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Cheap flights from Southampton to Hanoi from £524

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — HAN
7 Jun — 14 Jun1
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 May 2026.

Thu 18/615:15
SOU
-
HAN
2 stops34h 00m
Multiple Airlines
Thu 25/619:30
HAN
-
SOU
2 stops29h 55m
Multiple Airlines
Deal found 4/5£834
Sat 6/610:15
SOU
-
HAN
2 stops39h 00m
Multiple Airlines
Thu 11/601:55
HAN
-
SOU
2 stops37h 50m
Multiple Airlines
Deal found 7/5£855
Wed 3/609:20
SOU
-
HAN
2 stops22h 35m
Multiple Airlines
Tue 9/601:55
HAN
-
SOU
2 stops23h 30m
Multiple Airlines
Deal found 6/5£947
Fri 10/720:00
SOU
-
HAN
2 stops29h 15m
Multiple Airlines
Fri 24/719:30
HAN
-
SOU
2 stops20h 15m
Multiple Airlines
Deal found 4/5£1,056
Thu 9/720:00
SOU
-
HAN
2 stops53h 15m
Multiple Airlines
Fri 24/719:30
HAN
-
SOU
2 stops20h 15m
Multiple Airlines
Deal found 4/5£1,056
Mon 9/1109:20
SOU
-
HAN
2 stops27h 25m
Qatar Airways
Tue 24/1119:10
HAN
-
SOU
2 stops31h 20m
Qatar Airways
Deal found 6/5£1,070
Thu 12/1120:00
SOU
-
HAN
2 stops40h 45m
Qatar Airways
Tue 24/1119:10
HAN
-
SOU
2 stops31h 20m
Qatar Airways
Deal found 6/5£1,072
Thu 18/620:00
SOU
-
HAN
2 stops29h 15m
Qatar Airways
Mon 22/619:30
HAN
-
SOU
2 stops30h 00m
Qatar Airways
Deal found 4/5£1,073

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 May 2026.

Round-trip from

£834

One-way from

£524

Popular in

August

Cheapest in

November

Average price

£476
18/6-25/6
  • 18/6-25/6
  • 4 total stops
  • 63h 55m total
  • Southampton to Hanoi
Search Deals
5/9
  • 5/9
  • 2 total stops
  • 21h 40m total
  • Southampton to Hanoi
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£66 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 May 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 May 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 - HAN

SOUHAN

Southampton Eastleigh

Sat 6/6

10:15-07:15

2 stops39h 00m

Hanoi Noibai

Thu 11/6

01:55-09:45

2 stops37h 50m

£855
Fastest return journey

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Wed 3/6

09:20-13:55

2 stops22h 35m

Hanoi Noibai

Tue 9/6

01:55-19:25

2 stops23h 30m

£947

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Thu 18/6

20:00-07:15

2 stops29h 15m

Hanoi Noibai

Mon 22/6

19:30-19:30

2 stops30h 00m

£1,072

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Wed 8/7

20:00-07:15

2 stops29h 15m

Hanoi Noibai

Wed 22/7

19:30-14:45

2 stops25h 15m

£1,081

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Fri 10/7

20:00-07:15

2 stops29h 15m

Hanoi Noibai

Sun 26/7

19:30-19:30

2 stops30h 00m

£1,095
Cheapest one-way
Fastest single journey

SouthamptonHanoi

SOU - HAN

SOUHAN

Southampton Eastleigh

Sun 17/5

09:20-13:55

2 stops22h 35m

£662

Flights are sorted by cheapest return flights first.

Deals found on 7/5

Sorted by cheapest first

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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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?

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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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