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Cheap flights from London to Buenos Aires from $558

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 3/30. 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 round-trip flights

These are some of the best round-trip 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 layovers.

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.
7:35 pm - 8:25 pmLHR-EZE
27h 50m1 stop
4:25 pm - 5:00 pmEZE-LHR
21h 35m1 stop
ti, tammi 7 - ke, helmi 26
3:00 pm - 3:25 pmLHR-EZE
27h 25m2 stops
5:00 pm - 6:30 amEZE-LHR
34h 30m2 stops
$964Air Canada
Find Deal
ti, helmi 18 - ti, helmi 25
5:25 pm - 7:35 amLGW-EZE
18h 10m1 stop
12:15 pm - 4:25 pmEZE-LGW
24h 10m1 stop
$1,058Air Europa
Find Deal
ma, Touko 5 - ti, Touko 20
5:25 pm - 7:35 amLGW-EZE
18h 10m1 stop
12:15 pm - 4:25 pmEZE-LGW
24h 10m1 stop
$1,064Air Europa
Find Deal
ma, Touko 5 - ti, Touko 20
10:00 pm - 10:35 amLHR-EZE
16h 35m1 stop
12:15 pm - 8:10 amEZE-LHR
15h 55m1 stop
$1,075British Airways
Find Deal
ma, Touko 12 - ma, kesä 2
7:40 pm - 5:25 pmLHR-EZE
24h 45m1 stop
10:35 pm - 4:35 pmEZE-LHR
15h 00m1 stop
$1,076British Airways
Find Deal
la, tammi 25 - ti, helmi 11
3:35 pm - 11:05 amLHR-EZE
22h 30m1 stop
10:30 pm - 6:20 amEZE-LHR
28h 50m1 stop
$1,104American Airlines
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ti, helmi 4 - to, helmi 13
12:35 pm - 7:45 amLHR-EZE
22h 10m1 stop
8:30 pm - 10:10 pmEZE-LHR
22h 40m2 stops
$1,108American Airlines
Find Deal
su, maalis 9 - ma, maalis 17
5:30 pm - 6:25 amLHR-EZE
16h 55m1 stop
4:40 pm - 3:40 pmEZE-LHR
19h 00m1 stop
$1,159Lufthansa
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ma, Touko 12 - su, kesä 8
5:30 pm - 6:25 amLHR-EZE
16h 55m1 stop
4:40 pm - 3:40 pmEZE-LHR
19h 00m1 stop
$1,208Lufthansa
Find Deal
ma, Touko 5 - ti, Touko 20
9:55 am - 10:15 amLHR-EZE
28h 20m1 stop
su, maalis 30
7:55 am - 4:05 pmLGW-EZE
35h 10m2 stops
su, tammi 26
8:55 pm - 10:03 pmLGW-EZE
52h 08m3 stops
su, tammi 26
9:50 am - 11:10 amLGW-EZE
28h 20m1 stop
$705Vueling
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su, tammi 26
9:20 am - 7:20 amLHR-EZE
25h 00m1 stop
$711United Airlines
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la, tammi 25
9:10 am - 7:20 amLHR-EZE
25h 10m2 stops
$712United Airlines
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ke, tammi 22
10:00 am - 8:50 amLGW-EZE
25h 50m1 stop
$884Air Europa
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ke, helmi 19
10:00 am - 8:50 amLGW-EZE
25h 50m1 stop
$1,140Air Europa
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ke, helmi 5
5:00 pm - 6:25 amLCY-EZE
17h 25m1 stop
$1,536Lufthansa
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pe, kesä 13
9:15 am - 6:25 amLCY-EZE
25h 10m1 stop
$1,561Lufthansa
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pe, kesä 13
6:30 am - 9:00 amLHR-EZE
29h 30m2 stops
8:10 pm - 8:05 amEZE-LHR
31h 55m2 stops
$1,141Delta
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pe, joulu 27 - la, Touko 24
12:30 pm - 7:15 amLHR-EZE
21h 45m1 stop
8:10 pm - 8:05 amEZE-LHR
31h 55m2 stops
$1,148Delta
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pe, joulu 27 - la, Touko 24
6:20 am - 8:25 pmLHR-EZE
17h 05m1 stop
4:25 pm - 5:00 pmEZE-LHR
21h 35m1 stop
$1,277
Find Deal
su, joulu 29 - to, tammi 16
8:25 pm - 8:25 pmLHR-EZE
27h 00m2 stops
10:45 pm - 9:25 pmEZE-LHR
19h 40m1 stop
$1,287
Find Deal
ke, joulu 25 - ti, tammi 21
5:30 pm - 7:55 amLHR-EZE
17h 25m1 stop
5:50 pm - 12:45 pmEZE-LHR
15h 55m1 stop
$2,196Lufthansa
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to, joulu 26 - ma, tammi 6
5:25 pm - 8:50 amLGW-EZE
18h 25m1 stop
1:15 pm - 4:25 pmEZE-LGW
24h 10m1 stop
$2,289Air Europa
Find Deal
la, joulu 28 - ti, joulu 31
5:25 pm - 8:50 amLGW-EZE
18h 25m1 stop
1:15 pm - 9:00 amEZE-LGW
16h 45m1 stop
$2,364Air Europa
Find Deal
la, joulu 28 - to, tammi 16
6:30 pm - 7:55 amLHR-EZE
16h 25m1 stop
5:50 pm - 12:45 pmEZE-LHR
15h 55m1 stop
$2,485Lufthansa
Find Deal
ke, joulu 25 - ma, tammi 6
7:35 pm - 5:25 pmLGW-EZE
24h 50m1 stop
10:45 pm - 6:50 pmEZE-LGW
17h 05m1 stop
$9,344British Airways
Find Deal
la, joulu 28 - ke, tammi 15
7:35 pm - 5:25 pmLGW-EZE
24h 50m1 stop
10:45 pm - 6:50 pmEZE-LGW
17h 05m1 stop
$9,359British Airways
Find Deal
la, joulu 28 - ke, tammi 15

Air France flights from London to Buenos Aires

Our best Air France deals on London to Buenos Aires flight tickets
Air France
Mar 9
LHR6:20 amLondon Heathrow
17h 05m
1 stop
EZE8:25 pmBuenos Aires Ministro Pistarini
Mar 17
EZE10:45 pmBuenos Aires Ministro Pistarini
16h 35m
1 stop
LHR6:20 pmLondon Heathrow
Air France
Jan 30
LHR7:35 pmLondon Heathrow
27h 50m
1 stop
EZE8:25 pmBuenos Aires Ministro Pistarini
Feb 15
EZE10:45 pmBuenos Aires Ministro Pistarini
19h 40m
1 stop
LHR9:25 pmLondon Heathrow
Air France
Jan 3
LHR6:20 amLondon Heathrow
17h 05m
1 stop
EZE8:25 pmBuenos Aires Ministro Pistarini
Jan 22
EZE10:45 pmBuenos Aires Ministro Pistarini
16h 35m
1 stop
LHR6:20 pmLondon Heathrow

British Airways flights from London to Buenos Aires

Our best British Airways deals on London to Buenos Aires flight tickets
British Airways
May 12
LHR10:00 pmLondon Heathrow
16h 35m
1 stop
EZE10:35 amBuenos Aires Ministro Pistarini
Jun 2
EZE12:15 pmBuenos Aires Ministro Pistarini
15h 55m
1 stop
LHR8:10 amLondon Heathrow
British Airways
Jan 25
LHR7:40 pmLondon Heathrow
24h 45m
1 stop
EZE5:25 pmBuenos Aires Ministro Pistarini
Feb 11
EZE10:35 pmBuenos Aires Ministro Pistarini
15h 00m
1 stop
LHR4:35 pmLondon Heathrow
British Airways
Jan 25
LHR7:40 pmLondon Heathrow
24h 45m
1 stop
EZE5:25 pmBuenos Aires Ministro Pistarini
Feb 11
EZE10:35 pmBuenos Aires Ministro Pistarini
15h 40m
1 stop
LHR5:15 pmLondon Heathrow

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?

The cheapest month to fly to Buenos Aires from London is in May. Flight prices, which tend to average around $1,038, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Buenos Aires from London during January instead. Flights to Buenos Aires in January, while not as cheap as those in May, still average around $1,068.

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

On average, the least expensive day to fly to Buenos Aires from London is on a Monday. momondo users have found tickets for Monday departures for as low as $1,123. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Tuesday is $1,355.

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 $1,156. Try not to purchase tickets at noon because they tend to be around $1,377. Of course, these prices can vary depending on the time of year and what airport you fly to.

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?

Most flyers found that booking tickets 6 days in advance of their planned departure date is the best time to get cheap flights to Buenos Aires. During this timeframe, flight prices are around $1,246. 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 $925.

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.

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

You could potentially save up to 7% 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 round-trip 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

$558

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 $558. The best round-trip flight deal from London to Buenos Aires found on momondo in the last 72 hours is $950.
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?

    Buenos Aires is 6909.8 mi away from London. A reasonable flight in good conditions will take 15h 40m.

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

    Prices for flights from London to Buenos Aires refresh daily.

  • 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 travel and health documents required for your trip to Buenos Aires can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Buenos Aires. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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
British AirwaysPriceFrom $1,006Free CancellationRating
6.6
6,813 reviews
Search British Airways flights
  • British Airways Flights From London to Buenos Aires

    Across 6 British Airways flights from London to Buenos Aires this week, the average price was $1,412, with the best British Airways deals starting from $1,006 round-trip. 6,813 users have rated British Airways on momondo, with an average score of 6.6/10.


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?

All flight searches from London to Buenos Aires on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Buenos Aires.

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

If you are simply researching potential flights to Buenos Aires, momondo offers a useful price alert feature which will track prices for flights to Buenos Aires from London and alert you when they change.


An easier way to manage your Buenos Aires trip

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Fly into one of these airports located in Buenos Aires

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