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Cheap flights from London Heathrow Airport to Vietnam from £307

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SGN
29 Mar — 5 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 24 March 2025.

Round-trip from

£444

One-way from

£307

Popular in

December

Cheapest in

May

Average price

£627

Good round-trip deal

£654 or less

Good one-way deal

£438 or less
Shenzhen Airlines
  • Shenzhen Airlines
  • 30/4-27/5
  • 2 total stops
  • 57h 50m total
  • London to Vietnam
Search Deals
China Southern
  • China Southern
  • 20/4
  • 1 total stop
  • 23h 25m total
  • London to Vietnam
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£10 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 24 March 2025.

Wed 30/422:05LHR - HAN
1 stop34h 00mShenzhen Airlines
Tue 27/502:10HAN - LHR
1 stop23h 50mShenzhen Airlines
Deal found 24/3£444
Sun 11/522:10LHR - HAN
1 stop19h 05mChina Southern
Thu 22/508:15HAN - LHR
1 stop16h 45mChina Southern
Deal found 23/3£444
Mon 12/522:10LHR - CXR
1 stop35h 00mChina Southern
Tue 20/516:00CXR - LHR
2 stops32h 05mChina Southern
Deal found 23/3£455
Thu 25/921:00LHR - SGN
2 stops22h 25mChina Southern
Sat 11/1001:40SGN - LHR
1 stop20h 35mChina Southern
Deal found 24/3£461
Sat 18/1022:05LHR - SGN
1 stop21h 15mShenzhen Airlines
Sun 26/1002:20SGN - LHR
1 stop23h 50mShenzhen Airlines
Deal found 24/3£462
Mon 28/420:25LHR - HAN
2 stops32h 30mAir China
Wed 14/517:55HAN - LHR
2 stops32h 20mAir China
Deal found 24/3£465
Thu 1/522:40LHR - SGN
1 stop20h 00mAir China
Sat 10/505:10SGN - LHR
1 stop21h 20mAir China
Deal found 24/3£466
Mon 12/522:10LHR - CXR
2 stops27h 55mMultiple Airlines
Tue 20/516:00CXR - LHR
2 stops30h 15mMultiple Airlines
Deal found 23/3£468
Thu 1/514:40LHR - SGN
3 stops35h 40mMultiple Airlines
Sat 10/509:35SGN - LHR
2 stops33h 05mMultiple Airlines
Deal found 23/3£493
Sat 3/522:05LHR - PQC
2 stops38h 20mMultiple Airlines
Fri 16/519:10PQC - LHR
2 stops30h 40mMultiple Airlines
Deal found 24/3£529
Thu 5/621:20LHR - HAN
1 stop34h 40mChina Eastern
Thu 12/617:30HAN - LHR
2 stops31h 10mChina Eastern
Deal found 23/3£541
Tue 22/421:20LHR - SGN
3 stops38h 50mChina Eastern
Sat 10/519:10SGN - LHR
2 stops29h 30mChina Eastern
Deal found 23/3£543

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 24 March 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

Wed 30/4

22:05-14:05

1 stop34h 00m

Hanoi Noibai

Tue 27/5

02:10-20:00

1 stop23h 50m

£444

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sun 11/5

22:10-23:15

1 stop19h 05m

Hanoi Noibai

Thu 22/5

08:15-19:00

1 stop16h 45m

£444

LondonNha Trang

LHR - CXR

LHRCXR

London Heathrow

Mon 12/5

22:10-15:10

1 stop35h 00m

Nha Trang Cam Ranh

Tue 20/5

16:00-18:05

2 stops32h 05m

£455

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Thu 1/5

22:10-01:35

1 stop21h 25m

Ho Chi Minh City

Sat 10/5

01:40-16:15

1 stop20h 35m

£461

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Wed 23/4

22:05-01:20

1 stop21h 15m

Ho Chi Minh City

Fri 2/5

02:20-19:50

1 stop23h 30m

£462

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 28/4

20:25-10:55

2 stops32h 30m

Hanoi Noibai

Wed 14/5

17:55-20:15

2 stops32h 20m

£465

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Thu 1/5

22:40-00:40

1 stop20h 00m

Ho Chi Minh City

Sat 10/5

05:10-20:30

1 stop21h 20m

£466

LondonNha Trang

LHR - CXR

LHRCXR

London Heathrow

Mon 12/5

22:10-08:05

2 stops27h 55m

Nha Trang Cam Ranh

Tue 20/5

16:00-16:15

2 stops30h 15m

£468

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Thu 1/5

14:40-08:20

3 stops35h 40m

Ho Chi Minh City

Sat 10/5

09:35-12:40

2 stops33h 05m

£493

LondonPhu Quoc

LHR - PQC

LHRPQC

London Heathrow

Sat 3/5

22:05-18:25

2 stops38h 20m

Phu Quoc Duong Dang

Fri 16/5

19:10-19:50

2 stops30h 40m

£529

Flights are sorted by cheapest return flights first.

Deals found on 23/3

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 £812). 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 24 March 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 24 March 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
1,047 reviews
Check prices

Food

8.1

Entertainment

8.2

Overall

8.4

Crew

8.7

Comfort

8.3

Boarding

8.5

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
1,047 reviews
Korean Air
8.4
Very Good
1,047 reviews
Check prices

Food

8.1

Entertainment

8.2

Overall

8.4

Crew

8.7

Comfort

8.3

Boarding

8.5

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.
China Airlines
8.2
Very Good
723 reviews
Korean Air
8.4
Very Good
1,047 reviews
Check prices

Food

8.1

Entertainment

8.2

Overall

8.4

Crew

8.7

Comfort

8.3

Boarding

8.5

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.
Asiana Airlines
8.2
Very Good
442 reviews
Korean Air
8.4
Very Good
1,047 reviews
Check prices

Food

8.1

Entertainment

8.2

Overall

8.4

Crew

8.7

Comfort

8.3

Boarding

8.5

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
1,283 reviews
Korean Air
8.4
Very Good
1,047 reviews
Check prices

Food

8.1

Entertainment

8.2

Overall

8.4

Crew

8.7

Comfort

8.3

Boarding

8.5

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 (£307), Shenzhen Airlines (£320), and Air China (£324).

  • 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 £1,675 for a flight from London Heathrow Airport to Vietnam. The cheapest flight overall is £354 while the most popular route, (London Heathrow - Ho Chi Minh City) is currently priced at £529.

  • 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 £812). 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 24 March 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£329Average£628FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Shenzhen AirlinesCheapest£406Average£465FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Air FranceCheapest£408Average£689FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air IndiaCheapest£418Average£618FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Air ChinaCheapest£419Average£485FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest£442Average£567FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Virgin AtlanticCheapest£546Average£702FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Singapore AirlinesCheapest£558Average£718FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Cathay PacificCheapest£589Average£774FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Malaysia AirlinesCheapest£593Average£676FlexibilityNo 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 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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