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$606+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
18 Apr — 25 Apr1
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 19 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
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
Sat 23/519:40
SYD
-
LHR
1 stop33h 45m
Air China
Fri 12/622:40
LHR
-
SYD
1 stop31h 10m
Air China
Deal found 15/3$1,210
Wed 10/611:00
SYD
-
LHR
1 stop40h 40m
China Eastern
Wed 17/621:20
LHR
-
SYD
1 stop26h 40m
China Eastern
Deal found 16/3$1,215
Wed 20/511:00
SYD
-
LHR
1 stop40h 40m
China Eastern
Wed 3/621:20
LHR
-
SYD
1 stop30h 15m
China Eastern
Deal found 16/3$1,217
Tue 9/611:00
SYD
-
LHR
1 stop40h 40m
China Eastern
Wed 17/621:20
LHR
-
SYD
1 stop26h 40m
China Eastern
Deal found 15/3$1,220
Thu 14/519:40
SYD
-
LHR
1 stop31h 00m
Air China
Thu 4/622:40
LHR
-
SYD
1 stop31h 10m
Air China
Deal found 16/3$1,227
Sun 3/510:05
SYD
-
LHR
2 stops41h 35m
China Eastern
Mon 18/521:20
LHR
-
SYD
1 stop30h 15m
China Eastern
Deal found 16/3$1,228
Wed 10/610:05
SYD
-
LHR
2 stops41h 35m
China Eastern
Tue 16/621:20
LHR
-
SYD
1 stop26h 40m
China Eastern
Deal found 16/3$1,230
Thu 14/519:40
SYD
-
LHR
1 stop33h 45m
Air China
Fri 29/522:40
LHR
-
SYD
1 stop31h 10m
Air China
Deal found 16/3$1,231

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 19 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
Search Deals
Tianjin Airlines
  • Tianjin Airlines
  • 5/5
  • 1 total stop
  • 35h 40m total
  • Sydney to London
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($179 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($52 potential savings vs. average return price).
Search Deals
Average for return flights in March 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 19 March 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

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 17/6

11:00-18:40

1 stop40h 40m

London Heathrow

Sat 24/10

21:20-10:00

1 stop26h 40m

$1,482

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 1/6

20:30-18:40

1 stop31h 10m

London Heathrow

Mon 22/6

21:20-12:35

1 stop30h 15m

$1,498

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Sun 13/9

22:10-16:30

1 stop27h 20m

London Heathrow

Wed 30/9

21:10-10:45

1 stop28h 35m

$1,601

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Thu 21/5

22:10-16:30

1 stop27h 20m

London Heathrow

Mon 8/6

21:10-10:45

1 stop28h 35m

$1,619
Fastest return journey

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 5/5

15:40-07:00

1 stop24h 20m

London Heathrow

Fri 19/6

20:50-06:10

1 stop24h 20m

$1,630

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 19/5

21:05-16:40

2 stops28h 35m

London Heathrow

Sat 23/5

06:30-19:10

2 stops27h 40m

$1,636

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Tue 19/5

15:40-12:45

1 stop30h 05m

London Heathrow

Sat 23/5

20:45-06:10

1 stop24h 25m

$1,739

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Mon 6/7

22:10-16:30

1 stop27h 20m

London Heathrow

Mon 14/9

21:10-16:25

2 stops34h 15m

$1,830

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

$1,951

SydneyLondon

SYD - LHR

SYDLHR

Sydney Kingsford Smith

Wed 17/6

11:40-15:10

2 stops36h 30m

London Heathrow

Mon 29/6

22:40-19:10

2 stops35h 30m

$2,088

Flights are sorted by cheapest return flights first.

Deals found on 14/3

Showing 1-10 of 22 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 13 March 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 19 March 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
1,480 reviews
Check prices

Crew

8.6

Entertainment

8.1

Boarding

8.3

Comfort

8.0

Food

7.8

Overall

8.2

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
1,480 reviews
Singapore Airlines
8.2
Very Good
1,480 reviews
Check prices

Crew

8.6

Entertainment

8.1

Boarding

8.3

Comfort

8.0

Food

7.8

Overall

8.2

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
1,216 reviews
Singapore Airlines
8.2
Very Good
1,480 reviews
Check prices

Crew

8.6

Entertainment

8.1

Boarding

8.3

Comfort

8.0

Food

7.8

Overall

8.2

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
1,006 reviews
Singapore Airlines
8.2
Very Good
1,480 reviews
Check prices

Crew

8.6

Entertainment

8.1

Boarding

8.3

Comfort

8.0

Food

7.8

Overall

8.2

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
142 reviews
Singapore Airlines
8.2
Very Good
1,480 reviews
Check prices

Crew

8.6

Entertainment

8.1

Boarding

8.3

Comfort

8.0

Food

7.8

Overall

8.2

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
1,428 reviews
Singapore Airlines
8.2
Very Good
1,480 reviews
Check prices

Crew

8.6

Entertainment

8.1

Boarding

8.3

Comfort

8.0

Food

7.8

Overall

8.2

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 $51, while return flights cost around $159.

  • How much is a return flight to Heathrow?

    A return flight to Heathrow will typically cost around $640, however they can be found for as little as $159.

  • 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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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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