$778 Cheap Flights from Seoul (ICN) to St. George (SGU)

View $778 flight on Thu, Dec 18, 2025Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to St. George Regional Airport (SGU)

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Cheap Flights from Seoul to St. George (ICN-SGU)

Prices were available within the past 7 days and start at $778 for one-way flights and $777 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Dec 15 - Wed, Dec 31
ICN
Seoul
SGU
St. George
$777 Roundtrip, found 5 days ago
$777
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Dec 15 from Seoul to St. George, returning Wed, Dec 31, priced at $777 found 5 days ago
American Airlines
Mon, Dec 15 - Tue, Dec 30
ICN
Seoul
SGU
St. George
$781 Roundtrip, found 5 days ago
$781
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Dec 15 from Seoul to St. George, returning Tue, Dec 30, priced at $781 found 5 days ago
United
Thu, Dec 18 - Tue, Dec 30
ICN
Seoul
SGU
St. George
$817 Roundtrip, found 5 days ago
$817
Roundtrip
found 5 days ago
Select United flight, departing Thu, Dec 18 from Seoul to St. George, returning Tue, Dec 30, priced at $817 found 5 days ago
United
Thu, Dec 18 - Tue, Dec 30
ICN
Seoul
SGU
St. George
$828 Roundtrip, found 5 days ago
$828
Roundtrip
found 5 days ago
Select United flight, departing Thu, Dec 18 from Seoul to St. George, returning Tue, Dec 30, priced at $828 found 5 days ago
United
Thu, Dec 18 - Tue, Dec 30
ICN
Seoul
SGU
St. George
$870 Roundtrip, found 5 days ago
$870
Roundtrip
found 5 days ago
Select United flight, departing Thu, Dec 18 from Seoul to St. George, returning Tue, Dec 30, priced at $870 found 5 days ago
United
Thu, Dec 18 - Tue, Dec 30
ICN
Seoul
SGU
St. George
$871 Roundtrip, found 5 days ago
$871
Roundtrip
found 5 days ago
Select United flight, departing Thu, Dec 18 from Seoul to St. George, returning Tue, Dec 30, priced at $871 found 5 days ago
United
Mon, Dec 15 - Thu, Jan 1
ICN
Seoul
SGU
St. George
$881 Roundtrip, found 5 days ago
$881
Roundtrip
found 5 days ago
Select United flight, departing Mon, Dec 15 from Seoul to St. George, returning Thu, Jan 1, priced at $881 found 5 days ago
American Airlines
Mon, Dec 15 - Sat, Dec 27
ICN
Seoul
SGU
St. George
$923 Roundtrip, found 5 days ago
$923
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Dec 15 from Seoul to St. George, returning Sat, Dec 27, priced at $923 found 5 days ago
Jeju Air
Thu, Dec 18 - Tue, Dec 30
ICN
Seoul
SGU
St. George
$974 Roundtrip, found 5 days ago
$974
Roundtrip
found 5 days ago
Select Jeju Air flight, departing Thu, Dec 18 from Seoul to St. George, returning Tue, Dec 30, priced at $974 found 5 days ago
Delta
Thu, Dec 18 - Tue, Dec 30
ICN
Seoul
SGU
St. George
$1,537 Roundtrip, found 5 days ago
$1,537
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Dec 18 from Seoul to St. George, returning Tue, Dec 30, priced at $1,537 found 5 days ago

Frequently asked questions

How much does a flight from Incheon Intl. Airport (ICN) to St. George Airport (SGU) cost?
Get a cheap one-way flight from $778 or cheap return flight from $777 from Incheon Intl. Airport (ICN) to St. George Airport (SGU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Incheon Intl. Airport (ICN) to St. George Airport (SGU)?
December is the least expensive month to fly from ICN to SGU. Avoiding peak travel times is often the key to scoring lower fares.
What is the cheapest airline that flies from Incheon Intl. Airport (ICN) to St. George Airport (SGU)?
To find the cheapest airline that'll fly you from ICN to SGU, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Incheon Intl. Airport (ICN) to St. George Airport (SGU)?
There aren't any daily nonstop flights available from Incheon Intl. Airport (ICN) to St. George Airport (SGU). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from ICN to SGU?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can change depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Incheon Intl. Airport (ICN) to St. George Airport (SGU)?
Opt for a flight from Incheon Intl. Airport (ICN) to St. George Airport (SGU) that leaves before 3 PM to reduce the risk of cancellations. Departures later than this 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 Incheon Intl. Airport (ICN) to St. George Airport (SGU) last-minute?
Holding off until right before your break to book a flight from ICN to SGU generally means paying more. While you might find some last-minute discounts, they're not always guaranteed. Keep your travel schedule open to boost your chances of getting a bargain.
Is it cheaper to book an ICN to SGU flight and hotel package?
Opting for an ICN to SGU flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our wide range of stays and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to St. George Airport (SGU)?
In most instances, you can cancel or modify your ICN to SGU flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you'd like more information, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Incheon Intl.
Destination airport
St. George
Roundtrip price
$776
Distance
6024 mi

Book with confidence

Book with confidence

Seoul to St. George Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Seoul 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 Seoul 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 Seoul to St. George in 2025. You can also book with separate airlines for your outbound and return journeys, from $778 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 Seoul 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 Seoul 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.

 

Seoul to St. George Flights

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*Available to One Key members.