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Cheap flights from London to Buenos Aires from €667

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 4/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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 return train or bus tickets from London to Buenos Aires.

All return flight deals from London to Buenos Aires

The cheapest plane tickets from London to Buenos Aires found on KAYAK recently.
17:25 - 08:50LGW-EZE
18h 25m1 stop
12:15 - 09:00EZE-LGW
16h 45m1 stop
€899Air Europa
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Mon, 24 Mar - Fri, 4 Apr
17:25 - 08:50LGW-EZE
18h 25m1 stop
12:15 - 09:00EZE-LGW
16h 45m1 stop
€934Air Europa
Find Deal
Mon, 24 Mar - Wed, 9 Apr
18:30 - 07:55LHR-EZE
16h 25m1 stop
16:40 - 19:40EZE-LHR
23h 00m2 stops
€1,038Lufthansa
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Sat, 22 Mar - Mon, 31 Mar
20:00 - 16:20LHR-EZE
24h 20m1 stop
12:15 - 08:10EZE-LHR
15h 55m1 stop
€1,050British Airways
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Sun, 6 Jul - Sat, 20 Sep
13:35 - 09:20LHR-EZE
46h 45m2 stops
23:55 - 11:05EZE-LHR
32h 10m2 stops
€1,060United Airlines
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Tue, 4 Feb - Thu, 20 Feb
18:30 - 07:55LHR-EZE
16h 25m1 stop
16:40 - 19:40EZE-LHR
23h 00m2 stops
€1,068Lufthansa
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Fri, 21 Mar - Mon, 31 Mar
06:30 - 09:00LHR-EZE
29h 30m2 stops
22:25 - 06:25EZE-LHR
29h 00m1 stop
€1,082Delta
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Mon, 17 Mar - Mon, 24 Mar
18:45 - 16:20LHR-EZE
25h 35m1 stop
12:15 - 07:55EZE-LHR
15h 40m1 stop
€1,086British Airways
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Sun, 6 Jul - Sun, 21 Sep
06:30 - 09:00LHR-EZE
29h 30m2 stops
22:25 - 06:25EZE-LHR
29h 00m1 stop
€1,092Delta
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Sun, 2 Feb - Fri, 7 Mar
09:20 - 07:20LHR-EZE
25h 00m1 stop
22:05 - 11:15EZE-LHR
34h 10m2 stops
€1,112United Airlines
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Mon, 17 Feb - Mon, 24 Feb
16:40 - 08:00LHR-EZE
43h 20m2 stops
€667United Airlines
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Sun, 4 May
16:20 - 07:20LHR-EZE
66h 00m2 stops
€674United Airlines
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Sun, 2 Feb
20:50 - 05:40LHR-AEP
35h 50m2 stops
€693
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Tue, 11 Feb
20:50 - 17:20LHR-EZE
24h 30m1 stop
€702
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Mon, 7 Apr
18:35 - 10:45LGW-EZE
20h 10m1 stop
€719SWISS
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Fri, 9 May
18:05 - 10:45LCY-EZE
20h 40m1 stop
€733SWISS
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Fri, 9 May
22:05 - 00:10LHR-EZE
30h 05m1 stop
€768Avianca
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Thu, 29 May
22:05 - 05:40LHR-AEP
35h 35m1 stop
€785Avianca
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Thu, 29 May
17:25 - 07:35LGW-EZE
18h 10m1 stop
€861Air Europa
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Sat, 19 Apr
17:25 - 07:35LGW-EZE
18h 10m1 stop
€863Air Europa
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Thu, 29 May
06:30 - 09:00LHR-EZE
29h 30m2 stops
22:25 - 06:55EZE-LHR
29h 30m2 stops
€1,088Delta
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Mon, 27 Jan - Mon, 10 Mar
08:40 - 09:00LHR-EZE
27h 20m2 stops
21:00 - 07:05EZE-LHR
31h 05m2 stops
€1,102Delta
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Fri, 24 Jan - Sat, 15 Feb
12:30 - 09:00LHR-EZE
23h 30m1 stop
21:00 - 07:05EZE-LHR
31h 05m2 stops
€1,106Delta
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Fri, 24 Jan - Sat, 15 Feb
14:30 - 09:00LHR-EZE
21h 30m1 stop
21:00 - 07:55EZE-LHR
31h 55m1 stop
€1,137Delta
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Fri, 24 Jan - Sat, 15 Feb
19:35 - 08:40LGW-EZE
16h 05m1 stop
14:20 - 10:15EZE-LGW
16h 55m1 stop
€1,269British Airways
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Fri, 24 Jan - Fri, 7 Feb
17:45 - 11:50LCY-EZE
21h 05m2 stops
14:40 - 12:40EZE-LCY
19h 00m2 stops
€1,394SWISS
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Fri, 24 Jan - Sat, 15 Feb
18:40 - 11:50LHR-EZE
20h 10m2 stops
14:40 - 13:40EZE-LHR
44h 00m3 stops
€1,404SWISS
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Fri, 24 Jan - Sat, 15 Feb
20:05 - 07:00LCY-EZE
37h 55m1 stop
16:25 - 07:15EZE-LCY
35h 50m1 stop
€1,424KLM
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Sun, 26 Jan - Sun, 2 Feb
17:45 - 11:50LCY-EZE
21h 05m2 stops
17:50 - 16:40EZE-LCY
19h 50m1 stop
€1,481
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Fri, 24 Jan - Sat, 15 Feb
06:45 - 06:05LGW-EZE
26h 20m2 stops
01:45 - 12:25EZE-LGW
31h 40m2 stops
€1,676
Find Deal
Sat, 25 Jan - Mon, 24 Feb

Delta flights from London to Buenos Aires

Our best Delta deals on London to Buenos Aires flight tickets
Delta
17 Mar
LHR06:30London Heathrow
29h 30m
2 stops
EZE09:00Buenos Aires Ministro Pistarini
24 Mar
EZE22:25Buenos Aires Ministro Pistarini
29h 00m
1 stop
LHR06:25London Heathrow
€1,082
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Delta
27 Jan
LHR06:30London Heathrow
29h 30m
2 stops
EZE09:00Buenos Aires Ministro Pistarini
10 Mar
EZE22:25Buenos Aires Ministro Pistarini
29h 30m
2 stops
LHR06:55London Heathrow
€1,088
Find similar
Delta
2 Feb
LHR06:30London Heathrow
29h 30m
2 stops
EZE09:00Buenos Aires Ministro Pistarini
7 Mar
EZE22:25Buenos Aires Ministro Pistarini
29h 00m
1 stop
LHR06:25London Heathrow
€1,092
Find similar

ITA Airways flights from London to Buenos Aires

Our best ITA Airways deals on London to Buenos Aires flight tickets
ITA Airways
13 May
LCY08:30London City
18h 20m
1 stop
EZE22:50Buenos Aires Ministro Pistarini
29 May
EZE22:35Buenos Aires Ministro Pistarini
31h 30m
1 stop
LCY10:05London City
€1,155
Find similar
ITA Airways
13 May
LCY12:50London City
22h 40m
2 stops
EZE07:30Buenos Aires Ministro Pistarini
29 May
EZE12:55Buenos Aires Ministro Pistarini
23h 00m
2 stops
LCY15:55London City
€1,265
Find similar
ITA Airways
2 Feb
LCY16:40London City
19h 05m
1 stop
EZE08:45Buenos Aires Ministro Pistarini
7 Mar
EZE13:45Buenos Aires Ministro Pistarini
18h 15m
1 stop
LCY11:00London City
€1,438
Find similar

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 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 €999. If you aren’t able to travel to Buenos Aires during the month of May, then flying in June is also cheap. Prices for this month can be found on momondo for an average of €1,033.

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 €1,964.

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 €1,186.

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

You are more likely to see cheaper flights to Buenos Aires from London when booking 3 weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around €1,206 when searching 3 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from London for as low as €1,105 on momondo.

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

As of January 2025, prices for London to Buenos Aires flights are approximately 14% 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

€667

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 €667. The best return flight deal from London to Buenos Aires found on momondo in the last 72 hours is €899.
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 Gatwick Airport - Buenos Aires Ministro Pistarini Airport, London Heathrow Airport - Buenos Aires Jorge Newbery 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