Can I get a flight from Hong Kong to London Heathrow Airport on Cathay Pacific for under HK$7,841?

Cathay Pacific offers 11 flights from Hong Kong to London Heathrow Airport for under HK$7,841. Prices vary by date and time. To see all prices and select your dates, click here.

How far ahead should I book a flight from Hong Kong to London Heathrow Airport with Cathay Pacific?

Booking with Cathay Pacific 3 days in advance of your planned departure date is, on average, the best time to get cheap flights from Hong Kong to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Hong Kong to London Heathrow Airport with Cathay Pacific?

Currently, the most affordable month to book a Cathay Pacific flight from Hong Kong to London Heathrow Airport in January, with an average price of HK$7,323. Conversely, traveling with Cathay Pacific from Hong Kong to London Heathrow Airport in June will be the most expensive, with an average cost of HK$9,534. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Weekly Cathay Pacific flight availability from Hong Kong to London Heathrow Airport

The most Cathay Pacific flights from HKG to LHR are scheduled on a Tuesday (5 on average). You will have fewer Cathay Pacific flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

HK$5,386+ Cathay Pacific Flights from Hong Kong to Heathrow

Find Cathay Pacific flight deals from Hong Kong to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest Cathay Pacific flights from Hong Kong to Heathrow
Explore the most affordable Cathay Pacific flight options available from Hong Kong to Heathrow. Find the lowest fares with prices last updated on 22 August 2026.

Mon 24-808:05 -

Nonstop14h 10m

Mon 31-818:20 -

Nonstop12h 50m

Deal found 22-8HK$8,444

Fri 21-813:25 -

Nonstop14h 10m

Fri 28-818:20 -

Nonstop12h 50m

Deal found 19-8HK$8,491

Thu 20-811:05 -

Nonstop14h 05m

Mon 7-912:20 -

Nonstop12h 30m

Deal found 18-8HK$8,554

Can I get a flight from Hong Kong to London Heathrow Airport on Cathay Pacific for under HK$7,841?
Cathay Pacific offers 11 flights from Hong Kong to London Heathrow Airport for under HK$7,841. Prices vary by date and time. To see all prices and select your dates, click here.

Cathay Pacific flights from Hong Kong to Heathrow in 2026

One-way from	HK$5,386
Return from	HK$7,260
Popular in	June
Cheapest in	November
Average price (all airlines)	HK$7,645

Cathay Pacific
21-11
Nonstop
14h 40m total
Hong Kong to London

Search Deals

Cathay Pacific
25-10-1-11
Nonstop
27h 20m total
Hong Kong to London

Search Deals

Highest demand for flights from Hong Kong Intl to London Heathrow; 7% potential price increase.

Search Deals

Best time to find cheap flights from Hong Kong Intl to London Heathrow; 0% potential price drop.

Search Deals

Average price for all Hong Kong Intl to London Heathrow flights (one-way and round-trip).

Search Deals

Prices

Airlines

The best time to book a flight to London Heathrow Airport with Cathay Pacific is 3 days before departure. On average, fares are higher if you book 57 days before departure.

Which month is the cheapest to fly Economy class from Hong Kong to London Heathrow Airport?

For Economy class flights, the cheapest month to fly this route is January. The most expensive months are June and July.

Best time to book a flight from Hong Kong to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Hong Kong with our price prediction graph.

HKG-LHR

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.

Browse thousands of different options on Cheapflights for your next trip

Airlines serving Heathrow

Alternative routes

Complete your trip

Other carriers

Other destinations

Popular flights

Fly from Hong Kong to Heathrow on another airline

British Airways flights from Hong Kong Intl to London Heathrow

Lufthansa flights from Hong Kong Intl to London Heathrow

See what others are saying about Cathay Pacific

Overview

Reviews

Cathay Pacific

7.6

Good

1,455 reviews

Check prices

Overview

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cathay Pacific flights from Hong Kong to London Heathrow Airport (HKG - LHR)

Find Cathay Pacific flight deals from Hong Kong to Heathrow

Cheapest Cathay Pacific flights from Hong Kong to HeathrowExplore the most affordable Cathay Pacific flight options available from Hong Kong to Heathrow. Find the lowest fares with prices last updated on 22 August 2026.

Explore the most affordable Cathay Pacific flight options available from Hong Kong to Heathrow. Find the lowest fares with prices last updated on 22 August 2026.

Best Cathay Pacific flights from Hong Kong to HeathrowDiscover carefully curated Cathay Pacific flight deals from Hong Kong to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Discover carefully curated Cathay Pacific flight deals from Hong Kong to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Direct Cathay Pacific flights from Hong Kong to HeathrowExplore direct Cathay Pacific flight options from Hong Kong to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 22 August 2026.

Explore direct Cathay Pacific flight options from Hong Kong to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 22 August 2026.

Last-minute Cathay Pacific flights from Hong Kong to HeathrowDiscover last-minute Cathay Pacific flight deals from Hong Kong to Heathrow. Data last updated 22 August 2026 and is based on user searches.

Discover last-minute Cathay Pacific flight deals from Hong Kong to Heathrow. Data last updated 22 August 2026 and is based on user searches.

One-way Cathay Pacific flights to HeathrowSearch for one-way Cathay Pacific flight options to Heathrow. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.

Search for one-way Cathay Pacific flight options to Heathrow. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.

Can I get a flight from Hong Kong to London Heathrow Airport on Cathay Pacific for under HK$7,841?

Cathay Pacific flights from Hong Kong to Heathrow in 2026

One-way from

Return from

Popular in

Cheapest in

Average price (all airlines)

When is the best time to book a flight to London Heathrow Airport with Cathay Pacific?

The best time to book a flight to London Heathrow Airport with Cathay Pacific is 3 days before departure. On average, fares are higher if you book 57 days before departure.

Which month is the cheapest to fly Economy class from Hong Kong to London Heathrow Airport?

For Economy class flights, the cheapest month to fly this route is January. The most expensive months are June and July.

Weekly Cathay Pacific flight availability from Hong Kong to London Heathrow Airport

The most Cathay Pacific flights from HKG to LHR are scheduled on a Tuesday (5 on average). You will have fewer Cathay Pacific flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Heathrow by month

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Best time to book a flight from Hong Kong to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Hong Kong with our price prediction graph.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Hong Kong to Heathrow on another airline

Consider alternative airlines that service the Heathrow area. Flight routes are based on user searches made on Cheapflights and were last updated on 22 August 2026.

Other Cathay Pacific flights from Hong Kong

Browse through other Cathay Pacific flights departing from Hong Kong. Flight routes are based on user searches made on Cheapflights and were last updated on 22 August 2026.

Complete your trip

Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

Other airlines serving Hong Kong and Heathrow

Choose from other airlines serving Hong Kong and Heathrow.

Other popular destinations in Europe

If Heathrow is not for you, choose from these other destinations located in Europe. Flight routes are based on user searches made on Cheapflights and were last updated on 22 August 2026.

Popular flights from Cathay Pacific

Browse through some of the most popular routes that Cathay Pacific offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 22 August 2026.

See what others are saying about Cathay Pacific

Overview

Recent reviews

100% Free

Book With Flexibility

Travel Smart

Cheapest Cathay Pacific flights from Hong Kong to Heathrow
Explore the most affordable Cathay Pacific flight options available from Hong Kong to Heathrow. Find the lowest fares with prices last updated on 22 August 2026.

Best Cathay Pacific flights from Hong Kong to Heathrow
Discover carefully curated Cathay Pacific flight deals from Hong Kong to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 August 2026.

Direct Cathay Pacific flights from Hong Kong to Heathrow
Explore direct Cathay Pacific flight options from Hong Kong to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 22 August 2026.

Last-minute Cathay Pacific flights from Hong Kong to Heathrow
Discover last-minute Cathay Pacific flight deals from Hong Kong to Heathrow. Data last updated 22 August 2026 and is based on user searches.

One-way Cathay Pacific flights to Heathrow
Search for one-way Cathay Pacific flight options to Heathrow. Find affordable one-way fares based on user searches. Data last updated 22 August 2026.