How do most travelers feel about China Southern?

When planning your LHR-HAN trip, keep in mind that China Southern is typically rated 7.4/10. This rating comes from 174 reviews by Cheapflights users who have traveled with China Southern.

Can I get a flight from London Heathrow Airport to Hanoi on China Southern for under £810?

Cheapflights users have found 7 China Southern flights for under £810 on the LHR-HAN route. Prices on flights to Hanoi from London Heathrow Airport can vary based on many factors including dates. To look at price based on your preferred dates, click here.

How far ahead should I book a flight from London Heathrow Airport to Hanoi with China Southern?

Booking with China Southern 31 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Hanoi. 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 London Heathrow Airport to Hanoi with China Southern?

Currently, the most affordable month to book a China Southern flight from London Heathrow Airport to Hanoi in September, with an average price of £477. Conversely, traveling with China Southern from London Heathrow Airport to Hanoi in August will be the most expensive, with an average cost of £796. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

In terms of precipitation, rainfall in Hanoi ranges from 14.0 - 296.0 inches per month. August is typically the wettest month, when rainfall can reach 296.0 mm. December is typically the driest time to visit Hanoi when rainfall is around 14.0 mm.

If weather is an important factor for your trip to Hanoi, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.0 C).

£264+ China Southern Flights from Heathrow to Hanoi

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Cheapest China Southern flights from Heathrow to Hanoi
Explore the most affordable China Southern flight options available from Heathrow to Hanoi. Find the lowest fares with prices last updated on 20 August 2026.

Sun 20/922:10 -

1 stop18h 50m

Sat 17/1008:15 -

1 stop17h 05m

Deal found 18/8£451

Mon 21/922:10 -

1 stop18h 50m

Wed 14/1008:15 -

1 stop17h 05m

Deal found 19/8£480

Sat 19/922:10 -

1 stop34h 35m

Sun 4/1019:45 -

2 stops28h 20m

Deal found 19/8£486

How do most travelers feel about China Southern?
When planning your LHR-HAN trip, keep in mind that China Southern is typically rated 7.4/10. This rating comes from 174 reviews by Cheapflights users who have traveled with China Southern.
Can I get a flight from London Heathrow Airport to Hanoi on China Southern for under £810?
Cheapflights users have found 7 China Southern flights for under £810 on the LHR-HAN route. Prices on flights to Hanoi from London Heathrow Airport can vary based on many factors including dates. To look at price based on your preferred dates, click here.

China Southern flights from Heathrow to Hanoi in 2026

One-way from	£264
Return from	£421
Popular in	December
Cheapest in	November
Average price (all airlines)	£776

China Southern
13/9
1 total stop
18h 50m total
London to Hanoi

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China Southern
20/10-10/11
2 total stops
36h 10m total
London to Hanoi

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Highest demand for flights from London Heathrow to Hanoi Noibai; 3% potential price increase.

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Best time to find cheap flights from London Heathrow to Hanoi Noibai; 1% potential price drop.

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Average price for all London Heathrow to Hanoi Noibai flights (one-way and round-trip).

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Prices

The best time to book a flight to Hanoi with China Southern is 31 days before departure. On average, fares are higher if you book 49 days before departure.

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

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

Best time to book a flight from Heathrow to Hanoi

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

LHR-HAN

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China Southern

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174 reviews

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China Southern flights from London Heathrow Airport to Hanoi (LHR - HAN)

Find China Southern flight deals from Heathrow to Hanoi

Cheapest China Southern flights from Heathrow to HanoiExplore the most affordable China Southern flight options available from Heathrow to Hanoi. Find the lowest fares with prices last updated on 20 August 2026.

Explore the most affordable China Southern flight options available from Heathrow to Hanoi. Find the lowest fares with prices last updated on 20 August 2026.

Best China Southern flights from Heathrow to HanoiDiscover carefully curated China Southern flight deals from Heathrow to Hanoi that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 August 2026.

Discover carefully curated China Southern flight deals from Heathrow to Hanoi that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 August 2026.

Last-minute China Southern flights from Heathrow to HanoiDiscover last-minute China Southern flight deals from Heathrow to Hanoi. Data last updated 20 August 2026 and is based on user searches.

Discover last-minute China Southern flight deals from Heathrow to Hanoi. Data last updated 20 August 2026 and is based on user searches.

One-way China Southern flights to HanoiSearch for one-way China Southern flight options to Hanoi. Find affordable one-way fares based on user searches. Data last updated 20 August 2026.

Search for one-way China Southern flight options to Hanoi. Find affordable one-way fares based on user searches. Data last updated 20 August 2026.

How do most travelers feel about China Southern?

Can I get a flight from London Heathrow Airport to Hanoi on China Southern for under £810?

China Southern flights from Heathrow to Hanoi 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 Hanoi with China Southern?

The best time to book a flight to Hanoi with China Southern is 31 days before departure. On average, fares are higher if you book 49 days before departure.

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

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

Rainfall in Hanoi by month

In terms of precipitation, rainfall in Hanoi ranges from 14.0 - 296.0 inches per month. August is typically the wettest month, when rainfall can reach 296.0 mm. December is typically the driest time to visit Hanoi when rainfall is around 14.0 mm.

Temperature in Hanoi by month

Best time to book a flight from Heathrow to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from Heathrow 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 Heathrow to Hanoi on another airline

Consider alternative airlines that service the Hanoi area. Flight routes are based on user searches made on Cheapflights and were last updated on 20 August 2026.

Other China Southern flights from Heathrow

Browse through other China Southern flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 20 August 2026.

Complete your trip

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

Other airlines servicing Heathrow and Hanoi

Choose from other airlines serving Heathrow and Hanoi.

Other popular destinations in Asia

If Hanoi is not for you, choose from these other destinations located in Asia. Flight routes are based on user searches made on Cheapflights and were last updated on 20 August 2026.

Popular flights with China Southern

Browse through some of the most popular routes that China Southern offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 20 August 2026.

See what others are saying about China Southern

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Cheapest China Southern flights from Heathrow to Hanoi
Explore the most affordable China Southern flight options available from Heathrow to Hanoi. Find the lowest fares with prices last updated on 20 August 2026.

Best China Southern flights from Heathrow to Hanoi
Discover carefully curated China Southern flight deals from Heathrow to Hanoi that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 August 2026.

Last-minute China Southern flights from Heathrow to Hanoi
Discover last-minute China Southern flight deals from Heathrow to Hanoi. Data last updated 20 August 2026 and is based on user searches.

One-way China Southern flights to Hanoi
Search for one-way China Southern flight options to Hanoi. Find affordable one-way fares based on user searches. Data last updated 20 August 2026.