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Cheap flights from the United Kingdom to Buenos Aires from £331

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Buenos Aires departing on 11/3. 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 the United Kingdom to Buenos Aires

Recent return flight deals from the United Kingdom to Buenos Aires

Avianca Logo
21:40 - 05:50LHR-EZE
35h 10m1 stop
Avianca Logo
16:55 - 14:35EZE-LHR
18h 40m1 stop
£700Avianca
Find Deal
Tue, 28 Oct - Sat, 15 Nov
Avianca Logo
21:40 - 05:50LHR-EZE
35h 10m1 stop
Avianca Logo
01:40 - 14:35EZE-LHR
33h 55m1 stop
£710Avianca
Find Deal
Thu, 6 Nov - Sun, 16 Nov
British Airways Logo
19:15 - 16:20MAN-EZE
25h 05m1 stop
British Airways Logo
13:35 - 14:00EZE-MAN
21h 25m2 stops
£786British Airways
Find Deal
Thu, 16 Oct - Tue, 4 Nov
British Airways Logo
19:15 - 16:20MAN-EZE
25h 05m1 stop
British Airways Logo
13:35 - 10:55EZE-MAN
18h 20m2 stops
£799British Airways
Find Deal
Tue, 14 Oct - Wed, 5 Nov
Lufthansa Logo
09:30 - 07:55LHR-EZE
25h 25m1 stop
Lufthansa Logo
17:45 - 22:20EZE-LHR
25h 35m1 stop
£811Lufthansa
Find Deal
Thu, 12 Mar - Thu, 26 Mar
Lufthansa Logo
18:10 - 07:55LCY-EZE
16h 45m1 stop
Lufthansa Logo
17:45 - 16:40EZE-LCY
19h 55m1 stop
£820Lufthansa
Find Deal
Wed, 26 Nov - Tue, 2 Dec
Iberia Logo
19:15 - 16:20MAN-EZE
25h 05m1 stop
Iberia Logo
22:45 - 17:40EZE-MAN
15h 55m1 stop
£845Iberia
Find Deal
Tue, 21 Oct - Wed, 5 Nov
Iberia Logo
19:15 - 16:20MAN-EZE
25h 05m1 stop
Iberia Logo
22:45 - 17:40EZE-MAN
15h 55m1 stop
£848Iberia
Find Deal
Tue, 21 Oct - Tue, 4 Nov
Air Europa Logo
17:25 - 08:50LGW-EZE
18h 25m1 stop
Air Europa Logo
12:15 - 09:00EZE-LGW
16h 45m1 stop
£852Air Europa
Find Deal
Sun, 15 Mar - Sun, 29 Mar
Air Europa Logo
10:00 - 08:50LGW-EZE
25h 50m1 stop
Air Europa Logo
12:15 - 09:00EZE-LGW
16h 45m1 stop
£853Air Europa
Find Deal
Sun, 15 Mar - Sun, 29 Mar

Lufthansa flights from United Kingdom to Buenos Aires

Our best Lufthansa deals on United Kingdom to Buenos Aires flight tickets
Lufthansa
12 Mar
LHR09:30London Heathrow
25h 25m
1 stop
EZE07:55Buenos Aires Ministro Pistarini
26 Mar
EZE17:45Buenos Aires Ministro Pistarini
25h 35m
1 stop
LHR22:20London Heathrow
£811
Find similar
Lufthansa
26 Nov
LCY18:10London City
16h 45m
1 stop
EZE07:55Buenos Aires Ministro Pistarini
2 Dec
EZE17:45Buenos Aires Ministro Pistarini
19h 55m
1 stop
LCY16:40London City
£820
Find similar
Lufthansa
19 Nov
MAN17:45Manchester
17h 10m
1 stop
EZE07:55Buenos Aires Ministro Pistarini
21 Jan
EZE17:45Buenos Aires Ministro Pistarini
25h 45m
1 stop
MAN22:30Manchester
£841
Find similar

American Airlines flights from United Kingdom to Buenos Aires

Our best American Airlines deals on United Kingdom to Buenos Aires flight tickets
American Airlines
13 Nov
LGW12:30London Gatwick
47h 30m
2 stops
EZE09:00Buenos Aires Ministro Pistarini
17 Nov
EZE21:40Buenos Aires Ministro Pistarini
56h 20m
2 stops
LGW09:00London Gatwick
£832
Find similar
American Airlines
8 Oct
LGW10:40London Gatwick
26h 20m
2 stops
EZE09:00Buenos Aires Ministro Pistarini
15 Oct
EZE20:30Buenos Aires Ministro Pistarini
56h 05m
2 stops
LGW08:35London Gatwick
£834
Find similar
American Airlines
7 Oct
LGW10:40London Gatwick
24h 45m
2 stops
EZE07:25Buenos Aires Ministro Pistarini
23 Oct
EZE21:15Buenos Aires Ministro Pistarini
30h 55m
1 stop
LGW08:10London Gatwick
£834
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom to Buenos Aires 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 September 2025.
Use the filters below to find and compare flights from the United Kingdom to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Tue 28/10

21:40-05:50

1 stop35h 10m

Buenos Aires Ministro Pistarini

Sat 15/11

16:55-14:35

1 stop18h 40m

£700

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Thu 6/11

21:40-05:50

1 stop35h 10m

Buenos Aires Ministro Pistarini

Sun 16/11

01:40-14:35

1 stop33h 55m

£710

ManchesterBuenos Aires

MAN - EZE

MANEZE

Manchester

Thu 16/10

19:15-16:20

1 stop25h 05m

Buenos Aires Ministro Pistarini

Tue 4/11

13:35-14:00

2 stops21h 25m

£786

ManchesterBuenos Aires

MAN - EZE

MANEZE

Manchester

Tue 14/10

19:15-16:20

1 stop25h 05m

Buenos Aires Ministro Pistarini

Wed 5/11

13:35-10:55

2 stops18h 20m

£799

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Thu 12/3

09:30-07:55

1 stop25h 25m

Buenos Aires Ministro Pistarini

Thu 26/3

17:45-22:20

1 stop25h 35m

£811

LondonBuenos Aires

LCY - EZE

LCYEZE

London City

Wed 26/11

18:10-07:55

1 stop16h 45m

Buenos Aires Ministro Pistarini

Tue 2/12

17:45-16:40

1 stop19h 55m

£820

ManchesterBuenos Aires

MAN - EZE

MANEZE

Manchester

Tue 21/10

19:15-16:20

1 stop25h 05m

Buenos Aires Ministro Pistarini

Wed 5/11

22:45-17:40

1 stop15h 55m

£845

ManchesterBuenos Aires

MAN - EZE

MANEZE

Manchester

Tue 21/10

19:15-16:20

1 stop25h 05m

Buenos Aires Ministro Pistarini

Tue 4/11

22:45-17:40

1 stop15h 55m

£848

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Sun 15/3

17:25-08:50

1 stop18h 25m

Buenos Aires Ministro Pistarini

Sun 29/3

12:15-09:00

1 stop16h 45m

£852

LondonBuenos Aires

LGW - EZE

LGWEZE

London Gatwick

Sun 15/3

10:00-08:50

1 stop25h 50m

Buenos Aires Ministro Pistarini

Sun 29/3

12:15-09:00

1 stop16h 45m

£853

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Buenos Aires from

How to get the cheapest flight ticket from United Kingdom 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?

In general, March is the cheapest month to fly from United Kingdom to Buenos Aires. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £833. If you don’t want to visit Buenos Aires in March, then you should wait until May to fly from United Kingdom, when ticket prices are also cheap, with an average price of £851.

What is the cheapest day to depart on your flight to Buenos Aires?

The cheapest day to depart on your flight to Buenos Aires is on a Monday when prices can be found for as low as £984. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,114.

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 United Kingdom to Buenos Aires during this time can be as low as £809. Flights to Buenos Aires are more costly in the evening, with an average ticket price of £1,043. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest United Kingdom to Buenos Aires flight route?

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

How far in advance should I book a flight to Buenos Aires?

You are more likely to see cheaper flights to Buenos Aires from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around £993 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from United Kingdom for as low as £854 on momondo.

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

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

You could potentially save up to 14% on your flight if you consider stops on a United Kingdom to Buenos Aires flight.

Cheap United Kingdom to Buenos Aires flight deals and tips

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

Best price found

£1,279

Fastest flight time

16h 25m

Direct flights

Every day

Airports in Buenos Aires

1 airport
The best flight deal from United Kingdom to Buenos Aires found on momondo in the last 72 hours is £1,279
The fastest flight from United Kingdom to Buenos Aires takes 16h 25m
Direct flights go from United Kingdom to Buenos Aires every day.
There is 1 airport near Buenos Aires: Buenos Aires Ministro Pistarini (EZE)
Search flight deals

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

    Prices for flights from United Kingdom to Buenos Aires are updated daily.

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

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

    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 United Kingdom 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 United Kingdom to Buenos Aires?

Best airlines flying from United Kingdom to Buenos Aires

Compare and see reviews for airlines that fly from United Kingdom to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
Air FrancePriceFrom £439Free CancellationRating
7.4
1,468 reviews
Search Air France flights
Air EuropaPriceFrom £574Free CancellationRating
7.0
556 reviews
Search Air Europa flights
Air CanadaPriceFrom £634Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
IberiaPriceFrom £682Free CancellationRating
7.0
2,924 reviews
Search Iberia flights
AviancaPriceFrom £696Free CancellationRating
6.7
2,435 reviews
Search Avianca flights
FinnairPriceFrom £726Free CancellationRating
7.6
1,324 reviews
Search Finnair flights
British AirwaysPriceFrom £726Free CancellationRating
6.7
7,363 reviews
Search British Airways flights
LufthansaPriceFrom £751Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
KLMPriceFrom £836Free CancellationRating
7.8
1,386 reviews
Search KLM flights
LATAM AirlinesPriceFrom £858Free CancellationRating
7.5
1,847 reviews
Search LATAM Airlines flights

Why use momondo?

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

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

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

Flights from United Kingdom 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 United Kingdom to Buenos Aires?

Once all potential United Kingdom to Buenos Aires flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for United Kingdom to Buenos Aires flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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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
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport