Buenos Aires skyline

London (LHR) to Buenos Aires (EZE) business class reward flights

Dates
Travellers and cabin

Who’s flying?

Adults12 and over
1
Cabin
Programmes
Stops
Departure time

00:0024:00

Arrival time

00:0024:00

Flight duration
Any length

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Departure time

00:0024:00

Arrival time

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Flight duration
Any length
Lowest seen in the last 10 days93,000 milesPlus fees$747.20ProgramAir France-KLM Flying BlueAir France-KLM Flying BlueLight fareAirlineAir FranceAir FranceDepartingWed, Nov 25
Last checked 9d agoChecked

Which program and airline costs you least

London to Buenos Aires in business class starts at 93K miles plus $747.20 — Air France through Air France-KLM Flying Blue. Aeromexico through Air France-KLM Flying Blue charges the least cash — $473.63 — but wants 126.5K miles.

Every way to book LHR to EZE with miles or points
Airline
Air FranceAir Francevia CDGlast seen 12 Oct, not re-checked sinceAir France-KLM Flying Blue93Kplus $747.20
AeromexicoAeromexicovia MEXlast seen 13 Oct, not re-checked sinceAir France-KLM Flying Blue126.5Kplus $473.63
KLMKLMvia AMSlast seen 12 Oct, not re-checked sinceAir France-KLM Flying Blue162.5Kplus $747.10

LHR to EZE in business class: the facts

Over the next 60 days we hold business class seats from London to Buenos Aires on 45 of the 45 departure days we have checked so far (15 days are not checked yet), through 1 program. These figures are counted from the seats stored for those dates, not from a price history; the typical day is the median of each day's cheapest seat. Data updated .

Nonstop or with a connection

No nonstop seats in the window. With a connection on Aeromexico, Air France and KLM.

How to book it

  1. Air France-KLM Flying Blue books on airfrance.fr: sign in there, search LHR to EZE in business class on a date with space, and pay in miles with the cash on top (from $747).

MilesZone finds the seat; it does not book it or take payment.

Get told the moment a LHR → EZE seat opens.

We re-check that exact seat seconds before the email leaves, so what you open is still there.

Email only. Searching this route stays free for departures in the next 60 days.