Flights London to Buenos Aires
The best month to fly from London to Buenos Aires is September: as low as €1,017, compared with €1,030 in October.
Leaving on a Friday is cheapest on average (€1,017).
This page is based on 2 prices seen over the last 60 days.
Updated September 23, 2026
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€1,017Lowest price seen (60 d)
€1,024Median price
—Direct flight
2Prices recorded
Prices by departure month
Airlines seen
avianca airlines
Door-to-door cost
The real cost includes getting to the airport (fuel, tolls, parking or train), luggage and the transfer on arrival. Add your address in the form to calculate it.
Frequently asked questions
What is the cheapest month to fly London – Buenos Aires?
Based on prices seen, September (from €1,017).
Which airport is closest to Buenos Aires city centre?
Buenos Aires Aeroparque Jorge Newbery (AEP), 7 km from Buenos Aires centre.
Nearby destinations, same departure
See also
Prices are indicative and dated. The final price is confirmed on the partner’s site.