Cheap flights from Portsmouth to Hanoi from £850
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 23/11. Fares are subject to change and may not be available on all flights or dates of travel.
Find flight deals from Portsmouth to Hanoi
Cheapest flights from Portsmouth to HanoiExplore 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 30 October 2025.
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 30 October 2025.
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 30 October 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Portsmouth to Hanoi that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SouthamptonHanoi
SOU - HAN
SOUHAN
Southampton Eastleigh
Tue 9/12
12:25-12:20
2 stops40h 55m
Hanoi Noibai
Tue 16/12
19:10-15:35
2 stops27h 25m
SouthamptonHanoi
SOU - HAN
SOUHAN
Southampton Eastleigh
Thu 20/11
09:30-12:20
2 stops43h 50m
Hanoi Noibai
Mon 1/12
19:10-11:55
2 stops23h 45m
SouthamptonHanoi
SOU - HAN
SOUHAN
Southampton Eastleigh
Sun 23/11
20:10-12:20
2 stops33h 10m
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.
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 £340). Flying from Portsmouth to Hanoi in August is currently the most expensive (average of £598). 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 30 October 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.
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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.
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 30 October 2025.
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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.