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Cheap flights from London to Buenos Aires from £367

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 12/5. 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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0 bags

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Find the cheapest flights from London to Buenos Aires

Cheap return flights

Enter your travel dates to find the best prices.
Avianca Logo
22:05 - 05:40
LHR
-
AEP
35h 35m
1 stop
Avianca Logo
07:00 - 15:35
AEP
-
LHR
28h 35m
1 stop
£795Avianca
Mon, 21 Sep - Sun, 4 Oct
Avianca Logo
22:05 - 05:40
LHR
-
AEP
35h 35m
1 stop
Avianca Logo
07:00 - 15:35
AEP
-
LHR
28h 35m
1 stop
£799Avianca
Tue, 6 Oct - Tue, 20 Oct
Avianca Logo
22:05 - 05:40
LHR
-
AEP
35h 35m
1 stop
Avianca Logo
07:00 - 15:35
AEP
-
LHR
28h 35m
1 stop
£800Avianca
Tue, 23 Jun - Tue, 30 Jun
Avianca Logo
22:05 - 05:40
LHR
-
AEP
35h 35m
1 stop
Avianca Logo
07:00 - 15:35
AEP
-
LHR
28h 35m
1 stop
£801Avianca
Mon, 18 May - Mon, 25 May
Avianca Logo
22:05 - 05:40
LHR
-
AEP
35h 35m
1 stop
Avianca Logo
07:00 - 15:35
AEP
-
LHR
28h 35m
1 stop
£808Avianca
Wed, 27 May - Wed, 3 Jun
SWISS Logo
09:05 - 09:40
LGW
-
AEP
28h 35m
2 stops
SWISS Logo
12:55 - 17:50
AEP
-
LGW
24h 55m
2 stops
£851SWISS
Sun, 6 Sep - Sun, 27 Sep
Multiple Airlines Logo
06:00 - 04:20
LGW
-
AEP
26h 20m
2 stops
Multiple Airlines Logo
17:00 - 09:00
AEP
-
LGW
36h 00m
2 stops
£932Multiple Airlines
Wed, 10 Jun - Sat, 13 Jun
Multiple Airlines Logo
06:55 - 10:30
LGW
-
AEP
31h 35m
2 stops
Multiple Airlines Logo
11:45 - 20:10
AEP
-
LGW
28h 25m
2 stops
£941Multiple Airlines
Wed, 3 Jun - Tue, 16 Jun
SWISS Logo
19:05 - 12:00
LCY
-
AEP
19h 55m
2 stops
SWISS Logo
14:55 - 12:50
AEP
-
LCY
18h 55m
2 stops
£1,134SWISS
Mon, 26 Oct - Tue, 3 Nov
British Airways Logo
19:15 - 10:30
LCY
-
AEP
19h 15m
2 stops
British Airways Logo
10:20 - 15:15
AEP
-
LCY
24h 55m
2 stops
£1,286British Airways
Wed, 1 Jul - Sun, 5 Jul

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Avianca flights from London to Buenos Aires Jorge Newbery Airport

Our best Avianca deals on London to Buenos Aires Jorge Newbery Airport flight tickets
Avianca
21 Sept
LHR22:05London Heathrow
35h 35m
1 stop
AEP05:40Buenos Aires Jorge Newbery
4 Oct
AEP07:00Buenos Aires Jorge Newbery
28h 35m
1 stop
LHR15:35London Heathrow
£795
Avianca
6 Oct
LHR22:05London Heathrow
35h 35m
1 stop
AEP05:40Buenos Aires Jorge Newbery
20 Oct
AEP07:00Buenos Aires Jorge Newbery
28h 35m
1 stop
LHR15:35London Heathrow
£799
Avianca
23 Jun
LHR22:05London Heathrow
35h 35m
1 stop
AEP05:40Buenos Aires Jorge Newbery
30 Jun
AEP07:00Buenos Aires Jorge Newbery
28h 35m
1 stop
LHR15:35London Heathrow
£800

SWISS flights from London to Buenos Aires Jorge Newbery Airport

Our best SWISS deals on London to Buenos Aires Jorge Newbery Airport flight tickets
SWISS
6 Sept
LGW09:05London Gatwick
28h 35m
2 stops
AEP09:40Buenos Aires Jorge Newbery
27 Sept
AEP12:55Buenos Aires Jorge Newbery
24h 55m
2 stops
LGW17:50London Gatwick
£850
SWISS
6 Sept
LHR08:55London Heathrow
28h 45m
3 stops
AEP09:40Buenos Aires Jorge Newbery
27 Sept
AEP12:55Buenos Aires Jorge Newbery
28h 35m
3 stops
LHR21:30London Heathrow
£888
SWISS
6 Sept
LHR08:55London Heathrow
28h 45m
3 stops
AEP09:40Buenos Aires Jorge Newbery
27 Sept
AEP12:55Buenos Aires Jorge Newbery
20h 05m
2 stops
LHR13:00London Heathrow
£906

momondo Fare Finder

 
Customise your flight search to find flights from London to Buenos Aires Jorge Newbery Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 3 May 2026.
Use the filters below to find and compare flights from London to Buenos Aires Jorge Newbery Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Mon 21/9

22:05-05:40

1 stop35h 35m

Buenos Aires Jorge Newbery

Sun 4/10

07:00-15:35

1 stop28h 35m

£795

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Tue 6/10

22:05-05:40

1 stop35h 35m

Buenos Aires Jorge Newbery

Tue 20/10

07:00-15:35

1 stop28h 35m

£799

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Tue 23/6

22:05-05:40

1 stop35h 35m

Buenos Aires Jorge Newbery

Tue 30/6

07:00-15:35

1 stop28h 35m

£800

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Mon 18/5

22:05-05:40

1 stop35h 35m

Buenos Aires Jorge Newbery

Mon 25/5

07:00-15:35

1 stop28h 35m

£801

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Wed 27/5

22:05-05:40

1 stop35h 35m

Buenos Aires Jorge Newbery

Wed 3/6

07:00-15:35

1 stop28h 35m

£808

LondonBuenos Aires

LGW - AEP

LGWAEP

London Gatwick

Sun 6/9

09:05-09:40

2 stops28h 35m

Buenos Aires Jorge Newbery

Sun 27/9

12:55-17:50

2 stops24h 55m

£850

LondonBuenos Aires

LGW - AEP

LGWAEP

London Gatwick

Wed 10/6

06:00-04:20

2 stops26h 20m

Buenos Aires Jorge Newbery

Sat 13/6

17:00-09:00

2 stops36h 00m

£932

LondonBuenos Aires

LGW - AEP

LGWAEP

London Gatwick

Wed 3/6

06:55-10:30

2 stops31h 35m

Buenos Aires Jorge Newbery

Tue 16/6

11:45-20:10

2 stops28h 25m

£941
Fastest return journey

LondonBuenos Aires

LCY - AEP

LCYAEP

London City

Mon 26/10

19:05-12:00

2 stops19h 55m

Buenos Aires Jorge Newbery

Tue 3/11

14:55-12:50

2 stops18h 55m

£1,134

LondonBuenos Aires

LCY - AEP

LCYAEP

London City

Wed 1/7

19:15-10:30

2 stops19h 15m

Buenos Aires Jorge Newbery

Sun 5/7

10:20-15:15

2 stops24h 55m

£1,286

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from London to Buenos Aires Jorge Newbery Airport

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 Jorge Newbery Airport?

In general, May is the cheapest month to fly from London to Buenos Aires Jorge Newbery Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £0. If you aren’t able to travel to Buenos Aires Jorge Newbery Airport 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 £0.

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

You could potentially save up to 6% on your flight if you consider stops on a London to Buenos Aires Jorge Newbery Airport flight.

When to book flights from London to Buenos Aires Jorge Newbery Airport

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

Cheap London to Buenos Aires Jorge Newbery Airport (LON to AEP) flight deals and tips

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

Fastest flight time

16h 10m

Direct flights

None
The fastest flight from London to Buenos Aires Jorge Newbery Airport takes 16h 10m
There are no direct flights from London to Buenos Aires Jorge Newbery Airport. There are no popular flight routes from London to Buenos Aires Jorge Newbery Airport.
Search flight deals

Frequently asked questions about flying from London to Buenos Aires Jorge Newbery Airport

  • How far is London to Buenos Aires Jorge Newbery by plane?

    There are 6907.8 mi between London and Buenos Aires Jorge Newbery. Typically, this will take 16h 10m by plane in normal conditions.

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

    Prices for flights from London to Buenos Aires Jorge Newbery Airport are updated daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Buenos Aires Jorge Newbery Airport.

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

    The travel and health documents you'll need for your trip to Buenos Aires Jorge Newbery Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires Jorge Newbery Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from London to Buenos Aires Jorge Newbery Airport

Compare and see reviews for airlines that fly from London to Buenos Aires Jorge Newbery Airport with momondo
Airline
Rating
Free Cancellation
Price
LATAM AirlinesPriceFrom £835Free CancellationRating
7.4
1,913 reviews
Search LATAM Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Buenos Aires from London.

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

Flights from London to Buenos Aires with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for London to Buenos Aires flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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 Jorge Newbery Airport trip

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