SEL - STL

$548 Find Cheap Flights from Seoul to St. Louis - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seoul to St. Louis departing on 9/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seoul to St. Louis, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seoul to St. Louis, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$1,292
Typical prices: $836-$695
American Airlines
Thu 10/15Mon 10/19
ICN - STL • 1 stop
Cheapest one-way
$548
Multiple Airlines
Thu 9/3
ICN - STL • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Seoul and St. Louis. You'll need at least 1 connection.
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Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $711 (round-trip)
Salt Lake City (SLC)
Shortest trip • 15h 38m (one-way)
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to St. Louis!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seoul to St. Louis (SEL-STL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seoul to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seoul to St. Louis

Thu, Oct 15 - Mon, Oct 19
American Airlines Logo
5:50 pm - 10:00 pm
ICN
-
STL
18h 10m
1 stop
American Airlines Logo
8:05 pm - 3:45 pm
STL
-
ICN
29h 40m
2 stops
$1,292American Airlines
Thu, Oct 15 - Mon, Oct 19
Air Canada Logo
5:45 pm - 6:41 pm
ICN
-
STL
38h 56m
2 stops
Air Canada Logo
12:10 pm - 4:05 pm
STL
-
ICN
37h 55m
2 stops
$1,468Air Canada
Booking Insights

KAYAK's insights & trends for Seoul to St. Louis flights

Get data-powered insights and trends into flights from Seoul to St. Louis to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Seoul to St. Louis?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seoul to St. Louis, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seoul to St. Louis is April, where tickets cost $0 (return) on average. On the other hand, the most expensive months are January and July, where the average cost of round-trip tickets is $1,498 and $1,104 respectively.

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Good to know

Cheapest flight$548
Flight from Seoul Incheon Airport to St. Louis

When to book flights from Seoul to St. Louis

Are your dates flexible? Find out the best times to travel from Seoul to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seoul to St. Louis

  • What is the cheapest flight from Seoul to St. Louis?

    In the last 5 days, the lowest price for a flight from Seoul to St. Louis was $548 for a one-way ticket and $1,292 for a round-trip.

  • Do I need a passport to fly between Seoul and St. Louis?

    A passport is required to fly from Seoul to St. Louis.

  • Which airports will I be using when flying from Seoul to St. Louis?

    There are 2 airports in Seoul (Seoul Gimpo Intl and Incheon Intl.) and only 1 airport in St. Louis (Lambert-St Louis). The cheapest flights are generally found on the Seoul Incheon Airport to Lambert-St Louis flight route.

  • Which aircraft models fly most regularly from Seoul to St. Louis?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Seoul to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seoul to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seoul to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Seoul is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seoul to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Seoul with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seoul to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Seoul up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Seoul to St. Louis

Information on your arrival and departure airports

St. Louis (STL)