Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London Heathrow Airport to Buenos Aires from £504

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 Heathrow Airport 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.
1 adult
0 bags

Deals available from 900+ travel sites.

'This year, momondo is the #1 place for airfares on the internet.'
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.

Find the cheapest flights from London Heathrow Airport to Buenos Aires

Cheap return flights

These are some of the best return flight deals from London Heathrow Airport 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 Heathrow Airport to Buenos Aires.

Cheap last-minute flights

Planning a quick getaway from London Heathrow Airport 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 stopovers.

Cheap bus & train deals from London Heathrow Airport to Buenos Aires

Find recent round-trip train or bus tickets from London Heathrow Airport to Buenos Aires.

All round-trip flight deals to Buenos Aires

The cheapest plane tickets to Buenos Aires found on KAYAK recently.
15:00 - 17:20LHR-AEP
29h 20m2 stops
13:35 - 06:30AEP-LHR
37h 55m2 stops
£790Air Canada
Find Deal
Tue, 21 Jan - Tue, 18 Feb
17:50 - 20:25LHR-EZE
29h 35m2 stops
22:45 - 20:50EZE-LHR
19h 05m2 stops
£810KLM
Find Deal
Thu, 14 Nov - Wed, 27 Nov
19:40 - 17:25LHR-EZE
24h 45m1 stop
22:45 - 17:15EZE-LHR
15h 30m1 stop
£819Iberia
Find Deal
Mon, 10 Feb - Wed, 26 Feb
22:10 - 11:50LHR-EZE
16h 40m1 stop
13:35 - 08:35EZE-LHR
16h 00m1 stop
£822British Airways
Find Deal
Mon, 17 Feb - Mon, 24 Mar
19:05 - 17:25LHR-EZE
25h 20m1 stop
22:45 - 17:15EZE-LHR
15h 30m1 stop
£831Iberia
Find Deal
Mon, 17 Feb - Thu, 27 Mar
20:15 - 17:00LHR-AEP
23h 45m1 stop
12:55 - 14:05AEP-LHR
22h 10m1 stop
£844LATAM Airlines
Find Deal
Tue, 4 Feb - Tue, 4 Mar
20:15 - 14:00LHR-AEP
20h 45m1 stop
10:35 - 14:05AEP-LHR
24h 30m1 stop
£845LATAM Airlines
Find Deal
Sat, 1 Mar - Sun, 23 Mar
11:45 - 06:53LHR-EZE
22h 08m1 stop
21:00 - 22:10EZE-LHR
22h 10m1 stop
£851British Airways
Find Deal
Thu, 14 Nov - Wed, 11 Dec
18:30 - 07:55LHR-EZE
16h 25m1 stop
17:50 - 12:45EZE-LHR
15h 55m1 stop
£862Lufthansa
Find Deal
Thu, 9 Jan - Sun, 16 Feb
18:30 - 07:55LHR-EZE
16h 25m1 stop
17:50 - 12:45EZE-LHR
15h 55m1 stop
£892Lufthansa
Find Deal
Tue, 7 Jan - Sun, 16 Feb
06:55 - 09:40LHR-AEP
29h 45m2 stops
Tue, 4 Feb
08:15 - 20:40LHR-AEP
39h 25m3 stops
Tue, 21 Jan
22:30 - 21:55LHR-EZE
26h 25m1 stop
£520Aeromexico
Find Deal
Tue, 3 Dec
20:15 - 09:40LHR-AEP
16h 25m1 stop
£598LATAM Airlines
Find Deal
Mon, 13 Jan
20:15 - 09:40LHR-AEP
16h 25m1 stop
£599LATAM Airlines
Find Deal
Tue, 3 Dec
22:10 - 11:50LHR-EZE
16h 40m1 stop
£708British Airways
Find Deal
Sun, 1 Dec
06:30 - 21:00LHR-EZE
17h 30m1 stop
£714Iberia
Find Deal
Mon, 2 Dec
22:10 - 11:50LHR-EZE
16h 40mdirect
£779British Airways
Find Deal
Mon, 2 Dec
19:05 - 17:25LHR-EZE
25h 20m1 stop
£795Iberia
Find Deal
Mon, 23 Dec
18:30 - 07:55LHR-EZE
16h 25m1 stop
£835Lufthansa
Find Deal
Sat, 30 Nov
10:15 - 08:45LHR-EZE
25h 30m2 stops
23:59 - 06:45EZE-LHR
27h 46m2 stops
£855Finnair
Find Deal
Mon, 4 Nov - Tue, 12 Nov
19:35 - 20:25LHR-EZE
27h 50m1 stop
22:45 - 21:25EZE-LHR
19h 40m1 stop
£889Air France
Find Deal
Wed, 6 Nov - Mon, 11 Nov
08:40 - 09:00LHR-EZE
27h 20m2 stops
22:25 - 07:05EZE-LHR
29h 40m2 stops
£905Delta
Find Deal
Tue, 5 Nov - Wed, 13 Nov
11:45 - 08:50LHR-EZE
24h 05m1 stop
23:05 - 09:40EZE-LHR
31h 35m1 stop
£948British Airways
Find Deal
Sat, 2 Nov - Fri, 8 Nov
17:25 - 09:40LHR-AEP
19h 15m2 stops
22:55 - 14:05AEP-LHR
36h 10m1 stop
£1,157LATAM Airlines
Find Deal
Wed, 6 Nov - Wed, 27 Nov
17:25 - 09:40LHR-AEP
19h 15m2 stops
22:55 - 14:05AEP-LHR
36h 10m1 stop
£1,161LATAM Airlines
Find Deal
Wed, 6 Nov - Wed, 27 Nov
17:50 - 20:25LHR-EZE
29h 35m2 stops
16:25 - 13:50EZE-LHR
18h 25m1 stop
£1,172KLM
Find Deal
Mon, 4 Nov - Wed, 13 Nov
17:50 - 20:25LHR-EZE
29h 35m2 stops
22:45 - 20:50EZE-LHR
19h 05m2 stops
£1,185KLM
Find Deal
Tue, 5 Nov - Tue, 12 Nov
22:10 - 11:50LHR-EZE
16h 40m1 stop
22:45 - 17:15EZE-LHR
15h 30m1 stop
£1,460British Airways
Find Deal
Tue, 5 Nov - Sun, 10 Nov
15:30 - 07:55LHR-EZE
19h 25m1 stop
17:50 - 12:45EZE-LHR
15h 55m1 stop
£2,973Lufthansa
Find Deal
Tue, 5 Nov - Tue, 19 Nov
22:10 - 11:50LHR-EZE
16h 40mdirect
13:35 - 08:35EZE-LHR
16h 00mdirect
£910British Airways
Find Deal
Thu, 5 Dec - Mon, 9 Dec
22:10 - 11:50LHR-EZE
16h 40mdirect
13:35 - 08:35EZE-LHR
16h 00mdirect
£1,176British Airways
Find Deal
Sat, 30 Nov - Sat, 7 Dec
22:10 - 11:50LHR-EZE
16h 40mdirect
13:35 - 08:35EZE-LHR
16h 00mdirect
£1,207British Airways
Find Deal
Fri, 15 Nov - Sat, 14 Dec
22:10 - 11:50LHR-EZE
16h 40mdirect
13:35 - 08:35EZE-LHR
16h 00mdirect
£1,384British Airways
Find Deal
Tue, 7 Jan - Wed, 26 Feb
22:10 - 11:50LHR-EZE
16h 40mdirect
13:35 - 08:35EZE-LHR
16h 00mdirect
£1,390British Airways
Find Deal
Tue, 7 Jan - Wed, 26 Feb
22:10 - 11:50LHR-EZE
16h 40mdirect
13:35 - 08:35EZE-LHR
16h 00mdirect
£1,539British Airways
Find Deal
Tue, 21 Jan - Thu, 30 Jan
22:10 - 11:50LHR-EZE
16h 40mdirect
13:35 - 08:35EZE-LHR
16h 00mdirect
£1,722British Airways
Find Deal
Fri, 10 Jan - Fri, 24 Jan
22:10 - 11:50LHR-EZE
16h 40mdirect
13:35 - 08:35EZE-LHR
16h 00mdirect
£1,789British Airways
Find Deal
Fri, 10 Jan - Fri, 24 Jan
22:10 - 11:50LHR-EZE
16h 40mdirect
13:35 - 08:35EZE-LHR
16h 00mdirect
£1,893British Airways
Find Deal
Tue, 24 Dec - Tue, 21 Jan
22:10 - 11:50LHR-EZE
16h 40mdirect
13:35 - 08:35EZE-LHR
16h 00mdirect
£1,968British Airways
Find Deal
Tue, 24 Dec - Mon, 20 Jan

Iberia flights from London Heathrow Airport to Buenos Aires

Our best Iberia deals on London Heathrow Airport to Buenos Aires flight tickets
Iberia
10 Feb
LHR19:40London Heathrow
24h 45m
1 stop
EZE17:25Buenos Aires Ministro Pistarini
26 Feb
EZE22:45Buenos Aires Ministro Pistarini
15h 30m
1 stop
LHR17:15London Heathrow
Iberia
17 Feb
LHR19:05London Heathrow
25h 20m
1 stop
EZE17:25Buenos Aires Ministro Pistarini
27 Mar
EZE22:45Buenos Aires Ministro Pistarini
15h 30m
1 stop
LHR17:15London Heathrow
Iberia
4 Jan
LHR19:40London Heathrow
24h 45m
1 stop
EZE17:25Buenos Aires Ministro Pistarini
5 Feb
EZE19:10Buenos Aires Ministro Pistarini
15h 20m
1 stop
LHR13:30London Heathrow

American Airlines flights from London Heathrow Airport to Buenos Aires

Our best American Airlines deals on London Heathrow Airport to Buenos Aires flight tickets
American Airlines
5 Dec
LHR12:35London Heathrow
21h 25m
1 stop
EZE07:00Buenos Aires Ministro Pistarini
9 Dec
EZE21:00Buenos Aires Ministro Pistarini
22h 10m
1 stop
LHR22:10London Heathrow
American Airlines
6 Dec
LHR12:35London Heathrow
21h 25m
1 stop
EZE07:00Buenos Aires Ministro Pistarini
7 Feb
EZE21:10Buenos Aires Ministro Pistarini
32h 25m
1 stop
LHR08:35London Heathrow
American Airlines
7 Dec
LHR14:30London Heathrow
21h 58m
1 stop
EZE09:28Buenos Aires Ministro Pistarini
26 Jan
EZE23:55Buenos Aires Ministro Pistarini
27h 55m
1 stop
LHR06:50London Heathrow

How to get the cheapest flight ticket from London Heathrow Airport 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 from London Heathrow Airport to Buenos Aires?

April. The cheapest time of year to fly to Buenos Aires from London Heathrow Airport is April. The most expensive is December.

What is the cheapest day to depart London Heathrow Airport for Buenos Aires?

Wednesday. The cheapest day of the week is usually Wednesday. The most expensive is usually Friday.

When is the cheapest time to fly from London Heathrow Airport to Buenos Aires?

In the afternoon. London Heathrow Airport to Buenos Aires flights are approximately 15% more expensive in the evening than in the afternoon

What is the cheapest airline that flies to Buenos Aires from London Heathrow Airport?

Turkish Airlines. Turkish Airlines, Finnair, and Lufthansa are the most popular carriers operating from London Heathrow Airport to Buenos Aires

How far in advance should you book London Heathrow Airport to Buenos Aires flights?

33 days before. The cheapest time to buy a flight from London Heathrow Airport to Buenos Aires is approximately 33 days to departure

How many flights depart from London Heathrow Airport to Buenos Aires on average per week?

The number of flights available between London Heathrow Airport and Buenos Aires is 5 per week as of November 2024. The most frequent departure day is Monday, with 20% of weekly flights leaving on this day.

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

You could potentially save up to 36% on your flight if you consider stops on a London Heathrow Airport to Buenos Aires flight.

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

As of November 2024, prices for London Heathrow Airport to Buenos Aires flights are approximately 32% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Buenos Aires

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

Cheap London Heathrow Airport to Buenos Aires (LHR to BUE) flight deals and tips

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

Best price found

£504

Fastest flight time

15h 50m

Direct flights

Tue, Wed, Thu and Sun

Airports in Buenos Aires

2 airports
The best one-way flight to Buenos Aires from London Heathrow Airport in the past 72 hours is £504. The best return flight deal from London Heathrow Airport to Buenos Aires found on momondo in the last 72 hours is £790.
The fastest flight from London Heathrow Airport to Buenos Aires takes 15h 50m
Direct flights go from London Heathrow Airport to Buenos Aires on Tuesday, Wednesday, Thursday and Sunday. Airline offering direct flights is British Airways..
There are 2 airports near Buenos Aires: Buenos Aires Ministro Pistarini (EZE), Buenos Aires Jorge Newbery (AEP)

  • How far is London Heathrow to Buenos Aires by plane?

    Buenos Aires is 6898.3 mi away from London Heathrow. In terms of flight time, this usually takes a little over 15h 50m.

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

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

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

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

    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 London Heathrow Airport to Buenos Aires.

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

    The travel and health documents you'll need for your trip to Buenos Aires 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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


Best airlines flying from London Heathrow Airport to Buenos Aires

Compare and see reviews for airlines that fly from London Heathrow Airport to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
Air FrancePriceFrom £597Free CancellationRating
7.4
1,531 reviews
Search Air France flights
Turkish AirlinesPriceFrom £675Free CancellationRating
7.4
3,876 reviews
Search Turkish Airlines flights
FinnairPriceFrom £707Free CancellationRating
7.7
1,318 reviews
Search Finnair flights
IberiaPriceFrom £721Free CancellationRating
7.0
2,670 reviews
Search Iberia flights
LufthansaPriceFrom £733Free CancellationRating
6.8
7,178 reviews
Search Lufthansa flights
British AirwaysPriceFrom £767Free CancellationRating
6.7
6,843 reviews
Search British Airways flights
KLMPriceFrom £816Free CancellationRating
7.8
1,349 reviews
Search KLM flights
LATAM AirlinesPriceFrom £872Free CancellationRating
7.5
1,977 reviews
Search LATAM Airlines flights
  • British Airways Flights From London Heathrow Airport to Buenos Aires

    British Airways flies from London Heathrow Airport to Buenos Aires around 5 times per week, with 6,843 momondo users rating the airline 6.7/10. The cheapest British Airways deal from London Heathrow Airport to Buenos Aires in the last 72 hours was £992 (round-trip), much lower than the average airfare cost of £1,267 for British Airways flights on this route.


Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Buenos Aires . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Buenos Aires from London with this policy.

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?

Of course. momondo tracks the price of London to Buenos Aires 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 Buenos Aires 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Wed 6/11
Wed 13/11
Email me momondo's favourite deals

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