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$738+ 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 17/7. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
2 May — 9 May1
1 adult
1 adult, Economy, 0 bags

Flights to Heathrow in 2026

Enter your travel dates to find the best prices.

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 2 April 2026.

Fri 15/515:40
SYD
-
LHR
1 stop30h 05m
Etihad Airways
Fri 22/514:45
LHR
-
SYD
1 stop30h 25m
Etihad Airways
Deal found 31/3$1,348
Wed 8/415:40
SYD
-
LHR
1 stop36h 40m
Etihad Airways
Tue 21/420:45
LHR
-
SYD
1 stop35h 05m
Etihad Airways
Deal found 30/3$1,359
Wed 6/515:40
SYD
-
LHR
1 stop24h 20m
Etihad Airways
Wed 27/514:45
LHR
-
SYD
1 stop41h 05m
Etihad Airways
Deal found 28/3$1,361
Mon 4/515:40
SYD
-
LHR
1 stop24h 20m
Etihad Airways
Wed 6/520:45
LHR
-
SYD
1 stop24h 25m
Etihad Airways
Deal found 30/3$1,362
Fri 8/520:50
SYD
-
LHR
1 stop27h 15m
Etihad Airways
Fri 22/521:45
LHR
-
SYD
1 stop23h 25m
Etihad Airways
Deal found 30/3$1,364
Sat 4/416:40
SYD
-
LHR
1 stop36h 40m
Etihad Airways
Fri 17/409:15
LHR
-
SYD
1 stop22h 35m
Etihad Airways
Deal found 28/3$1,365
Tue 2/621:30
SYD
-
LHR
1 stop30h 15m
Etihad Airways
Tue 9/621:45
LHR
-
SYD
1 stop34h 05m
Etihad Airways
Deal found 30/3$1,366
Wed 13/515:40
SYD
-
LHR
1 stop36h 05m
Etihad Airways
Wed 20/521:45
LHR
-
SYD
1 stop34h 05m
Etihad Airways
Deal found 29/3$1,368
Sun 10/515:40
SYD
-
LHR
1 stop30h 05m
Etihad Airways
Sun 17/520:45
LHR
-
SYD
1 stop24h 25m
Etihad Airways
Deal found 30/3$1,371
Sat 6/621:30
SYD
-
LHR
1 stop26h 35m
Etihad Airways
Sat 27/621:45
LHR
-
SYD
1 stop23h 25m
Etihad Airways
Deal found 1/4$1,374

Find flight deals to Heathrow Airport

Find the latest flights to Heathrow 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 2 April 2026.

Return from

$1,348

One-way from

$740

Popular in

December

Cheapest in

February

Average price

$1,906

Good round-trip deal

$2,669 or less

Good one-way deal

$1,667 or less
Etihad Airways
  • Etihad Airways
  • 15/5-22/5
  • 2 total stops
  • 60h 30m total
  • Sydney to London
Search Deals
Etihad Airways
  • Etihad Airways
  • 14/5
  • 1 total stop
  • 27h 15m total
  • Sydney to London
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($178 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($53 potential savings vs. average return price).
Search Deals
Average for return flights in April 2026
Search Deals
Price to beat on a round-trip flight from Sydney Kingsford Smith to London Heathrow.
Search Deals
Price to beat on a one-way flight from Sydney Kingsford Smith to London Heathrow.
Search Deals

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 2 April 2026.
Use the filters below to find and compare flights to London Heathrow Airport that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Fri 24/7

15:40-12:45

1 stop30h 05m

London Heathrow

Sat 8/8

21:45-06:10

1 stop23h 25m

$1,922

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 12/5

10:15-16:55

2 stops39h 40m

London Heathrow

Sun 7/6

19:50-08:15

2 stops27h 25m

$2,051

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 19/4

14:45-12:25

2 stops30h 40m

London Heathrow

Tue 12/5

09:05-06:25

2 stops36h 20m

$2,125

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 28/4

10:20-12:25

2 stops35h 05m

London Heathrow

Tue 5/5

22:15-06:25

2 stops47h 10m

$2,128

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 15/6

14:15-17:50

2 stops36h 35m

London Heathrow

Mon 28/9

18:55-08:15

2 stops52h 20m

$2,190

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 27/5

14:15-16:55

2 stops35h 40m

London Heathrow

Thu 11/6

18:55-08:15

1 stop28h 20m

$2,256

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sat 25/4

22:10-06:30

2 stops41h 20m

London Heathrow

Fri 1/5

08:25-09:40

2 stops40h 15m

$2,414

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 16/9

14:45-12:25

2 stops30h 40m

London Heathrow

Sat 10/10

14:25-07:45

2 stops31h 20m

$2,454

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 6/9

18:45-16:30

2 stops30h 45m

London Heathrow

Sat 17/10

21:10-11:45

1 stop28h 35m

$2,507

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 24/6

10:15-16:55

1 stop39h 40m

London Heathrow

Sun 5/7

19:50-08:15

2 stops51h 25m

$2,546

Flights are sorted by cheapest return flights first.

Deals found on 1/4

Showing 1-10 of 24 resultsSorted by cheapest first
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 2 April 2026.

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 51 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 2 April 2026.
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
8.2
Very Good
1,487 reviews
Check prices

Boarding

8.3

Overall

8.2

Food

7.8

Comfort

8.0

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Singapore Airlines
8.2
Very Good
1,487 reviews
Singapore Airlines
8.2
Very Good
1,487 reviews
Check prices

Boarding

8.3

Overall

8.2

Food

7.8

Comfort

8.0

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Cathay Pacific
7.6
Good
1,239 reviews
Singapore Airlines
8.2
Very Good
1,487 reviews
Check prices

Boarding

8.3

Overall

8.2

Food

7.8

Comfort

8.0

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Qantas Airways
7.5
Good
1,016 reviews
Singapore Airlines
8.2
Very Good
1,487 reviews
Check prices

Boarding

8.3

Overall

8.2

Food

7.8

Comfort

8.0

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
China Southern
7.4
Good
146 reviews
Singapore Airlines
8.2
Very Good
1,487 reviews
Check prices

Boarding

8.3

Overall

8.2

Food

7.8

Comfort

8.0

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.
Etihad Airways
7.3
Good
1,432 reviews
Singapore Airlines
8.2
Very Good
1,487 reviews
Check prices

Boarding

8.3

Overall

8.2

Food

7.8

Comfort

8.0

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

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 $164.

  • How much is a return flight to Heathrow?

    A return flight to Heathrow will typically cost around $2,271, however they can be found for as little as $164.

  • 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. 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Kingston upon Thames
Salisbury
Horsham
Southall
Chatham
Aylesbury
Dover
Braintree
Gatwick
Chertsey

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Why should you use Cheapflights to find cheap flight tickets to Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights to Heathrow with no change fees?

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.

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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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