Cheap flights from London to Vietnam from £245

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Vietnam departing on 16/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

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China Eastern Logo
10:30 - 01:45
LGW
-
HAN
32h 15m
1 stop
China Eastern Logo
02:20 - 15:00
HAN
-
LGW
18h 40m
1 stop
£370China Eastern
Thu, 19 Mar - Fri, 3 Apr
China Eastern Logo
10:30 - 15:15
LGW
-
HAN
21h 45m
2 stops
China Eastern Logo
02:45 - 14:00
HAN
-
LGW
18h 15m
1 stop
£371China Eastern
Sat, 14 Mar - Thu, 19 Mar
China Eastern Logo
10:30 - 17:45
LGW
-
HAN
24h 15m
1 stop
China Eastern Logo
18:45 - 06:30
HAN
-
LGW
18h 45m
1 stop
£372China Eastern
Tue, 17 Feb - Thu, 12 Mar
China Southern Logo
22:00 - 23:15
LHR
-
HAN
18h 15m
1 stop
China Southern Logo
08:15 - 18:35
HAN
-
LHR
17h 20m
1 stop
£377China Southern
Wed, 18 Feb - Mon, 9 Mar
China Southern Logo
22:00 - 23:15
LHR
-
HAN
18h 15m
1 stop
China Southern Logo
08:15 - 18:35
HAN
-
LHR
17h 20m
1 stop
£378China Southern
Wed, 18 Feb - Fri, 6 Mar
Air China Logo
22:40 - 00:40
LHR
-
SGN
20h 00m
1 stop
Air China Logo
05:10 - 17:40
SGN
-
LHR
18h 30m
1 stop
£430Air China
Sat, 18 Apr - Mon, 11 May
Air China Logo
12:35 - 00:40
LGW
-
SGN
30h 05m
1 stop
Air China Logo
05:10 - 06:35
SGN
-
LGW
31h 25m
1 stop
£432Air China
Mon, 27 Apr - Mon, 4 May
Cathay Pacific Logo
17:50 - 18:35
LHR
-
SGN
17h 45m
1 stop
Cathay Pacific Logo
07:15 - 20:10
SGN
-
LHR
19h 55m
1 stop
£433Cathay Pacific
Thu, 19 Feb - Thu, 5 Mar
Air India Logo
20:35 - 19:55
LHR
-
SGN
17h 20m
1 stop
Air India Logo
20:55 - 11:30
SGN
-
LHR
20h 35m
1 stop
£435Air India
Tue, 14 Apr - Tue, 28 Apr
Air India Logo
13:15 - 19:55
LHR
-
SGN
24h 40m
1 stop
Air India Logo
20:55 - 11:30
SGN
-
LHR
20h 35m
1 stop
£435Air India
Mon, 20 Apr - Sun, 10 May

Air India flights from London to Vietnam

Our best Air India deals on London to Vietnam flight tickets
Air India
14 Apr
LHR20:35London Heathrow
17h 20m
1 stop
SGN19:55Ho Chi Minh City
28 Apr
SGN20:55Ho Chi Minh City
20h 35m
1 stop
LHR11:30London Heathrow
£435
Air India
20 Apr
LHR13:15London Heathrow
24h 40m
1 stop
SGN19:55Ho Chi Minh City
10 May
SGN20:55Ho Chi Minh City
20h 35m
1 stop
LHR11:30London Heathrow
£435
Air India
20 Apr
LHR09:45London Heathrow
28h 10m
1 stop
SGN19:55Ho Chi Minh City
10 May
SGN20:55Ho Chi Minh City
20h 35m
1 stop
LHR11:30London Heathrow
£437

Cathay Pacific flights from London to Vietnam

Our best Cathay Pacific deals on London to Vietnam flight tickets
Cathay Pacific
19 Feb
LHR17:50London Heathrow
17h 45m
1 stop
SGN18:35Ho Chi Minh City
5 Mar
SGN07:15Ho Chi Minh City
19h 55m
1 stop
LHR20:10London Heathrow
£433
Cathay Pacific
31 Jan
LHR11:00London Heathrow
24h 35m
1 stop
SGN18:35Ho Chi Minh City
7 Feb
SGN19:35Ho Chi Minh City
26h 25m
1 stop
LHR15:00London Heathrow
£556
Cathay Pacific
30 Jan
LHR11:00London Heathrow
16h 35m
1 stop
SGN10:35Ho Chi Minh City
25 Feb
SGN19:35Ho Chi Minh City
26h 25m
1 stop
LHR15:00London Heathrow
£557

momondo 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, momondo users made 279,928 searches. Data last updated 28 January 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

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Thu 19/3

10:30-01:45

1 stop32h 15m

Hanoi Noibai

Fri 3/4

02:20-15:00

1 stop18h 40m

£370

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Sat 14/3

10:30-15:15

2 stops21h 45m

Hanoi Noibai

Thu 19/3

02:45-14:00

1 stop18h 15m

£371

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Tue 17/2

10:30-17:45

1 stop24h 15m

Hanoi Noibai

Thu 12/3

18:45-06:30

1 stop18h 45m

£372

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Wed 18/2

22:00-23:15

1 stop18h 15m

Hanoi Noibai

Mon 9/3

08:15-18:35

1 stop17h 20m

£377

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Wed 18/2

22:00-23:15

1 stop18h 15m

Hanoi Noibai

Fri 6/3

08:15-18:35

1 stop17h 20m

£378

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Sat 18/4

22:40-00:40

1 stop20h 00m

Ho Chi Minh City

Mon 11/5

05:10-17:40

1 stop18h 30m

£430

LondonHo Chi Minh City

LGW - SGN

LGWSGN

London Gatwick

Mon 27/4

12:35-00:40

1 stop30h 05m

Ho Chi Minh City

Mon 4/5

05:10-06:35

1 stop31h 25m

£432

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Thu 19/2

17:50-18:35

1 stop17h 45m

Ho Chi Minh City

Thu 5/3

07:15-20:10

1 stop19h 55m

£433

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Tue 14/4

20:35-19:55

1 stop17h 20m

Ho Chi Minh City

Tue 28/4

20:55-11:30

1 stop20h 35m

£435

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Mon 20/4

13:15-19:55

1 stop24h 40m

Ho Chi Minh City

Sun 10/5

20:55-11:30

1 stop20h 35m

£435

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Vietnam from

How to get the cheapest flight ticket from London to Vietnam

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Vietnam?

In general, November is the cheapest month to fly from London to Vietnam. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £513. If you’re not able to fly to Vietnam in November, then May is your next best option. Flight prices from London to Vietnam during May average around £533.

What is the cheapest day to depart on your flight to Vietnam?

The cheapest day to depart from London to Vietnam is on a Wednesday when prices can be found for as low as £664. Flights from London to Vietnam on a Monday will generally be more expensive and average around £766. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Vietnam?

Flying to Vietnam from London in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £630 when looking at flights departing in the afternoon. Flights in the morning are often more expensive, with an average ticket price of £750.

What is the cheapest London to Vietnam flight route?

Fly from London Heathrow to Ho Chi Minh City for the best London - Vietnam flight prices

How far in advance should I book a flight to Vietnam?

You are more likely to see cheaper flights to Vietnam from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Vietnam for around £657 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Vietnam from London for as low as £576 on momondo.

What cabin class options are available on London to Vietnam flights?

There are 3 cabin classes available to choose from on London to Vietnam flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap London to Vietnam flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Vietnam

Best price found

£436

Fastest flight time

11h 20m

Direct flights

Mon, Tue, Thu and Sat

Airports in Vietnam

28 airports
The best one-way flight to Vietnam from London in the past 72 hours is £436. The best return flight deal from London to Vietnam found on momondo in the last 72 hours is £613.
The fastest flight from London to Vietnam takes 11h 20m
Direct flights go from London to Vietnam on Monday, Tuesday, Thursday and Saturday. Airline offering direct flights is Vietnam Airlines..
There are 28 airports in Vietnam. From London there are direct flights to Hanoi Noibai (HAN).
  • When did momondo last update prices for flights from London to Vietnam?

    Prices for flights from London to Vietnam are updated daily.

  • How many operators does momondo search for flights from London to Vietnam?

  • How old do you have to be to fly from London to Vietnam?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Vietnam.

  • What documentation or ID do you need to fly to Vietnam?

    The travel and health documents you'll need for your trip to Vietnam may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Vietnam. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London to Vietnam?

Best airlines flying from London to Vietnam

Compare and see reviews for airlines that fly from London to Vietnam with momondo
Airline
Rating
Free Cancellation
Price
China EasternPriceFrom £331Free CancellationRating
7.2
191 reviews
Search China Eastern flights
Air ChinaPriceFrom £334Free CancellationRating
7.2
138 reviews
Search Air China flights
Air IndiaPriceFrom £362Free CancellationRating
5.5
2,976 reviews
Search Air India flights
Shenzhen AirlinesPriceFrom £370Free CancellationRating
7.6
23 reviews
Search Shenzhen Airlines flights
China SouthernPriceFrom £377Free CancellationRating
7.3
136 reviews
Search China Southern flights
Turkmenistan AirlinesPriceFrom £467Free CancellationRating
0.0
0 reviews
Search Turkmenistan Airlines flights
Malaysia AirlinesPriceFrom £496Free CancellationRating
7.3
290 reviews
Search Malaysia Airlines flights
Etihad AirwaysPriceFrom £500Free CancellationRating
7.3
1,377 reviews
Search Etihad Airways flights
Air FrancePriceFrom £505Free CancellationRating
7.4
1,526 reviews
Search Air France flights
EmiratesPriceFrom £529Free CancellationRating
8.1
3,488 reviews
Search Emirates flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Vietnam?

It is quick and easy to find London to Vietnam flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Vietnam that suits you.

Can I find flights from London to Vietnam with flexible booking policies on momondo?

momondo does allow users to show only those flights to Vietnam from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Vietnam?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Vietnam.

I’m not ready to book a flight from London to Vietnam right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Vietnam flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Fri 27/2
Fri 6/3

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Popular Cities in Vietnam

Popular flights according to clicks in the last 7 days on momondo