Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Buenos Aires to London from £458

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buenos Aires to London departing on 23/11. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Buenos Aires to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
13:00 - 13:50EZE-LGW
21h 50m1 stop
Multiple Airlines Logo
14:05 - 11:10LGW-EZE
24h 05m1 stop
£951Multiple Airlines
Find Deal
ven., 14 nov. - lun., 24 nov.
LATAM Airlines Logo
11:30 - 14:55AEP-LHR
24h 25m2 stops
LATAM Airlines Logo
18:45 - 16:00LHR-AEP
24h 15m2 stops
£952LATAM Airlines
Find Deal
ven., 20 févr. - mar., 3 mars
Avianca Logo
07:30 - 14:35EZE-LHR
28h 05m1 stop
Avianca Logo
21:40 - 05:50LHR-EZE
35h 10m1 stop
£953Avianca
Find Deal
dim., 1 févr. - dim., 8 mars
Multiple Airlines Logo
16:20 - 21:35AEP-LHR
26h 15m3 stops
Multiple Airlines Logo
18:30 - 13:40LHR-AEP
22h 10m2 stops
£953Multiple Airlines
Find Deal
jeu., 20 nov. - lun., 24 nov.
ITA Airways Logo
13:50 - 10:55EZE-LCY
18h 05m1 stop
ITA Airways Logo
16:45 - 19:50LCY-EZE
30h 05m1 stop
£954ITA Airways
Find Deal
mar., 16 déc. - lun., 26 janv.
ITA Airways Logo
13:50 - 16:10EZE-LCY
23h 20m1 stop
ITA Airways Logo
16:45 - 08:45LCY-EZE
19h 00m1 stop
£955ITA Airways
Find Deal
sam., 15 nov. - lun., 24 nov.
Air Europa Logo
13:15 - 16:25EZE-LGW
24h 10m1 stop
Air Europa Logo
10:00 - 08:50LGW-EZE
25h 50m1 stop
£956Air Europa
Find Deal
lun., 1 déc. - sam., 6 déc.
Air Europa Logo
13:15 - 16:25EZE-LGW
24h 10m1 stop
Air Europa Logo
17:25 - 08:50LGW-EZE
18h 25m1 stop
£959Air Europa
Find Deal
lun., 10 nov. - dim., 23 nov.
Avianca Logo
01:40 - 14:35EZE-LHR
33h 55m1 stop
Avianca Logo
21:40 - 05:50LHR-EZE
35h 10m1 stop
£993Avianca
Find Deal
sam., 28 févr. - mer., 11 mars
Iberia Logo
19:30 - 17:15EZE-LHR
18h 45m1 stop
Iberia Logo
19:40 - 17:25LHR-EZE
24h 45m1 stop
£1,023Iberia
Find Deal
mar., 25 nov. - jeu., 4 déc.

LATAM Airlines flights from Buenos Aires to London

Our best LATAM Airlines deals on Buenos Aires to London flight tickets
LATAM Airlines
20 Feb
AEP11:30Buenos Aires Jorge Newbery
24h 25m
2 stops
LHR14:55London Heathrow
3 Mar
LHR18:45London Heathrow
24h 15m
2 stops
AEP16:00Buenos Aires Jorge Newbery
£952
Find similar
LATAM Airlines
14 Nov
AEP15:40Buenos Aires Jorge Newbery
22h 35m
2 stops
LHR17:15London Heathrow
24 Nov
LHR20:15London Heathrow
16h 25m
1 stop
AEP09:40Buenos Aires Jorge Newbery
£953
Find similar
LATAM Airlines
20 Mar
AEP12:40Buenos Aires Jorge Newbery
22h 25m
1 stop
LHR14:05London Heathrow
16 Apr
LHR21:20London Heathrow
17h 10m
1 stop
AEP10:30Buenos Aires Jorge Newbery
£956
Find similar

Avianca flights from Buenos Aires to London

Our best Avianca deals on Buenos Aires to London flight tickets
Avianca
1 Feb
EZE07:30Buenos Aires Ministro Pistarini
28h 05m
1 stop
LHR14:35London Heathrow
8 Mar
LHR21:40London Heathrow
35h 10m
1 stop
EZE05:50Buenos Aires Ministro Pistarini
£953
Find similar
Avianca
28 Feb
EZE01:40Buenos Aires Ministro Pistarini
33h 55m
1 stop
LHR14:35London Heathrow
11 Mar
LHR21:40London Heathrow
35h 10m
1 stop
EZE05:50Buenos Aires Ministro Pistarini
£993
Find similar
Avianca
1 Mar
EZE07:30Buenos Aires Ministro Pistarini
28h 05m
1 stop
LHR14:35London Heathrow
11 Mar
LHR21:40London Heathrow
35h 10m
1 stop
EZE05:50Buenos Aires Ministro Pistarini
£1,015
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Buenos Aires to London 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 15 octobre 2025.
Use the filters below to find and compare flights from Buenos Aires to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Buenos AiresLondon

EZE - LGW

EZELGW

Buenos Aires Ministro Pistarini

ven. 14/11

13:00-13:50

1 stop21h 50m

London Gatwick

lun. 24/11

14:05-11:10

1 stop24h 05m

£951

Buenos AiresLondon

AEP - LHR

AEPLHR

Buenos Aires Jorge Newbery

ven. 20/2

11:30-14:55

2 stops24h 25m

London Heathrow

mar. 3/3

18:45-16:00

2 stops24h 15m

£952

Buenos AiresLondon

EZE - LHR

EZELHR

Buenos Aires Ministro Pistarini

dim. 1/2

07:30-14:35

1 stop28h 05m

London Heathrow

dim. 8/3

21:40-05:50

1 stop35h 10m

£953

Buenos AiresLondon

AEP - LHR

AEPLHR

Buenos Aires Jorge Newbery

jeu. 20/11

16:20-21:35

3 stops26h 15m

London Heathrow

lun. 24/11

18:30-13:40

2 stops22h 10m

£953

Buenos AiresLondon

EZE - LCY

EZELCY

Buenos Aires Ministro Pistarini

mar. 16/12

13:50-10:55

1 stop18h 05m

London City

lun. 26/1

16:45-19:50

1 stop30h 05m

£954

Buenos AiresLondon

EZE - LCY

EZELCY

Buenos Aires Ministro Pistarini

sam. 15/11

13:50-16:10

1 stop23h 20m

London City

lun. 24/11

16:45-08:45

1 stop19h 00m

£955

Buenos AiresLondon

EZE - LGW

EZELGW

Buenos Aires Ministro Pistarini

lun. 1/12

13:15-16:25

1 stop24h 10m

London Gatwick

sam. 6/12

10:00-08:50

1 stop25h 50m

£956

Buenos AiresLondon

EZE - LGW

EZELGW

Buenos Aires Ministro Pistarini

lun. 10/11

13:15-16:25

1 stop24h 10m

London Gatwick

dim. 23/11

17:25-08:50

1 stop18h 25m

£959

Buenos AiresLondon

EZE - LHR

EZELHR

Buenos Aires Ministro Pistarini

sam. 28/2

01:40-14:35

1 stop33h 55m

London Heathrow

mer. 11/3

21:40-05:50

1 stop35h 10m

£993

Buenos AiresLondon

EZE - LHR

EZELHR

Buenos Aires Ministro Pistarini

mar. 25/11

19:30-17:15

1 stop18h 45m

London Heathrow

jeu. 4/12

19:40-17:25

1 stop24h 45m

£1,023

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

How to get the cheapest flight ticket from Buenos Aires to London

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 London?

The cheapest month to fly to London from Buenos Aires is in November. Flight prices, which tend to average around £1,017, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Buenos Aires averaging around £1,021.

What is the cheapest day to depart on your flight to London?

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £1,151. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Buenos Aires to London for around £1,621.

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

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £995. Flights in the morning are often more expensive, with an average ticket price of £1,621.

What is the cheapest Buenos Aires to London flight route?

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

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Buenos Aires when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £1,276 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Buenos Aires for as low as £940 on momondo.

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

There are 2 cabin classes available to choose from on Buenos Aires to London 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 Buenos Aires to London flights?

You could potentially save up to 33% on your flight if you consider stops on a Buenos Aires to London flight.

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

As of October 2025, prices for Buenos Aires to London flights are approximately 10% more expensive when compared to flights at the same time last year.

When to book flights from Buenos Aires to London

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

Cheap Buenos Aires to London (BUE to LON) flight deals and tips

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

Fastest flight time

15h 40m

Direct flights

Every day

Airports in London

1 airport
The fastest flight from Buenos Aires to London takes 15h 40m
Direct flights go from Buenos Aires to London every day.
There is 1 airport near London: London Heathrow (LHR)
Search flight deals

  • How far is Buenos Aires to London by plane?

    Buenos Aires and London are 6909.8 mi apart from one another. A reasonable flight in good conditions will take 15h 30m.

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

    Prices for flights from Buenos Aires to London were last updated today.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Buenos Aires to London.

  • What documentation or ID do you need to fly to London?

    The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from Buenos Aires to London

Compare and see reviews for airlines that fly from Buenos Aires to London with momondo
Airline
Rating
Free Cancellation
Price
IberiaPriceFrom £955Free CancellationRating
7.0
2,990 reviews
Search Iberia flights
British AirwaysPriceFrom £1,029Free CancellationRating
6.7
7,457 reviews
Search British Airways flights

  • British Airways Flights From Buenos Aires to London

    British Airways flight deals from Buenos Aires to London start from £1,370 round-trip. Over the 6 British Airways flights for this route in a normal week, average airfare is usually £1,779 round-trip - but some users have found much cheaper deals with momondo.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Dover
Hayes
Chelmsford
Worthing
Dartford
Bedford
Ramsgate
Stansted

Why use momondo?

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

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 London from Buenos Aires.

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

Flights from Buenos Aires to London 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 Buenos Aires to London?

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 London from Buenos Aires.

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

Of course. momondo tracks the price of Buenos Aires to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
ven. 14/11
ven. 21/11
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport