Flights from London to Buenos Aires from $938

Compare All LON to BUE Flights

Prices are per person for one-way travel. Click “Book” to complete your reservation on the partner site.

1 of 1 flight

Airline	Schedule	Stops	Duration	Price
AV AV · 121	21:40 LON 13:30 BUE	0 stop(s)	39h 50m	$938 Best	Book →

Tips for London to Buenos Aires Flights

Save money and travel smarter with these route-specific tips

📅 When to Book

Book LON–BUE flights 6–8 weeks in advance for the best prices. Last-minute fares are typically 40–60% more expensive on this route.

💰 Price Trends

The average fare is $938, but prices as low as $938 are available.

✈ Direct vs Connecting

No direct flights currently listed. Consider flexible dates or nearby airports for better connections.

📍 Flexible Dates

Flying midweek (Tuesday–Thursday) on LON–BUE is typically 15–30% cheaper. Use our price comparison to spot the best day to fly.

Top Hotels in Buenos Aires

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Modern Apartments in Palermo - by BueRentals

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Hestia at Palermo New & Chic Studio 111

Buenos Aires, 4★

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Heart of Villa Crespo

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Frequently Asked Questions

Everything you need to know about flying LON to BUE

What is the cheapest flight from London to Buenos Aires?

The cheapest flight from London (LON) to Buenos Aires (BUE) currently starts at $938 with AV. Prices are updated regularly and may vary by date and availability.

How many airlines fly from LON to BUE?

We found 1 airline(s) operating on the LON–BUE route, including AV.

Are there direct flights from London to Buenos Aires?

No direct flights are currently listed on this route. All available options involve at least one stop. Consider flexible dates or nearby airports for better connection options.

What is the average flight price on this route?

The average flight price from London to Buenos Aires is approximately $938. Prices range from $938 to $938 depending on airline, time, and class.

How long is the flight from LON to BUE?

The average flight duration from London to Buenos Aires is approximately 39 hours 50 minutes. Direct flights are typically shorter than connecting options.

What is the baggage allowance on LON–BUE flights?

Baggage allowance varies by airline and fare class. Most economy fares on this route include 1 carry-on (7–8 kg) and 1 checked bag (20–23 kg). Always confirm baggage rules on the airline's site at booking — low-cost carriers may charge for checked bags.