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Cheap flights from London to Vietnam from £297

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SGN
8 Sep — 15 Sep1
1 adult

Cheap flight deals from London to Vietnam

Keep the following information in mind while searching for London to Vietnam flight deals. Data was last updated 3 September 2025.

Round-trip from

£393

One-way from

£297

Popular in

July

Cheapest in

November

Average price

£593

Good round-trip deal

£621 or less

Good one-way deal

£447 or less
Air China
  • Air China
  • 30/1-10/2
  • 2 total stops
  • 45h 15m total
  • London to Vietnam
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15/9
  • 15/9
  • 1 total stop
  • 26h 55m total
  • London to Vietnam
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£63 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 September 2025
Search Deals
Price to beat on a round-trip flight from London (LON) to Vietnam.
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Price to beat on a one-way flight from London (LON) to Vietnam.
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Find flight deals from London to Vietnam

Cheapest flights from London to Vietnam
Explore the most affordable flight options available from London to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 September 2025.

Thu 2/1020:25LHR - HAN
1 stop33h 30mAir China
Sat 18/1013:25HAN - LHR
1 stop37h 05mAir China
Deal found 1/9£396
Wed 26/1111:40LGW - HAN
1 stop22h 00mAir China
Sun 7/1212:25HAN - LGW
1 stop25h 30mAir China
Deal found 2/9£396
Sun 14/922:05LHR - HAN
1 stop21h 05mShenzhen Airlines
Tue 28/1002:10HAN - LHR
1 stop24h 00mShenzhen Airlines
Deal found 1/9£397
Tue 30/1211:40LGW - HAN
1 stop22h 00mAir China
Wed 28/112:25HAN - LGW
1 stop25h 30mAir China
Deal found 2/9£397
Sun 21/922:05LHR - HAN
1 stop28h 35mShenzhen Airlines
Sun 5/1002:10HAN - LHR
1 stop23h 40mShenzhen Airlines
Deal found 2/9£398
Fri 3/1011:15LGW - HAN
1 stop17h 40mAir China
Mon 13/1018:15HAN - LGW
1 stop18h 40mAir China
Deal found 2/9£398
Wed 19/1111:40LGW - HAN
1 stop22h 00mAir China
Sun 23/1112:25HAN - LGW
1 stop25h 30mAir China
Deal found 2/9£398
Wed 12/1111:40LGW - HAN
1 stop22h 00mAir China
Tue 16/1218:15HAN - LGW
1 stop19h 40mAir China
Deal found 2/9£399
Thu 11/922:40LHR - HAN
1 stop31h 15mAir China
Thu 16/1013:25HAN - LHR
1 stop37h 05mAir China
Deal found 2/9£400
Wed 24/922:05LHR - HAN
1 stop34h 00mShenzhen Airlines
Tue 11/1119:40HAN - LHR
1 stop30h 30mShenzhen Airlines
Deal found 2/9£402
Sun 21/911:25LGW - HAN
1 stop17h 35mAir China
Mon 6/1018:15HAN - LGW
1 stop18h 40mAir China
Deal found 2/9£403
Fri 3/1011:15LGW - HAN
1 stop17h 40mAir China
Fri 10/1017:55HAN - LGW
1 stop19h 00mAir China
Deal found 1/9£406

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 3 September 2025.
Use the filters below to find and compare flights from London to Vietnam that are best for you.

Fly from

London

Fly to

Vietnam

Route

Depart

Return

Price

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Wed 26/11

11:40-16:40

1 stop22h 00m

Hanoi Noibai

Sun 7/12

12:25-06:55

1 stop25h 30m

£396

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Tue 6/1

11:40-16:40

1 stop22h 00m

Hanoi Noibai

Sun 22/3

18:15-06:55

1 stop19h 40m

£397

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Sun 1/3

11:40-16:40

1 stop22h 00m

Hanoi Noibai

Fri 20/3

18:15-06:55

1 stop19h 40m

£397

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Sun 11/1

11:40-16:40

1 stop22h 00m

Hanoi Noibai

Sat 31/1

12:25-06:55

1 stop25h 30m

£397

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Fri 9/1

11:40-16:40

1 stop22h 00m

Hanoi Noibai

Sat 31/1

12:25-06:55

1 stop25h 30m

£397

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Wed 7/1

11:40-16:40

1 stop22h 00m

Hanoi Noibai

Tue 27/1

18:15-06:55

1 stop19h 40m

£397

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Thu 8/1

11:40-16:40

1 stop22h 00m

Hanoi Noibai

Mon 23/3

12:25-06:55

1 stop25h 30m

£397

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 19/9

22:05-01:10

1 stop21h 05m

Hanoi Noibai

Sun 12/10

18:40-19:50

1 stop31h 10m

£413

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Mon 10/11

10:30-12:30

1 stop19h 00m

Hanoi Noibai

Sat 29/11

02:45-14:00

1 stop18h 15m

£413

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 19/9

22:05-01:10

1 stop21h 05m

Hanoi Noibai

Thu 9/10

02:10-20:00

1 stop23h 50m

£413

Flights are sorted by cheapest return flights first.

Deals found on 2/9

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

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

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

Currently, November is the cheapest month in which you can book a flight from London to Vietnam (average of £815). Flying from London 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 LON to VN?

Find hourly flight availability from London 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 3 September 2025.

It’s typically best to fly out from London to Vietnam in the afternoon. Doing so could potentially save you 9% on the flight price compared to flying in the morning, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly return from London to Vietnam. Price data was last updated on 16 December 2024.

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

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 3 September 2025.
Read reviews from past customers who have flown with Vietnam Airlines, China Southern, andQatar Airways from London to Vietnam. 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.
Vietnam Airlines
7.6
Good
201 reviews
Check prices

Food

6.8

Comfort

7.6

Crew

8.1

Overall

7.6

Boarding

7.5

Entertainment

6.3

Reviews

1 / 14
10.0
Excellent

Allen,Aug 2025

SGN - PER

We were surprised. Vietnam airlines was a wonderful and comfortable experience. Our flights were on time, the staff were very attentive, and the aircraft was spacious. We flew on a 787.
Vietnam Airlines
7.6
Good
201 reviews
Vietnam Airlines
7.6
Good
201 reviews
Check prices

Food

6.8

Comfort

7.6

Crew

8.1

Overall

7.6

Boarding

7.5

Entertainment

6.3

Reviews

1 / 14
10.0
Excellent

Allen,Aug 2025

SGN - PER

We were surprised. Vietnam airlines was a wonderful and comfortable experience. Our flights were on time, the staff were very attentive, and the aircraft was spacious. We flew on a 787.
China Southern
7.5
Good
110 reviews
Vietnam Airlines
7.6
Good
201 reviews
Check prices

Food

6.8

Comfort

7.6

Crew

8.1

Overall

7.6

Boarding

7.5

Entertainment

6.3

Reviews

1 / 14
10.0
Excellent

Allen,Aug 2025

SGN - PER

We were surprised. Vietnam airlines was a wonderful and comfortable experience. Our flights were on time, the staff were very attentive, and the aircraft was spacious. We flew on a 787.
Qatar Airways
7.4
Good
3,616 reviews
Vietnam Airlines
7.6
Good
201 reviews
Check prices

Food

6.8

Comfort

7.6

Crew

8.1

Overall

7.6

Boarding

7.5

Entertainment

6.3

Reviews

1 / 14
10.0
Excellent

Allen,Aug 2025

SGN - PER

We were surprised. Vietnam airlines was a wonderful and comfortable experience. Our flights were on time, the staff were very attentive, and the aircraft was spacious. We flew on a 787.
Air China
7.2
Good
97 reviews
Vietnam Airlines
7.6
Good
201 reviews
Check prices

Food

6.8

Comfort

7.6

Crew

8.1

Overall

7.6

Boarding

7.5

Entertainment

6.3

Reviews

1 / 14
10.0
Excellent

Allen,Aug 2025

SGN - PER

We were surprised. Vietnam airlines was a wonderful and comfortable experience. Our flights were on time, the staff were very attentive, and the aircraft was spacious. We flew on a 787.

Related info for your journey

Find useful and relevant information for your journey from London to Vietnam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London to Vietnam?

    For as low as £413, Air China can have you in Vietnam from London in 21h 05m. Airlines will cover a distance of 5736 mi. This flight may include one or multiple stops.

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

    While some choose either London Heathrow - Hanoi Noibai or London Gatwick - Ho Chi Minh City, London Heathrow - Ho Chi Minh City is the most popular route from London to Vietnam.

  • What are the most reliable airlines from London to Vietnam?

    No one likes to see their flight delayed. When booking a flight from London to Vietnam consider choosing Scandinavian Airlines (69%), Vietnam Airlines (69%) or Cambodia Angkor Air (69%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London to Vietnam?

    Looking at all options, your cheapest flight can be booked for £405. While the most popular route (London Heathrow - Ho Chi Minh City) can be booked for £393 on average our data indicates £1,465 when flying from London to Vietnam.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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 to Vietnam?

    Currently, November is the cheapest month in which you can book a flight from London to Vietnam (average of £815). Flying from London 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London 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 London to Vietnam

Discover the top 10 airlines that operate flights from London 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 3 September 2025.
AirlineCheapestAverageFlexibilityOn-time
EmiratesCheapest£325Average£792FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Air ChinaCheapest£349Average£466FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest£380Average£558FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Shenzhen AirlinesCheapest£380Average£456FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China EasternCheapest£405Average£553FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air IndiaCheapest£410Average£630FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Singapore AirlinesCheapest£486Average£707FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Etihad AirwaysCheapest£527Average£603FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Malaysia AirlinesCheapest£534Average£646FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Air FranceCheapest£539Average£617FlexibilityNo cancel feeOn-time77%
Search Air France 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 London to Vietnam?

When you search for this flight from London to Vietnam, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Vietnam from London.

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

Certainly. Search results for flights to Vietnam from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Vietnam from London today and book when prices fit your budget.

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