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Cheap flights from London Heathrow Airport to Vietnam from £269

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SGN
9 Apr — 16 Apr1
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 10 March 2026.

Sun 26/421:20
LHR
-
HAN
2 stops35h 25m
China Eastern
Mon 11/518:45
HAN
-
LHR
1 stop29h 55m
China Eastern
Deal found 9/3£394
Tue 2/621:20
LHR
-
HAN
1 stop34h 40m
China Eastern
Wed 17/602:20
HAN
-
LHR
1 stop22h 20m
China Eastern
Deal found 5/3£395
Sat 25/421:20
LHR
-
HAN
1 stop22h 00m
China Eastern
Mon 8/618:45
HAN
-
LHR
1 stop29h 55m
China Eastern
Deal found 7/3£396
Wed 27/521:20
LHR
-
HAN
1 stop22h 00m
China Eastern
Tue 9/615:00
HAN
-
LHR
1 stop33h 40m
China Eastern
Deal found 9/3£397
Wed 29/421:20
LHR
-
HAN
1 stop34h 40m
China Eastern
Wed 10/615:00
HAN
-
LHR
1 stop33h 40m
China Eastern
Deal found 8/3£397
Fri 17/422:00
LHR
-
HAN
2 stops40h 05m
Hainan Airlines
Thu 7/521:10
HAN
-
LHR
2 stops28h 20m
Hainan Airlines
Deal found 6/3£398
Fri 10/422:00
LHR
-
HAN
2 stops40h 05m
Hainan Airlines
Thu 30/421:10
HAN
-
LHR
2 stops28h 20m
Hainan Airlines
Deal found 7/3£399
Fri 17/422:00
LHR
-
HAN
2 stops40h 05m
Hainan Airlines
Sun 3/521:10
HAN
-
LHR
2 stops28h 20m
Hainan Airlines
Deal found 8/3£400
Wed 29/421:20
LHR
-
HAN
1 stop38h 25m
China Eastern
Tue 19/515:45
HAN
-
LHR
2 stops32h 55m
China Eastern
Deal found 8/3£402
Wed 6/522:00
LHR
-
HAN
1 stop16h 05m
Hainan Airlines
Sun 17/521:10
HAN
-
LHR
2 stops28h 20m
Hainan Airlines
Deal found 7/3£405
Sat 25/422:40
LHR
-
SGN
1 stop20h 00m
Air China
Wed 13/505:10
SGN
-
LHR
1 stop18h 30m
Air China
Deal found 6/3£462
Fri 24/422:05
LHR
-
SGN
1 stop21h 45m
Shenzhen Airlines
Fri 8/502:50
SGN
-
LHR
1 stop23h 00m
Shenzhen Airlines
Deal found 6/3£463

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 10 March 2026.

Round-trip from

£394

One-way from

£269

Popular in

July

Cheapest in

November

Average price

£692

Good round-trip deal

£680 or less

Good one-way deal

£459 or less
China Eastern
  • China Eastern
  • 26/4-11/5
  • 3 total stops
  • 65h 20m total
  • London to Vietnam
Search Deals
Shenzhen Airlines
  • Shenzhen Airlines
  • 22/4
  • 1 total stop
  • 21h 45m total
  • London to Vietnam
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£62 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 10 March 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

Wed 13/5

21:20-17:45

1 stop38h 25m

Hanoi Noibai

Sun 17/5

18:45-18:40

1 stop29h 55m

£456

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 4/5

22:05-17:40

1 stop37h 35m

Hanoi Noibai

Sun 24/5

18:40-19:50

1 stop31h 10m

£476

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sun 17/5

21:20-17:45

1 stop38h 25m

Hanoi Noibai

Wed 20/5

15:45-18:40

2 stops32h 55m

£487

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Wed 27/5

21:20-18:10

3 stops38h 50m

Ho Chi Minh City

Sun 7/6

02:35-18:40

1 stop22h 05m

£492

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Tue 26/5

21:20-18:10

2 stops38h 50m

Ho Chi Minh City

Sat 6/6

02:35-18:40

1 stop22h 05m

£492

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Thu 18/6

21:20-14:45

2 stops35h 25m

Hanoi Noibai

Thu 9/7

15:00-18:40

1 stop33h 40m

£495

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 18/5

21:20-14:45

2 stops35h 25m

Hanoi Noibai

Wed 27/5

18:45-18:40

1 stop29h 55m

£496

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sun 17/5

21:20-14:45

3 stops59h 25m

Hanoi Noibai

Wed 3/6

02:20-18:40

1 stop22h 20m

£498

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Thu 14/5

21:20-14:45

2 stops35h 25m

Hanoi Noibai

Mon 25/5

15:45-18:40

2 stops32h 55m

£501

LondonNha Trang

LHR - CXR

LHRCXR

London Heathrow

Sat 16/5

22:10-08:05

2 stops27h 55m

Nha Trang Cam Ranh

Sat 30/5

21:50-16:15

2 stops24h 25m

£532

Flights are sorted by cheapest return flights first.

Deals found on 6/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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 £370). Flying from London Heathrow Airport to Vietnam in August is currently the most expensive (average of £586). 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 10 March 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 10 March 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
237 reviews
Check prices

Entertainment

6.3

Comfort

7.6

Food

6.8

Overall

7.7

Crew

8.2

Boarding

7.7

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
237 reviews
Vietnam Airlines
7.7
Good
237 reviews
Check prices

Entertainment

6.3

Comfort

7.6

Food

6.8

Overall

7.7

Crew

8.2

Boarding

7.7

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
1,202 reviews
Vietnam Airlines
7.7
Good
237 reviews
Check prices

Entertainment

6.3

Comfort

7.6

Food

6.8

Overall

7.7

Crew

8.2

Boarding

7.7

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
3,742 reviews
Vietnam Airlines
7.7
Good
237 reviews
Check prices

Entertainment

6.3

Comfort

7.6

Food

6.8

Overall

7.7

Crew

8.2

Boarding

7.7

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
142 reviews
Vietnam Airlines
7.7
Good
237 reviews
Check prices

Entertainment

6.3

Comfort

7.6

Food

6.8

Overall

7.7

Crew

8.2

Boarding

7.7

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
7,781 reviews
Vietnam Airlines
7.7
Good
237 reviews
Check prices

Entertainment

6.3

Comfort

7.6

Food

6.8

Overall

7.7

Crew

8.2

Boarding

7.7

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 £664, China Eastern can have you in Vietnam from London Heathrow Airport in 31h 10m. 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 (£242), Air China (£256), and China Eastern (£256).

  • 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%), Scandinavian Airlines (96%) or Cambodia Angkor Air (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 £1,006 for a flight from London Heathrow Airport to Vietnam. The cheapest flight overall is £414 while the most popular route, (London Heathrow - Hanoi Noibai) is currently priced at £394.

  • 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 £370). Flying from London Heathrow Airport to Vietnam in August is currently the most expensive (average of £586). 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 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£357Average£429FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air IndiaCheapest£370Average£592FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Shenzhen AirlinesCheapest£376Average£497FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China EasternCheapest£379Average£468FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£390Average£562FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Malaysia AirlinesCheapest£505Average£675FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Etihad AirwaysCheapest£514Average£617FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air FranceCheapest£516Average£817FlexibilityNo cancel feeOn-time77%
Search Air France flights
Cathay PacificCheapest£558Average£775FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Vietnam AirlinesCheapest£561Average£788FlexibilityNo 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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