Cheapest airlines flights from Hong Kong to London

You can choose from 19 airlines that fly from Hong Kong to London, including Cathay Pacific, Air China, and Etihad Airways. Cathay Pacific has lowest fares on this route.
Cathay Pacific logo Cathay Pacific
Air China logo Air China
Etihad Airways logo Etihad Airways
China Eastern Airlines logo China Eastern Airlines
Qatar Airways logo Qatar Airways
Emirates logo Emirates
SWISS logo SWISS
British Airways logo British Airways
Hainan Airlines logo Hainan Airlines
Thai Airways logo Thai Airways
Singapore Airlines logo Singapore Airlines
Turkish Airlines logo Turkish Airlines
Finnair logo Finnair
Lufthansa logo Lufthansa
Japan Airlines logo Japan Airlines
Asiana Airlines logo Asiana Airlines
China Southern Airlines logo China Southern Airlines
Korean Air logo Korean Air
Hong Kong Airlines logo Hong Kong Airlines
Airlines are determined based on actual purchased flight tickets from Hong Kong to London according to previous 12 months data from Trip.com.

Search for direct flights from Hong Kong to London in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$651, and round-trip direct flights start at US$1,121.

Displayed flight fares from Hong Kong to London are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Hong Kong to London Flight Details

The distance between Hong Kong and London is about 9,623.81 km. The average flying time from Hong Kong to London is around 14 hours 11 minutes. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is November.

Cheapest one-way flight priceUS$259
Cheapest return ticket priceUS$574
Cheapest monthNovember
Peak season for travelJuly
Flight distance9,623.81 km
Average flight time14 hours 11 minutes
Popular airlineCathay Pacific
Flight statistics for the Hong Kong–London route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Hong Kong to London

Which month has the cheapest one-way flights from Hong Kong to London?

Average monthly one-way flight prices from Hong Kong to London, based on bookings made by Trip.com users over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Hong Kong to London is March, with an average price of US$230; while the month with the highest flight price is usually August, with an average price of up to US$388.

US$388
US$309
US$230
US$151
    Cheapest
  • US$304
    Jun
  • US$314
    Jul
  • US$388
    Aug
  • US$344
    Sep
  • US$295
    Oct
  • US$302
    Nov
  • US$250
    Dec
  • US$323
    Jan
  • US$290
    Feb
  • US$230
    Mar
  • US$311
    Apr
  • US$236
    May

Which month has the cheapest round-trip flights from Hong Kong to London?

The average price of round-trip flights from Hong Kong to London purchased by Trip.com users by month over the past 12 months.

Based on data from Trip.com, the lowest prices for round-trip flights from Hong Kong to London are found during May, with an average price of US$629. Conversely, the highest prices are found during September, with an average price of up to US$866.

US$866
US$748
US$629
US$511
    Cheapest
  • US$772
    Jun
  • US$700
    Jul
  • US$739
    Aug
  • US$866
    Sep
  • US$789
    Oct
  • US$792
    Nov
  • US$685
    Dec
  • US$830
    Jan
  • US$778
    Feb
  • US$704
    Mar
  • US$802
    Apr
  • US$629
    May

Frequently Asked Questions

  • What are the cheapest flights from Hong Kong to London (HKG-LON)?

    Based on Trip.com data, Air China offers one-way fares as low as US$259 on Cheapest nonstop routes (e.g. HKG to LHR on Mon, Jun 22), while Air China offers Cheapest nonstop round-trips from US$574 departing on Mon, Jun 22 and returning on Sun, Jun 28.
  • At the moment, you can catch a nonstop flight from Hong Kong to London with the following airlines, including: Cathay Pacific British Airways Hainan Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 14 hours 11 minutes to fly from Hong Kong to London.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Hong Kong to London is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 35 flight per week flying from Hong Kong to London. You can check the weekly schedule for popular airlines on this route below: Cathay Pacific: S/M/T/W/T/F/S -- CX251 (23:10) Cathay Pacific: S/M/T/W/T/F/S -- CX255 (23:53)
  • To find best deals on flights from Hong Kong to London, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Jun 22, with one-way flights priced at just US$259.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Cathay Pacific.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for London travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Hong Kong to London is November, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Hong Kong to London on June 15, 2026 with Air China, with prices starting at US$545.
  • You can land at any one of the following hubs in London, with Hong Kong International Airport to Heathrow Airport (HKG-LHR) is by far the most common option on this route: London City Airport (LCY) London Gatwick Airport (LGW) Heathrow Airport (LHR) London Luton Airport (LTN) London Southend Airport (SEN) London Stansted Airport (STN).
  • The time difference between London and Hong Kong is 8h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Flights from Hong Kong to London

Overview of Flights from Hong Kong to London

Flights from Hong Kong to London are some of the most popular and vital connections on the global travel map.

The average one-way cost for flights from Hong Kong to London hovers around $700 to $900, while a round-trip ticket can range from $1200 to $1500, depending on the season and airline. The flight distance between Hong Kong International Airport (HKG) and London Heathrow Airport (LHR) spans approximately 5,992 (9,600 kilometers) miles, making it a substantial journey across continents. The flight duration typically clocks in at around 11 to 13 hours, depending on the specific route, layovers, and weather conditions.

Airlines flying from Hong Kong (HKG) to London Heathrow Airport (LHR)

Airline type

Are there direct flights from Hong Kong (HKG) to London Heathrow Airport (LHR)?

Cathay Pacific Airways

Traditional airlines

Nonstop

British Airways

Traditional airlines

Nonstop

Major Airport in Hong Kong and Transportation

Hong Kong International Airport (HKG)

Situated on Chek Lap Kok Island, HKG is the primary airport serving the city. It comprises two terminals, Terminal 1 and Terminal 2, both well-equipped to meet the needs of diverse travelers. Terminal 1, the larger of the two, offers services such as free Wi-Fi, baggage services, and charging stations. The airport's address is 1 Sky Plaza Rd, Chek Lap Kok, Hong Kong. Travelers transferring between terminals can utilize the automated people mover (APM) system, ensuring a seamless transition.

For those needing to move between terminals at HKG, the Airport Express train is a swift and convenient option, taking approximately 2 minutes. Alternatively, shuttle buses operate regularly, providing a quick and efficient means of transfer.

Transportation Options from Downtown to Airport

Method

Time

Price

Heathrow Express

About 15 minutes

Peak single: $31.25

Off-peak single: $27.50

Round-trip: $46.25

Heathrow Train

About 30 minutes

Peak single: $13.88

Off-peak single: $13.00

London Underground (Tube)

About 60 minutes (depending on destination)

Using Oyster Card (Zone 6-1):

Peak single: $6.63

Off-peak single: $4.13

Cash purchase: $7.50

Airport Bus

About 60 minutes

Single from about $6.25

Taxi / Uber

About 30–60 minutes (depending on destination)

Varies by destination

Airport charter

About 30–60 minutes (depending on destination)

Varies by destination

Major Airports in London and Transportation

London, a bustling metropolis, is served by two major airports, each playing a crucial role in connecting the city to the world.

Heathrow Airport (LHR)

Heathrow, located about 15 miles (24 kilometers) west of Central London, is one of the busiest airports in the world. With four terminals (Terminals 2, 3, 4, and 5), Heathrow offers a range of amenities including free Wi-Fi, baggage services, and charging stations. For seamless transfers between terminals, the Heathrow Express train is a popular choice, taking approximately 20 minutes.

Transportation Options from Downtown to Airport

Multiple transportation options connect Heathrow to Central London. The Heathrow Express offers a swift 15-minute journey, with fares ranging from $25 to $35. Taxis provide a door-to-door service, taking approximately 40 minutes and costing around $70 to $90. London's extensive public transportation network includes the Piccadilly Line on the Underground, taking approximately 50 minutes and costing $5 to $10 USD.

Gatwick Airport (LGW)

Gatwick, approximately 28 miles (45 kilometers) south of Central London, is the second major airport serving the city. It handles a mix of domestic and international flights. With two terminals (North and South), Gatwick provides essential services such as free Wi-Fi, baggage assistance, and charging facilities.

Transportation Options from Downtown to Airport

For transportation from Gatwick to Central London, the Gatwick Express train is a popular choice, taking around 30 minutes and costing $20 to $30 USD. Taxis offer a 1-hour journey, with fares ranging from $90 to $120 USD. Coaches and buses are also available, taking approximately 1.5 hours and costing $15 to $25 USD.

Both Heathrow and Gatwick airports, with their extensive facilities and transportation options, serve as vital gateways to London, ensuring a smooth transition for travelers arriving in or departing from this vibrant city.

Best Time to Book Flights from Hong Kong to London

For budget-conscious travelers, the cheapest month to book flights from Hong Kong to London is typically November. During this period, post-summer demand decreases, and airlines often offer more affordable fares. Take advantage of lower prices for a cost-effective journey.

Conversely, the most expensive month tends to be July. As the summer peak season unfolds, increased demand, favorable weather, and various events contribute to higher ticket prices. If flexibility allows, consider alternatives to secure a more economical fare. Explore specific details and up-to-date information on Trip.com for a well-informed booking experience.

Tips for Traveling to London

● Currency: Familiarize yourself with the British Pound Sterling (£), the local currency used in London.

● Visa: Check visa requirements well in advance and ensure all necessary documents are in order for entry.

● Time Difference: Be aware of the time difference between Hong Kong and London (usually around 8 hours).

● Local Customs: Respect local customs, including queue etiquette and polite manners.

● Local Embassy: Note the location of the Hong Kong Embassy in London for assistance if needed.

These tips ensure a smooth transition for first-time visitors to London, enhancing their travel experience.

Explore London

● The British Museum: Immerse yourself in world history and culture with artifacts spanning centuries.

● Buckingham Palace: Witness the Changing of the Guard ceremony and admire the grandeur of the royal residence.

● The Tower of London: Explore this historic fortress, home to the Crown Jewels and a rich past.

● The London Eye: Enjoy panoramic views of the city from this iconic observation wheel.

● Westminster Abbey: Marvel at the stunning architecture and rich history of this renowned church.

Transportation within the City

● London Underground (Tube): Navigate the city efficiently with an extensive subway network.

● Buses: Experience the iconic red double-decker buses for a scenic city tour.

● Black Cabs: Hail a traditional London taxi for a convenient and classic way to travel.

● River Thames Boats: Explore London from the water, with river cruises offering unique perspectives of the city.

London's attractions and diverse transportation options ensure a memorable and accessible exploration of this vibrant metropolis.

Trip.com Airline Insights on Flights from Hong Kong to London

Which airline offers the cheapest direct flights from Hong Kong to London?

Data is based on the average price of all nonstop flights from Hong Kong to London on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, China Eastern Airlines provides the lowest-priced direct flights from Hong Kong to London, with fares starting at US$592.

US$394
US$592
US$790
US$988
US$1,186
China Eastern Airlines
US$592
China Eastern Airlines
Turkish Airlines
US$597
Turkish Airlines
Air China
US$617
Air China
Qatar Airways
US$732
Qatar Airways
British Airways
US$1,081
British Airways
Cathay Pacific
US$1,186
Cathay Pacific

Which airline operates the most flights from Hong Kong to London?

Total flights from Hong Kong to London across all airlines. (Based on Trip.com data from the past month)

Based on Trip.com’s data from the past month, Cathay Pacific operates the most frequent flights from Hong Kong to London, with 37 flights per week.

0
7
22
37
Cathay Pacific
37
Cathay Pacific
Iberia
7
Iberia
British Airways
7
British Airways

How many flights fly from Hong Kong to London daily?

The data is based on the flight numbers for each day of the week from Hong Kong to London within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from Hong Kong to London is the highest on Saturday and the lowest on Monday.

38
31
24
17
Highest
24
Mon
26
Tue
26
Wed
28
Thu
35
Fri
38
Sat
28
Sun

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.