Cheap flights from London Heathrow Airport to Hanoi from £317
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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from London Heathrow to Hanoi Noibai are usually found in May or November, booked 55 days in advance, depart on a Sunday or Monday and return on a Thursday
Cheap flight deals from Heathrow to Hanoi
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Hanoi (HAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 July 2025.
Round-trip from | £533 |
---|---|
One-way from | £317 |
Popular in | July |
Cheapest in | May |
Average price | £862 |
Good round-trip deal | £700 or less |
Good one-way deal | £523 or less |
Find 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 11 July 2025.
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 11 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Heathrow to Hanoi that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 July 2025.
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
LondonHanoi
LHR - HAN
LHRHAN
London Heathrow
Mon 29/12
21:10-01:10
1 stop21h 00m
Hanoi Noibai
Tue 6/1
08:50-09:55
1 stop32h 05m
LondonHanoi
LHR - HAN
LHRHAN
London Heathrow
Wed 1/10
21:20-08:15
2 stops28h 55m
Hanoi Noibai
Sat 11/10
02:20-18:40
1 stop22h 20m
LondonHanoi
LHR - HAN
LHRHAN
London Heathrow
Tue 25/11
22:00-23:15
1 stop18h 15m
Hanoi Noibai
Tue 24/2
15:45-18:15
1 stop33h 30m
LondonHanoi
LHR - HAN
LHRHAN
London Heathrow
Sun 31/8
22:05-01:10
1 stop21h 05m
Hanoi Noibai
Sat 20/9
02:10-20:00
1 stop23h 50m
LondonHanoi
LHR - HAN
LHRHAN
London Heathrow
Fri 7/11
09:00-06:05
1 stop14h 05m
Hanoi Noibai
Mon 24/11
07:55-06:45
1 stop29h 50m
LondonHanoi
LHR - HAN
LHRHAN
London Heathrow
Tue 23/9
22:00-10:55
2 stops30h 55m
Hanoi Noibai
Wed 15/10
17:55-20:15
2 stops32h 20m
LondonHanoi
LHR - HAN
LHRHAN
London Heathrow
Mon 15/9
20:50-19:40
2 stops40h 50m
Hanoi Noibai
Mon 22/9
10:35-19:10
2 stops38h 35m
LondonHanoi
LHR - HAN
LHRHAN
London Heathrow
Fri 3/10
22:05-14:05
1 stop34h 00m
LondonHanoi
LHR - HAN
LHRHAN
London Heathrow
Thu 4/9
21:20-01:20
1 stop22h 00m
LondonHanoi
LHR - HAN
LHRHAN
London Heathrow
Tue 2/9
21:45-05:40
3 stops49h 55m
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
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?
Use this chart to determine the optimal time to book a return flight from Heathrow to Hanoi. Price data was last updated on 27 June 2025.
The best time to book flights from London Heathrow Airport to Hanoi is 55 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, May is the cheapest month in which you can book a flight from London Heathrow Airport to Hanoi (average of £793). Flying from London Heathrow Airport to Hanoi in December is currently the most expensive (average of £1,137). 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?
Find hourly flight availability from Heathrow to Hanoi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.
A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Hanoi in the evening. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight in the morning.
What is the cheapest day to fly from London Heathrow Airport to Hanoi?
Use this chart to determine the cheapest time to fly return from Heathrow to Hanoi. Price data was last updated on 6 July 2025.
Travellers seeking maximum savings on their London Heathrow Airport to Hanoi flight should consider departing on Monday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 11 July 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Hanoi, such as China Southern, China Eastern, andAir China. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
Boarding
Comfort
Food
Crew
Entertainment
Reviews
Puey cheng,Apr 2025
SIN - CAN
Overall
Boarding
Comfort
Food
Crew
Entertainment
Reviews
Puey cheng,Apr 2025
SIN - CAN
Overall
Boarding
Comfort
Food
Crew
Entertainment
Reviews
Puey cheng,Apr 2025
SIN - CAN
Overall
Boarding
Comfort
Food
Crew
Entertainment
Reviews
Puey cheng,Apr 2025
SIN - CAN
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Hanoi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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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 11 July 2025.
Top 10 airlines flying from Heathrow to Hanoi
Discover the top 10 airlines that operate flights from Heathrow to Hanoi. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 July 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Heathrow to Hanoi?
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.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Hanoi?
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.
Can Cheapflights find flights from Heathrow to Hanoi with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Hanoi flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Heathrow to Hanoi become cheaper?
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!