Find flights
Airlines

$626+ 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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
16 Jul — 23 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 11 July 2025.

Return from

$1,511

One-way from

$626

Popular in

December

Cheapest in

October

Average price

$1,961

Good round-trip deal

$2,163 or less

Good one-way deal

$1,536 or less
China Eastern
  • China Eastern
  • 8/8-15/8
  • 3 total stops
  • 66h 20m total
  • Sydney to London
Search Deals
15/10
  • 15/10
  • 3 total stops
  • 57h 35m total
  • Sydney to United Kingdom
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($406 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($99 potential savings vs. average return price).
Search Deals
Average for return flights in July 2025
Search Deals
Price to beat on a round-trip flight from Sydney Kingsford Smith to United Kingdom.
Search Deals
Price to beat on a one-way flight from Sydney Kingsford Smith to United Kingdom.
Search Deals

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 11 July 2025
Explore the United Kingdom
Look for other cheap flights to London
Look for other cheap flights to Edinburgh
Look for other cheap flights to Manchester
Look for other cheap flights to Glasgow
Look for other cheap flights to Birmingham
Look for other cheap flights to Belfast

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 11 July 2025.

Fri 8/812:00SYD - LHR
2 stops39h 40mChina Eastern
Fri 15/821:20LHR - SYD
1 stop26h 40mChina Eastern
Deal found 9/7$1,511
Mon 21/710:15SYD - LTN
2 stops41h 15mMultiple Airlines
Sun 10/806:05LTN - SYD
2 stops28h 20mMultiple Airlines
Deal found 11/7$1,513
Sun 17/812:00SYD - LGW
2 stops36h 10mChina Eastern
Wed 3/918:25LGW - SYD
1 stop33h 10mChina Eastern
Deal found 10/7$1,513
Fri 15/819:40SYD - LHR
1 stop33h 50mAir China
Fri 22/822:40LHR - SYD
1 stop31h 10mAir China
Deal found 9/7$1,514
Fri 10/1021:55SYD - LGW
2 stops28h 20mTurkish Airlines
Sat 22/1106:25LGW - SYD
2 stops26h 25mTurkish Airlines
Deal found 10/7$1,514
Fri 15/810:15SYD - LHR
1 stop41h 45mChina Southern
Sun 7/922:10LHR - SYD
1 stop25h 15mChina Southern
Deal found 9/7$1,519

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 11 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

Fri 8/8

12:00-18:40

2 stops39h 40m

London Heathrow

Fri 15/8

21:20-09:00

1 stop26h 40m

$1,511

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Mon 21/7

10:15-18:30

2 stops41h 15m

London Luton

Sun 10/8

06:05-19:25

2 stops28h 20m

$1,513

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Sun 17/8

12:00-15:10

2 stops36h 10m

London Gatwick

Wed 3/9

18:25-12:35

1 stop33h 10m

$1,513

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 15/8

19:40-20:30

1 stop33h 50m

London Heathrow

Fri 22/8

22:40-14:50

1 stop31h 10m

$1,514

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Fri 10/10

21:55-16:15

2 stops28h 20m

London Gatwick

Sat 22/11

06:25-19:50

2 stops26h 25m

$1,514

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 15/8

10:15-19:00

1 stop41h 45m

London Heathrow

Sun 7/9

22:10-08:25

1 stop25h 15m

$1,519

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

$1,522

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Sat 9/8

19:40-06:35

1 stop43h 55m

London Gatwick

Fri 19/9

12:35-14:50

1 stop41h 15m

$1,524

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 5/8

11:00-18:40

1 stop40h 40m

London Heathrow

Sun 24/8

21:20-14:15

2 stops31h 55m

$1,528

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Mon 17/11

22:00-17:20

2 stops30h 20m

London Gatwick

Sat 29/11

20:25-20:20

2 stops36h 55m

$1,548

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 60 results
1
2
3
...
6

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 29 hours 45 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 $838
Emirates
Emirates
From $1,013
Qatar Airways
Qatar Airways
From $894
Qantas Airways
Qantas Airways
From $1,042

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 11 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 11 July 2025.
Read reviews from past customers who have flown Japan Airlines, Hainan Airlines, andEmirates 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.
Japan Airlines
8.3
Very Good
1,512 reviews
Check prices

Overall

8.3

Food

7.7

Crew

8.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Japan Airlines
8.3
Very Good
1,512 reviews
Japan Airlines
8.3
Very Good
1,512 reviews
Check prices

Overall

8.3

Food

7.7

Crew

8.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Hainan Airlines
8.2
Very Good
41 reviews
Japan Airlines
8.3
Very Good
1,512 reviews
Check prices

Overall

8.3

Food

7.7

Crew

8.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Emirates
8.1
Very Good
3,285 reviews
Japan Airlines
8.3
Very Good
1,512 reviews
Check prices

Overall

8.3

Food

7.7

Crew

8.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
KLM
7.8
Good
1,372 reviews
Japan Airlines
8.3
Very Good
1,512 reviews
Check prices

Overall

8.3

Food

7.7

Crew

8.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
China Southern
7.6
Good
103 reviews
Japan Airlines
8.3
Very Good
1,512 reviews
Check prices

Overall

8.3

Food

7.7

Crew

8.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

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?

    Liverpool J. Lennon is currently the cheapest airport to fly to in United Kingdom. One-way flights to Liverpool J. Lennon typically cost $21, 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 $732, however they can be found for as little as $66.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Find flights to United Kingdom

Select your preferred flight destination in United Kingdom from the list below.
Flights to Heathrow
Flights to Manchester
Flights to Edinburgh
Flights to Birmingham
Flights to Gatwick
Flights to Glasgow Intl
Flights to Bristol
Flights to Stansted
Flights to Newcastle upon Tyne
Flights to Luton
Flights to Belfast Intl
Flights to Liverpool
Flights to Leeds
Flights to London City
Flights to East Midlands
Flights to Aberdeen
Flights to Cardiff
Flights to Southampton
Flights to Inverness
Flights to Belfast City
Flights to Newquay
Flights to Bournemouth
Flights to Exeter
Flights to Southend
Flights to Norwich
Flights to Darlington
Flights to Grimsby
Flights to Doncaster
Flights to Blackpool
Flights to Cambridge
Flights to Dundee
Flights to Oxford
Flights to Swansea
Flights to Coventry
Flights to London
Flights to Belfast
Flights to Glasgow

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

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.

Can Cheapflights notify me if prices for flights to United Kingdom become cheaper?

Of course! You can track prices for flights to United Kingdom and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights