$94 Cheap Flights from St. George (SGU) to Denver (DEN)

View $94 flight on Mon, Oct 20, 2025Opens in a new window

Popular airlines from St. George Regional Airport (SGU) to Denver Intl. Airport (DEN)

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

Prices were available within the past 7 days and start at $94 for one-way flights and $188 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Sep 29 - Tue, Sep 30
SGU
St. George
DEN
Denver
$188 Roundtrip, found 6 days ago
$188
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Sep 29 from St. George to Denver, returning Tue, Sep 30, priced at $188 found 6 days ago
United
Thu, Aug 14 - Sun, Aug 17
SGU
St. George
DEN
Denver
$248 Roundtrip, just found
$248
Roundtrip
just found
Select United flight, departing Thu, Aug 14 from St. George to Denver, returning Sun, Aug 17, priced at $248 just found
Delta
Mon, Aug 25 - Wed, Sep 3
SGU
St. George
DEN
Denver
$267 Roundtrip, found 1 hour ago
$267
Roundtrip
found 1 hour ago
Select Delta flight, departing Mon, Aug 25 from St. George to Denver, returning Wed, Sep 3, priced at $267 found 1 hour ago
United
Sat, Aug 16 - Wed, Aug 20
SGU
St. George
DEN
Denver
$273 Roundtrip, found 9 hours ago
$273
Roundtrip
found 9 hours ago
Select United flight, departing Sat, Aug 16 from St. George to Denver, returning Wed, Aug 20, priced at $273 found 9 hours ago
American Airlines
Sat, Sep 6 - Mon, Sep 8
SGU
St. George
DEN
Denver
$279 Roundtrip, found 11 hours ago
$279
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Sat, Sep 6 from St. George to Denver, returning Mon, Sep 8, priced at $279 found 11 hours ago
United
Thu, Dec 11 - Sun, Dec 14
SGU
St. George
DEN
Denver
$289 Roundtrip, found 1 day ago
$289
Roundtrip
found 1 day ago
Select United flight, departing Thu, Dec 11 from St. George to Denver, returning Sun, Dec 14, priced at $289 found 1 day ago
United
Thu, Oct 23 - Sun, Oct 26
SGU
St. George
DEN
Denver
$290 Roundtrip, found 2 days ago
$290
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 23 from St. George to Denver, returning Sun, Oct 26, priced at $290 found 2 days ago
Delta
Mon, Aug 25 - Fri, Sep 5
SGU
St. George
DEN
Denver
$292 Roundtrip, found 1 hour ago
$292
Roundtrip
found 1 hour ago
Select Delta flight, departing Mon, Aug 25 from St. George to Denver, returning Fri, Sep 5, priced at $292 found 1 hour ago
United
Fri, Sep 19 - Sun, Sep 21
SGU
St. George
DEN
Denver
$298 Roundtrip, found 1 day ago
$298
Roundtrip
found 1 day ago
Select United flight, departing Fri, Sep 19 from St. George to Denver, returning Sun, Sep 21, priced at $298 found 1 day ago
Delta
Fri, Aug 22 - Fri, Sep 5
SGU
St. George
DEN
Denver
$304 Roundtrip, found 1 hour ago
$304
Roundtrip
found 1 hour ago
Select Delta flight, departing Fri, Aug 22 from St. George to Denver, returning Fri, Sep 5, priced at $304 found 1 hour ago

Find the cheapest month to fly from St. George (SGU) to Denver (DEN)

May is typically the cheapest month to fly

From $208 - $488 per traveler.

Graph displaying average flight prices per month

Alternative airports near Denver

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $248
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $248
Flights from St. George (SGU) to Denver (DEN)
Origin airport
St. George
Destination airport
Denver Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$188
Distance
515 mi
Average flight time
1 hour 53 mins

St. George to Denver Flights

The cheapest times to fly from St. George to Denver

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 St. George to Denver are during the month of September. You can find some of the cheapest flights from St. George to Denver with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. George to Denver

Sunday is one of the best days to book for cheap flights from St. George to Denver: 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 St. George to Denver

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 St. George to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $94 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 St. George to Denver 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 St. George to Denver 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.

 

Frequently asked questions

How much does a flight from St. George Airport (SGU) to Denver Intl. Airport (DEN) cost?
You can book cheap return tickets starting at $248 from St. George Airport (SGU) to Denver Intl. Airport (DEN). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving SGU on August 19 2025 and touching down at DEN. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from SGU to DEN?
The cheapest flights from SGU to DEN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from St. George Airport (SGU) to Denver Intl. Airport (DEN)?
When heading out of St. George Airport (SGU), you can board a nonstop flight to Denver Intl. Airport (DEN) with United Airlines.
What is the cheapest airline that flies from SGU to DEN?
Currently, the cheapest airline operating one-way flights from SGU to DEN is United. You can jet off on this route from $198. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SGU on August 19 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from St. George Airport (SGU) to Denver Intl. Airport (DEN)?
With an average of 2 direct flights departing from St. George Airport (SGU) to Denver Intl. Airport (DEN) each day, you'll be on your way in no time.
What are the most popular departure times for flights from St. George Airport (SGU) to Denver Intl. Airport (DEN)?
More passengers fly between SGU and DEN at 5 AM than at any other time of day. Looking for a quieter experience? Travel outside of rush hours and it's possible you'll save on your fare as well.
What day of the week has the most flights from SGU to DEN?
Depart on a Saturday if you're searching for the best choice of flights from St. George Airport (SGU) to Denver Intl. Airport (DEN).
What is the earliest flight from St. George Airport (SGU) to Denver Intl. Airport (DEN)?
St. George Airport (SGU)'s first flight to Denver Intl. Airport (DEN) departs at approximately 5:05AM UTC-7. With a total flight time of 1h 56m, you'll touch down at around 7:01AM UTC-7.
How long does it take to fly from St. George Airport (SGU) to Denver Intl. Airport (DEN)?
It takes about 1 hour and 56 minutes to fly the 520 mi from SGU to DEN.
What airline has the least delays from SGU to DEN?
Consider booking with United Airlines if you'd like to go straight from St. George Airport (SGU) to Denver Intl. Airport (DEN) without any delays. This carrier has the best track record for punctuality, with an on-time score of 83%. Want to be updated if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from St. George Airport (SGU) to Denver Intl. Airport (DEN)?
Opt for a flight from St. George Airport (SGU) to Denver Intl. Airport (DEN) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Denver from St. George Airport (SGU)?
Denver Intl. Airport (DEN) is the only airport in Denver with direct flights from St. George Airport (SGU). Consider your options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from St. George Airport (SGU) to Denver Intl. Airport (DEN) last-minute?
Booking your flight from SGU to DEN right before your journey is generally more expensive. However, if you're flexible with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book a SGU to DEN flight and hotel package?
Securing a SGU to DEN flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our wide range of stays and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from St. George Airport (SGU) to Denver Intl. Airport (DEN)?
Typically, it's possible to cancel or reschedule your SGU to DEN flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

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