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Cheap flights from Portsmouth to Hanoi from £821

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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HAN
13 Dec — 20 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Portsmouth to Hanoi

Enter your travel dates to find the best prices.

One-way flights from Portsmouth to Hanoi
Search for one-way flight options from Portsmouth to Hanoi. Find affordable one-way fares based on user searches. Data last updated 13 November 2025.

Mon 8/1209:30SOU - HAN
2 stops19h 50mQatar Airways
Deal found 12/11£821
Tue 10/312:25SOU - HAN
2 stops40h 55mQatar Airways
Deal found 11/11£825
Sun 7/1209:30SOU - HAN
2 stops19h 50mQatar Airways
Deal found 12/11£847
Fri 13/220:10SOU - HAN
2 stops27h 45mQatar Airways
Deal found 11/11£848
Sat 14/209:30SOU - HAN
2 stops38h 25mQatar Airways
Deal found 11/11£849
Mon 9/220:10SOU - HAN
2 stops27h 45mQatar Airways
Deal found 11/11£859
Sat 6/1209:30SOU - HAN
2 stops19h 50mQatar Airways
Deal found 12/11£885
Sun 8/220:10SOU - HAN
2 stops51h 45mQatar Airways
Deal found 11/11£893
Tue 10/212:25SOU - HAN
2 stops35h 30mQatar Airways
Deal found 11/11£1,027
Wed 11/212:25SOU - HAN
2 stops35h 30mQatar Airways
Deal found 11/11£1,081

Cheap flight deals from Portsmouth to Hanoi

Keep the following information in mind while searching for Portsmouth to Hanoi flight deals. Data was last updated 13 November 2025.

Popular in

August

Cheapest in

November

Average price

£468
Highest demand for flights based on searches. 10% 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 November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Hanoi 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 13 November 2025.
Use the filters below to find and compare flights from Portsmouth to Hanoi that are best for you.

Fly from

Portsmouth

Fly to

Hanoi

Route

Depart

Return

Price

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Thu 12/2

20:10-06:55

2 stops27h 45m

£821

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Mon 8/12

09:30-12:20

2 stops19h 50m

£821

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Tue 10/3

12:25-12:20

2 stops40h 55m

£825

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Sun 7/12

09:30-12:20

2 stops19h 50m

£847

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Fri 13/2

20:10-06:55

2 stops27h 45m

£848

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Sat 14/2

09:30-06:55

2 stops38h 25m

£849

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Mon 9/2

20:10-06:55

2 stops27h 45m

£859

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Sat 6/12

09:30-12:20

2 stops19h 50m

£885

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Sun 8/2

20:10-06:55

2 stops51h 45m

£893

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Tue 10/2

12:25-06:55

2 stops35h 30m

£1,027

Flights are sorted by cheapest return flights first.

Deals found on 11/11

Showing 1-10 of 11 results
1
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Best time to book a flight from Portsmouth to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi 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 Hanoi

What is the cheapest month to book a flight from Portsmouth to Hanoi?

Currently, September is the cheapest month in which you can book a flight from Portsmouth to Hanoi (average of £339). Flying from Portsmouth to Hanoi in August is currently the most expensive (average of £624). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from P0R to HAN?

Find hourly flight availability from Portsmouth to Hanoi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 November 2025.

One of the essential ways to save on airfare from Portsmouth to Hanoi is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the evening could potentially save you up to 21% on airfare.

What is the cheapest day to fly from Portsmouth to Hanoi?

Use this chart to determine the cheapest time to fly return from Portsmouth to Hanoi. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Portsmouth to Hanoi flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Hanoi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Hanoi from Portsmouth?

    For a flight from Portsmouth to Hanoi, you will be flying into Noibai. Hanoi Noibai (HAN) is just 14.2 mi from the center of the city. Noibai is the only Hanoi airport and it handles 0 inbound flights from Portsmouth per day. 16 airlines have flights to Hanoi Noibai from Portsmouth on a regular basis.

  • What are the most reliable airlines from Portsmouth to Hanoi?

    Consider Vietnam Airlines (63%), Cambodia Angkor Air (63%) or Scandinavian Airlines (60%) when booking your flight. These represent the most reliable airlines when flying from Portsmouth to Hanoi.

  • What are the cheapest flights from Portsmouth to Hanoi?

    Looking at all options, your cheapest flight can be booked for £484. While the most popular route (Southampton Eastleigh - Hanoi Noibai) can be booked for £1,236 on average, our data indicates £1,641 when flying from Portsmouth to Hanoi.

  • Can I find deals for flights from Portsmouth to Hanoi that include hotel bookings?

    Yes. In addition to deals on Portsmouth to Hanoi flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portsmouth to Hanoi?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Hanoi.

  • Can I find deals for business class flights from Portsmouth to Hanoi?

    Yes. Cheapflights offers flight deals from Portsmouth to Hanoi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portsmouth to Hanoi?

    Currently, September is the cheapest month in which you can book a flight from Portsmouth to Hanoi (average of £339). Flying from Portsmouth to Hanoi in August is currently the most expensive (average of £624). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Portsmouth to Hanoi

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 Hanoi

Discover the top 10 airlines that operate flights from Portsmouth to Hanoi. 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 13 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£374Average£473FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£387Average£485FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China SouthernCheapest£420Average£586FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£423Average£574FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Etihad AirwaysCheapest£527Average£627FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Vietnam AirlinesCheapest£580Average£763FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Singapore AirlinesCheapest£582Average£789FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Cathay PacificCheapest£583Average£714FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Turkish AirlinesCheapest£593Average£784FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Qatar AirwaysCheapest£616Average£761FlexibilityNo cancel feeOn-time68%
Search Qatar Airways 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 Hanoi?

When you search for this flight from Portsmouth to Hanoi, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Hanoi?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Hanoi from Portsmouth.

Can Cheapflights find flights from Portsmouth to Hanoi with no change fees?

Yes, we can. To see specific flights from Portsmouth to Hanoi with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Portsmouth to Hanoi become cheaper?

Yes, Cheapflights offers price alerts on Portsmouth to Hanoi 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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