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Cheap flights from London to Buenos Aires from €539

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Buenos Aires departing on 30/3. 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 London to Buenos Aires

Cheap return flights

These are some of the best return flight deals from London to Buenos Aires that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from London to Buenos Aires.

Cheap last-minute flights

Planning a quick getaway from London to Buenos Aires? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Buenos Aires, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from London to Buenos Aires

Find recent round-trip train or bus tickets from London to Buenos Aires.

All round-trip flight deals to Buenos Aires

The cheapest plane tickets to Buenos Aires found on KAYAK recently.
06:20 - 20:25LHR-EZE
17h 05m1 stop
22:45 - 20:50EZE-LHR
19h 05m2 stops
€927
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Tue, 7 Jan - Wed, 26 Feb
08:30 - 17:10LHR-AEP
36h 40m2 stops
13:35 - 06:35AEP-LHR
37h 00m2 stops
€943Air Canada
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Mon, 5 May - Tue, 20 May
17:25 - 07:35LGW-EZE
18h 10m1 stop
12:15 - 16:25EZE-LGW
24h 10m1 stop
€972Air Europa
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Mon, 5 May - Tue, 20 May
08:30 - 08:45LCY-EZE
27h 15m2 stops
13:45 - 11:00EZE-LCY
18h 15m1 stop
€1,014ITA Airways
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Sat, 8 Mar - Wed, 19 Mar
17:25 - 08:50LGW-EZE
18h 25m1 stop
12:15 - 09:00EZE-LGW
16h 45m1 stop
€1,017Air Europa
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Mon, 17 Mar - Tue, 1 Apr
19:40 - 16:00LHR-AEP
23h 20m2 stops
14:55 - 14:05AEP-LHR
20h 10m1 stop
€1,046LATAM Airlines
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Sat, 25 Jan - Mon, 10 Feb
15:45 - 07:00LHR-EZE
18h 15m1 stop
22:45 - 20:50EZE-LHR
19h 05m2 stops
€1,050KLM
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Wed, 12 Feb - Wed, 26 Feb
11:35 - 08:45LCY-EZE
24h 10m1 stop
13:45 - 11:00EZE-LCY
18h 15m1 stop
€1,059ITA Airways
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Sat, 8 Mar - Wed, 19 Mar
20:25 - 20:25LHR-EZE
27h 00m2 stops
16:25 - 16:05EZE-LHR
20h 40m1 stop
€1,061KLM
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Wed, 19 Mar - Sun, 23 Mar
19:40 - 09:02LHR-EZE
40h 22m2 stops
10:02 - 14:05EZE-LHR
25h 03m2 stops
€1,069LATAM Airlines
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Sat, 25 Jan - Mon, 10 Feb
09:55 - 10:15LHR-EZE
28h 20m1 stop
€539
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Sun, 30 Mar
09:55 - 11:10LHR-EZE
28h 15m1 stop
€540
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Thu, 20 Mar
09:55 - 11:10LHR-EZE
28h 15m1 stop
€603
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Tue, 18 Mar
08:00 - 09:20LHR-EZE
28h 20m2 stops
€800United Airlines
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Thu, 23 Jan
05:50 - 22:25LGW-EZE
43h 35m2 stops
€803Turkish Airlines
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Sun, 29 Dec
10:20 - 22:25LGW-EZE
39h 05m2 stops
€901Turkish Airlines
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Thu, 23 Jan
08:40 - 05:30LCY-EZE
24h 50m1 stop
€980KLM
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Sat, 5 Apr
17:25 - 08:50LGW-EZE
18h 25m1 stop
€1,316Air Europa
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Wed, 5 Feb
09:20 - 07:20LHR-EZE
25h 00m1 stop
€1,320United Airlines
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Mon, 24 Feb
13:45 - 07:00LCY-EZE
20h 15m1 stop
€2,006KLM
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Sun, 22 Dec
20:05 - 11:50LHR-EZE
42h 45m2 stops
07:00 - 21:40EZE-LHR
35h 40m2 stops
€1,767SWISS
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Thu, 19 Dec - Thu, 26 Dec
19:30 - 11:50LHR-EZE
43h 20m3 stops
07:00 - 21:40EZE-LHR
35h 40m2 stops
€1,801SWISS
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Thu, 19 Dec - Thu, 26 Dec
18:30 - 07:55LHR-EZE
16h 25m1 stop
13:30 - 13:00EZE-LHR
19h 30m2 stops
€1,841
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Wed, 18 Dec - Wed, 7 May
18:30 - 07:55LHR-EZE
16h 25m1 stop
13:30 - 13:00EZE-LHR
19h 30m2 stops
€1,847
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Wed, 18 Dec - Wed, 7 May
18:10 - 07:00LCY-EZE
15h 50m1 stop
14:35 - 16:40EZE-LCY
22h 05m1 stop
€1,966KLM
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Sun, 22 Dec - Tue, 6 May
18:10 - 07:00LCY-EZE
15h 50m1 stop
14:35 - 17:20EZE-LCY
22h 45m1 stop
€1,972KLM
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Sun, 22 Dec - Sun, 4 May
10:00 - 07:55LCY-EZE
24h 55m1 stop
16:45 - 16:25EZE-LCY
19h 40m1 stop
€1,984Lufthansa
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Wed, 18 Dec - Thu, 1 May
18:30 - 07:55LHR-EZE
16h 25m1 stop
17:50 - 15:50EZE-LHR
19h 00m2 stops
€1,984Lufthansa
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Wed, 18 Dec - Thu, 19 Dec
17:25 - 08:50LGW-EZE
18h 25m1 stop
12:15 - 09:00EZE-LGW
16h 45m1 stop
€2,096Air Europa
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Thu, 19 Dec - Mon, 5 May
17:25 - 08:50LGW-EZE
18h 25m1 stop
12:15 - 09:00EZE-LGW
16h 45m1 stop
€2,216Air Europa
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Wed, 18 Dec - Mon, 5 May

ITA Airways flights from London to Buenos Aires

Our best ITA Airways deals on London to Buenos Aires flight tickets
ITA Airways
8 Mar
LCY08:30London City
27h 15m
2 stops
EZE08:45Buenos Aires Ministro Pistarini
19 Mar
EZE13:45Buenos Aires Ministro Pistarini
18h 15m
1 stop
LCY11:00London City
€1,014
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ITA Airways
8 Mar
LCY11:35London City
24h 10m
1 stop
EZE08:45Buenos Aires Ministro Pistarini
19 Mar
EZE13:45Buenos Aires Ministro Pistarini
18h 15m
1 stop
LCY11:00London City
€1,059
Find similar
ITA Airways
8 Mar
LCY08:30London City
27h 15m
2 stops
EZE08:45Buenos Aires Ministro Pistarini
19 Mar
EZE13:45Buenos Aires Ministro Pistarini
19h 55m
2 stops
LCY12:40London City
€1,079
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Iberia flights from London to Buenos Aires

Our best Iberia deals on London to Buenos Aires flight tickets
Iberia
25 Jan
LHR19:40London Heathrow
24h 45m
1 stop
EZE17:25Buenos Aires Ministro Pistarini
10 Feb
EZE22:35Buenos Aires Ministro Pistarini
15h 40m
1 stop
LHR17:15London Heathrow
€1,056
Find similar
Iberia
25 Jan
LGW19:35London Gatwick
24h 50m
1 stop
EZE17:25Buenos Aires Ministro Pistarini
10 Feb
EZE14:20Buenos Aires Ministro Pistarini
16h 55m
1 stop
LGW10:15London Gatwick
€1,128
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See travel insights to Buenos Aires from

How to get the cheapest flight ticket from London to Buenos Aires

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 typical price of a round-trip flight between London and Buenos Aires?

What is the cheapest month to fly to Buenos Aires?

In general, May is the cheapest month to fly from London to Buenos Aires. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €982. If you aren’t able to travel to Buenos Aires during the month of May, then flying in January is also cheap. Prices for this month can be found on momondo for an average of €1,013.

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

According to our data, Wednesday is the cheapest day to fly to Buenos Aires from London. The lowest ticket price found for a Wednesday departure recently was €0. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Buenos Aires is Thursday, with ticket prices averaging around €1,942.

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

Our data shows that the cheapest London to Buenos Aires flights are usually those with departure times in the morning. Our users have found flights to Buenos Aires in the morning for as low as €0. In contrast, the most expensive time of day to depart to Buenos Aires is in the evening when prices are around €1,173.

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

The ideal time to book your flight to Buenos Aires is 40 days in advance, when prices tend to average €1,108. Keep in mind that you might also find cheap flights to Buenos Aires outside of this time window. In fact, momondo users recently found flights from London to Buenos Aires for €938.

Can stopping save me money on London to Buenos Aires flights?

You could potentially save up to 32% on your flight if you consider stops on a London to Buenos Aires flight.

How have London to Buenos Aires flight prices changed over time?

As of December 2024, prices for London to Buenos Aires flights are approximately 4% more expensive when compared to flights at the same time last year.

When to book flights from London to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from London to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Buenos Aires (LON to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Buenos Aires

Best price found

€539

Fastest flight time

15h 40m

Direct flights

None

Airports in Buenos Aires

2 airports
The best one-way flight to Buenos Aires from London in the past 72 hours is €539. The best return flight deal from London to Buenos Aires found on momondo in the last 72 hours is €927.
The fastest flight from London to Buenos Aires takes 15h 40m
There are no direct flights from London to Buenos Aires. Popular non-direct routes for this connection are London City Airport - Buenos Aires Ministro Pistarini Airport, London Gatwick Airport - Buenos Aires Ministro Pistarini Airport and London Heathrow Airport - Buenos Aires Ministro Pistarini Airport.
There are 2 airports near Buenos Aires: Buenos Aires Ministro Pistarini (EZE), Buenos Aires Jorge Newbery (AEP)

  • How far is London to Buenos Aires by plane?

    London and Buenos Aires are 11120.2 km apart from one another. By plane, this route typically takes 15h 40m.

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

    Prices for flights from London to Buenos Aires were last updated today.

  • How old do you have to be to fly from London to Buenos Aires?

    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 from London to Buenos Aires.

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

    The necessary travel and health documents for your Buenos Aires 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 licence 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.

  • What is the most popular plane model from London to Buenos Aires?

  • What is the most popular airline from London to Buenos Aires?


Why use momondo?

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

Finding the right flight to Buenos Aires from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that 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.

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

Yes. All flights to Buenos Aires from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Buenos Aires?

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

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

Yes momondo offers price alerts on flights to Buenos Aires from London. 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.


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Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 27.4 km from Buenos Aires