Are direct flights from London to Buenos Aires always the best option?

Direct flights offer convenience and save time, but they are not always the most budget-friendly choice. Flights with layovers can sometimes be considerably cheaper, depending on the route and airline. Consider your priorities for cost versus travel duration.

Can flexible travel dates help on London to Buenos Aires flights?

Yes, having flexible travel dates can significantly impact the price of your flight. Traveling during off-peak seasons or on weekdays often results in lower fares compared to peak travel times or weekends. Even shifting your departure or return by a day or two may yield savings.

What extra costs should I check before booking London to Buenos Aires flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight meal costs. Some airlines may also charge for printing boarding passes or for certain payment methods. Being aware of these can help you calculate the total travel expense.

Flights From London

To Buenos Aires

Cheap Flights from London to Buenos Aires

Browse current best options from London. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

London

RatePunk searches hundreds of travel sites at once for deals on flights to Buenos Aires

Prices updated 1 day ago

461 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 14, 2026.)

Today’s best flight deals from London to Buenos Aires

Explore current cheapest deals departing from London to Buenos Aires

2027-02-23 – 2027-03-04
LON - Buenos Aires
78% AI deal score
£920
£824
Round trip
2027-02-23 – 2027-03-08
LON - Buenos Aires
78% AI deal score
£926
£824
Round trip
2027-02-04 – 2027-02-09
LON - Buenos Aires
76% AI deal score
£890
£831
Round trip
2027-02-11 – 2027-03-04
LON - Buenos Aires
77% AI deal score
£896
£833
Round trip
2027-03-26 – 2027-04-07
LON - Buenos Aires
78% AI deal score
£977
£840
Round trip
2027-02-14 – 2027-02-23
LON - Buenos Aires
78% AI deal score
£950
£854
Round trip
2027-02-21 – 2027-03-04
LON - Buenos Aires
76% AI deal score
£914
£854
Round trip
2027-02-21 – 2027-03-07
LON - Buenos Aires
75% AI deal score
£913
£854
Round trip
2027-02-21 – 2027-03-08
LON - Buenos Aires
75% AI deal score
£910
£854
Round trip
2027-02-22 – 2027-03-07
LON - Buenos Aires
79% AI deal score
£975
£854
Round trip

London to Buenos Aires: Overview

Insights for flights from London to Buenos Aires

A typical journey from London to Buenos Aires takes about 23h 58m, including connections. Given that most itineraries for this route involve at least one stop, this duration reflects the overall travel time you can expect. This is a long-haul route, covering a substantial distance of 11,137 km.

If you are looking for cheap flights from London to Buenos Aires, fares are typically $1052–$1829, with a median of $1512. Right now, current fares are above the typical level. Only 5% of recent fares were classified as a good price, indicating that finding lower prices may require some flexibility. New deals appear almost daily, so setting up a price alert could be beneficial.

When is the cheapest time to fly from London to Buenos Aires? The data indicates that April is often the most affordable month, with a median fare of $695. Following April, June also presents more budget-friendly options, with a median fare of $960. March is another relatively cheaper month, showing a median fare of $997.

Most itineraries from London to Buenos Aires connect at least once, as 0% of recent fares were for direct flights. When flights do connect, the typical number of stopovers is 2. This means you should anticipate a journey that includes at least one layover on this route.

How much is a round trip from London to Buenos Aires

Regular price: £922 - £1,688

Prices are currently below the regular range.

The regular price range for flights from London to Buenos Aires is 922 GBP to 1688 GBP. The current lowest deal is 572 GBP with Ryanair for travel from Nov 16-Nov 26.

now £572

Low £922

High £1,688

The cheapest time to fly from London to Buenos Aires

For flights from London to Buenos Aires, the cheapest month to fly is March, with a median price of $940. The most expensive month is December, with a median price of $1775. Prices are generally lower from January to November.

March

Cheapest

Flights from £940

December

Most Expensive

Flights from £1,775

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from London to Buenos Aires

Ryanair

British Airways

Air Canada

Air Europa

Last-minute flights going from London to Buenos Aires

Wed, Sep 16

⌛ Last-Minute

LHR - Buenos Aires

London (LHR) - Buenos Aires (EZE)

Avianca

£1,201

£826

One-way

Wed, Sep 16

⌛ Last-Minute

LHR - Buenos Aires

London (LHR) - Buenos Aires (EZE)

KLM

£1,145

£874

One-way

Thu, Sep 17

⌛ Last-Minute

LHR - Buenos Aires

London (LHR) - Buenos Aires (EZE)

Air France

£1,136

£841

One-way

Thu, Sep 17

⌛ Last-Minute

LHR - Buenos Aires

London (LHR) - Buenos Aires (EZE)

Air France

£1,201

£881

One-way

Thu, Sep 17

⌛ Last-Minute

LHR - Buenos Aires

London (LHR) - Buenos Aires (EZE)

Avianca

£1,292

£885

One-way

Thu, Sep 17

⌛ Last-Minute

LHR - Buenos Aires

London (LHR) - Buenos Aires (EZE)

Air France

£1,376

£929

One-way

Biggest price drops on these dates for flights from London to Buenos Aires

3 nights

Nov 23 - Nov 26

£1,101 → £601

45%

15 nights

Dec 6 - Dec 21

£1,288 → £795

38%

10 nights

Nov 16 - Nov 26

£1,059 → £572

46%

7 nights

Nov 17 - Nov 24

£1,082 → £597

45%

Popular Airports to fly from London to Buenos Aires

London - Buenos Aires route insights

💸 Price insights

Recent fares are above the typical level

Recent fares for London to Buenos Aires are above the typical level, with a median of $1512.

📅 Best time to fly

Fly in April for the best prices

Historically, April offers the lowest median price at $695, followed by June at $960.

⏱️ Flight duration

Connecting flights average 23h 58m

Flights from London to Buenos Aires typically involve connections, with a median duration of 23h 58m.

✈️ Airlines & availability

Connecting flights are dominant for this route

This long-haul route primarily features connecting flights, with a median of 2 stopovers.

🏆 Airline highlight

Ryanair offers deals on connecting flights

Ryanair has historically offered 45 deals on connecting flights for this route.

🎯 Booking tip

Deals are frequent for this route

Deals for flights from London to Buenos Aires are frequent, appearing within a 30-day window.

London main airports to depart from

London Stansted (STN)

Cheapest

London Stansted offers flights to Buenos Aires, with prices from 770 GBP, making it a budget-friendly option.

📍 ~49 km from city center (reachable by car or train).

💸 Flights from ~£770

Buenos Aires main airports to arrive at

Ministro Pistarini International (EZE)

Cheapest

Ministro Pistarini International Airport is a key arrival point for flights to Buenos Aires from London.

📍 ~28 km from Buenos Aires city center.

💸 Flights from ~£764

Airports nearby Buenos Aires used as alternative

Carrasco International (MVD)

Cheapest

Carrasco International is a major international hub that offers high connectivity as an alternative arrival airport.

📍 ~220 km from Buenos Aires (reachable by ferry)

💸 Flights from ~£780

Business & First Class Flight Deals to Buenos Aires

86% AI deal score

$5,851

$4,271

Save $1,580

Frequently Asked Questions About Flights to Buenos Aires

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can often reveal better deals. Setting up price alerts may also help you catch drops in fares.

Booking in advance is often recommended, especially for long-haul international routes. Prices can fluctuate, so monitoring fares over a few weeks or months may help you identify a good booking window. Weekday bookings sometimes offer slight advantages over weekends.

Comparing nearby airports at both your origin and destination can sometimes lead to more economical flight options. While it may add to travel time, the potential savings on airfare can be significant. Always factor in ground transportation costs and convenience when considering this.

Related routes

More routes from London

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Flights to Buenos Aires from other cities

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London to Buenos Aires: Overview

Insights for flights from London to Buenos Aires

How much is a round trip from London to Buenos Aires

Regular price: £922 - £1,688

Prices are currently below the regular range.

The regular price range for flights from London to Buenos Aires is 922 GBP to 1688 GBP. The current lowest deal is 572 GBP with Ryanair for travel from Nov 16-Nov 26.

now £572

Low £922

High £1,688

The cheapest time to fly from London to Buenos Aires

March

Cheapest

Flights from £940

December

Most Expensive

Flights from £1,775

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from London to Buenos Aires

Ryanair

British Airways

Air Canada

Air Europa

Last-minute flights going from London to Buenos Aires

Wed, Sep 16

⌛ Last-Minute

LHR - Buenos Aires

London (LHR) - Buenos Aires (EZE)

Avianca

£1,201

£826

One-way

Wed, Sep 16

⌛ Last-Minute

LHR - Buenos Aires

London (LHR) - Buenos Aires (EZE)

KLM

£1,145

£874

One-way

Thu, Sep 17

⌛ Last-Minute

LHR - Buenos Aires

London (LHR) - Buenos Aires (EZE)

Air France

£1,136

£841

One-way

Thu, Sep 17

⌛ Last-Minute

LHR - Buenos Aires

London (LHR) - Buenos Aires (EZE)

Air France

£1,201

£881

One-way

Thu, Sep 17

⌛ Last-Minute

LHR - Buenos Aires

London (LHR) - Buenos Aires (EZE)

Avianca

£1,292

£885

One-way

Thu, Sep 17

⌛ Last-Minute

LHR - Buenos Aires

London (LHR) - Buenos Aires (EZE)

Air France

£1,376

£929

One-way

Biggest price drops on these dates for flights from London to Buenos Aires

3 nights

Nov 23 - Nov 26

£1,101 → £601

45%

15 nights

Dec 6 - Dec 21

£1,288 → £795

38%

10 nights

Nov 16 - Nov 26

£1,059 → £572

46%

7 nights

Nov 17 - Nov 24

£1,082 → £597

45%

Popular Airports to fly from London to Buenos Aires