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$779+ Cheap flights to Heathrow

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 17/9. 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 Heathrow in 2025

Find the latest flights to Heathrow 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

$779

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
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Vietnam Airlines
  • Vietnam Airlines
  • 17/9
  • 1 total stop
  • 39h 40m total
  • Sydney to London
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Highest demand for flights based on searches. 12% potential increase in price ($406 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 London Heathrow.
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Price to beat on a one-way flight from Sydney Kingsford Smith to London Heathrow.
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Find flight deals to Heathrow Airport

Cheapest flights to Heathrow Airport
Explore the most affordable flight options available to Heathrow Airport. 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
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 15/810:15SYD - LHR
1 stop41h 45mChina Southern
Sun 7/922:10LHR - SYD
1 stop25h 15mChina Southern
Deal found 9/7$1,519
Tue 25/1116:20SYD - LHR
1 stop25h 25mEtihad Airways
Sun 7/1219:20LHR - SYD
1 stop23h 50mEtihad Airways
Deal found 9/7$1,522
Tue 5/811:00SYD - LHR
1 stop40h 40mMultiple Airlines
Sun 24/821:20LHR - SYD
2 stops31h 55mMultiple Airlines
Deal found 9/7$1,528
Sun 2/1121:45SYD - LHR
2 stops29h 25mTurkish Airlines
Thu 27/1122:35LHR - SYD
2 stops34h 15mTurkish Airlines
Deal found 9/7$1,574

Cheapflights Fare Finder

Locate flights to Heathrow 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 London Heathrow Airport 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 - 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 - 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 - 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 - LHR

SYDLHR

Sydney Kingsford Smith

Wed 17/9

10:15-16:55

1 stop39h 40m

$779

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 15/9

12:50-19:30

3 stops39h 40m

$785

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 25/7

11:00-18:40

1 stop40h 40m

$791

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 14/7

08:55-06:25

1 stop30h 30m

$833

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 19/7

21:30-07:00

1 stop42h 30m

$849

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Best time to book a flight to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 London Heathrow Airport

When is the best time to book a flight to Heathrow?

Use this chart to determine the optimal time to book a return flight from Sydney to Heathrow. Price data was last updated on 27 June 2025.

The price you pay for your flight to Heathrow may vary depending on when you book. For the best chance of a lower fare, look to book 25 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

How long is the flight to Heathrow?

On average, a flight from Sydney to Heathrow takes 24 hours 45 minutes. Flights to Heathrow 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 Heathrow?

Use this chart to determine the cheapest time to fly return from Sydney to Heathrow. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Heathrow should consider flying on Monday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Friday at midday, when prices are usually at their highest.

Weekly flight availability to Heathrow

The most flights from Sydney to Heathrow 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 Heathrow?

The most popular airlines flying from Sydney to Heathrow are Singapore Airlines, Qantas Airways and Cathay Pacific.

Singapore Airlines
Singapore Airlines
From $904
Qantas Airways
Qantas Airways
From $1,092
Qatar Airways
Qatar Airways
From $960
Malaysia Airlines
Malaysia Airlines
From $853

What are the cheapest airlines that fly to Heathrow?

The cheapest airlines flying from Sydney to Heathrow are China Southern, Air China and China Eastern.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Heathrow 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 Heathrow when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Heathrow, 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).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 11 July 2025.
Read through reviews of airlines serving the United Kingdom, such as Japan Airlines, Hainan Airlines, andChina Southern. 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

Comfort

8.2

Overall

8.3

Crew

8.7

Food

7.7

Boarding

8.4

Entertainment

7.8

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

Comfort

8.2

Overall

8.3

Crew

8.7

Food

7.7

Boarding

8.4

Entertainment

7.8

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

Comfort

8.2

Overall

8.3

Crew

8.7

Food

7.7

Boarding

8.4

Entertainment

7.8

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

Comfort

8.2

Overall

8.3

Crew

8.7

Food

7.7

Boarding

8.4

Entertainment

7.8

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.
Vietnam Airlines
7.5
Good
195 reviews
Japan Airlines
8.3
Very Good
1,512 reviews
Check prices

Comfort

8.2

Overall

8.3

Crew

8.7

Food

7.7

Boarding

8.4

Entertainment

7.8

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.
Etihad Airways
7.4
Good
1,222 reviews
Japan Airlines
8.3
Very Good
1,512 reviews
Check prices

Comfort

8.2

Overall

8.3

Crew

8.7

Food

7.7

Boarding

8.4

Entertainment

7.8

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 Heathrow

  • Can I find cheaper flights to Heathrow 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 Heathrow on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Heathrow?

    Based on reviews from Cheapflights users, Hainan Airlines is rated the highest out of the airlines that fly to Heathrow.

  • What is the cheapest airport to fly to in Heathrow?

    London Heathrow is currently the cheapest airport to fly to in Heathrow. One-way flights to London Heathrow typically cost $53, while return flights cost around $101.

  • How much is a return flight to Heathrow?

    A return flight to Heathrow will typically cost around $732, however they can be found for as little as $66.

  • Where does the fastest flight to Heathrow depart from?

    For those looking to save time traveling to Heathrow, 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. Aerotel London Heathrow is the closest property to London Heathrow (0.0 km away from London Heathrow).

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Salisbury
Hounslow
Southall
Chatham
Dover
Dorking
Canterbury
Chertsey

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