$606+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
17 Apr — 24 Apr1
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 18 March 2026.

Sun 7/619:40
SYD
-
LHR
1 stop31h 00m
Air China
Tue 16/622:40
LHR
-
SYD
1 stop31h 10m
Air China
Deal found 15/3$1,200
Sat 2/519:40
SYD
-
LHR
1 stop33h 45m
Air China
Sun 7/622:40
LHR
-
SYD
1 stop31h 10m
Air China
Deal found 14/3$1,201
Thu 14/519:40
SYD
-
LGW
1 stop43h 55m
Air China
Tue 26/512:35
LGW
-
SYD
1 stop41h 15m
Air China
Deal found 15/3$1,201
Thu 21/519:40
SYD
-
LGW
2 stops44h 20m
Air China
Tue 2/612:35
LGW
-
SYD
1 stop41h 15m
Air China
Deal found 14/3$1,203
Sun 3/519:40
SYD
-
LHR
1 stop33h 45m
Air China
Tue 9/622:40
LHR
-
SYD
1 stop31h 10m
Air China
Deal found 15/3$1,204
Thu 21/510:05
SYD
-
LHR
1 stop42h 15m
China Southern
Wed 10/622:10
LHR
-
SYD
1 stop36h 15m
China Southern
Deal found 14/3$1,206

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 18 March 2026.

Return from

$1,200

One-way from

$606

Popular in

December

Cheapest in

February

Average price

$1,650

Good round-trip deal

$2,250 or less

Good one-way deal

$1,622 or less
Air China
  • Air China
  • 7/6-16/6
  • 2 total stops
  • 62h 10m total
  • Sydney to London
Tianjin Airlines
  • Tianjin Airlines
  • 5/5
  • 1 total stop
  • 35h 40m total
  • Sydney to United Kingdom
Highest demand for flights based on searches. 9% potential increase in price ($179 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 March 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 18 March 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 - LGW

SYDLGW

Sydney Kingsford Smith

Mon 8/6

20:30-06:40

1 stop43h 10m

London Gatwick

Thu 11/6

18:00-09:00

1 stop30h 00m

$1,341

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Mon 8/6

10:05-10:35

2 stops33h 30m

London Luton

Tue 16/6

07:05-19:25

2 stops27h 20m

$1,386

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Mon 6/4

15:40-14:00

2 stops31h 20m

London Luton

Thu 9/4

21:50-16:50

2 stops34h 00m

$1,496

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 3/5

10:05-18:40

3 stops41h 35m

London Heathrow

Tue 26/5

21:20-08:00

3 stops49h 40m

$1,503

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Wed 10/6

14:10-09:25

2 stops28h 15m

London Luton

Tue 16/6

07:05-19:25

2 stops27h 20m

$1,534

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Mon 6/4

15:40-14:00

2 stops31h 20m

London Luton

Mon 13/4

09:15-06:10

2 stops35h 55m

$1,542

SydneyLondon

SYD - LTN

SYDLTN

Sydney Kingsford Smith

Mon 13/4

15:40-11:00

2 stops28h 20m

London Luton

Fri 17/4

05:40-16:50

2 stops26h 10m

$1,587

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 7/4

15:40-12:45

1 stop30h 05m

London Heathrow

Sun 3/5

21:45-16:50

1 stop34h 05m

$1,605

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 7/5

11:00-18:40

1 stop40h 40m

London Heathrow

Thu 18/6

21:20-12:35

1 stop30h 15m

$1,605

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 19/5

20:50-12:45

1 stop24h 55m

London Heathrow

Sat 23/5

21:45-06:10

1 stop23h 25m

$1,630

Flights are sorted by cheapest return flights first.

Deals found on 13/3

Showing 1-10 of 33 resultsSorted by cheapest first
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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 31 hours 42 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 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 18 March 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 18 March 2026.
Read reviews from past customers who have flown Emirates,Cathay Pacific, 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.

Comfort

8.0

Food

7.9

Entertainment

8.2

Crew

8.3

Overall

8.1

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers

Comfort

8.0

Food

7.9

Entertainment

8.2

Crew

8.3

Overall

8.1

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers

Comfort

8.0

Food

7.9

Entertainment

8.2

Crew

8.3

Overall

8.1

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers

Comfort

8.0

Food

7.9

Entertainment

8.2

Crew

8.3

Overall

8.1

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers

Comfort

8.0

Food

7.9

Entertainment

8.2

Crew

8.3

Overall

8.1

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Jayant,Dec 2025

HKG - DXB

Poor crew service. They lacked attention and courtesy to passengers

Comfort

8.0

Food

7.9

Entertainment

8.2

Crew

8.3

Overall

8.1

Boarding

8.1

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, 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?

    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 $640, however they can be found for as little as $159.

  • 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. 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

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

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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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