Cheap flights from London to Vietnam from £266

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SGN
29 May — 5 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Vietnam

Enter your travel dates to find the best prices.

Cheapest flights from London to Vietnam
Explore the most affordable flight options available from London to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2026.

Mon 7/920:20
LGW
-
HAN
1 stop33h 35m
Air China
Mon 12/1013:25
HAN
-
LGW
1 stop23h 10m
Air China
Deal found 26/4£374
Wed 23/911:15
LGW
-
HAN
1 stop17h 45m
Air China
Sun 18/1013:25
HAN
-
LGW
1 stop23h 20m
Air China
Deal found 27/4£384
Sun 20/911:15
LGW
-
HAN
1 stop17h 45m
Air China
Sun 11/1013:25
HAN
-
LGW
1 stop23h 20m
Air China
Deal found 27/4£391
Wed 23/912:35
LGW
-
HAN
1 stop17h 20m
Air China
Wed 14/1013:25
HAN
-
LGW
1 stop23h 10m
Air China
Deal found 25/4£400
Mon 7/920:20
LGW
-
HAN
1 stop33h 35m
Air China
Sun 11/1013:25
HAN
-
LGW
1 stop23h 20m
Air China
Deal found 25/4£401
Mon 21/920:20
LGW
-
HAN
1 stop33h 35m
Air China
Sat 10/1018:15
HAN
-
LGW
1 stop18h 45m
Air China
Deal found 28/4£403
Tue 8/912:35
LGW
-
HAN
1 stop17h 20m
Air China
Mon 12/1013:25
HAN
-
LGW
1 stop23h 10m
Air China
Deal found 24/4£407
Sun 20/922:40
LHR
-
HAN
1 stop31h 15m
Air China
Sun 11/1013:25
HAN
-
LHR
1 stop34h 15m
Air China
Deal found 28/4£415
Mon 7/922:40
LHR
-
HAN
1 stop31h 15m
Air China
Mon 12/1013:25
HAN
-
LHR
1 stop37h 00m
Air China
Deal found 24/4£426
Tue 8/922:40
LHR
-
HAN
1 stop31h 15m
Air China
Mon 12/1013:25
HAN
-
LHR
1 stop37h 00m
Air China
Deal found 25/4£436
Mon 7/920:25
LHR
-
HAN
1 stop33h 30m
Air China
Thu 15/1013:25
HAN
-
LHR
1 stop37h 00m
Air China
Deal found 25/4£437
Sun 20/922:40
LHR
-
HAN
1 stop31h 15m
Air China
Tue 13/1013:25
HAN
-
LHR
1 stop37h 00m
Air China
Deal found 28/4£437

Find flight deals from London to Vietnam

Keep the following information in mind while searching for London to Vietnam flight deals. Data was last updated 29 April 2026.

Round-trip from

£374

One-way from

£266

Popular in

July

Cheapest in

November

Average price

£599

Good round-trip deal

£720 or less

Good one-way deal

£448 or less
Air China
  • Air China
  • 7/9-12/10
  • 2 total stops
  • 56h 45m total
  • London to Vietnam
Air China
  • Air China
  • 21/9
  • 1 total stop
  • 17h 45m total
  • London to Vietnam
Highest demand for flights based on searches. 11% potential increase in price (£62 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from London (LON) to Vietnam.
Price to beat on a one-way flight from London (LON) to Vietnam.

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 29 April 2026.
Use the filters below to find and compare flights from London to Vietnam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 21/9

22:05-14:05

1 stop34h 00m

Hanoi Noibai

Sun 4/10

02:10-19:50

1 stop23h 40m

£476

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Mon 21/9

18:00-01:35

2 stops25h 35m

Hanoi Noibai

Sat 10/10

15:45-06:40

2 stops44h 55m

£582

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Sun 25/10

17:00-14:45

2 stops38h 45m

Hanoi Noibai

Thu 12/11

02:45-14:00

1 stop18h 15m

£605

LondonHo Chi Minh City

LGW - SGN

LGWSGN

London Gatwick

Mon 7/9

18:00-01:35

1 stop25h 35m

Ho Chi Minh City

Mon 12/10

02:35-15:00

1 stop18h 25m

£631

LondonHo Chi Minh City

LGW - SGN

LGWSGN

London Gatwick

Tue 8/9

11:35-01:35

1 stop32h 00m

Ho Chi Minh City

Mon 12/10

02:35-15:00

1 stop18h 25m

£633

LondonHo Chi Minh City

LGW - SGN

LGWSGN

London Gatwick

Fri 4/9

11:35-01:35

1 stop32h 00m

Ho Chi Minh City

Mon 12/10

02:35-15:00

1 stop18h 25m

£633

LondonHo Chi Minh City

LGW - SGN

LGWSGN

London Gatwick

Sun 6/9

17:55-18:10

2 stops42h 15m

Ho Chi Minh City

Mon 12/10

06:20-15:00

2 stops38h 40m

£642

LondonHanoi

LTN - HAN

LTNHAN

London Luton

Mon 11/5

08:30-01:20

3 stops34h 50m

Hanoi Noibai

Tue 19/5

09:35-01:15

3 stops45h 40m

£650

LondonDa Nang

LHR - DAD

LHRDAD

London Heathrow

Thu 21/5

21:45-19:45

2 stops40h 00m

Da Nang

Thu 28/5

12:50-12:45

2 stops53h 55m

£708

LondonDa Nang

LHR - DAD

LHRDAD

London Heathrow

Thu 11/6

20:45-19:45

2 stops41h 00m

Da Nang

Thu 2/7

15:15-15:05

2 stops29h 50m

£714

Flights are sorted by cheapest return flights first.

Deals found on 25/4

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from London to Vietnam

Have a flexible travel schedule? Discover the best time to fly to Vietnam from London 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 to Vietnam

How far ahead should I book a flight from London to Vietnam?

Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Vietnam. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London to Vietnam?

Currently, November is the cheapest month in which you can book a flight from London to Vietnam (average of £510). Flying from London to Vietnam in July is currently the most expensive (average of £804). 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.

How often are flights from London to Vietnam delayed?

About 17% of weekly flights between London and Vietnam have experienced delays in the past year, with the average delay time being 160 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 17% 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 29 April 2026.
Read reviews from past customers who have flown with Vietnam Airlines,Qatar Airways, andChina Southern from London to Vietnam. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

6.3

Food

6.9

Comfort

7.7

Boarding

7.7

Overall

7.7

Crew

8.2

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.

Entertainment

6.3

Food

6.9

Comfort

7.7

Boarding

7.7

Overall

7.7

Crew

8.2

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.

Entertainment

6.3

Food

6.9

Comfort

7.7

Boarding

7.7

Overall

7.7

Crew

8.2

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.

Entertainment

6.3

Food

6.9

Comfort

7.7

Boarding

7.7

Overall

7.7

Crew

8.2

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.

Entertainment

6.3

Food

6.9

Comfort

7.7

Boarding

7.7

Overall

7.7

Crew

8.2

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.

Entertainment

6.3

Food

6.9

Comfort

7.7

Boarding

7.7

Overall

7.7

Crew

8.2

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.

Related info for your journey

Find useful and relevant information for your journey from London 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 to Vietnam?

    For as low as £582, Shenzhen Airlines can have you in Vietnam from London in 25h 35m. Airlines will cover a distance of 5735 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from London to Vietnam one-way?

    The cheapet airlines for a one-way flight from London to Vietnam are Shenzhen Airlines (£241), Air China (£249), and Etihad Airways (£251).

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

  • What are the most reliable airlines from London to Vietnam?

    No one likes to see their flight delayed. When booking a flight from London to Vietnam consider choosing Scandinavian Airlines (100%), Vietnam Airlines (96%) or Cambodia Angkor Air (95%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London to Vietnam?

    Looking at all options, your cheapest flight can be booked for £401. While the most popular route (London Heathrow - Hanoi Noibai) can be booked for £461 on average, our data indicates £962 when flying from London to Vietnam.

  • Can I find deals for flights from London to Vietnam that include hotel bookings?

    Yes. In addition to deals on London to Vietnam flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Vietnam?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Vietnam.

  • Can I find deals for business class flights from London to Vietnam?

    Yes. Cheapflights offers flight deals from London 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 to Vietnam?

    Currently, November is the cheapest month in which you can book a flight from London to Vietnam (average of £510). Flying from London to Vietnam in July is currently the most expensive (average of £804). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Vietnam

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from London to Vietnam

Discover the top 10 airlines that operate flights from London 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 29 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest£188Average£310FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Etihad AirwaysCheapest£339Average£609FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air ChinaCheapest£340Average£447FlexibilityNo cancel feeOn-time67%
Search Air China flights
China EasternCheapest£356Average£472FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air IndiaCheapest£368Average£596FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Shenzhen AirlinesCheapest£374Average£489FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China SouthernCheapest£387Average£567FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Turkmenistan AirlinesCheapest£467Average£533FlexibilityNo cancel feeOn-time63%
Search Turkmenistan Airlines flights
Malaysia AirlinesCheapest£500Average£681FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Air FranceCheapest£513Average£557FlexibilityNo cancel feeOn-time77%
Search Air France 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 London to Vietnam?

When you search for this flight from London to Vietnam, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from London to Vietnam?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Vietnam from London.

Can Cheapflights find flights from London to Vietnam with no change fees?

Certainly. Search results for flights to Vietnam from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from London to Vietnam become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Vietnam from London today and book when prices fit your budget.

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