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Cheap flights from Portsmouth to Vietnam

LHR — SGN
23 Oct — 30 Oct1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Portsmouth to Vietnam

Popular in

December

Cheapest in

September

Average price

£516
Highest demand for flights based on searches. 1% potential increase in price (£7 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Related info for your journey

  • 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 £1,667, our data indicates the cheapest price to be £410. The most popular route (Southampton Eastleigh - Hanoi Noibai), is priced around £611.

  • 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.

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Alternative routes for Portsmouth to Vietnam

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Top 10 airlines flying from Portsmouth to Vietnam

AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest£126Average£614FlexibilityNo cancel feeOn-timeN/A
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Hainan AirlinesCheapest£191Average£393FlexibilityNo cancel feeOn-time61%
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Etihad AirwaysCheapest£343Average£702FlexibilityNo cancel feeOn-time75%
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Air ChinaCheapest£355Average£469FlexibilityNo cancel feeOn-time67%
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China EasternCheapest£361Average£482FlexibilityNo cancel feeOn-time62%
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Shenzhen AirlinesCheapest£369Average£509FlexibilityNo cancel feeOn-time63%
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China SouthernCheapest£398Average£610FlexibilityNo cancel feeOn-time69%
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Turkmenistan AirlinesCheapest£472Average£540FlexibilityNo cancel feeOn-time63%
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Malaysia AirlinesCheapest£527Average£736FlexibilityNo cancel feeOn-time67%
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Qatar AirwaysCheapest£552Average£699FlexibilityNo cancel feeOn-time68%
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Fly with Cheapflights

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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