$766+ 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 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to United Kingdom in 2025

Enter your travel dates to find the best prices.

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 18 December 2025.

Sun 28/1222:00SYD - LTN
2 stops33h 40mMultiple Airlines
Sun 4/112:40LTN - SYD
2 stops33h 45mMultiple Airlines
Deal found 17/12$1,731
Sun 28/1212:00SYD - LGW
1 stop37h 00mChina Eastern
Tue 30/1210:30LGW - SYD
2 stops37h 30mChina Eastern
Deal found 17/12$1,788
Sun 28/1222:00SYD - LGW
2 stops34h 35mMultiple Airlines
Sun 4/117:45LGW - SYD
2 stops32h 50mMultiple Airlines
Deal found 17/12$1,814
Tue 23/1221:30SYD - LHR
1 stop31h 00mChina Eastern
Sat 9/521:20LHR - SYD
1 stop30h 15mChina Eastern
Deal found 15/12$1,820
Tue 23/1219:40SYD - LHR
1 stop31h 40mMultiple Airlines
Sat 9/521:20LHR - SYD
1 stop30h 15mMultiple Airlines
Deal found 16/12$1,894
Sun 28/1212:00SYD - LGW
1 stop37h 00mChina Eastern
Sat 17/110:30LGW - SYD
1 stop40h 05mChina Eastern
Deal found 15/12$1,897

Find flight deals to United Kingdom

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 18 December 2025.

Return from

$1,656

One-way from

$754

Popular in

December

Cheapest in

February

Average price

$2,515

Good round-trip deal

$2,086 or less

Good one-way deal

$1,414 or less
China Eastern
  • China Eastern
  • 15/2-19/2
  • 2 total stops
  • 60h 30m total
  • Sydney to London
29/1
  • 29/1
  • 3 total stops
  • 47h 50m total
  • Sydney to United Kingdom
Highest demand for flights based on searches. 11% potential increase in price ($240 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($59 potential savings vs. average return price).
Average for return flights in December 2025
Price to beat on a round-trip flight from Sydney Kingsford Smith to United Kingdom.
Price to beat on a one-way flight from Sydney Kingsford Smith to United Kingdom.

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 18 December 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

SydneyBirmingham

SYD - BHX

SYDBHX

Sydney Kingsford Smith

Sun 1/2

21:15-10:05

2 stops47h 50m

Birmingham

Sun 8/2

16:40-06:15

2 stops26h 35m

$1,582

SydneyBirmingham

SYD - BHX

SYDBHX

Sydney Kingsford Smith

Sat 31/1

20:45-18:50

1 stop33h 05m

Birmingham

Sat 7/2

20:30-19:15

1 stop35h 45m

$1,616

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Wed 20/5

21:10-16:50

2 stops28h 40m

London Stansted

Mon 8/6

11:10-19:15

2 stops47h 05m

$1,653

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Wed 25/3

21:15-16:20

2 stops30h 05m

London Stansted

Mon 1/6

11:10-19:15

2 stops47h 05m

$1,653

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Fri 15/5

21:10-10:15

2 stops46h 05m

London Stansted

Mon 8/6

11:10-19:15

2 stops47h 05m

$1,653

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Sat 7/2

21:15-18:15

3 stops32h 00m

London Luton

Sat 14/2

21:00-19:20

3 stops35h 20m

$1,684

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 9/5

10:15-17:50

2 stops40h 35m

London Heathrow

Thu 28/5

19:10-08:15

1 stop28h 05m

$1,702

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 9/5

14:15-17:50

1 stop36h 35m

London Heathrow

Mon 25/5

18:55-12:15

1 stop32h 20m

$1,711

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Mon 18/5

12:45-16:50

2 stops37h 05m

London Stansted

Tue 9/6

06:15-19:15

2 stops28h 00m

$1,712

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 2/3

22:10-16:55

1 stop29h 45m

London Heathrow

Wed 8/4

21:10-10:45

1 stop28h 35m

$1,714

Flights are sorted by cheapest return flights first.

Deals found on 16/12

Showing 1-10 of 33 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 30 hours 30 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 cheapest airlines that fly to United Kingdom?

The cheapest airlines flying from Sydney to United Kingdom are Hainan Airlines, Air China 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 18 December 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 18 December 2025.
Read reviews from past customers who have flown Emirates, Singapore Airlines, andQantas Airways 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.

Overall

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Food

7.9

Boarding

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.

Overall

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Food

7.9

Boarding

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.

Overall

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Food

7.9

Boarding

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.

Overall

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Food

7.9

Boarding

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.

Overall

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Food

7.9

Boarding

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.

Overall

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Food

7.9

Boarding

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 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, Beijing Capital 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?

    London Stansted is currently the cheapest airport to fly to in United Kingdom. One-way flights to London Stansted typically cost $19, 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 $195.

  • 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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Can Cheapflights find flights to United Kingdom with no change fees?

Need flexible booking options for your flight to United Kingdom ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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