Flights from Sydney (SYD) to London (LHR)

Be sure to pack whatever you need to pamper yourself when flying from Sydney Airport to Heathrow Airport (LHR). With an average travel time of 22 hours and 41 minutes, this flight is no small trip.

With no direct flights operating between Sydney and Hounslow, you’ll be able to add your stopover city to your “been there, done that” list. Have a squiz at the one-stop flights available with American Airlines, British Airways or Singapore Airlines. If you’re keen to visit as many cities as humanly possible, it’s not such a bad thing.

Here’s an insider tip: Tuesday is typically the cheapest day to fly! Looking at flights booked on Wotif.co.nz in 2021, we found that flights departing on a Tuesday generally had the lowest average price. Wotif data also shows Wednesdays and Fridays generally have the highest average ticket prices according to our demand data.

Guess what? Saturday is actually the best day to score the cheapest plane tickets. Looking at flight demand on Wotif.co.nz in 2021, we found that flights purchased on Saturdays had the lowest airfares on average. Thursday, on the other hand, can be the most expensive day of the week to buy your airfare, with generally a higher than average ticket value.

When comparing 2021 flight demand on Wotif.co.nz, September is one of the cheapest months to fly, when ticket prices are generally at their lowest. May is a close second for the cheapest time to fly. The months December and January are often the most expensive ones to travel, with higher than average ticket prices, so plan ahead and book early for your travel plans.

Are you a super organised traveller? Even though not all airlines release their fares a year in advance, you can start researching your flights 12 months in advance for many carriers. It’s good to book your international flights to popular destinations early, particularly in peak holiday periods. According to Wotif’s 2021 travel trends, last minute planners can also bag a bargain with some of the cheapest fares appearing 1-2 weeks prior to travel.*According to flight demand on Wotif.co.nz from January to December 2021. Savings are subject to change and may vary depending on selections made.