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Cheap flights from Buenos Aires to London Heathrow Airport from £434

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 Heathrow Airport departing on 7/4. 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 return flights

These are some of the best return flight deals from Buenos Aires to London that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Buenos Aires to London.

Cheap last-minute flights

Planning a quick getaway from Buenos Aires to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Buenos Aires to London

Find recent return train or bus tickets from Buenos Aires to London.

All return flight deals from Buenos Aires to London

The cheapest plane tickets from Buenos Aires to London found on KAYAK recently.
00:05 - 17:45AEP-LHR
37h 40m2 stops
11:20 - 06:40LHR-AEP
23h 20m2 stops
Wed, 30 Apr - Sun, 11 May
00:05 - 13:45AEP-LHR
34h 40m2 stops
08:40 - 06:40LHR-AEP
26h 00m2 stops
Sun, 23 Feb - Sun, 13 Apr
16:00 - 06:30EZE-LHR
35h 30m2 stops
11:10 - 14:25LHR-EZE
30h 15m2 stops
£914Air Canada
Find Deal
Thu, 13 Mar - Fri, 28 Mar
16:00 - 06:30EZE-LHR
35h 30m2 stops
11:10 - 14:25LHR-EZE
30h 15m2 stops
£941Air Canada
Find Deal
Thu, 13 Mar - Fri, 21 Mar
16:00 - 06:30EZE-LHR
35h 30m1 stop
11:10 - 14:25LHR-EZE
30h 15m1 stop
£963Lufthansa
Find Deal
Thu, 13 Mar - Fri, 21 Mar
16:00 - 07:10EZE-LHR
36h 10m2 stops
11:10 - 14:25LHR-EZE
30h 15m1 stop
£965Lufthansa
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Thu, 13 Mar - Fri, 21 Mar
19:10 - 16:35EZE-LHR
18h 25m1 stop
17:25 - 08:40LHR-EZE
18h 15m1 stop
£989Iberia
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Mon, 17 Mar - Thu, 27 Mar
12:15 - 07:55EZE-LHR
15h 40mdirect
21:55 - 10:35LHR-EZE
16h 40mdirect
£1,030British Airways
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Thu, 22 May - Thu, 12 Jun
22:45 - 17:15EZE-LHR
15h 30m1 stop
19:40 - 08:40LHR-EZE
16h 00m1 stop
£1,042Iberia
Find Deal
Thu, 13 Mar - Fri, 28 Mar
12:15 - 07:55EZE-LHR
15h 40mdirect
20:00 - 16:20LHR-EZE
24h 20m1 stop
£1,056British Airways
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Wed, 9 Apr - Wed, 30 Apr
10:20 - 15:35AEP-LHR
25h 15m2 stops
Mon, 7 Apr
23:10 - 14:35AEP-LHR
36h 25m2 stops
Tue, 4 Mar
23:10 - 14:35AEP-LHR
36h 25m2 stops
Sun, 9 Feb
22:05 - 07:30EZE-LHR
30h 25m1 stop
£514United Airlines
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Thu, 13 Feb
23:55 - 07:30EZE-LHR
28h 35m1 stop
£515United Airlines
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Sun, 9 Feb
21:05 - 07:30EZE-LHR
31h 25m1 stop
£525Lufthansa
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Sun, 9 Mar
19:45 - 20:05EZE-LHR
21h 20m1 stop
£747Iberia
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Thu, 6 Mar
13:00 - 09:10EZE-LHR
17h 10m1 stop
£811Iberia
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Sat, 1 Mar
13:35 - 08:35EZE-LHR
16h 00mdirect
£898British Airways
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Mon, 3 Mar
13:35 - 08:35EZE-LHR
16h 00mdirect
£943British Airways
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Wed, 29 Jan
17:50 - 15:45EZE-LHR
18h 55m1 stop
18:30 - 07:55LHR-EZE
16h 25m1 stop
£1,622Lufthansa
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Mon, 20 Jan - Wed, 5 Feb
17:00 - 07:10EZE-LHR
35h 10m2 stops
15:00 - 15:25LHR-EZE
27h 25m2 stops
£1,631Air Canada
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Mon, 20 Jan - Mon, 27 Jan
17:50 - 15:50EZE-LHR
19h 00m2 stops
18:30 - 07:55LHR-EZE
16h 25m1 stop
£1,640Lufthansa
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Mon, 20 Jan - Wed, 5 Feb
14:40 - 13:00EZE-LHR
19h 20m2 stops
17:30 - 07:55LHR-EZE
17h 25m1 stop
£1,654
Find Deal
Sat, 18 Jan - Fri, 24 Jan
23:55 - 07:30EZE-LHR
28h 35m1 stop
12:50 - 09:20LHR-EZE
23h 30m1 stop
£1,680United Airlines
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Mon, 20 Jan - Wed, 5 Feb
23:55 - 05:55EZE-LHR
27h 00m2 stops
12:50 - 09:20LHR-EZE
23h 30m1 stop
£2,118United Airlines
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Mon, 20 Jan - Wed, 5 Feb
01:45 - 14:35EZE-LHR
33h 50m1 stop
15:00 - 15:25LHR-EZE
27h 25m2 stops
£2,203
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Sun, 19 Jan - Mon, 27 Jan
13:00 - 09:10EZE-LHR
17h 10m1 stop
20:50 - 11:10LHR-EZE
17h 20m1 stop
£2,306Iberia
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Mon, 20 Jan - Thu, 23 Jan
13:35 - 08:35EZE-LHR
16h 00mdirect
22:10 - 11:50LHR-EZE
16h 40mdirect
£2,356British Airways
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Mon, 20 Jan - Mon, 27 Jan
14:20 - 08:25EZE-LHR
15h 05m1 stop
22:10 - 11:50LHR-EZE
16h 40mdirect
£2,991British Airways
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Sat, 18 Jan - Thu, 30 Jan
12:15 - 07:55EZE-LHR
15h 40mdirect
21:55 - 10:35LHR-EZE
16h 40mdirect
£1,030British Airways
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Thu, 22 May - Thu, 12 Jun
12:15 - 07:55EZE-LHR
15h 40mdirect
21:55 - 10:35LHR-EZE
16h 40mdirect
£1,044British Airways
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Wed, 9 Apr - Wed, 30 Apr
12:15 - 08:10EZE-LHR
15h 55mdirect
22:00 - 10:35LHR-EZE
16h 35mdirect
£1,069British Airways
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Tue, 8 Apr - Tue, 29 Apr
12:15 - 08:15EZE-LHR
16h 00mdirect
21:55 - 10:35LHR-EZE
16h 40mdirect
£1,096British Airways
Find Deal
Fri, 23 May - Wed, 11 Jun
12:15 - 08:10EZE-LHR
15h 55mdirect
21:55 - 10:35LHR-EZE
16h 40mdirect
£1,117British Airways
Find Deal
Mon, 31 Mar - Sun, 20 Apr
12:15 - 08:10EZE-LHR
15h 55mdirect
22:00 - 10:35LHR-EZE
16h 35mdirect
£1,134British Airways
Find Deal
Mon, 12 May - Mon, 26 May
13:35 - 08:35EZE-LHR
16h 00mdirect
22:10 - 11:50LHR-EZE
16h 40mdirect
£1,159British Airways
Find Deal
Mon, 17 Mar - Thu, 27 Mar
12:15 - 07:55EZE-LHR
15h 40mdirect
21:55 - 10:35LHR-EZE
16h 40mdirect
£1,165British Airways
Find Deal
Wed, 30 Apr - Wed, 21 May
12:15 - 07:55EZE-LHR
15h 40mdirect
21:55 - 10:35LHR-EZE
16h 40mdirect
£1,243British Airways
Find Deal
Sun, 1 Jun - Sun, 15 Jun
12:15 - 07:55EZE-LHR
15h 40mdirect
21:55 - 10:35LHR-EZE
16h 40mdirect
£1,308British Airways
Find Deal
Sun, 1 Jun - Sun, 15 Jun

Iberia flights from Buenos Aires to London Heathrow Airport

Our best Iberia deals on Buenos Aires to London Heathrow Airport flight tickets
Iberia
17 Mar
EZE19:10Buenos Aires Ministro Pistarini
18h 25m
1 stop
LHR16:35London Heathrow
27 Mar
LHR17:25London Heathrow
18h 15m
1 stop
EZE08:40Buenos Aires Ministro Pistarini
Iberia
13 Mar
EZE22:45Buenos Aires Ministro Pistarini
15h 30m
1 stop
LHR17:15London Heathrow
28 Mar
LHR19:40London Heathrow
16h 00m
1 stop
EZE08:40Buenos Aires Ministro Pistarini
Iberia
28 Jan
EZE22:35Buenos Aires Ministro Pistarini
16h 40m
1 stop
LHR18:15London Heathrow
11 Feb
LHR18:45London Heathrow
16h 55m
1 stop
EZE08:40Buenos Aires Ministro Pistarini

Lufthansa flights from Buenos Aires to London Heathrow Airport

Our best Lufthansa deals on Buenos Aires to London Heathrow Airport flight tickets
Lufthansa
13 Mar
EZE16:00Buenos Aires Ministro Pistarini
35h 30m
1 stop
LHR06:30London Heathrow
21 Mar
LHR11:10London Heathrow
30h 15m
1 stop
EZE14:25Buenos Aires Ministro Pistarini
Lufthansa
13 Mar
EZE16:00Buenos Aires Ministro Pistarini
36h 10m
2 stops
LHR07:10London Heathrow
21 Mar
LHR11:10London Heathrow
30h 15m
1 stop
EZE14:25Buenos Aires Ministro Pistarini
Lufthansa
24 Feb
EZE23:55Buenos Aires Ministro Pistarini
27h 25m
2 stops
LHR06:20London Heathrow
13 Apr
LHR18:00London Heathrow
42h 00m
2 stops
EZE08:00Buenos Aires Ministro Pistarini

See travel insights to London from

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

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 Heathrow Airport?

In general, August is the cheapest month to fly from Buenos Aires to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £1,145. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Buenos Aires averaging around £1,195.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Buenos Aires is on a Saturday. momondo users have found tickets for Saturday departures for as low as £1,190. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Sunday is £1,496.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Buenos Aires to London Heathrow Airport in the afternoon for as low as £1,150. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £1,305 on average. Flights to London Heathrow Airport from Buenos Aires in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Buenos Aires to London Heathrow flight route?

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

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

You are more likely to see cheaper flights to London Heathrow Airport from Buenos Aires when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £1,440 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Buenos Aires for as low as £1,027 on momondo.

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

There are 2 cabin classes available to choose from on Buenos Aires to London Heathrow 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 Heathrow Airport flight prices changed over time?

As of January 2025, prices for Buenos Aires to London Heathrow Airport flights are approximately 17% cheaper when compared to flights at the same time last year.

When to book flights from Buenos Aires to London Heathrow Airport

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

Cheap Buenos Aires to London Heathrow Airport (BUE to LHR) flight deals and tips

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

Best price found

£434

Fastest flight time

15h 30m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sun
The best one-way flight to London Heathrow Airport from Buenos Aires in the past 72 hours is £434. The best return flight deal from Buenos Aires to London Heathrow Airport found on momondo in the last 72 hours is £875.
The fastest flight from Buenos Aires to London Heathrow Airport takes 15h 30m
Direct flights go from Buenos Aires to London Heathrow Airport on Monday, Tuesday, Wednesday, Thursday, Friday and Sunday. Airline offering direct flights is British Airways..

  • How far is Buenos Aires to London Heathrow by plane?

    London Heathrow is 6898.3 mi away from Buenos Aires. 15h 30m is a normal flight duration for this route.

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

    Prices for flights from Buenos Aires to London Heathrow Airport refresh daily.

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

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

    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 London Heathrow Airport.

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

    The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Buenos Aires to London Heathrow Airport?

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


Best airlines flying from Buenos Aires to London Heathrow Airport

Compare and see reviews for airlines that fly from Buenos Aires to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom £927Free CancellationRating
6.7
7,094 reviews
Search Lufthansa flights
British AirwaysPriceFrom £1,050Free CancellationRating
6.6
6,824 reviews
Search British Airways flights
LATAM AirlinesPriceFrom £1,153Free CancellationRating
7.5
1,854 reviews
Search LATAM Airlines flights
  • British Airways Flights From Buenos Aires to London Heathrow Airport

    British Airways flight deals from Buenos Aires to London Heathrow Airport start from £1,283 round-trip. Over the 7 British Airways flights for this route in a normal week, average airfare is usually £1,758 round-trip - but some users have found much cheaper deals with momondo.


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Why use momondo?

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

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 London for you.

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

Yes. momondo enables you to select and highlight flights to London from Buenos Aires with this policy.

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

momondo helps you find the best flight between Buenos Aires and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to London from Buenos Aires are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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