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$663+ 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 21/1. Fares are subject to change and may not be available on all flights or dates of travel.
— LON
3 Jan — 10 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to London in 2025

Enter your travel dates to find the best prices.

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 4 December 2025.

Tue 2/1217:45SYD - LHR
3 stops60h 35mMultiple Airlines
Sat 6/1220:25LHR - SYD
1 stop32h 05mMultiple Airlines
Deal found 1/12$1,708
Tue 2/1208:45SYD - LHR
1 stop31h 40mCathay Pacific
Sat 6/1217:50LHR - SYD
1 stop26h 25mCathay Pacific
Deal found 1/12$1,746
Sat 27/1212:00SYD - LGW
1 stop37h 00mChina Eastern
Sat 10/110:30LGW - SYD
3 stops37h 30mChina Eastern
Deal found 1/12$1,782
Sun 7/1221:00SYD - LHR
2 stops31h 55mHainan Airlines
Wed 10/1219:45LHR - SYD
1 stop32h 35mHainan Airlines
Deal found 2/12$1,820
Thu 11/1221:00SYD - LHR
2 stops31h 35mHainan Airlines
Sun 21/1221:15LHR - SYD
1 stop30h 40mHainan Airlines
Deal found 1/12$1,821
Sun 14/1221:00SYD - LHR
2 stops31h 55mHainan Airlines
Wed 24/1219:45LHR - SYD
1 stop32h 35mHainan Airlines
Deal found 2/12$1,831
Wed 3/1208:45SYD - LHR
1 stop31h 40mCathay Pacific
Sun 7/1211:00LHR - SYD
1 stop22h 50mCathay Pacific
Deal found 2/12$1,882
Sat 27/1212:00SYD - LGW
1 stop37h 00mChina Eastern
Sun 11/110:30LGW - SYD
1 stop40h 05mChina Eastern
Deal found 3/12$1,882
Sun 14/1221:00SYD - LHR
2 stops31h 55mHainan Airlines
Mon 29/1221:00LHR - SYD
2 stops31h 20mHainan Airlines
Deal found 3/12$1,885
Sun 7/1217:20SYD - LHR
1 stop36h 50mSriLankan Airlines
Sun 14/1220:40LHR - SYD
1 stop32h 10mSriLankan Airlines
Deal found 2/12$1,888
Tue 2/1215:50SYD - LGW
1 stop25h 05mQatar Airways
Tue 9/1214:05LGW - SYD
1 stop29h 45mQatar Airways
Deal found 1/12$1,891
Thu 4/1211:20SYD - LHR
1 stop36h 00mAmerican Airlines
Tue 20/116:55LHR - SYD
1 stop29h 05mAmerican Airlines
Deal found 3/12$1,896

Find flight deals to London

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 4 December 2025.

Return from

$1,548

One-way from

$663

Popular in

December

Cheapest in

February

Average price

$2,586

Good round-trip deal

$1,996 or less

Good one-way deal

$1,425 or less
18/2-4/3
  • 18/2-4/3
  • 3 total stops
  • 87h 15m total
  • Sydney to London
Search Deals
21/1
  • 21/1
  • 3 total stops
  • 34h 45m total
  • Sydney to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($271 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($65 potential savings vs. average return price).
Search Deals
Average for return flights in December 2025
Search Deals
Price to beat on a round-trip flight from Sydney Kingsford Smith to London.
Search Deals
Price to beat on a one-way flight from Sydney Kingsford Smith to London.
Search Deals

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 4 December 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 - LGW

SYDLGW

Sydney Kingsford Smith

Thu 19/2

14:25-09:20

2 stops29h 55m

London Gatwick

Thu 12/3

17:05-19:20

2 stops39h 15m

$1,592

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Mon 26/1

20:05-16:20

2 stops31h 15m

London Luton

Sun 8/2

08:05-22:30

2 stops27h 25m

$1,621

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 27/2

21:15-14:10

2 stops27h 55m

London Heathrow

Thu 12/3

06:35-19:20

2 stops25h 45m

$1,635

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Sun 1/2

15:50-12:00

2 stops31h 10m

London Luton

Thu 5/2

17:00-06:50

2 stops26h 50m

$1,650

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 22/1

20:05-12:25

2 stops27h 20m

London Gatwick

Wed 25/2

16:55-09:15

3 stops29h 20m

$1,729

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Wed 11/3

07:15-18:40

3 stops46h 25m

London Luton

Wed 18/3

14:40-13:35

3 stops35h 55m

$1,730

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 30/5

09:30-18:50

1 stop42h 20m

London Heathrow

Tue 4/8

20:40-07:30

1 stop25h 50m

$1,738

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Sun 18/1

15:50-05:55

1 stop25h 05m

London Gatwick

Wed 27/5

14:55-06:15

1 stop30h 20m

$1,746

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 12/2

16:10-06:25

1 stop25h 15m

London Gatwick

Wed 18/2

09:20-11:50

1 stop39h 30m

$1,776

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Fri 23/1

15:50-05:55

1 stop25h 05m

London Gatwick

Sun 24/5

14:55-06:15

1 stop30h 20m

$1,791

Flights are sorted by cheapest return flights first.

Deals found on 2/12

Showing 1-10 of 60 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 28 November 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 53 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 25 hours 10 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 Qantas Airways, Etihad Airways and Singapore Airlines.

Singapore Airlines
Singapore Airlines
From $1,370
Qantas Airways
Qantas Airways
From $1,530
Qatar Airways
Qatar Airways
From $1,334
Emirates
Emirates
From $1,541

What are the cheapest airlines that fly to London?

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

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 4 December 2025.
Get a feel of what it's like to fly with Emirates, Singapore Airlines, andQantas Airways 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.
Emirates
8.1
Very Good
3,432 reviews
Check prices

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Food

7.9

Crew

8.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

DXB - MAN

A380 is best airplane in the world for long haul flights. And Emirates one of the top airlines.
Emirates
8.1
Very Good
3,432 reviews
Emirates
8.1
Very Good
3,432 reviews
Check prices

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Food

7.9

Crew

8.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

DXB - MAN

A380 is best airplane in the world for long haul flights. And Emirates one of the top airlines.
Singapore Airlines
8.1
Very Good
1,411 reviews
Emirates
8.1
Very Good
3,432 reviews
Check prices

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Food

7.9

Crew

8.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

DXB - MAN

A380 is best airplane in the world for long haul flights. And Emirates one of the top airlines.
Qantas Airways
7.5
Good
947 reviews
Emirates
8.1
Very Good
3,432 reviews
Check prices

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Food

7.9

Crew

8.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

DXB - MAN

A380 is best airplane in the world for long haul flights. And Emirates one of the top airlines.
Etihad Airways
7.4
Good
1,326 reviews
Emirates
8.1
Very Good
3,432 reviews
Check prices

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Food

7.9

Crew

8.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

DXB - MAN

A380 is best airplane in the world for long haul flights. And Emirates one of the top airlines.
China Eastern
7.2
Good
178 reviews
Emirates
8.1
Very Good
3,432 reviews
Check prices

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Food

7.9

Crew

8.3

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

DXB - MAN

A380 is best airplane in the world for long haul flights. And Emirates one of the top 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, Beijing Capital 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 $19, while return flights cost around $85.

  • How much is a return flight to London?

    A return flight to London will typically cost around $377, however they can be found for as little as $194.

  • 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).

  • Which airport is closest to Natural History Museum?

    f being close to Natural History Museum is important to you, you’ll want to land at London Heathrow Airport.

  • 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 Airport Terminal 2-3 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
Kingston upon Thames
Hounslow
Horsham
Southall
Chatham
Dorking
Dover
Braintree
Gatwick
Chertsey

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