Which has the bigger carry-on allowance, Aeroméxico or LATAM?

Aeroméxico: 55 × 40 × 25 cm (21.7 × 15.7 × 9.8 in), up to 10 kg (22 lb). LATAM: 55 × 35 × 25 cm (21.7 × 13.8 × 9.8 in), up to 12 kg (26.5 lb). Aeroméxico allows the larger bag.

Where do Aeroméxico and LATAM fly from?

Aeroméxico's main hubs are Mexico City (MEX). LATAM's are Santiago (SCL), São Paulo (GRU), Lima (LIM), Bogotá (BOG). The better pick is often whichever flies nonstop from your airport.

Are Aeroméxico and LATAM partners?

They aren't in the same alliance (Aeroméxico: SkyTeam; LATAM: none), so miles and status generally don't transfer between them.

AM vs LA · 2026 comparison

Aeroméxico vs LATAM

Q: Do Aeroméxico and LATAM include a carry-on on basic economy?

Aeroméxico: Basic fares include a carry-on and a personal item (10 kg combined), but no checked bag. LATAM: Basic fares include only a personal item.

Aeroméxico wins on a bigger carry-on and a carry-on on its cheapest fare; LATAM wins on a more generous carry-on weight limit and cheaper checked bags. Here's how they compare on bags, fees, comfort, reliability and loyalty.

Verified Oct 17, 2026By Steven MoHow we check Report a correction

Aeroméxico

Wins 2 categories

A bigger carry-on
A carry-on on its cheapest fare

LATAM

Wins 2 categories

A more generous carry-on weight limit
Cheaper checked bags

Quick verdict

Aeroméxico wins on a bigger carry-on and a carry-on on its cheapest fare; LATAM wins on a more generous carry-on weight limit and cheaper checked bags. Check the cheapest fare's bag rules before you compare prices.

Carry-on size: Aeroméxico: 55 × 40 × 25 cm · LATAM: 55 × 35 × 25 cm
Carry-on on the cheapest fare: Aeroméxico: Included on every fare · LATAM: Costs extra on basic fares
First checked bag (regular economy): Aeroméxico: $30 · LATAM: 1 free bag

Side by side

	Aeroméxico	LATAM
Bags
Carry-on size	55 × 40 × 25 cm	55 × 35 × 25 cm
Carry-on on the cheapest fare	Included on every fare	Costs extra on basic fares
Carry-on weight limit	10 kg (22 lb)	12 kg (26.5 lb)
Personal item	45 × 35 × 20 cm	45 × 35 × 20 cm
First checked bag (regular economy)	$30	1 free bag
Network
Alliance	SkyTeam	None
Loyalty program	Aeroméxico Rewards	LATAM Pass
Main hubs	MEX	SCL, GRU, LIM, BOG

Highlighted values are better for travelers. Fees are for U.S. domestic economy flights; on-time data is 2025 U.S. DOT figures for each airline's own flights.

Bags and fees

Aeroméxico allows a carry-on up to 55 × 40 × 25 cm (21.7 × 15.7 × 9.8 in), and LATAM up to 55 × 35 × 25 cm (21.7 × 13.8 × 9.8 in), so Aeroméxico's is roomier.

Aeroméxico includes it on every fare, while LATAM charges for it on its cheapest fare.

Carry-on weight limits: 10 kg (22 lb) on Aeroméxico, 12 kg (26.5 lb) on LATAM.

Personal items: 45 × 35 × 20 cm (17.7 × 13.8 × 7.9 in) on Aeroméxico, and 45 × 35 × 20 cm (17.7 × 13.8 × 7.9 in) on LATAM.

A first checked bag on Aeroméxico costs $30 on flights between the U.S. and Mexico, and LATAM includes one bag with Standard on flights between the U.S. and South America.

Basic economy

Aeroméxico (Basic): Basic fares include a carry-on and a personal item (10 kg combined), but no checked bag.

LATAM (Basic): Basic fares include only a personal item.

Loyalty and where they fly

Aeroméxico is in SkyTeam and LATAM is not in an alliance.

Loyalty programs: Aeroméxico Rewards (Aeroméxico) and LATAM Pass (LATAM).

Aeroméxico's main hubs are Mexico City (MEX). LATAM's are Santiago (SCL), São Paulo (GRU), Lima (LIM), Bogotá (BOG). The best choice often comes down to which airline flies nonstop from your airport.

Which should you book?

Choose Aeroméxico if you want…

a bigger carry-on
a carry-on on its cheapest fare
to earn and use SkyTeam miles and status
nonstops from MEX

Choose LATAM if you want…

a more generous carry-on weight limit
cheaper checked bags
nonstops from SCL, GRU, LIM

On a route both fly, the cheaper ticket isn't always the cheaper trip: add the bags you'll actually bring, and check the fare rules before you book.