SYD - LON

$422 Find Cheap Flights from Sydney to London

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Sydney to London departing on 6/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sydney to London.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sydney to London.
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Cheap Flights from Sydney to London (SYD-LON)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Sydney to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Sydney to London

Sat, Nov 15 - Fri, Nov 28
China Eastern Logo
9:30 pm - 6:30 amSYD-LGW
44h 00m1 stop
China Eastern Logo
10:30 am - 10:00 amLGW-SYD
36h 30m1 stop
$856China Eastern
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Tue, Jun 3 - Tue, Jun 10
China Eastern Logo
11:00 am - 3:00 pmSYD-LGW
37h 00m1 stop
China Eastern Logo
11:35 am - 9:00 amLGW-SYD
36h 25m1 stop
$890China Eastern
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Thu, Aug 21 - Mon, Sep 22
British Airways Logo
2:40 pm - 5:25 amSYD-LHR
23h 45m1 stop
British Airways Logo
9:20 pm - 5:20 amLHR-SYD
23h 00m1 stop
$1,120British Airways
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Mon, Sep 15 - Sat, Sep 20
British Airways Logo
2:40 pm - 6:30 amSYD-LHR
24h 50m1 stop
British Airways Logo
7:35 pm - 5:20 amLHR-SYD
24h 45m1 stop
$1,124British Airways
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Tue, Nov 11 - Fri, Nov 28
Singapore Airlines Logo
12:15 pm - 6:25 amSYD-LGW
29h 10m1 stop
Singapore Airlines Logo
9:20 am - 5:55 pmLGW-SYD
21h 35m1 stop
$1,157Singapore Airlines
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Wed, Jun 4 - Sat, Jun 21
Cathay Pacific Logo
10:10 am - 5:40 amSYD-LHR
28h 30m1 stop
Cathay Pacific Logo
10:15 pm - 6:10 amLHR-SYD
22h 55m1 stop
$1,204Cathay Pacific
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Fri, Oct 10 - Sat, Nov 22
Singapore Airlines Logo
4:00 pm - 6:25 amSYD-LGW
24h 25m1 stop
Singapore Airlines Logo
9:20 am - 9:15 pmLGW-SYD
24h 55m1 stop
$1,207Singapore Airlines
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Tue, Jun 17 - Mon, Jul 7
Cathay Pacific Logo
7:40 am - 5:40 amSYD-LHR
31h 00m1 stop
Cathay Pacific Logo
10:15 pm - 8:40 amLHR-SYD
25h 25m1 stop
$1,211Cathay Pacific
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Mon, Jun 9 - Mon, Jun 16
Emirates Logo
9:50 am - 7:20 amSYD-LGW
30h 30m2 stops
Emirates Logo
2:30 pm - 6:05 amLGW-SYD
30h 35m1 stop
$1,286Emirates
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Tue, Aug 5 - Wed, Sep 17
Emirates Logo
8:10 pm - 7:45 pmSYD-LGW
32h 35m1 stop
Emirates Logo
10:05 am - 5:20 pmLGW-SYD
22h 15m1 stop
$1,287Emirates
Find Deal
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KAYAK's insights & trends for Sydney to London flights

Get data-powered insights and trends into flights from Sydney to London to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Sydney to London flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for round-trip flights from Sydney to London.

Our data shows that the cheapest route for a return flight from Sydney to London cost $1,733 and was between Sydney (SYD) and London Heathrow Airport (LHR). On average, the best prices are found if you fly this route. The average price for a return flight for this route is $1,733.

What’s the cheapest day of the week to fly from Sydney to London?

The average price of all round-trip flights from Sydney to London clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to London on a Tuesday and more expensive on a Monday. On your return trip to Sydney, you should consider flying back on a Sunday, and avoid Fridays for better deals.

What is the cheapest month to fly from Sydney to London?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Sydney to London, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Sydney to London is October, where tickets cost $1,038 (return) on average. On the other hand, the most expensive months are December and January, where the average cost of round-trip tickets is $1,713 and $1,443 respectively.

How far in advance should I book a flight from Sydney to London?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Sydney to London, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Sydney to London, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

Good to know

Low seasonFebruary
High seasonJune
Cheapest flight$422
Best time to beat the crowds with an average 16% drop in price.
Most popular time to fly with an average 7% increase in price.
Flight from Sydney to London Heathrow Airport

When to book flights from Sydney to London

Are your dates flexible? Find out the best times to travel from Sydney to London based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Sydney to London

  • Are there business facilities at London Gatwick Airport?

    The Regus Express Business Lounge at London Gatwick Airport’s South Terminal is a recent innovation designed with the business traveller in mind. It comes equipped with modern tele-communications facilities as well as showers. Additionally, there are meeting rooms located in the No.1 Lounge of the north terminal.

  • Is there somewhere to park at London Gatwick Airport?

    London Gatwick Airport features several parking facilities in case you need to leave your car. There is short-term parking a few minutes from the terminal and there is also long-term parking, but you’ll need a shuttle bus back to the terminal building. Premium parking and valet parking are also other options.

  • Are there onsite hotels at London Heathrow Airport?

    Yes, there are two onsite hotels at London Heathrow Airport. One of them is Sofitel Heathrow, which offers direct access to Terminal 5 at the airport. The other is Hilton Heathrow Hotel, which is connected to Terminal 4 via a covered walkway and offers free transport to other airport terminals.

  • What retail options are there at London Heathrow Airport?

    If you enjoy airport shopping, then you will enjoy the wide selection of stores to welcome you at London Heathrow Airport. From premium brand names such as Armani Collezioni, Hugo Boss and Bulgari to Fendi, Gucci and Harrod’s. There is also a Boots chemist just in case you need any last-minute toiletries or medication.

  • What is the cheapest flight from Sydney to London?

    In the last 3 days, the lowest price for a flight from Sydney to London was $422 for a one-way ticket and $856 for a round-trip.

  • Do I need a passport to fly between Sydney and London?

    Yes

  • Which aircraft models fly most regularly from Sydney to London?

    The Airbus A380-800 is the aircraft model that flies most regularly on the Sydney to London flight route.

  • Which airline alliances offer flights from Sydney to London?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between Sydney and London, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Sydney to London, Singapore Airlines or Emirates?

    The two airlines most popular with KAYAK users for flights from Sydney to London are Singapore Airlines and Emirates. With an average price for the route of $1,324 and an overall rating of 8.1, Singapore Airlines is the most popular choice. Emirates is also a great choice for the route, with an average price of $1,484 and an overall rating of 8.0.

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

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sydney to London.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Sydney is likely to change within 7 days, so travelers know whether to wait or book now.

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

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Sydney with another airline.

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

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Sydney up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Sydney to London

  • The greater metropolitan area of London, UK, is served by several international airports, including London Heathrow Airport, London Gatwick Airport and London City Airport, so it’s essential to know how far outside the city you will be when your flight from Sydney to London arrives. London Heathrow is the busiest airport, whereas London City Airport is centrally located.
  • Passengers who wish to enjoy the flight from Sydney to London in style may be interested in China Eastern’s Business Class service on their trip to London. In addition to an increased baggage allowance, you can also enjoy built-in massage seats and premium entertainment as well as luxurious dedicated service and comfort.
  • Taking the kids with you on your flight from Sydney to London? If so, you should know that London Heathrow Airport has baby changing facilities in each of its terminals, both before and after security. You can also find several stay & play areas for older kids in the terminal 2A departure lounge and at the terminal 5A departure lounge.
  • Why not enjoy the comfort and hospitality of an airport lounge before your long flight? Air New Zealand, Qantas and Etihad all have their own lounges and there’s an American Express lounge for cardholders, while the Skyteam Lounge at Terminal 1 departures is open to all and offers massage chairs, showers and complimentary refreshments.
  • International passengers at Sydney Airport will find there is are two global exchange offices on level 1 and level 2 of the main terminal, so you can buy some British Pounds or other currencies before you board your flight. ANZ Bank also operates a small office on level 2 for other transactions and has ATMs at various points around the airport.

Top 5 airlines serving from Sydney to London

 
See real verified KAYAK customer reviews for airlines flying from Sydney to London. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Sydney to London? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.1
Singapore AirlinesOverall score based on 1294 reviews
8.0Entertainment
7.9Comfort
8.6Crew
8.2Boarding
7.7Food
Airline reviews

We were not given option for meals since they ran out of the other option but good thing the remaining options tasted great.

10.0 ExcellentBeverly, Apr 2025MNL - SIN
Read more Singapore Airlines reviews

We were not given option for meals since they ran out of the other option but good thing the remaining options tasted great.

Both the staff at check-in counter and on board were pleasant and helpful. My chicken and mashed potato was good, sauce was tasty, but the zucchini, carrot n other accompanying vegetables were over-cooked a little. (I understand the meal has to be prepared earlier). Yet I would fly on Singapore Airlines again and recommend it to family and friends.

Horrendous. We upgraded and they took the money but cancelled one of our tickets. The recline action didn’t work on the seats for the flight from Singapore to London, pre booked meals but they seemed to have disappeared as well.. Phone customer service was horrendous. Took 5 phone calls and no fix. Craig at the airport was the only one who seemed to be able to get the ticket back.

Construction at PDX resulting in very lung walk from the rental car to the gate. SFO, extremely long walk between terminals to get to connecting Singapore airlines flight. My smart watch recorded a total of 3 miles.

Loved the airline with the exception of their carry on limitations. They enforce a strict 7 kilo limit for carry on baggage which is ridiculous. We traveled from SFO to SIN with carry on with no difficulty yet when we checked in Delhi they forced us to check the carry on bags. The weight of our carry on bags were 11 and 12 kilos and while they exceeded the limitations set by Singapore Airlines they were well under weight limitations set by may other carriers. Interestingly my wife and I were each allowed two 22 KG bags to check in addition to the 7 kg carry on for a total weight of 102 KG's. Our total weight with the one bag we planned to check and our two carry ons was 46 kgs.

Food could have been better. Too many passengers getting up and down all the time.

Delayed 1hour due to storm still didn't get window seat for third flight despite paying £240 extra to book them

It was very good experience on board to Sydney with SQ.

Everything was great keep up the good work 😁, can't ask for more.

Flight from SFO did not include entertainment as it was not working the entire duration of the flight. Was informed that there would be a $350 voucher for the inconvenience. Uncertain how the voucher will be provided.

Premium Economy is not worth the extra money you pay. You are neither economy nor business. The seat doesn’t recline enough to relax your legs. Maneuvering while seated is cumbersome. Don’t recommend Premium Economy at all.

Food no so good. Extra charge to much for front seats cost me £163 then other people sat near me for nothing 🤬

Except for the uncleaned tray, and the delay in serving food for our section (which may have been due to the location of our row) everything else was good. The crew were very professional and responded to our requests promptly throughout the flight. We as a family were not disappointed by Emirates.

Thay crew was so nice.Air hostess il ham was so nice.my mom was little scray with airplan turbulence she help us alot.

Flight left on time. Bags came quickly. Crew was nice. But internet never worked and the food was awful.

Comfort and customer service from most if the crew was great. The crew reassigning passengers should consider the presence of infants when reassigning seats. Unfortunately a couple of oversized passengers were relocated next to us, making this segment a bit uncomfortable, as there was not only extra leg space required. I ended up swapping seats with my husband so our baby wouldn't be impacted. My husband travelled quite uncomfortable as the reassigned neighbour shoulder and arm ended up on my husband's seat

Loved that I had an exit row seat, and there was no one else in the row! And again, I don' use on-line entertainment at all (I read or sleep) but I very much appreciate that I didn't hear anyone else's entertainment!

The crew were friendly, dressed professionally and helpful when needed. The food was good to very good. The seats were comfortable and entertainment selections were excellent.   For that long of a flight Athens to Newark Economy is a little tight and the space became uncomfortable about mid-way. Next time I would try and get a Premium Economy seat. Especially for the return flight when one can be less enthused and tired. On the way to a vacation enthusiasm can outweigh discomfort.

Seats are not as easy to move as you would hope in premium econo Y

The staff were very friendly and helpful. The seats were very comfortable and spacious. The entertainment was amazing, and so was the food!

The food and service was great. You have to pay a lot for in flight Internet though which is lame.

Flight was delayed at the last minute for six hours. Instead of delaying it to a normal hour, they moved it to 10 pm to essentially make it a redeye. There was no compensation or benefit offered for this inconvenience. Once on the plane, Inpaid for WiFi twice with both times it not working because of a “weak WiFi signal”, according to the flight attendants. They also chose the farther possible gates in both airports from the entrance/exit, even though they were one of the few active flights left so late in the evening. Overall it was pretty horrible.

I had high expectations but met with a below average experience. I hope the Airline will take a notice and improve.

I've stomach problems after 2 hours of flight, Iris, the flight purser not only did her best to make me feel comfortable, she went above and beyond providing pain relievers medicines and ointment. She look and found a doctor passenger on the flight to provide advise. She even report on ground staffs about my condition and provide wheelchair upon arrival. Kudos to her and Cathay Pacific!

So so, crew was overly professional and lacks human touch. Equipment is very old, especially the HKG-PVG CX366 flight. That plane along with its decor must have twenty years of history, or at least I had that impression.

Crew was great. But a bit understaffed. The business class seat, etc were dated. But comfortable. Some legs had entertainment system from a decade ago. Selections were rather poor. Food was mediocre at best. Actually poor for business class standards. I liked the lounge in Hong Kong. Showers were great. Food was nice.

It was okay overall but the food was very, very bad.

flight delayed 45 mins - missed connection - 1 hr layover became 8 hr layover waiting for next flight -

Fast boarding flight on time boarded plane back to front instead of stupid zone groups like US airlines do...

Baggage delayed for 2 days and still chasing for reimbursement of basis items. Very horrible customer care service.

Super surprised with the entire experience. Business class is incredible. Flight attendants around the world could learn customer service from these people. Simply fabulous experience all the way around.

Pillow and blanket are dirty. My son got multiple bites during the flight

Flight was on time. My group paid for seat’s so that us four can be seated next to each other. We all got separated. We all got middle seats, which made it more difficult to be able to get up and stretch or use the restroom. We tried talking to the employees at China Eastern and they were of no help. We will not be taking this flight or recommend this route to others in the future. Also I will be contacting customer service on how I can get our money back for paying for assigned seats.

China eastern was fantastic. I had read so many bad reviews that had made me nervous. However, I found that the flight attendant’s, and customer service check in etc. etc. was excellent. I had no problems. I would fly with them again!

Excellent! I had read some negative reviews but I found out that it was not all was not true! The staff was courteous and helpful. The flight take off and landing was nice & easy. The food was good! I asked for a second and I got it easily and without an attitude! All was wonderful!

Excellent experience however older aeroplanes used by China Eastern Airlines.

The crew were excellent, service amazing, blankets and pillow good, cabin temperature perfect, the flight on time, food was unusual selection however plentiful, price for tickets unbeatable through Kayak. Older aeroplanes used by China Eastern was the only down side.

Delay in off-boarding due to customs at SFO... pilot announcement should have come earlier so passengers don't clog aisles.

Better good than most, if not all European airlines. If you’re stuck in an economy seat anyways, China Eastern is a good choice because of shorter flight time, being able to overfly Russia

The temperature of the plane cabin is too hot. Sweat and uncomfortable. Also my food tray was broken down drinks fall off

BA gave away one of the seats I paid for. Within the last minutes before boarding, my partner couldn't make the flight. I should have had a seat next to me that was empty.

My flights were great and the crew on them was lovely especially the London to Barcelona flight as Al & AJ were so amazingly nice. I wish they would be my crew always as they have the best customer service. Sadly both flights were delayed the first one from Vegas was because they clearly loaded the cargo wrong the plane was off balance making us 2 hours late. This made me miss my connection and sadly it was challenging rebooking while I was on the flight. I will never use Kayak again as there was no customer service number or live chat and you rebooked me on a flight 2 days later. I had my mom call BA to change it which she did after spending an hour on hold. This should not be so difficult. My second flight was an hour delayed due to not being able to disconnect the bridge from the plane but I did finally make it home.

The delay was not communicated via text and the person who helped with check in also didn’t inform me about the delay. I ended up missing my connection and it was a waste of 5 hours. The crew didn’t mention there would be someone at the gate informing of if I would be rebooked and there was no signage. Overall a very poor experience. The British Airways app was also very buggy, and didn’t work. I will avoid flying with British Airways when possible.

A little better than outward journey but mild chaos at the boarding gate because some people with boarding cards from connecting flights had cards which weren't recognised

With three empty seats across the aisle from me I politely asked the crew if I could sit in one of those seats. They initially told me I couldn't do it for my safety. When I pressed them again they blamed the captain. So which was it? I didn't appreciate either nonsense explanation simply because they didn't want to honor my request.

The cabinet was clean and comfortable. However the seating selection process was not confusing. In the end three of us were seated separately.

The BA business class cabin is excellent,very comfortable for sleeping but the service could be improved.

It was all great, a nice flight. I'm glad we didn't pay several hundred quid to sit together when we were able to sit together anyway is all I would say

Surly rude flight attendants. I ordered the chicken and was given a vegetarian meal with no explanation and no opportunity to change it. I tried to order another beverage and was told by the young humorless flight attendant to “wait”. And she never came back. The seats were very uncomfortable and cramped. The last time I flew British Airways was many years ago but I remember it was amazing and the crew were very charming. This was a terrible disappointment given the cost of the flight.

Nice flight, attentive crew, soft landing by the Pilot,, comfortable seat.

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