$200 Cheap Flights from Seattle (SEA) to St. George (SGU)

View $200 flight on Wed, May 21, 2025Opens in a new window
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Cheap Flights from Seattle to St. George (SEA-SGU)

Prices were available within the past 7 days and start at $200 for one-way flights and $340 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Sep 22 - Tue, Oct 7
SEA
Seattle
SGU
St. George
$340 Roundtrip, found 1 hour ago
$340
Roundtrip
found 1 hour ago
Select Delta flight, departing Mon, Sep 22 from Seattle to St. George, returning Tue, Oct 7, priced at $340 found 1 hour ago
Delta
Mon, Jun 2 - Tue, Jun 10
SEA
Seattle
SGU
St. George
$348 Roundtrip, found 2 days ago
$348
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Jun 2 from Seattle to St. George, returning Tue, Jun 10, priced at $348 found 2 days ago
American Airlines
Wed, Sep 3 - Sun, Sep 7
SEA
Seattle
SGU
St. George
$350 Roundtrip, found 1 day ago
$350
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Sep 3 from Seattle to St. George, returning Sun, Sep 7, priced at $350 found 1 day ago
American Airlines
Sat, Sep 6 - Sun, Sep 14
SEA
Seattle
SGU
St. George
$354 Roundtrip, found 4 days ago
$354
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Sep 6 from Seattle to St. George, returning Sun, Sep 14, priced at $354 found 4 days ago
Delta
Fri, May 30 - Wed, Jun 4
SEA
Seattle
SGU
St. George
$358 Roundtrip, found 1 day ago
$358
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, May 30 from Seattle to St. George, returning Wed, Jun 4, priced at $358 found 1 day ago
Delta
Wed, May 21 - Thu, Jun 5
SEA
Seattle
SGU
St. George
$365 Roundtrip, found 2 days ago
$365
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, May 21 from Seattle to St. George, returning Thu, Jun 5, priced at $365 found 2 days ago
Delta
Tue, Jul 22 - Tue, Jul 29
SEA
Seattle
SGU
St. George
$370 Roundtrip, found 7 hours ago
$370
Roundtrip
found 7 hours ago
Select Delta flight, departing Tue, Jul 22 from Seattle to St. George, returning Tue, Jul 29, priced at $370 found 7 hours ago
American Airlines
Sat, May 3 - Sat, May 10
SEA
Seattle
SGU
St. George
$375 Roundtrip, found 5 days ago
$375
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, May 3 from Seattle to St. George, returning Sat, May 10, priced at $375 found 5 days ago
United
Sun, Jun 1 - Mon, Jun 9
SEA
Seattle
SGU
St. George
$432 Roundtrip, found 22 hours ago
$432
Roundtrip
found 22 hours ago
Select United flight, departing Sun, Jun 1 from Seattle to St. George, returning Mon, Jun 9, priced at $432 found 22 hours ago
Alaska Airlines
Sat, Oct 11 - Tue, Oct 21
SEA
Seattle
SGU
St. George
$496 Roundtrip, found 1 hour ago
$496
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Sat, Oct 11 from Seattle to St. George, returning Tue, Oct 21, priced at $496 found 1 hour 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
Roundtrip price
$340
Distance
847 mi

Seattle to St. George Flights

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

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

Sunday is one of the best days to book for cheap flights from Seattle 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 Seattle 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 Seattle to St. George in 2025. You can also book with separate airlines for your outbound and return journeys, from $200 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 Seattle 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 Seattle 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.

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to St. George Airport (SGU) cost?
Discover the latest flight deals from SEA to SGU by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SEA to SGU?
The cheapest flights from SEA to SGU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SEA to SGU?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SEA to SGU. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to St. George Airport (SGU)?
There are no daily direct flights available from Seattle - Tacoma Intl. Airport (SEA) to St. George Airport (SGU). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you’ll be soaring above the clouds in no time.
What day of the week has the most flights from SEA to SGU?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on various 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 Seattle - Tacoma Intl. Airport (SEA) to St. George Airport (SGU)?
To land at St. George Airport (SGU) without delays, select a flight that takes off from Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Seattle - Tacoma Intl. Airport (SEA) to St. George Airport (SGU) last-minute?
Booking your flight from SEA to SGU just before your trip is typically more expensive. However, if you’re flexible with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a SEA to SGU flight and hotel package?
You’ll generally save money by securing a SEA to SGU flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage everything in one place. After selecting your preferred accommodations and flights, consider adding extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to St. George Airport (SGU)?
Usually, it’s possible to reschedule or cancel your SEA to SGU flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find more details on our Customer Service portal.

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*Available to One Key members.