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Cheap flights from London Heathrow Airport to Vietnam from £284

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 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SGN
20 Apr — 27 Apr1
1 adult

Cheap flight deals from Heathrow to Vietnam

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

Round-trip from

£430

One-way from

£295

Popular in

December

Cheapest in

November

Average price

£713

Good round-trip deal

£641 or less

Good one-way deal

£501 or less
China Southern
  • China Southern
  • 13/5-20/5
  • 2 total stops
  • 67h 50m total
  • London to Vietnam
Search Deals
6/5
  • 6/5
  • 2 total stops
  • 31h 40m total
  • London to Vietnam
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£9 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 April 2025
Search Deals
Price to beat on a round-trip flight from London Heathrow to Vietnam.
Search Deals
Price to beat on a one-way flight from London Heathrow to Vietnam.
Search Deals

Find flight deals from Heathrow to Vietnam

Cheapest flights from Heathrow to Vietnam
Explore the most affordable flight options available from Heathrow to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Tue 23/922:10LHR - SGN
1 stop21h 25mChina Southern
Tue 11/1115:55SGN - LHR
1 stop33h 20mChina Southern
Deal found 15/4£395
Tue 13/522:10LHR - HAN
1 stop30h 35mChina Southern
Tue 20/511:45HAN - LHR
1 stop37h 15mChina Southern
Deal found 15/4£430
Fri 30/522:05LHR - HAN
1 stop21h 05mShenzhen Airlines
Fri 6/615:05HAN - LHR
1 stop34h 45mShenzhen Airlines
Deal found 15/4£436
Fri 30/522:05LHR - SGN
1 stop21h 15mShenzhen Airlines
Thu 5/602:20SGN - LHR
1 stop23h 40mShenzhen Airlines
Deal found 15/4£441
Tue 22/420:25LHR - SGN
2 stops19h 50mAir China
Tue 6/502:20SGN - LHR
2 stops24h 10mAir China
Deal found 15/4£463
Mon 27/1017:40LHR - HAN
1 stop35h 15mAir China
Mon 10/1113:25HAN - LHR
1 stop35h 25mAir China
Deal found 15/4£477
Mon 12/522:10LHR - CXR
1 stop35h 00mChina Southern
Thu 22/516:00CXR - LHR
2 stops32h 05mChina Southern
Deal found 14/4£478
Sat 26/421:20LHR - HAN
1 stop22h 00mChina Eastern
Fri 9/502:20HAN - LHR
1 stop22h 20mChina Eastern
Deal found 15/4£496
Tue 22/420:25LHR - SGN
2 stops19h 50mMultiple Airlines
Sat 10/510:05SGN - LHR
2 stops39h 05mMultiple Airlines
Deal found 15/4£499
Fri 30/522:05LHR - HUI
2 stops40h 20mMultiple Airlines
Fri 6/607:25HUI - LHR
2 stops42h 25mMultiple Airlines
Deal found 14/4£518
Mon 28/421:20LHR - SGN
2 stops39h 10mChina Eastern
Sun 18/502:35SGN - LHR
1 stop22h 05mChina Eastern
Deal found 15/4£533
Tue 6/522:15LHR - HAN
2 stops31h 40mMultiple Airlines
Fri 16/523:25HAN - LHR
2 stops26h 35mMultiple Airlines
Deal found 15/4£534

Cheapflights Fare Finder

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

Fly from

Heathrow

Fly to

Vietnam

Route

Depart

Return

Price

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Tue 23/9

22:10-01:35

1 stop21h 25m

Ho Chi Minh City

Tue 11/11

15:55-18:15

1 stop33h 20m

£395

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Tue 13/5

22:10-10:45

1 stop30h 35m

Hanoi Noibai

Tue 20/5

11:45-19:00

1 stop37h 15m

£430

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 30/5

22:05-01:10

1 stop21h 05m

Hanoi Noibai

Thu 5/6

02:10-20:00

1 stop23h 50m

£436

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Fri 30/5

22:05-01:20

1 stop21h 15m

Ho Chi Minh City

Thu 5/6

02:20-20:00

1 stop23h 40m

£441

LondonNha Trang

LHR - CXR

LHRCXR

London Heathrow

Mon 12/5

22:10-15:10

1 stop35h 00m

Nha Trang Cam Ranh

Thu 22/5

16:00-18:05

2 stops32h 05m

£478

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Wed 7/5

20:25-11:55

1 stop33h 30m

Hanoi Noibai

Mon 19/5

13:25-20:30

1 stop37h 05m

£489

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 26/4

21:20-01:20

1 stop22h 00m

Hanoi Noibai

Fri 9/5

02:20-18:40

1 stop22h 20m

£496

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Sat 20/9

20:25-00:40

1 stop22h 15m

Ho Chi Minh City

Sat 4/10

05:10-20:30

1 stop21h 20m

£506

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Sat 26/4

22:15-08:20

2 stops28h 05m

Ho Chi Minh City

Tue 20/5

21:45-20:00

2 stops28h 15m

£509

LondonHue

LHR - HUI

LHRHUI

London Heathrow

Fri 30/5

22:05-20:25

2 stops40h 20m

Hue Phu Bai

Fri 6/6

07:25-19:50

2 stops42h 25m

£518

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 60 results
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Best time to book a flight from Heathrow to Vietnam

Have a flexible travel schedule? Discover the best time to fly to Vietnam from Heathrow 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 Heathrow Airport to Vietnam

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

Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Vietnam (average of £814). Flying from London Heathrow Airport 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 LHR to VN?

Find hourly flight availability from Heathrow 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 April 2025.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Vietnam in the afternoon. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the morning.

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

Use this chart to determine the cheapest time to fly return from Heathrow to Vietnam. Price data was last updated on 27 October 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Vietnam flight should consider departing on Sunday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Vietnam by month

Plan your trip to Vietnam by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Vietnam ranges from 0.0 - 340.0 inches per month. September is typically the wettest month, when rainfall can reach 340.0 mm. February is typically the driest time to visit Vietnam when rainfall is around 0.0 mm.

Temperature in Vietnam by month

Plan your trip to Vietnam by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Vietnam, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

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 April 2025.
To help decide which airline to fly from London to Vietnam, see what other customers have to say about Korean Air, Garuda Indonesia and Singapore Airlines. 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.
Korean Air
8.4
Very Good
1,063 reviews
Check prices

Food

8.1

Crew

8.7

Boarding

8.5

Overall

8.4

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very Good
1,063 reviews
Korean Air
8.4
Very Good
1,063 reviews
Check prices

Food

8.1

Crew

8.7

Boarding

8.5

Overall

8.4

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Garuda Indonesia
8.1
Very Good
71 reviews
Korean Air
8.4
Very Good
1,063 reviews
Check prices

Food

8.1

Crew

8.7

Boarding

8.5

Overall

8.4

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Singapore Airlines
8.1
Very Good
1,288 reviews
Korean Air
8.4
Very Good
1,063 reviews
Check prices

Food

8.1

Crew

8.7

Boarding

8.5

Overall

8.4

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Emirates
8.0
Very Good
3,198 reviews
Korean Air
8.4
Very Good
1,063 reviews
Check prices

Food

8.1

Crew

8.7

Boarding

8.5

Overall

8.4

Comfort

8.3

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 Heathrow Airport to Vietnam one-way?

    The cheapet airlines for a one-way flight from London Heathrow Airport to Vietnam are China Southern (£301), Shenzhen Airlines (£317), and Singapore Airlines (£327).

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

    The most popular flight routes from London Heathrow Airport to Vietnam are London Heathrow - Hanoi Noibai, London Heathrow - Ho Chi Minh City and London Heathrow - Da Nang.

  • What are the cheapest flights from London Heathrow Airport to Vietnam?

    On average you can expect to pay £965 for a flight from London Heathrow Airport to Vietnam. The cheapest flight overall is £428 while the most popular route, (London Heathrow - Hanoi Noibai) is currently priced at £437.

  • Can I find deals for flights from Heathrow to Vietnam that include hotel bookings?

    Yes. In addition to deals on Heathrow to Vietnam flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Vietnam?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Vietnam.

  • Can I find deals for business class flights from Heathrow to Vietnam?

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to Vietnam?

    Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Vietnam (average of £814). Flying from London Heathrow Airport 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

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Alternative routes for Heathrow 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 Heathrow to Vietnam

Discover the top 10 airlines that operate flights from Heathrow 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 April 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£322Average£622FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Shenzhen AirlinesCheapest£396Average£456FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Air FranceCheapest£398Average£660FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air IndiaCheapest£409Average£609FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Air ChinaCheapest£412Average£475FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest£443Average£556FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Virgin AtlanticCheapest£534Average£686FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Singapore AirlinesCheapest£541Average£704FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Cathay PacificCheapest£575Average£756FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Malaysia AirlinesCheapest£580Average£663FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Vietnam?

Cheapflights helps you search for flights from Heathrow to Vietnam via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Vietnam?

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Vietnam by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Heathrow to Vietnam with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Vietnam flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to Vietnam become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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