Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Vietnam from £292

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 27/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SGN
19 Jun — 26 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap 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 20 May 2026.

Thu 17/920:25
LHR
-
HAN
1 stop33h 30m
Air China
Tue 13/1013:25
HAN
-
LHR
1 stop37h 00m
Air China
Deal found 19/5£408
Wed 23/922:05
LHR
-
HAN
1 stop34h 00m
Shenzhen Airlines
Tue 13/1002:10
HAN
-
LHR
1 stop23h 50m
Shenzhen Airlines
Deal found 18/5£440
Mon 21/922:05
LHR
-
HAN
1 stop29h 35m
Shenzhen Airlines
Sun 4/1018:25
HAN
-
LHR
1 stop31h 25m
Shenzhen Airlines
Deal found 16/5£441
Mon 21/922:05
LHR
-
HAN
1 stop21h 05m
Shenzhen Airlines
Sun 18/1002:10
HAN
-
LHR
1 stop23h 40m
Shenzhen Airlines
Deal found 19/5£442
Mon 16/1121:10
LHR
-
HAN
1 stop21h 00m
Shenzhen Airlines
Thu 3/1219:40
HAN
-
LHR
1 stop30h 30m
Shenzhen Airlines
Deal found 17/5£454
Mon 21/922:05
LHR
-
HAN
1 stop29h 35m
Shenzhen Airlines
Fri 9/1002:10
HAN
-
LHR
1 stop23h 40m
Shenzhen Airlines
Deal found 16/5£459
Mon 21/922:05
LHR
-
SGN
1 stop21h 45m
Shenzhen Airlines
Sun 11/1002:50
SGN
-
LHR
1 stop23h 00m
Shenzhen Airlines
Deal found 17/5£463
Wed 16/922:05
LHR
-
SGN
1 stop21h 45m
Shenzhen Airlines
Tue 13/1002:50
SGN
-
LHR
1 stop23h 10m
Shenzhen Airlines
Deal found 18/5£468
Sun 13/922:05
LHR
-
SGN
1 stop21h 45m
Shenzhen Airlines
Sat 10/1002:50
SGN
-
LHR
1 stop23h 10m
Shenzhen Airlines
Deal found 17/5£469
Sat 7/1121:10
LHR
-
SGN
1 stop21h 40m
Shenzhen Airlines
Fri 13/1102:50
SGN
-
LHR
1 stop23h 20m
Shenzhen Airlines
Deal found 17/5£470
Sun 29/1121:10
LHR
-
SGN
1 stop21h 40m
Shenzhen Airlines
Sun 13/1202:50
SGN
-
LHR
1 stop23h 20m
Shenzhen Airlines
Deal found 16/5£471
Wed 4/1121:10
LHR
-
SGN
1 stop21h 40m
Shenzhen Airlines
Fri 20/1102:50
SGN
-
LHR
1 stop23h 20m
Shenzhen Airlines
Deal found 16/5£472

Find flight deals from Heathrow to Vietnam

Keep the following information in mind while searching for Heathrow to Vietnam flight deals. Data was last updated 20 May 2026.

Round-trip from

£408

One-way from

£292

Popular in

July

Cheapest in

November

Average price

£582

Good round-trip deal

£731 or less

Good one-way deal

£420 or less
Air China
  • Air China
  • 17/9-13/10
  • 2 total stops
  • 70h 30m total
  • London to Vietnam
Search Deals
Shenzhen Airlines
  • Shenzhen Airlines
  • 27/9
  • 1 total stop
  • 29h 35m total
  • London to Vietnam
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£66 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 May 2026
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

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 20 May 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Vietnam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 21/9

22:05-01:10

1 stop21h 05m

Hanoi Noibai

Sun 4/10

02:10-19:50

1 stop23h 40m

£474

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Sun 13/9

22:05-01:50

1 stop21h 45m

Ho Chi Minh City

Fri 16/10

02:50-19:50

1 stop23h 00m

£586

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Mon 22/6

22:05-01:50

1 stop21h 45m

Ho Chi Minh City

Sun 5/7

02:50-19:50

1 stop23h 00m

£662

LondonDa Nang

LHR - DAD

LHRDAD

London Heathrow

Fri 12/6

14:45-15:20

2 stops42h 35m

Da Nang

Tue 16/6

15:15-18:45

2 stops33h 30m

£693

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Wed 3/6

20:50-12:15

2 stops33h 25m

Hanoi Noibai

Sun 14/6

10:35-06:30

2 stops25h 55m

£694

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Tue 15/9

16:00-13:55

1 stop15h 55m

Hanoi Noibai

Mon 5/10

08:45-22:00

1 stop19h 15m

£694

LondonDa Nang

LHR - DAD

LHRDAD

London Heathrow

Thu 25/6

20:50-19:45

2 stops40h 55m

Da Nang

Wed 8/7

20:50-15:05

2 stops48h 15m

£699

LondonDa Nang

LHR - DAD

LHRDAD

London Heathrow

Wed 17/6

21:45-19:45

2 stops40h 00m

Da Nang

Sat 4/7

20:50-07:00

2 stops40h 10m

£699

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 26/10

14:55-12:20

1 stop14h 25m

Hanoi Noibai

Wed 9/12

08:55-19:50

1 stop17h 55m

£705

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Thu 25/6

08:25-07:15

1 stop16h 50m

Hanoi Noibai

Thu 16/7

08:45-17:55

1 stop15h 10m

£711

Flights are sorted by cheapest return flights first.

Deals found on 16/5

Showing 1-10 of 60 resultsSorted by cheapest first
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 £536). Flying from London Heathrow Airport to Vietnam in December is currently the most expensive (average of £1,000). 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.

How often are flights from London to Vietnam delayed?

About 15% of weekly flights between London and Vietnam have experienced delays in the past year, with the average delay time being 155 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?

Saturday 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 15% of flights being delayed.

How far ahead should I book a flight from London Heathrow Airport to Vietnam?

The best time to book flights from London Heathrow Airport to Vietnam is 80 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.

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 20 May 2026.
See what other customers who have flown with Vietnam Airlines,Cathay Pacific, andChina Southern 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.
Vietnam Airlines
7.7
Good
270 reviews
Check prices

Food

6.9

Overall

7.7

Comfort

7.7

Crew

8.2

Entertainment

6.3

Boarding

7.7

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
Vietnam Airlines
7.7
Good
270 reviews
Vietnam Airlines
7.7
Good
270 reviews
Check prices

Food

6.9

Overall

7.7

Comfort

7.7

Crew

8.2

Entertainment

6.3

Boarding

7.7

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
Cathay Pacific
7.6
Good
1,337 reviews
Vietnam Airlines
7.7
Good
270 reviews
Check prices

Food

6.9

Overall

7.7

Comfort

7.7

Crew

8.2

Entertainment

6.3

Boarding

7.7

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
China Southern
7.5
Good
152 reviews
Vietnam Airlines
7.7
Good
270 reviews
Check prices

Food

6.9

Overall

7.7

Comfort

7.7

Crew

8.2

Entertainment

6.3

Boarding

7.7

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
Qatar Airways
7.4
Good
3,729 reviews
Vietnam Airlines
7.7
Good
270 reviews
Check prices

Food

6.9

Overall

7.7

Comfort

7.7

Crew

8.2

Entertainment

6.3

Boarding

7.7

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
Etihad Airways
7.3
Good
1,438 reviews
Vietnam Airlines
7.7
Good
270 reviews
Check prices

Food

6.9

Overall

7.7

Comfort

7.7

Crew

8.2

Entertainment

6.3

Boarding

7.7

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.

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 £474, Shenzhen Airlines can have you in Vietnam from London Heathrow Airport in 21h 05m. Airlines will cover a distance of 5736 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 (£243), Etihad Airways (£253), and Hainan Airlines (£255).

  • 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 (85%), Scandinavian Airlines (85%) or Cambodia Angkor Air (83%) 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 £976 for a flight from London Heathrow Airport to Vietnam. The cheapest flight overall is £404 while the most popular route, (London Heathrow - Hanoi Noibai) is currently priced at £442.

  • 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 £536). Flying from London Heathrow Airport to Vietnam in December is currently the most expensive (average of £1,000). 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
Heathrow to Haneda flights
Stansted to Suvarnabhumi flights
London City to Suvarnabhumi flights
Heathrow to Narita flights
Heathrow to Kuala Lumpur Intl flights
Gatwick to Narita flights
Gatwick to Haneda flights
Heathrow to New Delhi flights
Stansted to Narita flights
Heathrow to Hong Kong flights
Heathrow to Colombo flights
Stansted to Haneda flights
Heathrow to Don Mueang Intl flights
Heathrow to Mumbai flights
London City to Narita flights
Gatwick to Don Mueang Intl flights
Heathrow to Manila flights
Heathrow to Incheon Intl flights
Gatwick to Kuala Lumpur Intl flights
Heathrow to Islamabad flights
Heathrow to Hongqiao Intl flights
London City to Haneda flights
Luton to Suvarnabhumi flights
Heathrow to Singapore flights
Gatwick to Manila flights
Gatwick to Hongqiao Intl flights
Heathrow to Denpasar flights
Stansted to Kuala Lumpur Intl flights
Heathrow to Hyderabad flights
Stansted to Manila flights
Heathrow to Bangalore flights
London City to Manila flights
Stansted to New Delhi flights
Gatwick to New Delhi flights
Gatwick to Islamabad flights
Stansted to Islamabad flights
Heathrow to Hanoi flights
Gatwick to Denpasar flights
London City to Kuala Lumpur Intl flights
Gatwick to Singapore flights
Stansted to Denpasar flights
London City to Denpasar flights
Gatwick to Colombo flights
Stansted to Colombo flights
Heathrow to Lahore flights
Heathrow to Pu Dong flights
Heathrow to Chennai flights
Gatwick to Pu Dong 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 20 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest£190Average£312FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Etihad AirwaysCheapest£342Average£658FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air ChinaCheapest£366Average£446FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air IndiaCheapest£371Average£606FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Shenzhen AirlinesCheapest£377Average£494FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China EasternCheapest£380Average£478FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£398Average£563FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air FranceCheapest£507Average£592FlexibilityNo cancel feeOn-time77%
Search Air France flights
Malaysia AirlinesCheapest£509Average£700FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Cathay PacificCheapest£552Average£794FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific 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.