How many round trips would you like to offset? Were these flights short, medium, or long-haul? How many passengers travelled?
Short-haul, round trip (maximum 3 hours one-way, i.e. Mexico City to Oaxaca).
Medium-haul, round trip (maximum 6 hours one-way, i.e. Mexico City to Toronto, Canada).
Long-haul, round trip (over 6 hours one-way, i.e. Mexico City to Madrid, Spain).
