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$747+ 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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
9 Jul — 16 Jul1
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 4 July 2025.

Return from

$1,502

One-way from

$747

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
China Eastern
  • China Eastern
  • 30/7-6/8
  • 5 total stops
  • 89h 00m total
  • Sydney to London
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15/9
  • 15/9
  • 3 total stops
  • 44h 00m total
  • Sydney to United Kingdom
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Highest demand for flights based on searches. 12% potential increase in price ($404 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 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 4 July 2025
Explore the United Kingdom
Look for other cheap flights to London
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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 4 July 2025.

Wed 30/712:00SYD - LHR
2 stops39h 40mChina Eastern
Wed 6/821:20LHR - SYD
3 stops49h 20mChina Eastern
Deal found 2/7$1,502
Sun 17/812:00SYD - LGW
2 stops36h 10mChina Eastern
Tue 9/911:35LGW - SYD
3 stops35h 05mChina Eastern
Deal found 1/7$1,502
Fri 8/819:40SYD - LGW
2 stops32h 05mAir China
Tue 26/811:25LGW - SYD
2 stops42h 25mAir China
Deal found 3/7$1,503
Wed 30/719:45SYD - LHR
2 stops33h 30mAir China
Sat 16/822:00LHR - SYD
2 stops55h 50mAir China
Deal found 1/7$1,505
Sun 14/920:55SYD - LGW
2 stops48h 55mTurkish Airlines
Sun 16/1110:05LGW - SYD
2 stops46h 45mTurkish Airlines
Deal found 2/7$1,506
Mon 4/819:45SYD - LGW
2 stops32h 00mMultiple Airlines
Mon 1/918:05LGW - SYD
1 stop33h 30mMultiple Airlines
Deal found 3/7$1,522

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 4 July 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

Tue 22/7

19:40-20:30

1 stop33h 50m

London Heathrow

Sun 10/8

20:25-14:50

1 stop33h 25m

$1,502

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

$1,502

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 23/10

21:55-11:45

2 stops47h 50m

London Heathrow

Sat 1/11

06:35-19:50

2 stops26h 15m

$1,503

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Fri 8/8

19:40-18:45

2 stops32h 05m

London Gatwick

Tue 26/8

11:25-14:50

2 stops42h 25m

$1,503

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Sun 14/9

20:55-12:50

2 stops48h 55m

London Gatwick

Sun 16/11

10:05-19:50

2 stops46h 45m

$1,506

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Thu 7/8

19:40-18:35

1 stop31h 55m

London Gatwick

Sun 31/8

08:05-19:25

2 stops26h 20m

$1,517

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 26/7

20:30-18:40

1 stop31h 10m

London Heathrow

Mon 11/8

21:20-12:35

1 stop30h 15m

$1,517

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 18/8

21:30-18:45

1 stop30h 15m

London Heathrow

Sun 7/9

20:55-06:10

1 stop24h 15m

$1,526

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

$1,607

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Mon 1/9

20:30-21:45

2 stops34h 15m

London Luton

Sun 14/9

15:35-09:00

2 stops32h 25m

$1,666

Flights are sorted by cheapest return flights first.

Deals found on 1/7

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 34 hours 25 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 mornings, when prices are typically cheapest. Budget-minded travellers will want to avoid Thursday at midday, when prices are usually at their highest.

Weekly flight availability to United Kingdom

The most flights from Sydney to United Kingdom 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 United Kingdom?

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

Singapore Airlines
Singapore Airlines
From $837
Emirates
Emirates
From $1,016
Qatar Airways
Qatar Airways
From $896
Qantas Airways
Qantas Airways
From $1,044

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 China Southern.

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 4 July 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 4 July 2025.
Read reviews from past customers who have flown Hainan Airlines, Emirates, andKLM to the United Kingdom. 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.
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Comfort

8.1

Entertainment

7.6

Boarding

8.6

Food

8.6

Overall

8.2

Crew

8.9

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

Comfort

8.1

Entertainment

7.6

Boarding

8.6

Food

8.6

Overall

8.2

Crew

8.9

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
3,287 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Comfort

8.1

Entertainment

7.6

Boarding

8.6

Food

8.6

Overall

8.2

Crew

8.9

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.
KLM
7.8
Good
1,367 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Comfort

8.1

Entertainment

7.6

Boarding

8.6

Food

8.6

Overall

8.2

Crew

8.9

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.
Cathay Pacific
7.6
Good
921 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Comfort

8.1

Entertainment

7.6

Boarding

8.6

Food

8.6

Overall

8.2

Crew

8.9

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

Comfort

8.1

Entertainment

7.6

Boarding

8.6

Food

8.6

Overall

8.2

Crew

8.9

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 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?

    Manchester is currently the cheapest airport to fly to in United Kingdom. One-way flights to Manchester typically cost $25, while return flights cost around $28.

  • How much is a return flight to United Kingdom?

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

  • 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).

  • 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

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

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