Q: How much does it cost for a return flight from London Heathrow Airport to Hanoi?

Airfare is below average for this route at the moment. London Heathrow Airport to Hanoi flights typically cost between £665 and £911 in January. The cheapest return price found within the last 5 days was £432 on Air China (23 Jan–1 Mar).

Question 1

How much does it cost for a return flight from London Heathrow Airport to Hanoi?

Accepted Answer

Airfare is below average for this route at the moment.London Heathrow Airport to Hanoi flights typically cost between £665 and £911 in January.
The cheapest return price found within the last 5 days was £432 on Air China (23 Jan–1 Mar).

Question 2

What is the most punctual flight time for London to Hanoi flights?

Accepted Answer

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

Question 3

What’s the cheapest stopover airport for flights from London Heathrow Airport to Hanoi?

Accepted Answer

Shenzhen (SZX) is the most affordable one-stop option, with an average return flight price of £525.

Question 4

What’s the top stopover airport for flights from London Heathrow Airport to Hanoi?

Accepted Answer

Abu Dhabi (AUH) – chosen by Cheapflights users on 20% of one-stop itineraries from London Heathrow Airport to Hanoi on Cheapflights.

Question 5

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Hanoi?

Accepted Answer

Flights via Bangkok (BKK) offer the fastest connection on this route, with an average stopover time of 1h 27m.

Question 6

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Tuesday 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.

Question 7

Which airline has the best punctuality record on London to Hanoi flights?

Accepted Answer

Over the past year, Vietnam Airlines have had the lowest number of delays on this route, with just 13% of flights being delayed.

Question 8

How often are flights from London to Hanoi delayed?

Accepted Answer

About 13% of weekly flights between London and Hanoi have experienced delays in the past year, with the average delay time being 155 minutes.

Question 9

What’s the fastest stopover option from London Heathrow Airport to Hanoi?

Accepted Answer

Flights via Bangkok (BKK) have the shortest average one-way travel time for one-stop routes: 14h 53m.

Question 10

How long is the flight from London Heathrow Airport to Hanoi?

Accepted Answer

Departing from London Heathrow Airport to Hanoi will take you 21h 05m. The distance between London Heathrow Airport and Hanoi is about 5736 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

Question 11

What are the cheapest airlines flying from London Heathrow Airport to Hanoi round-trip?

Accepted Answer

Flying on Hainan Airlines is currently your cheapest option to Hanoi, with prices starting at £189. Additional return tickets that might be worth considering are offered by Etihad Airways and Air China, with the lowest prices starting at £341 and £368, respectively. Hainan Airlines is 73% cheaper than the average price of flights available within the next 90 days to this destination.

Question 12

What are the cheapest airlines to fly from London Heathrow Airport to Hanoi one-way?

Accepted Answer

One-way options have recently been found by users for as low as £243 on Shenzhen Airlines. Other airlines that offer cheap prices include Etihad Airways from £252 and Hainan Airlines from £254 one-way.

Question 13

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

Accepted Answer

The best time to book flights from London Heathrow Airport to Hanoi is 80 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Question 14

What is the cheapest month to book a flight from London Heathrow Airport to Hanoi?

Accepted Answer

Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Hanoi (average of £574). Flying from London Heathrow Airport to Hanoi in March is currently the most expensive (average of £857). 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.

Question 15

E

Accepted Answer

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.

Question 16

E

Accepted Answer

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).

Question 17

What are the cheapest flights from London Heathrow Airport to Hanoi?

Accepted Answer

Looking at all options, your cheapest flight can be booked for £438. While the most popular route (London Heathrow - Hanoi Noibai) can be booked for £429 on average, our data indicates £1,762 when flying from London Heathrow Airport to Hanoi.

Question 18

What are the most popular airlines that fly from London Heathrow Airport to Hanoi?

Accepted Answer

When booking a flight from London Heathrow Airport to Hanoi, you may want to consider flying on Vietnam Airlines, Qatar Airways or Etihad Airways as they are the most popular for this route.

Question 19

Where are the most common stopover locations when flying from London Heathrow Airport to Hanoi?

Accepted Answer

London Heathrow Airport to Hanoi flights have a stopover in Guangzhou most of the time. Guangzhou is followed by Doha in terms of the most popular stopover location on flights from London Heathrow Airport to Hanoi.

Question 20

Where are the least popular stopover locations for London Heathrow Airport to Hanoi flights?

Accepted Answer

Flights departing from London Heathrow Airport and landing in Hanoi stopover in Shenzhen least frequently.

Question 21

What are some popular things to do or see while on a stopover in Guangzhou?

Accepted Answer

Guangzhou travellers tend to visit Baima Clothing Wholesale Market, Huaisheng Mosque, and China Guangzhou Wholesale Market more than anywhere else. Baima Clothing Wholesale Market, Huaisheng Mosque, and China Guangzhou Wholesale Market can be accessed by travelling approximately 17.3 mi, 18.9 mi, and 16.8 mi, respectively from Guangzhou Baiyun.

Question 22

What is the cheapest time of day to fly from LHR to HAN?

Accepted Answer

When flying from London Heathrow Airport to Hanoi, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Question 23

What airport do you fly into for flights to Hanoi from London Heathrow?

Accepted Answer

If you book a flight to Hanoi from London Heathrow, you will be flying to Noibai, which is the city’s only airport. Hanoi Noibai (HAN) is located 14.2 mi from the center of Hanoi. There are 0 flights from London Heathrow to Noibai per day from 15 different airlines.

Question 24

Can I find deals for flights from Heathrow to Hanoi that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Heathrow to Hanoi flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 25

How can I find direct flights from Heathrow to Hanoi?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Hanoi.

Question 26

Can I find deals for business class flights from Heathrow to Hanoi?

Accepted Answer

Yes. Cheapflights offers flight deals from Heathrow to Hanoi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 27

How does Cheapflights help users find flights from Heathrow to Hanoi?

Accepted Answer

Cheapflights makes it easy to find Heathrow to Hanoi flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 28

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Hanoi?

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Hanoi by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 29

Can Cheapflights find flights from Heathrow to Hanoi with no change fees?

Accepted Answer

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Hanoi flexibly with Cheapflights today.

Question 30

Can Cheapflights notify me if prices for flights from Heathrow to Hanoi become cheaper?

Accepted Answer

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

Round-trip from	£432
One-way from	£305
Popular in	March
Cheapest in	November
Average price	£774
Good round-trip deal	£807 or less
Good one-way deal	£457 or less

Airline	Cheapest	Average	Flexibility	On-time
Hainan Airlines	Cheapest£189	Average£311	FlexibilityNo cancel fee	On-time61%	Search Hainan Airlines flights
Etihad Airways	Cheapest£341	Average£634	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Air China	Cheapest£368	Average£432	FlexibilityNo cancel fee	On-time67%	Search Air China flights
Shenzhen Airlines	Cheapest£376	Average£468	FlexibilityNo cancel fee	On-time63%	Search Shenzhen Airlines flights
China Eastern	Cheapest£380	Average£473	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
China Southern	Cheapest£405	Average£573	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Air India	Cheapest£575	Average£669	FlexibilityNo cancel fee	On-timeN/A	Search Air India flights
Vietnam Airlines	Cheapest£589	Average£813	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights
Qatar Airways	Cheapest£599	Average£765	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights
Cathay Pacific	Cheapest£605	Average£788	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights

Cheap flights from London Heathrow Airport to Hanoi from £305

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Hanoi

Cheapest flights from Heathrow to HanoiExplore the most affordable flight options available from Heathrow to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 August 2026.

Explore the most affordable flight options available from Heathrow to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 August 2026.

Best flights from Heathrow to HanoiDiscover carefully curated 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 1 August 2026.

Discover carefully curated 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 1 August 2026.

Direct flights from Heathrow to HanoiExplore direct flight options from Heathrow to Hanoi based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 August 2026.

Explore direct flight options from Heathrow to Hanoi based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 August 2026.

Last-minute flights from Heathrow to HanoiDiscover last-minute flight deals from Heathrow to Hanoi. Data last updated 1 August 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Hanoi. Data last updated 1 August 2026 and is based on user searches.

One-way flights from Heathrow to HanoiSearch for one-way flight options from Heathrow to Hanoi. Find affordable one-way fares based on user searches. Data last updated 1 August 2026.

Search for one-way flight options from Heathrow to Hanoi. Find affordable one-way fares based on user searches. Data last updated 1 August 2026.

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Use the filters below to find and compare flights from London Heathrow Airport to Hanoi that are best for you.

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.

Cheapflights Insights

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

The best time to book flights from London Heathrow Airport to Hanoi is 80 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from London Heathrow Airport to Hanoi?

How much does it cost for a return flight from London Heathrow Airport to Hanoi?

Airfare is below average for this route at the moment.

London Heathrow Airport to Hanoi flights typically cost between £665 and £911 in January.The cheapest return price found within the last 5 days was £432 on Air China (23 Jan–1 Mar).

How often are flights from London to Hanoi delayed?

About 13% of weekly flights between London and Hanoi have experienced delays in the past year, with the average delay time being 155 minutes.

What is the most punctual flight time for London to Hanoi flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday 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.

Which airline has the best punctuality record on London to Hanoi flights?

Over the past year, Vietnam Airlines have had the lowest number of delays on this route, with just 13% of flights being delayed.

What’s the top stopover airport for flights from London Heathrow Airport to Hanoi?

Abu Dhabi (AUH) – chosen by Cheapflights users on 20% of one-stop itineraries from London Heathrow Airport to Hanoi on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to Hanoi?

Shenzhen (SZX) is the most affordable one-stop option, with an average return flight price of £525.

What’s the fastest stopover option from London Heathrow Airport to Hanoi?

Flights via Bangkok (BKK) have the shortest average one-way travel time for one-stop routes: 14h 53m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Hanoi?

Flights via Bangkok (BKK) offer the fastest connection on this route, with an average stopover time of 1h 27m.

Reviews of airlines servicing Hanoi

Get insights into the airlines that provide service to Hanoi. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hanoi. Reviews last updated 1 August 2026.

Read through reviews of airlines operating flights from London Heathrow Airport to Hanoi, such as Vietnam Airlines,Cathay Pacific, andQatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Hanoi from London Heathrow?

How long is the flight from London Heathrow Airport to Hanoi?

What are the cheapest airlines flying from London Heathrow Airport to Hanoi round-trip?

What are the cheapest airlines to fly from London Heathrow Airport to Hanoi one-way?

What are the cheapest flights from London Heathrow Airport to Hanoi?

Where are the most common stopover locations when flying from London Heathrow Airport to Hanoi?

What are some popular things to do or see while on a stopover in Guangzhou?

Where are the least popular stopover locations for London Heathrow Airport to Hanoi flights?

Can I find deals for flights from Heathrow to Hanoi that include hotel bookings?

How can I find direct flights from Heathrow to Hanoi?

Can I find deals for business class flights from Heathrow to Hanoi?

What is the cheapest month to book a flight from London Heathrow Airport to Hanoi?

Browse thousands of different options on Cheapflights for your next trip

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Fly from Heathrow to Hanoi on these airlines

Choose from the following airlines for your flight from Heathrow to Hanoi. Flights are based on user searches made on Cheapflights and were last updated on 1 August 2026.

Alternative routes for Heathrow to Hanoi

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

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

Direct flights to Vietnam

Book a non-stop flight to one of these other cities located in Vietnam.

Search flights from Heathrow to Hanoi by cabin class

Find flights from Heathrow to Hanoi, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Hanoi

Explore flights to Hanoi departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 1 August 2026.

Heathrow and Hanoi flights

Browse other Heathrow and Hanoi flight options. Last updated on 1 August 2026.

Cheapest flights from Heathrow to Hanoi
Explore the most affordable flight options available from Heathrow to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 August 2026.

Best flights from Heathrow to Hanoi
Discover carefully curated 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 1 August 2026.

Direct flights from Heathrow to Hanoi
Explore direct flight options from Heathrow to Hanoi based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 August 2026.

Last-minute flights from Heathrow to Hanoi
Discover last-minute flight deals from Heathrow to Hanoi. Data last updated 1 August 2026 and is based on user searches.

One-way flights from Heathrow to Hanoi
Search for one-way flight options from Heathrow to Hanoi. Find affordable one-way fares based on user searches. Data last updated 1 August 2026.

London Heathrow Airport to Hanoi flights typically cost between £665 and £911 in January.
The cheapest return price found within the last 5 days was £432 on Air China (23 Jan–1 Mar).