
Aeromexico may not be the world’s swankiest airline, but its new partnership with Delta, its solid new Boeing 787 hard product with lie-flat seats, and its reasonable fares make it an airline worth looking at.
From now through the (North American) winter high season, business class fares to Buenos Aires on Aeromexico from many U.S. cities are very reasonably priced, between about $1,350 and $1,600 roundtrip via Mexico City.

Considering that economy class roundtrips from North America to Buenos Aires almost always price out above $1,000, this is an excellent deal.
This is an even better deal if you’re a Delta SkyMiles member and you’re looking for a mileage run. Aeromexico business class seats still earn at least 150% base miles and 150% Medallion qualifying miles.
However, per this FlyerTalk thread, it appears that fully-refundable business class fares are available for as low as a $50-$100 premium. These “J”-class fares earn 200% base miles and 200% MQMs.
So, for instance, from San Francisco you’d earn at least 19,397 base miles and 19,397 Medallion qualifying miles on fares that can be had for as low as $1,385. I’m pulling up fully-refundable fares on SFO-EZE for $1,524 which would earn 25,862 base miles and Medallion qualifying miles.
If you’d prefer to credit to Alaska Mileage Plan, you earn 125% of the actual flight miles on both D and J fares.

These fares appear to be good from Los Angeles, San Francisco, Las Vegas, Dallas, Chicago and Seattle, among other cities. These deals don’t seem to have hit most East Coast gateways yet, although I’ve seen fares from Boston start from as low as $1,590. Miami, New York, Philadelphia, D.C., Charlotte, and Atlanta are all out of luck.
This is an especially terrific opportunity to get yourself down to South America for the winter holidays. Aeromexico does run its new 787 product on certain Mexico City-Buenos Aires flights, so it’s worth seeking out the 787 specifically.
Good luck, and act fast!
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