Question 1

Why should I use momondo to find a flight deal to Buenos Aires?

Accepted Answer

Finding the right flight to Buenos Aires is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Buenos Aires quick and easy, saving you time and money.

Question 2

Can I find flights to Buenos Aires with flexible booking policies on momondo?

Accepted Answer

Flights to Buenos Aires with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

Question 3

How can momondo help me find flights to Buenos Aires?

Accepted Answer

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to Buenos Aires.

Question 4

I’m not ready to book a flight to Buenos Aires right now. Can momondo alert me if prices change?

Accepted Answer

Yes momondo offers price alerts on flights to Buenos Aires. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

Question 5

How far in advance should I book a flight to Buenos Aires?

Accepted Answer

You are more likely to see cheaper flights to Buenos Aires from United Kingdom when booking 50 days ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around £942 when searching 50 days out. In the past 72 hours, momondo users found flights from United Kingdom to Buenos Aires for as low as £762.

Question 6

Is there an alternative airport near Buenos Aires?

Accepted Answer

Finding an alternative and possibly cheaper destination airport near Buenos Aires is possible. If you are planning a flight to Buenos Aires, consider booking flights to Buenos Aires Jorge Newbery Airport (4 mi from Buenos Aires city centre).

Question 7

Is there a cheaper alternative to flying into Buenos Aires?

Accepted Answer

The cheapest airport near Buenos Aires is typically Buenos Aires Jorge Newbery Airport, with an average price of £160/person. These prices vary based on where travellers are coming from. It is suggested that travellers looking to save money try momondo’s Airport-to-Airport Pricing Tool.

Question 8

Are there flights to Colegiales?

Accepted Answer

Yes, you can get a flight to Buenos Aires Jorge Newbery airport in Buenos Aires (2.2 mi from Colegiales).

Question 9

What’s the closest airport to Hipódromo de Palermo?

Accepted Answer

At 0.9 mi away, Buenos Aires Jorge Newbery airport in Buenos Aires is the closest to Hipódromo de Palermo.

Question 10

Which airlines fly to Buenos Aires?

Accepted Answer

British Airways, Lufthansa, Iberia and Avianca are the most popular airlines that fly from United Kingdom to Buenos Aires on a routine basis, according to our data. You should be able to find flights to Buenos Aires with these airlines and other airlines flying from United Kingdom.

Question 11

KLM Flights to Buenos Aires

Accepted Answer

The most popular airline for flights to Buenos Aires on momondo is KLM, which operates 19 flights in this direction every week. Most depart out of Rio de Janeiro–Galeão Intl, with the best deal for KLM flights to Buenos Aires being £648 (round-trip, Birmingham to Buenos Aires, momondo searches within the last 72 hours). In 1,443 KLM reviews, it is rated 7.7 by momondo users.

Question 12

Finnair Flights to Buenos Aires

Accepted Answer

Another popular choice for flights to Buenos Aires is Finnair (7.6/10, 1,356 reviews). Most Finnair flights landing in Buenos Aires will be arriving from Madrid Barajas, but there are 17 Finnair flights to Buenos Aires from all departure points globally so prices can vary significantly. The best Finnair deal found on momondo this week was £734 (London Heathrow to Buenos Aires, round-trip).

Question 13

When did momondo last update prices for flights to Buenos Aires?

Accepted Answer

Prices for flights to Buenos Aires are updated daily.

Question 14

How many operators does momondo search for flights to Buenos Aires?

Accepted Answer

As of January 2026, there are 15 operators available to choose from for flights to Buenos Aires.

Question 15

How old do you have to be to fly to Buenos Aires?

Accepted Answer

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Buenos Aires.

Question 16

What documentation or ID do you need to fly to Buenos Aires?

Accepted Answer

The required travel and health documents for your Buenos Aires trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Question 17

What is the absolute cheapest flight to Buenos Aires?

Accepted Answer

£23 is the cheapest deal found on momondo in the last two weeks for a flight to Buenos Aires. This flight is from Puerto Iguazú and is 85% cheaper than most flights to Buenos Aires. To find the cheapest price to Buenos Aires from your area, use momondo’s Airport-to-Airport Pricing Tool.

Question 18

What is the cheapest day to depart on your flight to Buenos Aires?

Accepted Answer

The cheapest day to depart on your flight to Buenos Aires is on a Monday when prices can be found for as low as £952. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,123.

Question 19

How long does it take to fly to Buenos Aires?

Accepted Answer

Flight times from United Kingdom to Buenos Aires vary, but if you’re flying out of London Heathrow and flying into Buenos Aires Ministro Pistarini (one of the most popular routes), then the duration is 16h 45m on average. Another popular route from United Kingdom to Buenos Aires is flying from Manchester to Buenos Aires Ministro Pistarini, which will take roughly 19h 15m. Keep in mind that layovers or delays could extend your travel time.

Question 20

What is the cheapest month to fly to Buenos Aires?

Accepted Answer

In general, September is the cheapest month to fly from United Kingdom to Buenos Aires. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £845. If you don’t want to visit Buenos Aires in September, then you should wait until May to fly from United Kingdom, when ticket prices are also cheap, with an average price of £863.

Question 21

How far in advance should I book a flight to Buenos Aires?

Accepted Answer

You are more likely to see cheaper flights to Buenos Aires from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around £1,004 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from United Kingdom for as low as £838 on momondo.

CHEAPEST MONTH TO FLY TO BUENOS AIRES FROM LONDON HEATHROW AIRPORT	February	10% cheaper	Flying from London Heathrow Airport to Buenos Aires costs on average just £879 in February
MOST EXPENSIVE MONTH TO FLY TO BUENOS AIRES FROM LONDON HEATHROW AIRPORT	December	38% more expensive	It costs about £1,343 for flights to Buenos Aires from London Heathrow Airport in December
MOST POPULAR MONTH TO FLY TO BUENOS AIRES FROM LONDON HEATHROW AIRPORT	December	408% more users visited	More momondo users searched in flights to Buenos Aires from London Heathrow Airport in December than any other month

Best One-Way Price	£363
Best Round-Trip Price	£781
Fastest flight time	18h 30m
Popular in	December

£363 Cheap flights to Buenos Aires

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Buenos Aires departing on 28/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from the United Kingdom to Buenos Aires

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Recent direct flight deals from the United Kingdom to Buenos Aires

momondo Fare Finder

Use the filters below to find and compare flights to Buenos Aires that are best for you.

See travel insights to Buenos Aires from

Buenos Aires flights insights and trends

What is the cheapest month to fly to Buenos Aires?

What is the absolute cheapest flight to Buenos Aires?

£23 is the cheapest deal found on momondo in the last two weeks for a flight to Buenos Aires. This flight is from Puerto Iguazú and is 85% cheaper than most flights to Buenos Aires. To find the cheapest price to Buenos Aires from your area, use momondo’s Airport-to-Airport Pricing Tool.

See prices from:

What is the cheapest day to depart on your flight to Buenos Aires?

How far in advance should I book a flight to Buenos Aires?

How long does it take to fly to Buenos Aires?

Cheapest flights to Buenos Aires

Find the cheapest flights to Buenos Aires from your nearest city or airport

Cheap Buenos Aires flight deals and tips

Summary info about Buenos Aires flight prices, duration and airlines

Best One-Way Price

Best Round-Trip Price

Fastest flight time

Popular in

Frequently asked questions about flying to Buenos Aires

How far in advance should I book a flight to Buenos Aires?

Is there an alternative airport near Buenos Aires?

Is there a cheaper alternative to flying into Buenos Aires?

Are there flights to Colegiales?

What’s the closest airport to Hipódromo de Palermo?

When did momondo last update prices for flights to Buenos Aires?

How many operators does momondo search for flights to Buenos Aires?

How old do you have to be to fly to Buenos Aires?

What documentation or ID do you need to fly to Buenos Aires?

Why use momondo?

Why should I use momondo to find a flight deal to Buenos Aires?

Can I find flights to Buenos Aires with flexible booking policies on momondo?

How can momondo help me find flights to Buenos Aires?

I’m not ready to book a flight to Buenos Aires right now. Can momondo alert me if prices change?

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Buenos Aires

Popular Flights to Buenos Aires

Popular routes according to searches in the past day on momondo