$185 Cheap Flights from St. George (SGU) to Seattle (SEA)

View $185 flight on Tue, Feb 10, 2026Opens in a new window

Popular airlines from St. George Regional Airport (SGU) to Seattle-Tacoma International Airport (SEA)

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

Prices were available within the past 7 days and start at $185 for one-way flights and $238 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, Nov 23 - Mon, Jan 5
SGU
St. George
SEA
Seattle
$238 Roundtrip, found 1 hour ago
$238
Roundtrip
found 1 hour ago
Select Delta flight, departing Sun, Nov 23 from St. George to Seattle, returning Mon, Jan 5, priced at $238 found 1 hour ago
United
Fri, Dec 5 - Sun, Dec 7
SGU
St. George
SEA
Seattle
$238 Roundtrip, found 20 hours ago
$238
Roundtrip
found 20 hours ago
Select United flight, departing Fri, Dec 5 from St. George to Seattle, returning Sun, Dec 7, priced at $238 found 20 hours ago
United
Fri, Dec 5 - Sun, Dec 7
SGU
St. George
SEA
Seattle
$244 Roundtrip, found 20 hours ago
$244
Roundtrip
found 20 hours ago
Select United flight, departing Fri, Dec 5 from St. George to Seattle, returning Sun, Dec 7, priced at $244 found 20 hours ago
American Airlines
Thu, Nov 20 - Mon, Jan 5
SGU
St. George
SEA
Seattle
$253 Roundtrip, found 1 hour ago
$253
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Nov 20 from St. George to Seattle, returning Mon, Jan 5, priced at $253 found 1 hour ago
United
Thu, Nov 20 - Mon, Jan 5
SGU
St. George
SEA
Seattle
$259 Roundtrip, found 1 hour ago
$259
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Nov 20 from St. George to Seattle, returning Mon, Jan 5, priced at $259 found 1 hour ago
Delta
Sat, Nov 22 - Tue, Dec 2
SGU
St. George
SEA
Seattle
$268 Roundtrip, found 2 days ago
$268
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Nov 22 from St. George to Seattle, returning Tue, Dec 2, priced at $268 found 2 days ago
United
Fri, Nov 14 - Tue, Nov 18
SGU
St. George
SEA
Seattle
$268 Roundtrip, found 11 hours ago
$268
Roundtrip
found 11 hours ago
Select United flight, departing Fri, Nov 14 from St. George to Seattle, returning Tue, Nov 18, priced at $268 found 11 hours ago
United
Fri, Nov 21 - Tue, Nov 25
SGU
St. George
SEA
Seattle
$271 Roundtrip, found 2 days ago
$271
Roundtrip
found 2 days ago
Select United flight, departing Fri, Nov 21 from St. George to Seattle, returning Tue, Nov 25, priced at $271 found 2 days ago
United
Mon, Nov 24 - Tue, Dec 2
SGU
St. George
SEA
Seattle
$272 Roundtrip, found 2 days ago
$272
Roundtrip
found 2 days ago
Select United flight, departing Mon, Nov 24 from St. George to Seattle, returning Tue, Dec 2, priced at $272 found 2 days ago
Alaska Airlines
Sat, Dec 6 - Sat, Dec 13
SGU
St. George
SEA
Seattle
$308 Roundtrip, found 18 hours ago
$308
Roundtrip
found 18 hours ago
Select Alaska Airlines flight, departing Sat, Dec 6 from St. George to Seattle, returning Sat, Dec 13, priced at $308 found 18 hours ago

Find the cheapest month to fly from St. George (SGU) to Seattle (SEA)

August is typically the cheapest month to fly

From $238 - $560 per traveler.

Alternative airports near Seattle

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

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $323
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $323

Frequently asked questions

How much does a flight from St. George Airport (SGU) to Seattle - Tacoma Intl. Airport (SEA) cost?
Secure a cheap one-way flight from $185 or cheap return flight from $238 from St. George Airport (SGU) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from St. George Airport (SGU) to Seattle - Tacoma Intl. Airport (SEA)?
The cheapest month to fly from SGU to SEA is November, when demand is low. Off-peak months are usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from St. George Airport (SGU) to Seattle - Tacoma Intl. Airport (SEA)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SGU to SEA. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from St. George Airport (SGU) to Seattle - Tacoma Intl. Airport (SEA)?
There aren't any daily nonstop flights departing from St. George Airport (SGU) to Seattle - Tacoma Intl. Airport (SEA). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from SGU to SEA?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on various factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from St. George Airport (SGU) to Seattle - Tacoma Intl. Airport (SEA)?
Choose a flight from St. George Airport (SGU) to Seattle - Tacoma Intl. Airport (SEA) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this time have a 22% higher chance of being canceled, on average.**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 St. George Airport (SGU) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Booking your ticket from SGU to SEA shortly before your trip is typically more expensive. However, if there's some wiggle room with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a SGU to SEA flight and hotel package?
You'll typically save money by securing a SGU to SEA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've selected your preferred flights and accommodations, you can add extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from St. George Airport (SGU) to Seattle - Tacoma Intl. Airport (SEA)?
If you booked your SGU to SEA 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 purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

Origin airport
St. George
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$238
Distance
847 mi

Book with confidence

St. George to Seattle Flights

The cheapest times to fly from St. George to Seattle

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

 

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

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

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 Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $185 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 Seattle 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 Seattle 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.

 

St. George to Seattle Flights

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*Available to One Key members.