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Cheap flights from London Heathrow Airport to Vietnam from £258

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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SGN
7 Dec — 14 Dec1
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 7 November 2025.

Round-trip from

£399

One-way from

£258

Popular in

July

Cheapest in

November

Average price

£549

Good round-trip deal

£724 or less

Good one-way deal

£529 or less
Air China
  • Air China
  • 17/2-5/3
  • 2 total stops
  • 68h 00m total
  • London to Vietnam
Search Deals
Shenzhen Airlines
  • Shenzhen Airlines
  • 28/11
  • 1 total stop
  • 28h 30m total
  • London to Vietnam
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£73 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 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 7 November 2025.

Tue 18/1122:10LHR - HAN
2 stops30h 45mAir China
Tue 25/1113:20HAN - LHR
1 stop33h 35mAir China
Deal found 6/11£401
Tue 25/1120:25LHR - HAN
1 stop32h 30mAir China
Wed 3/1213:30HAN - LHR
1 stop35h 20mAir China
Deal found 6/11£406
Wed 26/1117:40LHR - HAN
1 stop35h 20mAir China
Sun 14/1213:20HAN - LHR
1 stop35h 30mAir China
Deal found 6/11£406
Thu 6/1121:35LHR - HAN
2 stops30h 40mAir China
Thu 13/1113:20HAN - LHR
1 stop35h 30mAir China
Deal found 5/11£407
Tue 25/1122:10LHR - HAN
2 stops30h 45mAir China
Tue 24/213:20HAN - LHR
1 stop33h 35mAir China
Deal found 6/11£409
Thu 13/1121:35LHR - HAN
2 stops30h 40mAir China
Tue 2/1213:20HAN - LHR
1 stop33h 35mAir China
Deal found 6/11£409
Mon 17/1120:25LHR - HAN
1 stop32h 35mAir China
Tue 2/1213:20HAN - LHR
1 stop33h 35mAir China
Deal found 5/11£410
Mon 24/1120:25LHR - HAN
1 stop32h 35mAir China
Tue 16/1213:20HAN - LHR
1 stop35h 30mAir China
Deal found 5/11£411
Tue 2/1220:25LHR - HAN
1 stop32h 30mMultiple Airlines
Tue 9/1220:40HAN - LHR
2 stops27h 50mMultiple Airlines
Deal found 6/11£413
Thu 13/1121:35LHR - HAN
2 stops30h 40mAir China
Mon 1/1213:20HAN - LHR
1 stop33h 35mAir China
Deal found 5/11£414
Sat 15/1121:35LHR - HAN
2 stops30h 40mAir China
Tue 25/1113:20HAN - LHR
1 stop35h 30mAir China
Deal found 5/11£415
Thu 27/1121:30LHR - SGN
2 stops21h 10mChina Southern
Sun 7/1211:55SGN - LHR
1 stop37h 40mChina Southern
Deal found 5/11£461

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 7 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

Thu 23/4

22:40-11:55

1 stop31h 15m

Hanoi Noibai

Fri 8/5

13:25-20:30

1 stop37h 05m

£414

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 26/1

21:10-08:40

1 stop28h 30m

Hanoi Noibai

Sat 31/1

02:10-19:10

1 stop24h 00m

£464

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 19/1

21:10-01:10

1 stop21h 00m

Hanoi Noibai

Tue 27/1

02:10-19:10

1 stop24h 00m

£465

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Wed 4/2

21:10-01:10

1 stop21h 00m

Hanoi Noibai

Fri 13/2

19:40-19:10

1 stop30h 30m

£465

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Wed 28/1

21:10-01:10

1 stop21h 00m

Hanoi Noibai

Fri 6/2

02:10-19:10

1 stop24h 00m

£465

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 20/2

21:10-01:10

1 stop21h 00m

Hanoi Noibai

Thu 12/3

14:55-19:10

1 stop35h 15m

£467

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Wed 25/2

21:10-08:40

1 stop28h 30m

Hanoi Noibai

Fri 6/3

02:10-19:10

1 stop24h 00m

£467

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 23/2

21:10-08:40

1 stop28h 30m

Hanoi Noibai

Thu 12/3

14:55-19:10

1 stop35h 15m

£467

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 21/2

21:10-08:40

1 stop28h 30m

Hanoi Noibai

Sat 7/3

03:10-19:10

1 stop23h 00m

£467

LondonNha Trang

LHR - CXR

LHRCXR

London Heathrow

Wed 15/4

19:15-15:10

2 stops37h 55m

Nha Trang Cam Ranh

Wed 22/4

21:25-19:00

2 stops27h 35m

£586

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 60 results
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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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Vietnam (average of £387). Flying from London Heathrow Airport to Vietnam in August is currently the most expensive (average of £600). 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 7 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 13% 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.

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 7 November 2025.
See what other customers who have flown with Cathay Pacific, Vietnam Airlines, 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.
Cathay Pacific
7.6
Good
1,055 reviews
Check prices

Entertainment

7.8

Comfort

7.6

Food

7.3

Overall

7.6

Crew

8.1

Boarding

7.9

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
1,055 reviews
Cathay Pacific
7.6
Good
1,055 reviews
Check prices

Entertainment

7.8

Comfort

7.6

Food

7.3

Overall

7.6

Crew

8.1

Boarding

7.9

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
212 reviews
Cathay Pacific
7.6
Good
1,055 reviews
Check prices

Entertainment

7.8

Comfort

7.6

Food

7.3

Overall

7.6

Crew

8.1

Boarding

7.9

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
1,055 reviews
Check prices

Entertainment

7.8

Comfort

7.6

Food

7.3

Overall

7.6

Crew

8.1

Boarding

7.9

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
7.5
Good
20 reviews
Cathay Pacific
7.6
Good
1,055 reviews
Check prices

Entertainment

7.8

Comfort

7.6

Food

7.3

Overall

7.6

Crew

8.1

Boarding

7.9

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
3,661 reviews
Cathay Pacific
7.6
Good
1,055 reviews
Check prices

Entertainment

7.8

Comfort

7.6

Food

7.3

Overall

7.6

Crew

8.1

Boarding

7.9

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 £464, Air China can have you in Vietnam from London Heathrow Airport in 28h 30m. 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 most popular routes from London Heathrow Airport to Vietnam?

    The most popular flight routes from London Heathrow Airport to Vietnam are London Heathrow - Ho Chi Minh City, London Heathrow - Hanoi Noibai 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 (67%), Scandinavian Airlines (67%) or Cambodia Angkor Air (67%) 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 £1,589 for a flight from London Heathrow Airport to Vietnam. The cheapest flight overall is £437 while the most popular route, (London Heathrow - Ho Chi Minh City) is currently priced at £360.

  • 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Vietnam (average of £387). Flying from London Heathrow Airport to Vietnam in August is currently the most expensive (average of £600). 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 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£378Average£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£529Average£629FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air FranceCheapest£530Average£849FlexibilityNo cancel feeOn-time77%
Search Air France flights
Singapore AirlinesCheapest£565Average£811FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Vietnam AirlinesCheapest£578Average£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!

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