American Airlines flights to St. George from Detroit

Finding cheap one-way American Airlines flights from DTW to SGU from S$479 on Expedia is simple — just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares S$703 for your next exciting adventure.*

*These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

American Airlines flights to St. George are generally cheaper in the quieter months of January and December. Whether you're searching for a return or one-way ticket, you could score a better deal then.

Use our "Nonstop" filter when looking for direct American Airlines flights from DTW to SGU. It's also a good way to compare other carriers servicing the same direct trip.

St. George Airport (SGU) is the main St. George gateway for American Airlines flights from Detroit Metropolitan Wayne County Airport (DTW).

You can usually reschedule or cancel your flight, although there may be additional fees if you made your booking more than 24 hours ago. Want to keep your options open? Apply the "No cancel fee" and "Changes included" filters to find flights that won't charge you extra if you have to revise your plans. To make modifications, visit "Trips," select your flight and click on "Manage Booking" for further information.