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Find cheap flights from Sydney to London Heathrow Airport

SYD - LHR

Find cheap flights from Sydney to London Heathrow Airport

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Good to know

Low season

FebruaryBest time to beat the crowds (16% less expensive on average)

High season

DecemberMost popular time to fly (26% more expensive on average)

Average price (return flight)

$1,464(avg. price over the last 2 weeks)

Good deal (return flight)

$1,255or less

When to book flights from Sydney to London Heathrow Airport

Estimated return price
Average price per month
Flight prices as travel date approaches

Top tips for finding a cheap flight

  • Looking for a cheap flight? 25% of our users found flights on this route for $1,255 or less round-trip.
  • The cheapest flight from Sydney to London Heathrow Airport was found, on average, 84 days before departure.
  • Book at least 3 weeks before departure in order to get a below-average price.
  • High season is considered to be November, December and January. The cheapest month to fly is February.
  • Flights from Sydney’s Kingsford Smith Airport (SYD) to London Heathrow Airport (LHR) depart from International Terminal T1. Heathrow Airport has four terminals (T2, T3, T4 and T5), and the one you arrive at will depend on the airline you fly with; it should be printed on your boarding pass.
  • If you have a pet that needs to be cared for during your trip to London, you’ll find a top-quality pet hotel in the Sydney Airport precinct. Hanrob Pet Hotel is available for a short or long-term stay, and they’ll even arrange video calls so you can check on your beloved pet.
  • Taxi and rideshare providers offer a convenient way to get from your doorstep to the international check-in area at Sydney Airport. The trip usually takes around 20min, though this does depend on traffic conditions, and you can expect to pay roughly A$ 45 to A$ 55.
  • Flying into Heathrow Airport (LHR) will find you at the most established, central and high-functioning of the six airports serving the London area in the UK. It has three different train stations linking the terminals, all connected to Paddington station by Heathrow Express and Heathrow Connect.
  • If you need some beauty or R&R after a long flight, pop into Heathrow’s Be Relax Beauty Spa at Terminal 5B (Gate 35) and grab a quick massage or facial.
  • Regular travellers to Heathrow Airport can take advantage of the Heathrow rewards system. It offers loyalty points to spend in participating stores, exclusive offers and other benefits.

FAQs for booking Sydney to London Heathrow Airport flights

What are the parking options at Sydney Airport?

How do I hire a vehicle at London Heathrow Airport?

For travellers journeying from Sydney Kingsford Smith Airport (SYD) to London Heathrow Airport (LHR), we recommend having a look at flying with British Airways. With Heathrow being a hub for British Airways, there are a variety of flight times available to fit your schedule.

How does KAYAK find such low prices on flights from Sydney to London Heathrow Airport?

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sydney to London Heathrow Airport?

What is the Hacker Fare option on flights from Sydney to London Heathrow Airport?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sydney to London Heathrow Airport?

COVID-19 information

Safety measures for airlines flying from Sydney to London Heathrow Airport

Airlines flying from Sydney to London Heathrow Airport have enacted additional safety measures and adjusted policies to better accommodate travellers. Policies vary by airline.

Heightened sanitation

Daily cleaning, installation of cabin HEPA filters on flights from Sydney to London Heathrow Airport

Mandatory masks

Masks required on board, masks provided on flights from Sydney to London Heathrow Airport

Social distancing seating

Middle seats unavailable to book on flights from Sydney to London Heathrow Airport

Pre-flight testing

Testing for antibodies, testing for symptoms for flights from Sydney to London Heathrow Airport

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