£419+ Cheap flights to Buenos Aires

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
— BUE
20 Apr — 27 Apr1
1 adult
1 adult, Economy, 0 bags

Flights to Buenos Aires in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Buenos Aires
Explore the most affordable flight options available to Buenos Aires. Find the lowest fares based on data from user searches, with prices last updated on 21 March 2026.

Sat 12/922:05
LHR
-
EZE
1 stop21h 35m
Avianca
Mon 28/916:50
EZE
-
LHR
1 stop18h 45m
Avianca
Deal found 20/3£738
Fri 9/1022:05
LHR
-
EZE
1 stop21h 35m
Avianca
Fri 30/1016:55
EZE
-
LHR
1 stop18h 40m
Avianca
Deal found 20/3£739
Wed 6/522:05
LHR
-
EZE
1 stop21h 35m
Avianca
Thu 14/516:50
EZE
-
LHR
1 stop18h 45m
Avianca
Deal found 18/3£741
Fri 6/1121:40
LHR
-
EZE
1 stop21h 10m
Avianca
Sat 21/1107:30
EZE
-
LHR
1 stop28h 05m
Avianca
Deal found 16/3£746
Thu 23/422:05
LHR
-
AEP
1 stop35h 35m
Avianca
Thu 14/507:00
AEP
-
LHR
1 stop28h 35m
Avianca
Deal found 18/3£747
Sat 4/422:05
LHR
-
AEP
1 stop35h 35m
Avianca
Wed 13/507:00
AEP
-
LHR
1 stop28h 35m
Avianca
Deal found 16/3£749
Sun 8/1121:40
LHR
-
EZE
1 stop21h 10m
Avianca
Sat 28/1107:30
EZE
-
LHR
1 stop28h 05m
Avianca
Deal found 19/3£749
Mon 5/1022:05
LHR
-
EZE
1 stop21h 35m
Avianca
Wed 14/1016:50
EZE
-
LHR
1 stop18h 45m
Avianca
Deal found 18/3£750
Sun 13/922:05
LHR
-
EZE
1 stop30h 20m
Avianca
Mon 21/916:50
EZE
-
LHR
1 stop18h 45m
Avianca
Deal found 18/3£752
Mon 20/422:05
LHR
-
AEP
1 stop35h 35m
Avianca
Wed 6/507:00
AEP
-
LHR
1 stop28h 35m
Avianca
Deal found 16/3£756
Mon 14/922:05
LHR
-
EZE
1 stop30h 20m
Avianca
Tue 6/1016:50
EZE
-
LHR
1 stop18h 45m
Avianca
Deal found 21/3£756
Wed 1/710:50
STN
-
EZE
2 stops39h 35m
Turkish Airlines
Wed 22/723:55
EZE
-
STN
2 stops36h 45m
Turkish Airlines
Deal found 17/3£757

Find flight deals to Buenos Aires

Find the latest flights to Buenos Aires in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 21 March 2026.

Return from

£736

One-way from

£419

Popular in

December

Cheapest in

September

Average price

£902
LATAM Airlines
  • LATAM Airlines
  • 25/5-8/6
  • 2 total stops
  • 34h 25m total
  • London to Buenos Aires
20/4
  • 20/4
  • 2 total stops
  • 29h 30m total
  • London to Buenos Aires
Highest demand for flights based on searches. 4% potential increase in price (£49 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£26 potential savings vs. average return price).
Average for return flights in March 2026

Cheapflights Fare Finder

 
Locate flights to Buenos Aires that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 21 March 2026.
Use the filters below to find and compare flights to Buenos Aires that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Thu 4/6

06:30-22:25

2 stops43h 55m

Buenos Aires Ministro Pistarini

Mon 8/6

23:55-15:10

2 stops35h 15m

£852

LondonBuenos Aires

STN - EZE

STNEZE

London Stansted

Sun 13/9

06:55-22:25

2 stops43h 30m

Buenos Aires Ministro Pistarini

Mon 21/9

23:55-16:50

2 stops36h 55m

£855

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Sun 13/9

07:30-22:25

2 stops42h 55m

Buenos Aires Ministro Pistarini

Mon 21/9

23:55-13:10

2 stops33h 15m

£899

LondonBuenos Aires

STN - EZE

STNEZE

London Stansted

Thu 7/5

17:35-22:25

2 stops32h 50m

Buenos Aires Ministro Pistarini

Sun 17/5

23:55-22:10

2 stops42h 15m

£902

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Thu 23/4

06:55-08:00

2 stops29h 05m

Buenos Aires Ministro Pistarini

Wed 6/5

21:00-06:45

2 stops29h 45m

£907

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Mon 14/9

06:55-08:00

2 stops29h 05m

Buenos Aires Ministro Pistarini

Mon 21/9

21:00-07:40

1 stop30h 40m

£907

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sun 13/9

09:40-09:45

2 stops28h 05m

Buenos Aires Ministro Pistarini

Mon 21/9

20:10-08:50

2 stops32h 40m

£927

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Tue 18/8

13:25-09:45

1 stop24h 20m

Buenos Aires Ministro Pistarini

Tue 22/9

20:10-07:10

2 stops31h 00m

£935

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Wed 8/7

17:35-22:25

2 stops32h 50m

Buenos Aires Ministro Pistarini

Thu 30/7

23:55-09:55

2 stops30h 00m

£937

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sat 22/8

11:30-09:45

2 stops26h 15m

Buenos Aires Ministro Pistarini

Mon 14/9

20:10-08:50

2 stops32h 40m

£939

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires 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 to Buenos Aires

When is the best time to book a flight to Buenos Aires?

Use this chart to determine the optimal time to book a return flight from London to Buenos Aires. Price data was last updated on 13 March 2026.

The price you pay for your flight to Buenos Aires may vary depending on when you book. For the best chance of a lower fare, look to book 50 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

How long is the flight to Buenos Aires?

On average, a flight from London to Buenos Aires takes 19 hours 21 minutes. Flights to Buenos Aires from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

Weekly flight availability to Buenos Aires

The most flights from London to Buenos Aires are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

What are the cheapest airlines that fly to Buenos Aires?

The cheapest airlines flying from London to Buenos Aires are Avianca, Iberia and Air France.

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

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.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

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).

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 21 March 2026.
Get a feel of what it's like to fly with LATAM Airlines,Iberia, andAir Europa to Argentina by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.3

Crew

8.0

Entertainment

7.0

Food

6.7

Overall

7.4

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

Comfort

7.3

Crew

8.0

Entertainment

7.0

Food

6.7

Overall

7.4

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

Comfort

7.3

Crew

8.0

Entertainment

7.0

Food

6.7

Overall

7.4

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

Comfort

7.3

Crew

8.0

Entertainment

7.0

Food

6.7

Overall

7.4

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

Comfort

7.3

Crew

8.0

Entertainment

7.0

Food

6.7

Overall

7.4

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

Comfort

7.3

Crew

8.0

Entertainment

7.0

Food

6.7

Overall

7.4

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

LUIS JOSE,Oct 2025

LIM - AEP

Smiles because se upgraded to premiums economy. That was similar to LAN economy years ahí!

FAQs about flying to Buenos Aires

Buenos Aires climate

Summers are humid and can be oppressively hot with January and February temperatures in the 30s Celsius and higher. Winters are mild and rainy, and June and July temperatures rarely going below freezing. Spring and autumn are in the 20s.

Getting around Buenos Aires

The oldest subway in South America, the subte, is a quick, cheap and efficient way to get around Buenos Aires. The buses can take you anywhere, but it may not be worth the effort to figure out the routes. Buenos Aires is great to walk around – lovely streets, plazas and parks. You can also grab a radio taxi, which is safer than street taxis. You can identify them by the plastic light boxes on their roofs. Make sure you know your destination’s address and cross street, as some drivers don’t know the city very well. You don’t need a car to get around the city, but if you drive, make sure you find out the rules of the road.

Getting from the Airport to the City

A number of private bus companies operate between the Ministro Pistarini International Airport (EZE) and central Buenos Aires; services are regular and take around 45 minutes. Public bus is cheaper but can take longer than two hours to the city centre. Metered taxis are also available outside the terminal buildings, and chauffeured cars (remises) are available for hire on the lower level of both terminals.

What is good to know if travelling to Buenos Aires?

  • Wander through one of Buenos Aires’ most important sites: the resting place of Eva Peron at the Recoleta Cemetery. The minute you walk into the grand gates of the cemetery you’ll realise that it’s not like any other you’ve ever visited. Stroll through the passageways where Argentina’s elite are buried, and explore the most ornate tombs you’ll ever see in your life; there’s even one that’s a mini replica of the Sagrada Familia.
  • The heart and soul of tango is Buenos Aires, and whether you stop into a café or a professional dance hall, tango lessons are widely available. But if you’d rather just sit back and watch then head to one of the milongas and experience an authentic tango in motion.
  • If you’re after a little something different to take home with you then you’re in the right place. Weekend markets are a favourite among visitors and the Feria de Mataderos in the Mataderos barrio is the most exceptional one. Another great place to visit is the Librería Alberto Casares where you can spend endless hours rummaging through the bookstore’s impressive collection of antique books and old maps.
  • One of the things you’ll notice is the Argentines’ obsession with football. If there is a game going on while you’re there, book a seat in the platea section and watch the amusing fans sing, jump, and sometimes even fight.
  • Can I find cheaper flights to Buenos Aires if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Buenos Aires on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Buenos Aires?

    Based on reviews from Cheapflights users, KLM is rated the highest out of the airlines that fly to Buenos Aires.

  • What is the cheapest airport to fly to in Buenos Aires?

    Buenos Aires Jorge Newbery is currently the cheapest airport to fly to in Buenos Aires. One-way flights to Buenos Aires Jorge Newbery typically cost £15, while return flights cost around £190.

  • How much is a return flight to Buenos Aires?

    A return flight to Buenos Aires will typically cost around £192, however they can be found for as little as £190.

  • Where does the fastest flight to Buenos Aires depart from?

    For those looking to save time traveling to Buenos Aires, Birmingham offers the quickest one-way flight (16 hours 10 minutes).

  • Does Buenos Aires Ministro Pistarini have car hire?

    Yes. Those touching down at Buenos Aires Ministro Pistarini can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Buenos Aires Ministro Pistarini?

    Yes. Buenos Aires Ministro Pistarini has hotels nearby for those requiring accommodations. My pod Capsule Boutique Airport is the closest property to Buenos Aires Ministro Pistarini (0.0 mi away from Buenos Aires Ministro Pistarini).

See more FAQs

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

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Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Buenos Aires today and book when you’re ready!

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