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Cheap flights from the United Kingdom to Buenos Aires from £367

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 13/9. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the United Kingdom to Buenos Aires

Recent return flight deals from the United Kingdom to Buenos Aires

Enter your travel dates to find the best prices.
Multiple Airlines Logo
16:25 - 07:45
MAN
-
EZE
18h 20m
1 stop
Multiple Airlines Logo
14:25 - 12:15
EZE
-
MAN
18h 50m
1 stop
£695Multiple Airlines
Mon, 16 Nov - Sat, 12 Dec
Multiple Airlines Logo
15:55 - 07:45
MAN
-
EZE
18h 50m
1 stop
Multiple Airlines Logo
14:25 - 12:15
EZE
-
MAN
18h 50m
1 stop
£695Multiple Airlines
Tue, 24 Nov - Sat, 12 Dec
Lufthansa Logo
12:15 - 19:55
MAN
-
EZE
34h 40m
2 stops
Lufthansa Logo
22:20 - 23:20
EZE
-
MAN
22h 00m
2 stops
£722Lufthansa
Sat, 21 Nov - Sun, 13 Dec
Lufthansa Logo
12:15 - 08:45
MAN
-
EZE
23h 30m
2 stops
Lufthansa Logo
22:20 - 22:50
EZE
-
MAN
21h 30m
2 stops
£756Lufthansa
Wed, 18 Nov - Sun, 13 Dec
British Airways Logo
17:20 - 11:45
MAN
-
EZE
21h 25m
2 stops
British Airways Logo
13:35 - 14:00
EZE
-
MAN
21h 25m
2 stops
£840British Airways
Fri, 22 Jan - Mon, 1 Feb
Avianca Logo
21:40 - 15:50
LHR
-
EZE
21h 10m
1 stop
Avianca Logo
01:40 - 14:35
EZE
-
LHR
33h 55m
1 stop
£855Avianca
Sat, 9 Jan - Wed, 3 Feb
British Airways Logo
19:30 - 11:45
MAN
-
EZE
19h 15m
2 stops
British Airways Logo
13:35 - 14:00
EZE
-
MAN
21h 25m
2 stops
£857British Airways
Thu, 19 Nov - Sun, 13 Dec
Avianca Logo
22:05 - 15:40
LHR
-
EZE
21h 35m
1 stop
Avianca Logo
16:50 - 15:35
EZE
-
LHR
18h 45m
1 stop
£857Avianca
Mon, 14 Sep - Sun, 27 Sep
LATAM Airlines Logo
20:20 - 20:00
LHR
-
AEP
27h 40m
2 stops
LATAM Airlines Logo
18:20 - 15:05
AEP
-
LHR
16h 45m
1 stop
£875LATAM Airlines
Tue, 1 Sep - Tue, 29 Sep
LATAM Airlines Logo
21:20 - 09:40
LHR
-
AEP
16h 20m
1 stop
LATAM Airlines Logo
18:20 - 15:05
AEP
-
LHR
16h 45m
1 stop
£877LATAM Airlines
Tue, 1 Sep - Wed, 30 Sep

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LATAM Airlines flights from United Kingdom to Buenos Aires

Our best LATAM Airlines deals on United Kingdom to Buenos Aires flight tickets
LATAM Airlines
22 Sept
LHR20:20London Heathrow
32h 45m
2 stops
EZE01:05Buenos Aires Ministro Pistarini
6 Oct
EZE16:45Buenos Aires Ministro Pistarini
18h 20m
1 stop
LHR15:05London Heathrow
£861
LATAM Airlines
21 Sept
LHR20:15London Heathrow
32h 50m
2 stops
EZE01:05Buenos Aires Ministro Pistarini
28 Sept
EZE16:45Buenos Aires Ministro Pistarini
18h 20m
1 stop
LHR15:05London Heathrow
£863
LATAM Airlines
14 Sept
LHR06:15London Heathrow
22h 50m
2 stops
EZE01:05Buenos Aires Ministro Pistarini
30 Sept
EZE16:45Buenos Aires Ministro Pistarini
18h 20m
1 stop
LHR15:05London Heathrow
£871

British Airways flights from United Kingdom to Buenos Aires

Our best British Airways deals on United Kingdom to Buenos Aires flight tickets
British Airways
19 Nov
MAN19:30Manchester
19h 15m
2 stops
EZE11:45Buenos Aires Ministro Pistarini
13 Dec
EZE13:35Buenos Aires Ministro Pistarini
21h 25m
2 stops
MAN14:00Manchester
£857
British Airways
3 Sept
MAN16:25Manchester
22h 20m
2 stops
EZE10:45Buenos Aires Ministro Pistarini
17 Sept
EZE12:25Buenos Aires Ministro Pistarini
26h 50m
2 stops
MAN19:15Manchester
£857
British Airways
10 Sept
MAN14:00Manchester
24h 45m
2 stops
EZE10:45Buenos Aires Ministro Pistarini
17 Sept
EZE12:25Buenos Aires Ministro Pistarini
26h 50m
2 stops
MAN19:15Manchester
£878

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 1 August 2026.
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

Cheapest return flight

ManchesterBuenos Aires

MAN - EZE

MANEZE

Manchester

Mon 16/11

16:25-07:45

1 stop18h 20m

Buenos Aires Ministro Pistarini

Sat 12/12

14:25-12:15

1 stop18h 50m

£695

ManchesterBuenos Aires

MAN - EZE

MANEZE

Manchester

Tue 24/11

15:55-07:45

1 stop18h 50m

Buenos Aires Ministro Pistarini

Sat 12/12

14:25-12:15

1 stop18h 50m

£695

ManchesterBuenos Aires

MAN - EZE

MANEZE

Manchester

Sat 21/11

12:15-19:55

2 stops34h 40m

Buenos Aires Ministro Pistarini

Sun 13/12

22:20-23:20

2 stops22h 00m

£722

ManchesterBuenos Aires

MAN - EZE

MANEZE

Manchester

Wed 18/11

12:15-08:45

2 stops23h 30m

Buenos Aires Ministro Pistarini

Sun 13/12

22:20-22:50

2 stops21h 30m

£756

ManchesterBuenos Aires

MAN - EZE

MANEZE

Manchester

Fri 22/1

17:20-11:45

2 stops21h 25m

Buenos Aires Ministro Pistarini

Mon 1/2

13:35-14:00

2 stops21h 25m

£840

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Sat 9/1

21:40-15:50

1 stop21h 10m

Buenos Aires Ministro Pistarini

Wed 3/2

01:40-14:35

1 stop33h 55m

£855

ManchesterBuenos Aires

MAN - EZE

MANEZE

Manchester

Thu 19/11

19:30-11:45

2 stops19h 15m

Buenos Aires Ministro Pistarini

Sun 13/12

13:35-14:00

2 stops21h 25m

£857

LondonBuenos Aires

LHR - EZE

LHREZE

London Heathrow

Mon 14/9

22:05-15:40

1 stop21h 35m

Buenos Aires Ministro Pistarini

Sun 27/9

16:50-15:35

1 stop18h 45m

£857

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Tue 1/9

20:20-20:00

2 stops27h 40m

Buenos Aires Jorge Newbery

Tue 29/9

18:20-15:05

1 stop16h 45m

£875
Fastest return journey

LondonBuenos Aires

LHR - AEP

LHRAEP

London Heathrow

Tue 1/9

21:20-09:40

1 stop16h 20m

Buenos Aires Jorge Newbery

Wed 30/9

18:20-15:05

1 stop16h 45m

£877

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, May 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 £873. If you don’t want to visit Buenos Aires in May, then you should wait until September to fly from United Kingdom, when ticket prices are also cheap, with an average price of £905.

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 Wednesday when prices can be found for as low as £1,002. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday 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 £1,445.

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 £1,025 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 £799 on momondo.

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

There are 3 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.

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

£1,002

Fastest flight time

16h 00m

Direct flights

Every day

Airports in Buenos Aires

2 airports
The best flight deal from United Kingdom to Buenos Aires found on momondo in the last 72 hours is £1,002
The fastest flight from United Kingdom to Buenos Aires takes 16h 00m
Direct flights go from United Kingdom to Buenos Aires every day.
There are 2 airports in Buenos Aires. From United Kingdom there are direct flights to Buenos Aires Ministro Pistarini (EZE).
Search flight deals

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

  • 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
British AirwaysPriceFrom £678Free CancellationRating
6.7
8,136 reviews
Search British Airways flights
AviancaPriceFrom £691Free CancellationRating
6.5
2,523 reviews
Search Avianca flights
IberiaPriceFrom £691Free CancellationRating
7.0
3,264 reviews
Search Iberia flights
Turkish AirlinesPriceFrom £749Free CancellationRating
7.4
4,460 reviews
Search Turkish Airlines flights
Air FrancePriceFrom £788Free CancellationRating
7.5
1,632 reviews
Search Air France flights
LufthansaPriceFrom £808Free CancellationRating
6.8
8,176 reviews
Search Lufthansa flights
LATAM AirlinesPriceFrom £842Free CancellationRating
7.4
1,968 reviews
Search LATAM Airlines flights
American AirlinesPriceFrom £865Free CancellationRating
7.1
11,846 reviews
Search American Airlines flights
KLMPriceFrom £1,015Free CancellationRating
7.8
1,552 reviews
Search KLM 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