Question 1

Which airport is the most popular for stopovers for flights between London Heathrow Airport and Hanoi?

Accepted Answer

Doha (DOH) was the most common stop: 36% of momondo users choosing one-stop flights on this route connected there.

Question 2

What is the cheapest London Heathrow to Hanoi Noibai flight route?

Accepted Answer

Fly from London Heathrow to Hanoi Noibai for the best London Heathrow - Hanoi Noibai flight prices

Question 3

How have London Heathrow Airport to Hanoi flight prices changed over time?

Accepted Answer

As of December 2025, prices for London Heathrow Airport to Hanoi flights are approximately 36% cheaper when compared to flights at the same time last year.

Question 4

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

Accepted Answer

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

Question 5

What is the cheapest day to depart on your flight to Hanoi?

Accepted Answer

The cheapest day to depart from London Heathrow Airport to Hanoi is on a Monday when prices can be found for as low as £736. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Hanoi for around £843.

Question 6

What is the cheapest airline that flies from London Heathrow to Hanoi Noibai?

Accepted Answer

Shenzhen Airlines is the most popular carrier operating from London Heathrow to Hanoi Noibai

Question 7

Which stopover airport has the shortest travel time from London Heathrow Airport to Hanoi?

Accepted Answer

Flights connecting via Abu Dhabi (AUH) have the shortest average one-way travel time: 14h 29m.

Question 8

What is the cheapest month to fly to Hanoi?

Accepted Answer

The month of November is, on average, the cheapest month to fly to Hanoi from London Heathrow Airport, with most prices found around £614. If you’re not able to fly to Hanoi in November, then September is your next best option. Flight prices from London Heathrow Airport to Hanoi during September average around £632.

Question 9

Can stopping save me money on London Heathrow Airport to Hanoi flights?

Accepted Answer

You could potentially save up to 23% on your flight if you consider stops on a London Heathrow Airport to Hanoi flight.

Question 10

Which airlines fly to Hanoi?

Accepted Answer

Vietnam Airlines, Qatar Airways and China Southern are the top three most popular airlines that fly to Hanoi from London Heathrow Airport according to our data. Vietnam Airlines is the first choice among our users, with 41% of people opting to fly with this airline when travelling to Hanoi. Keep in mind that there are 15 different airlines that fly to Hanoi on a routine basis, so you have a few additional options to choose from.

Question 11

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

Accepted Answer

According to our data, Vietnam Airlines have had the fewest delays on this route over the last 12 months, with about 20% of their flights experiencing any sort of delay.

Question 12

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

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Question 13

How many flights depart from London Heathrow Airport to Hanoi on average per week?

Accepted Answer

As of December 2025, there are 8 flights per week flying from London Heathrow Airport to Hanoi. The most common day of the week flights depart is Mon, with 25% of flights taking off on this day.

Question 14

Which stopover airport has the shortest connection time from London Heathrow Airport to Hanoi?

Accepted Answer

Paris (CDG) has the shortest average stopover time for this route: 1h 25m.

Question 15

How far in advance should I book a flight to Hanoi?

Accepted Answer

You are more likely to see cheaper flights to Hanoi from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Hanoi for around £728 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hanoi from London Heathrow Airport for as low as £630 on momondo.

Question 16

Which stopover airport offers the lowest fares from London Heathrow Airport to Hanoi?

Accepted Answer

Flights via Shenzhen (SZX) offer the lowest average return price of £557.

Question 17

What is the cheapest time of day to depart on your flight to Hanoi?

Accepted Answer

According to our data, the cheapest time of day to fly to Hanoi is in the evening. momondo users have found flights departing from London Heathrow Airport to Hanoi in the evening for as low as £712. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Hanoi, so prices are often more expensive at around £793 per ticket.

Question 18

What cabin class options are available on London Heathrow to Hanoi Noibai flights?

Accepted Answer

There are 3 cabin classes available to choose from on London Heathrow to Hanoi Noibai flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 19

How often are flights from London to Hanoi delayed?

Accepted Answer

Historically, on average around 20% of flights between London and Hanoi have experienced a delay on any given week. The average delay length over the past 12 months has been 198 minutes.

Question 20

How many flights depart from London Heathrow Airport to Hanoi on average per day?

Accepted Answer

As of December 2025, there are 1 flights per day flying from London Heathrow Airport to Hanoi. The most common time of day flights depart is 11:00, with 100% of flights taking off at midday.

Question 21

When did momondo last update prices for flights from London Heathrow Airport to Hanoi Noibai Airport?

Accepted Answer

Prices for flights from London Heathrow Airport to Hanoi Noibai Airport were last updated today.

Question 22

How many operators does momondo search for flights from London Heathrow Airport to Hanoi Noibai Airport?

Accepted Answer

The number of operators available for flights from London Heathrow Airport to Hanoi Noibai Airport is 15 as of December 2025.

Question 23

How old do you have to be to fly from London Heathrow Airport to Hanoi Noibai Airport?

Accepted Answer

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Hanoi Noibai Airport.

Question 24

What documentation or ID do you need to fly to Hanoi Noibai Airport?

Accepted Answer

The travel and health documents you'll need for your trip to Hanoi Noibai Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Hanoi Noibai Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best price found	£430
Fastest flight time	11h 20m
Direct flights	Mon, Tue, Thu and Sat
Airports in Hanoi	1 airport

Airline	Rating	Free Cancellation	Price
Air China	PriceFrom £370	Free Cancellation	Rating 7.1 129 reviews	Search Air China flights
Shenzhen Airlines	PriceFrom £380	Free Cancellation	Rating 7.6 22 reviews	Search Shenzhen Airlines flights
China Eastern	PriceFrom £392	Free Cancellation	Rating 7.2 178 reviews	Search China Eastern flights
China Southern	PriceFrom £411	Free Cancellation	Rating 7.5 122 reviews	Search China Southern flights
Etihad Airways	PriceFrom £519	Free Cancellation	Rating 7.4 1,332 reviews	Search Etihad Airways flights
Singapore Airlines	PriceFrom £572	Free Cancellation	Rating 8.1 1,413 reviews	Search Singapore Airlines flights
Vietnam Airlines	PriceFrom £573	Free Cancellation	Rating 7.6 215 reviews	Search Vietnam Airlines flights
Cathay Pacific	PriceFrom £574	Free Cancellation	Rating 7.6 1,095 reviews	Search Cathay Pacific flights
Qatar Airways	PriceFrom £606	Free Cancellation	Rating 7.4 3,686 reviews	Search Qatar Airways flights
Turkish Airlines	PriceFrom £608	Free Cancellation	Rating 7.3 4,105 reviews	Search Turkish Airlines flights

Cheap flights from London Heathrow Airport to Hanoi from £247

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Hanoi departing on 1/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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