Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from London to Buenos Aires from $735

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
12:05 pm - 7:20 amLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
22h 15m1 stop Houston George Bush Intcntl
United Airlines Logo
11:55 pm - 10:15 amEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
31h 20m1 stop Houston George Bush Intcntl
$1,295United Airlines
Sun, Nov 22 - Sun, Dec 6
Multiple Airlines Logo
8:30 am - 7:55 amLGW  London Gatwick-EZE Buenos Aires Ministro Pistarini
26h 25m3 stops Barcelona-El Prat Munich Franz Josef Strauss Frankfurt am Main
Multiple Airlines Logo
1:55 pm - 1:50 pmEZE  Buenos Aires Ministro Pistarini-LGW London Gatwick
20h 55m2 stops Rome Fiumicino Barcelona-El Prat
$1,296Multiple Airlines
Sat, Nov 21 - Sun, Dec 6
United Airlines Logo
12:05 pm - 7:20 amLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
22h 15m1 stop Houston George Bush Intcntl
United Airlines Logo
10:05 pm - 5:55 amEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
28h 50m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$1,296United Airlines
Mon, Nov 16 - Tue, Dec 8
Multiple Airlines Logo
3:45 pm - 10:30 amLHR  London Heathrow-AEP Buenos Aires Jorge Newbery
21h 45m2 stops Madrid Barajas Sao Paulo Guarulhos Intl
Multiple Airlines Logo
9:45 pm - 2:05 pmAEP  Buenos Aires Jorge Newbery-LHR London Heathrow
37h 20m1 stop Sao Paulo Guarulhos Intl
$1,297Multiple Airlines
Tue, Mar 2 - Sat, Mar 20
United Airlines Logo
12:05 pm - 9:20 amLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
24h 15m1 stop Houston George Bush Intcntl
United Airlines Logo
10:05 pm - 5:55 amEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
28h 50m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$1,297United Airlines
Mon, Nov 23 - Tue, Dec 8
Air Canada Logo
6:00 pm - 3:05 pmLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
24h 05m2 stops Toronto Pearson Intl Sao Paulo Guarulhos Intl
Air Canada Logo
4:50 pm - 11:20 amEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
39h 30m2 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl
$1,298Air Canada
Tue, Mar 2 - Sat, Mar 20
Multiple Airlines Logo
6:15 am - 4:10 amSTN  London Stansted-EZE Buenos Aires Ministro Pistarini
24h 55m1 stop Madrid Barajas
Multiple Airlines Logo
11:55 pm - 7:25 pmEZE  Buenos Aires Ministro Pistarini-STN London Stansted
16h 30m1 stop Madrid Barajas
$1,298Multiple Airlines
Thu, Nov 26 - Mon, Dec 7
Air Canada Logo
6:00 pm - 3:05 pmLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
24h 05m2 stops Toronto Pearson Intl Sao Paulo Guarulhos Intl
Air Canada Logo
4:50 pm - 11:20 amEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
39h 30m2 stops Sao Paulo Guarulhos Intl Toronto Pearson Intl
$1,300Air Canada
Tue, Mar 2 - Sat, Mar 20
Multiple Airlines Logo
9:00 am - 4:00 pmLGW  London Gatwick-EZE Buenos Aires Ministro Pistarini
34h 00m3 stops Barcelona-El Prat Zurich Sao Paulo Guarulhos Intl
Multiple Airlines Logo
5:00 pm - 9:05 pmEZE  Buenos Aires Ministro Pistarini-LGW London Gatwick
25h 05m3 stops Sao Paulo Guarulhos Intl Munich Franz Josef Strauss Barcelona-El Prat
$1,300Multiple Airlines
Thu, Dec 3 - Thu, Dec 10
LATAM Airlines Logo
6:15 am - 6:20 amLHR  London Heathrow-EZE Buenos Aires Ministro Pistarini
27h 05m2 stops Madrid Barajas Lima J Chavez Intl
LATAM Airlines Logo
2:05 am - 5:35 pmEZE  Buenos Aires Ministro Pistarini-LHR London Heathrow
36h 30m2 stops Sao Paulo Guarulhos Intl Rome Fiumicino
$1,301LATAM Airlines
Fri, Nov 27 - Sun, Dec 6

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize 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

Turkish Airlines flights from London to Buenos Aires

Our best Turkish Airlines deals on London to Buenos Aires flight tickets
Turkish Airlines
Mar 12
STN10:55 amLondon Stansted
38h 30m
2 stops
EZE10:25 pmBuenos Aires Ministro Pistarini
Mar 29
EZE11:55 pmBuenos Aires Ministro Pistarini
29h 10m
2 stops
STN9:05 amLondon Stansted
$1,376
Turkish Airlines
Apr 7
STN10:10 amLondon Stansted
40h 15m
2 stops
EZE10:25 pmBuenos Aires Ministro Pistarini
Apr 14
EZE11:55 pmBuenos Aires Ministro Pistarini
29h 10m
2 stops
STN9:05 amLondon Stansted
$1,381
Turkish Airlines
Mar 2
LGW10:05 amLondon Gatwick
39h 20m
2 stops
EZE10:25 pmBuenos Aires Ministro Pistarini
Mar 6
EZE11:55 pmBuenos Aires Ministro Pistarini
30h 15m
2 stops
LGW9:10 amLondon Gatwick
$1,384

United Airlines flights from London to Buenos Aires

Our best United Airlines deals on London to Buenos Aires flight tickets
United Airlines
Nov 22
LHR12:05 pmLondon Heathrow
22h 15m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Dec 8
EZE11:55 pmBuenos Aires Ministro Pistarini
31h 20m
1 stop
LHR10:15 amLondon Heathrow
$1,295
United Airlines
Nov 16
LHR12:05 pmLondon Heathrow
22h 15m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Dec 8
EZE10:05 pmBuenos Aires Ministro Pistarini
28h 50m
2 stops
LHR5:55 amLondon Heathrow
$1,296
United Airlines
Nov 23
LHR12:05 pmLondon Heathrow
24h 15m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Dec 8
EZE10:05 pmBuenos Aires Ministro Pistarini
28h 50m
2 stops
LHR5:55 amLondon Heathrow
$1,297

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Sun 11/22

12:05 pm-7:20 am

1 stop22h 15m

Buenos Aires Ministro Pistarini

Sun 12/6

11:55 pm-10:15 am

1 stop31h 20m

$1,295

LondonBuenos Aires

LGW London Gatwick - EZE Buenos Aires Ministro Pistarini

LGWEZE

London Gatwick

Sat 11/21

8:30 am-7:55 am

3 stops26h 25m

Buenos Aires Ministro Pistarini

Sun 12/6

1:55 pm-1:50 pm

2 stops20h 55m

$1,296

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 11/16

12:05 pm-7:20 am

1 stop22h 15m

Buenos Aires Ministro Pistarini

Tue 12/8

10:05 pm-5:55 am

2 stops28h 50m

$1,296

LondonBuenos Aires

LHR London Heathrow - AEP Buenos Aires Jorge Newbery

LHRAEP

London Heathrow

Tue 3/2

3:45 pm-10:30 am

2 stops21h 45m

Buenos Aires Jorge Newbery

Sat 3/20

9:45 pm-2:05 pm

1 stop37h 20m

$1,297

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Mon 11/23

12:05 pm-9:20 am

1 stop24h 15m

Buenos Aires Ministro Pistarini

Tue 12/8

10:05 pm-5:55 am

2 stops28h 50m

$1,297

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Tue 3/2

6:00 pm-3:05 pm

2 stops24h 05m

Buenos Aires Ministro Pistarini

Sat 3/20

4:50 pm-11:20 am

2 stops39h 30m

$1,298
Quickest round-trip

LondonBuenos Aires

STN London Stansted - EZE Buenos Aires Ministro Pistarini

STNEZE

London Stansted

Thu 11/26

6:15 am-4:10 am

1 stop24h 55m

Buenos Aires Ministro Pistarini

Mon 12/7

11:55 pm-7:25 pm

1 stop16h 30m

$1,298

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Tue 3/2

6:00 pm-3:05 pm

2 stops24h 05m

Buenos Aires Ministro Pistarini

Sat 3/20

4:50 pm-11:20 am

2 stops39h 30m

$1,300

LondonBuenos Aires

LGW London Gatwick - EZE Buenos Aires Ministro Pistarini

LGWEZE

London Gatwick

Thu 12/3

9:00 am-4:00 pm

3 stops34h 00m

Buenos Aires Ministro Pistarini

Thu 12/10

5:00 pm-9:05 pm

3 stops25h 05m

$1,300

LondonBuenos Aires

LHR London Heathrow - EZE Buenos Aires Ministro Pistarini

LHREZE

London Heathrow

Fri 11/27

6:15 am-6:20 am

2 stops27h 05m

Buenos Aires Ministro Pistarini

Sun 12/6

2:05 am-5:35 pm

2 stops36h 30m

$1,301

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to Buenos Aires from

How to get the cheapest flight ticket from London 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 typical price of a round-trip flight between London and Buenos Aires?

Prices are currently typical for flights on this route.

Typical prices usually range from $1,211 to $1,554.
The lowest price recently found on this route was $1,295.

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from London is in May. Flight prices, which tend to average around $1,166, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Buenos Aires from London during April instead. Flights to Buenos Aires in April, while not as cheap as those in May, still average around $1,236.

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

You are more likely to see cheaper flights to Buenos Aires from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $1,400 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from London for as low as $1,273 on momondo.

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

You could potentially save up to 13% on your flight if you consider stops on a London to Buenos Aires flight.

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

As of November 2026, prices for London to Buenos Aires flights are approximately 2% cheaper when compared to flights at the same time last year.

When to book flights from London to Buenos Aires

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

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

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

Best Price Found

$735

Fastest flight time

16h 15m

Direct flights

Every day

Airports in Buenos Aires

2 airports
The best one-way flight to Buenos Aires from London in the past 72 hours is $735. The best round-trip flight deal from London to Buenos Aires found on momondo in the last 72 hours is $1,295.
The fastest flight from London to Buenos Aires takes 16h 15m
Direct flights go from London to Buenos Aires every day.
There are 2 airports in Buenos Aires. From London there are direct flights to Buenos Aires Ministro Pistarini (EZE).
Search flight deals

Frequently asked questions about flying from London to Buenos Aires

  • How far is London to Buenos Aires by plane?

    Buenos Aires is 6909.8 mi away from London. A reasonable flight in good conditions will take 16h 15m.

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

    Prices for flights from London to Buenos Aires refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Buenos Aires.

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

    The travel and health documents required for your trip to Buenos Aires 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 Buenos Aires. 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 London to Buenos Aires?

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

Why use momondo?

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

Finding the right flight to Buenos Aires from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Buenos Aires quick and easy, saving you time and money.

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

All flight searches from London to Buenos Aires on momondo can be filtered to show those which offer flexible booking policies.

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?

If you are simply researching potential flights to Buenos Aires, momondo offers a useful price alert feature which will track prices for flights to Buenos Aires from London and alert you when they change.

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize 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
Thu 12/3
Thu 12/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport