Cheap flights from London Heathrow Airport to Hanoi from £265

LHR — HAN
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Hanoi Noibai are usually found in November or May, booked 88 days in advance, depart on a Monday or Thursday and return on a Tuesday

Cheap flight deals from Heathrow to Hanoi

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Hanoi

Mon 30/1121:10 -
1 stop21h 00m
Sun 6/1202:10 -
1 stop24h 00m
Deal found 2/11£382
Mon 23/1120:25 -
1 stop23h 50m
Tue 15/1204:30 -
1 stop20h 20m
Deal found 31/10£383
Mon 23/1120:25 -
1 stop23h 50m
Tue 8/1204:30 -
1 stop20h 20m
Deal found 30/10£385
Wed 25/1122:00 -
1 stop29h 40m
Tue 1/1211:45 -
1 stop37h 50m
Deal found 31/10£388
Wed 25/1120:25 -
1 stop32h 30m
Wed 16/1204:30 -
1 stop18h 25m
Deal found 30/10£389
Mon 23/1121:10 -
1 stop21h 00m
Tue 8/1202:10 -
1 stop24h 00m
Deal found 1/11£390
Sat 14/1117:45 -
1 stop26h 30m
Mon 16/1104:30 -
1 stop20h 20m
Deal found 30/10£391
Mon 23/1122:00 -
1 stop33h 45m
Wed 9/1219:45 -
1 stop29h 50m
Deal found 30/10£393
Sun 22/1120:25 -
1 stop23h 50m
Sun 6/1204:30 -
1 stop20h 20m
Deal found 31/10£394

Find flight deals from Heathrow to Hanoi

Round-trip from

£382

One-way from

£265

Popular in

December

Cheapest in

November

Average price

£494

Good round-trip deal

£765 or less

Good one-way deal

£619 or less
Shenzhen Airlines
  • Shenzhen Airlines
  • 30/11-6/12
  • 2 total stops
  • 45h 00m total
  • London to Hanoi
Hainan Airlines
  • Hainan Airlines
  • 2/12-31/12
  • 1 total stop
  • 17h 10m total
  • London to Hanoi
High demand for flights, 5% potential price rise
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from London Heathrow to Hanoi Noibai.
Price to beat on a one-way flight from London Heathrow to Hanoi Noibai.

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Mon 1/2

21:10-13:55

1 stop33h 45m

Hanoi Noibai

Wed 31/12

00:00-17:00

Nonstop0h 00m

£309

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Mon 4/1

21:10-17:30

1 stop37h 20m

Hanoi Noibai

Wed 31/12

00:00-17:00

Nonstop0h 00m

£311

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Fri 4/12

06:30-14:10

2 stops24h 40m

Hanoi Noibai

Wed 31/12

00:00-17:00

Nonstop0h 00m

£362

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Sun 22/11

21:10-01:10

1 stop21h 00m

Hanoi Noibai

Fri 4/12

18:30-19:10

1 stop31h 40m

£425

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Thu 28/1

22:30-01:10

1 stop19h 40m

Hanoi Noibai

Wed 24/2

02:10-20:30

1 stop25h 20m

£476

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Mon 4/1

11:45-10:00

2 stops39h 15m

Hanoi Noibai

Wed 31/12

00:00-17:00

Nonstop0h 00m

£505
Fastest return journey

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Sun 6/12

11:00-05:20

Nonstop11h 20m

Hanoi Noibai

Wed 31/12

00:00-17:00

Nonstop0h 00m

£509

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Fri 1/1

21:10-09:40

1 stop29h 30m

Hanoi Noibai

Wed 20/1

02:10-20:30

1 stop25h 20m

£521

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Thu 31/12

22:30-01:10

1 stop19h 40m

Hanoi Noibai

Thu 21/1

10:40-20:30

1 stop16h 50m

£553

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Sun 6/12

21:10-13:55

1 stop33h 45m

Hanoi Noibai

Fri 15/1

14:55-19:10

1 stop35h 15m

£554

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Showing 1-10 of 22 resultsSorted by cheapest first
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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.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Hanoi

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 87 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?

Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Hanoi (average of £494). Flying from London Heathrow Airport to Hanoi in December is currently the most expensive (average of £887). 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.

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

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.

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 £446 and £703 in November.
The cheapest return price found within the last 5 days was £382 on Shenzhen Airlines (30 Nov–6 Dec).

Reviews of airlines servicing Hanoi

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

Boarding

7.8

Comfort

7.7

Crew

8.3

Food

6.9

Overall

7.7

Entertainment

6.3

Reviews

1 / 17
6.0
Good

Laura,Sept 2026

DAD - SGN

Flight was delayed - no communication until we boarded nearly an hour late

Boarding

7.8

Comfort

7.7

Crew

8.3

Food

6.9

Overall

7.7

Entertainment

6.3

Reviews

1 / 17
6.0
Good

Laura,Sept 2026

DAD - SGN

Flight was delayed - no communication until we boarded nearly an hour late

Boarding

7.8

Comfort

7.7

Crew

8.3

Food

6.9

Overall

7.7

Entertainment

6.3

Reviews

1 / 17
6.0
Good

Laura,Sept 2026

DAD - SGN

Flight was delayed - no communication until we boarded nearly an hour late

Boarding

7.8

Comfort

7.7

Crew

8.3

Food

6.9

Overall

7.7

Entertainment

6.3

Reviews

1 / 17
6.0
Good

Laura,Sept 2026

DAD - SGN

Flight was delayed - no communication until we boarded nearly an hour late

Boarding

7.8

Comfort

7.7

Crew

8.3

Food

6.9

Overall

7.7

Entertainment

6.3

Reviews

1 / 17
6.0
Good

Laura,Sept 2026

DAD - SGN

Flight was delayed - no communication until we boarded nearly an hour late

Boarding

7.8

Comfort

7.7

Crew

8.3

Food

6.9

Overall

7.7

Entertainment

6.3

Reviews

1 / 17
6.0
Good

Laura,Sept 2026

DAD - SGN

Flight was delayed - no communication until we boarded nearly an hour late

Related info for your journey

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

    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 is 1 flight from London Heathrow to Noibai per day from 16 different airlines.

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

    Departing from London Heathrow Airport to Hanoi will take you 21h. The distance between London Heathrow Airport and Hanoi is about 5736 mi.

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

    Flying on Air India is currently your cheapest option to Hanoi, with prices starting at £125. Additional return tickets that might be worth considering are offered by Hainan Airlines and Etihad Airways, with the lowest prices starting at £190 and £344, respectively. Air India is 82% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as £244 on Shenzhen Airlines. Other airlines that offer cheap prices include Etihad Airways from £253 and Air China from £254 one-way.

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

    Looking at all options, your cheapest flight can be booked for £399. While the most popular route (London Heathrow - Hanoi Noibai) can be booked for £406 on average, our data indicates £1,657 when flying 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?

    Guangzhou travellers tend to visit Huaisheng Mosque, China Guangzhou Wholesale Market, and Haizhu Wholesale Market more than anywhere else. Huaisheng Mosque, China Guangzhou Wholesale Market, and Haizhu Wholesale Market can be accessed by travelling approximately 18.9 mi, 16.8 mi, and 19.3 mi, respectively from Guangzhou Baiyun.

  • 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?

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

  • How can I find direct flights from Heathrow to Hanoi?

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

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

    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.

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

    Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Hanoi (average of £494). Flying from London Heathrow Airport to Hanoi in December is currently the most expensive (average of £887). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Fly from Heathrow to Hanoi on these airlines

Top 10 airlines flying from Heathrow to Hanoi

AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest£125Average£651FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Hainan AirlinesCheapest£190Average£391FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Etihad AirwaysCheapest£344Average£663FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Shenzhen AirlinesCheapest£368Average£465FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Air ChinaCheapest£370Average£438FlexibilityNo cancel feeOn-time67%
Search Air China flights
China EasternCheapest£383Average£472FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£395Average£539FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Cathay PacificCheapest£611Average£805FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Singapore AirlinesCheapest£631Average£720FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Vietnam AirlinesCheapest£632Average£846FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights

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