Australia (tropical north) is best during dry season (May–Oct).

Sources: fares from Travelpayouts flight-search data, seen 12 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.

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