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Cheap flights from Portsmouth to Hanoi from £533

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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HAN
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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 16 September 2025.

Round-trip from

£728

One-way from

£533

Popular in

July

Cheapest in

November

Average price

£547
30/10-5/11
  • 30/10-5/11
  • 4 total stops
  • 46h 25m total
  • Portsmouth to Hanoi
Search Deals
3/1
  • 3/1
  • 3 total stops
  • 42h 25m total
  • Portsmouth to Hanoi
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£67 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Portsmouth to Hanoi

Cheapest flights from Portsmouth to Hanoi
Explore the most affordable flight options available from Portsmouth to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Thu 30/1009:30SOU - HAN
2 stops20h 10mMultiple Airlines
Wed 5/1100:25HAN - SOU
2 stops26h 15mMultiple Airlines
Deal found 15/9£728
Sat 15/1109:30SOU - HAN
2 stops38h 25mQatar Airways
Sun 30/1119:10HAN - SOU
2 stops27h 25mQatar Airways
Deal found 16/9£1,080
Tue 30/909:20SOU - HAN
2 stops26h 30mKLM
Sat 4/1008:50HAN - SOU
2 stops29h 55mKLM
Deal found 14/9£1,240
Tue 16/908:40SOU - HAN
2 stops23h 15mMultiple Airlines
Tue 23/919:30HAN - SOU
2 stops22h 35mMultiple Airlines
Deal found 15/9£1,404
Fri 26/1220:10SOU - HAN
2 stops27h 45mQatar Airways
Sat 10/108:55HAN - SOU
2 stops41h 45mQatar Airways
Deal found 16/9£1,738

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 16 September 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 30/10

09:30-12:20

2 stops19h 50m

Hanoi Noibai

Thu 6/11

19:10-19:40

2 stops31h 30m

£731

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Mon 2/3

09:30-19:45

2 stops27h 15m

Hanoi Noibai

Wed 11/3

19:10-15:35

2 stops27h 25m

£1,025

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Wed 11/3

12:25-06:55

2 stops35h 30m

Hanoi Noibai

Thu 19/3

19:10-15:35

2 stops27h 25m

£1,031

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Wed 25/2

12:25-06:55

2 stops35h 30m

Hanoi Noibai

Wed 4/3

19:10-15:35

2 stops27h 25m

£1,031

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Thu 5/3

20:10-12:20

2 stops33h 10m

Hanoi Noibai

Sun 15/3

19:10-19:40

2 stops31h 30m

£1,052

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Thu 12/3

20:10-19:45

2 stops40h 35m

Hanoi Noibai

Sun 22/3

19:10-15:35

2 stops27h 25m

£1,053

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Tue 10/3

12:25-12:20

2 stops40h 55m

Hanoi Noibai

Fri 20/3

19:10-15:35

2 stops51h 25m

£1,060

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Thu 12/3

20:10-19:45

2 stops40h 35m

Hanoi Noibai

Fri 20/3

19:10-15:35

2 stops51h 25m

£1,060

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Wed 11/3

12:25-06:55

2 stops35h 30m

Hanoi Noibai

Fri 20/3

19:10-15:35

2 stops51h 25m

£1,064

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Sat 3/1

07:20-08:45

3 stops42h 25m

£533

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 12 results
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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, May is the cheapest month in which you can book a flight from Portsmouth to Hanoi (average of £793). Flying from Portsmouth to Hanoi in December is currently the most expensive (average of £1,129). 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 16 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portsmouth to Hanoi as you normally would.

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.

  • How long is the flight from Portsmouth to Hanoi?

    Airlines like Qatar Airways fly from Portsmouth to Hanoi in about 27h 15m. The time it takes to get you to your destination can typically vary by up to . There are 5787 mi between Portsmouth and Hanoi.

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

    Consider Vietnam Airlines (64%), Scandinavian Airlines (64%) or Cambodia Angkor Air (64%) 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 £389. While the most popular route (Southampton Eastleigh - Hanoi Noibai) can be booked for £731 on average, our data indicates £1,450 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, May is the cheapest month in which you can book a flight from Portsmouth to Hanoi (average of £793). Flying from Portsmouth to Hanoi in December is currently the most expensive (average of £1,129). 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 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
EmiratesCheapest£321Average£758FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Air ChinaCheapest£362Average£463FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£375Average£454FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China EasternCheapest£410Average£570FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£412Average£562FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Etihad AirwaysCheapest£520Average£604FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Singapore AirlinesCheapest£560Average£699FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Cathay PacificCheapest£566Average£688FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Turkish AirlinesCheapest£573Average£715FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Vietnam AirlinesCheapest£587Average£749FlexibilityNo cancel feeOn-time81%
Search Vietnam 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 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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