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Cheap flights from Southampton to Hanoi from £551

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — HAN
27 Aug — 3 Sep1
1 adult

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 22 August 2025.

Round-trip from

£951

One-way from

£551

Popular in

December

Cheapest in

November

Average price

£806
30/10-10/11
  • 30/10-10/11
  • 4 total stops
  • 44h 30m total
  • Southampton to Hanoi
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24/9
  • 24/9
  • 2 total stops
  • 23h 20m total
  • Southampton to Hanoi
Search Deals
High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
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Average for round-trip flights in August 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 22 August 2025.

Thu 30/1008:40SOU - HAN
2 stops20h 40mMultiple Airlines
Mon 10/1119:10HAN - SOU
2 stops23h 50mMultiple Airlines
Deal found 20/8£951
Tue 30/909:20SOU - HAN
2 stops22h 30mKLM
Sat 4/1016:05HAN - SOU
2 stops46h 40mKLM
Deal found 21/8£1,225
Sat 27/1209:30SOU - HAN
2 stops38h 25mMultiple Airlines
Thu 15/103:00HAN - SOU
2 stops20h 40mMultiple Airlines
Deal found 20/8£1,536
Sun 28/1220:10SOU - HAN
2 stops33h 10mQatar Airways
Thu 15/103:00HAN - SOU
2 stops23h 40mQatar Airways
Deal found 20/8£1,556
Sat 27/1209:30SOU - HAN
2 stops38h 25mQatar Airways
Sat 17/119:10HAN - SOU
2 stops27h 25mQatar Airways
Deal found 20/8£1,612
Sat 27/1209:30SOU - HAN
2 stops38h 25mQatar Airways
Fri 16/119:10HAN - SOU
2 stops55h 30mQatar Airways
Deal found 20/8£1,620
Sun 24/808:45SOU - HAN
2 stops23h 10mMultiple Airlines
Thu 28/803:00HAN - SOU
2 stops22h 25mMultiple Airlines
Deal found 22/8£2,790

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 22 August 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

08:40-12:20

2 stops20h 40m

Hanoi Noibai

Mon 10/11

19:10-12:00

2 stops23h 50m

£951

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Tue 30/9

09:20-13:50

2 stops22h 30m

Hanoi Noibai

Sat 4/10

16:05-08:45

2 stops46h 40m

£1,225

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Sat 27/12

09:30-06:55

2 stops38h 25m

Hanoi Noibai

Thu 15/1

03:00-16:40

2 stops20h 40m

£1,536

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Sun 28/12

20:10-12:20

2 stops33h 10m

Hanoi Noibai

Sat 17/1

19:10-15:35

2 stops27h 25m

£1,556

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Sun 28/12

20:10-12:20

2 stops33h 10m

Hanoi Noibai

Thu 15/1

03:00-19:40

2 stops23h 40m

£1,556

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Sat 27/12

09:30-06:55

2 stops38h 25m

Hanoi Noibai

Sat 17/1

19:10-15:35

2 stops27h 25m

£1,612

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Sat 27/12

09:30-06:55

2 stops38h 25m

Hanoi Noibai

Fri 16/1

19:10-19:40

2 stops55h 30m

£1,620

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Wed 24/9

08:40-14:00

2 stops23h 20m

£551

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Fri 2/1

20:10-12:20

2 stops33h 10m

£823

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Fri 26/12

20:10-06:55

2 stops27h 45m

£989

Flights are sorted by cheapest return flights first.

Deals found on 21/8

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 £1,137). 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 £1,225, KLM can have you in Hanoi from Southampton in 22h 30m. 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 £1,137). 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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Bristol to Hanoi flights
Heathrow to Con Dao flights
Luton to Da Nang flights
Heathrow 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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