
Popular airlines from Detroit Metropolitan Wayne County Airport (DTW) to St. George Regional Airport (SGU)
- American Airlines
American Airlines
- United
United
- Delta
Delta
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Cheap Flights from Detroit to St. George (DTW-SGU)
Prices were available within the past 7 days and start at $250 for one-way flights and $385 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Frequently asked questions
Travel information
Travel information
Origin airport | Detroit Metropolitan Wayne County |
Destination airport | St. George |
Airlines serving | American Airlines, Delta, United |
Roundtrip price | $384 |
Distance | 1635 mi |
Book with confidence
Book with confidence
The cheapest times to fly from Detroit to St. George
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Detroit to St. George are during the month of August. You can find some of the cheapest flights from Detroit to St. George with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Detroit to St. George
Sunday is one of the best days to book for cheap flights from Detroit to St. George: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Detroit to St. George
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Detroit to St. George in 2025. You can also book with separate airlines for your outbound and return journeys, from $250 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Detroit to St. George flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Detroit to St. George airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
Be inspired and discover more with Expedia
Be inspired and discover more with Expedia
Lodging
- St. George Hotels
- Hotels near Bloomington Hills
- Hotels near St. George Golf Club
- Hotels near Staheli Family Farm
- Hotels near Washington Fields
- Hotels near Boulder Springs
- Hotels near Bloomington Ranches
- Hotels near St. George Dinosaur Discovery Site at Johnson Farm
- Hotels near Dixie Convention Center
- Hotels near Rosenbruch Wildlife Museum
- Hotels near Southgate Golf Club
- Hotels near Fiesta Family Fun Center
- Hotels near Bloomington
- Hotels near Greater Zion Stadium
- Hotels near St. George Musical Theater
- Hotels near Utah Tech University
- Hotels near Thunder Junction All Abilities Park
- Hotels near SunRiver
- Hotels near St. George Utah Temple
- Cheap Hotels in St. George
- Hotels near Outlets at Zion
- Hotels near Red Cliffs Mall
- Hotels near Vernon Worthen Park
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- Washington Hotels
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- Hotels near St. George Historic District
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- Hotels near St. George Tabernacle
- 5 Star Hotels in St. George
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- Hotels near Laser Mania Family Fun Center
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Flights
Packages
- Turtleback Mountain
- Staheli Family Farm
- St. George Golf Club
- St. George Dinosaur Discovery Site at Johnson Farm
- Dixie Convention Center
- Rosenbruch Wildlife Museum
- Southgate Golf Club
- Fiesta Family Fun Center
- Greater Zion Stadium
- St. George Musical Theater
- Utah Tech University
- Thunder Junction All Abilities Park
- Visit St. George
- St. George Utah Temple
- Outlets at Zion
- Red Cliffs Mall
- Vernon Worthen Park
- St. George Tabernacle
- St. George Vacations
- Visit St. George Historic District
- Laser Mania Family Fun Center
- Pioneer Courthouse Museum
- McQuarrie Memorial Pioneer Museum