Cheap flights from Seoul to St. Louis from $465

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2 stops
Tue, Jun 3
Seoul ICNSt. Louis STL

$465
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1 stop
Tue, Jun 3
Seoul ICNSt. Louis STL

$466
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1 stop
Wed, Jun 4
Seoul ICNSt. Louis STL

$472
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2 stops
Tue, Jun 3
Seoul ICNSt. Louis STL

$473
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2 stops
Tue, Jun 3
Seoul ICNSt. Louis STL

$473
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1 stop
Tue, Jun 3
Seoul ICNSt. Louis STL

$500
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Prices updated:

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1 stop
Fri, Jun 6 – Wed, Jun 11
Seoul ICNSt. Louis STL

$961
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1 stop
Sat, Jun 7 – Thu, Jun 12
Seoul ICNSt. Louis STL

$962
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1 stop
Thu, Jun 5 – Tue, Jun 10
Seoul ICNSt. Louis STL

$966
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1 stop
Fri, Jun 6 – Tue, Jun 10
Seoul ICNSt. Louis STL

$967
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1 stop
Thu, Jun 5 – Mon, Jun 9
Seoul ICNSt. Louis STL

$972
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1 stop
Sun, Jun 8 – Sat, Jun 14
Seoul ICNSt. Louis STL

$993
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Prices updated:

How much do flights to St. Louis cost?

Key info about flying to St. Louis

Depart from
Incheon International
Arrive to
St. Louis Lambert International
Average flights per week
357
Flight distance

Check-in for a flight from Seoul to St. Louis

NameCarrier codeIATA CodePassport needed during booking
Korean AirKALKEYes
Hawaiian AirlinesHALHANo
Air CanadaACAACYes
Alaska AirlinesASAASNo
WestJetWJAWSNo

Weather in St. Louis

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January3°C-3°C
February6°C-2°C
March13°C3°C
April18°C8°C
May24°C14°C
June29°C19°C
July31°C21°C
August30°C20°C
September27°C16°C
October20°C10°C
November12°C3°C
December7°C0°C
Hottest Month
31°C
July
Coldest month
-3°C
January
Sunny days
264
days per year
Snow days
9
days per year

14 day forecast

Saturday
10 May
24°C9°C
17 May
21°C14°C
Sunday
11 May
24°C10°C
18 May
23°C11°C
Monday
12 May
25°C17°C
19 May
89%
19°C13°C
Tuesday
13 May
87%
24°C15°C
20 May
21°C10°C
Wednesday
14 May
27°C17°C
21 May
20°C10°C
Thursday
15 May
32°C19°C
22 May
22°C9°C
Friday
16 May
31°C19°C
23 May
67%
19°C13°C
Travelers usually depart from Incheon International, or Gimpo International when they travel from Seoul to St. Louis. The most popular airlines for this route are Korean Air, Hawaiian Airlines, Air Canada, Alaska Airlines, and WestJet. Seoul and St. Louis have 357 direct flights per week.

Frequently asked questions

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