Cheap flights from London Heathrow Airport to Vietnam from £270

LHR — SGN
9 Dec — 16 Dec1
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

Wed 11/1121:10 -
1 stop21h 00m
Tue 24/1102:10 -
1 stop24h 00m
Deal found 9/11£389
Sat 21/1121:10 -
1 stop21h 00m
Thu 3/1202:10 -
1 stop24h 00m
Deal found 7/11£390
Tue 1/1222:30 -
1 stop20h 00m
Mon 21/1202:30 -
1 stop25h 00m
Deal found 5/11£394
Sun 15/1121:10 -
1 stop21h 00m
Thu 14/110:40 -
1 stop16h 50m
Deal found 6/11£394
Thu 26/1122:30 -
1 stop31h 20m
Thu 10/1213:50 -
1 stop36h 20m
Deal found 4/11£395
Mon 23/1121:10 -
1 stop21h 00m
Tue 8/1202:10 -
1 stop24h 00m
Deal found 4/11£396
Fri 27/1121:10 -
1 stop21h 20m
Fri 4/1213:50 -
1 stop36h 20m
Deal found 8/11£397
Mon 23/1121:10 -
1 stop21h 00m
Mon 7/1202:10 -
1 stop25h 20m
Deal found 5/11£398
Sun 15/1121:10 -
1 stop21h 20m
Tue 8/1213:50 -
1 stop36h 20m
Deal found 8/11£400
Thu 19/1122:30 -
1 stop31h 20m
Sun 27/1202:30 -
1 stop23h 40m
Deal found 8/11£404
Thu 26/1122:30 -
1 stop20h 00m
Tue 8/1202:30 -
1 stop23h 40m
Deal found 7/11£404
Fri 27/1121:10 -
1 stop29h 30m
Fri 4/1218:30 -
1 stop31h 40m
Deal found 8/11£405

Find flight deals from Heathrow to Vietnam

Round-trip from

£389

One-way from

£270

Popular in

December

Cheapest in

September

Average price

£506

Good round-trip deal

£675 or less

Good one-way deal

£406 or less
Shenzhen Airlines
  • Shenzhen Airlines
  • 25/11-19/1
  • 2 total stops
  • 45h 00m total
  • London to Vietnam
Hainan Airlines
  • Hainan Airlines
  • 20/1-31/12
  • 1 total stop
  • 17h 10m total
  • London to Vietnam
High demand for flights, 3% potential price rise
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from London Heathrow to Vietnam.
Price to beat on a one-way flight from London Heathrow to Vietnam.

Cheapflights Fare Finder

 
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 London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Tue 5/1

22:30-09:40

1 stop28h 10m

Hanoi Noibai

Wed 31/12

00:00-17:00

Nonstop0h 00m

£313

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Sun 31/1

21:10-17:30

1 stop37h 20m

Hanoi Noibai

Wed 31/12

00:00-17:00

Nonstop0h 00m

£314

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Tue 2/2

22:30-09:40

1 stop28h 10m

Hanoi Noibai

Wed 31/12

00:00-17:00

Nonstop0h 00m

£314

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Sat 30/1

21:10-13:55

1 stop33h 45m

Hanoi Noibai

Wed 31/12

00:00-17:00

Nonstop0h 00m

£316

LondonDa Nang

LHR London Heathrow - DAD Da Nang

LHRDAD

London Heathrow

Fri 15/1

21:30-09:20

2 stops52h 50m

Da Nang

Wed 31/12

00:00-17:00

Nonstop0h 00m

£320

LondonDa Nang

LHR London Heathrow - DAD Da Nang

LHRDAD

London Heathrow

Tue 20/4

21:00-09:20

2 stops30h 20m

Da Nang

Wed 31/12

00:00-17:00

Nonstop0h 00m

£335

LondonNha Trang

LHR London Heathrow - CXR Nha Trang Cam Ranh

LHRCXR

London Heathrow

Mon 18/1

21:30-12:20

3 stops31h 50m

Nha Trang Cam Ranh

Wed 31/12

00:00-17:00

Nonstop0h 00m

£353

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Sun 6/12

08:40-18:10

1 stop26h 30m

Hanoi Noibai

Wed 31/12

00:00-17:00

Nonstop0h 00m

£354

LondonNha Trang

LHR London Heathrow - CXR Nha Trang Cam Ranh

LHRCXR

London Heathrow

Fri 15/1

21:10-09:30

2 stops29h 20m

Nha Trang Cam Ranh

Wed 31/12

00:00-17:00

Nonstop0h 00m

£354

LondonDa Nang

LHR London Heathrow - DAD Da Nang

LHRDAD

London Heathrow

Tue 26/1

21:30-09:20

2 stops28h 50m

Da Nang

Wed 31/12

00:00-17:00

Nonstop0h 00m

£357

Flights are sorted by cheapest return flights first.

Deals found on 9/11

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

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 £628). Flying from London Heathrow Airport to Vietnam in December is currently the most expensive (average of £950). 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?

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 10% of weekly flights between London and Vietnam have experienced delays in the past year, with the average delay time being 137 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 Thursday 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 10% 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 87 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

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.

Food

6.9

Overall

7.7

Comfort

7.7

Crew

8.3

Boarding

7.8

Entertainment

6.3

Reviews

1 / 17
6.0
Good

Laura,Sept 2026

DAD - SGN

Flight was delayed - no communication until we boarded nearly an hour late

Food

6.9

Overall

7.7

Comfort

7.7

Crew

8.3

Boarding

7.8

Entertainment

6.3

Reviews

1 / 17
6.0
Good

Laura,Sept 2026

DAD - SGN

Flight was delayed - no communication until we boarded nearly an hour late

Food

6.9

Overall

7.7

Comfort

7.7

Crew

8.3

Boarding

7.8

Entertainment

6.3

Reviews

1 / 17
6.0
Good

Laura,Sept 2026

DAD - SGN

Flight was delayed - no communication until we boarded nearly an hour late

Food

6.9

Overall

7.7

Comfort

7.7

Crew

8.3

Boarding

7.8

Entertainment

6.3

Reviews

1 / 17
6.0
Good

Laura,Sept 2026

DAD - SGN

Flight was delayed - no communication until we boarded nearly an hour late

Food

6.9

Overall

7.7

Comfort

7.7

Crew

8.3

Boarding

7.8

Entertainment

6.3

Reviews

1 / 17
6.0
Good

Laura,Sept 2026

DAD - SGN

Flight was delayed - no communication until we boarded nearly an hour late

Food

6.9

Overall

7.7

Comfort

7.7

Crew

8.3

Boarding

7.8

Entertainment

6.3

Reviews

1 / 17
6.0
Good

Laura,Sept 2026

DAD - SGN

Flight was delayed - no communication until we boarded nearly an hour late

Related info for your journey

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

    For as low as £643, Shenzhen Airlines can have you in Vietnam from London Heathrow Airport in 30h 15m. Airlines will cover a distance of 6116 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 (£254), and Air China (£256).

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

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

    On average you can expect to pay £1,648 for a flight from London Heathrow Airport to Vietnam. The cheapest flight overall is £381 while the most popular route, (London Heathrow - Hanoi Noibai) is currently priced at £405.

  • 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 £628). Flying from London Heathrow Airport to Vietnam in December is currently the most expensive (average of £950). 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

Alternative routes for Heathrow to Vietnam

Top 10 airlines flying from Heathrow to Vietnam

AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest£126Average£637FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Hainan AirlinesCheapest£191Average£393FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Etihad AirwaysCheapest£346Average£706FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air ChinaCheapest£365Average£454FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£372Average£500FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China EasternCheapest£381Average£488FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£396Average£566FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Malaysia AirlinesCheapest£527Average£740FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
British AirwaysCheapest£575Average£771FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Cathay PacificCheapest£578Average£850FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

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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.

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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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