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Cheap flights from London to Vietnam from £321

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 17/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SGN
10 Aug — 17 Aug1
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 11 July 2026.

Wed 19/806:15
LHR
-
HAN
2 stops18h 25m
Multiple Airlines
Wed 26/819:45
HAN
-
LHR
1 stop29h 35m
Multiple Airlines
Deal found 11/7£567
Wed 9/905:40
LTN
-
HAN
2 stops29h 10m
Multiple Airlines
Tue 15/918:15
HAN
-
LTN
2 stops29h 50m
Multiple Airlines
Deal found 11/7£567
Sun 6/920:15
LGW
-
HAN
2 stops47h 05m
Multiple Airlines
Sun 13/913:20
HAN
-
LGW
2 stops24h 05m
Multiple Airlines
Deal found 10/7£567
Sun 9/821:20
LHR
-
HAN
1 stop38h 25m
China Eastern
Sat 15/802:20
HAN
-
LHR
1 stop22h 20m
China Eastern
Deal found 10/7£568
Sat 19/911:00
LGW
-
HAN
1 stop25h 40m
China Southern
Sat 3/1015:45
HAN
-
LGW
1 stop20h 45m
China Southern
Deal found 11/7£568
Fri 2/1022:00
LGW
-
HAN
1 stop34h 00m
China Eastern
Sat 17/1015:45
HAN
-
LGW
2 stops29h 15m
China Eastern
Deal found 11/7£569
Sun 18/1012:35
LHR
-
HAN
1 stop20h 05m
Multiple Airlines
Thu 29/1019:10
HAN
-
LHR
1 stop18h 05m
Multiple Airlines
Deal found 10/7£569
Tue 1/905:40
LTN
-
HAN
2 stops29h 10m
Multiple Airlines
Wed 23/918:15
HAN
-
LTN
2 stops31h 40m
Multiple Airlines
Deal found 11/7£569
Fri 25/918:00
LGW
-
HAN
2 stops25h 35m
China Eastern
Thu 15/1002:35
HAN
-
LGW
2 stops42h 25m
China Eastern
Deal found 9/7£569
Mon 2/1122:15
LHR
-
HAN
2 stops33h 45m
Multiple Airlines
Fri 20/1108:15
HAN
-
LHR
1 stop17h 20m
Multiple Airlines
Deal found 10/7£570
Thu 3/921:40
LTN
-
HAN
2 stops34h 20m
Multiple Airlines
Fri 18/918:15
HAN
-
LTN
2 stops25h 35m
Multiple Airlines
Deal found 10/7£570
Wed 19/806:00
LGW
-
HAN
2 stops18h 40m
Multiple Airlines
Thu 3/919:45
HAN
-
LGW
1 stop29h 55m
Multiple Airlines
Deal found 11/7£570

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 11 July 2026.

Round-trip from

£567

One-way from

£321

Popular in

July

Cheapest in

September

Average price

£825

Good round-trip deal

£770 or less

Good one-way deal

£453 or less
9/9-15/9
  • 9/9-15/9
  • 4 total stops
  • 59h 00m total
  • London to Vietnam
Search Deals
17/11
  • 17/11
  • 3 total stops
  • 46h 30m total
  • London to Vietnam
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£60 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 July 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 11 July 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

Sun 1/11

21:00-15:15

2 stops59h 15m

Hanoi Noibai

Sun 15/11

16:15-17:30

2 stops32h 15m

£582

LondonHanoi

LTN - HAN

LTNHAN

London Luton

Fri 21/8

15:15-00:20

3 stops27h 05m

Hanoi Noibai

Fri 18/9

18:15-18:05

2 stops29h 50m

£589

LondonHanoi

LTN - HAN

LTNHAN

London Luton

Sun 1/11

12:15-18:10

2 stops22h 55m

Hanoi Noibai

Sun 29/11

18:45-19:45

2 stops32h 00m

£606

LondonHanoi

LTN - HAN

LTNHAN

London Luton

Mon 16/11

12:15-18:10

2 stops22h 55m

Hanoi Noibai

Sat 12/12

18:45-14:25

2 stops26h 40m

£606

LondonHo Chi Minh City

LGW - SGN

LGWSGN

London Gatwick

Sat 14/11

17:00-01:10

1 stop25h 10m

Ho Chi Minh City

Wed 18/11

16:55-14:00

2 stops52h 05m

£612

LondonHo Chi Minh City

LGW - SGN

LGWSGN

London Gatwick

Sun 6/9

22:00-01:35

1 stop21h 35m

Ho Chi Minh City

Tue 22/9

02:35-19:10

1 stop22h 35m

£621

LondonHo Chi Minh City

LGW - SGN

LGWSGN

London Gatwick

Fri 11/9

22:00-01:35

1 stop21h 35m

Ho Chi Minh City

Mon 21/9

02:35-15:00

1 stop18h 25m

£621

LondonHo Chi Minh City

LGW - SGN

LGWSGN

London Gatwick

Mon 7/9

22:00-01:35

1 stop21h 35m

Ho Chi Minh City

Mon 21/9

06:20-15:00

2 stops38h 40m

£627

LondonHanoi

LTN - HAN

LTNHAN

London Luton

Tue 17/11

06:55-15:00

2 stops25h 05m

Hanoi Noibai

Mon 30/11

16:15-14:25

3 stops29h 10m

£633

LondonHo Chi Minh City

STN - SGN

STNSGN

London Stansted

Thu 29/10

17:20-16:30

1 stop16h 10m

Ho Chi Minh City

Tue 17/11

06:30-16:20

1 stop16h 50m

£652

Flights are sorted by cheapest return flights first.

Deals found on 11/7

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

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 £518). Flying from London to Vietnam in July is currently the most expensive (average of £803). 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 13% of weekly flights between London and Vietnam have experienced delays in the past year, with the average delay time being 148 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 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 13% of flights being delayed.

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

Booking 52 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 11 July 2026.
Read reviews from past customers who have flown with Vietnam Airlines,China Southern, 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
279 reviews
Check prices

Comfort

7.7

Boarding

7.8

Food

6.9

Entertainment

6.3

Overall

7.7

Crew

8.3

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
279 reviews
Vietnam Airlines
7.7
Good
279 reviews
Check prices

Comfort

7.7

Boarding

7.8

Food

6.9

Entertainment

6.3

Overall

7.7

Crew

8.3

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
China Southern
7.5
Good
158 reviews
Vietnam Airlines
7.7
Good
279 reviews
Check prices

Comfort

7.7

Boarding

7.8

Food

6.9

Entertainment

6.3

Overall

7.7

Crew

8.3

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
157 reviews
Vietnam Airlines
7.7
Good
279 reviews
Check prices

Comfort

7.7

Boarding

7.8

Food

6.9

Entertainment

6.3

Overall

7.7

Crew

8.3

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
Qatar Airways
7.3
Good
3,743 reviews
Vietnam Airlines
7.7
Good
279 reviews
Check prices

Comfort

7.7

Boarding

7.8

Food

6.9

Entertainment

6.3

Overall

7.7

Crew

8.3

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
228 reviews
Vietnam Airlines
7.7
Good
279 reviews
Check prices

Comfort

7.7

Boarding

7.8

Food

6.9

Entertainment

6.3

Overall

7.7

Crew

8.3

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 £652, 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 (£243), Air China (£252), and Etihad Airways (£253).

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

    While some choose either London Heathrow - Ho Chi Minh City or London Gatwick - Hanoi Noibai, 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 £390. While the most popular route (London Heathrow - Hanoi Noibai) can be booked for £444 on average, our data indicates £1,638 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 £518). Flying from London to Vietnam in July is currently the most expensive (average of £803). 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 11 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest£190Average£312FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Etihad AirwaysCheapest£342Average£687FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
China EasternCheapest£359Average£479FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£363Average£465FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air IndiaCheapest£370Average£633FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Shenzhen AirlinesCheapest£379Average£494FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China SouthernCheapest£403Average£605FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Turkmenistan AirlinesCheapest£470Average£538FlexibilityNo cancel feeOn-time63%
Search Turkmenistan Airlines flights
Air FranceCheapest£506Average£548FlexibilityNo cancel feeOn-time77%
Search Air France flights
Malaysia AirlinesCheapest£517Average£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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