$235 Cheap Flights from Washington (IAD) to St. George (SGU)

View $235 flight on Tue, Feb 17, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to St. George Regional Airport (SGU)

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Cheap Flights from Washington to St. George (IAD-SGU)

Prices were available within the past 7 days and start at $235 for one-way flights and $284 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Jan 6 - Sat, Jan 10
IAD
Washington
SGU
St. George
$284 Roundtrip, found 3 days ago
$284
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Jan 6 from Washington to St. George, returning Sat, Jan 10, priced at $284 found 3 days ago
American Airlines
Tue, Jan 6 - Sat, Jan 10
IAD
Washington
SGU
St. George
$289 Roundtrip, found 3 days ago
$289
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Jan 6 from Washington to St. George, returning Sat, Jan 10, priced at $289 found 3 days ago
United
Fri, Dec 12 - Sat, Dec 13
IAD
Washington
SGU
St. George
$310 Roundtrip, found 4 days ago
$310
Roundtrip
found 4 days ago
Select United flight, departing Fri, Dec 12 from Washington to St. George, returning Sat, Dec 13, priced at $310 found 4 days ago
United
Fri, Dec 12 - Sat, Dec 13
IAD
Washington
SGU
St. George
$321 Roundtrip, found 4 days ago
$321
Roundtrip
found 4 days ago
Select United flight, departing Fri, Dec 12 from Washington to St. George, returning Sat, Dec 13, priced at $321 found 4 days ago
United
Fri, Nov 14 - Tue, Nov 18
IAD
Washington
SGU
St. George
$335 Roundtrip, found 6 days ago
$335
Roundtrip
found 6 days ago
Select United flight, departing Fri, Nov 14 from Washington to St. George, returning Tue, Nov 18, priced at $335 found 6 days ago
United
Fri, Dec 12 - Mon, Dec 15
IAD
Washington
SGU
St. George
$338 Roundtrip, found 5 days ago
$338
Roundtrip
found 5 days ago
Select United flight, departing Fri, Dec 12 from Washington to St. George, returning Mon, Dec 15, priced at $338 found 5 days ago
United
Fri, Dec 12 - Mon, Dec 15
IAD
Washington
SGU
St. George
$342 Roundtrip, found 5 days ago
$342
Roundtrip
found 5 days ago
Select United flight, departing Fri, Dec 12 from Washington to St. George, returning Mon, Dec 15, priced at $342 found 5 days ago
American Airlines
Wed, Mar 18 - Wed, Mar 25
IAD
Washington
SGU
St. George
$343 Roundtrip, found 4 days ago
$343
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Mar 18 from Washington to St. George, returning Wed, Mar 25, priced at $343 found 4 days ago
American Airlines
Fri, Dec 5 - Sun, Dec 7
IAD
Washington
SGU
St. George
$349 Roundtrip, found 1 day ago
$349
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Dec 5 from Washington to St. George, returning Sun, Dec 7, priced at $349 found 1 day ago
Delta
Tue, Mar 17 - Mon, Mar 23
IAD
Washington
SGU
St. George
$363 Roundtrip, found 4 days ago
$363
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Mar 17 from Washington to St. George, returning Mon, Mar 23, priced at $363 found 4 days ago

Alternative airports near St. George

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

Select flight to St. George Regional Airport SGU. Cheapest and Closest option available. Average driving time to city center is 20 minutes. Flights from $383
SGU
St. George Regional Airport
CheapestClosest
Average driving time to city center20 min
Flights from $383

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to St. George Airport (SGU) cost?
Snag a cheap one-way flight from $235 or cheap return flight from $284 from Washington Dulles Intl. Airport (IAD) to St. George Airport (SGU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to St. George Airport (SGU)?
Traveling in January can help you save, as it's the cheapest month for flights between IAD and SGU. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to St. George Airport (SGU)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest IAD to SGU flight.
How many flights per day from Washington Dulles Intl. Airport (IAD) to St. George Airport (SGU)?
You'll have to book a flight with a layover if you're traveling from Washington Dulles Intl. Airport (IAD) to St. George Airport (SGU). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from IAD to SGU?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a range of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to St. George Airport (SGU)?
To land at St. George Airport (SGU) on schedule, choose a flight that leaves Washington Dulles Intl. Airport (IAD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to St. George Airport (SGU) last-minute?
Booking your ticket from IAD to SGU shortly before your getaway is generally more expensive. But if there's some wiggle room with your departure times and dates, you could score a cheap last-minute fare.
Is it cheaper to book an IAD to SGU flight and hotel package?
Securing an IAD to SGU flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our wide range of stays and then add activities, flights and car rentals 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 Washington Dulles Intl. Airport (IAD) to St. George Airport (SGU)?
It's usually possible to cancel or reschedule your IAD to SGU flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to 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.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
St. George
Airlines serving
Delta, United
Roundtrip price
$283
Distance
1955 mi

Book with confidence

Washington to St. George Flights

The cheapest times to fly from Washington 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 Washington to St. George are during the month of January. You can find some of the cheapest flights from Washington to St. George with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Washington 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 Washington 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 Washington to St. George in 2025. You can also book with separate airlines for your outbound and return journeys, from $235 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 Washington 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 Washington 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.

 

Washington to St. George Flights

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*Available to One Key members.