Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Vietnam from £254

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SGN
25 Dec — 1 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Vietnam

Keep the following information in mind while searching for Heathrow to Vietnam flight deals. Data was last updated 25 November 2025.

Round-trip from

£395

One-way from

£254

Popular in

July

Cheapest in

November

Average price

£558

Good round-trip deal

£724 or less

Good one-way deal

£528 or less
China Eastern
  • China Eastern
  • 13/1-19/1
  • 2 total stops
  • 43h 30m total
  • London to Vietnam
Search Deals
Shenzhen Airlines
  • Shenzhen Airlines
  • 9/1
  • 1 total stop
  • 21h 00m total
  • London to Vietnam
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£72 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from London Heathrow to Vietnam.
Search Deals
Price to beat on a one-way flight from London Heathrow to Vietnam.
Search Deals

Find flight deals from Heathrow to Vietnam

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Vietnam
Explore the most affordable flight options available from Heathrow to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 November 2025.

Fri 28/1121:10LHR - HAN
1 stop28h 30mMultiple Airlines
Fri 12/1220:40HAN - LHR
2 stops27h 50mMultiple Airlines
Deal found 23/11£389
Thu 27/1121:35LHR - HAN
2 stops30h 40mAir China
Fri 5/1213:30HAN - LHR
1 stop35h 20mAir China
Deal found 24/11£395
Fri 28/1121:00LHR - HAN
1 stop21h 45mChina Eastern
Mon 26/118:45HAN - LHR
1 stop29h 45mChina Eastern
Deal found 22/11£397
Wed 26/1121:00LHR - HAN
1 stop21h 45mChina Eastern
Wed 10/1218:45HAN - LHR
1 stop29h 45mChina Eastern
Deal found 21/11£398
Tue 2/1221:00LHR - HAN
1 stop21h 45mChina Eastern
Mon 8/1202:45HAN - LHR
1 stop21h 45mChina Eastern
Deal found 24/11£398
Tue 25/1121:00LHR - HAN
1 stop34h 10mChina Eastern
Mon 1/1202:45HAN - LHR
1 stop21h 45mChina Eastern
Deal found 23/11£400
Mon 24/1121:00LHR - HAN
1 stop21h 45mChina Eastern
Mon 1/1218:45HAN - LHR
1 stop29h 45mChina Eastern
Deal found 23/11£401
Thu 27/1121:00LHR - HAN
1 stop37h 45mChina Eastern
Thu 11/1215:10HAN - LHR
1 stop33h 20mChina Eastern
Deal found 22/11£402
Tue 25/1121:00LHR - HAN
1 stop21h 45mChina Eastern
Wed 3/1218:45HAN - LHR
1 stop29h 45mChina Eastern
Deal found 22/11£403
Wed 26/1121:00LHR - HAN
1 stop21h 45mChina Eastern
Sun 14/1218:45HAN - LHR
1 stop29h 45mChina Eastern
Deal found 22/11£404
Sun 23/1121:00LHR - HAN
1 stop21h 45mChina Eastern
Sat 6/1202:45HAN - LHR
1 stop21h 45mChina Eastern
Deal found 23/11£405
Wed 26/1121:10LHR - SGN
1 stop21h 40mMultiple Airlines
Fri 5/605:10SGN - LHR
1 stop21h 20mMultiple Airlines
Deal found 23/11£476

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Vietnam 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 25 November 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Vietnam that are best for you.

Fly from

Heathrow

Fly to

Vietnam

Route

Depart

Return

Price

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sun 1/2

21:10-01:10

1 stop21h 00m

Hanoi Noibai

Thu 26/2

02:10-19:10

1 stop24h 00m

£465

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 2/2

21:10-08:40

1 stop28h 30m

Hanoi Noibai

Sun 22/2

02:10-19:10

1 stop24h 00m

£465

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 5/1

21:10-08:40

1 stop28h 30m

Hanoi Noibai

Sun 1/2

14:55-19:10

1 stop35h 15m

£466

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 24/1

21:10-08:40

1 stop28h 30m

Hanoi Noibai

Sun 8/2

19:40-19:10

1 stop30h 30m

£466

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 7/3

21:10-01:10

1 stop21h 00m

Hanoi Noibai

Sat 21/3

19:40-19:10

1 stop30h 30m

£466

LondonNha Trang

LHR - CXR

LHRCXR

London Heathrow

Thu 22/1

22:00-17:40

1 stop36h 40m

Nha Trang Cam Ranh

Mon 9/2

10:40-18:35

1 stop38h 55m

£514

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Sat 3/1

21:10-01:50

1 stop21h 40m

Ho Chi Minh City

Thu 22/1

02:50-19:10

1 stop23h 20m

£516

LondonNha Trang

LHR - CXR

LHRCXR

London Heathrow

Fri 9/1

22:00-17:40

1 stop36h 40m

Nha Trang Cam Ranh

Wed 28/1

21:30-18:35

2 stops28h 05m

£538

LondonNha Trang

LHR - CXR

LHRCXR

London Heathrow

Tue 13/1

22:00-17:40

1 stop36h 40m

Nha Trang Cam Ranh

Tue 20/1

21:30-18:35

2 stops28h 05m

£541

LondonNha Trang

LHR - CXR

LHRCXR

London Heathrow

Fri 9/1

21:10-10:40

2 stops30h 30m

Nha Trang Cam Ranh

Thu 29/1

12:05-15:25

1 stop34h 20m

£594

Flights are sorted by cheapest return flights first.

Deals found on 22/11

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Heathrow to Vietnam

Have a flexible travel schedule? Discover the best time to fly to Vietnam from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Vietnam (average of £386). Flying from London Heathrow Airport to Vietnam in August is currently the most expensive (average of £601). 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 VN?

Find hourly flight availability from Heathrow to Vietnam. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 November 2025.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Vietnam at midday. If you’re flexible enough to do this you can expect to save up to 12% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from London Heathrow Airport to Vietnam?

Use this chart to determine the cheapest time to fly return from Heathrow to Vietnam. Price data was last updated on 27 October 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Vietnam flight should consider departing on Friday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How often are flights from London to Vietnam delayed?

About 23% of weekly flights between London and Vietnam have experienced delays in the past year, with the average delay time being 154 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

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

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, Vietnam Airlines have had the lowest number of delays on this route, with just 23% of flights being delayed.

Reviews of airlines servicing Vietnam

Get insights into the airlines that provide service to Vietnam. 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 Vietnam. Reviews last updated 25 November 2025.
See what other customers who have flown with Cathay Pacific, Vietnam Airlines, andShenzhen Airlines from London Heathrow Airport to Vietnam have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
1,068 reviews
Check prices

Comfort

7.6

Overall

7.6

Boarding

7.9

Crew

8.1

Entertainment

7.8

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
Cathay Pacific
7.6
Good
1,068 reviews
Cathay Pacific
7.6
Good
1,068 reviews
Check prices

Comfort

7.6

Overall

7.6

Boarding

7.9

Crew

8.1

Entertainment

7.8

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
Vietnam Airlines
7.6
Good
213 reviews
Cathay Pacific
7.6
Good
1,068 reviews
Check prices

Comfort

7.6

Overall

7.6

Boarding

7.9

Crew

8.1

Entertainment

7.8

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
Shenzhen Airlines
7.6
Good
22 reviews
Cathay Pacific
7.6
Good
1,068 reviews
Check prices

Comfort

7.6

Overall

7.6

Boarding

7.9

Crew

8.1

Entertainment

7.8

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
China Southern
7.5
Good
119 reviews
Cathay Pacific
7.6
Good
1,068 reviews
Check prices

Comfort

7.6

Overall

7.6

Boarding

7.9

Crew

8.1

Entertainment

7.8

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
Qatar Airways
7.4
Good
3,672 reviews
Cathay Pacific
7.6
Good
1,068 reviews
Check prices

Comfort

7.6

Overall

7.6

Boarding

7.9

Crew

8.1

Entertainment

7.8

Food

7.3

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Vietnam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For as low as £630, Shenzhen Airlines can have you in Vietnam from London Heathrow Airport in 16h 10m. Airlines will cover a distance of 6345 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    The cheapet airlines for a one-way flight from London Heathrow Airport to Vietnam are Shenzhen Airlines (£256), China Eastern (£277), and Air China (£300).

  • What are the most popular routes from London Heathrow Airport to Vietnam?

    The most popular flight routes from London Heathrow Airport to Vietnam are London Heathrow - Hanoi Noibai, London Heathrow - Ho Chi Minh City and London Heathrow - Da Nang.

  • What are the most reliable airlines from London Heathrow Airport to Vietnam?

    No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Vietnam consider choosing Vietnam Airlines (81%), Scandinavian Airlines (81%) or Cambodia Angkor Air (81%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay £1,588 for a flight from London Heathrow Airport to Vietnam. The cheapest flight overall is £437 while the most popular route, (London Heathrow - Hanoi Noibai) is currently priced at £389.

  • Can I find deals for flights from Heathrow to Vietnam that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Vietnam 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 Vietnam?

    Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Vietnam (average of £386). Flying from London Heathrow Airport to Vietnam in August is currently the most expensive (average of £601). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Vietnam

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Suvarnabhumi flights
Gatwick to Suvarnabhumi flights
Stansted to Suvarnabhumi flights
London City to Suvarnabhumi flights
Heathrow to Haneda flights
Heathrow to New Delhi flights
Heathrow to Colombo flights
Heathrow to Mumbai flights
Heathrow to Narita flights
Heathrow to Kuala Lumpur Intl flights
Heathrow to Hong Kong flights
Heathrow to Manila flights
Gatwick to Narita flights
Gatwick to Haneda flights
Heathrow to Don Mueang Intl flights
Luton to Suvarnabhumi flights
Stansted to Narita flights
London City to Narita flights
Heathrow to Lahore flights
Heathrow to Singapore flights
Heathrow to Incheon Intl flights
Heathrow to Islamabad flights
Heathrow to Phuket City flights
Gatwick to New Delhi flights
Gatwick to Manila flights
Stansted to New Delhi flights
Stansted to Manila flights
Gatwick to Colombo flights
Gatwick to Mumbai flights
Stansted to Mumbai flights
Stansted to Colombo flights
London City to Haneda flights
Heathrow to Bangalore flights
Heathrow to Hyderabad flights
London City to Manila flights
Gatwick to Singapore flights
Stansted to Haneda flights
Heathrow to Dhaka flights
Stansted to Islamabad flights
Heathrow to Ahmedabad flights
Gatwick to Phuket City flights
Gatwick to Lahore flights
Gatwick to Kuala Lumpur Intl flights
Heathrow to Malé flights
Heathrow to Hanoi flights
London City to Kuala Lumpur Intl flights
Heathrow to Chennai flights
Heathrow to Denpasar flights
Gatwick to Hong Kong flights
Stansted to Phuket City flights

Top 10 airlines flying from Heathrow to Vietnam

Discover the top 10 airlines that operate flights from Heathrow to Vietnam. 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 25 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£377Average£470FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£388Average£477FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China SouthernCheapest£392Average£594FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air IndiaCheapest£396Average£625FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
China EasternCheapest£426Average£557FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Malaysia AirlinesCheapest£522Average£658FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Etihad AirwaysCheapest£528Average£629FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air FranceCheapest£530Average£848FlexibilityNo cancel feeOn-time77%
Search Air France flights
Singapore AirlinesCheapest£564Average£811FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Vietnam AirlinesCheapest£577Average£822FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights

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 Vietnam?

Cheapflights helps you search for flights from Heathrow to Vietnam via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Vietnam?

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Vietnam 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 Vietnam with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Vietnam flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to Vietnam 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.