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Cheap flights from Buenos Aires to London from $521

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 11/12. 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

Logo
7:10 am - 1:50 pmEZE-LGW
27h 40m2 stops
Logo
7:00 am - 6:05 amLGW-EZE
26h 05m2 stops
$1,043
Find Deal
Tue, Nov 4 - Tue, Nov 11
Ethiopian Air Logo
9:55 pm - 7:00 amEZE-LHR
29h 05m2 stops
Ethiopian Air Logo
9:00 pm - 8:25 pmLHR-EZE
27h 25m2 stops
$1,092Ethiopian Air
Find Deal
Wed, Aug 20 - Wed, Sep 10
ITA Airways Logo
1:50 pm - 4:10 pmEZE-LCY
23h 20m1 stop
ITA Airways Logo
8:25 am - 7:50 pmLCY-EZE
38h 25m1 stop
$1,197ITA Airways
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Sun, Nov 2 - Thu, Nov 20
ITA Airways Logo
1:50 pm - 10:55 amEZE-LCY
18h 05m1 stop
ITA Airways Logo
4:45 pm - 7:50 pmLCY-EZE
30h 05m1 stop
$1,219ITA Airways
Find Deal
Mon, Nov 10 - Thu, Nov 27
LATAM Airlines Logo
12:40 pm - 2:05 pmAEP-LHR
22h 25m1 stop
LATAM Airlines Logo
7:05 pm - 4:00 pmLHR-AEP
23h 55m2 stops
$1,221LATAM Airlines
Find Deal
Sun, Nov 9 - Mon, Feb 9
LATAM Airlines Logo
2:30 am - 2:05 pmEZE-LHR
32h 35m1 stop
LATAM Airlines Logo
8:15 pm - 2:35 amLHR-EZE
33h 20m1 stop
$1,226LATAM Airlines
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Sat, Nov 15 - Sun, Nov 30
Iberia Logo
9:00 pm - 6:45 pmEZE-LGW
18h 45m1 stop
Iberia Logo
7:40 pm - 5:55 pmLGW-EZE
25h 15m1 stop
$1,243Iberia
Find Deal
Sun, Nov 9 - Mon, Feb 9
Iberia Logo
10:45 pm - 7:00 pmEZE-LGW
17h 15m1 stop
Iberia Logo
7:40 pm - 5:55 pmLGW-EZE
25h 15m1 stop
$1,343Iberia
Find Deal
Mon, Jan 26 - Tue, Feb 17
Air Europa Logo
1:15 pm - 4:25 pmEZE-LGW
24h 10m1 stop
Air Europa Logo
5:25 pm - 8:50 amLGW-EZE
18h 25m1 stop
$1,376Air Europa
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Mon, Nov 10 - Thu, Nov 27
Air Europa Logo
1:15 pm - 9:00 amEZE-LGW
16h 45m1 stop
Air Europa Logo
10:00 am - 8:50 amLGW-EZE
25h 50m1 stop
$1,377Air Europa
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Mon, Nov 10 - Thu, Nov 27

Air Canada flights from Buenos Aires to London

Our best Air Canada deals on Buenos Aires to London flight tickets
Air Canada
Nov 10
EZE4:45 pmBuenos Aires Ministro Pistarini
34h 45m
2 stops
LHR6:30 amLondon Heathrow
Nov 27
LHR9:00 amLondon Heathrow
33h 10m
3 stops
EZE3:10 pmBuenos Aires Ministro Pistarini
$1,139
Find similar
Air Canada
Nov 10
EZE4:45 pmBuenos Aires Ministro Pistarini
34h 45m
2 stops
LHR6:30 amLondon Heathrow
Nov 27
LHR9:00 amLondon Heathrow
33h 10m
3 stops
EZE3:10 pmBuenos Aires Ministro Pistarini
$1,140
Find similar
Air Canada
Nov 10
EZE4:45 pmBuenos Aires Ministro Pistarini
39h 35m
2 stops
LHR11:20 amLondon Heathrow
Nov 27
LHR6:00 pmLondon Heathrow
24h 10m
2 stops
EZE3:10 pmBuenos Aires Ministro Pistarini
$1,156
Find similar

LATAM Airlines flights from Buenos Aires to London

Our best LATAM Airlines deals on Buenos Aires to London flight tickets
LATAM Airlines
Nov 9
AEP12:40 pmBuenos Aires Jorge Newbery
22h 25m
1 stop
LHR2:05 pmLondon Heathrow
Feb 9
LHR7:05 pmLondon Heathrow
23h 55m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
$1,221
Find similar
LATAM Airlines
Nov 15
EZE2:30 amBuenos Aires Ministro Pistarini
32h 35m
1 stop
LHR2:05 pmLondon Heathrow
Nov 30
LHR8:15 pmLondon Heathrow
33h 20m
1 stop
EZE2:35 amBuenos Aires Ministro Pistarini
$1,226
Find similar
LATAM Airlines
Oct 22
AEP8:40 amBuenos Aires Jorge Newbery
26h 25m
2 stops
LHR3:05 pmLondon Heathrow
Nov 12
LHR11:25 amLondon Heathrow
34h 15m
2 stops
AEP6:40 pmBuenos Aires Jorge Newbery
$1,228
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 July 31, 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 - LGW

EZELGW

Buenos Aires Ministro Pistarini

Tue 11/4

7:10 am-1:50 pm

2 stops27h 40m

London Gatwick

Tue 11/11

7:00 am-6:05 am

2 stops26h 05m

$1,043

Buenos AiresLondon

EZE - LHR

EZELHR

Buenos Aires Ministro Pistarini

Wed 8/20

9:55 pm-7:00 am

2 stops29h 05m

London Heathrow

Wed 9/10

9:00 pm-8:25 pm

2 stops27h 25m

$1,092

Buenos AiresLondon

EZE - LCY

EZELCY

Buenos Aires Ministro Pistarini

Sun 11/2

1:50 pm-4:10 pm

1 stop23h 20m

London City

Thu 11/20

8:25 am-7:50 pm

1 stop38h 25m

$1,197

Buenos AiresLondon

EZE - LCY

EZELCY

Buenos Aires Ministro Pistarini

Mon 11/10

1:50 pm-10:55 am

1 stop18h 05m

London City

Thu 11/27

4:45 pm-7:50 pm

1 stop30h 05m

$1,219

Buenos AiresLondon

AEP - LHR

AEPLHR

Buenos Aires Jorge Newbery

Sun 11/9

12:40 pm-2:05 pm

1 stop22h 25m

London Heathrow

Mon 2/9

7:05 pm-4:00 pm

2 stops23h 55m

$1,221

Buenos AiresLondon

EZE - LHR

EZELHR

Buenos Aires Ministro Pistarini

Sat 11/15

2:30 am-2:05 pm

1 stop32h 35m

London Heathrow

Sun 11/30

8:15 pm-2:35 am

1 stop33h 20m

$1,226

Buenos AiresLondon

EZE - LGW

EZELGW

Buenos Aires Ministro Pistarini

Sun 11/9

9:00 pm-6:45 pm

1 stop18h 45m

London Gatwick

Mon 2/9

7:40 pm-5:55 pm

1 stop25h 15m

$1,243

Buenos AiresLondon

EZE - LGW

EZELGW

Buenos Aires Ministro Pistarini

Mon 1/26

10:45 pm-7:00 pm

1 stop17h 15m

London Gatwick

Tue 2/17

7:40 pm-5:55 pm

1 stop25h 15m

$1,343

Buenos AiresLondon

EZE - LGW

EZELGW

Buenos Aires Ministro Pistarini

Mon 11/10

1:15 pm-4:25 pm

1 stop24h 10m

London Gatwick

Thu 11/27

5:25 pm-8:50 am

1 stop18h 25m

$1,376

Buenos AiresLondon

EZE - LGW

EZELGW

Buenos Aires Ministro Pistarini

Mon 11/10

1:15 pm-9:00 am

1 stop16h 45m

London Gatwick

Thu 11/27

10:00 am-8:50 am

1 stop25h 50m

$1,377

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 cheapest month to fly to London?

The cheapest month to fly to London from Buenos Aires is in November. Flight prices, which tend to average around $1,381, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Buenos Aires averaging around $1,398.

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 morning, with an average ticket price of $1,436. Departure times in the morning 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 $1,773 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 $1,510 on momondo.

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

There are 1 cabin classes 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.

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

As of July 2025, prices for Buenos Aires to London flights are approximately 7% cheaper 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

Best Price Found

$521

Fastest flight time

15h 30m

Direct flights

None

Airports in London

3 airports
The best one-way flight to London from Buenos Aires in the past 72 hours is $521. The best round-trip flight deal from Buenos Aires to London found on momondo in the last 72 hours is $1,043.
The fastest flight from Buenos Aires to London takes 15h 30m
There are no direct flights from Buenos Aires to London. Popular non-direct routes for this connection are Buenos Aires Ministro Pistarini Airport - London Heathrow Airport, Buenos Aires Jorge Newbery Airport - London Heathrow Airport and Buenos Aires Ministro Pistarini Airport - London Gatwick Airport.
There are 3 airports near London: London City (LCY), London Heathrow (LHR), London Gatwick (LGW)
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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 30m.

  • 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 $1,100Free CancellationRating
6.8
7,275 reviews
Search Lufthansa flights
British AirwaysPriceFrom $1,318Free CancellationRating
6.6
7,222 reviews
Search British Airways 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 3 flights/week on average for this route. A good British Airways flight deal for Buenos Aires to London starts from $1,318 round-trip, up to an average price of $1,576. Our users have rated British Airways at 6.6/10.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Dover
Slough
Luton
Dartford
Guildford
Milton Keynes
Stansted
Hayes
Crawley
Croydon
Chelmsford
Ilford
Brentwood
Colchester
Folkestone
Watford
Canterbury
Richmond

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