$327 Find Cheap Flights from London to Hanoi - Compare and Save

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

• Earliest: departs at 11:00 am and lands at 10:31 pm
• Latest: departs at 7:50 pm and lands at 7:21 am.

The flight takes about 11h 31m.

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.

A nonstop flight from London Heathrow Airport to Hanoi takes 11h 31m, 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.

Round-trip flights from London Heathrow Airport to Hanoi range from $792 to $1,161, with an average of $964 over the past 12 months. Anything below $792 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) are 1% below the route average of $964. Booking late can sometimes save you money, but inventory is limited.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $536 round-trip via Haikou Meilan Intl (HAK), compared to $1,099 for nonstop.

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

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $54–$100 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-way fares from London Heathrow Airport to Hanoi are currently lower than usual. Average one-way flight prices are about $387, which is 42% below the typical average for this route.

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

Morning flights have the fewest delays on this route, while evening departures tend to have the most.

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 2h 14m.

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

Yes. Flexible dates can save you up to 11% on flights from London Heathrow Airport to Hanoi. Thursday is the cheapest departure day at $925 round-trip on average, while Sunday is the most expensive at $1,037, a difference of $112.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

Flying via Bangkok Suvarnabhumi (BKK) gives the shortest average 1-stop total travel time at 15h 48m, compared with 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.

Some of the most popular sights in Hanoi are Hoan Kiem Lake, Old City Gate and Hanoi Opera House. These are among the most viewed places in Hanoi on KAYAK.

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.

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 always check the fare details before booking.

There are several options available to make the journey into central Hanoi, such as public taxis, minibuses, and public buses. Riding on the public buses takes about 1h and costs around ₫5,000 (£0.16), and taxis can cost around ₫320,000 (£10) and take about 30min. A good affordable option are the minibuses that cost around ₫32,000 (£1) and take you directly to your hotel.

Single and twin sleep pods are available on the 3rd floor of Terminal 1 and 2nd floor of Terminal 2 for a fee, with amenities such as beds, wardrobes, TV, Wi-Fi and snacks and drinks available.

There are no direct flights from London to Hanoi, but plenty of one-stop flights from London Heathrow and London Gatwick connecting the two cities with Qatar Airways, Vietnam Airlines, Air France and British Airways, with common connections in Doha (DOH) and Paris (CDG).

If you’re hungry and looking for something to eat after you land or before your return flight, the public food court located in Terminal 2 offers many different options of cuisine, with local restaurants such as Hai Cang Restaurant on the 4th Floor and Confetti Restaurant on the 2nd floor. Western-style fast-food restaurants like Burger King and POPEYES are available on the 1st and 3rd floors as well.