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Cheap flights from Portsmouth to Vietnam from £528

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SGN
30 Jul — 6 Aug1
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 30 June 2026.

Wed 12/820:00
SOU
-
HAN
2 stops52h 40m
Multiple Airlines
Wed 19/820:40
HAN
-
SOU
2 stops26h 10m
Multiple Airlines
Deal found 28/6£939
Mon 10/819:55
SOU
-
HAN
2 stops36h 00m
Multiple Airlines
Mon 17/808:45
HAN
-
SOU
2 stops40h 40m
Multiple Airlines
Deal found 26/6£964
Thu 13/817:20
SOU
-
SGN
3 stops22h 05m
Multiple Airlines
Thu 20/808:35
SGN
-
SOU
3 stops40h 55m
Multiple Airlines
Deal found 29/6£1,064
Sun 13/910:15
SOU
-
SGN
2 stops21h 35m
Multiple Airlines
Wed 30/920:00
SGN
-
SOU
2 stops25h 35m
Multiple Airlines
Deal found 27/6£1,112
Thu 17/920:00
SOU
-
SGN
2 stops35h 50m
Qatar Airways
Mon 21/920:00
SGN
-
SOU
2 stops29h 30m
Qatar Airways
Deal found 25/6£1,124
Wed 29/709:20
SOU
-
SGN
2 stops22h 30m
Multiple Airlines
Wed 12/820:00
SGN
-
SOU
2 stops53h 30m
Multiple Airlines
Deal found 29/6£1,196
Wed 2/1220:00
SOU
-
HAN
2 stops33h 20m
Qatar Airways
Sun 6/1219:10
HAN
-
SOU
2 stops31h 20m
Qatar Airways
Deal found 25/6£1,207
Mon 20/720:00
SOU
-
SGN
2 stops35h 50m
Qatar Airways
Mon 31/820:00
SGN
-
SOU
2 stops29h 30m
Qatar Airways
Deal found 29/6£1,223
Wed 12/809:20
SOU
-
DAD
3 stops26h 10m
Multiple Airlines
Wed 19/823:30
DAD
-
SOU
3 stops24h 05m
Multiple Airlines
Deal found 28/6£1,255
Sat 1/820:00
SOU
-
SGN
2 stops35h 50m
Qatar Airways
Mon 10/820:00
SGN
-
SOU
2 stops53h 30m
Qatar Airways
Deal found 29/6£1,407
Sat 1/820:00
SOU
-
SGN
2 stops35h 50m
Qatar Airways
Wed 12/820:00
SGN
-
SOU
2 stops53h 30m
Qatar Airways
Deal found 29/6£1,448
Fri 31/720:00
SOU
-
SGN
2 stops35h 50m
Qatar Airways
Mon 10/820:00
SGN
-
SOU
2 stops53h 30m
Qatar Airways
Deal found 29/6£1,451

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 30 June 2026.

Round-trip from

£939

One-way from

£528

Popular in

December

Cheapest in

September

Average price

£608
12/8-19/8
  • 12/8-19/8
  • 4 total stops
  • 78h 50m total
  • Portsmouth to Vietnam
Search Deals
21/9
  • 21/9
  • 2 total stops
  • 23h 00m total
  • Portsmouth to Vietnam
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 30 June 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

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Wed 12/8

20:00-06:40

2 stops52h 40m

Hanoi Noibai

Wed 19/8

20:40-16:50

2 stops26h 10m

£939

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Mon 10/8

19:55-13:55

2 stops36h 00m

Hanoi Noibai

Mon 17/8

08:45-19:25

2 stops40h 40m

£964
Fastest return journey

SouthamptonHo Chi Minh City

SOU - SGN

SOUSGN

Southampton Eastleigh

Sun 13/9

10:15-13:50

2 stops21h 35m

Ho Chi Minh City

Wed 30/9

20:00-15:35

2 stops25h 35m

£1,112

SouthamptonHo Chi Minh City

SOU - SGN

SOUSGN

Southampton Eastleigh

Thu 17/9

20:00-13:50

2 stops35h 50m

Ho Chi Minh City

Mon 21/9

20:00-19:30

2 stops29h 30m

£1,124

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Wed 2/12

20:00-12:20

2 stops33h 20m

Hanoi Noibai

Sun 6/12

19:10-19:30

2 stops31h 20m

£1,207

SouthamptonHo Chi Minh City

SOU - SGN

SOUSGN

Southampton Eastleigh

Mon 20/7

20:00-13:50

2 stops35h 50m

Ho Chi Minh City

Mon 31/8

20:00-19:30

2 stops29h 30m

£1,223

SouthamptonDa Nang

SOU - DAD

SOUDAD

Southampton Eastleigh

Wed 12/8

09:20-17:30

3 stops26h 10m

Da Nang

Wed 19/8

23:30-17:35

3 stops24h 05m

£1,255

SouthamptonHo Chi Minh City

SOU - SGN

SOUSGN

Southampton Eastleigh

Mon 27/7

09:20-13:50

2 stops22h 30m

Ho Chi Minh City

Mon 10/8

20:00-19:30

2 stops29h 30m

£1,500

SouthamptonHo Chi Minh City

SOU - SGN

SOUSGN

Southampton Eastleigh

Tue 28/7

09:15-13:50

2 stops22h 35m

Ho Chi Minh City

Wed 12/8

20:00-19:30

2 stops53h 30m

£1,512

SouthamptonHo Chi Minh City

SOU - SGN

SOUSGN

Southampton Eastleigh

Mon 20/7

09:20-13:50

2 stops22h 30m

Ho Chi Minh City

Mon 31/8

20:00-14:45

2 stops24h 45m

£1,577

Flights are sorted by cheapest return flights first.

Deals found on 25/6

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
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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
No data available for this route at this time. Please check back soon.

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 50m. 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 - Ho Chi Minh City, Southampton Eastleigh - Hanoi Noibai or Southampton Eastleigh - Da Nang as they are the most popular.

  • What are the cheapest flights from Portsmouth to Vietnam?

    Looking for the cheapest flight from Portsmouth to Vietnam? While on average our users pay £1,735, our data indicates the cheapest price to be £444. The most popular route (Southampton Eastleigh - Ho Chi Minh City), is priced around £1,064.

  • 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.

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 30 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest£192Average£316FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Etihad AirwaysCheapest£346Average£701FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
China EasternCheapest£364Average£485FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£368Average£473FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air IndiaCheapest£375Average£643FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Shenzhen AirlinesCheapest£382Average£508FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China SouthernCheapest£409Average£612FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Turkmenistan AirlinesCheapest£477Average£544FlexibilityNo cancel feeOn-time63%
Search Turkmenistan Airlines flights
Air FranceCheapest£513Average£556FlexibilityNo cancel feeOn-time77%
Search Air France flights
Malaysia AirlinesCheapest£524Average£775FlexibilityNo 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 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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