HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Missouri

$436+ Cheap flights from Busan (PUS) to Missouri

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — STL
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Busan to Missouri with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Busan to Missouri

Cheapest flights from Busan to Missouri
Explore the most affordable flight options available from Busan to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This Korean Air deal was found by Cheapflights users on 2/8. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:00 am
PUS
-
STL
2 stops19h 17m
Korean Air
Mon 9/147:30 am
STL
-
PUS
2 stops23h 15m
Korean Air
Deal found 2/8$1,513
This Korean Air deal was found by Cheapflights users on 2/9. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/264:30 pm
PUS
-
STL
2 stops20h 43m
Korean Air
Fri 5/17:02 am
STL
-
PUS
2 stops21h 18m
Korean Air
Deal found 2/9$1,605

Find flight deals from Busan to Missouri

Keep the following information in mind while searching for Busan to Missouri flight deals. Data was last updated February 12, 2026.

Round-trip from

$1,605
(Korean Air)

One-way from

$436
(Mytrip)
From Busan Gimhae to Missouri
Search Deals
One-way flight from Busan Gimhae to Missouri
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Busan to Missouri that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 12, 2026.
Use the filters below to find and compare flights from Busan to Missouri that are best for you.

Fly from

Busan

Fly to

Missouri

Route

Depart

Return

Price

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Sun 4/26

4:30 pm-11:13 pm

2 stops20h 43m

Lambert-St Louis

Fri 5/1

7:02 am-6:20 pm

2 stops21h 18m

$1,605

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Tue 7/14

7:30 am-2:02 pm

2 stops44h 32m

$436

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Thu 6/4

7:30 am-8:05 pm

2 stops26h 35m

$456

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Tue 6/2

7:30 am-11:57 pm

3 stops30h 27m

$541

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Mon 7/13

7:30 am-4:45 pm

3 stops47h 15m

$551

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Wed 6/3

7:15 am-5:06 pm

3 stops47h 51m

$612

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Mon 6/1

7:15 am-5:06 pm

3 stops47h 51m

$619

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Best time to book a flight from Busan to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri from Busan 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 Busan to Missouri
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Busan to Missouri. 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 Busan to Missouri?

    For a flight from Busan to Missouri, you will be flying from Gimhae. Busan Gimhae (PUS) is just 7.2 mi from the center of the city.

  • How long is the flight from Busan to Missouri?

    There are many flights that can get you from Busan to Missouri in 20h 43m. Fly via Korean Air to get the fastest option. There are 6740 mi between Busan and Missouri.

  • Can I find deals for flights from Busan to Missouri that include hotel bookings?

    Yes. In addition to deals on Busan to Missouri flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Busan to Missouri?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Busan to Missouri.

  • Can I find deals for business class flights from Busan to Missouri?

    Yes. Cheapflights offers flight deals from Busan to Missouri by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Busan to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
Incheon Intl to Los Angeles flights
Incheon Intl to John F Kennedy Intl flights
Incheon Intl to LaGuardia flights
Incheon Intl to Seattle flights
Incheon Intl to Newark flights
Incheon Intl to San Francisco flights
Incheon Intl to Honolulu flights
Gimpo Intl to John F Kennedy Intl flights
Incheon Intl to Dallas/Fort Worth flights
Incheon Intl to Las Vegas flights
Gimpo Intl to Los Angeles flights
Incheon Intl to Ontario flights
Incheon Intl to Atlanta flights
Incheon Intl to Dulles Intl flights
Incheon Intl to Santa Ana flights
Incheon Intl to O'Hare Intl flights
Incheon Intl to Boston flights
Gimpo Intl to Honolulu flights
Gimpo Intl to San Francisco flights
Incheon Intl to Detroit flights
Gimpo Intl to Newark flights
Incheon Intl to San Jose flights
Incheon Intl to Love Field flights
Incheon Intl to Burbank flights
Incheon Intl to Denver flights
Incheon Intl to St. Louis flights
Incheon Intl to Portland flights
Incheon Intl to Raleigh flights
Gimpo Intl to O'Hare Intl flights
Incheon Intl to Reagan-National flights
Incheon Intl to Sky Harbor Intl flights
Incheon Intl to Midway flights
Incheon Intl to Orlando flights
Incheon Intl to Baltimore flights
Incheon Intl to Salt Lake City flights
Gimpo Intl to Boston flights
Incheon Intl to Austin flights
Incheon Intl to Hobby flights
Incheon Intl to Kailua-Kona flights
Incheon Intl to Philadelphia flights
Gimpo Intl to Baltimore flights
Incheon Intl to Pittsburgh flights
Incheon Intl to Oakland flights
Incheon Intl to San Antonio flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.