What is the cheapest airline that flies from Buenos Aires to United Kingdom?

LEVEL, United Airlines, and LATAM Airlines are the most popular carriers operating from Buenos Aires to United Kingdom

How many flights depart from Buenos Aires to United Kingdom on average per week?

As of September 2026, there are 14 flights per week flying from Buenos Aires to United Kingdom. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

How many flights depart from Buenos Aires to United Kingdom on average per day?

As of September 2026, there are 2 flights per day flying from Buenos Aires to United Kingdom. The most common time of day flights depart is 12:00, with 100% of flights taking off in the afternoon.

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

Prices for flights from Buenos Aires to United Kingdom are refreshed on a daily basis.

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

As of September 2026, there are 2 operators available to choose from for flights from Buenos Aires to United Kingdom.

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

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 United Kingdom.

What documentation or ID do you need to fly to United Kingdom?

The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£306 Cheap Flights from Buenos Aires to the United Kingdom in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buenos Aires to the United Kingdom

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

14:25 - 18:15EZE Buenos Aires Ministro Pistarini-EDI Edinburgh Turnhouse

24h 50m1 stop Madrid Barajas

15:25 - 07:45EDI Edinburgh Turnhouse-EZE Buenos Aires Ministro Pistarini

19h 20m1 stop Madrid Barajas

£819Multiple Airlines

Sun, 21 Feb - Tue, 2 Mar

16:50 - 07:10EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

35h 20m2 stops Bogotá El Dorado Montreal Pierre Elliott Trudeau Intl

13:00 - 15:40LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

29h 40m3 stops Montreal Pierre Elliott Trudeau Intl Quito Mariscal Sucr Bogotá El Dorado

£941Multiple Airlines

Mon, 1 Mar - Wed, 10 Mar

16:45 - 07:10EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

35h 25m2 stops Sao Paulo Guarulhos Intl Montreal Pierre Elliott Trudeau Intl

11:10 - 15:05LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

30h 55m2 stops Toronto Pearson Intl Sao Paulo Guarulhos Intl

£942Air Canada

Fri, 5 Feb - Wed, 3 Mar

19:45 - 18:05EZE Buenos Aires Ministro Pistarini-LTN London Luton

18h 20m1 stop Barcelona-El Prat

06:15 - 02:10LTN London Luton-EZE Buenos Aires Ministro Pistarini

46h 55m2 stops Madrid Barajas Punta Cana

£943Multiple Airlines

Sun, 18 Oct - Mon, 2 Nov

13:35 - 08:20EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

15h 45m1 stop Rio de Janeiro–Galeão Intl

18:45 - 17:25LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

25h 40m1 stop Madrid Barajas

£974British Airways

Thu, 10 Dec - Tue, 22 Dec

13:35 - 08:20EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

15h 45mdirect

18:45 - 08:40LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

16h 55m1 stop Madrid Barajas

£989British Airways

Tue, 1 Dec - Sun, 3 Jan

18:20 - 14:05AEP Buenos Aires Jorge Newbery-LHR London Heathrow

16h 45m1 stop Sao Paulo Guarulhos Intl

17:25 - 16:00LHR London Heathrow-AEP Buenos Aires Jorge Newbery

25h 35m2 stops Madrid Barajas Lima J Chavez Intl

£1,011LATAM Airlines

Wed, 4 Nov - Tue, 2 Feb

18:20 - 14:05AEP Buenos Aires Jorge Newbery-LHR London Heathrow

16h 45m1 stop Sao Paulo Guarulhos Intl

16:30 - 09:40LHR London Heathrow-AEP Buenos Aires Jorge Newbery

20h 10m2 stops Amsterdam Schiphol Sao Paulo Guarulhos Intl

£1,020LATAM Airlines

Thu, 26 Nov - Wed, 2 Dec

19:20 - 14:15EZE Buenos Aires Ministro Pistarini-LCY London City

15h 55m1 stop Madrid Barajas

19:15 - 09:10LCY London City-EZE Buenos Aires Ministro Pistarini

16h 55m1 stop Madrid Barajas

£1,311British Airways

Mon, 8 Feb - Sun, 28 Feb

14:20 - 08:50EZE Buenos Aires Ministro Pistarini-LCY London City

15h 30m1 stop Madrid Barajas

19:15 - 08:40LCY London City-EZE Buenos Aires Ministro Pistarini

16h 25m1 stop Madrid Barajas

£1,377British Airways

Tue, 16 Feb - Tue, 23 Feb

Cheap last-minute flights

Enter your travel dates to find the best prices.

21:55 - 07:00EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

29h 05m1 stop Addis Ababa Bole

21:00 - 20:25LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

27h 25m1 stop Addis Ababa Bole

£972Ethiopian Air

Wed, 16 Sep - Mon, 21 Sep

21:55 - 07:00EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

29h 05m2 stops Sao Paulo Guarulhos Intl Addis Ababa Bole

21:00 - 20:25LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

27h 25m2 stops Addis Ababa Bole Sao Paulo Guarulhos Intl

£981Ethiopian Air

Thu, 17 Sep - Thu, 1 Oct

21:55 - 17:00EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

39h 05m1 stop Addis Ababa Bole

21:00 - 20:25LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

27h 25m1 stop Addis Ababa Bole

£1,014Ethiopian Air

Sun, 13 Sep - Wed, 23 Sep

21:55 - 07:00EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

29h 05m1 stop Addis Ababa Bole

21:00 - 20:25LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

27h 25m1 stop Addis Ababa Bole

£1,020Ethiopian Air

Thu, 17 Sep - Sat, 26 Sep

21:55 - 09:05EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

31h 10m1 stop Addis Ababa Bole

21:00 - 20:25LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

27h 25m1 stop Addis Ababa Bole

£1,038Ethiopian Air

Tue, 15 Sep - Mon, 21 Sep

21:55 - 07:00EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

29h 05m1 stop Addis Ababa Bole

21:00 - 20:25LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

27h 25m1 stop Addis Ababa Bole

£1,040Ethiopian Air

Wed, 16 Sep - Mon, 21 Sep

21:45 - 15:05AEP Buenos Aires Jorge Newbery-LHR London Heathrow

37h 20m1 stop Sao Paulo Guarulhos Intl

21:20 - 09:40LHR London Heathrow-AEP Buenos Aires Jorge Newbery

16h 20m1 stop Sao Paulo Guarulhos Intl

£1,396LATAM Airlines

Sat, 12 Sep - Tue, 22 Sep

21:45 - 15:05AEP Buenos Aires Jorge Newbery-LHR London Heathrow

37h 20m1 stop Sao Paulo Guarulhos Intl

21:20 - 09:30LHR London Heathrow-AEP Buenos Aires Jorge Newbery

16h 10m1 stop Sao Paulo Guarulhos Intl

£1,435LATAM Airlines

Sat, 12 Sep - Sun, 20 Sep

12:25 - 08:10EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

15h 45mdirect

21:45 - 10:45LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

17h 00mdirect

£1,861British Airways

Thu, 17 Sep - Mon, 5 Oct

12:25 - 08:10EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

15h 45mdirect

19:10 - 16:05LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

24h 55m1 stop Madrid Barajas

£1,954British Airways

Thu, 17 Sep - Sat, 26 Sep

Cheap direct flights

Enter your travel dates to find the best prices.

13:35 - 08:20EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

15h 45mdirect

22:00 - 11:45LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

16h 45mdirect

£1,121British Airways

Wed, 9 Dec - Sat, 20 Feb

13:35 - 08:20EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

15h 45mdirect

22:00 - 11:45LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

16h 45mdirect

£1,161British Airways

Tue, 1 Dec - Sun, 3 Jan

13:35 - 08:20EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

15h 45mdirect

22:00 - 11:45LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

16h 45mdirect

£1,186British Airways

Tue, 24 Nov - Fri, 4 Dec

13:35 - 08:20EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

15h 45mdirect

22:00 - 11:45LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

16h 45mdirect

£1,235British Airways

Sun, 31 Jan - Mon, 22 Feb

13:35 - 08:20EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

15h 45mdirect

22:00 - 11:45LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

16h 45mdirect

£1,235British Airways

Mon, 1 Feb - Mon, 1 Mar

13:35 - 08:20EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

15h 45mdirect

22:00 - 11:45LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

16h 45mdirect

£1,255British Airways

Mon, 8 Feb - Sun, 28 Feb

13:35 - 08:20EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

15h 45mdirect

22:00 - 11:45LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

16h 45mdirect

£1,265British Airways

Wed, 16 Dec - Wed, 13 Jan

13:35 - 08:20EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

15h 45mdirect

22:00 - 11:45LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

16h 45mdirect

£1,272British Airways

Tue, 1 Dec - Sun, 3 Jan

13:35 - 08:20EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

15h 45mdirect

22:00 - 11:45LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

16h 45mdirect

£1,283British Airways

Thu, 28 Jan - Sat, 6 Mar

13:35 - 08:20EZE Buenos Aires Ministro Pistarini-LHR London Heathrow

15h 45mdirect

22:00 - 11:45LHR London Heathrow-EZE Buenos Aires Ministro Pistarini

16h 45mdirect

£1,285British Airways

Thu, 28 Jan - Sat, 6 Mar

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LATAM Airlines flights from Buenos Aires to United Kingdom

Our best LATAM Airlines deals on Buenos Aires to United Kingdom flight tickets

LATAM Airlines

4 Nov

AEP18:20Buenos Aires Jorge Newbery

16h 45m

1 stop

LHR14:05London Heathrow

2 Feb

LHR17:25London Heathrow

25h 35m

2 stops

AEP16:00Buenos Aires Jorge Newbery

£1,011

LATAM Airlines

22 Nov

AEP11:45Buenos Aires Jorge Newbery

23h 20m

1 stop

LHR14:05London Heathrow

2 Dec

LHR16:30London Heathrow

21h 00m

2 stops

AEP10:30Buenos Aires Jorge Newbery

£1,020

LATAM Airlines

27 Jan

AEP10:35Buenos Aires Jorge Newbery

24h 30m

1 stop

LHR14:05London Heathrow

17 Feb

LHR19:40London Heathrow

25h 50m

2 stops

AEP18:30Buenos Aires Jorge Newbery

£1,037

United Airlines flights from Buenos Aires to United Kingdom

Our best United Airlines deals on Buenos Aires to United Kingdom flight tickets

United Airlines

1 Mar

EZE23:55Buenos Aires Ministro Pistarini

28h 45m

1 stop

LHR07:40London Heathrow

10 Mar

LHR10:00London Heathrow

24h 20m

1 stop

EZE07:20Buenos Aires Ministro Pistarini

£972

United Airlines

1 Mar

EZE23:55Buenos Aires Ministro Pistarini

28h 45m

1 stop

LHR07:40London Heathrow

10 Mar

LHR10:00London Heathrow

24h 20m

1 stop

EZE07:20Buenos Aires Ministro Pistarini

£972

United Airlines

1 Mar

EZE23:55Buenos Aires Ministro Pistarini

28h 45m

1 stop

LHR07:40London Heathrow

10 Mar

LHR10:00London Heathrow

24h 20m

1 stop

EZE07:20Buenos Aires Ministro Pistarini

£973

momondo Fare Finder

Use the filters below to find and compare flights from Buenos Aires to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Buenos AiresEdinburgh

EZE Buenos Aires Ministro Pistarini - EDI Edinburgh Turnhouse

EZEEDI

Buenos Aires Ministro Pistarini

Sun 21/2

14:25-18:15

1 stop24h 50m

Edinburgh Turnhouse

Tue 2/3

15:25-07:45

1 stop19h 20m

£819

Buenos AiresLondon

EZE Buenos Aires Ministro Pistarini - LHR London Heathrow

EZELHR

Buenos Aires Ministro Pistarini

Mon 1/3

16:50-07:10

2 stops35h 20m

London Heathrow

Wed 10/3

13:00-15:40

3 stops29h 40m

£941

Buenos AiresLondon

EZE Buenos Aires Ministro Pistarini - LHR London Heathrow

EZELHR

Buenos Aires Ministro Pistarini

Fri 5/2

16:45-07:10

2 stops35h 25m

London Heathrow

Wed 3/3

11:10-15:05

2 stops30h 55m

£942

Buenos AiresLondon

EZE Buenos Aires Ministro Pistarini - LTN London Luton

EZELTN

Buenos Aires Ministro Pistarini

Sun 18/10

19:45-18:05

1 stop18h 20m

London Luton

Mon 2/11

06:15-02:10

2 stops46h 55m

£943

Buenos AiresLondon

EZE Buenos Aires Ministro Pistarini - LHR London Heathrow

EZELHR

Buenos Aires Ministro Pistarini

Thu 10/12

13:35-08:20

1 stop15h 45m

London Heathrow

Tue 22/12

18:45-17:25

1 stop25h 40m

£974

Buenos AiresLondon

EZE Buenos Aires Ministro Pistarini - LHR London Heathrow

EZELHR

Buenos Aires Ministro Pistarini

Tue 1/12

13:35-08:20

Nonstop15h 45m

London Heathrow

Sun 3/1

18:45-08:40

1 stop16h 55m

£989

Buenos AiresLondon

AEP Buenos Aires Jorge Newbery - LHR London Heathrow

AEPLHR

Buenos Aires Jorge Newbery

Wed 4/11

18:20-14:05

1 stop16h 45m

London Heathrow

Tue 2/2

17:25-16:00

2 stops25h 35m

£1,011

Buenos AiresLondon

AEP Buenos Aires Jorge Newbery - LHR London Heathrow

AEPLHR

Buenos Aires Jorge Newbery

Thu 26/11

18:20-14:05

1 stop16h 45m

London Heathrow

Wed 2/12

16:30-09:40

2 stops20h 10m

£1,020

Buenos AiresLondon

EZE Buenos Aires Ministro Pistarini - LCY London City

EZELCY

Buenos Aires Ministro Pistarini

Mon 8/2

19:20-14:15

1 stop15h 55m

London City

Sun 28/2

19:15-09:10

1 stop16h 55m

£1,311

Fastest return journey

Buenos AiresLondon

EZE Buenos Aires Ministro Pistarini - LCY London City

EZELCY

Buenos Aires Ministro Pistarini

Tue 16/2

14:20-08:50

1 stop15h 30m

London City

Tue 23/2

19:15-08:40

1 stop16h 25m

£1,376

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Buenos Aires to United Kingdom

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

Prices

Airlines

Other information

What is the cheapest month to fly to United Kingdom?

The cheapest month to fly to United Kingdom from Buenos Aires is in February. Flight prices, which tend to average around £1,009, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of February, then departing from Buenos Aires during the month March is also very affordable. Most momondo users find prices during this month for around £1,009.

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

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

How far in advance should I book a flight from Buenos Aires to the United Kingdom?

You are more likely to see cheaper flights to United Kingdom from Buenos Aires when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £1,160 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Buenos Aires for as low as £972 on momondo.

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

There is only 1 cabin class available to choose from on Buenos Aires to United Kingdom 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 United Kingdom flights?

You could potentially save up to 3% on your flight if you consider stops on a Buenos Aires to United Kingdom flight.

Cheap Buenos Aires to United Kingdom flight deals and tips

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

Best price found	£306
Fastest flight time	15h 45m
Direct flights	Every day
Airports in United Kingdom	1,285 airports

The best one-way flight to United Kingdom from Buenos Aires in the past 72 hours is £306. The best return flight deal from Buenos Aires to United Kingdom found on momondo in the last 72 hours is £819.

The fastest flight from Buenos Aires to United Kingdom takes 15h 45m

Direct flights go from Buenos Aires to United Kingdom every day.

There are 1,285 airports in United Kingdom. From Buenos Aires there are direct flights to London Heathrow (LHR).

Search flight deals

Frequently asked questions about flying from Buenos Aires to the United Kingdom

When did momondo last update prices for flights from Buenos Aires to United Kingdom?
Prices for flights from Buenos Aires to United Kingdom are refreshed on a daily basis.
How many operators does momondo search for flights from Buenos Aires to United Kingdom?
As of September 2026, there are 2 operators available to choose from for flights from Buenos Aires to United Kingdom.
How old do you have to be to fly from Buenos Aires to United Kingdom?
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 United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Buenos Aires to United Kingdom?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Buenos Aires to United Kingdom is Boeing 777 (32.50% of total bookings). The next most popular plane models are Airbus A350-900 (32.50%), Airbus A330 (15.00%), and Boeing 787-9 Dreamliner (12.50%).

Best airlines flying from Buenos Aires to United Kingdom

Compare and see reviews for airlines that fly from Buenos Aires to United Kingdom with momondo

Airline	Rating	Free Cancellation	Price
LATAM Airlines	PriceFrom £545	Free Cancellation	Rating 7.4 1,984 reviews		Search LATAM Airlines flights
British Airways	PriceFrom £1,031	Free Cancellation	Rating 6.7 8,213 reviews		Search British Airways flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Buenos Aires to United Kingdom for you.

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

Yes. momondo allows you to filter the results for Buenos Aires to United Kingdom flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to United Kingdom from Buenos Aires. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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