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Cheap flights from Southampton to Buenos Aires from £1,075

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/3. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — BUE
15 Mar — 22 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Buenos Aires

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to Buenos Aires
Explore the most affordable flight options available from Southampton to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 February 2026.

Mon 30/317:20
SOU
-
EZE
2 stops32h 50m
KLM
Mon 6/415:05
EZE
-
SOU
1 stop37h 30m
KLM
Deal found 13/2£1,075
Sat 28/317:30
SOU
-
EZE
2 stops55h 40m
KLM
Sat 4/415:05
EZE
-
SOU
1 stop21h 45m
KLM
Deal found 11/2£1,322
Fri 27/308:50
SOU
-
EZE
2 stops38h 30m
KLM
Fri 3/415:05
EZE
-
SOU
1 stop37h 40m
KLM
Deal found 10/2£1,342
Mon 30/319:20
SOU
-
EZE
3 stops30h 50m
Multiple Airlines
Mon 6/421:55
EZE
-
SOU
2 stops38h 55m
Multiple Airlines
Deal found 13/2£1,381
Sat 28/309:25
SOU
-
EZE
2 stops26h 25m
Multiple Airlines
Sat 4/412:10
EZE
-
SOU
2 stops24h 40m
Multiple Airlines
Deal found 11/2£1,401
Fri 27/314:25
SOU
-
EZE
2 stops21h 25m
Multiple Airlines
Fri 3/412:10
EZE
-
SOU
3 stops27h 20m
Multiple Airlines
Deal found 10/2£1,447

Find flight deals from Southampton to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Buenos Aires (BUE). 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 13 February 2026.

Round-trip from

£1,075

Popular in

December

Cheapest in

September

Average price

£924
KLM
  • KLM
  • 30/3-6/4
  • 3 total stops
  • 70h 20m total
  • Southampton to Buenos Aires
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£29 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Buenos Aires 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 13 February 2026.
Use the filters below to find and compare flights from Southampton to Buenos Aires that are best for you.

Fly from

Southampton

Fly to

Buenos Aires

Route

Depart

Return

Price

SouthamptonBuenos Aires

SOU - EZE

SOUEZE

Southampton Eastleigh

Mon 30/3

17:20-22:10

2 stops32h 50m

Buenos Aires Ministro Pistarini

Mon 6/4

15:05-08:35

1 stop37h 30m

£1,075

SouthamptonBuenos Aires

SOU - EZE

SOUEZE

Southampton Eastleigh

Sat 28/3

17:30-22:10

2 stops55h 40m

Buenos Aires Ministro Pistarini

Sat 4/4

15:05-16:50

1 stop21h 45m

£1,322

SouthamptonBuenos Aires

SOU - EZE

SOUEZE

Southampton Eastleigh

Fri 27/3

08:50-20:20

2 stops38h 30m

Buenos Aires Ministro Pistarini

Fri 3/4

15:05-08:45

1 stop37h 40m

£1,342

SouthamptonBuenos Aires

SOU - EZE

SOUEZE

Southampton Eastleigh

Mon 30/3

19:20-22:10

3 stops30h 50m

Buenos Aires Ministro Pistarini

Mon 6/4

21:55-16:50

2 stops38h 55m

£1,381

SouthamptonBuenos Aires

SOU - EZE

SOUEZE

Southampton Eastleigh

Sat 28/3

09:25-08:50

2 stops26h 25m

Buenos Aires Ministro Pistarini

Sat 4/4

12:10-16:50

2 stops24h 40m

£1,401

SouthamptonBuenos Aires

SOU - EZE

SOUEZE

Southampton Eastleigh

Fri 27/3

14:25-15:10

3 stops27h 45m

Buenos Aires Ministro Pistarini

Fri 3/4

07:00-16:50

3 stops29h 50m

£1,573

Flights are sorted by cheapest return flights first.

Deals found on 13/2

Best time to book a flight from Southampton to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires 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 Buenos Aires

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

Currently, May is the cheapest month in which you can book a flight from Southampton to Buenos Aires (average of £644). Flying from Southampton to Buenos Aires in July is currently the most expensive (average of £982). 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 Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Southampton to Buenos Aires?

    Southampton Eastleigh (SOU), located 3.5 mi from the city center, is the airport you fly out of when you book flights from Southampton to Buenos Aires. 0 airlines have flights from Eastleigh to Buenos Aires on a regular basis. Booking flights from Southampton Eastleigh to Buenos Aires should not be difficult; the airport handles an average of 0 outbound flights to Buenos Aires per day.

  • How long is the flight from Southampton to Buenos Aires?

    There are many flights that can get you from Southampton to Buenos Aires in 32h 50m. Fly via KLM to get the fastest option. The distance from Southampton to Buenos Aires is about 6862 mi.

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

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

  • How can I find direct flights from Southampton to Buenos Aires?

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

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

    Yes. Cheapflights offers flight deals from Southampton to Buenos Aires 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 Buenos Aires?

    Currently, May is the cheapest month in which you can book a flight from Southampton to Buenos Aires (average of £644). Flying from Southampton to Buenos Aires in July is currently the most expensive (average of £982). 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

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How does Cheapflights help users find flights from Southampton to Buenos Aires?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Southampton to Buenos Aires. 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 Buenos Aires?

Cheapflights helps you find that perfect flight to Buenos Aires from Southampton by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Buenos Aires from Southampton shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Southampton to Buenos Aires become cheaper?

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

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