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Cheap flights from Portsmouth to Vietnam from £627

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SGN
2 May — 9 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Vietnam

Enter your travel dates to find the best prices.

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 2 April 2026.

Fri 15/517:20
SOU
-
HAN
2 stops43h 25m
Multiple Airlines
Fri 22/509:35
HAN
-
SOU
2 stops32h 10m
Multiple Airlines
Deal found 30/3£803
Fri 15/509:20
SOU
-
SGN
3 stops30h 05m
Multiple Airlines
Fri 22/509:15
SGN
-
SOU
3 stops32h 30m
Multiple Airlines
Deal found 30/3£862
Wed 10/608:55
SOU
-
HAN
2 stops23h 00m
Multiple Airlines
Tue 23/603:00
HAN
-
SOU
2 stops22h 30m
Multiple Airlines
Deal found 2/4£952
Wed 29/420:00
SOU
-
SGN
2 stops35h 00m
Multiple Airlines
Wed 13/519:20
SGN
-
SOU
2 stops27h 30m
Multiple Airlines
Deal found 1/4£1,005
Thu 14/509:20
SOU
-
HAN
2 stops22h 35m
Multiple Airlines
Wed 27/501:55
HAN
-
SOU
2 stops23h 35m
Multiple Airlines
Deal found 31/3£1,008
Wed 29/409:20
SOU
-
HAN
2 stops22h 35m
Multiple Airlines
Tue 12/501:55
HAN
-
SOU
2 stops23h 35m
Multiple Airlines
Deal found 1/4£1,008
Thu 30/420:00
SOU
-
SGN
2 stops35h 00m
Multiple Airlines
Thu 7/519:20
SGN
-
SOU
2 stops27h 30m
Multiple Airlines
Deal found 31/3£1,011
Mon 27/420:00
SOU
-
SGN
2 stops35h 00m
Qatar Airways
Thu 14/519:20
SGN
-
SOU
2 stops30h 10m
Qatar Airways
Deal found 1/4£1,020
Wed 8/420:00
SOU
-
HAN
2 stops35h 55m
Multiple Airlines
Sun 19/401:55
HAN
-
SOU
2 stops23h 35m
Multiple Airlines
Deal found 2/4£1,022
Mon 11/509:10
SOU
-
HAN
2 stops22h 45m
Qatar Airways
Mon 25/501:55
HAN
-
SOU
2 stops23h 35m
Qatar Airways
Deal found 31/3£1,023
Mon 27/420:00
SOU
-
HAN
2 stops29h 15m
Qatar Airways
Sun 10/501:55
HAN
-
SOU
2 stops23h 35m
Qatar Airways
Deal found 1/4£1,024
Mon 11/509:10
SOU
-
HAN
2 stops22h 45m
Qatar Airways
Wed 27/501:55
HAN
-
SOU
2 stops47h 35m
Qatar Airways
Deal found 31/3£1,024

Find flight deals from Portsmouth to Vietnam

Keep the following information in mind while searching for Portsmouth to Vietnam flight deals. Data was last updated 2 April 2026.

Round-trip from

£803

One-way from

£627

Popular in

July

Cheapest in

November

Average price

£635
15/5-22/5
  • 15/5-22/5
  • 4 total stops
  • 75h 35m total
  • Portsmouth to Vietnam
Search Deals
Qatar Airways
  • Qatar Airways
  • 1/9
  • 2 total stops
  • 29h 15m total
  • Portsmouth to Vietnam
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£62 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 April 2026
Search Deals

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 2 April 2026.
Use the filters below to find and compare flights from Portsmouth to Vietnam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonHo Chi Minh City

SOU - SGN

SOUSGN

Southampton Eastleigh

Thu 30/4

20:00-13:00

2 stops35h 00m

Ho Chi Minh City

Thu 7/5

19:20-16:50

2 stops27h 30m

£1,011

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Wed 13/5

09:10-13:55

2 stops22h 45m

Hanoi Noibai

Mon 25/5

18:30-19:30

2 stops31h 00m

£1,023

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Tue 12/5

09:10-13:55

2 stops22h 45m

Hanoi Noibai

Mon 25/5

18:30-19:30

2 stops31h 00m

£1,023
Fastest return journey

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Tue 28/4

09:10-13:55

2 stops22h 45m

Hanoi Noibai

Tue 5/5

01:55-19:30

2 stops23h 35m

£1,024

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Mon 11/5

09:10-13:55

2 stops22h 45m

Hanoi Noibai

Sun 24/5

01:55-19:30

2 stops23h 35m

£1,029

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Thu 14/5

09:10-13:55

2 stops22h 45m

Hanoi Noibai

Mon 25/5

01:55-19:30

2 stops23h 35m

£1,029

SouthamptonHo Chi Minh City

SOU - SGN

SOUSGN

Southampton Eastleigh

Sun 3/5

09:10-13:50

2 stops22h 40m

Ho Chi Minh City

Mon 25/5

09:55-19:30

2 stops39h 35m

£1,047

SouthamptonHo Chi Minh City

SOU - SGN

SOUSGN

Southampton Eastleigh

Sat 2/5

20:00-08:25

2 stops30h 25m

Ho Chi Minh City

Mon 25/5

09:55-19:30

2 stops39h 35m

£1,047

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Tue 28/4

09:10-13:55

2 stops22h 45m

Hanoi Noibai

Thu 7/5

01:55-19:30

2 stops23h 35m

£1,049

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Wed 29/4

20:00-13:55

2 stops35h 55m

Hanoi Noibai

Fri 8/5

01:55-19:30

2 stops23h 35m

£1,049

Flights are sorted by cheapest return flights first.

Deals found on 2/4

Showing 1-10 of 32 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from Portsmouth to Vietnam (average of £259). Flying from Portsmouth to Vietnam in August is currently the most expensive (average of £593). 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 2 April 2026.

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 can get you from Portsmouth to Vietnam in just under 35h. Your travel time can differ by up to . The distance between Portsmouth and Vietnam is about 6395 mi.

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

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

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

    Consider Scandinavian Airlines (100%), Vietnam Airlines (96%) or Cambodia Angkor Air (96%) 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 £1,106, our data indicates the cheapest price to be £414. The most popular route (Southampton Eastleigh - Hanoi Noibai), is priced around £803.

  • 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, January is the cheapest month in which you can book a flight from Portsmouth to Vietnam (average of £259). Flying from Portsmouth to Vietnam in August is currently the most expensive (average of £593). 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 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 2 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£347Average£451FlexibilityNo cancel feeOn-time67%
Search Air China flights
China EasternCheapest£364Average£482FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air IndiaCheapest£376Average£608FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Shenzhen AirlinesCheapest£382Average£495FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China SouthernCheapest£392Average£580FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Turkmenistan AirlinesCheapest£477Average£544FlexibilityNo cancel feeOn-time63%
Search Turkmenistan Airlines flights
Malaysia AirlinesCheapest£511Average£689FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Air FranceCheapest£524Average£881FlexibilityNo cancel feeOn-time77%
Search Air France flights
Etihad AirwaysCheapest£529Average£632FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
EmiratesCheapest£549Average£925FlexibilityNo cancel feeOn-time75%
Search Emirates 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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