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Cheap flights from London to Buenos Aires from $679

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 4/2. 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.
8:25 pm - 8:25 pmLHR-EZE
27h 00m2 stops
10:45 pm - 9:25 pmEZE-LHR
19h 40m1 stop
Thu, Mar 20 - Mon, Mar 24
8:25 pm - 8:25 pmLHR-EZE
27h 00m2 stops
10:45 pm - 8:50 pmEZE-LHR
19h 05m2 stops
$850KLM
Find Deal
Thu, Mar 20 - Mon, Mar 24
5:25 pm - 7:35 amLGW-EZE
18h 10m1 stop
12:15 pm - 4:25 pmEZE-LGW
24h 10m1 stop
$896Air Europa
Find Deal
Mon, May 5 - Tue, May 20
5:25 pm - 8:50 amLGW-EZE
18h 25m1 stop
1:15 pm - 9:00 amEZE-LGW
16h 45m1 stop
$944Air Europa
Find Deal
Wed, Mar 12 - Tue, Mar 25
3:35 pm - 10:50 amLHR-EZE
22h 15m1 stop
10:05 pm - 6:50 amEZE-LHR
29h 45m1 stop
$1,065American Airlines
Find Deal
Wed, Mar 12 - Mon, Mar 17
11:45 am - 7:00 amLHR-EZE
22h 15m1 stop
9:00 pm - 10:10 pmEZE-LHR
22h 10m1 stop
$1,113American Airlines
Find Deal
Thu, Dec 5 - Mon, Dec 9
10:00 am - 7:55 amLCY-EZE
24h 55m1 stop
5:50 pm - 4:40 pmEZE-LCY
19h 50m1 stop
$1,189Lufthansa
Find Deal
Wed, Jan 1 - Wed, Mar 19
10:10 pm - 11:50 amLHR-EZE
16h 40m1 stop
10:45 pm - 5:15 pmEZE-LHR
15h 30m1 stop
$1,194British Airways
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Thu, Jan 2 - Fri, Mar 14
10:00 am - 7:55 amLCY-EZE
24h 55m1 stop
5:50 pm - 4:40 pmEZE-LCY
19h 50m1 stop
$1,225Lufthansa
Find Deal
Mon, Dec 30 - Wed, Mar 19
8:00 pm - 4:25 pmLHR-EZE
24h 25m1 stop
12:00 pm - 9:10 amEZE-LHR
17h 10m1 stop
$1,272British Airways
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Sat, Apr 12 - Fri, Apr 25
10:00 am - 7:35 amLGW-EZE
25h 35m1 stop
$679Air Europa
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Wed, Apr 2
9:20 am - 9:20 amLHR-EZE
27h 00m1 stop
$714United Airlines
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Wed, Dec 4
9:55 am - 11:10 amLHR-EZE
28h 15m1 stop
Sun, Jan 26
9:05 pm - 5:55 pmLGW-EZE
23h 50m1 stop
Sat, Mar 22
4:55 pm - 10:25 pmLGW-EZE
32h 30m2 stops
$954Turkish Airlines
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Mon, Jan 20
5:55 am - 10:25 pmLGW-EZE
43h 30m2 stops
$957Turkish Airlines
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Fri, Dec 27
7:40 pm - 5:25 pmLHR-EZE
24h 45m1 stop
$1,682British Airways
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Wed, Dec 18
10:00 am - 7:55 amLCY-EZE
24h 55m1 stop
$1,824Lufthansa
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Mon, Feb 24
7:40 pm - 5:25 pmLHR-EZE
24h 45m1 stop
$1,883British Airways
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Sat, Dec 21
10:00 am - 7:55 amLCY-EZE
24h 55m1 stop
$2,028Lufthansa
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Wed, Dec 18
10:10 pm - 11:50 amLHR-EZE
16h 40m1 stop
1:35 pm - 8:35 amEZE-LHR
16h 00m1 stop
$1,142British Airways
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Fri, Nov 22 - Thu, Dec 19
8:50 am - 9:00 amLHR-EZE
27h 10m2 stops
10:25 pm - 6:55 amEZE-LHR
29h 30m2 stops
$1,156Delta
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Fri, Nov 22 - Mon, Dec 9
5:25 pm - 8:50 amLGW-EZE
18h 25m1 stop
1:15 pm - 4:25 pmEZE-LGW
24h 10m1 stop
$1,451Air Europa
Find Deal
Fri, Nov 22 - Mon, Dec 9
5:25 pm - 8:50 amLGW-EZE
18h 25m1 stop
1:15 pm - 9:00 amEZE-LGW
16h 45m1 stop
$1,476Air Europa
Find Deal
Sat, Nov 23 - Thu, Dec 19
8:05 pm - 12:00 pmLHR-AEP
42h 55m2 stops
2:55 pm - 1:00 pmAEP-LHR
19h 05m2 stops
$1,541SWISS
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Fri, Nov 22 - Thu, Feb 6
8:05 pm - 12:00 pmLHR-AEP
42h 55m2 stops
2:55 pm - 7:15 pmAEP-LHR
25h 20m2 stops
$1,611SWISS
Find Deal
Fri, Nov 22 - Mon, Nov 25
9:40 pm - 12:15 amLHR-EZE
29h 35m1 stop
1:45 am - 2:35 pmEZE-LHR
33h 50m1 stop
$1,613Avianca
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Tue, Nov 26 - Mon, Dec 2
6:55 pm - 8:25 pmLCY-EZE
28h 30m2 stops
4:25 pm - 6:25 pmEZE-LCY
23h 00m1 stop
$1,706KLM
Find Deal
Fri, Nov 22 - Mon, Dec 23
6:10 pm - 7:00 amLCY-EZE
15h 50m1 stop
4:25 pm - 4:35 pmEZE-LCY
21h 10m1 stop
$1,848KLM
Find Deal
Fri, Nov 22 - Mon, Dec 23
9:40 pm - 12:15 amLHR-EZE
29h 35m1 stop
1:45 am - 2:35 pmEZE-LHR
33h 50m1 stop
$7,303Avianca
Find Deal
Tue, Nov 26 - Mon, Dec 2

KLM flights from London to Buenos Aires

Our best KLM deals on London to Buenos Aires flight tickets
KLM
Mar 20
LHR8:25 pmLondon Heathrow
27h 00m
2 stops
EZE8:25 pmBuenos Aires Ministro Pistarini
Mar 24
EZE10:45 pmBuenos Aires Ministro Pistarini
19h 05m
2 stops
LHR8:50 pmLondon Heathrow
KLM
Mar 19
LHR5:50 pmLondon Heathrow
16h 10m
1 stop
EZE7:00 amBuenos Aires Ministro Pistarini
Mar 23
EZE10:45 pmBuenos Aires Ministro Pistarini
19h 05m
2 stops
LHR8:50 pmLondon Heathrow
KLM
Apr 23
LCY10:00 amLondon City
23h 10m
1 stop
EZE5:10 amBuenos Aires Ministro Pistarini
May 21
EZE2:35 pmBuenos Aires Ministro Pistarini
24h 00m
1 stop
LCY6:35 pmLondon City

Turkish Airlines flights from London to Buenos Aires

Our best Turkish Airlines deals on London to Buenos Aires flight tickets
Turkish Airlines
Mar 12
LHR6:35 amLondon Heathrow
42h 50m
2 stops
EZE10:25 pmBuenos Aires Ministro Pistarini
Mar 17
EZE11:55 pmBuenos Aires Ministro Pistarini
36h 00m
2 stops
LHR2:55 pmLondon Heathrow
Turkish Airlines
Jan 15
LGW10:15 amLondon Gatwick
39h 10m
2 stops
EZE10:25 pmBuenos Aires Ministro Pistarini
Feb 12
EZE11:55 pmBuenos Aires Ministro Pistarini
37h 05m
2 stops
LGW4:00 pmLondon Gatwick
Turkish Airlines
Mar 13
LGW4:55 pmLondon Gatwick
32h 30m
2 stops
EZE10:25 pmBuenos Aires Ministro Pistarini
Mar 23
EZE11:55 pmBuenos Aires Ministro Pistarini
30h 25m
2 stops
LGW9:20 amLondon 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?

The cheapest month to fly to Buenos Aires from London is in May. Flight prices, which tend to average around $1,048, 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 $1,066.

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 Sunday. momondo users have found tickets for Sunday departures for as low as $1,105. 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 $1,152. 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 40 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 $1,158. 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 $1,048.

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?

No. A direct flight is the cheapest option for a flight between London to Buenos Aires.

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

As of November 2024, prices for London to Buenos Aires flights are approximately 4% cheaper 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

$679

Fastest flight time

15h 50m

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 $679. The best round-trip flight deal from London to Buenos Aires found on momondo in the last 72 hours is $829.
The fastest flight from London to Buenos Aires takes 15h 50m
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?

    Buenos Aires is 6909.8 mi away from London. A reasonable flight in good conditions will take 15h 50m.

  • 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
6,831 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. 6,831 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.


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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