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$680+ 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
12 Oct — 19 Oct1
1 adult
1 adult, Economy

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 12 September 2025.

Return from

$1,377

One-way from

$680

Popular in

December

Cheapest in

February

Average price

$1,974

Good round-trip deal

$2,016 or less

Good one-way deal

$1,394 or less
15/10-15/11
  • 15/10-15/11
  • 5 total stops
  • 70h 25m total
  • Sydney to London
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10/11
  • 10/11
  • 3 total stops
  • 36h 15m total
  • Sydney to London
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Highest demand for flights based on searches. 12% potential increase in price ($386 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($95 potential savings vs. average return price).
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Average for return flights in September 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 12 September 2025.

Wed 15/1015:50SYD - LHR
2 stops34h 50mMultiple Airlines
Sat 15/1122:00LHR - SYD
3 stops35h 35mMultiple Airlines
Deal found 11/9$1,377
Tue 14/1021:55SYD - LHR
2 stops34h 30mTurkish Airlines
Tue 11/1106:35LHR - SYD
1 stop25h 45mTurkish Airlines
Deal found 10/9$1,378
Tue 11/1112:10SYD - LHR
3 stops40h 20mChina Eastern
Tue 25/1121:00LHR - SYD
1 stop26h 00mChina Eastern
Deal found 9/9$1,380
Mon 10/1113:30SYD - LHR
3 stops39h 00mChina Eastern
Sun 30/1121:00LHR - SYD
1 stop29h 35mChina Eastern
Deal found 11/9$1,381
Sun 19/1021:55SYD - LHR
2 stops45h 55mTurkish Airlines
Sun 16/1117:45LHR - SYD
1 stop38h 35mTurkish Airlines
Deal found 10/9$1,383
Sat 25/1013:45SYD - LHR
2 stops37h 25mMultiple Airlines
Sat 1/1121:00LHR - SYD
2 stops49h 25mMultiple Airlines
Deal found 10/9$1,384
Mon 27/1020:05SYD - LHR
2 stops36h 35mMultiple Airlines
Mon 3/1109:05LHR - SYD
2 stops46h 45mMultiple Airlines
Deal found 12/9$1,386
Sat 18/1020:40SYD - LHR
1 stop31h 05mMultiple Airlines
Mon 3/1117:40LHR - SYD
2 stops39h 15mMultiple Airlines
Deal found 11/9$1,387
Wed 22/1011:15SYD - LHR
1 stop41h 45mChina Southern
Tue 28/1022:00LHR - SYD
1 stop35h 20mChina Southern
Deal found 11/9$1,390
Tue 21/1015:50SYD - LHR
2 stops28h 00mMultiple Airlines
Mon 24/1121:05LHR - SYD
3 stops34h 45mMultiple Airlines
Deal found 9/9$1,392
Wed 22/1012:00SYD - LHR
1 stop40h 40mChina Eastern
Wed 29/1021:00LHR - SYD
1 stop26h 00mChina Eastern
Deal found 11/9$1,393

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 12 September 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

Sun 9/11

22:10-16:55

1 stop29h 45m

London Heathrow

Wed 31/12

21:15-12:15

1 stop28h 00m

$1,484

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 25/11

21:30-14:30

1 stop28h 00m

London Heathrow

Mon 8/12

13:55-06:35

1 stop29h 40m

$1,555

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 10/2

16:35-06:40

1 stop25h 05m

London Heathrow

Tue 3/3

13:55-17:55

1 stop41h 00m

$1,559

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 10/2

16:35-06:40

1 stop25h 05m

London Heathrow

Thu 26/2

08:50-17:55

1 stop22h 05m

$1,559

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 9/2

21:15-22:25

2 stops36h 10m

London Heathrow

Wed 25/2

22:35-19:20

2 stops33h 45m

$1,564

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 8/11

21:15-22:25

2 stops36h 10m

London Heathrow

Tue 25/11

06:35-20:35

2 stops27h 00m

$1,612

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 12/10

21:55-17:00

2 stops29h 05m

London Heathrow

Fri 31/10

06:35-19:20

1 stop25h 45m

$1,651

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 9/2

21:15-14:55

1 stop28h 40m

London Heathrow

Tue 17/2

17:45-06:35

2 stops25h 50m

$1,672

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 15/2

21:15-14:55

2 stops28h 40m

London Heathrow

Tue 3/3

06:35-19:20

2 stops25h 45m

$1,687

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 5/10

21:55-22:25

2 stops34h 30m

London Heathrow

Wed 22/10

06:30-20:00

2 stops27h 30m

$1,828

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 22 results
1
2
3

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 29 August 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.

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.

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 12 September 2025.
Read through reviews of airlines serving the United Kingdom, such as Singapore Airlines, Cathay Pacific, andQantas Airways. 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.
Singapore Airlines
8.1
Very Good
1,365 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.1

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very Good
1,365 reviews
Singapore Airlines
8.1
Very Good
1,365 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.1

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Cathay Pacific
7.6
Good
993 reviews
Singapore Airlines
8.1
Very Good
1,365 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.1

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Qantas Airways
7.5
Good
905 reviews
Singapore Airlines
8.1
Very Good
1,365 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.1

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Etihad Airways
7.4
Good
1,250 reviews
Singapore Airlines
8.1
Very Good
1,365 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.1

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Malaysia Airlines
7.3
Good
278 reviews
Singapore Airlines
8.1
Very Good
1,365 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Overall

8.1

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

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 $59, while return flights cost around $69.

  • How much is a return flight to Heathrow?

    A return flight to Heathrow will typically cost around $170, however they can be found for as little as $46.

  • 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 T2 & T3 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
Hounslow
Salisbury
Horsham
Southall
Chatham
Dover
Dorking
Chertsey

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