$763+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
17 May — 24 May1
1 adult
1 adult, Economy, 0 bags

Flights to United Kingdom in 2026

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 17 April 2026.

Wed 14/1016:40
SYD
-
LHR
1 stop24h 20m
Etihad Airways
Tue 3/1119:20
LHR
-
SYD
1 stop35h 35m
Etihad Airways
Deal found 12/4$1,324
Sun 19/419:40
SYD
-
LGW
2 stops44h 15m
Air China
Sun 17/512:35
LGW
-
SYD
1 stop41h 15m
Air China
Deal found 13/4$1,329
Wed 11/1116:35
SYD
-
LHR
1 stop32h 55m
Etihad Airways
Sun 15/1119:20
LHR
-
SYD
1 stop24h 15m
Etihad Airways
Deal found 16/4$1,333
Thu 22/1020:40
SYD
-
LHR
1 stop31h 00m
Air China
Thu 12/1120:25
LHR
-
SYD
1 stop32h 05m
Air China
Deal found 12/4$1,336
Fri 9/1010:45
SYD
-
LGW
2 stops30h 40m
AirAsia X
Fri 23/1010:25
LGW
-
SYD
2 stops36h 55m
AirAsia X
Deal found 17/4$1,338
Sun 6/909:45
SYD
-
LGW
1 stop30h 40m
AirAsia X
Fri 30/1009:25
LGW
-
SYD
1 stop36h 50m
AirAsia X
Deal found 12/4$1,355

Find flight deals to United Kingdom

Find the latest flights to United Kingdom in 2026, 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 17 April 2026.

Return from

$1,366

One-way from

$731

Popular in

December

Cheapest in

February

Average price

$1,790

Good round-trip deal

$2,508 or less

Good one-way deal

$1,602 or less
AirAsia X
  • AirAsia X
  • 12/7-20/8
  • 4 total stops
  • 67h 35m total
  • Sydney to London
15/7
  • 15/7
  • 3 total stops
  • 39h 20m total
  • Sydney to United Kingdom
Highest demand for flights based on searches. 8% potential increase in price ($171 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($52 potential savings vs. average return price).
Average for return flights in April 2026
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 17 April 2026.
Use the filters below to find and compare flights to the United Kingdom that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Sun 31/5

15:40-18:15

2 stops35h 35m

London Luton

Sat 20/6

12:45-06:10

2 stops32h 25m

$1,522

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Wed 12/8

11:00-15:00

1 stop37h 00m

London Gatwick

Fri 14/8

11:35-12:35

1 stop40h 00m

$1,758

SydneyLondon

SYD - LGW

SYDLGW

Sydney Kingsford Smith

Wed 19/8

11:00-15:00

1 stop37h 00m

London Gatwick

Thu 10/9

18:00-08:00

2 stops29h 00m

$1,798

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Thu 28/5

10:05-09:00

2 stops31h 55m

London Luton

Thu 4/6

06:00-19:25

2 stops28h 25m

$1,910

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 11/5

20:45-18:00

1 stop30h 15m

London Heathrow

Mon 15/6

15:35-06:10

1 stop29h 35m

$1,921

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Thu 28/5

06:00-12:55

1 stop39h 55m

London Stansted

Thu 4/6

21:05-06:25

2 stops48h 20m

$1,974

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Tue 16/6

06:00-12:55

1 stop39h 55m

London Stansted

Thu 2/7

21:05-17:30

1 stop35h 25m

$1,995
Fastest return journey

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Mon 11/5

20:45-12:55

1 stop25h 10m

London Stansted

Mon 15/6

14:55-22:05

1 stop22h 10m

$1,996

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Mon 1/6

06:00-12:55

1 stop39h 55m

London Stansted

Mon 8/6

21:05-22:05

1 stop40h 00m

$2,012

SydneyLondon

SYD - STN

SYDSTN

Sydney Kingsford Smith

Sun 3/5

20:45-12:55

1 stop25h 10m

London Stansted

Fri 15/5

14:55-22:05

1 stop22h 10m

$2,023

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Showing 1-10 of 33 resultsSorted by cheapest first
1
2
3
4

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 40 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.

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, AirAsia X and Juneyao Airlines.

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 17 April 2026.
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 17 April 2026.
Read reviews from past customers who have flown Emirates,Qantas Airways, andChina Southern 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.

Entertainment

8.2

Comfort

8.0

Overall

8.1

Food

7.9

Boarding

8.1

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers

Entertainment

8.2

Comfort

8.0

Overall

8.1

Food

7.9

Boarding

8.1

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers

Entertainment

8.2

Comfort

8.0

Overall

8.1

Food

7.9

Boarding

8.1

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers

Entertainment

8.2

Comfort

8.0

Overall

8.1

Food

7.9

Boarding

8.1

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers

Entertainment

8.2

Comfort

8.0

Overall

8.1

Food

7.9

Boarding

8.1

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers

Entertainment

8.2

Comfort

8.0

Overall

8.1

Food

7.9

Boarding

8.1

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers

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, Turkish 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 $18, while return flights cost around $26.

  • How much is a return flight to United Kingdom?

    A return flight to United Kingdom will typically cost around $635, however they can be found for as little as $172.

  • 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. Aeropartment & Aerotel, London Heathrow Airport, Terminal 4, Ev Stations & Cheap Parking On Site! 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.

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.