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Cheap flights from Southampton to Hanoi from £633

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — HAN
7 Sep — 14 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Hanoi

Enter your travel dates to find the best prices.

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 8 August 2026.

Mon 7/909:20 -
2 stops39h 20m
Mon 14/920:40 -
2 stops28h 50m
Deal found 5/8£772
Fri 4/908:55 -
2 stops23h 00m
Wed 16/919:30 -
2 stops29h 55m
Deal found 3/8£856
Wed 2/1208:55 -
2 stops20h 25m
Wed 24/208:55 -
2 stops41h 30m
Deal found 4/8£888
Sun 13/910:15 -
2 stops21h 40m
Fri 25/919:30 -
2 stops20h 15m
Deal found 4/8£911
Wed 2/908:55 -
2 stops23h 00m
Wed 30/919:30 -
2 stops26h 05m
Deal found 4/8£992
Sat 5/910:15 -
2 stops21h 40m
Sat 19/919:30 -
2 stops20h 15m
Deal found 4/8£1,015

Find 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 8 August 2026.

Round-trip from

£772

One-way from

£633

Popular in

July

Cheapest in

September

Average price

£718
7/9-14/9
  • 7/9-14/9
  • 4 total stops
  • 68h 10m total
  • Southampton to Hanoi
Search Deals
Qatar Airways
  • Qatar Airways
  • 1/9
  • 2 total stops
  • 40h 00m total
  • Southampton to Hanoi
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£87 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 8 August 2026.
Use the filters below to find and compare flights from Southampton to Hanoi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonHanoi

SOU Southampton Eastleigh - HAN Hanoi Noibai

SOUHAN

Southampton Eastleigh

Mon 7/9

09:20-06:40

2 stops39h 20m

Hanoi Noibai

Mon 14/9

20:40-19:30

2 stops28h 50m

£772

SouthamptonHanoi

SOU Southampton Eastleigh - HAN Hanoi Noibai

SOUHAN

Southampton Eastleigh

Fri 4/9

08:55-13:55

2 stops23h 00m

Hanoi Noibai

Wed 16/9

19:30-19:25

2 stops29h 55m

£856

SouthamptonHanoi

SOU Southampton Eastleigh - HAN Hanoi Noibai

SOUHAN

Southampton Eastleigh

Wed 2/12

08:55-12:20

2 stops20h 25m

Hanoi Noibai

Wed 24/2

08:55-19:25

2 stops41h 30m

£888
Fastest return journey

SouthamptonHanoi

SOU Southampton Eastleigh - HAN Hanoi Noibai

SOUHAN

Southampton Eastleigh

Sun 13/9

10:15-13:55

2 stops21h 40m

Hanoi Noibai

Fri 25/9

19:30-09:45

2 stops20h 15m

£911

SouthamptonHanoi

SOU Southampton Eastleigh - HAN Hanoi Noibai

SOUHAN

Southampton Eastleigh

Sat 5/9

10:15-13:55

2 stops21h 40m

Hanoi Noibai

Sat 19/9

19:30-09:45

2 stops20h 15m

£1,015
Cheapest one-way

SouthamptonHanoi

SOU Southampton Eastleigh - HAN Hanoi Noibai

SOUHAN

Southampton Eastleigh

Thu 3/9

09:20-13:55

2 stops46h 35m

£633

SouthamptonHanoi

SOU Southampton Eastleigh - HAN Hanoi Noibai

SOUHAN

Southampton Eastleigh

Tue 1/9

09:15-07:15

2 stops40h 00m

£633

SouthamptonHanoi

SOU Southampton Eastleigh - HAN Hanoi Noibai

SOUHAN

Southampton Eastleigh

Thu 1/10

09:20-13:55

2 stops22h 35m

£661

SouthamptonHanoi

SOU Southampton Eastleigh - HAN Hanoi Noibai

SOUHAN

Southampton Eastleigh

Sun 4/10

09:20-13:55

2 stops22h 35m

£687

SouthamptonHanoi

SOU Southampton Eastleigh - HAN Hanoi Noibai

SOUHAN

Southampton Eastleigh

Wed 2/9

09:20-07:15

2 stops39h 55m

£694

Flights are sorted by cheapest return flights first.

Deals found on 4/8

Showing 1-10 of 12 resultsSorted by cheapest first
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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.

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.

  • 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.

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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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