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Cheap flights from Buenos Aires to London from $614

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buenos Aires to London departing on 11/22. 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 Buenos Aires to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:40 am - 9:35 amEZE-LHR
27h 55m2 stops
Multiple Airlines Logo
9:30 am - 12:10 amLHR-EZE
42h 40m2 stops
$1,230Multiple Airlines
Find Deal
Sat, Apr 25 - Thu, May 28
Multiple Airlines Logo
11:50 am - 3:35 pmAEP-LHR
23h 45m2 stops
Multiple Airlines Logo
10:05 pm - 5:40 amLHR-AEP
35h 35m1 stop
$1,235Multiple Airlines
Find Deal
Wed, Apr 8 - Thu, Apr 30
LATAM Airlines Logo
2:55 pm - 4:35 pmAEP-LHR
22h 40m2 stops
LATAM Airlines Logo
8:15 pm - 9:40 amLHR-AEP
16h 25m1 stop
$1,238LATAM Airlines
Find Deal
Fri, Mar 13 - Mon, Mar 23
LATAM Airlines Logo
12:48 pm - 3:05 pmEZE-LHR
22h 17m2 stops
LATAM Airlines Logo
9:20 pm - 5:00 pmLHR-EZE
23h 40m1 stop
$1,240LATAM Airlines
Find Deal
Tue, Apr 28 - Fri, May 8
Iberia Logo
1:00 pm - 10:00 pmEZE-LGW
30h 00m1 stop
Iberia Logo
5:20 pm - 5:55 pmLGW-EZE
27h 35m1 stop
$1,240Iberia
Find Deal
Thu, Nov 20 - Tue, Nov 25
Iberia Logo
1:00 pm - 9:10 amEZE-LHR
17h 10m1 stop
Iberia Logo
6:50 pm - 5:55 pmLHR-EZE
26h 05m1 stop
$1,287Iberia
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Thu, Nov 20 - Tue, Nov 25
Air Europa Logo
1:15 pm - 9:00 amEZE-LGW
16h 45m1 stop
Air Europa Logo
10:00 am - 7:40 amLGW-EZE
25h 40m1 stop
$1,330Air Europa
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Sun, Mar 15 - Thu, Apr 16
American Airlines Logo
9:15 pm - 9:40 pmEZE-LHR
20h 25m1 stop
American Airlines Logo
12:15 pm - 7:35 amLHR-EZE
23h 20m1 stop
$1,362American Airlines
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Sun, Apr 26 - Thu, May 28
Air Europa Logo
1:15 pm - 4:25 pmEZE-LGW
24h 10m1 stop
Air Europa Logo
5:25 pm - 7:40 amLGW-EZE
18h 15m1 stop
$1,363Air Europa
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Sun, Mar 15 - Sun, Apr 19
American Airlines Logo
10:10 am - 12:20 pmEZE-LHR
23h 10m1 stop
American Airlines Logo
2:30 pm - 9:10 amLHR-EZE
21h 40m1 stop
$1,365American Airlines
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Mon, Jan 19 - Fri, Jan 30

Avianca flights from Buenos Aires to London

Our best Avianca deals on Buenos Aires to London flight tickets
Avianca
Nov 9
EZE7:30 amBuenos Aires Ministro Pistarini
28h 05m
1 stop
LHR2:35 pmLondon Heathrow
Feb 9
LHR9:40 pmLondon Heathrow
35h 10m
1 stop
EZE5:50 amBuenos Aires Ministro Pistarini
$1,236
Find similar
Avianca
Nov 9
AEP7:00 amBuenos Aires Jorge Newbery
28h 35m
1 stop
LHR2:35 pmLondon Heathrow
Feb 9
LHR9:40 pmLondon Heathrow
35h 00m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
$1,262
Find similar
Avianca
Apr 28
EZE1:40 amBuenos Aires Ministro Pistarini
33h 55m
1 stop
LHR3:35 pmLondon Heathrow
May 28
LHR10:05 pmLondon Heathrow
35h 40m
1 stop
EZE5:45 amBuenos Aires Ministro Pistarini
$1,361
Find similar

LATAM Airlines flights from Buenos Aires to London

Our best LATAM Airlines deals on Buenos Aires to London flight tickets
LATAM Airlines
Mar 13
AEP2:55 pmBuenos Aires Jorge Newbery
22h 40m
2 stops
LHR4:35 pmLondon Heathrow
Mar 23
LHR8:15 pmLondon Heathrow
16h 25m
1 stop
AEP9:40 amBuenos Aires Jorge Newbery
$1,238
Find similar
LATAM Airlines
Apr 28
EZE12:48 pmBuenos Aires Ministro Pistarini
22h 17m
2 stops
LHR3:05 pmLondon Heathrow
May 8
LHR9:20 pmLondon Heathrow
23h 40m
1 stop
EZE5:00 pmBuenos Aires Ministro Pistarini
$1,240
Find similar
LATAM Airlines
Apr 28
EZE12:48 pmBuenos Aires Ministro Pistarini
22h 17m
2 stops
LHR3:05 pmLondon Heathrow
May 8
LHR9:20 pmLondon Heathrow
23h 40m
1 stop
EZE5:00 pmBuenos Aires Ministro Pistarini
$1,241
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Buenos Aires to London 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 832,500 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Buenos Aires to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Buenos AiresLondon

EZE - LHR

EZELHR

Buenos Aires Ministro Pistarini

Sat 4/25

1:40 am-9:35 am

2 stops27h 55m

London Heathrow

Thu 5/28

9:30 am-12:10 am

2 stops42h 40m

$1,230

Buenos AiresLondon

AEP - LHR

AEPLHR

Buenos Aires Jorge Newbery

Wed 4/8

11:50 am-3:35 pm

2 stops23h 45m

London Heathrow

Thu 4/30

10:05 pm-5:40 am

1 stop35h 35m

$1,235

Buenos AiresLondon

AEP - LHR

AEPLHR

Buenos Aires Jorge Newbery

Fri 3/13

2:55 pm-4:35 pm

2 stops22h 40m

London Heathrow

Mon 3/23

8:15 pm-9:40 am

1 stop16h 25m

$1,238

Buenos AiresLondon

EZE - LHR

EZELHR

Buenos Aires Ministro Pistarini

Tue 4/28

12:48 pm-3:05 pm

2 stops22h 17m

London Heathrow

Fri 5/8

9:20 pm-5:00 pm

1 stop23h 40m

$1,240

Buenos AiresLondon

EZE - LGW

EZELGW

Buenos Aires Ministro Pistarini

Thu 11/20

1:00 pm-10:00 pm

1 stop30h 00m

London Gatwick

Tue 11/25

5:20 pm-5:55 pm

1 stop27h 35m

$1,240

Buenos AiresLondon

EZE - LHR

EZELHR

Buenos Aires Ministro Pistarini

Thu 11/20

1:00 pm-9:10 am

1 stop17h 10m

London Heathrow

Tue 11/25

6:50 pm-5:55 pm

1 stop26h 05m

$1,287

Buenos AiresLondon

EZE - LGW

EZELGW

Buenos Aires Ministro Pistarini

Sun 3/15

1:15 pm-9:00 am

1 stop16h 45m

London Gatwick

Thu 4/16

10:00 am-7:40 am

1 stop25h 40m

$1,330

Buenos AiresLondon

EZE - LHR

EZELHR

Buenos Aires Ministro Pistarini

Sun 4/26

9:15 pm-9:40 pm

1 stop20h 25m

London Heathrow

Thu 5/28

12:15 pm-7:35 am

1 stop23h 20m

$1,362

Buenos AiresLondon

EZE - LGW

EZELGW

Buenos Aires Ministro Pistarini

Sun 3/15

1:15 pm-4:25 pm

1 stop24h 10m

London Gatwick

Sun 4/19

5:25 pm-7:40 am

1 stop18h 15m

$1,363

Buenos AiresLondon

EZE - LHR

EZELHR

Buenos Aires Ministro Pistarini

Mon 1/19

10:10 am-12:20 pm

1 stop23h 10m

London Heathrow

Fri 1/30

2:30 pm-9:10 am

1 stop21h 40m

$1,365

Flights are sorted by cheapest round-trip flights first.

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

How to get the cheapest flight ticket from Buenos Aires to London

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 Buenos Aires and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from Buenos Aires is in February. Flight prices, which tend to average around $1,359, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Buenos Aires averaging around $1,365.

What is the cheapest time of day to depart on your flight to London?

Flying to London from Buenos Aires in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,364 when looking at flights departing in the afternoon. Flights to London are more costly in the evening, with an average ticket price of $1,387. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Buenos Aires to London flight route?

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

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

You are more likely to see cheaper flights to London from Buenos Aires when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $1,703 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Buenos Aires for as low as $1,288 on momondo.

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

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

You could potentially save up to 12% on your flight if you consider stops on a Buenos Aires to London flight.

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

As of October 2025, prices for Buenos Aires to London flights are approximately 10% more expensive when compared to flights at the same time last year.

When to book flights from Buenos Aires to London

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

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

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

Direct flights

None
There are no direct flights from Buenos Aires to London. There are no popular flight routes from Buenos Aires to London.
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  • How far is Buenos Aires to London by plane?

    The distance between Buenos Aires and London is about 6909.8 mi. By plane, this route typically takes 15h 55m.

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

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

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

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

    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 Buenos Aires to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents you'll need for your trip to London 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 London. 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 Buenos Aires to London?

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

Best airlines flying from Buenos Aires to London

Compare and see reviews for airlines that fly from Buenos Aires to London with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $1,172Free CancellationRating
6.8
7,541 reviews
Search Lufthansa flights
British AirwaysPriceFrom $1,381Free CancellationRating
6.7
7,487 reviews
Search British Airways flights
IberiaPriceFrom $1,390Free CancellationRating
7.0
3,002 reviews
Search Iberia flights

  • British Airways Flights From Buenos Aires to London

    British Airways is one of the most popular airlines flying from Buenos Aires to London, operating 7 flights/week on average for this route. A good British Airways flight deal for Buenos Aires to London starts from $1,381 round-trip, up to an average price of $1,862. Our users have rated British Airways at 6.7/10.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Chelmsford
Folkestone
Romford
Ilford
Cobham
Wembley
Stansted
Watford
Harrow

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Buenos Aires to London. momondo saves you time and could save you money on your trip.

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

Flights from Buenos Aires to London 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 Buenos Aires to London?

Once all potential Buenos Aires to London 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 Buenos Aires to London right now. Can momondo alert me if prices change?

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

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport