Find flights
When to book
FAQs

Cheap flights from Portsmouth to Vietnam from £683

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SGN
27 Jul — 3 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 27 June 2026.

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£966
Wed 11/1108:55
SOU
-
HAN
2 stops20h 25m
Multiple Airlines
Sun 22/1119:10
HAN
-
SOU
2 stops31h 20m
Multiple Airlines
Deal found 24/6£1,106
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£1,114
Thu 17/920:00
SOU
-
SGN
2 stops35h 50m
Qatar Airways
Mon 21/920:00
SGN
-
SOU
2 stops29h 30m
Qatar Airways
Deal found 24/6£1,125
Fri 18/908:55
SOU
-
SGN
2 stops22h 55m
Multiple Airlines
Sat 26/920:00
SGN
-
SOU
2 stops24h 30m
Multiple Airlines
Deal found 24/6£1,141
Thu 3/909:20
SOU
-
HAN
2 stops22h 35m
Multiple Airlines
Sat 12/919:30
HAN
-
SOU
2 stops20h 15m
Multiple Airlines
Deal found 24/6£1,147
Wed 30/909:20
SOU
-
SGN
2 stops22h 30m
Qatar Airways
Sun 4/1020:00
SGN
-
SOU
2 stops29h 30m
Qatar Airways
Deal found 22/6£1,156
Thu 12/1120:00
SOU
-
HAN
2 stops27h 55m
Qatar Airways
Thu 19/1119:10
HAN
-
SOU
2 stops31h 20m
Qatar Airways
Deal found 24/6£1,187
Wed 11/1120:00
SOU
-
HAN
2 stops51h 55m
Qatar Airways
Thu 3/1219:10
HAN
-
SOU
2 stops31h 20m
Qatar Airways
Deal found 24/6£1,195
Wed 2/1220:00
SOU
-
HAN
2 stops33h 20m
Qatar Airways
Sun 6/1219:10
HAN
-
SOU
2 stops31h 20m
Qatar Airways
Deal found 24/6£1,209
Fri 13/1120:00
SOU
-
HAN
2 stops33h 20m
Qatar Airways
Wed 2/1219:10
HAN
-
SOU
2 stops31h 20m
Qatar Airways
Deal found 24/6£1,213
Sat 7/1109:20
SOU
-
HAN
2 stops38h 35m
Qatar Airways
Tue 24/1119:10
HAN
-
SOU
2 stops31h 20m
Qatar Airways
Deal found 24/6£1,214

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 27 June 2026.

Round-trip from

£966

One-way from

£683

Popular in

December

Cheapest in

November

Average price

£610
10/8-17/8
  • 10/8-17/8
  • 4 total stops
  • 76h 40m total
  • Portsmouth to Vietnam
Search Deals
9/11
  • 9/11
  • 2 total stops
  • 20h 45m 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 27 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

Mon 10/8

19:55-13:55

2 stops36h 00m

Hanoi Noibai

Mon 17/8

08:45-19:25

2 stops40h 40m

£966
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

£1,114

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

£1,125

SouthamptonHo Chi Minh City

SOU - SGN

SOUSGN

Southampton Eastleigh

Wed 30/9

09:20-13:50

2 stops22h 30m

Ho Chi Minh City

Sun 4/10

20:00-19:30

2 stops29h 30m

£1,156

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Thu 12/11

20:00-06:55

2 stops27h 55m

Hanoi Noibai

Wed 9/12

19:10-19:30

2 stops31h 20m

£1,187

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

£1,209

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Mon 28/9

09:20-13:55

2 stops22h 35m

Hanoi Noibai

Fri 2/10

19:30-19:30

2 stops30h 00m

£1,216

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Wed 11/11

20:00-06:55

2 stops51h 55m

Hanoi Noibai

Sat 21/11

08:55-19:30

2 stops41h 35m

£1,223

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Sat 14/11

09:20-12:20

2 stops20h 00m

Hanoi Noibai

Sat 5/12

19:10-19:30

2 stops31h 20m

£1,238

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Fri 13/11

20:00-12:20

2 stops33h 20m

Hanoi Noibai

Fri 20/11

19:10-19:30

2 stops55h 20m

£1,247

Flights are sorted by cheapest return flights first.

Deals found on 25/6

Showing 1-10 of 27 resultsSorted by cheapest first
1
2
3

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 - Hanoi Noibai, Southampton Eastleigh - Ho Chi Minh City 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 £1,019, our data indicates the cheapest price to be £445. The most popular route (Southampton Eastleigh - Hanoi Noibai), is priced around £966.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portsmouth to Vietnam

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Suvarnabhumi flights
Gatwick to Suvarnabhumi flights
Stansted to Suvarnabhumi flights
London City to Suvarnabhumi flights
Heathrow to Haneda flights
Heathrow to Kuala Lumpur Intl flights
Heathrow to New Delhi flights
Heathrow to Colombo flights
Heathrow to Don Mueang Intl flights
Heathrow to Narita flights
Gatwick to Don Mueang Intl flights
Heathrow to Hong Kong flights
Heathrow to Mumbai flights
Manchester to Suvarnabhumi flights
Gatwick to Haneda flights
Luton to Suvarnabhumi flights
Gatwick to Narita flights
Stansted to Narita flights
Heathrow to Manila flights
Stansted to Haneda flights
Heathrow to Islamabad flights
Gatwick to Kuala Lumpur Intl flights
Heathrow to Singapore flights
London City to Narita flights
Manchester to Islamabad flights
Heathrow to Bangalore flights
Heathrow to Incheon Intl flights
Gatwick to Manila flights
Gatwick to Singapore flights
Heathrow to Hongqiao Intl flights
Heathrow to Denpasar flights
Stansted to Manila flights
Gatwick to Colombo flights
Gatwick to New Delhi flights
London City to Haneda flights
Stansted to New Delhi flights
Gatwick to Denpasar flights
Stansted to Colombo flights
Manchester to Don Mueang Intl flights
Stansted to Kuala Lumpur Intl flights
Heathrow to Hyderabad flights
Stansted to Islamabad flights
Stansted to Denpasar flights
London City to Denpasar flights
London City to Kuala Lumpur Intl flights
Heathrow to Chennai flights
Gatwick to Mumbai flights
Heathrow to Lahore flights
Stansted to Mumbai flights
Gatwick to Hong Kong flights

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 27 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest£193Average£317FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Etihad AirwaysCheapest£347Average£703FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
China EasternCheapest£365Average£486FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£369Average£474FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air IndiaCheapest£376Average£644FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Shenzhen AirlinesCheapest£383Average£509FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China SouthernCheapest£410Average£614FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Turkmenistan AirlinesCheapest£478Average£546FlexibilityNo cancel feeOn-time63%
Search Turkmenistan Airlines flights
Air FranceCheapest£514Average£557FlexibilityNo cancel feeOn-time77%
Search Air France flights
Malaysia AirlinesCheapest£525Average£777FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.