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Cheap flights from Portsmouth to Vietnam from £738

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SGN
6 Jun — 13 Jun1
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 7 May 2026.

Fri 12/620:00
SOU
-
HAN
2 stops40h 45m
Multiple Airlines
Mon 15/608:25
HAN
-
SOU
2 stops30h 15m
Multiple Airlines
Deal found 3/5£738
Tue 16/620:00
SOU
-
HAN
2 stops52h 40m
Multiple Airlines
Tue 23/620:40
HAN
-
SOU
2 stops28h 50m
Multiple Airlines
Deal found 2/5£827
Thu 18/615:15
SOU
-
HAN
2 stops34h 00m
Multiple Airlines
Thu 25/619:30
HAN
-
SOU
2 stops29h 55m
Multiple Airlines
Deal found 4/5£835
Wed 3/609:20
SOU
-
HAN
2 stops22h 35m
Multiple Airlines
Tue 9/601:55
HAN
-
SOU
2 stops23h 30m
Multiple Airlines
Deal found 6/5£947
Thu 1/1020:00
SOU
-
HAN
2 stops28h 40m
Multiple Airlines
Sun 18/1020:40
HAN
-
SOU
2 stops26h 10m
Multiple Airlines
Deal found 2/5£955
Tue 16/608:55
SOU
-
SGN
2 stops25h 15m
Multiple Airlines
Tue 23/622:05
SGN
-
SOU
2 stops22h 40m
Multiple Airlines
Deal found 2/5£962
Wed 17/606:45
SOU
-
SGN
2 stops27h 25m
Multiple Airlines
Wed 24/622:05
SGN
-
SOU
2 stops28h 40m
Multiple Airlines
Deal found 3/5£965
Thu 18/608:55
SOU
-
SGN
2 stops25h 15m
Multiple Airlines
Thu 25/622:05
SGN
-
SOU
2 stops27h 20m
Multiple Airlines
Deal found 4/5£966
Sat 20/606:45
SOU
-
SGN
2 stops27h 25m
Multiple Airlines
Sat 27/622:05
SGN
-
SOU
2 stops28h 40m
Multiple Airlines
Deal found 6/5£986
Fri 26/620:00
SOU
-
HAN
2 stops35h 55m
Multiple Airlines
Wed 8/719:30
HAN
-
SOU
2 stops25h 15m
Multiple Airlines
Deal found 3/5£1,043
Fri 10/720:00
SOU
-
HAN
2 stops29h 15m
Multiple Airlines
Fri 24/719:30
HAN
-
SOU
2 stops20h 15m
Multiple Airlines
Deal found 4/5£1,056
Thu 9/720:00
SOU
-
HAN
2 stops53h 15m
Multiple Airlines
Fri 24/719:30
HAN
-
SOU
2 stops20h 15m
Multiple Airlines
Deal found 4/5£1,057

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 7 May 2026.

Round-trip from

£738

Popular in

July

Cheapest in

November

Average price

£571
12/6-15/6
  • 12/6-15/6
  • 4 total stops
  • 71h 00m total
  • Portsmouth to Vietnam
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£61 potential increase over avg. return price).
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 May 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 7 May 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

Fri 12/6

20:00-18:45

2 stops40h 45m

Hanoi Noibai

Mon 15/6

08:25-08:40

2 stops30h 15m

£738

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Wed 3/6

09:20-13:55

2 stops22h 35m

Hanoi Noibai

Tue 9/6

01:55-19:25

2 stops23h 30m

£947

SouthamptonHo Chi Minh City

SOU - SGN

SOUSGN

Southampton Eastleigh

Tue 16/6

08:55-16:10

2 stops25h 15m

Ho Chi Minh City

Tue 23/6

22:05-14:45

2 stops22h 40m

£962

SouthamptonHo Chi Minh City

SOU - SGN

SOUSGN

Southampton Eastleigh

Wed 17/6

06:45-16:10

2 stops27h 25m

Ho Chi Minh City

Wed 24/6

22:05-20:45

2 stops28h 40m

£965

SouthamptonHo Chi Minh City

SOU - SGN

SOUSGN

Southampton Eastleigh

Sat 20/6

06:45-16:10

2 stops27h 25m

Ho Chi Minh City

Sat 27/6

22:05-20:45

2 stops28h 40m

£986

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Thu 18/6

20:00-07:15

2 stops29h 15m

Hanoi Noibai

Mon 22/6

19:30-19:30

2 stops30h 00m

£1,073

SouthamptonHo Chi Minh City

SOU - SGN

SOUSGN

Southampton Eastleigh

Thu 18/6

09:05-16:10

2 stops25h 05m

Ho Chi Minh City

Thu 25/6

22:05-19:30

3 stops27h 25m

£1,086

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Fri 10/7

20:00-07:15

2 stops29h 15m

Hanoi Noibai

Sun 26/7

19:30-19:30

2 stops30h 00m

£1,096

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Thu 9/7

20:00-07:15

2 stops53h 15m

Hanoi Noibai

Thu 23/7

19:30-19:30

2 stops30h 00m

£1,197

SouthamptonHo Chi Minh City

SOU - SGN

SOUSGN

Southampton Eastleigh

Sun 31/5

09:20-13:50

2 stops22h 30m

Ho Chi Minh City

Tue 2/6

20:00-19:30

2 stops29h 30m

£1,203

Flights are sorted by cheapest return flights first.

Deals found on 5/5

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 43h 10m. Your travel time can differ by up to . The distance between Portsmouth and Vietnam is about 6167 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 (93%), Cambodia Angkor Air (92%) or Vietnam Airlines (91%) 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 £943, our data indicates the cheapest price to be £399. The most popular route (Southampton Eastleigh - Hanoi Noibai), is priced around £1,056.

  • 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 7 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest£187Average£308FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Etihad AirwaysCheapest£337Average£644FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air ChinaCheapest£338Average£448FlexibilityNo cancel feeOn-time67%
Search Air China flights
China EasternCheapest£354Average£469FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air IndiaCheapest£366Average£595FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Shenzhen AirlinesCheapest£372Average£487FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China SouthernCheapest£381Average£547FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Turkmenistan AirlinesCheapest£464Average£530FlexibilityNo cancel feeOn-time63%
Search Turkmenistan Airlines flights
Malaysia AirlinesCheapest£497Average£683FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Air FranceCheapest£510Average£553FlexibilityNo 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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