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Cheap flights from London Heathrow Airport to Vietnam from £258

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 Heathrow Airport to Vietnam departing on 1/12. 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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Find the cheapest flights from London Heathrow Airport to Vietnam

Cheap return flights

Enter your travel dates to find the best prices.
Air China Logo
20:25 - 12:00LHR-HAN
32h 35m1 stop
Air China Logo
12:25 - 20:15HAN-LHR
38h 50m2 stops
£398Air China
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Mon, 1 Dec - Mon, 8 Dec
Air China Logo
20:25 - 12:00LHR-HAN
32h 35m1 stop
Air China Logo
13:30 - 17:50HAN-LHR
35h 20m1 stop
£401Air China
Find Deal
Wed, 3 Dec - Wed, 10 Dec
Shenzhen Airlines Logo
21:10 - 13:55LHR-HAN
33h 45m1 stop
Shenzhen Airlines Logo
02:10 - 19:10HAN-LHR
24h 00m1 stop
£434Shenzhen Airlines
Find Deal
Fri, 28 Nov - Thu, 4 Dec
Shenzhen Airlines Logo
21:10 - 08:40LHR-HAN
28h 30m1 stop
Shenzhen Airlines Logo
02:10 - 19:10HAN-LHR
24h 00m1 stop
£436Shenzhen Airlines
Find Deal
Sat, 7 Mar - Sat, 21 Mar
China Southern Logo
17:15 - 01:40LHR-SGN
25h 25m1 stop
China Southern Logo
02:40 - 14:00SGN-LHR
18h 20m1 stop
£445China Southern
Find Deal
Sun, 30 Nov - Sat, 13 Dec
China Southern Logo
22:00 - 22:10LHR-SGN
17h 10m1 stop
China Southern Logo
02:40 - 18:35SGN-LHR
22h 55m2 stops
£449China Southern
Find Deal
Tue, 25 Nov - Mon, 8 Dec
Cathay Pacific Logo
17:50 - 09:50LHR-PQC
33h 00m1 stop
Cathay Pacific Logo
13:05 - 15:00PQC-LHR
32h 55m1 stop
£643Cathay Pacific
Find Deal
Mon, 26 Jan - Sat, 31 Jan
Cathay Pacific Logo
17:50 - 09:20LHR-DAD
32h 30m1 stop
Cathay Pacific Logo
12:25 - 17:20DAD-LHR
35h 55m1 stop
£645Cathay Pacific
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Tue, 13 Jan - Tue, 24 Mar
Vietnam Airlines Logo
11:00 - 11:35LHR-DAD
17h 35m1 stop
Vietnam Airlines Logo
20:20 - 07:15DAD-LHR
17h 55m1 stop
£724Vietnam Airlines
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Mon, 8 Dec - Sun, 28 Dec
Vietnam Airlines Logo
11:00 - 10:45LHR-HPH
40h 45m2 stops
Vietnam Airlines Logo
11:20 - 07:15HPH-LHR
26h 55m2 stops
£836Vietnam Airlines
Find Deal
Fri, 5 Dec - Fri, 12 Dec

China Southern flights from London Heathrow Airport to Vietnam

Our best China Southern deals on London Heathrow Airport to Vietnam flight tickets
China Southern
9 Nov
LHR17:15London Heathrow
23h 00m
2 stops
HAN23:15Hanoi Noibai
16 Nov
HAN19:45Hanoi Noibai
29h 50m
1 stop
LHR18:35London Heathrow
£427
Find similar
China Southern
9 Nov
LHR17:15London Heathrow
23h 00m
2 stops
HAN23:15Hanoi Noibai
18 Nov
HAN19:45Hanoi Noibai
29h 50m
1 stop
LHR18:35London Heathrow
£441
Find similar
China Southern
30 Nov
LHR17:15London Heathrow
25h 25m
1 stop
SGN01:40Ho Chi Minh City
13 Dec
SGN02:40Ho Chi Minh City
18h 20m
1 stop
LHR14:00London Heathrow
£445
Find similar

China Eastern flights from London Heathrow Airport to Vietnam

Our best China Eastern deals on London Heathrow Airport to Vietnam flight tickets
China Eastern
18 Nov
LHR21:00London Heathrow
36h 00m
2 stops
SGN16:00Ho Chi Minh City
15 Dec
SGN02:10Ho Chi Minh City
22h 20m
1 stop
LHR17:30London Heathrow
£481
Find similar
China Eastern
10 Nov
LHR21:00London Heathrow
21h 45m
1 stop
HAN01:45Hanoi Noibai
17 Nov
HAN15:10Hanoi Noibai
33h 20m
1 stop
LHR17:30London Heathrow
£485
Find similar
China Eastern
10 Nov
LHR21:00London Heathrow
21h 10m
1 stop
SGN01:10Ho Chi Minh City
29 Nov
SGN02:00Ho Chi Minh City
46h 30m
2 stops
LHR17:30London Heathrow
£486
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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 3 November 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Vietnam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 1/12

20:25-12:00

1 stop32h 35m

Hanoi Noibai

Mon 8/12

12:25-20:15

2 stops38h 50m

£398

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Wed 3/12

20:25-12:00

1 stop32h 35m

Hanoi Noibai

Wed 10/12

13:30-17:50

1 stop35h 20m

£401

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 28/11

21:10-13:55

1 stop33h 45m

Hanoi Noibai

Thu 4/12

02:10-19:10

1 stop24h 00m

£434

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 7/3

21:10-08:40

1 stop28h 30m

Hanoi Noibai

Sat 21/3

02:10-19:10

1 stop24h 00m

£436

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Sun 30/11

17:15-01:40

1 stop25h 25m

Ho Chi Minh City

Sat 13/12

02:40-14:00

1 stop18h 20m

£445

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Tue 25/11

22:00-22:10

1 stop17h 10m

Ho Chi Minh City

Mon 8/12

02:40-18:35

2 stops22h 55m

£449

LondonPhu Quoc

LHR - PQC

LHRPQC

London Heathrow

Mon 26/1

17:50-09:50

1 stop33h 00m

Phu Quoc Duong Dang

Sat 31/1

13:05-15:00

1 stop32h 55m

£643

LondonDa Nang

LHR - DAD

LHRDAD

London Heathrow

Tue 13/1

17:50-09:20

1 stop32h 30m

Da Nang

Tue 24/3

12:25-17:20

1 stop35h 55m

£645

LondonDa Nang

LHR - DAD

LHRDAD

London Heathrow

Mon 8/12

11:00-11:35

1 stop17h 35m

Da Nang

Sun 28/12

20:20-07:15

1 stop17h 55m

£724

LondonHaiphong

LHR - HPH

LHRHPH

London Heathrow

Fri 5/12

11:00-10:45

2 stops40h 45m

Haiphong Catbi

Fri 12/12

11:20-07:15

2 stops26h 55m

£836

Flights are sorted by cheapest return flights first.

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

How to get the cheapest flight ticket from London Heathrow Airport 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 Heathrow Airport to Vietnam. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £569. If you’re not able to fly to Vietnam in November, then September is your next best option. Flight prices from London Heathrow Airport to Vietnam during September average around £591.

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

The cheapest day to depart from London Heathrow Airport to Vietnam is on a Wednesday when prices can be found for as low as £719. Flights from London Heathrow Airport to Vietnam on a Saturday will generally be more expensive and average around £794. 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 Heathrow Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £670 when looking at flights departing in the afternoon. Flights in the morning are often more expensive, with an average ticket price of £788.

What is the cheapest London Heathrow to Vietnam flight route?

Fly from London Heathrow to Ho Chi Minh City for the best London Heathrow - 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 Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Vietnam for around £687 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 Heathrow Airport for as low as £590 on momondo.

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

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

Can stopping save me money on London Heathrow Airport to Vietnam flights?

You could potentially save up to 20% on your flight if you consider stops on a London Heathrow Airport to Vietnam flight.

Cheap London Heathrow Airport to Vietnam flight deals and tips

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

Best price found

£526

Fastest flight time

11h 20m

Direct flights

Mon, Tue, Thu and Sat

Airports in Vietnam

1 airport
The best one-way flight to Vietnam from London Heathrow Airport in the past 72 hours is £526. The best return flight deal from London Heathrow Airport to Vietnam found on momondo in the last 72 hours is £721.
The fastest flight from London Heathrow Airport to Vietnam takes 11h 20m
Direct flights go from London Heathrow Airport to Vietnam on Monday, Tuesday, Thursday and Saturday. Airline offering direct flights is Vietnam Airlines..
There is 1 airport near Vietnam: Hanoi Noibai (HAN)
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  • When did momondo last update prices for flights from London Heathrow Airport to Vietnam?

    Prices for flights from London Heathrow Airport to Vietnam were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Vietnam.

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

    The travel and health documents required for your trip to Vietnam can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Vietnam. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from London Heathrow Airport to Vietnam

Compare and see reviews for airlines that fly from London Heathrow Airport to Vietnam with momondo
Airline
Rating
Free Cancellation
Price
Air ChinaPriceFrom £376Free CancellationRating
7.1
122 reviews
Search Air China flights
Shenzhen AirlinesPriceFrom £386Free CancellationRating
7.5
20 reviews
Search Shenzhen Airlines flights
China SouthernPriceFrom £390Free CancellationRating
7.5
119 reviews
Search China Southern flights
Air IndiaPriceFrom £394Free CancellationRating
5.5
2,940 reviews
Search Air India flights
China EasternPriceFrom £424Free CancellationRating
7.2
174 reviews
Search China Eastern flights
Malaysia AirlinesPriceFrom £520Free CancellationRating
7.3
278 reviews
Search Malaysia Airlines flights
Etihad AirwaysPriceFrom £526Free CancellationRating
7.4
1,284 reviews
Search Etihad Airways flights
Air FrancePriceFrom £527Free CancellationRating
7.4
1,482 reviews
Search Air France flights
Singapore AirlinesPriceFrom £562Free CancellationRating
8.1
1,391 reviews
Search Singapore Airlines flights
Vietnam AirlinesPriceFrom £575Free CancellationRating
7.5
210 reviews
Search Vietnam Airlines flights

Why use momondo?

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

Finding the right flight to Vietnam from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Vietnam quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Vietnam from London with this policy.

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

momondo helps you find the best flight between London and Vietnam by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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.

An easier way to manage your Vietnam trip

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