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Cheap flights from London Heathrow Airport to Vietnam from £291

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SGN
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

£453

One-way from

£291

Popular in

December

Cheapest in

November

Average price

£600

Good round-trip deal

£680 or less

Good one-way deal

£446 or less
China Eastern
  • China Eastern
  • 23/6-7/7
  • 4 total stops
  • 60h 05m total
  • London to Vietnam
Search Deals
Air China
  • Air China
  • 9/9
  • 2 total stops
  • 19h 50m total
  • London to Vietnam
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£5 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 June 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.
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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 13 June 2025.

Sat 22/1120:25LHR - HAN
1 stop32h 30mAir China
Wed 10/1213:25HAN - LHR
1 stop35h 25mAir China
Deal found 11/6£451
Fri 31/1021:10LHR - HAN
1 stop20h 50mShenzhen Airlines
Fri 14/1102:00HAN - LHR
1 stop24h 10mShenzhen Airlines
Deal found 11/6£452
Mon 23/621:20LHR - HAN
2 stops28h 55mChina Eastern
Mon 7/717:30HAN - LHR
2 stops31h 10mChina Eastern
Deal found 11/6£453
Thu 2/1022:10LHR - HAN
2 stops38h 45mChina Southern
Sun 12/1015:45HAN - LHR
1 stop33h 15mChina Southern
Deal found 11/6£457
Thu 2/1022:10LHR - SGN
1 stop30h 50mChina Southern
Wed 8/1002:35SGN - LHR
1 stop22h 25mChina Southern
Deal found 10/6£467
Sun 15/621:20LHR - SGN
2 stops38h 50mChina Eastern
Sun 6/719:30SGN - LHR
2 stops29h 10mChina Eastern
Deal found 10/6£470
Wed 18/622:05LHR - SGN
1 stop21h 15mShenzhen Airlines
Sat 21/602:20SGN - LHR
1 stop23h 40mShenzhen Airlines
Deal found 12/6£486
Tue 9/920:25LHR - SGN
2 stops19h 50mAir China
Mon 6/1002:20SGN - LHR
2 stops48h 10mAir China
Deal found 12/6£491
Sun 21/920:25LHR - SGN
2 stops19h 50mMultiple Airlines
Sun 5/1016:40SGN - LHR
2 stops32h 30mMultiple Airlines
Deal found 11/6£506
Mon 16/621:20LHR - HAN
1 stop22h 00mMultiple Airlines
Mon 30/613:25HAN - LHR
1 stop37h 05mMultiple Airlines
Deal found 12/6£544
Mon 25/809:45LHR - SGN
1 stop28h 10mAir India
Sun 7/920:55SGN - LHR
2 stops29h 25mAir India
Deal found 12/6£580
Wed 27/811:25LHR - HAN
1 stop24h 10mSingapore Airlines
Mon 15/918:30HAN - LHR
1 stop27h 15mSingapore Airlines
Deal found 12/6£584

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 13 June 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

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 22/11

20:25-11:55

1 stop32h 30m

Hanoi Noibai

Wed 10/12

13:25-17:50

1 stop35h 25m

£451

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 31/10

21:10-01:00

1 stop20h 50m

Hanoi Noibai

Fri 14/11

02:00-19:10

1 stop24h 10m

£452

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 23/6

21:20-08:15

2 stops28h 55m

Hanoi Noibai

Mon 7/7

17:30-18:40

2 stops31h 10m

£453

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Thu 2/10

22:10-18:55

2 stops38h 45m

Hanoi Noibai

Sun 12/10

15:45-19:00

1 stop33h 15m

£457

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Thu 2/10

22:10-11:00

1 stop30h 50m

Ho Chi Minh City

Wed 8/10

02:35-19:00

1 stop22h 25m

£467

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Thu 26/6

21:20-18:10

2 stops38h 50m

Ho Chi Minh City

Tue 29/7

19:10-18:40

2 stops53h 30m

£470

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Sat 15/11

17:40-01:10

1 stop24h 30m

Ho Chi Minh City

Mon 22/12

04:55-15:55

1 stop18h 00m

£483

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Sun 7/9

22:05-01:20

1 stop21h 15m

Ho Chi Minh City

Thu 18/9

02:20-20:00

1 stop23h 40m

£486

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Sun 21/9

20:25-22:15

2 stops19h 50m

Ho Chi Minh City

Sun 5/10

16:40-19:10

2 stops32h 30m

£506

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Wed 29/10

21:10-13:55

1 stop33h 45m

Hanoi Noibai

Thu 13/11

02:00-17:50

2 stops22h 50m

£542

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 56 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, May is the cheapest month in which you can book a flight from London Heathrow Airport to Vietnam (average of £820). 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 13 June 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 10% 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 13 June 2025.
To help decide which airline to fly from London to Vietnam, see what other customers have to say about Korean Air, China Airlines and Asiana 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
1,091 reviews
Check prices

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Korean Air
8.4
Very Good
1,091 reviews
Korean Air
8.4
Very Good
1,091 reviews
Check prices

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
China Airlines
8.3
Very Good
738 reviews
Korean Air
8.4
Very Good
1,091 reviews
Check prices

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Asiana Airlines
8.2
Very Good
440 reviews
Korean Air
8.4
Very Good
1,091 reviews
Check prices

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Emirates
8.1
Very Good
3,265 reviews
Korean Air
8.4
Very Good
1,091 reviews
Check prices

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

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 Air China (£291), Shenzhen Airlines (£319), and China Eastern (£321).

  • 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 - Ho Chi Minh City, London Heathrow - Hanoi Noibai and London Heathrow - Da Nang.

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

    On average you can expect to pay £1,569 for a flight from London Heathrow Airport to Vietnam. The cheapest flight overall is £349 while the most popular route, (London Heathrow - Ho Chi Minh City) is currently priced at £462.

  • 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, May is the cheapest month in which you can book a flight from London Heathrow Airport to Vietnam (average of £820). 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£313Average£594FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Shenzhen AirlinesCheapest£386Average£450FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Air ChinaCheapest£393Average£461FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest£394Average£539FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air IndiaCheapest£399Average£610FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Etihad AirwaysCheapest£508Average£577FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Virgin AtlanticCheapest£536Average£668FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Malaysia AirlinesCheapest£537Average£647FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Air FranceCheapest£539Average£622FlexibilityNo cancel feeOn-time77%
Search Air France flights
Singapore AirlinesCheapest£544Average£720FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

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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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