Cheap flights from Sydney to London

Kingsford Smith
SYD
London
LON

Flight deals from Sydney to London

Below you can see the best deals on flights Sydney — London for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 10 August, from $414.

Top 10 cheap flights from Sydney to London

MU
MU
$ 398

Sydney — London

20:30—19:10
10 Aug 2026
31 h 40 m
1 stop
MU
MU
$ 398

Sydney — London

20:30—19:10
12 Aug 2026
31 h 40 m
1 stop
MU
MU
$ 398

Sydney — London

11:00—19:10
10 Aug 2026
41 h 10 m
1 stop
MU
MU
$ 398

Sydney — London

11:00—19:10
11 Aug 2026
41 h 10 m
1 stop
MU
MU
$ 398

Sydney — London

11:00—19:10
12 Aug 2026
41 h 10 m
1 stop
MU
MU
$ 398

Sydney — London

11:00—19:10
13 Aug 2026
41 h 10 m
1 stop
MU
MU
$ 398

Sydney — London

11:00—19:15
15 Aug 2026
41 h 15 m
1 stop
HU
HU
$ 488

Sydney — London

21:00—19:30
11 Aug 2026
31 h 30 m
1 stop
HU
HU
$ 488

Sydney — London

21:00—19:30
13 Aug 2026
31 h 30 m
1 stop
MU
MU
$ 516

Sydney — London

11:00—15:00
13 Aug 2026
37 h
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

When is the best time to book a flight from Sydney to London?

The price of a flight from Sydney to London changes depending on how far ahead you book. For the best chance of a lower fare, book around 8 days before departure, when the average ticket costs about $577. Fares also tend to climb as the departure date gets closer.

About the Sydney — London flight

Looking for cheap flights from Sydney to London? Compare fares from different airlines, check the flight schedule and travel time — and book your Sydney — London ticket online at the best price.

The route has direct flights — around 2 flights per week, flights are operated by British Airways, Qantas, a nonstop flight takes about 21 h 44 min, the distance between the cities is around 16,989 km.

Planning your trip? You may find our London travel guide, how to get from the airport into town and London weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $414Min. price
AugustCheapest
JunePeak season
YesDirect flights
16,989 kmDistance
21 h 44 minTravel time
2Airlines
2 / wkFlights

Flight schedule from Sydney to London

The table shows direct flights from Sydney to London on the selected date. The flight takes approximately 21 h 44 min. Regular flights are operated by British Airways and Qantas. Departures from Sydney (Kingsford Smith) Airport and Western Sydney International Airport airports, arrivals at Heathrow Airport, London Gatwick Airport and Stansted Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Mon, 10 August
Any time
Last update: 08 Aug 2026

Flight ticket prices by day: Sydney — London

Below is a calendar of the lowest flight ticket prices for Sydney — London by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $414 in August, and the most expensive are around $772 in June. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Sydney to London by month. Tickets are usually cheapest in March (around $650) and priciest in December (about $993) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$846highMay$674lowSep$772medium
Feb$662lowJun$883highOct$662low
Mar$650lowJul$919highNov$650low
Apr$735mediumAug$883highDec$993high

Some values are estimated based on seasonality.

When to fly

Weather in London: it is warmest in July (up to 22 °C on average) and coolest in January (around 7 °C). The driest month is June.

Tickets are usually cheapest in August and most expensive in June. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · London

Dry and wet days · London

Wind speed and direction · London

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How to get the best deal on a Sydney — London ticket

  • Book ahead: fares for Sydney — London are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Sydney is served by more than one airport — compare fares and travel time to each before you book.
  • Flights Sydney — London operate on Mondays and Fridays — keep that in mind when picking your travel dates.
  • The cheapest month to fly to London is usually August — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Sydney — London route are operated by 2 airlines; British Airways runs the most flights (around 50% of all flights). Compare carriers, flight shares and schedules below.

  • British AirwaysBA
    1x/week
    WebsiteFleet: 29243M pax/year
    • Direct flight SYD → LHR1x/week
      Duration
      24h
      Days
      MTWTFSS
    50.0%Open →
  • QantasQF
    1x/week
    WebsiteFleet: 33646M pax/year
    • Direct flight SYD → LHR1x/week
    50.0%Open →

Cities and airports on the Sydney — London route

Flights Sydney — London depart from Sydney (Kingsford Smith) Airport and Western Sydney International Airport and arrive at Heathrow Airport, London Gatwick Airport, Stansted Airport and London Luton Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Sydney

SYD
Australia
About the cityHow to get thereWeatherAll about the country Australia
Arrival

London

LON
United Kingdom
About the cityHow to get thereWeatherAll about the country United Kingdom
Departure airports
Arrival airports

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Frequently asked questions about the Sydney — London flight

How long is the flight from Sydney to London?

A nonstop Sydney — London flight takes about 21 h 44 min — the distance between the cities is around 16,989 km.

How far is it from Sydney to London?

The distance from Sydney to London is about 16,989 km, which a nonstop flight covers in around 21 h 44 min.

Are there direct flights from Sydney to London?

Yes, there are nonstop flights Sydney — London — around 2 flights per week.

Which airlines fly from Sydney to London?

Airlines operating Sydney — London include British Airways, Qantas. See the full list with schedules in the "Airlines" section on this page.

Which airports do Sydney — London flights use?

Flights from Sydney depart from Sydney (Kingsford Smith) Airport, Western Sydney International Airport, and arrive at Heathrow Airport, London Gatwick Airport, Stansted Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Sydney to London?

The price of a Sydney — London ticket depends on your travel date, season and demand: it is usually cheapest to fly in August, and most expensive in June. Tickets typically cost between $414 and $772. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Sydney — London?

Flights Sydney — London are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is August. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Sydney to London?

To catch a low fare Sydney — London, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually August.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Sydney

See all
MelbourneBrisbaneAucklandCanberraGold CoastAdelaidePerthSingaporeSunshine CoastHobartCairnsHong KongBangkokDenpasarTokyoKuala LumpurChristchurchQueenstownBallinaWellingtonNadiCoffs HarbourWagga WaggaLos AngelesLauncestonPort MacquarieAlburySeoulDubboDarwinGuangzhouDubaiManilaOrangeShanghaiHo Chi Minh CityTamworthHonoluluAbu DhabiTownsville

Where else you can fly from London

See all
New York CityAmsterdamMadridBarcelonaDublinParisFrankfurt am MainMilanPalmaMalagaEdinburghIstanbulGenevaGlasgowBelfastLisbonFaroZurichNiceRomeLos AngelesCopenhagenAthensAlicanteBerlinSan FranciscoDubaiBostonIbizaTorontoAntalyaMunichChicagoDohaBristolStockholmOsloViennaDusseldorfCardiff

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