Cheap Flights from Denver (DEN) to St. George (SGU)

To find a cheap flight from Denver, CO (DEN-Denver Intl.) to St. George, UT (SGU), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best airline to fly with from Denver, CO (DEN-Denver Intl.) (DEN) to St. George, UT (SGU) (SGU) will differ from traveler to traveler. If you like to fly early, United Airlines offers early morning flights. If price is the most important factor, United Airlines typically offers the lowest fares. Delta Air Lines offers the most daily flights from Denver, CO (DEN-Denver Intl.) (DEN) to St. George, UT (SGU) (SGU), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

You'll typically find the most flights from Denver Intl. (DEN) to St. George (SGU) on a Friday, with around 15 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, Delta Air Lines, and United Airlines. Flight schedules are consistent throughout the week, with only a slight variation in the number of flights.

The most popular departure times for flights from Denver Intl. (DEN) to St. George, UT (SGU) are in the early morning, from 6am to 9am. About 32% of passengers prefer this time. Many major carriers, including United Airlines, Delta Air Lines and American Airlines, offer flights during this window. This timing works well because it allows you to get an early start on your travel day and arrive at your destination with plenty of time.

It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to St. George, UT (SGU) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you booked your Denver, CO (DEN-Denver Intl.) to St. George, UT (SGU) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.