HK$2,123+ 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 23-12. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
8 Dec — 15 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals to Heathrow Airport

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 8 November 2025.

Sun 23-1114:35HKG - LHR
1 stop33h 20mAir China
Sun 30-1120:25LHR - HKG
1 stop17h 25mAir China
Deal found 7-11HK$4,596
Sun 14-1207:40HKG - LHR
1 stop17h 50mMultiple Airlines
Thu 30-422:00LHR - HKG
1 stop30h 50mMultiple Airlines
Deal found 7-11HK$4,619
Mon 15-1209:35HKG - LHR
1 stop15h 55mMultiple Airlines
Fri 9-121:00LHR - HKG
2 stops41h 45mMultiple Airlines
Deal found 5-11HK$4,627
Sat 22-1116:10HKG - LHR
1 stop33h 45mMultiple Airlines
Wed 26-1120:25LHR - HKG
1 stop17h 25mMultiple Airlines
Deal found 7-11HK$4,642
Tue 25-1123:30HKG - LHR
2 stops25h 10mSWISS
Mon 1-1220:05LHR - HKG
1 stop37h 40mSWISS
Deal found 6-11HK$4,650
Wed 24-1222:40HKG - LHR
1 stop23h 05mAir France
Wed 7-114:45LHR - HKG
1 stop19h 45mAir France
Deal found 6-11HK$4,666
Sat 22-1120:55HKG - LHR
1 stop29h 00mMultiple Airlines
Sat 29-1121:35LHR - HKG
1 stop30h 30mMultiple Airlines
Deal found 6-11HK$4,674
Sat 8-1120:55HKG - LHR
1 stop29h 00mMultiple Airlines
Sat 15-1121:35LHR - HKG
1 stop34h 20mMultiple Airlines
Deal found 6-11HK$4,689
Thu 4-1220:15HKG - LHR
1 stop29h 35mAir China
Thu 11-1221:35LHR - HKG
1 stop30h 30mAir China
Deal found 6-11HK$4,712
Sat 15-1120:55HKG - LHR
1 stop29h 00mMultiple Airlines
Wed 19-1117:40LHR - HKG
1 stop15h 05mMultiple Airlines
Deal found 7-11HK$4,720
Sun 7-1217:50HKG - LHR
1 stop30h 05mAir China
Thu 11-1221:35LHR - HKG
1 stop34h 20mAir China
Deal found 7-11HK$4,728

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 70,647 searches and data was last updated on 8 November 2025.

Return from

HK$4,596

One-way from

HK$2,123

Popular in

April

Cheapest in

February

Average price

HK$5,995

Good round-trip deal

HK$6,454 or less

Good one-way deal

HK$4,910 or less
Hainan Airlines
  • Hainan Airlines
  • 18-11-6-2
  • 3 total stops
  • 70h 55m total
  • Hong Kong to London
Hainan Airlines
  • Hainan Airlines
  • 23-12
  • 1 total stop
  • 32h 10m total
  • Hong Kong to London
Highest demand for flights based on searches. 2% potential increase in price.
Cheapest flight prices on average. 1% potential price decrease (HK$69 potential savings vs. average return price).
Average for return flights in November 2025
Price to beat on a round-trip flight from Hong Kong Intl to London Heathrow.
Price to beat on a one-way flight from Hong Kong Intl to London Heathrow.

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 70,647 searches and data was last updated on 8 November 2025.
Use the filters below to find and compare flights to London Heathrow Airport that are best for you.

Fly from

Hong Kong

Route

Departure

Return

Price

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Mon 16-2

23:30-08:05

1 stop16h 35m

London Heathrow

Mon 16-3

18:40-17:45

1 stop15h 05m

HK$5,140

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Wed 11-2

14:10-05:55

1 stop23h 45m

London Heathrow

Mon 23-2

09:10-12:25

1 stop19h 15m

HK$5,210

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Tue 31-3

20:55-20:40

1 stop30h 45m

London Heathrow

Sun 12-4

16:10-17:45

1 stop18h 35m

HK$5,327

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Sun 14-12

23:30-16:40

2 stops25h 10m

London Heathrow

Thu 30-4

14:25-16:40

2 stops19h 15m

HK$5,381

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Mon 16-2

23:30-08:05

1 stop16h 35m

London Heathrow

Sun 15-3

17:30-16:25

1 stop14h 55m

HK$5,428

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Mon 16-2

23:30-16:40

2 stops25h 10m

London Heathrow

Sun 15-3

20:05-17:45

1 stop37h 40m

HK$5,692

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Thu 12-3

22:45-05:35

Nonstop14h 50m

London Heathrow

Thu 19-3

17:55-14:50

Nonstop12h 55m

HK$5,786

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Mon 8-12

22:45-05:35

Nonstop14h 50m

London Heathrow

Mon 12-1

17:55-14:50

Nonstop12h 55m

HK$5,793

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Thu 25-12

22:45-05:35

Nonstop14h 50m

London Heathrow

Wed 7-1

17:55-14:50

Nonstop12h 55m

HK$5,809

Hong KongLondon

HKG - LHR

HKGLHR

Hong Kong Intl

Thu 16-4

20:55-20:40

1 stop30h 45m

London Heathrow

Thu 2-7

07:30-17:40

1 stop27h 10m

HK$6,050

Flights are sorted by cheapest return flights first.

Deals found on 7-11

Showing 1-10 of 23 results
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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 Hong Kong to Heathrow. Price data was last updated on 7 November 2025.

Booking 36 days in advance of your planned departure date is, on average, the best time to get cheap flights to Heathrow. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

When is the cheapest time to fly to Heathrow?

Use this chart to determine the cheapest time to fly return from Hong Kong to Heathrow. Price data was last updated on 2 November 2025.

Users looking for the lowest fares to Heathrow should consider flying on Monday afternoons, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday 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 8 November 2025.
See what other customers who have flown with Cathay Pacific, Finnair, andSWISS to the United Kingdom have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.6

Crew

8.1

Food

7.3

Boarding

7.9

Comfort

7.6

Entertainment

7.8

Reviews

1 / 20
8.0
Excellent

Mei Lin,Sept 2025

HKG - LHR

Overall, it was good. The flight was smooth, and the service was good. Unfortunately, the food was mediocre. The toilet could have been in a better condition throughout the flight.

Overall

7.6

Crew

8.1

Food

7.3

Boarding

7.9

Comfort

7.6

Entertainment

7.8

Reviews

1 / 20
8.0
Excellent

Mei Lin,Sept 2025

HKG - LHR

Overall, it was good. The flight was smooth, and the service was good. Unfortunately, the food was mediocre. The toilet could have been in a better condition throughout the flight.

Overall

7.6

Crew

8.1

Food

7.3

Boarding

7.9

Comfort

7.6

Entertainment

7.8

Reviews

1 / 20
8.0
Excellent

Mei Lin,Sept 2025

HKG - LHR

Overall, it was good. The flight was smooth, and the service was good. Unfortunately, the food was mediocre. The toilet could have been in a better condition throughout the flight.

Overall

7.6

Crew

8.1

Food

7.3

Boarding

7.9

Comfort

7.6

Entertainment

7.8

Reviews

1 / 20
8.0
Excellent

Mei Lin,Sept 2025

HKG - LHR

Overall, it was good. The flight was smooth, and the service was good. Unfortunately, the food was mediocre. The toilet could have been in a better condition throughout the flight.

Overall

7.6

Crew

8.1

Food

7.3

Boarding

7.9

Comfort

7.6

Entertainment

7.8

Reviews

1 / 20
8.0
Excellent

Mei Lin,Sept 2025

HKG - LHR

Overall, it was good. The flight was smooth, and the service was good. Unfortunately, the food was mediocre. The toilet could have been in a better condition throughout the flight.

Overall

7.6

Crew

8.1

Food

7.3

Boarding

7.9

Comfort

7.6

Entertainment

7.8

Reviews

1 / 20
8.0
Excellent

Mei Lin,Sept 2025

HKG - LHR

Overall, it was good. The flight was smooth, and the service was good. Unfortunately, the food was mediocre. The toilet could have been in a better condition throughout the flight.

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, SWISS 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 HK$488, while return flights cost around HK$1,040.

  • How much is a return flight to Heathrow?

    A return flight to Heathrow will typically cost around HK$5,915, however they can be found for as little as HK$1,040.

  • Does London Heathrow have rental cars?

    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 Airport Terminal 2-3 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
Kingston upon Thames
Slough
Buckingham
Gatwick
Richmond
Wembley
Hatfield
Guildford
Maidstone
Northampton
Enfield
Luton
Swindon
Croydon
Hounslow
Newmarket
Southall
Royal Tunbridge Wells

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Fly with Cheapflights

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How does Cheapflights help users find flights to Heathrow?

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

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Can Cheapflights find flights to Heathrow with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights to Heathrow, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Heathrow flights today and get alerted when prices change. To subscribe and begin receiving alerts, click the bell icon next to the flight deals above and provide your email address.

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