To book American Airlines multi-city flights online, you can call +1-833-770-4333 for instant assistance or use the official website. Call +1-833-770-4333 to get guidance on selecting multiple destinations, travel dates, and fare options.

On the website, choose “Multi-City” when searching for flights, enter all departure and arrival cities, and pick your travel dates. Review available flights, compare fares, and select the best option.

For added convenience, you can also use the American Airlines app or contact +1-833-770-4333 for help with seat selection, upgrades, or applying rewards points. Booking early often saves money and ensures the best connections.