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$703+ 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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
— LON
5 May — 12 May1
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 30 April 2025.

Return from

$1,461

One-way from

$704

Popular in

December

Cheapest in

October

Average price

$1,938

Good round-trip deal

$2,157 or less

Good one-way deal

$1,474 or less
China Southern
  • China Southern
  • 14/6-21/6
  • 2 total stops
  • 78h 15m total
  • Sydney to London
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24/5
  • 24/5
  • 3 total stops
  • 55h 45m total
  • Sydney to London
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Highest demand for flights based on searches. 11% potential increase in price ($401 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($103 potential savings vs. average return price).
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Average for return flights in April 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 30 April 2025.

Sat 14/610:15SYD - LHR
1 stop41h 45mChina Southern
Sat 21/622:10LHR - SYD
1 stop36h 30mChina Southern
Deal found 30/4$1,461
Fri 23/520:30SYD - LGW
1 stop27h 30mChina Eastern
Fri 20/618:40LGW - SYD
1 stop29h 20mChina Eastern
Deal found 30/4$1,461
Tue 27/511:00SYD - LHR
1 stop40h 40mChina Eastern
Tue 3/621:20LHR - SYD
3 stops50h 10mChina Eastern
Deal found 29/4$1,463
Tue 14/1022:15SYD - LGW
1 stop42h 50mChina Southern
Tue 18/1120:20LGW - SYD
2 stops37h 00mChina Southern
Deal found 30/4$1,468
Tue 14/1020:40SYD - LGW
2 stops44h 15mAir China
Thu 30/1011:40LGW - SYD
2 stops40h 50mAir China
Deal found 29/4$1,469
Tue 20/521:30SYD - LHR
1 stop30h 15mEtihad Airways
Sat 24/521:45LHR - SYD
1 stop34h 10mEtihad Airways
Deal found 29/4$1,471
Tue 11/1121:40SYD - LGW
2 stops46h 40mTurkish Airlines
Tue 18/1106:00LGW - SYD
2 stops26h 45mTurkish Airlines
Deal found 29/4$1,472
Thu 7/819:40SYD - LHR
1 stop31h 05mAir China
Fri 5/920:25LHR - SYD
1 stop33h 25mAir China
Deal found 30/4$1,485
Thu 9/1022:10SYD - LHR
1 stop28h 25mMalaysia Airlines
Thu 30/1021:25LHR - SYD
1 stop23h 30mMalaysia Airlines
Deal found 29/4$1,488
Thu 22/521:00SYD - LHR
2 stops31h 30mMultiple Airlines
Fri 6/622:40LHR - SYD
1 stop31h 10mMultiple Airlines
Deal found 28/4$1,494
Mon 9/606:00SYD - LGW
2 stops33h 40mMultiple Airlines
Mon 16/611:35LGW - SYD
1 stop40h 00mMultiple Airlines
Deal found 29/4$1,508
Tue 20/507:40SYD - LHR
1 stop45h 55mCathay Pacific
Fri 20/618:20LHR - SYD
1 stop31h 30mCathay Pacific
Deal found 30/4$1,527

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 30 April 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

Sat 14/6

10:15-19:00

1 stop41h 45m

London Heathrow

Sat 21/6

22:10-19:40

1 stop36h 30m

$1,461

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Fri 23/5

20:30-15:00

1 stop27h 30m

London Gatwick

Fri 20/6

18:40-09:00

1 stop29h 20m

$1,461

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 27/5

11:00-18:40

1 stop40h 40m

London Heathrow

Tue 3/6

21:20-08:30

3 stops50h 10m

$1,463

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Tue 14/10

22:15-07:05

1 stop42h 50m

London Gatwick

Tue 18/11

20:20-20:20

2 stops37h 00m

$1,468

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Tue 14/10

20:40-06:55

2 stops44h 15m

London Gatwick

Thu 30/10

11:40-15:30

2 stops40h 50m

$1,469

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 20/5

21:30-18:45

1 stop30h 15m

London Heathrow

Sat 24/5

21:45-16:55

1 stop34h 10m

$1,471

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 7/8

19:40-17:45

1 stop31h 05m

London Heathrow

Fri 5/9

20:25-14:50

1 stop33h 25m

$1,485

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 9/10

22:10-16:35

1 stop28h 25m

London Heathrow

Thu 30/10

21:25-07:55

1 stop23h 30m

$1,488

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 22/5

21:00-19:30

2 stops31h 30m

London Heathrow

Fri 6/6

22:40-14:50

1 stop31h 10m

$1,494

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Wed 30/7

20:55-16:15

2 stops28h 20m

London Gatwick

Wed 20/8

10:55-19:00

2 stops47h 05m

$1,500

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 48 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 25 April 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 62 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 23 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, Cathay Pacific and Qantas Airways.

Singapore Airlines

Singapore Airlines

From $992

Cathay Pacific

Cathay Pacific

From $925

Qantas Airways

Qantas Airways

From $1,200

Etihad Airways

Etihad Airways

From $843

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 30 April 2025.
Read reviews from past customers who have flown Japan Airlines, China Airlines and Hainan Airlines to London. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very Good
1,459 reviews
Check prices

Comfort

8.2

Overall

8.3

Boarding

8.4

Crew

8.7

Food

7.7

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
Japan Airlines
8.3
Very Good
1,459 reviews
Japan Airlines
8.3
Very Good
1,459 reviews
Check prices

Comfort

8.2

Overall

8.3

Boarding

8.4

Crew

8.7

Food

7.7

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
China Airlines
8.3
Very Good
732 reviews
Japan Airlines
8.3
Very Good
1,459 reviews
Check prices

Comfort

8.2

Overall

8.3

Boarding

8.4

Crew

8.7

Food

7.7

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
Hainan Airlines
8.1
Very Good
38 reviews
Japan Airlines
8.3
Very Good
1,459 reviews
Check prices

Comfort

8.2

Overall

8.3

Boarding

8.4

Crew

8.7

Food

7.7

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
Emirates
8.0
Very Good
3,215 reviews
Japan Airlines
8.3
Very Good
1,459 reviews
Check prices

Comfort

8.2

Overall

8.3

Boarding

8.4

Crew

8.7

Food

7.7

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority
KLM
7.8
Good
1,334 reviews
Japan Airlines
8.3
Very Good
1,459 reviews
Check prices

Comfort

8.2

Overall

8.3

Boarding

8.4

Crew

8.7

Food

7.7

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

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 $17, while return flights cost around $38.

  • How much is a return flight to London?

    A return flight to London will typically cost around $94, however they can be found for as little as $94.

  • 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 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
Gatwick
Hounslow
Southall
Chatham
Dover
Dorking
Canterbury
Andover

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