Cheap flights from Portsmouth to Buenos Aires from £1,136
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.
Cheap flight deals from Portsmouth to Buenos Aires
Keep the following information in mind while searching for Portsmouth to Buenos Aires flight deals. Data was last updated 1 July 2025.
Round-trip from | £1,136 |
---|---|
Popular in | December |
Cheapest in | November |
Average price | £966 |
Find flight deals from Portsmouth to Buenos Aires
Cheapest flights from Portsmouth to Buenos AiresExplore the most affordable flight options available from Portsmouth to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.
Explore the most affordable flight options available from Portsmouth to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Portsmouth 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 1 July 2025.
Use the filters below to find and compare flights from Portsmouth to Buenos Aires that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SouthamptonBuenos Aires
SOU - EZE
SOUEZE
Southampton Eastleigh
Thu 13/11
17:20-09:45
2 stops43h 25m
Buenos Aires Ministro Pistarini
Mon 17/11
22:25-08:25
2 stops31h 00m
SouthamptonBuenos Aires
SOU - EZE
SOUEZE
Southampton Eastleigh
Wed 13/8
18:25-21:45
2 stops31h 20m
Buenos Aires Ministro Pistarini
Wed 20/8
14:25-17:50
1 stop23h 25m
SouthamptonBuenos Aires
SOU - EZE
SOUEZE
Southampton Eastleigh
Wed 13/8
09:10-05:30
2 stops24h 20m
Buenos Aires Ministro Pistarini
Wed 20/8
14:25-16:35
2 stops22h 10m
Best time to book a flight from Portsmouth to Buenos Aires
Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Portsmouth with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Portsmouth to Buenos Aires
What is the cheapest month to book a flight from Portsmouth to Buenos Aires?
Currently, May is the cheapest month in which you can book a flight from Portsmouth to Buenos Aires (average of £1,012). Flying from Portsmouth to Buenos Aires 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 BUE?
Find hourly flight availability from Portsmouth to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 July 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portsmouth to Buenos Aires as you normally would.
What is the cheapest day to fly from Portsmouth to Buenos Aires?
Use this chart to determine the cheapest time to fly return from Portsmouth to Buenos Aires. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their Portsmouth to Buenos Aires flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Buenos Aires
Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated 1 July 2025.
See what other customers who have flown with Delta and KLM from Portsmouth to Buenos Aires have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Overall
Crew
Comfort
Boarding
Food
Reviews
Colin,Sept 2024
LHR - BOS
Entertainment
Overall
Crew
Comfort
Boarding
Food
Reviews
Colin,Sept 2024
LHR - BOS
Entertainment
Overall
Crew
Comfort
Boarding
Food
Reviews
Colin,Sept 2024
LHR - BOS
Related info for your journey
Find useful and relevant information for your journey from Portsmouth to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Portsmouth to Buenos Aires
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Portsmouth to Buenos Aires
Discover the top 10 airlines that operate flights from Portsmouth to Buenos Aires. 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 1 July 2025.
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Can Cheapflights find flights from Portsmouth to Buenos Aires with no change fees?
Need flexible booking options for your flight to Buenos Aires from Portsmouth? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
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