Cheap Flights from Sydney (SYD) to London (LHR)

You can find one-way and return flights from SYD to LHR with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when SYD to LHR ticket fares go up or down.

The cheapest months to fly from Sydney, NSW (SYD) to London (LHR) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

Only one airline offers direct flights from Sydney, NSW (SYD-Kingsford Smith Intl.) to London (LHR-Heathrow). British Airways operates 7 direct flights from Sydney, NSW (SYD-Kingsford Smith Intl.) to London (LHR-Heathrow) every week.

To find a cheap flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to London (LHR-Heathrow), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best airline to fly with from Sydney, NSW (SYD-Kingsford Smith Intl.) to London (LHR-Heathrow) will differ from traveler to traveler. If you like to fly early, British Airways offers early morning flights. If price is the most important factor, British Airways typically offers the lowest fares. Qantas Airways offers the most daily flights from Sydney, NSW (SYD-Kingsford Smith Intl.) to London (LHR-Heathrow), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

The best time to fly from Sydney, NSW (SYD-Kingsford Smith Intl.) to London (LHR-Heathrow) is typically March. This month offers a great balance, as it's both one of the cheapest and most popular times to travel. You can expect return flights to be around AU$1806, and you'll have plenty of flight options to choose from. March offers pleasant early spring weather in London, making it an ideal time to visit.

There is 1 nonstop flight per day from Sydney Kingsford Smith International (SYD) to London Heathrow (LHR). For even more choices, look at flights that include layovers, as there are around 148 connecting flights per day. Some common connection points include Tullamarine (MEL), Changi (SIN), and Hong Kong International (HKG).

The earliest flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to London (LHR-Heathrow) typically departs around 6:00 AM local time. This flight is operated by Emirates and runs year-round. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll generally find the most flights from Sydney, NSW (SYD-Kingsford Smith Intl.) to London (LHR-Heathrow) on a Tuesday, with around 54 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Qantas Airways, Emirates, and Singapore Airlines. Flight schedules are fairly consistent throughout the week, so you'll have plenty of options no matter which day you choose to fly.

The most popular departure times for flights from Sydney, NSW (SYD-Kingsford Smith Intl.) to London (LHR-Heathrow) are in the late evening, from 9pm to midnight. Many major carriers, including Emirates, Qatar Airways and Cathay Pacific, offer flights during this window. Many travellers prefer this because you can make the most of your day in Sydney before your evening flight, and you'll arrive in London in the morning ready to explore.

There are no nonstop flights from Sydney, NSW (SYD-Kingsford Smith Intl.) to London (LHR-Heathrow). The distance between these two cities is approximately 17,018 kilometres. Flights with two or more stops typically take around 21 hours 6 minutes. If you opt for a flight with one stop, your travel time will generally be longer, averaging about 23 hours 52 minutes. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and wind patterns.

Yes, you can fly business class or first class between SYD and LHR.

Airlines that offer business class service on this route include:

• Emirates
• Singapore Airlines
• Air India
• Qatar Airways
• Cathay Pacific
• Etihad Airways
• Malaysia Airlines
• Virgin Australia
• Thai Airways International
• Korean Air
• SriLankan Airlines
• China Eastern Airlines
• Air New Zealand
• Turkish Airlines
• Hong Kong Airlines
• Vietnam Airlines
• China Southern Airlines
• British Airways
• Japan Airlines
• Asiana Airlines
• Air Canada
• Philippine Airlines
• Delta
• Air Japan Company
• Finnair
• Qantas Airways
• All Nippon Airways
• United
• American Airlines
• Air China
• China Airlines

First class cabins are available on:

• Emirates
• Qatar Airways
• British Airways
• Japan Airlines
• Qantas Airways

It's easy to earn miles on a Sydney, NSW (SYD-Kingsford Smith Intl.) to London (LHR-Heathrow) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to London from Kingsford Smith Intl. (SYD), you can fly directly into Heathrow (LHR). Some flights may connect through major hubs like Changi (SIN), Suvarnabhumi Intl. (BKK), or Hong Kong Intl. (HKG) before reaching London. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to London (LHR-Heathrow) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Sydney, NSW (SYD-Kingsford Smith Intl.) to London (LHR-Heathrow) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Sydney, NSW (SYD-Kingsford Smith Intl.) to London (LHR-Heathrow) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.