Find flights
When to book
Airlines
FAQs

Cheap flights from Portsmouth to South America from £854

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 16/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BOG
6 Dec — 13 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to South America

Keep the following information in mind while searching for Portsmouth to South America flight deals. Data was last updated 6 November 2025.

Round-trip from

£988

One-way from

£854

Popular in

December

Cheapest in

March

Average price

£688
KLM
  • KLM
  • 20/3-24/3
  • 2 total stops
  • 45h 20m total
  • Portsmouth to South America
Search Deals
Delta
  • Delta
  • 13/3
  • 2 total stops
  • 24h 00m total
  • Portsmouth to South America
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£34 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Portsmouth to South America

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to South America
Explore the most affordable flight options available from Portsmouth to South America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 November 2025.

Sat 22/1109:25SOU - SCL
2 stops49h 15mDelta
Tue 9/1223:10SCL - SOU
2 stops39h 15mDelta
Deal found 5/11£1,003
Fri 28/1108:40SOU - SCL
2 stops26h 00mDelta
Sun 7/1223:10SCL - SOU
2 stops54h 00mDelta
Deal found 5/11£1,053
Thu 13/1108:50SOU - SCL
2 stops49h 50mDelta
Mon 17/1123:10SCL - SOU
2 stops38h 50mDelta
Deal found 4/11£1,063
Thu 20/1118:05SOU - EZE
2 stops53h 15mKLM
Mon 24/1122:40EZE - SOU
2 stops39h 20mKLM
Deal found 4/11£1,063
Thu 20/1108:50SOU - EZE
2 stops49h 30mDelta
Mon 24/1120:55EZE - SOU
2 stops32h 15mDelta
Deal found 5/11£1,101
Wed 3/1217:30SOU - EZE
2 stops29h 50mKLM
Wed 10/1222:40EZE - SOU
2 stops30h 25mKLM
Deal found 5/11£1,102
Wed 3/1208:40SOU - EZE
3 stops26h 15mMultiple Airlines
Wed 10/1217:45EZE - SOU
3 stops36h 00mMultiple Airlines
Deal found 5/11£1,324
Fri 19/1217:30SOU - GIG
2 stops27h 55mKLM
Fri 26/1220:50GIG - SOU
1 stop33h 00mKLM
Deal found 4/11£1,622
Fri 19/1217:30SOU - EZE
2 stops29h 50mKLM
Fri 26/1222:40EZE - SOU
2 stops31h 10mKLM
Deal found 4/11£1,794
Fri 19/1217:30SOU - GIG
2 stops27h 55mMultiple Airlines
Fri 26/1220:50GIG - SOU
3 stops32h 55mMultiple Airlines
Deal found 4/11£1,880

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to South America 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 6 November 2025.
Use the filters below to find and compare flights from Portsmouth to South America that are best for you.

Fly from

Portsmouth

Fly to

South America

Route

Depart

Return

Price

SouthamptonBuenos Aires

SOU - EZE

SOUEZE

Southampton Eastleigh

Thu 20/11

18:05-20:20

2 stops53h 15m

Buenos Aires Ministro Pistarini

Mon 24/11

22:40-17:00

2 stops39h 20m

£961

SouthamptonRio de Janeiro

SOU - GIG

SOUGIG

Southampton Eastleigh

Fri 20/3

17:30-18:40

1 stop28h 10m

Rio de Janeiro–Galeão Intl

Tue 24/3

20:50-08:20

1 stop32h 30m

£985

SouthamptonSantiago

SOU - SCL

SOUSCL

Southampton Eastleigh

Sat 22/11

17:30-07:40

2 stops41h 10m

Santiago Arturo Merino Benitez

Sun 7/12

23:10-08:10

2 stops54h 00m

£1,003

SouthamptonSantiago

SOU - SCL

SOUSCL

Southampton Eastleigh

Tue 25/11

17:30-07:40

2 stops41h 10m

Santiago Arturo Merino Benitez

Fri 5/12

23:10-08:50

2 stops30h 40m

£1,003

SouthamptonSantiago

SOU - SCL

SOUSCL

Southampton Eastleigh

Thu 27/11

18:05-07:40

2 stops40h 35m

Santiago Arturo Merino Benitez

Sat 6/12

23:10-08:10

2 stops54h 00m

£1,003

SouthamptonSantiago

SOU - SCL

SOUSCL

Southampton Eastleigh

Sun 23/11

09:30-07:40

2 stops49h 10m

Santiago Arturo Merino Benitez

Sun 7/12

23:10-08:10

2 stops54h 00m

£1,003

SouthamptonSantiago

SOU - SCL

SOUSCL

Southampton Eastleigh

Sun 23/11

09:30-07:40

2 stops49h 10m

Santiago Arturo Merino Benitez

Mon 8/12

23:10-17:00

2 stops38h 50m

£1,003

SouthamptonSantiago

SOU - SCL

SOUSCL

Southampton Eastleigh

Sat 22/11

17:30-07:40

2 stops41h 10m

Santiago Arturo Merino Benitez

Mon 8/12

21:30-08:10

2 stops31h 40m

£1,003

SouthamptonSantiago

SOU - SCL

SOUSCL

Southampton Eastleigh

Tue 25/11

17:30-07:40

2 stops41h 10m

Santiago Arturo Merino Benitez

Sun 7/12

23:10-08:10

2 stops54h 00m

£1,003

SouthamptonSantiago

SOU - SCL

SOUSCL

Southampton Eastleigh

Mon 24/11

18:05-07:40

2 stops40h 35m

Santiago Arturo Merino Benitez

Sat 6/12

23:10-08:10

2 stops54h 00m

£1,003

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 53 results
1
2
3
...
6

Best time to book a flight from Portsmouth to South America

Have a flexible travel schedule? Discover the best time to fly to South America 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 South America

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

Currently, September is the cheapest month in which you can book a flight from Portsmouth to South America (average of £268). Flying from Portsmouth to South America in July is currently the most expensive (average of £671). 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 SA?

Find hourly flight availability from Portsmouth to South America. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 November 2025.

A simple way to save on the total cost of your ticket is to fly from Portsmouth to South America at midday. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Portsmouth to South America?

Use this chart to determine the cheapest time to fly return from Portsmouth to South America. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Portsmouth to South America flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portsmouth to South America

Explore weekly flight availability from Portsmouth to South America. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 6 November 2025.

The most flights from P0R to 0SA are scheduled on a Monday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).

Reviews of airlines servicing South America

Get insights into the airlines that provide service to South America. 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 South America. Reviews last updated 6 November 2025.
Get a feel of what it's like to fly with KLM from Portsmouth to South America by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,405 reviews
Check prices

Food

7.3

Overall

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,405 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Food

7.3

Overall

7.7

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

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

    KLM and Delta can get you from Portsmouth to South America in just under 41h 10m. Your travel time can differ by up to 12h 05m. The distance between Portsmouth and South America is about 7183 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Portsmouth to South America?

    The most popular route from Portsmouth to South America is Southampton Eastleigh - Buenos Aires Ministro Pistarini. You may also consider Southampton Eastleigh - Rio de Janeiro–Galeão Intl or Southampton Eastleigh - Santiago Arturo Merino Benitez.

  • What are the most reliable airlines from Portsmouth to South America?

    Before booking your flight to South America from Portsmouth, check out the most reliable airlines to get you to your destination on time: Etihad Airways (90%), Avianca (90%), Emirates( 90%).

  • What are the cheapest flights from Portsmouth to South America?

    While on average a flight from Portsmouth to South America is generally £1,134, our data shows the cheapest flight currently is £391. When looking at the most popular route, (Southampton Eastleigh - Buenos Aires Ministro Pistarini), you can expect to pay £1,101 for that flight.

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

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

  • How can I find direct flights from Portsmouth to South America?

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

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

    Yes. Cheapflights offers flight deals from Portsmouth to South America 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 South America?

    Currently, September is the cheapest month in which you can book a flight from Portsmouth to South America (average of £268). Flying from Portsmouth to South America in July is currently the most expensive (average of £671). 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

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 Portsmouth to South America

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Suvarnabhumi flights
Gatwick to Suvarnabhumi flights
Heathrow to Dubai flights
Gatwick to Dubai flights
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Stansted to Dubai flights
London City to Suvarnabhumi flights
Heathrow to Haneda flights
Stansted to Suvarnabhumi flights
Heathrow to Lagos flights
Heathrow to Cape Town flights
Heathrow to LaGuardia flights
Gatwick to Lagos flights
Gatwick to John F Kennedy Intl flights
London City to John F Kennedy Intl flights
Gatwick to Newark flights
Manchester to Suvarnabhumi flights
Heathrow to Narita flights
Heathrow to Colombo flights
Heathrow to Kuala Lumpur Intl flights
Heathrow to New Delhi flights
Heathrow to Mumbai flights
Heathrow to Istanbul flights
Heathrow to Hong Kong flights
London City to Istanbul flights
Heathrow to Melbourne flights
Gatwick to Narita flights
Heathrow to Manila flights
Gatwick to Haneda flights
Heathrow to OR Tambo flights
Heathrow to Accra flights
Stansted to John F Kennedy Intl flights
Gatwick to LaGuardia flights
Manchester to Dubai flights
Heathrow to Frederic Chopin flights
London City to Newark flights
Heathrow to Guarulhos Intl flights
Luton to Dubai flights
Heathrow to Charles de Gaulle flights
Heathrow to Mexico City flights
Luton to Amsterdam flights
Gatwick to Charles de Gaulle flights
Luton to Charles de Gaulle flights
Luton to John F Kennedy Intl flights
Heathrow to Miami flights
Heathrow to Sydney flights
Heathrow to Edinburgh flights
Heathrow to Vancouver Intl flights
Stansted to Narita flights

Top 10 airlines flying from Portsmouth to South America

Discover the top 10 airlines that operate flights from Portsmouth to South America. 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 6 November 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£357Average£757FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
AviancaCheapest£424Average£793FlexibilityNo cancel feeOn-time71%
Search Avianca flights
TAP AIR PORTUGALCheapest£431Average£772FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air FranceCheapest£460Average£854FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air EuropaCheapest£477Average£875FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
ITA AirwaysCheapest£525Average£913FlexibilityNo cancel feeOn-time81%
Search ITA Airways flights
KLMCheapest£539Average£896FlexibilityNo cancel feeOn-time75%
Search KLM flights
IcelandairCheapest£553Average£696FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
IberiaCheapest£555Average£926FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air CanadaCheapest£573Average£726FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portsmouth to South America?

Cheapflights helps you search for flights from Portsmouth to South America via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to South America?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portsmouth to South America.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portsmouth to South America, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Portsmouth to South America become cheaper?

Of course! You can now track prices for flights from Portsmouth to South America 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.