Mexico Airlines Carry-On Rules for U.S. Travelers

Flying from the U.S. to Mexico? Start here. Mexico routes often have stricter fare-based baggage rules than U.S. travelers expect, especially on low-cost fares. Confirm your airline, confirm the fare, then choose luggage that fits the allowance you actually bought.

Find your airline’s rules

Mexico-flight packing checklist

  1. Read the allowance on your exact fare.
  2. Measure the packed bag including wheels, handles and expansion.
  3. Keep your under-seat item separate from your cabin bag.
  4. Add baggage before the airport when your fare does not include it.

Compare our 22 × 14 × 9 carry-on luggage, personal-item bags, and international carry-on luggage picks.

Last reviewed: July 22, 2026. Confirm your reservation and the airline’s official policy before travel.