Yes, water is generally free on flights.
While you can almost always get a free cup of water, some airlines also offer bottled water, either whole or half-sized, if you request it. According to the provided reference:
- Airlines typically provide cups of water upon request.
- Some airlines may offer free bottled water, depending on availability.
- It's always recommended to ask about bottled water options.
Therefore, while a cup of water is almost always complimentary, don't hesitate to inquire about the possibility of receiving a complimentary bottle of water as well.