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Cheap flights from London Heathrow Airport to Vietnam from £271

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 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SGN
22 Apr — 29 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 23 March 2026.

Mon 11/521:20
LHR
-
HAN
1 stop34h 40m
China Eastern
Mon 18/515:00
HAN
-
LHR
1 stop33h 40m
China Eastern
Deal found 19/3£391
Wed 22/421:20
LHR
-
HAN
2 stops35h 25m
China Eastern
Tue 5/518:45
HAN
-
LHR
1 stop29h 55m
China Eastern
Deal found 20/3£397
Wed 29/421:20
LHR
-
HAN
2 stops35h 25m
China Eastern
Sun 10/515:00
HAN
-
LHR
1 stop33h 40m
China Eastern
Deal found 21/3£398
Wed 3/621:20
LHR
-
HAN
1 stop22h 00m
China Eastern
Tue 9/602:20
HAN
-
LHR
1 stop22h 20m
China Eastern
Deal found 18/3£407
Mon 13/421:20
LHR
-
HAN
1 stop22h 00m
China Eastern
Tue 12/502:20
HAN
-
LHR
1 stop22h 20m
China Eastern
Deal found 20/3£409
Fri 17/422:00
LHR
-
HAN
2 stops40h 05m
Hainan Airlines
Sun 26/421:10
HAN
-
LHR
2 stops28h 20m
Hainan Airlines
Deal found 21/3£418
Mon 19/1021:20
LHR
-
HAN
1 stop22h 00m
China Eastern
Tue 27/1002:45
HAN
-
LHR
1 stop21h 45m
China Eastern
Deal found 20/3£421
Sat 2/522:05
LHR
-
SGN
1 stop21h 45m
Shenzhen Airlines
Fri 8/502:50
SGN
-
LHR
1 stop23h 00m
Shenzhen Airlines
Deal found 18/3£458
Wed 22/421:20
LHR
-
PQC
2 stops40h 40m
China Eastern
Tue 5/502:50
PQC
-
LHR
1 stop21h 50m
China Eastern
Deal found 20/3£459
Thu 5/1121:00
LHR
-
SGN
1 stop21h 10m
China Eastern
Thu 26/1116:55
SGN
-
LHR
3 stops55h 35m
China Eastern
Deal found 20/3£460
Wed 28/1021:00
LHR
-
SGN
1 stop21h 10m
China Eastern
Tue 8/1216:55
SGN
-
LHR
3 stops55h 35m
China Eastern
Deal found 18/3£461
Tue 17/1121:00
LHR
-
SGN
1 stop21h 10m
China Eastern
Tue 8/1216:55
SGN
-
LHR
2 stops55h 35m
China Eastern
Deal found 21/3£462

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 23 March 2026.

Round-trip from

£391

One-way from

£271

Popular in

July

Cheapest in

November

Average price

£717

Good round-trip deal

£651 or less

Good one-way deal

£433 or less
China Eastern
  • China Eastern
  • 11/5-18/5
  • 2 total stops
  • 68h 20m total
  • London to Vietnam
Search Deals
Shenzhen Airlines
  • Shenzhen Airlines
  • 29/4
  • 1 total stop
  • 34h 00m 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. 2% 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 23 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

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 stops27h 40m

£466

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 11/4

22:05-01:10

1 stop21h 05m

Hanoi Noibai

Sun 3/5

18:40-19:50

1 stop31h 10m

£477

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 11/4

22:05-09:40

1 stop29h 35m

Hanoi Noibai

Fri 8/5

02:10-19:50

1 stop23h 40m

£477

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 13/4

22:05-09:40

1 stop29h 35m

Hanoi Noibai

Sun 3/5

15:05-19:50

1 stop34h 45m

£477

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Sun 17/5

22:05-01:50

1 stop21h 45m

Ho Chi Minh City

Tue 19/5

02:50-20:00

1 stop23h 10m

£485

LondonPhu Quoc

LHR - PQC

LHRPQC

London Heathrow

Fri 24/4

21:20-20:00

2 stops40h 40m

Phu Quoc Duong Dang

Fri 8/5

21:00-18:40

2 stops27h 40m

£514

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Fri 1/5

22:05-01:50

1 stop21h 45m

Ho Chi Minh City

Thu 28/5

02:50-20:00

1 stop23h 10m

£527

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sun 19/4

21:20-17:45

1 stop38h 25m

Hanoi Noibai

Sun 3/5

15:45-18:40

2 stops32h 55m

£549

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Sun 17/5

21:20-01:35

1 stop22h 15m

Ho Chi Minh City

Wed 20/5

19:10-18:40

2 stops29h 30m

£561

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Wed 27/5

21:20-01:35

1 stop22h 15m

Ho Chi Minh City

Sat 6/6

19:10-18:40

3 stops53h 30m

£561

Flights are sorted by cheapest return flights first.

Deals found on 21/3

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 £373). Flying from London Heathrow Airport to Vietnam in August is currently the most expensive (average of £589). 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 23 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 23 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
245 reviews
Check prices

Entertainment

6.3

Crew

8.2

Food

6.9

Boarding

7.7

Comfort

7.7

Overall

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
245 reviews
Vietnam Airlines
7.7
Good
245 reviews
Check prices

Entertainment

6.3

Crew

8.2

Food

6.9

Boarding

7.7

Comfort

7.7

Overall

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
1,222 reviews
Vietnam Airlines
7.7
Good
245 reviews
Check prices

Entertainment

6.3

Crew

8.2

Food

6.9

Boarding

7.7

Comfort

7.7

Overall

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
3,733 reviews
Vietnam Airlines
7.7
Good
245 reviews
Check prices

Entertainment

6.3

Crew

8.2

Food

6.9

Boarding

7.7

Comfort

7.7

Overall

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
145 reviews
Vietnam Airlines
7.7
Good
245 reviews
Check prices

Entertainment

6.3

Crew

8.2

Food

6.9

Boarding

7.7

Comfort

7.7

Overall

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
7,813 reviews
Vietnam Airlines
7.7
Good
245 reviews
Check prices

Entertainment

6.3

Crew

8.2

Food

6.9

Boarding

7.7

Comfort

7.7

Overall

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 £477, China Eastern can have you in Vietnam from London Heathrow Airport in 21h 05m. 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 (£244), Air China (£258), and China Eastern (£272).

  • 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 £1,115 for a flight from London Heathrow Airport to Vietnam. The cheapest flight overall is £418 while the most popular route, (London Heathrow - Hanoi Noibai) is currently priced at £391.

  • 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 £373). Flying from London Heathrow Airport to Vietnam in August is currently the most expensive (average of £589). 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 23 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£360Average£429FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air IndiaCheapest£373Average£603FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Shenzhen AirlinesCheapest£379Average£490FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China EasternCheapest£382Average£480FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£392Average£567FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Malaysia AirlinesCheapest£508Average£683FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Air FranceCheapest£520Average£824FlexibilityNo cancel feeOn-time77%
Search Air France flights
Etihad AirwaysCheapest£525Average£627FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Cathay PacificCheapest£560Average£787FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Vietnam AirlinesCheapest£566Average£793FlexibilityNo 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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