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Cheap flights from London to Buenos Aires from £433

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 3/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 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.
Lufthansa Logo
07:25 - 09:25
LHR
-
AEP
30h 00m
2 stops
Lufthansa Logo
12:55 - 16:40
AEP
-
LHR
23h 45m
2 stops
£873Lufthansa
Fri, 4 Sep - Wed, 23 Sep
LATAM Airlines Logo
20:15 - 12:00
LHR
-
AEP
18h 45m
1 stop
LATAM Airlines Logo
14:55 - 14:05
AEP
-
LHR
20h 10m
1 stop
£886LATAM Airlines
Sat, 21 Nov - Fri, 27 Nov
LATAM Airlines Logo
20:15 - 12:00
LHR
-
AEP
18h 45m
1 stop
LATAM Airlines Logo
14:55 - 14:05
AEP
-
LHR
20h 10m
1 stop
£888LATAM Airlines
Sat, 21 Nov - Mon, 7 Dec
Multiple Airlines Logo
21:40 - 05:40
LHR
-
AEP
35h 00m
1 stop
Multiple Airlines Logo
05:45 - 14:05
AEP
-
LHR
29h 20m
2 stops
£890Multiple Airlines
Wed, 28 Oct - Tue, 10 Nov
Multiple Airlines Logo
06:00 - 10:50
LHR
-
AEP
31h 50m
2 stops
Multiple Airlines Logo
18:15 - 21:35
AEP
-
LHR
24h 20m
2 stops
£894Multiple Airlines
Fri, 6 Nov - Sat, 21 Nov
Avianca Logo
22:05 - 05:40
LHR
-
AEP
35h 35m
1 stop
Avianca Logo
07:00 - 14:35
AEP
-
LHR
28h 35m
1 stop
£899Avianca
Tue, 29 Sep - Tue, 27 Oct
TAP AIR PORTUGAL Logo
16:35 - 10:50
LGW
-
AEP
45h 15m
2 stops
TAP AIR PORTUGAL Logo
10:30 - 15:05
AEP
-
LGW
25h 35m
2 stops
£903TAP AIR PORTUGAL
Wed, 4 Nov - Wed, 2 Dec
TAP AIR PORTUGAL Logo
09:35 - 09:20
LGW
-
AEP
26h 45m
2 stops
TAP AIR PORTUGAL Logo
10:30 - 15:50
AEP
-
LGW
26h 20m
2 stops
£911TAP AIR PORTUGAL
Wed, 2 Dec - Thu, 10 Dec
SWISS Logo
18:40 - 12:00
LGW
-
AEP
20h 20m
2 stops
SWISS Logo
14:55 - 17:50
AEP
-
LGW
23h 55m
2 stops
£929SWISS
Wed, 18 Nov - Fri, 20 Nov
SWISS Logo
19:05 - 12:00
LCY
-
AEP
19h 55m
2 stops
SWISS Logo
14:55 - 12:50
AEP
-
LCY
18h 55m
2 stops
£947SWISS
Tue, 10 Nov - Thu, 26 Nov

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TAP AIR PORTUGAL flights from London to Buenos Aires Jorge Newbery Airport

Our best TAP AIR PORTUGAL deals on London to Buenos Aires Jorge Newbery Airport flight tickets
TAP AIR PORTUGAL
4 Nov
LHR18:30London Heathrow
43h 20m
2 stops
AEP10:50Buenos Aires Jorge Newbery
2 Dec
AEP13:35Buenos Aires Jorge Newbery
24h 55m
2 stops
LHR17:30London Heathrow
£903
TAP AIR PORTUGAL
2 Dec
LGW09:35London Gatwick
26h 45m
2 stops
AEP09:20Buenos Aires Jorge Newbery
10 Dec
AEP10:30Buenos Aires Jorge Newbery
26h 20m
2 stops
LGW15:50London Gatwick
£911
TAP AIR PORTUGAL
6 Nov
LHR08:15London Heathrow
29h 35m
2 stops
AEP10:50Buenos Aires Jorge Newbery
26 Nov
AEP11:50Buenos Aires Jorge Newbery
28h 05m
2 stops
LHR18:55London Heathrow
£916

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
29 Sept
LHR22:05London Heathrow
35h 35m
1 stop
AEP05:40Buenos Aires Jorge Newbery
27 Oct
AEP07:00Buenos Aires Jorge Newbery
28h 35m
1 stop
LHR14:35London Heathrow
£899
Avianca
27 Sept
LHR22:05London Heathrow
35h 35m
1 stop
AEP05:40Buenos Aires Jorge Newbery
4 Apr
AEP07:00Buenos Aires Jorge Newbery
28h 35m
1 stop
LHR15:35London Heathrow
£900
Avianca
29 Sept
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
£920

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 17 June 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

Fri 4/9

07:25-09:25

2 stops30h 00m

Buenos Aires Jorge Newbery

Wed 23/9

12:55-16:40

2 stops23h 45m

£873

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Sat 21/11

20:15-12:00

1 stop18h 45m

Buenos Aires Jorge Newbery

Fri 27/11

14:55-14:05

1 stop20h 10m

£886

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Sat 21/11

20:15-12:00

1 stop18h 45m

Buenos Aires Jorge Newbery

Mon 7/12

14:55-14:05

1 stop20h 10m

£888

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Wed 28/10

21:40-05:40

1 stop35h 00m

Buenos Aires Jorge Newbery

Tue 10/11

05:45-14:05

2 stops29h 20m

£890

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Fri 6/11

06:00-10:50

2 stops31h 50m

Buenos Aires Jorge Newbery

Sat 21/11

18:15-21:35

2 stops24h 20m

£894

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Tue 29/9

22:05-05:40

1 stop35h 35m

Buenos Aires Jorge Newbery

Tue 27/10

07:00-14:35

1 stop28h 35m

£899

LondonBuenos Aires

LGW - AEP

LGWAEP

London Gatwick

Wed 4/11

16:35-10:50

2 stops45h 15m

Buenos Aires Jorge Newbery

Wed 2/12

10:30-15:05

2 stops25h 35m

£903

LondonBuenos Aires

LGW - AEP

LGWAEP

London Gatwick

Wed 2/12

09:35-09:20

2 stops26h 45m

Buenos Aires Jorge Newbery

Thu 10/12

10:30-15:50

2 stops26h 20m

£911

LondonBuenos Aires

LGW - AEP

LGWAEP

London Gatwick

Wed 18/11

18:40-12:00

2 stops20h 20m

Buenos Aires Jorge Newbery

Fri 20/11

14:55-17:50

2 stops23h 55m

£929
Fastest return journey

LondonBuenos Aires

LCY - AEP

LCYAEP

London City

Tue 10/11

19:05-12:00

2 stops19h 55m

Buenos Aires Jorge Newbery

Thu 26/11

14:55-12:50

2 stops18h 55m

£947

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, November 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 £677. If you aren’t able to travel to Buenos Aires Jorge Newbery Airport during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of £821.

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

19h 05m

Direct flights

None
The fastest flight from London to Buenos Aires Jorge Newbery Airport takes 19h 05m
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 19h 05m 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 £845Free CancellationRating
7.4
1,933 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.

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