How long is the flight from Southampton to Buenos Aires?

There are many flights that can get you from Southampton to Buenos Aires in 54h 10m. Fly via KLM to get the fastest option. The distance from Southampton to Buenos Aires is about 6862 mi.

In terms of precipitation, rainfall in Buenos Aires ranges from 50.0 - 100.0 inches per month. January is typically the wettest month, when rainfall can reach 100.0 mm. June is typically the driest time to visit Buenos Aires when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 11.0 C).

What is the cheapest time of day to fly from SOU to BUE?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Southampton to Buenos Aires as you normally would.

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.

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.

£1,325+ Cheap Flights from Southampton to Buenos Aires

Cheap flight deals from Southampton to Buenos Aires

Enter your travel dates to find the best prices.

Cheapest

Best

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One-way

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 15 September 2026.

Wed 28/1009:20 -

3 stops34h 48m

Tue 3/1102:05 -

3 stops35h 15m

Deal found 13/9£1,325

Tue 27/1008:40 -

2 stops54h 10m

Mon 2/1104:30 -

2 stops33h 35m

Deal found 12/9£1,368

Tue 27/1009:20 -

3 stops31h 20m

Mon 2/1104:30 -

3 stops36h 00m

Deal found 12/9£1,379

Mon 21/917:20 -

2 stops44h 25m

Mon 28/920:10 -

2 stops32h 35m

Deal found 14/9£1,502

Find flight deals from Southampton to Buenos Aires

Round-trip from	£1,325
Popular in	December
Cheapest in	May
Average price	£935

28/10-3/11
6 total stops
70h 03m total
Southampton to Buenos Aires

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (£48 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 September 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Southampton to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonBuenos Aires

SOU Southampton Eastleigh - EZE Buenos Aires Ministro Pistarini

SOUEZE

Southampton Eastleigh

Wed 28/10

09:20-17:08

3 stops34h 48m

Buenos Aires Ministro Pistarini

Tue 3/11

02:05-16:20

3 stops35h 15m

£1,325

SouthamptonBuenos Aires

SOU Southampton Eastleigh - EZE Buenos Aires Ministro Pistarini

SOUEZE

Southampton Eastleigh

Tue 27/10

08:40-11:50

2 stops54h 10m

Buenos Aires Ministro Pistarini

Mon 2/11

04:30-17:05

2 stops33h 35m

£1,368

SouthamptonBuenos Aires

SOU Southampton Eastleigh - EZE Buenos Aires Ministro Pistarini

SOUEZE

Southampton Eastleigh

Tue 27/10

09:20-13:40

3 stops31h 20m

Buenos Aires Ministro Pistarini

Mon 2/11

04:30-19:30

3 stops36h 00m

£1,379

Fastest return journey

SouthamptonBuenos Aires

SOU Southampton Eastleigh - EZE Buenos Aires Ministro Pistarini

SOUEZE

Southampton Eastleigh

Tue 15/12

17:30-07:35

2 stops41h 05m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£2,404

SouthamptonBuenos Aires

SOU Southampton Eastleigh - EZE Buenos Aires Ministro Pistarini

SOUEZE

Southampton Eastleigh

Wed 16/12

08:40-10:55

2 stops53h 15m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£2,404

SouthamptonBuenos Aires

SOU Southampton Eastleigh - EZE Buenos Aires Ministro Pistarini

SOUEZE

Southampton Eastleigh

Thu 17/12

17:30-07:35

2 stops41h 05m

Buenos Aires Ministro Pistarini

Wed 31/12

00:00-04:00

Nonstop0h 00m

£2,405

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Sorted by cheapest first

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.

SOU-BUE

SOU-EZE

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

SOU-BUE

SOU-EZE

No data available for this route at this time. Please check back soon.

Related info for your journey

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 54h 10m. 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.

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.

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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.

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Cheap flights from Southampton to Buenos Aires from £1,325

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Southampton to Buenos Aires

Cheapest flights from Southampton to Buenos AiresExplore 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 15 September 2026.

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 15 September 2026.

Best flights from Southampton to Buenos AiresDiscover carefully curated flight deals from Southampton to Buenos Aires that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2026.

Discover carefully curated flight deals from Southampton to Buenos Aires that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2026.

Last-minute flights from Southampton to Buenos AiresDiscover last-minute flight deals from Southampton to Buenos Aires. Data last updated 15 September 2026 and is based on user searches.

Discover last-minute flight deals from Southampton to Buenos Aires. Data last updated 15 September 2026 and is based on user searches.

One-way flights from Southampton to Buenos AiresSearch for one-way flight options from Southampton to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated 15 September 2026.

Search for one-way flight options from Southampton to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated 15 September 2026.

Find flight deals from Southampton to Buenos Aires

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Best time to book a flight from Southampton to Buenos Aires

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Related info for your journey

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

How long is the flight from Southampton to Buenos Aires?

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Southampton to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.

Other flights to Buenos Aires

Explore flights to Buenos Aires departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 15 September 2026.

Complete your trip

Complete your trip to Buenos Aires by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Argentina

Book a non-stop flight to one of these other cities located in Argentina.

Search flights from Southampton to Buenos Aires by cabin class

Find flights from Southampton to Buenos Aires, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Southampton and Buenos Aires flights

Browse other Southampton and Buenos Aires flight options. Last updated on 15 September 2026.

Other flights from Southampton

Browse through other flights departing from Southampton. Flights are based on user searches made on Cheapflights and were last updated on 15 September 2026.

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

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

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

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

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Travel Smart

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 15 September 2026.

Best flights from Southampton to Buenos Aires
Discover carefully curated flight deals from Southampton to Buenos Aires that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2026.

Last-minute flights from Southampton to Buenos Aires
Discover last-minute flight deals from Southampton to Buenos Aires. Data last updated 15 September 2026 and is based on user searches.

One-way flights from Southampton to Buenos Aires
Search for one-way flight options from Southampton to Buenos Aires. Find affordable one-way fares based on user searches. Data last updated 15 September 2026.