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Cheap flights from London to Vietnam from £285

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 21/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SGN
8 Sep — 15 Sep1
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 9 August 2026.

Thu 1/1020:50 -
3 stops35h 55m
Thu 15/1018:15 -
2 stops26h 20m
Deal found 7/8£423
Fri 20/1122:00 -
1 stop18h 15m
Sun 6/1219:45 -
1 stop29h 50m
Deal found 9/8£423
Sun 1/1117:00 -
1 stop17h 45m
Sun 15/1115:10 -
1 stop22h 20m
Deal found 7/8£423
Thu 5/1110:30 -
1 stop20h 40m
Sat 21/1115:45 -
2 stops21h 45m
Deal found 7/8£424
Tue 3/1122:00 -
1 stop18h 15m
Tue 17/1108:15 -
1 stop17h 20m
Deal found 8/8£425
Mon 9/1110:30 -
1 stop24h 15m
Thu 19/1115:10 -
1 stop22h 20m
Deal found 7/8£425
Sun 8/1122:00 -
1 stop18h 15m
Thu 19/1108:15 -
1 stop17h 20m
Deal found 8/8£425
Wed 11/1110:30 -
1 stop20h 40m
Mon 16/1115:10 -
1 stop22h 20m
Deal found 7/8£425
Fri 18/920:40 -
2 stops32h 20m
Wed 14/1018:15 -
2 stops23h 35m
Deal found 8/8£426
Mon 9/1117:00 -
1 stop17h 45m
Sat 21/1118:45 -
1 stop18h 45m
Deal found 7/8£426
Mon 21/905:40 -
2 stops29h 10m
Wed 14/1018:15 -
2 stops26h 10m
Deal found 8/8£427
Tue 3/1121:00 -
1 stop21h 45m
Mon 30/1102:45 -
1 stop21h 45m
Deal found 5/8£427

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 9 August 2026.

Round-trip from

£423

One-way from

£285

Popular in

July

Cheapest in

September

Average price

£778

Good round-trip deal

£715 or less

Good one-way deal

£446 or less
1/10-15/10
  • 1/10-15/10
  • 5 total stops
  • 62h 15m total
  • London to Vietnam
Search Deals
21/8
  • 21/8
  • 3 total stops
  • 57h 10m 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 (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from London (LON) to Vietnam.
Search Deals
Price to beat on a one-way flight from London (LON) to Vietnam.
Search Deals

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 9 August 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 London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Sun 1/11

21:00-14:45

2 stops34h 45m

Hanoi Noibai

Sun 15/11

18:45-17:30

1 stop29h 45m

£462

LondonHanoi

LGW London Gatwick - HAN Hanoi Noibai

LGWHAN

London Gatwick

Wed 9/9

18:00-14:45

3 stops62h 45m

Hanoi Noibai

Sat 12/9

02:20-19:15

1 stop22h 55m

£465

LondonHanoi

LTN London Luton - HAN Hanoi Noibai

LTNHAN

London Luton

Tue 8/9

20:35-11:00

2 stops32h 25m

Hanoi Noibai

Wed 23/9

18:15-19:55

2 stops31h 40m

£471

LondonHanoi

LTN London Luton - HAN Hanoi Noibai

LTNHAN

London Luton

Tue 29/9

05:40-14:00

2 stops26h 20m

Hanoi Noibai

Tue 6/10

10:40-14:50

2 stops34h 10m

£505

LondonHanoi

LGW London Gatwick - HAN Hanoi Noibai

LGWHAN

London Gatwick

Wed 13/1

10:30-01:45

1 stop32h 15m

Hanoi Noibai

Mon 25/1

15:10-06:30

1 stop22h 20m

£508

LondonHanoi

LGW London Gatwick - HAN Hanoi Noibai

LGWHAN

London Gatwick

Tue 12/1

10:30-14:10

1 stop20h 40m

Hanoi Noibai

Mon 25/1

02:45-06:30

1 stop34h 45m

£508

LondonHanoi

LGW London Gatwick - HAN Hanoi Noibai

LGWHAN

London Gatwick

Fri 15/1

17:00-17:45

1 stop17h 45m

Hanoi Noibai

Sun 24/1

02:45-06:30

1 stop34h 45m

£508

LondonHanoi

LGW London Gatwick - HAN Hanoi Noibai

LGWHAN

London Gatwick

Thu 14/1

10:30-01:45

1 stop32h 15m

Hanoi Noibai

Mon 25/1

18:45-06:30

1 stop18h 45m

£508

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Sat 7/11

21:10-09:40

1 stop29h 30m

Hanoi Noibai

Tue 17/11

18:40-19:10

1 stop31h 30m

£530

LondonHo Chi Minh City

LTN London Luton - SGN Ho Chi Minh City

LTNSGN

London Luton

Tue 8/9

05:40-18:10

3 stops30h 30m

Ho Chi Minh City

Mon 14/9

02:35-22:15

2 stops25h 40m

£539

Flights are sorted by cheapest return flights first.

Deals found on 8/8

Showing 1-10 of 60 resultsSorted by cheapest first
1
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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

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

Currently, September is the cheapest month in which you can book a flight from London to Vietnam (average of £542). Flying from London to Vietnam in July is currently the most expensive (average of £833). 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 12% of weekly flights between London and Vietnam have experienced delays in the past year, with the average delay time being 142 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 Wednesday 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 12% of flights being delayed.

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

Booking 51 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.

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 9 August 2026.
Read reviews from past customers who have flown with Vietnam Airlines,Qatar Airways, andAir China 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.
Vietnam Airlines
7.7
Good
284 reviews
Check prices

Comfort

7.7

Entertainment

6.3

Food

6.9

Boarding

7.7

Crew

8.3

Overall

7.7

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
Vietnam Airlines
7.7
Good
284 reviews
Vietnam Airlines
7.7
Good
284 reviews
Check prices

Comfort

7.7

Entertainment

6.3

Food

6.9

Boarding

7.7

Crew

8.3

Overall

7.7

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
Qatar Airways
7.4
Good
3,739 reviews
Vietnam Airlines
7.7
Good
284 reviews
Check prices

Comfort

7.7

Entertainment

6.3

Food

6.9

Boarding

7.7

Crew

8.3

Overall

7.7

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
Air China
7.4
Good
160 reviews
Vietnam Airlines
7.7
Good
284 reviews
Check prices

Comfort

7.7

Entertainment

6.3

Food

6.9

Boarding

7.7

Crew

8.3

Overall

7.7

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
China Southern
7.3
Good
171 reviews
Vietnam Airlines
7.7
Good
284 reviews
Check prices

Comfort

7.7

Entertainment

6.3

Food

6.9

Boarding

7.7

Crew

8.3

Overall

7.7

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
China Eastern
7.3
Good
232 reviews
Vietnam Airlines
7.7
Good
284 reviews
Check prices

Comfort

7.7

Entertainment

6.3

Food

6.9

Boarding

7.7

Crew

8.3

Overall

7.7

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 £655, China Eastern can have you in Vietnam from London in 16h 10m. Airlines will cover a distance of 6308 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 (£250), and Etihad Airways (£252).

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

    While some choose either London Gatwick - Hanoi Noibai or London Heathrow - Ho Chi Minh City, London Heathrow - Hanoi Noibai is the most popular route from London to Vietnam.

  • What are the cheapest flights from London to Vietnam?

    Looking at all options, your cheapest flight can be booked for £387. While the most popular route (London Heathrow - Hanoi Noibai) can be booked for £403 on average, our data indicates £1,830 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, September is the cheapest month in which you can book a flight from London to Vietnam (average of £542). Flying from London to Vietnam in July is currently the most expensive (average of £833). 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

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Alternative routes for London 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 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 9 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest£189Average£310FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Air IndiaCheapest£258Average£611FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Etihad AirwaysCheapest£340Average£688FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
China EasternCheapest£357Average£478FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£361Average£464FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£367Average£485FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China SouthernCheapest£404Average£601FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Turkmenistan AirlinesCheapest£468Average£535FlexibilityNo cancel feeOn-time63%
Search Turkmenistan Airlines flights
Air FranceCheapest£503Average£557FlexibilityNo cancel feeOn-time77%
Search Air France flights
Malaysia AirlinesCheapest£514Average£755FlexibilityNo cancel feeOn-time67%
Search Malaysia 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 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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