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$776+ Cheap flights to London

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
— LON
23 Jul — 30 Jul1
1 adult

Flights to London in 2025

Find the latest flights to London in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 18 July 2025.

Return from

$1,527

One-way from

$776

Popular in

December

Cheapest in

October

Average price

$1,988

Good round-trip deal

$2,082 or less

Good one-way deal

$1,555 or less
China Eastern
  • China Eastern
  • 6/8-10/8
  • 4 total stops
  • 80h 50m total
  • Sydney to London
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1/8
  • 1/8
  • 3 total stops
  • 36h 30m total
  • Sydney to London
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Highest demand for flights based on searches. 12% potential increase in price ($421 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($102 potential savings vs. average return price).
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Average for return flights in July 2025
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Price to beat on a round-trip flight from Sydney Kingsford Smith to London.
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Price to beat on a one-way flight from Sydney Kingsford Smith to London.
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Find flight deals to London

Cheapest flights to London
Explore the most affordable flight options available to London. Find the lowest fares based on data from user searches, with prices last updated on 18 July 2025.

Wed 6/820:30SYD - LHR
1 stop31h 10mChina Eastern
Sun 10/821:20LHR - SYD
3 stops49h 40mChina Eastern
Deal found 16/7$1,527
Thu 14/810:15SYD - LGW
1 stop29h 55mChina Southern
Thu 4/912:00LGW - SYD
1 stop22h 25mChina Southern
Deal found 18/7$1,527
Mon 27/1022:00SYD - LHR
1 stop31h 15mChina Southern
Thu 27/1122:00LHR - SYD
1 stop24h 25mChina Southern
Deal found 17/7$1,529
Tue 22/719:40SYD - LGW
1 stop43h 55mAir China
Sun 10/821:10LGW - SYD
1 stop32h 40mAir China
Deal found 18/7$1,529
Thu 24/720:30SYD - LGW
1 stop27h 40mChina Eastern
Wed 13/811:35LGW - SYD
1 stop36h 25mChina Eastern
Deal found 18/7$1,530
Mon 13/1013:50SYD - STN
3 stops41h 50mMultiple Airlines
Sat 25/1010:20STN - SYD
3 stops38h 25mMultiple Airlines
Deal found 18/7$1,530
Thu 24/719:40SYD - LHR
1 stop31h 05mAir China
Thu 7/820:25LHR - SYD
1 stop33h 25mAir China
Deal found 17/7$1,533
Mon 24/1121:30SYD - LHR
1 stop25h 35mEtihad Airways
Sat 6/1219:20LHR - SYD
1 stop23h 50mEtihad Airways
Deal found 16/7$1,539
Tue 12/806:00SYD - LGW
2 stops33h 40mMultiple Airlines
Sun 17/819:00LGW - SYD
1 stop29h 00mMultiple Airlines
Deal found 15/7$1,543
Tue 5/808:15SYD - LHR
2 stops43h 25mMultiple Airlines
Thu 21/821:20LHR - SYD
1 stop26h 40mMultiple Airlines
Deal found 16/7$1,544
Sat 1/1121:45SYD - LGW
2 stops46h 25mTurkish Airlines
Sat 29/1106:25LGW - SYD
2 stops26h 25mTurkish Airlines
Deal found 17/7$1,563
Wed 17/910:15SYD - LHR
1 stop39h 40mVietnam Airlines
Tue 23/919:50LHR - SYD
1 stop27h 25mVietnam Airlines
Deal found 18/7$1,576

Cheapflights Fare Finder

Locate flights to London that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 18 July 2025.
Use the filters below to find and compare flights to London that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 6/8

20:30-18:40

1 stop31h 10m

London Heathrow

Sun 10/8

21:20-08:00

3 stops49h 40m

$1,527

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 14/8

10:15-07:10

1 stop29h 55m

London Gatwick

Thu 4/9

12:00-19:25

1 stop22h 25m

$1,527

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 27/10

22:00-18:15

1 stop31h 15m

London Heathrow

Thu 27/11

22:00-09:25

1 stop24h 25m

$1,529

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Sat 16/8

11:20-16:00

2 stops37h 40m

London Gatwick

Sat 23/8

11:35-09:00

1 stop36h 25m

$1,529

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Mon 13/10

13:50-21:40

3 stops41h 50m

London Stansted

Sat 25/10

10:20-10:45

3 stops38h 25m

$1,530

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 17/11

21:30-06:45

1 stop44h 15m

London Heathrow

Mon 8/12

09:00-18:35

1 stop22h 35m

$1,533

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 11/8

19:45-06:35

1 stop43h 50m

London Gatwick

Fri 12/9

12:35-14:50

1 stop41h 15m

$1,536

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 4/10

19:40-20:30

1 stop33h 50m

London Heathrow

Tue 4/11

20:25-15:30

1 stop32h 05m

$1,538

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Tue 12/8

06:00-06:40

2 stops33h 40m

London Gatwick

Sun 17/8

19:00-09:00

1 stop29h 00m

$1,543

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 5/8

08:15-18:40

2 stops43h 25m

London Heathrow

Thu 21/8

21:20-09:00

1 stop26h 40m

$1,544

Flights are sorted by cheapest return flights first.

Deals found on 17/7

Showing 1-10 of 26 results
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Best time to book a flight to London

Have a flexible travel schedule? Discover the best time to fly to London with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to London

When is the best time to book a flight to London?

Use this chart to determine the optimal time to book a return flight from Sydney to London. Price data was last updated on 11 July 2025.

The price you pay for your flight to London may vary depending on when you book. For the best chance of a lower fare, look to book 51 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

How long is the flight to London?

On average, a flight from Sydney to London takes 26 hours 38 minutes. Flights to London from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to London?

Use this chart to determine the cheapest time to fly return from Sydney to London. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to London should consider flying on Saturday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Wednesday at midday, when prices are usually at their highest.

Weekly flight availability to London

The most flights from Sydney to London are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

What are the most popular airlines that fly to London?

The most popular airlines flying from Sydney to London are Singapore Airlines, Qantas Airways and Etihad Airways.

Singapore Airlines
Singapore Airlines
From $904
Qantas Airways
Qantas Airways
From $1,092
Emirates
Emirates
From $1,045
Qatar Airways
Qatar Airways
From $918

What are the cheapest airlines that fly to London?

The cheapest airlines flying from Sydney to London are Virgin Australia, China Southern and Air China.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 18 July 2025.
Get a feel of what it's like to fly with China Southern, Vietnam Airlines, andSWISS to the United Kingdom by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Southern
7.6
Good
104 reviews
Check prices

Boarding

8.0

Crew

8.3

Food

7.4

Overall

7.6

Comfort

7.9

Entertainment

7.6

Reviews

1 / 3
10.0
Excellent

Puey cheng,Apr 2025

SIN - CAN

Seats are clean and comfortable. Most important, the leg room is wider than many other airlines
China Southern
7.6
Good
104 reviews
China Southern
7.6
Good
104 reviews
Check prices

Boarding

8.0

Crew

8.3

Food

7.4

Overall

7.6

Comfort

7.9

Entertainment

7.6

Reviews

1 / 3
10.0
Excellent

Puey cheng,Apr 2025

SIN - CAN

Seats are clean and comfortable. Most important, the leg room is wider than many other airlines
Vietnam Airlines
7.5
Good
195 reviews
China Southern
7.6
Good
104 reviews
Check prices

Boarding

8.0

Crew

8.3

Food

7.4

Overall

7.6

Comfort

7.9

Entertainment

7.6

Reviews

1 / 3
10.0
Excellent

Puey cheng,Apr 2025

SIN - CAN

Seats are clean and comfortable. Most important, the leg room is wider than many other airlines
SWISS
7.5
Good
1,661 reviews
China Southern
7.6
Good
104 reviews
Check prices

Boarding

8.0

Crew

8.3

Food

7.4

Overall

7.6

Comfort

7.9

Entertainment

7.6

Reviews

1 / 3
10.0
Excellent

Puey cheng,Apr 2025

SIN - CAN

Seats are clean and comfortable. Most important, the leg room is wider than many other airlines
Etihad Airways
7.4
Good
1,223 reviews
China Southern
7.6
Good
104 reviews
Check prices

Boarding

8.0

Crew

8.3

Food

7.4

Overall

7.6

Comfort

7.9

Entertainment

7.6

Reviews

1 / 3
10.0
Excellent

Puey cheng,Apr 2025

SIN - CAN

Seats are clean and comfortable. Most important, the leg room is wider than many other airlines
Turkish Airlines
7.3
Good
3,906 reviews
China Southern
7.6
Good
104 reviews
Check prices

Boarding

8.0

Crew

8.3

Food

7.4

Overall

7.6

Comfort

7.9

Entertainment

7.6

Reviews

1 / 3
10.0
Excellent

Puey cheng,Apr 2025

SIN - CAN

Seats are clean and comfortable. Most important, the leg room is wider than many other airlines

FAQs about flying to London

Getting around London

How to find your way around London

Finding an address in London is no small task. There’s no pattern to the street names; house numbers, when they exist, run in odds and evens, clockwise and counter clockwise. You may also want to download or buy a detailed street map with an index either before or after your flight to London

  • Can I find cheaper flights to London if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to London on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to London?

    Based on reviews from Cheapflights users, Hainan Airlines is rated the highest out of the airlines that fly to London.

  • What is the cheapest airport to fly to in London?

    London Gatwick is currently the cheapest airport to fly to in London. One-way flights to London Gatwick typically cost $30, while return flights cost around $38.

  • How much is a return flight to London?

    A return flight to London will typically cost around $124, however they can be found for as little as $66.

  • Where does the fastest flight to London depart from?

    For those looking to save time traveling to London, Perth offers the quickest one-way flight (17 hours 30 minutes).

  • Does London Heathrow have car hire?

    Yes. Those touching down at London Heathrow can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to London Heathrow?

    Yes. London Heathrow has hotels nearby for those requiring accommodations. Aerotel London Heathrow is the closest property to London Heathrow (0.0 km away from London Heathrow).

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Southall
Chatham
Dover
Dorking
Canterbury
Chertsey

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