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Jeju-do

$10,970+ Cheap flights from St. Louis (STL) to Jeju-do

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CJU
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Find flight deals from St. Louis to Jeju-do

Cheapest flights from St. Louis to Jeju-do
Explore the most affordable flight options available from St. Louis to Jeju-do. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Booking.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/198:10 amSTL - CJU
3 stops38h 20mMultiple Airlines
Tue 8/267:10 pmCJU - STL
3 stops36h 42mMultiple Airlines
Deal found 8/17$10,970

Best time to book a flight from St. Louis to Jeju-do

Have a flexible travel schedule? Discover the best time to fly to Jeju-do from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Jeju-do
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Related info for your journey

Find useful and relevant information for your journey from St. Louis to Jeju-do. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Jeju-do?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Jeju-do. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • Can I find deals for flights from St. Louis to Jeju-do that include hotel bookings?

    Yes. In addition to deals on St. Louis to Jeju-do flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Jeju-do?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Jeju-do.

  • Can I find deals for business class flights from St. Louis to Jeju-do?

    Yes. Cheapflights offers flight deals from St. Louis to Jeju-do by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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