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Cheap flights from Southampton to Hanoi from £532

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.
SOU — HAN
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Southampton to Hanoi

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Hanoi (HAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 September 2025.

Round-trip from

£725

One-way from

£532

Popular in

July

Cheapest in

November

Average price

£546
30/10-5/11
  • 30/10-5/11
  • 4 total stops
  • 46h 25m total
  • Southampton to Hanoi
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3/1
  • 3/1
  • 3 total stops
  • 42h 25m total
  • Southampton 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
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Find flight deals from Southampton to Hanoi

Cheapest flights from Southampton to Hanoi
Explore the most affordable flight options available from Southampton to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Thu 30/1009:30SOU - HAN
2 stops20h 10mMultiple Airlines
Wed 5/1100:25HAN - SOU
2 stops26h 15mMultiple Airlines
Deal found 15/9£725
Sat 15/1109:30SOU - HAN
2 stops38h 25mQatar Airways
Sun 30/1119:10HAN - SOU
2 stops27h 25mQatar Airways
Deal found 16/9£1,076
Tue 30/909:20SOU - HAN
2 stops26h 30mKLM
Sat 4/1008:50HAN - SOU
2 stops29h 55mKLM
Deal found 14/9£1,235
Tue 16/908:40SOU - HAN
2 stops23h 15mMultiple Airlines
Tue 23/919:30HAN - SOU
2 stops22h 35mMultiple Airlines
Deal found 15/9£1,399
Fri 26/1220:10SOU - HAN
2 stops27h 45mQatar Airways
Sat 10/108:55HAN - SOU
2 stops41h 45mQatar Airways
Deal found 16/9£1,732

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton 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 17 September 2025.
Use the filters below to find and compare flights from Southampton to Hanoi that are best for you.

Fly from

Southampton

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

£728

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

£1,021

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Tue 10/3

12:25-12:20

2 stops40h 55m

Hanoi Noibai

Wed 18/3

19:10-15:35

2 stops27h 25m

£1,027

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

£1,027

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Tue 24/2

12:25-19:45

2 stops48h 20m

Hanoi Noibai

Thu 5/3

19:10-15:35

2 stops27h 25m

£1,029

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

£1,048

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

£1,049

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

£1,057

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

£1,057

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Sat 3/1

07:20-08:45

3 stops42h 25m

£532

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 Southampton to Hanoi

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

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

Currently, May is the cheapest month in which you can book a flight from Southampton to Hanoi (average of £793). Flying from Southampton 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.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Hanoi. 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 Southampton to Hanoi?

    For as low as £1,021, Qatar Airways can have you in Hanoi from Southampton in 27h 15m. Airlines will cover a distance of 5787 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Southampton 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 Southampton to Hanoi?

    Currently, May is the cheapest month in which you can book a flight from Southampton to Hanoi (average of £793). Flying from Southampton 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Southampton to Hanoi

See prices for flight routes from nearby airports that may be better suited for you.
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Gatwick to Dalat flights
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Manchester to Hue flights
Darlington to Ho Chi Minh City 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 Southampton to Hanoi?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Southampton to Hanoi. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Southampton to Hanoi for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from Southampton 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 Southampton to Hanoi become cheaper?

Not ready to book yet? You can track prices for flights from Southampton to Hanoi on Cheapflights with our Price Alert feature and get notified when better prices are available.

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