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Cheap flights from London Heathrow Airport to Vietnam from £321

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 22/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SGN
28 Jun — 5 Jul1
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 29 May 2026.

Thu 17/922:40
LHR
-
HAN
1 stop31h 15m
Air China
Sun 11/1013:25
HAN
-
LHR
1 stop37h 00m
Air China
Deal found 28/5£437
Wed 16/922:05
LHR
-
HAN
1 stop37h 20m
Shenzhen Airlines
Tue 6/1002:10
HAN
-
LHR
1 stop23h 50m
Shenzhen Airlines
Deal found 28/5£443
Mon 9/1121:10
LHR
-
HAN
1 stop21h 00m
Shenzhen Airlines
Sun 15/1102:10
HAN
-
LHR
1 stop24h 00m
Shenzhen Airlines
Deal found 27/5£444
Wed 23/922:05
LHR
-
HAN
1 stop34h 00m
Shenzhen Airlines
Tue 13/1002:10
HAN
-
LHR
1 stop23h 50m
Shenzhen Airlines
Deal found 26/5£446
Mon 21/922:05
LHR
-
HAN
1 stop21h 05m
Shenzhen Airlines
Sat 10/1018:25
HAN
-
LHR
1 stop31h 35m
Shenzhen Airlines
Deal found 24/5£458
Wed 23/922:05
LHR
-
HAN
1 stop21h 05m
Shenzhen Airlines
Sun 18/1018:25
HAN
-
LHR
1 stop31h 25m
Shenzhen Airlines
Deal found 24/5£461
Sat 14/1121:10
LHR
-
HAN
1 stop21h 00m
Shenzhen Airlines
Sun 6/1202:10
HAN
-
LHR
1 stop24h 00m
Shenzhen Airlines
Deal found 28/5£464
Wed 2/1217:40
LHR
-
SGN
1 stop24h 30m
Air China
Wed 9/1205:00
SGN
-
LHR
1 stop17h 55m
Air China
Deal found 25/5£488
Mon 26/1021:10
LHR
-
SGN
1 stop21h 40m
Shenzhen Airlines
Sun 15/1102:50
SGN
-
LHR
1 stop23h 20m
Shenzhen Airlines
Deal found 24/5£494
Thu 12/1117:40
LHR
-
SGN
1 stop24h 30m
Air China
Sat 28/1105:00
SGN
-
LHR
1 stop17h 55m
Air China
Deal found 24/5£503
Thu 12/1120:25
LHR
-
SGN
1 stop21h 45m
Air China
Sat 21/1105:00
SGN
-
LHR
1 stop17h 55m
Air China
Deal found 25/5£505
Wed 30/922:05
LHR
-
SGN
1 stop21h 45m
Shenzhen Airlines
Sun 11/1002:50
SGN
-
LHR
1 stop23h 00m
Shenzhen Airlines
Deal found 24/5£522

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 29 May 2026.

Round-trip from

£437

One-way from

£321

Popular in

July

Cheapest in

November

Average price

£583

Good round-trip deal

£733 or less

Good one-way deal

£420 or less
Air China
  • Air China
  • 17/9-11/10
  • 2 total stops
  • 68h 15m total
  • London to Vietnam
Search Deals
Hainan Airlines
  • Hainan Airlines
  • 22/6
  • 2 total stops
  • 39h 50m total
  • London to Vietnam
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£68 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% 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 29 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

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Mon 5/10

22:05-01:50

1 stop21h 45m

Ho Chi Minh City

Fri 9/10

02:50-19:50

1 stop23h 00m

£584

LondonNha Trang

LHR - CXR

LHRCXR

London Heathrow

Sun 15/11

17:15-08:05

2 stops31h 50m

Nha Trang Cam Ranh

Fri 27/11

21:30-18:35

2 stops28h 05m

£630

LondonDa Nang

LHR - DAD

LHRDAD

London Heathrow

Fri 25/9

14:45-19:45

2 stops23h 00m

Da Nang

Mon 12/10

15:15-18:45

2 stops33h 30m

£680

LondonDa Nang

LHR - DAD

LHRDAD

London Heathrow

Sun 21/6

21:45-19:45

2 stops40h 00m

Da Nang

Sun 28/6

15:15-18:45

2 stops33h 30m

£680

LondonDa Nang

LHR - DAD

LHRDAD

London Heathrow

Mon 21/9

14:45-19:45

2 stops23h 00m

Da Nang

Sun 11/10

15:15-18:45

2 stops33h 30m

£680

LondonDa Nang

LHR - DAD

LHRDAD

London Heathrow

Thu 11/6

20:45-19:45

2 stops41h 00m

Da Nang

Thu 2/7

15:15-15:05

2 stops29h 50m

£700

LondonDa Nang

LHR - DAD

LHRDAD

London Heathrow

Sat 13/6

09:30-15:20

2 stops23h 50m

Da Nang

Thu 25/6

15:15-15:05

2 stops29h 50m

£715

LondonDa Nang

LHR - DAD

LHRDAD

London Heathrow

Thu 11/6

20:45-19:45

2 stops41h 00m

Da Nang

Mon 6/7

20:50-07:00

2 stops40h 10m

£717

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Fri 7/8

08:25-13:50

1 stop23h 25m

Ho Chi Minh City

Tue 6/10

20:00-14:10

1 stop24h 10m

£723

LondonDa Nang

LHR - DAD

LHRDAD

London Heathrow

Fri 20/11

21:25-13:40

1 stop33h 15m

Da Nang

Tue 1/12

11:25-05:35

1 stop25h 10m

£723

Flights are sorted by cheapest return flights first.

Deals found on 28/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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 £535). Flying from London Heathrow Airport to Vietnam in December is currently the most expensive (average of £1,045). 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 29 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
271 reviews
Check prices

Crew

8.2

Overall

7.7

Boarding

7.8

Entertainment

6.3

Food

6.9

Comfort

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
271 reviews
Vietnam Airlines
7.7
Good
271 reviews
Check prices

Crew

8.2

Overall

7.7

Boarding

7.8

Entertainment

6.3

Food

6.9

Comfort

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
1,350 reviews
Vietnam Airlines
7.7
Good
271 reviews
Check prices

Crew

8.2

Overall

7.7

Boarding

7.8

Entertainment

6.3

Food

6.9

Comfort

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
271 reviews
Check prices

Crew

8.2

Overall

7.7

Boarding

7.8

Entertainment

6.3

Food

6.9

Comfort

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
3,727 reviews
Vietnam Airlines
7.7
Good
271 reviews
Check prices

Crew

8.2

Overall

7.7

Boarding

7.8

Entertainment

6.3

Food

6.9

Comfort

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
1,445 reviews
Vietnam Airlines
7.7
Good
271 reviews
Check prices

Crew

8.2

Overall

7.7

Boarding

7.8

Entertainment

6.3

Food

6.9

Comfort

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 £584, Shenzhen Airlines can have you in Vietnam from London Heathrow Airport in 21h 45m. 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 (£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 £988 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 £443.

  • 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 £535). Flying from London Heathrow Airport to Vietnam in December is currently the most expensive (average of £1,045). 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

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Alternative routes for Heathrow to Vietnam

See prices for flight routes from nearby airports that may be better suited for you.
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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 29 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest£190Average£312FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Etihad AirwaysCheapest£342Average£670FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air ChinaCheapest£365Average£447FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air IndiaCheapest£371Average£607FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Shenzhen AirlinesCheapest£377Average£494FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China EasternCheapest£379Average£478FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£413Average£565FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air FranceCheapest£506Average£592FlexibilityNo cancel feeOn-time77%
Search Air France flights
Malaysia AirlinesCheapest£520Average£702FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Cathay PacificCheapest£551Average£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!

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