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Cheap flights from Portsmouth to Vietnam from £533

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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SGN
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Portsmouth to Vietnam

Keep the following information in mind while searching for Portsmouth to Vietnam flight deals. Data was last updated 16 September 2025.

Round-trip from

£728

One-way from

£533

Popular in

July

Cheapest in

November

Average price

£579
30/10-5/11
  • 30/10-5/11
  • 4 total stops
  • 46h 25m total
  • Portsmouth to Vietnam
Search Deals
3/1
  • 3/1
  • 3 total stops
  • 42h 25m total
  • Portsmouth to Vietnam
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£66 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Portsmouth to Vietnam

Cheapest flights from Portsmouth to Vietnam
Explore the most affordable flight options available from Portsmouth to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Thu 30/1009:30SOU - HAN
2 stops20h 10mMultiple Airlines
Wed 5/1100:25HAN - SOU
2 stops26h 15mMultiple Airlines
Deal found 15/9£728
Wed 29/1012:25SOU - DAD
3 stops24h 10mMultiple Airlines
Wed 5/1105:45DAD - SOU
3 stops39h 25mMultiple Airlines
Deal found 14/9£959
Sat 15/1109:30SOU - HAN
2 stops38h 25mQatar Airways
Sun 30/1119:10HAN - SOU
2 stops27h 25mQatar Airways
Deal found 16/9£1,080
Tue 30/909:20SOU - HAN
2 stops26h 30mKLM
Sat 4/1008:50HAN - SOU
2 stops29h 55mKLM
Deal found 14/9£1,240
Wed 17/908:40SOU - SGN
2 stops23h 10mMultiple Airlines
Tue 30/920:00SGN - SOU
2 stops22h 05mMultiple Airlines
Deal found 13/9£1,269
Sun 28/918:25SOU - SGN
2 stops55h 00mKLM
Thu 2/1008:45SGN - SOU
2 stops38h 15mKLM
Deal found 14/9£1,330
Thu 18/909:40SOU - SGN
2 stops22h 10mMultiple Airlines
Thu 2/1020:00SGN - SOU
2 stops29h 30mMultiple Airlines
Deal found 13/9£1,391
Tue 16/908:40SOU - HAN
2 stops23h 15mMultiple Airlines
Tue 23/919:30HAN - SOU
2 stops22h 35mMultiple Airlines
Deal found 15/9£1,404

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth 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 16 September 2025.
Use the filters below to find and compare flights from Portsmouth to Vietnam that are best for you.

Fly from

Portsmouth

Fly to

Vietnam

Route

Depart

Return

Price

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Thu 30/10

09:30-12:20

2 stops19h 50m

Hanoi Noibai

Thu 6/11

19:10-19:40

2 stops31h 30m

£731

SouthamptonDa Nang

SOU - DAD

SOUDAD

Southampton Eastleigh

Wed 29/10

12:25-19:35

3 stops24h 10m

Da Nang

Wed 5/11

05:45-14:10

3 stops39h 25m

£959

SouthamptonHo Chi Minh City

SOU - SGN

SOUSGN

Southampton Eastleigh

Tue 6/1

12:25-13:05

2 stops41h 40m

Ho Chi Minh City

Tue 31/3

09:20-19:30

2 stops40h 10m

£1,043

SouthamptonHo Chi Minh City

SOU - SGN

SOUSGN

Southampton Eastleigh

Thu 15/1

09:30-13:05

2 stops20h 35m

Ho Chi Minh City

Sat 28/2

08:55-19:40

2 stops41h 45m

£1,066

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Sat 15/11

09:30-06:55

2 stops38h 25m

Hanoi Noibai

Sun 30/11

19:10-15:35

2 stops27h 25m

£1,080

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Tue 30/9

09:20-17:50

2 stops26h 30m

Hanoi Noibai

Sat 4/10

08:50-08:45

2 stops29h 55m

£1,240

SouthamptonHo Chi Minh City

SOU - SGN

SOUSGN

Southampton Eastleigh

Sun 28/9

18:25-07:25

2 stops55h 00m

Ho Chi Minh City

Thu 2/10

08:45-08:45

2 stops30h 00m

£1,330

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Sat 3/1

07:20-08:45

3 stops42h 25m

£533

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Sat 14/2

09:30-06:55

2 stops38h 25m

£670

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Best time to book a flight from Portsmouth to Vietnam

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

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

Currently, November is the cheapest month in which you can book a flight from Portsmouth to Vietnam (average of £812). Flying from Portsmouth 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 P0R to VN?

Find hourly flight availability from Portsmouth 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 16 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portsmouth to Vietnam as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth 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 Portsmouth to Vietnam?

    Qatar Airways and KLM can get you from Portsmouth to Vietnam in just under 41h 40m. Your travel time can differ by up to 13h 20m. The distance between Portsmouth and Vietnam is about 6395 mi. This flight may include one or multiple stops.

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

    When deciding which route to take from Portsmouth to Vietnam consider Southampton Eastleigh - Ho Chi Minh City, Southampton Eastleigh - Hanoi Noibai or Southampton Eastleigh - Da Nang as they are the most popular.

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

    Consider Scandinavian Airlines (69%), Vietnam Airlines (69%) or Cambodia Angkor Air (69%) when booking your flight. These represent the most reliable airlines when flying from Portsmouth to Vietnam.

  • What are the cheapest flights from Portsmouth to Vietnam?

    Looking for the cheapest flight from Portsmouth to Vietnam? While on average our users pay £1,456, our data indicates the cheapest price to be £404. The most popular route (Southampton Eastleigh - Ho Chi Minh City), is priced around £1,043.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portsmouth 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 Portsmouth to Vietnam?

    Currently, November is the cheapest month in which you can book a flight from Portsmouth to Vietnam (average of £812). Flying from Portsmouth 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 Portsmouth 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 Portsmouth to Vietnam

Discover the top 10 airlines that operate flights from Portsmouth 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 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
EmiratesCheapest£321Average£794FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Air ChinaCheapest£345Average£460FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest£375Average£551FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Shenzhen AirlinesCheapest£375Average£449FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Air IndiaCheapest£398Average£615FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
China EasternCheapest£401Average£547FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Singapore AirlinesCheapest£515Average£700FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Etihad AirwaysCheapest£520Average£604FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Malaysia AirlinesCheapest£526Average£639FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Air FranceCheapest£533Average£610FlexibilityNo 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 Portsmouth to Vietnam?

Cheapflights makes it easy to find Portsmouth to Vietnam flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Portsmouth to Vietnam for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Vietnam from Portsmouth 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 Portsmouth to Vietnam become cheaper?

Yes, Cheapflights offers price alerts on Portsmouth to Vietnam flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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