$201 Cheap United flights Seattle (SEA) to St. George (SGU)

View $201 flight on Sun, Aug 3, 2025Opens in a new window

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$201 Cheap United flights Seattle (SEA) to St. George (SGU)

Prices were available within the past 7 days and start at $201 for one-way flights and $244 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Nov 19 - Sat, Dec 6
SEA
Seattle
SGU
St. George
$244 Roundtrip, found 5 days ago
$244
Roundtrip
found 5 days ago
Select United flight, departing Wed, Nov 19 from Seattle to St. George, returning Sat, Dec 6, priced at $244 found 5 days ago
United
Sat, Nov 15 - Fri, Nov 21
SEA
Seattle
SGU
St. George
$314 Roundtrip, found 1 day ago
$314
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 15 from Seattle to St. George, returning Fri, Nov 21, priced at $314 found 1 day ago
United
Thu, Dec 11 - Sun, Dec 14
SEA
Seattle
SGU
St. George
$359 Roundtrip, found 23 hours ago
$359
Roundtrip
found 23 hours ago
Select United flight, departing Thu, Dec 11 from Seattle to St. George, returning Sun, Dec 14, priced at $359 found 23 hours ago
Flights from Seattle (SEA) to St. George (SGU)
Origin airport
Seattle - Tacoma Intl.
Destination airport
St. George
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Popular airline
Delta
Distance
847 mi

Frequently asked questions

How much is a United Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to St. George Airport (SGU)?
Landing cheap one-way United Airlines flights from SEA to SGU from $201 on Expedia couldn't be simpler --- just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from $244 for your next 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.
What is the cheapest month to fly from SEA to SGU with United Airlines?
United Airlines flights to St. George are generally more affordable in the quieter months of January and December. Whether you need a one-way or a return ticket, you could score a better deal then.
What is the cheapest time to book flights from Seattle - Tacoma Intl. Airport (SEA) to St. George Airport (SGU) with United Airlines?
Begin your search one to three months ahead of your departure date to score cheaper fares on United Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to St. George Airport (SGU). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to St. George Airport (SGU)?
Click on the "Nonstop" filter when searching for direct United Airlines flights from SEA to SGU. It's also an easy way to compare other airlines servicing the same direct route.
What is the earliest United Airlines flight from SEA to SGU?
Browse United Airlines's earliest flights from SEA to SGU by checking the "Morning" and "Early Morning" filters. Not only will you get to your destination sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in St. George?
United Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to St. George touch down at St. George Airport (SGU). This is the main entry point to this city.
Why fly with United Airlines from SEA to SGU?
A rewarding loyalty program and the chance to rack up points through United Mileage Plus are the start of the reasons to travel from SEA to SGU with United Airlines. Plus, when you join Expedia's free One Key™ program, you can earn OneKeyCash™* in addition to United Airlines's loyalty program earnings. It's yours to use wherever your next trip takes you.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to St. George Airport (SGU)?
Depending on the type of fare you purchased, a fee is typically charged if you change or cancel your flight more than 24 hours after confirmation. To secure plane tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes when looking for flights. For more information on canceling or changing your reservation, go to "Trips," select your flight and click on "Manage Booking."

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