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Cheap flights from Portsmouth to Argentina from £1,058

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — EZE
1 Sep — 8 Sep1
1 adult

Cheap flight deals from Portsmouth to Argentina

Keep the following information in mind while searching for Portsmouth to Argentina flight deals. Data was last updated 27 August 2025.

Round-trip from

£1,058

Popular in

December

Cheapest in

March

Average price

£1,052
KLM
  • KLM
  • 13/11-17/11
  • 4 total stops
  • 59h 45m total
  • Portsmouth to Argentina
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£36 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Portsmouth to Argentina

Cheapest flights from Portsmouth to Argentina
Explore the most affordable flight options available from Portsmouth to Argentina. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 August 2025.

Thu 13/1118:05SOU - EZE
2 stops29h 40mKLM
Mon 17/1123:05EZE - SOU
2 stops30h 05mKLM
Deal found 26/8£1,058

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Argentina 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 27 August 2025.
Use the filters below to find and compare flights from Portsmouth to Argentina that are best for you.

Fly from

Portsmouth

Fly to

Argentina

Route

Depart

Return

Price

SouthamptonBuenos Aires

SOU - EZE

SOUEZE

Southampton Eastleigh

Thu 13/11

18:05-20:45

2 stops29h 40m

Buenos Aires Ministro Pistarini

Mon 17/11

23:05-08:10

2 stops30h 05m

£1,058

SouthamptonBuenos Aires

SOU - EZE

SOUEZE

Southampton Eastleigh

Sat 10/1

09:25-10:15

2 stops51h 50m

Buenos Aires Ministro Pistarini

Thu 29/1

22:25-08:45

2 stops31h 20m

£3,779

SouthamptonBuenos Aires

SOU - EZE

SOUEZE

Southampton Eastleigh

Thu 15/1

17:30-07:20

2 stops64h 50m

Buenos Aires Ministro Pistarini

Thu 29/1

22:25-08:45

2 stops31h 20m

£3,779

SouthamptonBuenos Aires

SOU - EZE

SOUEZE

Southampton Eastleigh

Fri 9/1

09:00-10:15

2 stops28h 15m

Buenos Aires Ministro Pistarini

Thu 29/1

22:25-08:45

2 stops31h 20m

£3,779

Flights are sorted by cheapest return flights first.

Deals found on 26/8

Best time to book a flight from Portsmouth to Argentina

Have a flexible travel schedule? Discover the best time to fly to Argentina from Portsmouth 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 Portsmouth to Argentina

What is the cheapest month to book a flight from Portsmouth to Argentina?

Currently, May is the cheapest month in which you can book a flight from Portsmouth to Argentina (average of £1,012). Flying from Portsmouth to Argentina in December is currently the most expensive (average of £1,250). 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.

What is the cheapest time of day to fly from P0R to AR?

Find hourly flight availability from Portsmouth to Argentina. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 August 2025.

When flying from Portsmouth to Argentina, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Argentina. 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 Portsmouth to Argentina?

    For as low as £1,058, KLM can have you in Argentina from Portsmouth in 29h 40m. The distance between Portsmouth and Argentina is about 6862 mi.

  • What are the cheapest flights from Portsmouth to Argentina?

    The cheapest flight price from Portsmouth to Argentina is £975. On average you can expect to pay £1,930. The most popular route, (Southampton Eastleigh - Buenos Aires Ministro Pistarini), can usually be booked for £1,058.

  • Can I find deals for flights from Portsmouth to Argentina that include hotel bookings?

    Yes. In addition to deals on Portsmouth to Argentina flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portsmouth to Argentina?

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

  • Can I find deals for business class flights from Portsmouth to Argentina?

    Yes. Cheapflights offers flight deals from Portsmouth to Argentina 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 Portsmouth to Argentina?

    Currently, May is the cheapest month in which you can book a flight from Portsmouth to Argentina (average of £1,012). Flying from Portsmouth to Argentina in December is currently the most expensive (average of £1,250). 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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Alternative routes for Portsmouth to Argentina

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Portsmouth to Argentina

Discover the top 9 airlines that operate flights from Portsmouth to Argentina. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 27 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£445Average£1,127FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air EuropaCheapest£581Average£1,074FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
ITA AirwaysCheapest£616Average£1,084FlexibilityNo cancel feeOn-time81%
Search ITA Airways flights
Air CanadaCheapest£642Average£683FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
IberiaCheapest£708Average£1,038FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapest£735Average£941FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£771Average£1,051FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£818Average£1,184FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
LATAM AirlinesCheapest£834Average£1,127FlexibilityNo cancel feeOn-time81%
Search LATAM Airlines flights

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How does Cheapflights help users find flights from Portsmouth to Argentina?

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Can Cheapflights find flights from Portsmouth to Argentina with no change fees?

Yes! Cheapflights helps users easily find flights from Portsmouth to Argentina with no change fees.

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Of course! You can now track prices for flights from Portsmouth to Argentina and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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