$652+ 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 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
— LON
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals to London

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 21 November 2025.

Wed 26/1121:50SYD - LHR
3 stops32h 05mMultiple Airlines
Sun 30/1120:25LHR - SYD
1 stop32h 05mMultiple Airlines
Deal found 19/11$1,531
Sat 22/1114:30SYD - LGW
2 stops43h 05mMultiple Airlines
Fri 5/1210:30LGW - SYD
1 stop40h 05mMultiple Airlines
Deal found 19/11$1,587
Sun 23/1107:15SYD - LHR
2 stops45h 15mMultiple Airlines
Sun 7/1217:40LHR - SYD
1 stop34h 50mMultiple Airlines
Deal found 19/11$1,592
Tue 25/1121:15SYD - LHR
2 stops28h 40mMultiple Airlines
Tue 2/1217:45LHR - SYD
2 stops26h 00mMultiple Airlines
Deal found 19/11$1,596
Thu 20/1115:15SYD - LHR
1 stop25h 10mCathay Pacific
Mon 24/1120:15LHR - SYD
1 stop28h 45mCathay Pacific
Deal found 19/11$1,621
Sun 23/1113:30SYD - LHR
2 stops39h 00mChina Eastern
Sun 30/1121:00LHR - SYD
1 stop26h 00mChina Eastern
Deal found 18/11$1,635
Fri 21/1111:20SYD - LHR
2 stops32h 10mMultiple Airlines
Tue 25/1121:00LHR - SYD
1 stop26h 00mMultiple Airlines
Deal found 20/11$1,636
Thu 27/1120:05SYD - STN
2 stops30h 55mMultiple Airlines
Thu 4/1223:20STN - SYD
3 stops32h 30mMultiple Airlines
Deal found 20/11$1,641
Mon 24/1121:50SYD - LHR
2 stops56h 20mMultiple Airlines
Mon 8/1220:25LHR - SYD
1 stop32h 05mMultiple Airlines
Deal found 19/11$1,646
Tue 25/1121:15SYD - LGW
2 stops29h 55mMultiple Airlines
Tue 9/1217:05LGW - SYD
2 stops26h 45mMultiple Airlines
Deal found 20/11$1,646
Wed 26/1115:50SYD - LHR
1 stop25h 05mMultiple Airlines
Wed 3/1219:45LHR - SYD
1 stop32h 35mMultiple Airlines
Deal found 20/11$1,647
Thu 20/1111:20SYD - LHR
1 stop35h 30mAir Canada
Tue 25/1115:00LHR - SYD
2 stops31h 35mAir Canada
Deal found 19/11$1,664

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 21 November 2025.

Return from

$1,491

One-way from

$661

Popular in

December

Cheapest in

February

Average price

$1,706

Good round-trip deal

$1,989 or less

Good one-way deal

$1,455 or less
China Eastern
  • China Eastern
  • 19/1-9/2
  • 2 total stops
  • 54h 00m total
  • Sydney to London
9/2
  • 9/2
  • 3 total stops
  • 38h 15m total
  • Sydney to London
Highest demand for flights based on searches. 12% potential increase in price ($270 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($65 potential savings vs. average return price).
Average for return flights in November 2025
Price to beat on a round-trip flight from Sydney Kingsford Smith to London.
Price to beat on a one-way flight from Sydney Kingsford Smith to London.

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 21 November 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

Fri 27/3

21:15-16:10

2 stops29h 55m

London Gatwick

Wed 8/4

07:00-19:15

2 stops27h 15m

$1,579

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Fri 27/2

21:15-22:35

2 stops36h 20m

London Gatwick

Thu 19/3

06:25-19:20

2 stops25h 55m

$1,644

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Wed 25/2

21:15-22:35

2 stops36h 20m

London Gatwick

Sun 22/3

06:20-19:20

2 stops26h 00m

$1,644

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 26/2

12:00-09:20

2 stops32h 20m

London Gatwick

Sat 21/3

06:15-19:20

2 stops26h 05m

$1,672

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 25/2

21:15-14:55

2 stops28h 40m

London Heathrow

Tue 17/3

06:35-19:20

2 stops25h 45m

$1,706

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 25/2

21:15-14:10

2 stops27h 55m

London Heathrow

Sun 22/3

06:35-19:20

2 stops25h 45m

$1,706

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Wed 25/2

15:50-05:55

1 stop25h 05m

London Gatwick

Mon 16/3

09:00-06:50

1 stop34h 50m

$1,740

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 23/2

15:50-12:35

1 stop31h 45m

London Gatwick

Mon 16/3

09:00-06:50

1 stop34h 50m

$1,783

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 7/5

14:50-08:20

2 stops26h 30m

London Heathrow

Mon 18/5

19:30-10:20

2 stops29h 50m

$1,808

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 28/2

19:10-19:10

1 stop35h 00m

London Heathrow

Mon 16/3

09:10-17:55

1 stop21h 45m

$1,853

Flights are sorted by cheapest return flights first.

Deals found on 18/11

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 14 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 32 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 57 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 cheapest airlines that fly to London?

The cheapest airlines flying from Sydney to London are China Southern, Air China 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 21 November 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.

Boarding

8.1

Entertainment

8.2

Crew

8.3

Overall

8.1

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Muhammed,June 2025

DXB - DUR

Amazing. Not bad at all. Wish all my flights are like this

Boarding

8.1

Entertainment

8.2

Crew

8.3

Overall

8.1

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Muhammed,June 2025

DXB - DUR

Amazing. Not bad at all. Wish all my flights are like this

Boarding

8.1

Entertainment

8.2

Crew

8.3

Overall

8.1

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Muhammed,June 2025

DXB - DUR

Amazing. Not bad at all. Wish all my flights are like this

Boarding

8.1

Entertainment

8.2

Crew

8.3

Overall

8.1

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Muhammed,June 2025

DXB - DUR

Amazing. Not bad at all. Wish all my flights are like this

Boarding

8.1

Entertainment

8.2

Crew

8.3

Overall

8.1

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Muhammed,June 2025

DXB - DUR

Amazing. Not bad at all. Wish all my flights are like this

Boarding

8.1

Entertainment

8.2

Crew

8.3

Overall

8.1

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Muhammed,June 2025

DXB - DUR

Amazing. Not bad at all. Wish all my flights are like this

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 $20, while return flights cost around $84.

  • How much is a return flight to London?

    A return flight to London will typically cost around $825, however they can be found for as little as $199.

  • 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
Chertsey

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Find the best flight deals to London

Some of the lowest fares we’ve come across for flights to London.

Fly with Cheapflights

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How does Cheapflights help users find flights to London?

Cheapflights helps you search for flights to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets to London?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights to London for you. Better yet — we are completely free to use.

Can Cheapflights find flights to London with no change fees?

Yes, we can. To see specific flights to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Yes! Start tracking prices for London flights today and get alerted when prices change. To subscribe and begin receiving alerts, click the bell icon next to the flight deals above and provide your email address.

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