£240 Find Cheap Flights from London Heathrow Airport to Hanoi – Compare and Save

When you’re travelling through LHR Airport with kids you can keep them entertained by using the family entertainment facilities. In Terminal 4, where many direct flights leave from, you can use the Mr. Adventure Stay and Play area. This can be found close to Gates 1-6 and offers slides, soft play areas and activity sheets.

You can get to the centre of Hanoi from HAN Airport by taking a bus from outside the terminal building. The Number 86 is one of the fastest options, which takes about 1 hour in total. Alternatively, the Number 7, 17 and 90 bus take around 1h 30min. If you want to reach your destination faster, then a taxi from outside the Arrivals Terminal takes about 40min, but will be more expensive.

Ahead of your flight form Heathrow to Hanoi, you can stay at an airport hotel. For example, the ibis London Heathrow Airport is only a short walk from the terminal building and also offers a wake-up phone service so you’re not in a rush for your flight.

When you arrive into Hanoi Airport, you can continue your journey by getting a car hire. For instance, you can use a car hire company such as Avis, which has its office conveniently located in the arrivals hall after you’ve collected your luggage.

Among airlines operating London Heathrow Airport to Hanoi flights:

• Vietnam Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Vietnam Airlines operates flights between London Heathrow Airport and Hanoi.

Flights from London Heathrow Airport to Hanoi usually depart from London Heathrow (LHR) and arrive at Hanoi Noibai (HAN).

Here are some options for this route, based on selected ticket types and cabin classes:

• Vietnam Airlines: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Four cabin classes are available on flights from London Heathrow Airport to Hanoi:

• Economy class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average £396 return via Haikou Meilan Intl (HAK), compared with £812 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £40–£74 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The Boeing 787 Dreamliner family is used most often on this route, operated mainly by Vietnam Airlines. Other aircraft seen on the route include Boeing 787-9 Dreamliner variants.

One-stop flights from London Heathrow Airport to Hanoi most commonly connect through:

• Abu Dhabi Zayed Intl (AUH) – 24% of one-stop connections
• Doha Hamad Intl (DOH) – 22% of one-stop connections
• Hong Kong Intl (HKG) – 17% of one-stop connections
• Shenzhen (SZX) – 11% of one-stop connections

Abu Dhabi Zayed Intl (AUH) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 11% on the London Heathrow Airport to Hanoi route. Thursday is the cheapest departure day at £684 return on average, while Sunday is the most expensive at £767, a difference of £83. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the London Heathrow Airport to Hanoi route, 10% of flights were delayed in the past 3 months, with delays averaging 2 hours 14 minutes.

Some of the most popular sights in Hanoi are Hanoi Old Quarter, Hoan Kiem Lake, and Ta Hien Street. These are among the most viewed places in Hanoi on KAYAK.

These are the earliest and latest flight times available from London Heathrow Airport to Hanoi:

• Earliest: departs at 11:00 and lands at 22:33
• Latest: departs at 19:50 and lands at 07:23.

The flight takes about 11h 33m.

Last-minute fares on this route (booked within 2 weeks of departure) run 1% below the route average of £713. Booking late can sometimes save money on this route, but inventory is limited.

A direct flight from London Heathrow Airport to Hanoi takes 11h 33m, covering 5,736 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

One-way fares from London Heathrow Airport to Hanoi are currently lower than usual. Average one-way flight prices are about £278, which is 43% below the typical average for this route.

Vietnam Airlines is the only airline operating London Heathrow Airport to Hanoi flights. 90% of its flights are on time.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Bangkok Suvarnabhumi (BKK) gives the shortest average 1-stop total travel time of 15h 48m, compared to 15h 49m via Munich Franz Josef Strauss (MUC) and 16h 27m via Dubai Intl (DXB).

Hanoi is 6 hours ahead of London Heathrow Airport (Indochina Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

Return flights from London Heathrow Airport to Hanoi range from £585 to £859, with an average of £713 over the past 12 months. Anything below £585 counts as a good deal.