£259 Find Cheap Flights from London Heathrow Airport to Vietnam

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Heathrow to Vietnam departing on 28/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Heathrow to Vietnam

Cheapest return prices found by our users on KAYAK in the last 72 hours
Hanoi
Hanoi1 stop£390
Ho Chi Minh City
Ho Chi Minh City2 stops£472
Da Nang
Da Nang1 stop£595
Phu Quoc
Phu Quoc2 stops£519
Nha Trang
Nha Trang2 stops£493
Hue
Hue2 stops£800
Haiphong
Haiphong2 stops£842
Con Dao
Con Dao2 stops£881
Hanoi
Hanoi1 stop£390
Ho Chi Minh City
Ho Chi Minh City2 stops£472
Da Nang
Da Nang1 stop£595
Phu Quoc
Phu Quoc2 stops£519
Nha Trang
Nha Trang2 stops£493
Hue
Hue2 stops£800
Haiphong
Haiphong2 stops£842
Con Dao
Con Dao2 stops£881

Book Cheap Heathrow to Vietnam Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Heathrow to Vietnam that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Heathrow to Vietnam

Fri, 23 Jan - Thu, 5 Feb
China Eastern Logo
21:00 - 01:45LHR-HAN
21h 45m1 stop
China Eastern Logo
02:35 - 17:30HAN-LHR
21h 55m2 stops
£390China Eastern
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Sun, 30 Nov - Tue, 16 Dec
Multiple Airlines Logo
21:10 - 01:10LHR-HAN
21h 00m1 stop
Multiple Airlines Logo
20:40 - 17:30HAN-LHR
27h 50m2 stops
£392Multiple Airlines
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Wed, 11 Mar - Tue, 31 Mar
Air China Logo
17:40 - 12:00LHR-HAN
35h 20m1 stop
Air China Logo
13:25 - 17:45HAN-LHR
34h 20m1 stop
£399Air China
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Fri, 9 Jan - Wed, 4 Feb
China Southern Logo
21:30 - 01:40LHR-SGN
21h 10m2 stops
China Southern Logo
16:10 - 18:35SGN-LHR
33h 25m1 stop
£472China Southern
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Sat, 17 Jan - Tue, 3 Feb
China Southern Logo
22:00 - 10:40LHR-SGN
29h 40m1 stop
China Southern Logo
03:00 - 18:35SGN-LHR
22h 35m2 stops
£473China Southern
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Sat, 10 Jan - Wed, 28 Jan
Air China Logo
21:35 - 01:10LHR-SGN
44h 35m2 stops
Air China Logo
05:00 - 17:50SGN-LHR
19h 50m1 stop
£475Air China
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Tue, 3 Feb - Mon, 16 Mar
Cathay Pacific Logo
20:15 - 12:05LHR-PQC
32h 50m1 stop
Cathay Pacific Logo
18:55 - 20:10PQC-LHR
32h 15m1 stop
£620Cathay Pacific
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Mon, 2 Mar - Fri, 20 Mar
Cathay Pacific Logo
20:15 - 09:50LHR-PQC
30h 35m1 stop
Cathay Pacific Logo
10:50 - 15:00PQC-LHR
35h 10m1 stop
£633Cathay Pacific
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Fri, 23 Jan - Wed, 28 Jan
Vietnam Airlines Logo
06:20 - 17:10LHR-VCL
27h 50m2 stops
Vietnam Airlines Logo
13:45 - 07:15VCL-LHR
24h 30m1 stop
£826Vietnam Airlines
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Fri, 23 Jan - Thu, 29 Jan
Vietnam Airlines Logo
06:20 - 17:10LHR-VCL
27h 50m2 stops
Vietnam Airlines Logo
13:45 - 07:15VCL-LHR
24h 30m2 stops
£829Vietnam Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for Heathrow to Vietnam flights

Get data-powered insights and trends into flights from Heathrow to Vietnam to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest London Heathrow Airport to Vietnam flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Vietnam from London Heathrow Airport found in the last 72 hours was to Hanoi, at £594 return. The most popular route is from London Heathrow Airport (LHR) to Ho Chi Minh City (SGN), and the cheapest round-trip airline ticket found on this route in the last 72 hours was £660.

Can I save money by flying with a stopover from London Heathrow Airport to Vietnam?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of £676, prices are generally cheapest when you fly direct.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London Heathrow Airport to Vietnam, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from London Heathrow Airport to Vietnam is September, when tickets cost £646 (return) on average. On the other hand, the most expensive months are July and December, when the average cost of return tickets is £902 and £897 respectively.

What’s the cheapest day of the week to fly from London Heathrow Airport to Vietnam?

The average price of all round-trip flights from London Heathrow Airport to Vietnam clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Vietnam on a Monday, as we generally find the cheapest rates on that day for this route. On the other hand, Tuesday is the most expensive day to fly from London Heathrow Airport to Vietnam. For your return ticket, we recommend flying on a Saturday and avoiding Mondays for the best deals.

How far in advance should I book a flight from London Heathrow Airport to Vietnam?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from London Heathrow Airport to Vietnam, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below-average price on a flight from London Heathrow Airport to Vietnam, you should book around 5 weeks before departure, which saves you about 2% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

Good to know - Cheap tickets from London Heathrow Airport to Vietnam

Low seasonJune
Cheapest flight£258
Best time to beat the crowds (12% less expensive on average)
Most popular time to fly and prices are also 6% lower on average.
Flight from London Heathrow Airport to Hanoi

FAQs - booking Vietnam flights

  • How does KAYAK find such low prices on flights from London Heathrow Airport to Vietnam?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to Vietnam.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to Vietnam?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London Heathrow Airport to Vietnam is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London Heathrow Airport to Vietnam?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from London Heathrow Airport to Vietnam with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to Vietnam?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from London Heathrow Airport to Vietnam up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Vietnam?

    The cheapest time of day to fly to Vietnam is generally at night, when retur flights cost £732 on average. Morning departures are around 10% more expensive than evening flights, on average. The most expensive time of day to fly to Vietnam is generally in the morning, which is peak travel time and where the average cost of a ticket is £803.

Reviews of the top 5 airlines flying from Heathrow to Vietnam

 
Need help choosing which airline to fly with from Heathrow to Vietnam? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.6
Cathay PacificOverall score based on 1066 reviews
7.8Entertainment
7.6Comfort
8.1Crew
7.9Boarding
7.3Food
Airline reviews

It's basically 15 hours with an airline in economy class. There's really not much of anything that could have been done better unless I had a first class ticket. Cathay Pacific does excellent work, with a very professional, friendly and attentive crew. It's literally the only airline that I will fly to Southeast Asia.

10.0 ExcellentErnest, Nov 2025KTI - HKG
Read more Cathay Pacific reviews

It's basically 15 hours with an airline in economy class. There's really not much of anything that could have been done better unless I had a first class ticket. Cathay Pacific does excellent work, with a very professional, friendly and attentive crew. It's literally the only airline that I will fly to Southeast Asia.

Well- trained, cheerful onboard staff. Business class seating and storage were excellent. Outstanding range of food choices, though quality ranged from just OK (seasonal rice and beef dish) to outstanding ( congee and soup noodles with beef brisket). But what can you expect; it's on a plane. I couldn't figure out the remote control, but touch screen worked well. My wife and I (in our 60s), didnt find much to watch from the Entertainment choices. We mostly watched the flight maps. The bedding did the job but is unwieldy and ends up in a clump, with one-third falling on the floor.

First time tying out business class with this airline, hat a disappointment, never returning. We didn’t get the meal as requested from Singapore to HKG flight. While meals served connecting flight, crew takes meal order based off passenger membership status by giving the. Priority selection of meals. It was a battle, plain disappointment, not worth the hype, price, class as categorized/ advertised

Very friendly and accommodating staff. Food was great. Lots of movies and tv shows to choose from. Highly recommend.

Leg room wasn't that great. Other than that it was a good flight

Issues: 1) the charging issue as described in my previous survey 2) when I requested diet coke during the breakfast time, it is not available. Why? I can't drink diet coke in the morning? 3) when I tried to transfer to this flight, its gate information was not available to me?

Close to excellent. The only problem is when I try to charge my phone on the USB in front of my seat, the battery level is decreasing rather than increasing. Why?

A lot of things Never flying with this airline again Had an emergency landing

Chicken pieces were too big with pasta. Need to be smaller.

My connecting flight was canceled or never existed. My stopover went from 1 hour and a half to 10 hours. It was a long day that I wasn't prepared for and it would have been nice to know that ahead of time. Cathay is great though. Great staff, entertainment and food.

Food and welcome services were good , however we experienced issues with the entertainment system and poor headsets

Very good flight and very kind crew Only thing is I wish there would be a vegetarian option for the meals

Lovely staff, comfortable seats. Transit time was short but they had great processes in place to get us on the plane.

For a domestic flight, seats are ok, but fir us as tall dutchies, the legroom is too small. However, for a short and affordable flight, is not a big problem. Staff is still very nice and a complementary water very welcome.

2 hours delay, time changes started already 2 days before the flight

Average, not more then that. Cannot compete with Singapore Airlines

I bought the front row seat and made and early online check in but they changed my seat to the back row without prior notice. The inflight meal was too poor, only a piece of small finger food. The boarding is a disaster, everyone is stuffed in a bus in chaos. Doesnt worth the money at all.

Poor. Flight was delay without prior notice. Poor boarding. Poor meal service. Plane was dirty and smelly. Does not worth the money.

Overall very nice airline. The seats were cloth unlike leather seats I am accustom to on planes. The food was adequate. I had to use a paper boarding pass as they do not like electronic boarding passes. I scanned my electronic pass, but the gate agent requested the paper pass. Luckily I had a paper pass, although my electronic pass worked and when the paper pass was scanned it stated I was already on board.

I am a bit upset with the check in counter, I signed up a wheelchair for my mom so they wouldn’t grant us her boarding pass. We got to the airport a couple of hours earlier and they had us wait and no one ever gave us her boarding pass or the wheelchair, I had to go back and complain when it was already time for our flight to board. Since we got their earlier, I could have easily pushed my mom myself and we could have relaxed and went to the lounge while waiting… when I finally got someone to help us he couldn’t explain how and why they dismissed us in the first place.

In my return flight they couldn’t identify my ticket or boarding pass, I had to go to 3 different counters until I was able to get my boarding pass. The food was on, it was the bear minimum. They didn’t even recognise that I was a Muslim and can’t eat meat, chicken or pork. In one of the trays I believe they served me pork. The staff were very pleasant, but they need to be aware of their surroundings more carefully, one of them stuck her lower belly right into my face! I was shocked and very uncomfortable.

Overall I had good experience with China Southern airline. Nothing to claim. I hoped they could improve the meal quality that is.

Wow very impressed by the quality and attentiveness of service of China Southern. Lived the blankets! Will definitely fly with them again. Despite language barriers, a few attendants know enough English to understand our rudimentary Mandarin and respond to basic questions. Although they don’t explain the beverage and meal service on the website or ticketing documents, they offered regular beverage cart and snacks during the beginning hours and end hours of the long, transoceanic flight. A full meal at the beginning and end of the flight as well, and a midflight small sandwich (dinner roll sized) but we weren’t hungry and didn’t try that one. The expectation is that every sleeps during the middle of the flight. We were on a “redeye” departure from LAX with a morning arrival in China, so I don’t know if this service pattern is the same for other flights. The domestic flight we took from Guangzhou to Harbin offered conventional refreshments and meals like a US flight service. Note that they didn’t offer diet sodas. If you like to stay hydrated, I recommend bringing plenty of your own. It is served in small cups like any other drink. You can ask for a bottle but they’re tiny - about 6 ounces.

China Southern was not the problem. I booked my flight through Kayak and also received a booking reference and alert details regarding departure time and gate numbers… however Kayak NEVER actually booked my flight! We were stranded at the airport without a flight for a long awaited holiday!

The connection between LA and Atlanta was too much stress

Terrible boarding experience,,food is very poor that I I . Never going book this airline again.

The crew were kind, patient and responsive. The service was excellent, even though we travelled the cheapest economy class. We arrived at our destination 40 min early, which for a 15+ hour flight is a great bonus. The boarding seemed a bit "loose", but got us boarded on time, and the plane was off exactly @ 0:30 hrs.

The airport didn‘t give me the ticket. I called customer service to ask for a refund but they kept giving me a perfunctory response and refused to refund me.

The flight was delayed hours and most flights from CS are always delayed. Plane was efficient and got us home but not the best food and no entertainment system at all.

Not good - chair back could not move back for premium economy. Not worth the price

Indigo airlines is terrible. Staff is awful and so disorganized. They are so rude and unhelpful. I will never travel on Indigo airlines again!!!!!

Terrible experience resolving missed connection after flight was delayed. 3 hour queue at transit desk, not enough staff, no organisation, worst ever flying experience.

Worse fight I ever take since I start flying , still have even made home , and crew abandon us half way home . No water no food and no even anyone to answer our questions

The Achilles heel of the experience with Qatar Airways is the Doha Airport, especially for travellers arriving into Doha and not transiting. This airport suffers from being ambitiously big and the immigration into Qatar being overly time taking. At the end of my particular flight in which my travel was ending in Doha, the plane parked at a very remote terminal, from where it took me 30 minutes to arrive just at the immigration counter, with fast paced walking and the time on a train inside the airport. Then, at the immigration counter it takes up to a minute or more to process each tourist visitor,due to time taking face and finger scanning processes and langugage barriers if there are questions or information to be exchanged verbally with the officers. If several planes have landed at the same time, it is not unusual that one has to wait 45 to 60 minutes in the immigration queue. In short, the frustration of arriving at Doha takes away all positive vibe of the airline, as the airline and the airport are heavily intertwined and are marketed together.

Qatar Airways did a very good job. Flights were slightly delayed with boarding but pilots made up time by arrival. The food was OK, no better or worse than other airlines. Although it would be nice to have three meals during 16 hours flight instead of two.

The Qatar Airways staff pre-boarding and also on the flight from Dallas to Doha were incredibly mediocre and arrogant. Consider retraining these individuals Other flights were ok.

No difference between US airline and Qatar. Both cramp as many people. The airline seems to change planes without notice choice is seating when making reservations online doesn’t match the plane a passenger is on. Especially paying extra. Nothing special No different than US carriers.

Boston to Doha was great but Doha to Dhaka was the worst experience.

The rows of seats in economy class are seriously close to one another making eating and resting just about impossible - there is hardly any legroom. Anyone larger than average size would have an incredibly uncomfortable flight. I had to basically share my seat with the lady passenger next to me as she was too big to fit into her allotted seat.

My carry on bag was taken by Alaska Air as we boarded in LAX! She said there was not room. There was plenty of room. I told her that my meds and personal items were in it. She did not care. She said it would be sent to my final destination, Nairobi. Well it got to Nairobi the day I was to fly home. The handle of my bag was crushed so could not retract. So I had to remove it. I had to buy converters, malaria medication. personal items. I filled out the missing form at the Nairobi airport. I asked that it be shipped to the Kisumu airport. When it was obviously not going to make it for my time in Kenya. I asked that it be sent to John Wayne Airport. NONE of that happened. I only knew it was at Nairobi because my air tag indicated it was finally in Nairobi the day I was leaving Kenya! Now I need to purchase a new carry on bag!!!

Everything you need to know for your flight from Heathrow to Vietnam

Information on your arrival and departure airports