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Cheap flights from Busan to St. Louis from $946

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Busan to St. Louis departing on 8/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Busan to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:00 am - 8:24 pm
PUS
-
STL
23h 24m
2 stops
Multiple Airlines Logo
8:55 am - 12:10 pm
STL
-
PUS
37h 15m
2 stops
$1,164Multiple Airlines
Thu, Aug 27 - Thu, Sep 3
Multiple Airlines Logo
11:00 am - 8:24 pm
PUS
-
STL
23h 24m
2 stops
Multiple Airlines Logo
2:40 pm - 1:00 pm
STL
-
PUS
56h 20m
2 stops
$1,215Multiple Airlines
Sun, Aug 23 - Sun, Aug 30
Multiple Airlines Logo
11:00 am - 8:24 pm
PUS
-
STL
23h 24m
2 stops
Multiple Airlines Logo
8:55 am - 12:10 pm
STL
-
PUS
37h 15m
2 stops
$1,221Multiple Airlines
Tue, Aug 25 - Tue, Sep 1
Multiple Airlines Logo
11:00 am - 8:24 pm
PUS
-
STL
23h 24m
2 stops
Multiple Airlines Logo
8:55 am - 12:10 pm
STL
-
PUS
37h 15m
2 stops
$1,224Multiple Airlines
Tue, Aug 25 - Tue, Sep 1
Multiple Airlines Logo
11:00 am - 8:24 pm
PUS
-
STL
23h 24m
2 stops
Multiple Airlines Logo
8:55 am - 12:10 pm
STL
-
PUS
37h 15m
2 stops
$1,225Multiple Airlines
Tue, Aug 25 - Tue, Sep 1
Multiple Airlines Logo
11:00 am - 8:24 pm
PUS
-
STL
23h 24m
2 stops
Multiple Airlines Logo
8:55 am - 1:00 pm
STL
-
PUS
38h 05m
2 stops
$1,226Multiple Airlines
Wed, Aug 26 - Wed, Sep 2
Multiple Airlines Logo
11:00 am - 8:24 pm
PUS
-
STL
23h 24m
2 stops
Multiple Airlines Logo
2:40 pm - 1:00 pm
STL
-
PUS
56h 20m
2 stops
$1,228Multiple Airlines
Sun, Aug 23 - Sun, Aug 30
Multiple Airlines Logo
9:00 pm - 10:59 pm
PUS
-
STL
63h 59m
2 stops
Multiple Airlines Logo
6:00 am - 7:50 pm
STL
-
PUS
47h 50m
2 stops
$1,425Multiple Airlines
Sun, Aug 23 - Sun, Aug 30
Multiple Airlines Logo
7:50 am - 8:24 pm
PUS
-
STL
26h 34m
2 stops
Multiple Airlines Logo
8:55 am - 8:05 am
STL
-
PUS
33h 10m
3 stops
$1,447Multiple Airlines
Tue, Aug 25 - Tue, Sep 1
Multiple Airlines Logo
7:50 am - 8:24 pm
PUS
-
STL
26h 34m
2 stops
Multiple Airlines Logo
8:55 am - 9:10 am
STL
-
PUS
34h 15m
3 stops
$1,459Multiple Airlines
Tue, Aug 25 - Tue, Sep 1

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Korean Air flights from Busan to St. Louis

Our best Korean Air deals on Busan to St. Louis flight tickets
Korean Air
Aug 27
PUS7:00 amBusan Gimhae
20h 14m
2 stops
STL1:14 pmLambert-St Louis
Aug 31
STL8:00 amLambert-St Louis
21h 35m
2 stops
PUS7:35 pmBusan Gimhae
$2,125
Korean Air
Aug 27
PUS7:00 amBusan Gimhae
20h 14m
2 stops
STL1:14 pmLambert-St Louis
Aug 31
STL8:00 amLambert-St Louis
21h 35m
2 stops
PUS7:35 pmBusan Gimhae
$2,131
Korean Air
Aug 27
PUS7:00 amBusan Gimhae
20h 14m
2 stops
STL1:14 pmLambert-St Louis
Aug 31
STL8:00 amLambert-St Louis
21h 35m
2 stops
PUS7:35 pmBusan Gimhae
$2,138

momondo Fare Finder

 
Customize your flight search to find flights from Busan to St. Louis 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, momondo users made 832,500 searches. Data last updated July 14, 2026.
Use the filters below to find and compare flights from Busan to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Thu 8/27

11:00 am-8:24 pm

2 stops23h 24m

Lambert-St Louis

Thu 9/3

8:55 am-12:10 pm

2 stops37h 15m

$1,164

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Sun 8/23

11:00 am-8:24 pm

2 stops23h 24m

Lambert-St Louis

Sun 8/30

2:40 pm-1:00 pm

2 stops56h 20m

$1,215

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Tue 8/25

11:00 am-8:24 pm

2 stops23h 24m

Lambert-St Louis

Tue 9/1

8:55 am-12:10 pm

2 stops37h 15m

$1,221

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Tue 8/25

11:00 am-8:24 pm

2 stops23h 24m

Lambert-St Louis

Tue 9/1

8:55 am-12:10 pm

2 stops37h 15m

$1,224

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Tue 8/25

11:00 am-8:24 pm

2 stops23h 24m

Lambert-St Louis

Tue 9/1

8:55 am-12:10 pm

2 stops37h 15m

$1,225

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Wed 8/26

11:00 am-8:24 pm

2 stops23h 24m

Lambert-St Louis

Wed 9/2

8:55 am-1:00 pm

2 stops38h 05m

$1,226

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Sun 8/23

11:00 am-8:24 pm

2 stops23h 24m

Lambert-St Louis

Sun 8/30

2:40 pm-1:00 pm

2 stops56h 20m

$1,228

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Sun 8/23

9:00 pm-10:59 pm

2 stops63h 59m

Lambert-St Louis

Sun 8/30

6:00 am-7:50 pm

2 stops47h 50m

$1,425
Quickest round-trip

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Tue 8/25

7:50 am-8:24 pm

2 stops26h 34m

Lambert-St Louis

Tue 9/1

8:55 am-8:05 am

3 stops33h 10m

$1,447

BusanSt. Louis

PUS - STL

PUSSTL

Busan Gimhae

Tue 8/25

7:50 am-8:24 pm

2 stops26h 34m

Lambert-St Louis

Tue 9/1

8:55 am-9:10 am

3 stops34h 15m

$1,459

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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2

When to book flights from Busan to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Busan to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Busan to St. Louis (PUS to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Busan to St. Louis

Fastest flight time

21h 29m

Direct flights

None
The fastest flight from Busan to St. Louis takes 21h 29m
There are no direct flights from Busan to St. Louis. There are no popular flight routes from Busan to St. Louis.
Search flight deals

Frequently asked questions about flying from Busan to St. Louis

  • How far is Busan Gimhae to Lambert-St Louis by plane?

    The straight-line distance from Busan Gimhae to Lambert-St Louis is 6754.0 mi. In terms of flight time, this usually takes a little over 21h 29m.

  • When did momondo last update prices for flights from Busan Gimhae Airport to Lambert-St Louis Airport?

    Prices for flights from Busan Gimhae Airport to Lambert-St Louis Airport were last updated today.

  • How old do you have to be to fly from Busan Gimhae Airport to Lambert-St Louis Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Busan Gimhae Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Busan to St. Louis

  • How do I get Price Alerts for flights from Busan to St. Louis?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Busan from St. Louis. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Busan to St. Louis with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
Collinsville
Florissant
St. Peters
Maryland Heights
O'Fallon
Alton
Farmington
Wentzville
Clayton
Fenton
Festus
Eureka
Edwardsville
Litchfield
Grafton
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Busan to St. Louis?

It is quick and easy to find Busan to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

Can I find flights from Busan to St. Louis with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to St. Louis from Busan with this policy.

How can momondo help me find flights from Busan to St. Louis?

Once you have performed a search for Busan to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Busan to St. Louis right now. Can momondo alert me if prices change?

Price alerts on flights to St. Louis from Busan are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your St. Louis trip

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