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$605+ Cheap flights to the United Kingdom

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 18/5. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
8 Apr — 15 Apr1
1 adult

Flights to United Kingdom in 2025

Find the latest flights to United Kingdom 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 3 April 2025.

Return from

$1,435

One-way from

$609

Popular in

December

Cheapest in

October

Average price

$1,953

Good round-trip deal

$2,049 or less

Good one-way deal

$1,458 or less
17/5-29/5
  • 17/5-29/5
  • 4 total stops
  • 88h 00m total
  • Sydney to London
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11/5
  • 11/5
  • 2 total stops
  • 34h 50m total
  • Sydney to United Kingdom
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Highest demand for flights based on searches. 11% potential increase in price ($407 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 United Kingdom.
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Price to beat on a one-way flight from Sydney Kingsford Smith to United Kingdom.
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Find flights to United Kingdom

Browse one-way and return flights deals to the United Kingdom on Cheapflights. Flight deals are based on user searches and were last updated on 3 April 2025
Explore the United Kingdom
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Find flight deals to United Kingdom

Cheapest flights to United Kingdom
Explore the most affordable flight options available to United Kingdom. Find the lowest fares based on data from user searches, with prices last updated on 3 April 2025.

Sat 17/512:50SYD - LHR
2 stops35h 40mMultiple Airlines
Thu 29/522:15LHR - SYD
2 stops52h 20mMultiple Airlines
Deal found 2/4$1,435
Sat 17/511:20SYD - LHR
3 stops40h 20mChina Eastern
Wed 21/521:20LHR - SYD
2 stops49h 20mChina Eastern
Deal found 2/4$1,438
Thu 8/521:45SYD - LGW
2 stops53h 45mChina Southern
Tue 13/521:30LGW - SYD
2 stops49h 55mChina Southern
Deal found 2/4$1,443
Wed 7/520:30SYD - LGW
1 stop27h 30mChina Eastern
Tue 2/918:00LGW - SYD
1 stop30h 00mChina Eastern
Deal found 1/4$1,447
Tue 3/619:40SYD - LGW
1 stop43h 55mAir China
Tue 10/612:35LGW - SYD
1 stop41h 15mAir China
Deal found 2/4$1,454
Thu 1/519:30SYD - BHX
1 stop31h 45mAir India
Mon 5/520:15BHX - SYD
1 stop36h 45mAir India
Deal found 1/4$1,462

Cheapflights Fare Finder

Locate flights to United Kingdom 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 3 April 2025.
Use the filters below to find and compare flights to the United Kingdom that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 17/5

12:50-15:30

2 stops35h 40m

London Heathrow

Thu 29/5

22:15-11:35

2 stops52h 20m

$1,435

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 17/5

11:20-18:40

3 stops40h 20m

London Heathrow

Wed 21/5

21:20-07:40

2 stops49h 20m

$1,438

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 8/5

21:45-18:30

2 stops53h 45m

London Gatwick

Tue 13/5

21:30-08:25

2 stops49h 55m

$1,443

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Wed 7/5

20:30-15:00

1 stop27h 30m

London Gatwick

Tue 2/9

18:00-09:00

1 stop30h 00m

$1,447

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Tue 3/6

19:40-06:35

1 stop43h 55m

London Gatwick

Tue 10/6

12:35-14:50

1 stop41h 15m

$1,454

SydneyBirmingham

SYD - BHX

SYDBHX

Sydney Kingsford Smith

Thu 1/5

19:30-18:15

1 stop31h 45m

Birmingham

Mon 5/5

20:15-18:00

1 stop36h 45m

$1,462

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 7/5

22:10-16:35

1 stop27h 25m

London Heathrow

Tue 2/9

21:35-10:00

1 stop27h 25m

$1,470

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 29/4

19:40-17:45

1 stop31h 05m

London Heathrow

Thu 8/5

20:25-14:50

1 stop33h 25m

$1,471

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Sun 18/5

11:50-00:50

3 stops46h 00m

London Stansted

Thu 22/5

12:25-09:00

3 stops35h 35m

$1,486

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 12/6

21:45-19:00

1 stop30h 15m

London Heathrow

Mon 16/6

22:10-08:25

1 stop25h 15m

$1,513

Flights are sorted by cheapest return flights first.

Deals found on 3/4

Showing 1-10 of 60 results
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Best time to book a flight to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom 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 the United Kingdom

How long is the flight to United Kingdom?

On average, a flight from Sydney to United Kingdom takes 28 hours 27 minutes. Flights to United Kingdom 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 United Kingdom?

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

Users looking for the lowest fares to United Kingdom should consider flying on Tuesday afternoons, when prices are typically cheapest. Budget-minded travellers will want to avoid Thursday at midday, when prices are usually at their highest.

What are the most popular airlines that fly to United Kingdom?

The most popular airlines flying from Sydney to United Kingdom are Singapore Airlines, China Eastern and Emirates.

Singapore Airlines

Singapore Airlines

From $939

China Eastern

China Eastern

From $810

Emirates

Emirates

From $1,045

British Airways

British Airways

From $1,054

What are the cheapest airlines that fly to United Kingdom?

The cheapest airlines flying from Sydney to United Kingdom are Virgin Australia, Sichuan Airlines and Air China.

Rainfall in United Kingdom by month

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

In terms of precipitation, rainfall in United Kingdom 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 United Kingdom when rainfall is around 40.0 mm.

Temperature in United Kingdom by month

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

If weather is an important factor for your trip to United Kingdom, 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).

What are the most popular places to fly to in United Kingdom?

Destination popularity is based on the amount of flight searches to United Kingdom in the last few years. This data was updated on 3 April 2025.
The most popular places in United Kingdom to fly to are England and Scotland.

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated 3 April 2025.
To help decide which airline to fly to United Kingdom, see what other customers have to say about Japan Airlines, China Airlines and Hainan Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very Good
1,441 reviews
Check prices

Food

7.7

Crew

8.7

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Overall

8.3

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
1,441 reviews
Japan Airlines
8.3
Very Good
1,441 reviews
Check prices

Food

7.7

Crew

8.7

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Overall

8.3

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
8.2
Very Good
724 reviews
Japan Airlines
8.3
Very Good
1,441 reviews
Check prices

Food

7.7

Crew

8.7

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Overall

8.3

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
37 reviews
Japan Airlines
8.3
Very Good
1,441 reviews
Check prices

Food

7.7

Crew

8.7

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Overall

8.3

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
Singapore Airlines
8.1
Very Good
1,288 reviews
Japan Airlines
8.3
Very Good
1,441 reviews
Check prices

Food

7.7

Crew

8.7

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Overall

8.3

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
3,193 reviews
Japan Airlines
8.3
Very Good
1,441 reviews
Check prices

Food

7.7

Crew

8.7

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Overall

8.3

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 United Kingdom

  • Can I find cheaper flights to United Kingdom 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 United Kingdom on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to United Kingdom?

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

  • What is the cheapest airport to fly to in United Kingdom?

    Bristol is currently the cheapest airport to fly to in United Kingdom. One-way flights to Bristol typically cost $19, while return flights cost around $39.

  • How much is a return flight to United Kingdom?

    A return flight to United Kingdom will typically cost around $792, however they can be found for as little as $99.

  • Where does the fastest flight to United Kingdom depart from?

    For those looking to save time traveling to United Kingdom, 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, Terminal 2 & Terminal 3 is the closest property to London Heathrow (0.0 km away from London Heathrow).

See more FAQs

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Fly with Cheapflights

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How does Cheapflights help users find flights to United Kingdom?

When you search for this flight to United Kingdom, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

Why should you use Cheapflights to find cheap flight tickets to United Kingdom?

Cheapflights simply makes it quick and affordable to book flights to United Kingdom by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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