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Cheap flights from London Heathrow Airport to Vietnam from £273

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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SGN
1 May — 8 May1
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 1 April 2026.

Fri 10/409:15
LHR
-
HAN
1 stop15h 25m
Etihad Airways
Sat 25/408:25
HAN
-
LHR
1 stop16h 55m
Etihad Airways
Deal found 31/3£393
Sat 4/421:10
LHR
-
HAN
1 stop27h 30m
Etihad Airways
Sat 2/508:25
HAN
-
LHR
1 stop16h 20m
Etihad Airways
Deal found 31/3£396
Fri 15/509:30
LHR
-
HAN
1 stop15h 10m
Etihad Airways
Sat 25/720:40
HAN
-
LHR
1 stop16h 20m
Etihad Airways
Deal found 31/3£399
Sat 4/421:10
LHR
-
HAN
1 stop27h 30m
Etihad Airways
Sat 18/420:40
HAN
-
LHR
1 stop28h 40m
Etihad Airways
Deal found 1/4£400
Sun 20/920:25
LHR
-
HAN
1 stop33h 30m
Air China
Fri 20/1113:30
HAN
-
LHR
1 stop35h 20m
Air China
Deal found 29/3£409
Thu 28/514:45
LHR
-
HAN
1 stop33h 55m
Multiple Airlines
Thu 18/621:10
HAN
-
LHR
2 stops28h 20m
Multiple Airlines
Deal found 30/3£432
Wed 6/522:00
LHR
-
HAN
1 stop16h 05m
Hainan Airlines
Thu 21/521:10
HAN
-
LHR
2 stops28h 20m
Hainan Airlines
Deal found 27/3£434
Wed 3/622:00
LHR
-
HAN
1 stop16h 05m
Hainan Airlines
Thu 18/621:10
HAN
-
LHR
2 stops28h 20m
Hainan Airlines
Deal found 28/3£434
Sun 20/922:40
LHR
-
HAN
1 stop31h 15m
Air China
Sun 11/1013:25
HAN
-
LHR
1 stop34h 15m
Air China
Deal found 31/3£437
Fri 5/622:00
LHR
-
HAN
2 stops40h 05m
Hainan Airlines
Sun 21/621:10
HAN
-
LHR
2 stops28h 20m
Hainan Airlines
Deal found 31/3£440
Wed 6/520:25
LHR
-
SGN
1 stop22h 15m
Air China
Sun 17/505:10
SGN
-
LHR
1 stop21h 15m
Air China
Deal found 30/3£462
Wed 13/522:05
LHR
-
SGN
1 stop21h 45m
Shenzhen Airlines
Tue 19/502:50
SGN
-
LHR
1 stop23h 10m
Shenzhen Airlines
Deal found 29/3£464

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 1 April 2026.

Round-trip from

£399

One-way from

£273

Popular in

July

Cheapest in

November

Average price

£631

Good round-trip deal

£675 or less

Good one-way deal

£447 or less
Etihad Airways
  • Etihad Airways
  • 15/5-25/7
  • 2 total stops
  • 31h 30m total
  • London to Vietnam
Search Deals
Etihad Airways
  • Etihad Airways
  • 11/4
  • 1 total stop
  • 27h 30m total
  • London to Vietnam
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£64 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 1 April 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

Sun 3/5

22:05-01:50

1 stop21h 45m

Ho Chi Minh City

Sat 23/5

02:50-20:00

1 stop23h 10m

£575

LondonPhu Quoc

LHR - PQC

LHRPQC

London Heathrow

Tue 2/6

19:50-21:30

1 stop19h 40m

Phu Quoc Duong Dang

Tue 9/6

07:10-17:50

1 stop16h 40m

£659

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 22/5

09:30-06:40

1 stop15h 10m

Hanoi Noibai

Mon 1/6

08:25-07:00

1 stop28h 35m

£662

LondonDa Nang

LHR - DAD

LHRDAD

London Heathrow

Sun 7/6

14:45-15:20

2 stops42h 35m

Da Nang

Mon 22/6

12:50-07:00

2 stops48h 10m

£731

LondonDa Nang

LHR - DAD

LHRDAD

London Heathrow

Sat 13/6

14:45-12:05

2 stops39h 20m

Da Nang

Thu 25/6

20:50-15:05

2 stops48h 15m

£732

LondonDa Nang

LHR - DAD

LHRDAD

London Heathrow

Sun 24/5

21:45-15:20

2 stops35h 35m

Da Nang

Thu 28/5

20:50-12:45

2 stops45h 55m

£738

LondonVinh City

LHR - VII

LHRVII

London Heathrow

Fri 15/5

22:40-06:50

2 stops26h 10m

Vinh City

Fri 22/5

13:45-20:25

2 stops36h 40m

£741

LondonPhu Quoc

LHR - PQC

LHRPQC

London Heathrow

Wed 22/4

21:20-20:00

2 stops40h 40m

Phu Quoc Duong Dang

Wed 6/5

21:00-18:40

2 stops51h 40m

£741

LondonPhu Quoc

LHR - PQC

LHRPQC

London Heathrow

Sat 18/4

22:40-10:10

2 stops29h 30m

Phu Quoc Duong Dang

Mon 11/5

18:55-17:40

2 stops28h 45m

£744

LondonDa Nang

LHR - DAD

LHRDAD

London Heathrow

Wed 13/5

21:45-15:20

2 stops35h 35m

Da Nang

Sun 17/5

12:50-07:00

2 stops24h 10m

£754

Flights are sorted by cheapest return flights first.

Deals found on 31/3

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 £377). Flying from London Heathrow Airport to Vietnam in August is currently the most expensive (average of £595). 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 1 April 2026.

When flying from London Heathrow Airport to Vietnam, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How often are flights from London to Vietnam delayed?

About 16% of weekly flights between London and Vietnam have experienced delays in the past year, with the average delay time being 180 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?

Friday 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 16% 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 1 April 2026.
See what other customers who have flown with Vietnam Airlines,Cathay Pacific, andQatar Airways 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
252 reviews
Check prices

Crew

8.2

Comfort

7.7

Boarding

7.7

Entertainment

6.3

Overall

7.7

Food

6.9

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.
Vietnam Airlines
7.7
Good
252 reviews
Vietnam Airlines
7.7
Good
252 reviews
Check prices

Crew

8.2

Comfort

7.7

Boarding

7.7

Entertainment

6.3

Overall

7.7

Food

6.9

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.
Cathay Pacific
7.6
Good
1,234 reviews
Vietnam Airlines
7.7
Good
252 reviews
Check prices

Crew

8.2

Comfort

7.7

Boarding

7.7

Entertainment

6.3

Overall

7.7

Food

6.9

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.
Qatar Airways
7.4
Good
3,732 reviews
Vietnam Airlines
7.7
Good
252 reviews
Check prices

Crew

8.2

Comfort

7.7

Boarding

7.7

Entertainment

6.3

Overall

7.7

Food

6.9

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.
China Southern
7.4
Good
146 reviews
Vietnam Airlines
7.7
Good
252 reviews
Check prices

Crew

8.2

Comfort

7.7

Boarding

7.7

Entertainment

6.3

Overall

7.7

Food

6.9

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.
British Airways
6.7
Okay
7,839 reviews
Vietnam Airlines
7.7
Good
252 reviews
Check prices

Crew

8.2

Comfort

7.7

Boarding

7.7

Entertainment

6.3

Overall

7.7

Food

6.9

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.

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 £662, Shenzhen Airlines can have you in Vietnam from London Heathrow Airport in 15h 10m. 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 (£246), Air China (£261), and China Eastern (£274).

  • 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 (96%), Cambodia Angkor Air (96%) or Scandinavian Airlines (96%) 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 £1,107 for a flight from London Heathrow Airport to Vietnam. The cheapest flight overall is £415 while the most popular route, (London Heathrow - Hanoi Noibai) is currently priced at £312.

  • 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 £377). Flying from London Heathrow Airport to Vietnam in August is currently the most expensive (average of £595). 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 1 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£373Average£435FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air IndiaCheapest£377Average£608FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Shenzhen AirlinesCheapest£383Average£495FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China EasternCheapest£385Average£485FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£392Average£589FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Malaysia AirlinesCheapest£511Average£689FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Air FranceCheapest£524Average£881FlexibilityNo cancel feeOn-time77%
Search Air France flights
Etihad AirwaysCheapest£530Average£633FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Cathay PacificCheapest£565Average£796FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Vietnam AirlinesCheapest£571Average£801FlexibilityNo 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!

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