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Cheap flights from London to Buenos Aires from £375

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 7/5. 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.
06:30 - 19:50LTN-EZE
40h 20m2 stops
13:45 - 22:25EZE-LTN
29h 40m2 stops
Mon, 17 Mar - Tue, 25 Mar
08:30 - 19:50LCY-EZE
38h 20m1 stop
22:00 - 11:00EZE-LCY
34h 00m1 stop
£679ITA Airways
Find Deal
Mon, 17 Mar - Tue, 25 Mar
10:00 - 07:35LGW-EZE
25h 35m1 stop
12:15 - 16:25EZE-LGW
24h 10m1 stop
£692Air Europa
Find Deal
Tue, 20 May - Tue, 10 Jun
17:25 - 07:35LGW-EZE
18h 10m1 stop
12:15 - 16:25EZE-LGW
24h 10m1 stop
£696Air Europa
Find Deal
Tue, 20 May - Tue, 10 Jun
11:00 - 17:25LGW-EZE
33h 25m1 stop
21:30 - 20:00EZE-LGW
18h 30m1 stop
£789Iberia
Find Deal
Tue, 18 Feb - Mon, 16 Jun
11:00 - 17:25LGW-EZE
33h 25m1 stop
21:30 - 20:00EZE-LGW
18h 30m1 stop
£792Iberia
Find Deal
Tue, 18 Feb - Tue, 17 Jun
09:20 - 07:20LHR-EZE
25h 00m1 stop
23:55 - 07:30EZE-LHR
28h 35m1 stop
£834Lufthansa
Find Deal
Mon, 3 Feb - Mon, 10 Feb
11:25 - 08:40LHR-EZE
24h 15m1 stop
19:10 - 16:05EZE-LHR
17h 55m1 stop
£859British Airways
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Thu, 27 Feb - Thu, 27 Mar
17:25 - 09:10LHR-EZE
18h 45m1 stop
14:20 - 12:05EZE-LHR
18h 45m1 stop
£869British Airways
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Wed, 12 Feb - Wed, 5 Mar
09:10 - 07:20LHR-EZE
25h 10m2 stops
22:05 - 07:30EZE-LHR
30h 25m1 stop
£878Lufthansa
Find Deal
Tue, 4 Feb - Thu, 20 Feb
17:25 - 18:13LGW-EZE
28h 48m2 stops
Wed, 7 May
18:05 - 18:13LGW-EZE
28h 08m2 stops
Wed, 23 Apr
19:05 - 14:25STN-EZE
22h 20m2 stops
Sat, 22 Mar
20:50 - 17:55LHR-EZE
24h 05m1 stop
£496Iberia
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Sat, 22 Mar
20:50 - 11:10LHR-EZE
17h 20m1 stop
£544Iberia
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Tue, 18 Mar
17:30 - 06:25LHR-EZE
16h 55m1 stop
£620Lufthansa
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Tue, 6 May
21:55 - 10:35LHR-EZE
16h 40mdirect
£667British Airways
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Sun, 30 Mar
10:00 - 07:35LGW-EZE
25h 35m1 stop
£676Air Europa
Find Deal
Sat, 10 May
10:00 - 07:35LGW-EZE
25h 35m1 stop
£682Air Europa
Find Deal
Tue, 8 Apr
18:15 - 07:55LCY-EZE
16h 40m1 stop
£941Lufthansa
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Tue, 18 Feb
15:00 - 15:25LHR-EZE
27h 25m2 stops
17:00 - 07:10EZE-LHR
35h 10m2 stops
£792Air Canada
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Sat, 25 Jan - Tue, 25 Feb
12:35 - 09:14LHR-EZE
23h 39m1 stop
23:59 - 09:40EZE-LHR
30h 41m1 stop
£869British Airways
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Sat, 25 Jan - Tue, 25 Feb
11:55 - 10:39LHR-EZE
25h 44m2 stops
21:00 - 20:00EZE-LHR
20h 00m1 stop
£874American Airlines
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Sat, 25 Jan - Tue, 25 Feb
10:15 - 06:59LHR-EZE
23h 44m2 stops
21:00 - 06:50EZE-LHR
30h 50m1 stop
£887Finnair
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Fri, 24 Jan - Fri, 7 Feb
20:15 - 09:40LHR-AEP
16h 25m1 stop
14:55 - 14:05AEP-LHR
20h 10m1 stop
£944LATAM Airlines
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Fri, 24 Jan - Fri, 7 Feb
13:15 - 08:45LCY-EZE
22h 30m2 stops
13:45 - 11:00EZE-LCY
18h 15m1 stop
£1,043ITA Airways
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Fri, 24 Jan - Fri, 7 Feb
19:40 - 16:00LHR-AEP
23h 20m2 stops
14:55 - 14:05AEP-LHR
20h 10m1 stop
£1,055LATAM Airlines
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Sat, 25 Jan - Tue, 25 Feb
13:15 - 08:45LCY-EZE
22h 30m2 stops
13:45 - 11:50EZE-LCY
19h 05m2 stops
£1,057ITA Airways
Find Deal
Fri, 24 Jan - Fri, 7 Feb
21:05 - 17:55LGW-EZE
23h 50m1 stop
14:20 - 10:15EZE-LGW
16h 55m1 stop
£1,069Iberia
Find Deal
Sat, 25 Jan - Tue, 25 Feb
21:45 - 17:55LGW-EZE
23h 10m1 stop
19:45 - 20:15EZE-LGW
21h 30m1 stop
£1,147Iberia
Find Deal
Fri, 24 Jan - Sat, 15 Feb
21:55 - 10:35LHR-EZE
16h 40mdirect
12:15 - 08:15EZE-LHR
16h 00mdirect
£980British Airways
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Sun, 29 Jun - Fri, 19 Sep
22:10 - 11:50LHR-EZE
16h 40mdirect
12:15 - 08:10EZE-LHR
15h 55mdirect
£1,117British Airways
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Tue, 25 Mar - Tue, 15 Apr
22:10 - 11:50LHR-EZE
16h 40mdirect
13:35 - 08:35EZE-LHR
16h 00mdirect
£1,122British Airways
Find Deal
Sat, 1 Feb - Thu, 13 Feb
22:00 - 10:35LHR-EZE
16h 35mdirect
12:15 - 08:10EZE-LHR
15h 55mdirect
£1,126British Airways
Find Deal
Mon, 16 Jun - Mon, 23 Jun
22:00 - 10:35LHR-EZE
16h 35mdirect
12:15 - 07:55EZE-LHR
15h 40mdirect
£1,135British Airways
Find Deal
Fri, 16 May - Sun, 1 Jun
22:00 - 10:35LHR-EZE
16h 35mdirect
12:15 - 08:10EZE-LHR
15h 55mdirect
£1,224British Airways
Find Deal
Fri, 25 Apr - Sat, 10 May
22:10 - 11:50LHR-EZE
16h 40mdirect
13:35 - 08:35EZE-LHR
16h 00mdirect
£1,378British Airways
Find Deal
Mon, 17 Feb - Mon, 24 Feb
22:10 - 11:50LHR-EZE
16h 40mdirect
13:35 - 08:35EZE-LHR
16h 00mdirect
£1,379British Airways
Find Deal
Fri, 7 Mar - Fri, 14 Mar
22:00 - 10:35LHR-EZE
16h 35mdirect
12:15 - 08:10EZE-LHR
15h 55mdirect
£1,479British Airways
Find Deal
Fri, 11 Apr - Mon, 21 Apr
22:10 - 11:50LHR-EZE
16h 40mdirect
13:35 - 08:35EZE-LHR
16h 00mdirect
£1,591British Airways
Find Deal
Fri, 28 Feb - Sat, 8 Mar

ITA Airways flights from London to Buenos Aires

Our best ITA Airways deals on London to Buenos Aires flight tickets
ITA Airways
17 Mar
LCY08:30London City
38h 20m
1 stop
EZE19:50Buenos Aires Ministro Pistarini
25 Mar
EZE22:00Buenos Aires Ministro Pistarini
34h 00m
1 stop
LCY11:00London City
ITA Airways
13 Mar
LCY08:30London City
38h 20m
1 stop
EZE19:50Buenos Aires Ministro Pistarini
25 Mar
EZE22:00Buenos Aires Ministro Pistarini
39h 10m
1 stop
LCY16:10London City
ITA Airways
21 Mar
LCY08:30London City
27h 15m
1 stop
EZE08:45Buenos Aires Ministro Pistarini
25 Mar
EZE22:00Buenos Aires Ministro Pistarini
39h 10m
1 stop
LCY16:10London City

Air Europa flights from London to Buenos Aires

Our best Air Europa deals on London to Buenos Aires flight tickets
Air Europa
20 May
LGW10:00London Gatwick
25h 35m
1 stop
EZE07:35Buenos Aires Ministro Pistarini
10 Jun
EZE12:15Buenos Aires Ministro Pistarini
24h 10m
1 stop
LGW16:25London Gatwick
Air Europa
20 May
LGW17:25London Gatwick
18h 10m
1 stop
EZE07:35Buenos Aires Ministro Pistarini
10 Jun
EZE12:15Buenos Aires Ministro Pistarini
24h 10m
1 stop
LGW16:25London Gatwick
Air Europa
24 Mar
LGW17:25London Gatwick
18h 25m
1 stop
EZE08:50Buenos Aires Ministro Pistarini
27 Mar
EZE13:15Buenos Aires Ministro Pistarini
16h 45m
1 stop
LGW09:00London Gatwick

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 £844. If you don’t want to visit Buenos Aires in May, then you should wait until June to fly from London, when ticket prices are also cheap, with an average price of £873.

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

The cheapest day to depart on your flight to Buenos Aires is on a Monday when prices can be found for as low as £904. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,020.

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

Our most recent data shows that the best time of day to fly to Buenos Aires is in the afternoon. Flights from London to Buenos Aires during this time can be as low as £898. Flights to Buenos Aires are more costly at midday, with an average ticket price of £1,055. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest London to Buenos Aires flight route?

Fly from London Heathrow to Buenos Aires Ministro Pistarini for the best London - Buenos Aires flight prices

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 £1,020 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 £934 on momondo.

What cabin class options are available on London to Buenos Aires flights?

There are 2 cabin classes available to choose from on London to Buenos Aires flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

£375

Fastest flight time

15h 40m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Buenos Aires

2 airports
The best one-way flight to Buenos Aires from London in the past 72 hours is £375. The best return flight deal from London to Buenos Aires found on momondo in the last 72 hours is £677.
The fastest flight from London to Buenos Aires takes 15h 40m
Direct flights go from London to Buenos Aires on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. Airline offering direct flights is British Airways..
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?

    The straight-line distance from London to Buenos Aires is 6909.8 mi. Typically, this will take 15h 40m by plane in normal conditions.

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

    Prices for flights from London to Buenos Aires are refreshed on a daily basis.

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

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

    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 London to Buenos Aires.

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

    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.

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

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


Best airlines flying from London to Buenos Aires

Compare and see reviews for airlines that fly from London to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
Air FrancePriceFrom £487Free CancellationRating
7.4
1,490 reviews
Search Air France flights
Air EuropaPriceFrom £639Free CancellationRating
6.9
537 reviews
Search Air Europa flights
Air CanadaPriceFrom £703Free CancellationRating
7.0
8,635 reviews
Search Air Canada flights
Turkish AirlinesPriceFrom £710Free CancellationRating
7.3
3,931 reviews
Search Turkish Airlines flights
IberiaPriceFrom £750Free CancellationRating
7.0
2,646 reviews
Search Iberia flights
LufthansaPriceFrom £766Free CancellationRating
6.7
7,111 reviews
Search Lufthansa flights
FinnairPriceFrom £804Free CancellationRating
7.6
1,286 reviews
Search Finnair flights
British AirwaysPriceFrom £808Free CancellationRating
6.6
6,834 reviews
Search British Airways flights
KLMPriceFrom £859Free CancellationRating
7.8
1,341 reviews
Search KLM flights
LATAM AirlinesPriceFrom £918Free CancellationRating
7.5
1,858 reviews
Search LATAM Airlines flights
  • British Airways Flights From London to Buenos Aires

    British Airways flight deals from London to Buenos Aires start from £993 round-trip. Over the 7 British Airways flights for this route in a normal week, average airfare is usually £1,280 round-trip - but some users have found much cheaper deals with momondo.


Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Buenos Aires . Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Buenos Aires from London which offer a flexible booking policy as well as other useful filters and features.

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

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 help filter your options to help you make an informed choice when booking flights to Buenos Aires from London.

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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Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires