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Cheap flights from Ireland to South America from £344

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to South America departing on 25/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ireland to South America

Recent return flight deals from Ireland to South America

Delta Logo
10:45 - 08:20DUB-GIG
24h 35m2 stops
Delta Logo
21:30 - 08:45GIG-DUB
32h 15m2 stops
£528Delta
Find Deal
Tue, 18 Nov - Wed, 26 Nov
Delta Logo
11:30 - 05:40DUB-GRU
45h 10m2 stops
Delta Logo
23:45 - 08:45GRU-DUB
30h 00m2 stops
£528Delta
Find Deal
Mon, 27 Oct - Sun, 9 Nov
Air France Logo
06:00 - 18:25DUB-GIG
15h 25m1 stop
Air France Logo
20:45 - 07:50GIG-DUB
32h 05m1 stop
£631Air France
Find Deal
Fri, 21 Nov - Mon, 1 Dec
KLM Logo
05:55 - 19:55DUB-GIG
41h 00m2 stops
KLM Logo
21:15 - 12:40GIG-DUB
36h 25m2 stops
£651KLM
Find Deal
Fri, 21 Nov - Mon, 1 Dec
TAP AIR PORTUGAL Logo
04:25 - 19:55DUB-GRU
18h 30m1 stop
TAP AIR PORTUGAL Logo
23:15 - 23:20GRU-DUB
21h 05m1 stop
£653TAP AIR PORTUGAL
Find Deal
Thu, 13 Nov - Wed, 26 Nov
KLM Logo
05:55 - 23:37DUB-CLO
22h 42m2 stops
KLM Logo
15:12 - 22:10CLO-DUB
25h 58m2 stops
£654KLM
Find Deal
Thu, 6 Nov - Mon, 10 Nov
TAP AIR PORTUGAL Logo
04:25 - 19:55DUB-GRU
18h 30m1 stop
TAP AIR PORTUGAL Logo
23:15 - 16:10GRU-DUB
13h 55m1 stop
£665TAP AIR PORTUGAL
Find Deal
Sun, 16 Nov - Mon, 24 Nov
British Airways Logo
17:55 - 11:45DUB-EZE
20h 50m2 stops
British Airways Logo
13:35 - 07:55EZE-DUB
39h 20m2 stops
£749British Airways
Find Deal
Mon, 9 Mar - Thu, 26 Mar
British Airways Logo
17:55 - 09:25DUB-GIG
18h 30m2 stops
British Airways Logo
18:00 - 12:35GIG-DUB
15h 35m1 stop
£751British Airways
Find Deal
Mon, 17 Nov - Mon, 24 Nov
Air France Logo
06:00 - 19:45DUB-GIG
17h 45m1 stop
Air France Logo
20:45 - 15:45GIG-DUB
16h 00m1 stop
£764Air France
Find Deal
Mon, 20 Oct - Wed, 5 Nov

Delta flights from Ireland to South America

Our best Delta deals on Ireland to South America flight tickets
Delta
27 Oct
DUB11:30Dublin
45h 10m
2 stops
GRU05:40Sao Paulo Guarulhos Intl
9 Nov
GRU23:45Sao Paulo Guarulhos Intl
30h 00m
2 stops
DUB08:45Dublin
£528
Find similar
Delta
9 Oct
DUB11:00Dublin
26h 00m
1 stop
GRU09:00Sao Paulo Guarulhos Intl
13 Nov
GRU21:00Sao Paulo Guarulhos Intl
31h 45m
2 stops
DUB07:45Dublin
£530
Find similar
Delta
24 Sept
DUB11:00Dublin
25h 50m
2 stops
GRU08:50Sao Paulo Guarulhos Intl
27 Oct
GRU23:45Sao Paulo Guarulhos Intl
30h 35m
2 stops
DUB09:20Dublin
£531
Find similar

United Airlines flights from Ireland to South America

Our best United Airlines deals on Ireland to South America flight tickets
United Airlines
7 Nov
DUB10:40Dublin
23h 35m
1 stop
GRU07:15Sao Paulo Guarulhos Intl
22 Nov
GRU21:45Sao Paulo Guarulhos Intl
30h 45m
2 stops
DUB07:30Dublin
£625
Find similar
United Airlines
24 Sept
DUB12:30Dublin
25h 00m
1 stop
GRU09:30Sao Paulo Guarulhos Intl
27 Oct
GRU21:30Sao Paulo Guarulhos Intl
33h 50m
1 stop
DUB10:20Dublin
£628
Find similar
United Airlines
24 Sept
DUB11:35Dublin
25h 55m
1 stop
GRU09:30Sao Paulo Guarulhos Intl
27 Oct
GRU22:15Sao Paulo Guarulhos Intl
30h 55m
1 stop
DUB08:10Dublin
£628
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Ireland 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, momondo users made 279,928 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from Ireland to South America that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinRio de Janeiro

DUB - GIG

DUBGIG

Dublin

Tue 18/11

10:45-08:20

2 stops24h 35m

Rio de Janeiro–Galeão Intl

Wed 26/11

21:30-08:45

2 stops32h 15m

£528

DublinSao Paulo

DUB - GRU

DUBGRU

Dublin

Mon 27/10

11:30-05:40

2 stops45h 10m

Sao Paulo Guarulhos Intl

Sun 9/11

23:45-08:45

2 stops30h 00m

£528

DublinRio de Janeiro

DUB - GIG

DUBGIG

Dublin

Fri 21/11

06:00-18:25

1 stop15h 25m

Rio de Janeiro–Galeão Intl

Mon 1/12

20:45-07:50

1 stop32h 05m

£631

DublinRio de Janeiro

DUB - GIG

DUBGIG

Dublin

Fri 21/11

05:55-19:55

2 stops41h 00m

Rio de Janeiro–Galeão Intl

Mon 1/12

21:15-12:40

2 stops36h 25m

£651

DublinSao Paulo

DUB - GRU

DUBGRU

Dublin

Thu 13/11

04:25-19:55

1 stop18h 30m

Sao Paulo Guarulhos Intl

Wed 26/11

23:15-23:20

1 stop21h 05m

£653

DublinCali

DUB - CLO

DUBCLO

Dublin

Thu 6/11

05:55-23:37

2 stops22h 42m

Cali Alfonso B. Aragon Intl

Mon 10/11

15:12-22:10

2 stops25h 58m

£654

DublinSao Paulo

DUB - GRU

DUBGRU

Dublin

Sun 16/11

04:25-19:55

1 stop18h 30m

Sao Paulo Guarulhos Intl

Mon 24/11

23:15-16:10

1 stop13h 55m

£665

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Mon 9/3

17:55-11:45

2 stops20h 50m

Buenos Aires Ministro Pistarini

Thu 26/3

13:35-07:55

2 stops39h 20m

£749

DublinRio de Janeiro

DUB - GIG

DUBGIG

Dublin

Mon 17/11

17:55-09:25

2 stops18h 30m

Rio de Janeiro–Galeão Intl

Mon 24/11

18:00-12:35

1 stop15h 35m

£751

DublinRio de Janeiro

DUB - GIG

DUBGIG

Dublin

Mon 20/10

06:00-19:45

1 stop17h 45m

Rio de Janeiro–Galeão Intl

Wed 5/11

20:45-15:45

1 stop16h 00m

£764

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Ireland to South America

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to South America?

In general, September is the cheapest month to fly from Ireland to South America. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £589. If you are unable to visit South America during the month of September, then departing from Ireland during the month April is also very affordable. Most momondo users find prices during this month for around £614.

What is the cheapest day to depart on your flight to South America?

Our data shows that Thursday is the least expensive day to fly to South America. Tickets to fly out on this day can be as low as £635. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to South America for around £860.

How far in advance should I book a flight to South America?

You are more likely to see cheaper flights to South America from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to South America for around £772 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South America from Ireland for as low as £627 on momondo.

Can stopping save me money on Ireland to South America flights?

You could potentially save up to 27% on your flight if you consider stops on a Ireland to South America flight.

Cheap Ireland to South America flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to South America

Direct flights

None
There are no direct flights from Ireland to South America. There are no popular flight routes from Ireland to South America.
Search flight deals

  • When did momondo last update prices for flights from Ireland to South America?

    Prices for flights from Ireland to South America are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ireland to South America?

  • How old do you have to be to fly from Ireland to South America?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to South America.

  • What documentation or ID do you need to fly to South America?

    The necessary travel and health documents for your South America trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Ireland to South America

Compare and see reviews for airlines that fly from Ireland to South America with momondo
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom £400Free CancellationRating
7.1
1,975 reviews
Search TAP AIR PORTUGAL flights
KLMPriceFrom £494Free CancellationRating
7.8
1,385 reviews
Search KLM flights
DeltaPriceFrom £496Free CancellationRating
7.9
7,954 reviews
Search Delta flights
British AirwaysPriceFrom £588Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
Air FrancePriceFrom £615Free CancellationRating
7.4
1,469 reviews
Search Air France flights

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to South America?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ireland to South America. momondo saves you time and could save you money on your trip.

Can I find flights from Ireland to South America with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to South America from Ireland with this policy.

How can momondo help me find flights from Ireland to South America?

momondo provides multiple filters to help you find the best flight to South America from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ireland to South America right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ireland to South America flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your South America trip

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