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$601+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
27 Mar — 3 Apr1
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 22 March 2025.

Return from

$1,421

One-way from

$601

Popular in

December

Cheapest in

October

Average price

$1,691

Good round-trip deal

$2,013 or less

Good one-way deal

$1,421 or less
China Eastern
  • China Eastern
  • 31/3-12/4
  • 3 total stops
  • 70h 35m total
  • Sydney to London
12/5
  • 12/5
  • 3 total stops
  • 55h 25m total
  • Sydney to London
Highest demand for flights based on searches. 11% potential increase in price ($414 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($105 potential savings vs. average return price).
Average for return flights in March 2025
Price to beat on a round-trip flight from Sydney Kingsford Smith to London Heathrow.
Price to beat on a one-way flight from Sydney Kingsford Smith to London Heathrow.

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 22 March 2025.

Mon 31/312:20SYD - LHR
2 stops40h 20mChina Eastern
Sat 12/421:20LHR - SYD
1 stop30h 15mChina Eastern
Deal found 21/3$1,421
Thu 1/519:40SYD - LHR
1 stop33h 50mMultiple Airlines
Mon 26/522:40LHR - SYD
2 stops35h 45mMultiple Airlines
Deal found 20/3$1,437
Thu 8/519:40SYD - LHR
1 stop33h 50mAir China
Thu 29/520:25LHR - SYD
1 stop33h 25mAir China
Deal found 21/3$1,438
Fri 13/610:05SYD - LHR
1 stop41h 55mChina Southern
Tue 24/622:10LHR - SYD
1 stop25h 15mChina Southern
Deal found 20/3$1,473
Mon 5/522:10SYD - LHR
1 stop27h 25mMalaysia Airlines
Thu 29/521:35LHR - SYD
1 stop27h 25mMalaysia Airlines
Deal found 19/3$1,516
Mon 5/522:10SYD - LHR
1 stop27h 20mChina Airlines
Fri 9/521:10LHR - SYD
1 stop28h 35mChina Airlines
Deal found 20/3$1,610
Fri 21/315:15SYD - LHR
1 stop25h 15mCathay Pacific
Tue 25/320:15LHR - SYD
1 stop28h 45mCathay Pacific
Deal found 20/3$1,640
Tue 3/620:55SYD - LHR
2 stops34h 30mTurkish Airlines
Thu 12/606:30LHR - SYD
2 stops27h 30mTurkish Airlines
Deal found 20/3$1,671
Mon 24/321:30SYD - LHR
1 stop25h 35mEtihad Airways
Thu 27/313:55LHR - SYD
1 stop41h 40mEtihad Airways
Deal found 19/3$1,683

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 22 March 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

Mon 31/3

12:20-18:40

2 stops40h 20m

London Heathrow

Sat 12/4

21:20-12:35

1 stop30h 15m

$1,421

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 1/5

19:40-20:30

1 stop33h 50m

London Heathrow

Mon 26/5

22:40-19:25

2 stops35h 45m

$1,437

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 8/5

19:40-20:30

1 stop33h 50m

London Heathrow

Thu 29/5

20:25-14:50

1 stop33h 25m

$1,438

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 13/6

10:05-19:00

1 stop41h 55m

London Heathrow

Tue 24/6

22:10-08:25

1 stop25h 15m

$1,473

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 5/5

22:10-16:35

1 stop27h 25m

London Heathrow

Thu 29/5

21:35-10:00

1 stop27h 25m

$1,516

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 5/5

22:10-16:30

1 stop27h 20m

London Heathrow

Fri 9/5

21:10-10:45

1 stop28h 35m

$1,610

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 3/6

20:55-16:40

2 stops28h 45m

London Heathrow

Tue 17/6

18:00-19:00

2 stops40h 00m

$1,671

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 8/7

08:55-15:40

1 stop39h 45m

London Heathrow

Mon 15/12

18:15-06:50

2 stops49h 35m

$1,718

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 4/6

10:15-16:55

1 stop39h 40m

London Heathrow

Mon 16/6

18:55-12:15

1 stop32h 20m

$1,730

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 19/5

20:45-19:10

3 stops55h 25m

$606

Flights are sorted by cheapest return flights first.

Deals found on 20/3

Showing 1-10 of 19 results
1
2

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 14 March 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 4 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 23 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 Sunday, which is when the least amount of flights are scheduled (1 on average).

What are the cheapest airlines that fly to Heathrow?

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

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 22 March 2025.
Peruse reviews from past customers who have flown Japan Airlines, China Airlines and Singapore Airlines to London to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.2

Overall

8.3

Food

7.7

Boarding

8.4

Crew

8.7

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Comfort

8.2

Overall

8.3

Food

7.7

Boarding

8.4

Crew

8.7

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Comfort

8.2

Overall

8.3

Food

7.7

Boarding

8.4

Crew

8.7

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Comfort

8.2

Overall

8.3

Food

7.7

Boarding

8.4

Crew

8.7

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Comfort

8.2

Overall

8.3

Food

7.7

Boarding

8.4

Crew

8.7

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

Comfort

8.2

Overall

8.3

Food

7.7

Boarding

8.4

Crew

8.7

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

mark,Nov 2024

YVR - NRT

I like that flight because super nice and friendly. I’m a senior and quick not comfortable to ask what I need help. But would be nicer if they check us if we need any more help because we are not able to leave our seat. However Japan Aniline is my on top priority

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 $157.

  • How much is a return flight to Heathrow?

    A return flight to Heathrow will typically cost around $772, however they can be found for as little as $99.

  • 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, Terminal 2 & Terminal 3 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
Gatwick
Salisbury
Hounslow
Southall
Chatham
Dover
Dorking
Canterbury
Andover
Cirencester
Hayes
Horley

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Yes, we can. To see specific flights to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, and it’s super simple to set up Price Alerts. Click the bell icon next to the flight deals above and provide your email address. That’s it!

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