For a smooth departure from Heathrow, arrive early to enjoy lounges like the Cathay Pacific lounge with its famous dan dan noodles.

Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $441 (Air China) |
One-way from | $339 (Mytrip) |
Popular in | July |
Cheapest in | November |
Average price | $1,126 |
Good round-trip deal | $923 or less |
Good one-way deal | $628 or less |
Fly from
Fly to
Route
Depart
Return
Price
LondonHong Kong
LHR - HKG
LHRHKG
London Heathrow
Fri 2/6
8:50 am-8:30 am
1 stop15h 40m
Hong Kong Intl
Mon 3/9
7:35 pm-12:05 pm
1 stop24h 30m
LondonHong Kong
LHR - HKG
LHRHKG
London Heathrow
Fri 2/6
8:50 am-8:30 am
1 stop15h 40m
Hong Kong Intl
Fri 3/6
7:35 pm-6:40 am
1 stop19h 05m
LondonHong Kong
LHR - HKG
LHRHKG
London Heathrow
Fri 2/6
8:50 am-8:30 am
1 stop15h 40m
Hong Kong Intl
Sat 3/7
7:35 pm-6:40 am
1 stop19h 05m
LondonHong Kong
LHR - HKG
LHRHKG
London Heathrow
Thu 2/5
2:25 pm-5:45 pm
2 stops19h 20m
Hong Kong Intl
Sun 2/8
11:30 pm-4:40 pm
2 stops25h 10m
LondonHong Kong
LGW - HKG
LGWHKG
London Gatwick
Tue 1/13
2:05 pm-9:40 pm
1 stop23h 35m
Hong Kong Intl
Mon 3/2
6:05 pm-5:55 am
1 stop19h 50m
LondonHong Kong
LGW - HKG
LGWHKG
London Gatwick
Wed 2/18
8:40 am-2:50 pm
1 stop22h 10m
Hong Kong Intl
Wed 3/4
6:05 pm-5:55 am
1 stop19h 50m
LondonHong Kong
LHR - HKG
LHRHKG
London Heathrow
Sun 1/18
2:25 pm-5:45 pm
2 stops19h 20m
Hong Kong Intl
Thu 1/22
11:30 pm-4:40 pm
2 stops25h 10m
LondonHong Kong
LHR - HKG
LHRHKG
London Heathrow
Tue 3/3
9:00 am-5:45 pm
2 stops24h 45m
Hong Kong Intl
Thu 3/19
11:30 pm-4:40 pm
2 stops25h 10m
LondonHong Kong
LGW - HKG
LGWHKG
London Gatwick
Thu 4/30
9:00 am-4:45 pm
1 stop24h 45m
Hong Kong Intl
Wed 5/20
6:15 pm-6:40 am
1 stop19h 25m
LondonHong Kong
LGW - HKG
LGWHKG
London Gatwick
Thu 4/30
9:00 am-4:45 pm
1 stop24h 45m
Hong Kong Intl
Thu 5/14
6:15 pm-1:25 pm
1 stop26h 10m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
Booking 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Hong Kong. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, March is the cheapest month in which you can book a flight from London to Hong Kong (average of $336). Flying from London to Hong Kong in July is currently the most expensive (average of $798). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
A simple way to save on the total cost of your ticket is to fly from London to Hong Kong in the afternoon. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight in the evening.
Travelers seeking maximum savings on their London to Hong Kong flight should consider departing on Thursday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from LON to HKG are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).
Beijing (PEK) – chosen by Cheapflights users on 21% of 1-stop itineraries from London to Hong Kong on Cheapflights.
Beijing (PKX) is the most affordable 1-stop option, with an average round-trip price of $443.
Flights via Zurich (ZRH) have the shortest average one-way travel time for 1-stop routes: 15h 00m.
Flights via Zurich (ZRH) offer the fastest connection on this route, with an average layover time of 1h 03m.
About 13% of weekly flights between London and Hong Kong have experienced delays in the past year, with the average delay time being 158 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Monday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Cathay Pacific have had the lowest number of delays on this route, with just 9% of flights being delayed.
Crew
Boarding
Overall
Entertainment
Comfort
Food
Reviews
Anonymous,Sep 2025
PNH - HKG
Crew
Boarding
Overall
Entertainment
Comfort
Food
Reviews
Anonymous,Sep 2025
PNH - HKG
Crew
Boarding
Overall
Entertainment
Comfort
Food
Reviews
Anonymous,Sep 2025
PNH - HKG
Crew
Boarding
Overall
Entertainment
Comfort
Food
Reviews
Anonymous,Sep 2025
PNH - HKG
Crew
Boarding
Overall
Entertainment
Comfort
Food
Reviews
Anonymous,Sep 2025
PNH - HKG
Crew
Boarding
Overall
Entertainment
Comfort
Food
Reviews
Anonymous,Sep 2025
PNH - HKG
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$402 | Average$619 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$417 | Average$487 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$438 | Average$619 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$443 | Average$831 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$655 | Average$891 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$692 | Average$990 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$730 | Average$950 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$741 | Average$1,054 | FlexibilityNo cancel fee | On-time72% |