Cheap Flights from Seoul (ICN) to St. Augustine (UST)

Popular airlines from Incheon Intl. Airport (ICN) to St. Augustine, FL (UST-Northeast Florida Regional)

Flights from Seoul (ICN) to St. Augustine (UST)
Origin airport
Incheon Intl.
Destination airport
Northeast Florida Regional
Distance
7443 mi

Seoul to St. Augustine Flights

The cheapest times to fly from Seoul to St. Augustine

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

 

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

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

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. Augustine in 2025. You can also book with separate airlines for your outbound and return journeys, from 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. Augustine 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. Augustine 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 Incheon Intl. Airport (ICN) to Northeast Florida Regional Airport (UST) cost?
Get a cheap one-way flight or cheap return flight from Incheon Intl. Airport (ICN) to Northeast Florida Regional Airport (UST) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Incheon Intl. Airport (ICN) to Northeast Florida Regional Airport (UST)?
The cheapest month to fly from ICN to UST is , when there's less demand. Off-peak months are usually when better flight deals are available between these airports.
What is the cheapest airline that flies from Incheon Intl. Airport (ICN) to Northeast Florida Regional Airport (UST)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest ICN to UST flight.
How many flights per day from Incheon Intl. Airport (ICN) to Northeast Florida Regional Airport (UST)?
There aren't any daily direct flights from Incheon Intl. Airport (ICN) to Northeast Florida Regional Airport (UST). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from ICN to UST?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can vary based on the time of year, carrier 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 Northeast Florida Regional Airport (UST)?
To touch down at Northeast Florida Regional Airport (UST) on time, book a flight that takes off from Incheon Intl. Airport (ICN) before 3 PM. The chance 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 Incheon Intl. Airport (ICN) to Northeast Florida Regional Airport (UST) last-minute?
Last-minute bookings from ICN to UST are typically more expensive. For the best prices, start looking for flights ahead of time. That said, if you're flexible with your travel plans, it's possible to land a cheap fare just before your departure.
Is it cheaper to book an ICN to UST flight and hotel package?
Booking an ICN to UST flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our extensive range of hotels and then add flights, activities and car rentals 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 Northeast Florida Regional Airport (UST)?
If you booked your ICN to UST flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.