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Cheap flights from London to Vietnam from £300

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 17/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SGN
20 Jul — 27 Jul1
1 adult

Cheap flight deals from London to Vietnam

Keep the following information in mind while searching for London to Vietnam flight deals. Data was last updated 15 July 2025.

Round-trip from

£536

One-way from

£300

Popular in

July

Cheapest in

November

Average price

£859

Good round-trip deal

£691 or less

Good one-way deal

£483 or less
China Southern
  • China Southern
  • 25/11-24/2
  • 2 total stops
  • 51h 45m total
  • London to Vietnam
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17/8
  • 17/8
  • 3 total stops
  • 54h 40m total
  • London to Vietnam
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£61 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 July 2025
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.
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Find flight deals from London to Vietnam

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 15 July 2025.

Tue 25/1122:00LHR - HAN
1 stop18h 15mChina Southern
Tue 24/215:45HAN - LHR
1 stop33h 30mChina Southern
Deal found 14/7£536
Thu 28/812:35LGW - HAN
1 stop17h 20mAir China
Thu 4/913:25HAN - LGW
1 stop23h 10mAir China
Deal found 14/7£536
Thu 2/1012:00LGW - HAN
1 stop22h 55mChina Southern
Sat 18/1020:00HAN - LGW
2 stops40h 50mChina Southern
Deal found 14/7£536
Fri 14/1110:30LGW - HAN
2 stops21h 15mChina Eastern
Mon 24/1113:50HAN - LGW
1 stop23h 40mChina Eastern
Deal found 14/7£537
Tue 23/921:20LHR - HAN
2 stops37h 10mChina Eastern
Thu 9/1017:30HAN - LHR
2 stops55h 10mChina Eastern
Deal found 14/7£538
Sun 7/922:05LHR - HAN
1 stop34h 00mShenzhen Airlines
Thu 18/915:05HAN - LHR
1 stop34h 55mShenzhen Airlines
Deal found 13/7£539
Wed 31/1222:00LHR - SGN
1 stop17h 10mChina Southern
Sat 31/111:55SGN - LHR
2 stops37h 00mChina Southern
Deal found 13/7£541
Mon 15/922:40LHR - HAN
2 stops30h 15mAir China
Fri 3/1012:20HAN - LHR
2 stops37h 55mAir China
Deal found 13/7£541
Wed 27/812:35LGW - SGN
1 stop30h 05mAir China
Wed 3/905:10SGN - LGW
1 stop31h 25mAir China
Deal found 13/7£541
Mon 10/1110:30LGW - HAN
2 stops21h 15mMultiple Airlines
Mon 1/1218:15HAN - LGW
1 stop19h 40mMultiple Airlines
Deal found 14/7£544
Mon 24/1108:25LHR - SGN
2 stops24h 15mMultiple Airlines
Sat 6/1216:40SGN - LHR
2 stops20h 15mMultiple Airlines
Deal found 13/7£546
Wed 27/822:05LHR - SGN
1 stop21h 15mShenzhen Airlines
Thu 11/902:20SGN - LHR
1 stop23h 40mShenzhen Airlines
Deal found 13/7£547

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 15 July 2025.
Use the filters below to find and compare flights from London to Vietnam that are best for you.

Fly from

London

Fly to

Vietnam

Route

Depart

Return

Price

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Tue 25/11

22:00-23:15

1 stop18h 15m

Hanoi Noibai

Tue 24/2

15:45-18:15

1 stop33h 30m

£536

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Thu 28/8

12:35-11:55

1 stop17h 20m

Hanoi Noibai

Thu 4/9

13:25-06:35

1 stop23h 10m

£536

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Thu 2/10

12:00-16:55

1 stop22h 55m

Hanoi Noibai

Sat 18/10

20:00-06:50

2 stops40h 50m

£536

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Fri 14/11

10:30-14:45

2 stops21h 15m

Hanoi Noibai

Mon 24/11

13:50-06:30

1 stop23h 40m

£537

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Tue 23/9

21:20-16:30

2 stops37h 10m

Hanoi Noibai

Thu 9/10

17:30-18:40

2 stops55h 10m

£538

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sun 7/9

22:05-14:05

1 stop34h 00m

Hanoi Noibai

Thu 18/9

15:05-20:00

1 stop34h 55m

£539

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 15/9

22:40-10:55

2 stops30h 15m

Hanoi Noibai

Fri 3/10

12:20-20:15

2 stops37h 55m

£541

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Wed 31/12

22:00-22:10

1 stop17h 10m

Ho Chi Minh City

Sat 31/1

11:55-17:55

2 stops37h 00m

£541

LondonHo Chi Minh City

LGW - SGN

LGWSGN

London Gatwick

Wed 27/8

12:35-00:40

1 stop30h 05m

Ho Chi Minh City

Wed 3/9

05:10-06:35

1 stop31h 25m

£541

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Mon 10/11

10:30-14:45

2 stops21h 15m

Hanoi Noibai

Mon 1/12

18:15-06:55

1 stop19h 40m

£544

Flights are sorted by cheapest return flights first.

Deals found on 14/7

Showing 1-10 of 60 results
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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, May is the cheapest month in which you can book a flight from London to Vietnam (average of £820). Flying from London to Vietnam in July is currently the most expensive (average of £1,143). 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 LON to VN?

Find hourly flight availability from London 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 15 July 2025.

It’s typically best to fly out from London to Vietnam in the afternoon. Doing so could potentially save you 9% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from London to Vietnam?

Use this chart to determine the cheapest time to fly return from London to Vietnam. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London to Vietnam flight should consider departing on Monday evenings when fares are most often at their lowest. Friday mornings 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 15 July 2025.
Read reviews from past customers who have flown with Emirates, Singapore Airlines, andKLM 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.
Emirates
8.1
Very Good
3,286 reviews
Check prices

Food

7.8

Entertainment

8.2

Crew

8.3

Comfort

8.0

Overall

8.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
Emirates
8.1
Very Good
3,286 reviews
Emirates
8.1
Very Good
3,286 reviews
Check prices

Food

7.8

Entertainment

8.2

Crew

8.3

Comfort

8.0

Overall

8.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
Singapore Airlines
8.1
Very Good
1,326 reviews
Emirates
8.1
Very Good
3,286 reviews
Check prices

Food

7.8

Entertainment

8.2

Crew

8.3

Comfort

8.0

Overall

8.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
KLM
7.8
Good
1,372 reviews
Emirates
8.1
Very Good
3,286 reviews
Check prices

Food

7.8

Entertainment

8.2

Crew

8.3

Comfort

8.0

Overall

8.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
Cathay Pacific
7.6
Good
933 reviews
Emirates
8.1
Very Good
3,286 reviews
Check prices

Food

7.8

Entertainment

8.2

Crew

8.3

Comfort

8.0

Overall

8.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

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.

  • 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 China Eastern (£306), Air China (£310), and Shenzhen Airlines (£317).

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

    While some choose either London Gatwick - Ho Chi Minh City or London Stansted - Ho Chi Minh City, London Heathrow - Ho Chi Minh City 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 £425. While the most popular route (London Heathrow - Ho Chi Minh City) can be booked for £440 on average our data indicates £1,670 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, May is the cheapest month in which you can book a flight from London to Vietnam (average of £820). Flying from London to Vietnam in July is currently the most expensive (average of £1,143). 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 15 July 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£316Average£564FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£347Average£532FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£351Average£468FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£390Average£456FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Air IndiaCheapest£404Average£626FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Singapore AirlinesCheapest£480Average£704FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Etihad AirwaysCheapest£520Average£590FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
EmiratesCheapest£539Average£778FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Malaysia AirlinesCheapest£540Average£653FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Virgin AtlanticCheapest£541Average£674FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic 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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