How to get from St Louis to Seoul: connecting flights, about 19h 16m total

Flights from St Louis to Seoul

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Where to connect

Options with one connection, fastest first

fastest, via Chicago: 19h 16m
two tickets, via Seattle: $864
connection options: 5
straight-line distance: 6,666 mi (10,728 km)

fastest

Via Chicago

19h 16m

with the connection

St Louis to Chicago flight 1h 28m

Connection of about 3h

Chicago to Seoul flight 14h 48m

two ticketsfrom $1,193

Via Seattle

19h 23m

with the connection

St Louis to Seattle flight 4h 28m

Connection of about 3h

Seattle to Seoul flight 11h 55m

two ticketsfrom $864

Via Detroit

19h 33m

with the connection

St Louis to Detroit flight 1h 30m

Connection of about 3h

Detroit to Seoul flight 15h 3m

Via Toronto

Canada

19h 58m

with the connection

St Louis to Toronto flight 1h 58m

Connection of about 3h

Toronto to Seoul flight 15h

two ticketsfrom $2,023

Via Las Vegas

20h

with the connection

St Louis to Las Vegas flight 3h 35m

Connection of about 3h

Las Vegas to Seoul flight 13h 25m

two ticketsfrom $1,581

One ticket or two

How the options are calculated and what to keep in mind at the connection

Flight times come from the nonstop schedule (estimated from the distance where there is no schedule), with 3h allowed for the connection. The price of an option is the sum of the lowest known fares for each leg; their dates may not match, so treat it as a guide. The search shows tickets for your dates, including connections on a single ticket.

When to visit Seoul

Weather by month

Best time to visit: June and September, +26° to +27° by day, sea +23° to +27°. In November it is +12° by day and +2° at night, sea +16°, with 6 rainy days.

Jan

+2° −7° +4° 4 days

Feb

+5° −5° +3° 4 days

Mar

+12° +1° +6° 7 days

Apr

+18° +7° +11° 7 days

May

+22° +12° +17° 9 days

Jun

+27° +18° +23° 13 days

Jul

+30° +23° +27° 18 days

Aug

+30° +23° +30° 18 days

Sep

+26° +18° +27° 11 days

Oct

+19° +10° +22° 9 days

Nov

+12° +2° +16° 6 days

Dec

+3° −6° +8° 5 days

Daytime and night temperatures in °C, sea temperature (in blue), rainy days. Months with the most comfortable weather are in green. Long-term averages.

Nearest nonstop flights

The closest you can get without a connection

From St Louis to cities closest to Seoul

St Louis to Seattle Seattle: 5,171 mi (8,322 km) from Seoul, flight 4h 28m from $240 St Louis to Frankfurt Frankfurt: 5,319 mi (8,560 km) from Seoul, flight 8h 50m St Louis to San Francisco San Francisco: 5,610 mi (9,029 km) from Seoul, flight 4h 36m from $222 St Louis to Los Angeles Los Angeles: 5,956 mi (9,586 km) from Seoul, flight 4h 10m from $99 St Louis to Las Vegas Las Vegas: 5,978 mi (9,621 km) from Seoul, flight 3h 35m from $113 St Louis to San Diego San Diego: 6,066 mi (9,762 km) from Seoul, flight 4h

To Seoul from cities closest to St Louis

Chicago to Seoul Chicago: 262 mi (422 km) from St Louis, flight 14h 48m from $515 Detroit to Seoul Detroit: 455 mi (732 km) from St Louis, flight 15h 3m from $620 Atlanta to Seoul Atlanta: 467 mi (752 km) from St Louis, flight 15h 55m from $792 Dallas to Seoul Dallas: 548 mi (882 km) from St Louis, flight 15h 20m from $520 Toronto to Seoul Toronto: 661 mi (1,063 km) from St Louis, flight 15h from $476 Washington to Seoul Washington: 709 mi (1,141 km) from St Louis, flight 15h 50m from $711

Frequently asked questions

Is there a nonstop flight from St Louis to Seoul?

There are no nonstop flights in the schedule. You will need a connection, the fastest is via Chicago.

What is the fastest way to fly from St Louis to Seoul?

Via Chicago: 1h 28m to the connection, 14h 48m after it, about 19h 16m in total with 3h for the connection.

How much does a flight from St Louis to Seoul with a connection cost?

Two nonstop tickets via Seattle from $864. This is the sum of the lowest known prices for each leg, and their dates may not match.

Which cities can you connect in between St Louis and Seoul?

Chicago (19h 16m total), Seattle (19h 23m total), Detroit (19h 33m total), Toronto (19h 58m total) and Las Vegas (20h total).

How far is Seoul from St Louis?

6,666 mi (10,728 km) in a straight line between the cities.

How much time should I allow for the connection?

The options allow 3h. On a single ticket the carrier is responsible for the connection; on separate tickets you set the margin yourself, allowing time to collect and re-check your bags.