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Cheap flights from Portsmouth to Vietnam from £473

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SGN
1 Jun — 8 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 2 May 2026.

Sun 14/620:00
SOU
-
HAN
2 stops28h 40m
Multiple Airlines
Sun 21/620:40
HAN
-
SOU
2 stops28h 50m
Multiple Airlines
Deal found 30/4£800
Mon 15/609:20
SOU
-
HAN
2 stops39h 20m
Multiple Airlines
Mon 22/620:40
HAN
-
SOU
2 stops26h 10m
Multiple Airlines
Deal found 1/5£802
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
Sun 14/614:45
SOU
-
SGN
2 stops19h 25m
Multiple Airlines
Sun 21/622:05
SGN
-
SOU
2 stops28h 40m
Multiple Airlines
Deal found 30/4£881
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£954
Thu 28/519:55
SOU
-
SGN
2 stops38h 15m
Multiple Airlines
Thu 4/622:05
SGN
-
SOU
2 stops27h 20m
Multiple Airlines
Deal found 30/4£962
Wed 3/609:20
SOU
-
HAN
2 stops22h 35m
Multiple Airlines
Tue 9/601:55
HAN
-
SOU
2 stops23h 30m
Multiple Airlines
Deal found 2/5£1,017
Mon 23/1108:55
SOU
-
SGN
2 stops21h 10m
Multiple Airlines
Tue 1/1219:40
SGN
-
SOU
2 stops26h 05m
Multiple Airlines
Deal found 29/4£1,066
Fri 12/618:25
SOU
-
DAD
3 stops45h 25m
Multiple Airlines
Fri 19/623:30
DAD
-
SOU
3 stops51h 15m
Multiple Airlines
Deal found 28/4£1,078
Tue 24/1109:20
SOU
-
SGN
2 stops20h 45m
Qatar Airways
Mon 30/1108:55
SGN
-
SOU
2 stops41h 35m
Qatar Airways
Deal found 29/4£1,098
Wed 25/1120:00
SOU
-
SGN
2 stops52h 15m
Qatar Airways
Tue 1/1208:55
SGN
-
SOU
2 stops41h 35m
Qatar Airways
Deal found 29/4£1,107
Sun 6/910:15
SOU
-
SGN
2 stops21h 35m
Multiple Airlines
Sun 27/920:00
SGN
-
SOU
2 stops24h 45m
Multiple Airlines
Deal found 29/4£1,117

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 May 2026.

Round-trip from

£800

One-way from

£473

Popular in

July

Cheapest in

November

Average price

£562
14/6-21/6
  • 14/6-21/6
  • 4 total stops
  • 57h 30m total
  • Portsmouth to Vietnam
Search Deals
15/9
  • 15/9
  • 3 total stops
  • 37h 55m total
  • Portsmouth to Vietnam
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£60 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 2 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

Mon 15/6

09:20-06:40

2 stops39h 20m

Hanoi Noibai

Mon 22/6

20:40-16:50

2 stops26h 10m

£802

SouthamptonHo Chi Minh City

SOU - SGN

SOUSGN

Southampton Eastleigh

Sun 14/6

14:45-16:10

2 stops19h 25m

Ho Chi Minh City

Sun 21/6

22:05-20:45

2 stops28h 40m

£881

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Thu 1/10

20:00-06:40

2 stops28h 40m

Hanoi Noibai

Sun 18/10

20:40-16:50

2 stops26h 10m

£954

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

Thu 28/5

19:55-16:10

2 stops38h 15m

Ho Chi Minh City

Thu 4/6

22:05-19:25

2 stops27h 20m

£962

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

£1,017

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Sun 14/6

09:15-15:40

2 stops24h 25m

Hanoi Noibai

Sun 21/6

22:55-19:30

3 stops26h 35m

£1,061

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Tue 16/6

08:55-15:40

3 stops24h 45m

Hanoi Noibai

Tue 23/6

22:55-12:55

2 stops20h 00m

£1,067

SouthamptonHo Chi Minh City

SOU - SGN

SOUSGN

Southampton Eastleigh

Thu 4/6

09:20-13:50

2 stops22h 30m

Ho Chi Minh City

Mon 8/6

20:00-19:30

2 stops29h 30m

£1,098

SouthamptonHo Chi Minh City

SOU - SGN

SOUSGN

Southampton Eastleigh

Sun 6/9

10:15-13:50

2 stops21h 35m

Ho Chi Minh City

Sun 27/9

20:00-14:45

2 stops24h 45m

£1,117

Flights are sorted by cheapest return flights first.

Deals found on 27/4

Showing 1-10 of 27 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
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 22h 30m. 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 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 £956, our data indicates the cheapest price to be £399. The most popular route (Southampton Eastleigh - Ho Chi Minh City), is priced around £985.

  • 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 2 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest£187Average£307FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Etihad AirwaysCheapest£336Average£605FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air ChinaCheapest£338Average£444FlexibilityNo cancel feeOn-time67%
Search Air China flights
China EasternCheapest£354Average£469FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air IndiaCheapest£366Average£592FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Shenzhen AirlinesCheapest£372Average£486FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China SouthernCheapest£385Average£563FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Turkmenistan AirlinesCheapest£464Average£530FlexibilityNo cancel feeOn-time63%
Search Turkmenistan Airlines flights
Malaysia AirlinesCheapest£497Average£677FlexibilityNo 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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