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$767+ 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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
— LON
7 Jul — 14 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 2 July 2025.

Return from

$1,501

One-way from

$774

Popular in

December

Cheapest in

October

Average price

$1,958

Good round-trip deal

$2,134 or less

Good one-way deal

$1,467 or less
Air China
  • Air China
  • 22/7-7/8
  • 2 total stops
  • 65h 00m total
  • Sydney to London
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Air China
  • Air China
  • 14/7
  • 1 total stop
  • 33h 45m total
  • Sydney to London
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Highest demand for flights based on searches. 12% potential increase in price ($405 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($99 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 2 July 2025.

Sun 20/711:00SYD - LHR
1 stop40h 40mChina Eastern
Sun 10/821:20LHR - SYD
1 stop26h 40mChina Eastern
Deal found 30/6$1,497
Thu 17/719:40SYD - LHR
1 stop33h 50mAir China
Fri 1/820:25LHR - SYD
1 stop33h 25mAir China
Deal found 30/6$1,498
Mon 28/719:45SYD - LGW
1 stop43h 50mAir China
Mon 4/820:45LGW - SYD
1 stop33h 10mAir China
Deal found 30/6$1,500
Sun 17/812:00SYD - LGW
2 stops36h 10mChina Eastern
Tue 9/911:35LGW - SYD
3 stops35h 05mChina Eastern
Deal found 1/7$1,501
Fri 10/1021:55SYD - LHR
2 stops45h 55mTurkish Airlines
Mon 24/1117:45LHR - SYD
2 stops39h 05mTurkish Airlines
Deal found 30/6$1,503
Sun 14/920:55SYD - LGW
2 stops48h 55mTurkish Airlines
Sun 16/1110:05LGW - SYD
2 stops46h 45mTurkish Airlines
Deal found 2/7$1,506
Tue 29/721:30SYD - LHR
1 stop30h 15mEtihad Airways
Sun 17/820:55LHR - SYD
1 stop24h 15mEtihad Airways
Deal found 30/6$1,508
Thu 14/819:40SYD - LGW
1 stop31h 55mMultiple Airlines
Mon 1/918:05LGW - SYD
1 stop33h 30mMultiple Airlines
Deal found 30/6$1,526
Thu 13/1121:40SYD - LGW
1 stop25h 55mQatar Airways
Sun 15/214:05LGW - SYD
1 stop29h 45mQatar Airways
Deal found 1/7$1,565
Wed 10/912:50SYD - STN
2 stops34h 15mMultiple Airlines
Sat 27/906:00STN - SYD
3 stops42h 45mMultiple Airlines
Deal found 30/6$1,606
Sat 12/713:10SYD - LTN
2 stops35h 55mMultiple Airlines
Tue 12/807:10LTN - SYD
2 stops51h 20mMultiple Airlines
Deal found 30/6$1,646
Tue 21/1016:00SYD - LCY
2 stops26h 50mSWISS
Tue 11/1119:10LCY - SYD
2 stops35h 45mSWISS
Deal found 30/6$1,728

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 2 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

Sun 20/7

11:00-18:40

1 stop40h 40m

London Heathrow

Sun 10/8

21:20-09:00

1 stop26h 40m

$1,497

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 17/7

19:40-20:30

1 stop33h 50m

London Heathrow

Fri 1/8

20:25-14:50

1 stop33h 25m

$1,498

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 28/7

19:45-06:35

1 stop43h 50m

London Gatwick

Mon 4/8

20:45-14:55

1 stop33h 10m

$1,500

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Sun 17/8

12:00-15:10

2 stops36h 10m

London Gatwick

Tue 9/9

11:35-07:40

3 stops35h 05m

$1,501

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 10/10

21:55-09:50

2 stops45h 55m

London Heathrow

Mon 24/11

17:45-19:50

2 stops39h 05m

$1,503

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Tue 16/9

20:55-22:20

2 stops34h 25m

London Gatwick

Wed 15/10

05:20-20:00

2 stops28h 40m

$1,504

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 29/7

21:30-18:45

1 stop30h 15m

London Heathrow

Sun 17/8

20:55-06:10

1 stop24h 15m

$1,508

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 14/8

19:40-18:35

1 stop31h 55m

London Gatwick

Mon 1/9

18:05-12:35

1 stop33h 30m

$1,526

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 13/11

21:40-12:35

1 stop25h 55m

London Gatwick

Sun 15/2

14:05-06:50

1 stop29h 45m

$1,565

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Wed 10/9

12:50-14:05

2 stops34h 15m

London Stansted

Sat 27/9

06:00-09:45

3 stops42h 45m

$1,606

Flights are sorted by cheapest return flights first.

Deals found on 29/6

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 27 June 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 16 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 Cathay Pacific.

Singapore Airlines
Singapore Airlines
From $904
Qantas Airways
Qantas Airways
From $1,091
Emirates
Emirates
From $1,039
Qatar Airways
Qatar Airways
From $915

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 2 July 2025.
Get a feel of what it's like to fly with Hainan Airlines, Emirates, andChina Southern 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.
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Food

8.6

Boarding

8.6

Overall

8.2

Crew

8.9

Entertainment

7.6

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Hainan Airlines
8.2
Very Good
41 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Food

8.6

Boarding

8.6

Overall

8.2

Crew

8.9

Entertainment

7.6

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Emirates
8.1
Very Good
3,285 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Food

8.6

Boarding

8.6

Overall

8.2

Crew

8.9

Entertainment

7.6

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
China Southern
7.6
Good
100 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Food

8.6

Boarding

8.6

Overall

8.2

Crew

8.9

Entertainment

7.6

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
SWISS
7.5
Good
1,654 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Food

8.6

Boarding

8.6

Overall

8.2

Crew

8.9

Entertainment

7.6

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Etihad Airways
7.4
Good
1,224 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Food

8.6

Boarding

8.6

Overall

8.2

Crew

8.9

Entertainment

7.6

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

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 Stansted is currently the cheapest airport to fly to in London. One-way flights to London Stansted typically cost $29, while return flights cost around $37.

  • How much is a return flight to London?

    A return flight to London will typically cost around $807, however they can be found for as little as $73.

  • 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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