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 | $475 (Mytrip) |
One-way from | $337 (Mytrip) |
Popular in | July |
Cheapest in | November |
Average price | $838 |
Good round-trip deal | $900 or less |
Good one-way deal | $903 or less |
Fly from
Fly to
Route
Depart
Return
Price
LondonHong Kong
LGW - HKG
LGWHKG
London Gatwick
Tue 3/17
10:30 am-7:20 pm
1 stop24h 50m
Hong Kong Intl
Thu 3/19
7:40 am-2:00 pm
1 stop38h 20m
LondonHong Kong
LHR - HKG
LHRHKG
London Heathrow
Sun 3/1
9:00 pm-9:05 pm
1 stop16h 05m
Hong Kong Intl
Tue 3/3
12:30 pm-5:30 pm
1 stop37h 00m
LondonHong Kong
LHR - HKG
LHRHKG
London Heathrow
Sun 3/1
8:05 pm-5:45 pm
1 stop37h 40m
Hong Kong Intl
Tue 3/3
11:30 pm-6:40 pm
2 stops27h 10m
LondonHong Kong
LHR - HKG
LHRHKG
London Heathrow
Thu 12/4
5:10 pm-5:45 pm
1 stop16h 35m
Hong Kong Intl
Mon 12/8
11:30 pm-4:40 pm
2 stops25h 10m
LondonHong Kong
LGW - HKG
LGWHKG
London Gatwick
Thu 3/19
10:30 am-8:15 pm
3 stops25h 45m
Hong Kong Intl
Mon 3/23
8:20 pm-2:00 pm
1 stop25h 40m
LondonHong Kong
LHR - HKG
LHRHKG
London Heathrow
Sun 2/15
4:30 pm-4:25 pm
1 stop15h 55m
Hong Kong Intl
Sun 2/22
11:30 pm-8:05 am
1 stop16h 35m
LondonHong Kong
LHR - HKG
LHRHKG
London Heathrow
Mon 11/24
9:00 am-5:45 pm
2 stops24h 45m
Hong Kong Intl
Tue 12/16
11:30 pm-4:40 pm
2 stops25h 10m
LondonHong Kong
LHR - HKG
LHRHKG
London Heathrow
Mon 11/24
9:00 am-5:45 pm
2 stops24h 45m
Hong Kong Intl
Mon 12/1
11:30 pm-1:40 pm
2 stops22h 10m
LondonHong Kong
LGW - HKG
LGWHKG
London Gatwick
Mon 4/20
2:55 pm-3:10 pm
1 stop17h 15m
Hong Kong Intl
Tue 5/12
1:25 am-1:25 pm
1 stop19h 00m
LondonHong Kong
LHR - HKG
LHRHKG
London Heathrow
Thu 3/5
2:25 pm-5:45 pm
2 stops19h 20m
Hong Kong Intl
Thu 3/19
11:30 pm-4:40 pm
2 stops25h 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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 $337). Flying from London to Hong Kong in July is currently the most expensive (average of $803). 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 22% on your trip compared to booking a flight in the morning.
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).
New Delhi (DEL) – chosen by Cheapflights users on 23% 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 $442.
Flights via Zurich (ZRH) have the shortest average one-way travel time for 1-stop routes: 14h 53m.
Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average layover time of 1h 20m.
Overall
Comfort
Entertainment
Food
Boarding
Crew
Reviews
Anonymous,Sep 2025
PNH - HKG
Overall
Comfort
Entertainment
Food
Boarding
Crew
Reviews
Anonymous,Sep 2025
PNH - HKG
Overall
Comfort
Entertainment
Food
Boarding
Crew
Reviews
Anonymous,Sep 2025
PNH - HKG
Overall
Comfort
Entertainment
Food
Boarding
Crew
Reviews
Anonymous,Sep 2025
PNH - HKG
Overall
Comfort
Entertainment
Food
Boarding
Crew
Reviews
Anonymous,Sep 2025
PNH - HKG
Overall
Comfort
Entertainment
Food
Boarding
Crew
Reviews
Anonymous,Sep 2025
PNH - HKG
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$402 | Average$618 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$432 | Average$546 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$434 | Average$639 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$443 | Average$897 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$622 | Average$976 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$655 | Average$891 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$692 | Average$990 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$722 | Average$780 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$730 | Average$952 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$741 | Average$1,048 | FlexibilityNo cancel fee | On-time72% |