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Cheap flights from Sydney to London from $425

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to London departing on 2/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Sydney to London

Cheap round-trip flights

These are some of the best round-trip flight deals from Sydney to London that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Sydney to London.

Cheap last minute flights

Planning a quick getaway from Sydney to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Sydney to London

Find recent round-trip train or bus tickets from Sydney to London.

All round-trip flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
9:20 am - 5:20 pmSYD-LGW
43h 00m2 stops
8:20 pm - 8:20 pmLGW-SYD
37h 00m2 stops
$843China Southern
Find Deal
Mon, Feb 10 - Tue, Feb 25
9:00 pm - 5:55 pmSYD-LHR
31h 55m1 stop
10:00 pm - 8:20 pmLHR-SYD
35h 20m1 stop
$882China Southern
Find Deal
Mon, Feb 10 - Tue, Feb 25
10:20 pm - 8:10 pmSYD-LHR
32h 50m1 stop
11:00 am - 8:50 pmLHR-SYD
22h 50m1 stop
$1,012Cathay Pacific
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Wed, Jan 29 - Thu, Feb 27
2:05 pm - 3:15 pmSYD-LHR
34h 10m1 stop
12:20 pm - 8:10 pmLHR-SYD
22h 50m1 stop
$1,030Cathay Pacific
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Thu, May 1 - Thu, May 15
12:00 pm - 6:30 amSYD-LGW
29h 30m1 stop
10:30 am - 1:35 pmLGW-SYD
40h 05m1 stop
$1,097China Eastern
Find Deal
Mon, Feb 10 - Tue, Feb 25
11:00 am - 6:40 amSYD-LGW
28h 40m1 stop
11:35 am - 9:00 amLGW-SYD
36h 25m1 stop
$1,132China Eastern
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Thu, May 1 - Mon, May 19
11:00 am - 5:55 amSYD-LHR
27h 55m1 stop
10:05 pm - 11:50 amLHR-SYD
26h 45m1 stop
$1,183Singapore Airlines
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Tue, Apr 29 - Tue, Oct 28
4:20 pm - 5:40 amSYD-LHR
24h 20m1 stop
6:55 pm - 6:55 amLHR-SYD
25h 00m1 stop
$1,222British Airways
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Mon, Feb 10 - Tue, Feb 25
4:20 pm - 5:40 amSYD-LHR
24h 20m1 stop
6:55 pm - 6:55 amLHR-SYD
25h 00m1 stop
$1,226British Airways
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Sat, Feb 1 - Tue, Feb 25
11:00 am - 6:25 amSYD-LGW
28h 25m1 stop
9:20 am - 9:15 pmLGW-SYD
24h 55m1 stop
$1,253Singapore Airlines
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Mon, Apr 28 - Sun, Nov 2
8:40 pm - 3:55 pmSYD-LHR
30h 15m1 stop
$425Air China
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Thu, Feb 27
10:15 am - 2:00 pmSYD-LGW
38h 45m1 stop
$438China Eastern
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Sat, Jan 18
12:00 pm - 6:20 amSYD-LHR
29h 20m2 stops
$672Cathay Pacific
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Thu, Feb 27
10:00 am - 5:30 amSYD-LHR
30h 30m2 stops
$673Cathay Pacific
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Thu, Feb 27
3:40 pm - 6:30 amSYD-LHR
24h 50m1 stop
$875British Airways
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Mon, Mar 31
3:40 pm - 5:25 amSYD-LHR
23h 45mnonstop
$910British Airways
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Tue, Apr 1
10:25 am - 12:35 pmSYD-LGW
35h 10m2 stops
$1,049Emirates
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Sat, Apr 26
9:10 pm - 6:25 pmSYD-LGW
32h 15m1 stop
$1,072Emirates
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Sat, Dec 28
4:10 pm - 6:20 amSYD-LGW
25h 10m1 stop
$1,781Singapore Airlines
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Sun, Jan 26
4:10 pm - 6:20 amSYD-LGW
49h 10m1 stop
$1,823Singapore Airlines
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Fri, Jan 31
9:15 am - 6:25 amSYD-LHR
32h 10m1 stop
10:20 am - 6:50 amLHR-SYD
33h 30m2 stops
$1,864Japan Airlines
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Sun, Dec 22 - Sun, Jan 12
9:15 am - 6:25 amSYD-LHR
32h 10m1 stop
10:20 am - 6:50 amLHR-SYD
33h 30m2 stops
$1,932Japan Airlines
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Sun, Dec 22 - Sun, Jan 12
4:50 pm - 7:00 pmSYD-LHR
37h 10m1 stop
9:00 pm - 2:50 pmLHR-SYD
30h 50m1 stop
$1,951Tianjin Airlines
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Fri, Dec 20 - Wed, Jan 1
9:15 am - 6:25 amSYD-LHR
32h 10m1 stop
6:30 pm - 6:50 amLHR-SYD
25h 20m1 stop
$2,010Japan Airlines
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Sun, Dec 22 - Sun, Jan 12
1:30 pm - 6:30 amSYD-LGW
52h 00m2 stops
10:30 am - 11:00 amLGW-SYD
61h 30m2 stops
$2,110China Eastern
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Sun, Dec 22 - Tue, Jan 7
4:00 pm - 3:00 pmSYD-LHR
34h 00m2 stops
11:00 am - 8:50 pmLHR-SYD
22h 50m1 stop
$3,084Cathay Pacific
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Thu, Dec 19 - Wed, Jan 22
9:40 pm - 12:35 pmSYD-LGW
25h 55m1 stop
8:45 am - 6:50 pmLGW-SYD
23h 05m1 stop
$3,245British Airways
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Mon, Dec 23 - Sun, Jan 12
12:00 pm - 2:00 pmSYD-LGW
37h 00m1 stop
5:00 pm - 1:35 pmLGW-SYD
33h 35m1 stop
$6,041China Eastern
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Fri, Dec 20 - Sat, Jan 4
9:40 pm - 12:35 pmSYD-LGW
25h 55m1 stop
8:55 am - 6:50 pmLGW-SYD
22h 55m1 stop
$7,497British Airways
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Mon, Dec 23 - Sat, Jan 11
4:10 pm - 6:20 amSYD-LGW
49h 10m1 stop
9:20 am - 9:20 pmLGW-SYD
25h 00m1 stop
$9,721Singapore Airlines
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Fri, Dec 20 - Sat, Jan 4
3:55 pm - 6:15 amSYD-LHR
25h 20mnonstop
8:10 pm - 6:30 amLHR-SYD
23h 20mnonstop
$1,715Qantas Airways
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Mon, Feb 10 - Tue, Feb 25
3:10 pm - 6:35 amSYD-LHR
24h 25mnonstop
8:55 pm - 5:10 amLHR-SYD
23h 15mnonstop
$1,717Qantas Airways
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Thu, May 8 - Sun, May 18
3:10 pm - 6:35 amSYD-LHR
24h 25mnonstop
8:55 pm - 5:10 amLHR-SYD
23h 15mnonstop
$1,725Qantas Airways
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Thu, May 1 - Mon, May 19
3:55 pm - 6:15 amSYD-LHR
25h 20mnonstop
8:10 pm - 6:30 amLHR-SYD
23h 20mnonstop
$1,870Qantas Airways
Find Deal
Mon, Feb 10 - Fri, Feb 14
3:55 pm - 6:15 amSYD-LHR
25h 20mnonstop
8:10 pm - 6:30 amLHR-SYD
23h 20mnonstop
$1,885Qantas Airways
Find Deal
Mon, Feb 10 - Fri, Feb 14
3:55 pm - 6:15 amSYD-LHR
25h 20mnonstop
8:10 pm - 6:30 amLHR-SYD
23h 20mnonstop
$1,968Qantas Airways
Find Deal
Tue, Jan 14 - Tue, Jan 21
3:55 pm - 6:15 amSYD-LHR
25h 20mnonstop
8:10 pm - 6:30 amLHR-SYD
23h 20mnonstop
$2,031Qantas Airways
Find Deal
Wed, Jan 15 - Wed, Jan 22
4:20 pm - 5:25 amSYD-LHR
24h 05mnonstop
9:10 pm - 6:55 amLHR-SYD
22h 45mnonstop
$2,246British Airways
Find Deal
Thu, Jan 16 - Thu, Jan 23
3:10 pm - 6:35 amSYD-LHR
24h 25mnonstop
8:55 pm - 5:10 amLHR-SYD
23h 15mnonstop
$2,288Qantas Airways
Find Deal
Mon, Jun 9 - Thu, Jul 17
4:20 pm - 5:25 amSYD-LHR
24h 05mnonstop
9:10 pm - 6:55 amLHR-SYD
22h 45mnonstop
$3,478British Airways
Find Deal
Wed, Jan 1 - Sat, Jan 25

Air China flights from Sydney to London

Our best Air China deals on Sydney to London flight tickets
Air China
May 8
SYD7:40 pmSydney Kingsford Smith
31h 05m
1 stop
LHR5:45 pmLondon Heathrow
May 18
LHR10:40 pmLondon Heathrow
31h 10m
1 stop
SYD2:50 pmSydney Kingsford Smith
Air China
Feb 10
SYD8:40 pmSydney Kingsford Smith
32h 10m
1 stop
LHR5:50 pmLondon Heathrow
Feb 25
LHR5:40 pmLondon Heathrow
34h 50m
1 stop
SYD3:30 pmSydney Kingsford Smith
Air China
Jan 31
SYD8:40 pmSydney Kingsford Smith
34h 00m
2 stops
LHR7:40 pmLondon Heathrow
Feb 23
LHR5:40 pmLondon Heathrow
34h 50m
1 stop
SYD3:30 pmSydney Kingsford Smith

China Airlines flights from Sydney to London

Our best China Airlines deals on Sydney to London flight tickets
China Airlines
Apr 28
SYD10:10 pmSydney Kingsford Smith
27h 20m
1 stop
LHR4:30 pmLondon Heathrow
Oct 31
LHR9:15 pmLondon Heathrow
27h 55m
1 stop
SYD12:10 pmSydney Kingsford Smith
China Airlines
Apr 28
SYD10:10 pmSydney Kingsford Smith
27h 20m
1 stop
LHR4:30 pmLondon Heathrow
May 5
LHR9:10 pmLondon Heathrow
28h 35m
1 stop
SYD10:45 amSydney Kingsford Smith
China Airlines
Apr 28
SYD10:10 pmSydney Kingsford Smith
27h 20m
1 stop
LHR4:30 pmLondon Heathrow
May 5
LHR9:10 pmLondon Heathrow
28h 35m
1 stop
SYD10:45 amSydney Kingsford Smith

See travel insights to London from

How to get the cheapest flight ticket from Sydney to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London?

The cheapest month to fly to London from Sydney is in March. Flight prices, which tend to average around $1,032, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Sydney averaging around $1,043.

What is the cheapest day to depart on your flight to London?

The cheapest day to depart from Sydney to London is on a Thursday. Travelers who choose to depart for London on a Thursday will often find tickets for as low as $1,315. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,432. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest time of day to depart on your flight to London?

Flying to London from Sydney in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,266 when looking at flights departing in the evening. Flights to London are more costly in the afternoon, with an average ticket price of $1,507. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Sydney Kingsford Smith to London flight route?

Fly from Sydney Kingsford Smith to London Heathrow for the best Sydney Kingsford Smith - London flight prices

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

Most flyers found that booking tickets 4 days in advance of their planned departure date is the best time to get cheap flights to London. During this timeframe, flight prices are around $1,293. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $1,079.

What cabin class options are available on Sydney Kingsford Smith to London flights?

There are 1 cabin classes available to choose from on Sydney Kingsford Smith to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Sydney to London flights?

You could potentially save up to 53% on your flight if you consider stops on a Sydney to London flight.

How have Sydney to London flight prices changed over time?

As of December 2024, prices for Sydney to London flights are approximately 23% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to London

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sydney to London (SYD to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sydney to London

Best Price Found

$425

Fastest flight time

23h 25m

Direct flights

Tue, Wed, Thu, Fri and Sat

Airports in London

2 airports
The best one-way flight to London from Sydney in the past 72 hours is $425. The best round-trip flight deal from Sydney to London found on momondo in the last 72 hours is $843.
The fastest flight from Sydney to London takes 23h 25m
Direct flights go from Sydney to London on Tuesday, Wednesday, Thursday, Friday and Saturday. Airlines offering direct flights are: Qantas Airways and British Airways.
There are 2 airports near London: London Heathrow (LHR), London Gatwick (LGW)

  • How far is Sydney Kingsford Smith to London by plane?

    The distance between Sydney Kingsford Smith and London is about 10552.8 mi. 23h 25m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to London?

    Prices for flights from Sydney Kingsford Smith Airport to London are refreshed on a daily basis.

  • How many operators does momondo search for flights from Sydney Kingsford Smith Airport to London?

  • How old do you have to be to fly from Sydney Kingsford Smith Airport to London?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sydney Kingsford Smith Airport to London.

  • What documentation or ID do you need to fly to London?

    The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Sydney to London?

  • What is the most popular airline from Sydney to London?


Best airlines flying from Sydney to London

Compare and see reviews for airlines that fly from Sydney to London with momondo
Airline
Rating
Free Cancellation
Price
Air ChinaPriceFrom $400Free CancellationRating
7.0
122 reviews
Search Air China flights
China EasternPriceFrom $842Free CancellationRating
7.0
159 reviews
Search China Eastern flights
British AirwaysPriceFrom $942Free CancellationRating
6.6
6,820 reviews
Search British Airways flights
Etihad AirwaysPriceFrom $986Free CancellationRating
7.3
1,206 reviews
Search Etihad Airways flights
China AirlinesPriceFrom $1,019Free CancellationRating
8.2
754 reviews
Search China Airlines flights
Singapore AirlinesPriceFrom $1,048Free CancellationRating
8.1
1,329 reviews
Search Singapore Airlines flights
Cathay PacificPriceFrom $1,131Free CancellationRating
7.6
841 reviews
Search Cathay Pacific flights
EmiratesPriceFrom $1,140Free CancellationRating
8.1
3,412 reviews
Search Emirates flights
Qantas AirwaysPriceFrom $1,229Free CancellationRating
7.5
809 reviews
Search Qantas Airways flights
Qatar AirwaysPriceFrom $1,315Free CancellationRating
7.5
3,798 reviews
Search Qatar Airways flights
  • Qantas Airways Flights From Sydney to London

    Qantas Airways flies from Sydney to London around 7 times per week, with 808 momondo users rating the airline 7.5/10. The cheapest Qantas Airways deal from Sydney to London in the last 72 hours was $1,229 (round-trip), much lower than the average airfare cost of $1,695 for Qantas Airways flights on this route.

  • British Airways Flights From Sydney to London

    The best British Airways deal for Sydney to London flight tickets found on momondo in the last 72 hours was $942, round-trip. It should be noted that an average British Airways flight deal for this route in this time was higher, at $1,455 round-trip. British Airways operates 7 flights out of Sydney into London in an average week, so prices vary by time and availability. 6,820 British Airways reviews by users on momondo have scored the airline at 6.6/10.


Why use momondo?

Why should I use momondo to find a flight deal from Sydney to London?

It is quick and easy to find Sydney to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Sydney to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Sydney to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Sydney to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Sydney to London.

I’m not ready to book a flight from Sydney to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from Sydney are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London