Cheap Flights to St. Louis County from ₩1,415,500

View ₩1,415,500 flight on Mon, Feb 2, 2026Opens in a new window

Popular airlines to St. Louis County

  • Delta

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  • United

    United

  • WestJet

    WestJet

  • KLM

    KLM

  • Sun Country Airlines

    Sun Country Airlines

  • Virgin Atlantic

    Virgin Atlantic

  • Air France

    Air France

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How much is the cheapest flight to St. Louis County?

Prices were available within the past 7 days and start at ₩1,415,500 for one-way flights and ₩2,171,100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Mon, Feb 2 - Fri, Feb 6
ICN
Seoul
DLH
Duluth
₩2,171,100 Roundtrip, found 1 day ago
₩2,171,100
Roundtrip
found 1 day ago
Select Korean Air flight, departing Mon, Feb 2 from Seoul to Duluth, returning Fri, Feb 6, priced at ₩2,171,100 found 1 day ago
United
Mon, Feb 2 - Fri, Feb 6
ICN
Seoul
DLH
Duluth
₩2,181,500 Roundtrip, found 1 day ago
₩2,181,500
Roundtrip
found 1 day ago
Select United flight, departing Mon, Feb 2 from Seoul to Duluth, returning Fri, Feb 6, priced at ₩2,181,500 found 1 day ago
Delta
Mon, Feb 2 - Fri, Feb 6
ICN
Seoul
DLH
Duluth
₩2,254,100 Roundtrip, found 1 day ago
₩2,254,100
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Feb 2 from Seoul to Duluth, returning Fri, Feb 6, priced at ₩2,254,100 found 1 day ago
Korean Air
Mon, Feb 2 - Fri, Feb 6
ICN
Seoul
DLH
Duluth
₩2,329,100 Roundtrip, found 1 day ago
₩2,329,100
Roundtrip
found 1 day ago
Select Korean Air flight, departing Mon, Feb 2 from Seoul to Duluth, returning Fri, Feb 6, priced at ₩2,329,100 found 1 day ago
Delta
Mon, Feb 2 - Fri, Feb 6
ICN
Seoul
DLH
Duluth
₩2,350,100 Roundtrip, found 1 day ago
₩2,350,100
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Feb 2 from Seoul to Duluth, returning Fri, Feb 6, priced at ₩2,350,100 found 1 day ago
Korean Air
Mon, Feb 2 - Fri, Feb 6
ICN
Seoul
DLH
Duluth
₩2,441,600 Roundtrip, found 1 day ago
₩2,441,600
Roundtrip
found 1 day ago
Select Korean Air flight, departing Mon, Feb 2 from Seoul to Duluth, returning Fri, Feb 6, priced at ₩2,441,600 found 1 day ago
United
Sun, Jan 18 - Tue, Feb 10
ICN
Seoul
DLH
Duluth
₩2,455,600 Roundtrip, found 2 days ago
₩2,455,600
Roundtrip
found 2 days ago
Select United flight, departing Sun, Jan 18 from Seoul to Duluth, returning Tue, Feb 10, priced at ₩2,455,600 found 2 days ago
Delta
Mon, Feb 2 - Fri, Feb 6
ICN
Seoul
DLH
Duluth
₩2,462,600 Roundtrip, found 1 day ago
₩2,462,600
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Feb 2 from Seoul to Duluth, returning Fri, Feb 6, priced at ₩2,462,600 found 1 day ago
Korean Air
Mon, Feb 2 - Fri, Feb 6
ICN
Seoul
DLH
Duluth
₩2,472,300 Roundtrip, found 1 day ago
₩2,472,300
Roundtrip
found 1 day ago
Select Korean Air flight, departing Mon, Feb 2 from Seoul to Duluth, returning Fri, Feb 6, priced at ₩2,472,300 found 1 day ago
Korean Air
Mon, Feb 2 - Fri, Feb 6
ICN
Seoul
DLH
Duluth
₩2,480,600 Roundtrip, found 1 day ago
₩2,480,600
Roundtrip
found 1 day ago
Select Korean Air flight, departing Mon, Feb 2 from Seoul to Duluth, returning Fri, Feb 6, priced at ₩2,480,600 found 1 day ago

About St. Louis County

Expedia offers flights to St. Louis County to meet every traveler's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to St. Louis County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

Frequently asked questions

How do I find cheap flights to St. Louis County that have flexible change policies?
By using our nifty "No change fee" filter, that's how. Simply enter your travel dates, click "Search," then select the box directly underneath the "Flexible change policies" heading (look to the left of your screen). Expedia makes it a cinch to find flexible and affordable airfares to St. Louis County.
Which airlines fly to St. Louis County?
You can choose from two popular airlines offering flights to or near St. Louis County. Pack your belongings and jet off with either of these:

  • Delta Air Lines - 91 flights to or near St. Louis County each month, including 91 flights to Duluth Intl. Airport (DLH) per month.
  • United Airlines - 65 flights to or near St. Louis County each month, including 65 flights to Duluth Intl. Airport (DLH) per month.

How can I find cheap tickets to St. Louis County?
You'll always score a fabulous deal with Expedia, but our "flexible dates" search function makes it that much easier. Enter your preferred flight date, then click on the flexible dates link above to compare prices for nearby days. ₩2,171,100 was the lowest price for a flight to St. Louis County in the last seven days.
How much is a flight to St. Louis County?
In the last seven days, round-trip tickets to St. Louis County sold from just ₩2,171,100 and reached a maximum cost of ₩3,304,700. For one-way trips taking off from Seoul (ICN), the lowest amount paid during this same period was only ₩1,415,500.
What are the most popular airports to fly into in St. Louis County?
Jet into Duluth Intl. Airport (DLH) and enjoy everything that St. Louis County has to offer. As the region's primary entry point, around 156 flights land here every month.
When is the cheapest time to fly to St. Louis County?
If you'd rather spend your money experiencing the delights of St. Louis County rather than on getting there, depart earlier in the week. The most affordable day to travel is usually Tuesday, with Monday running a close second. With many people traveling on weekends, Saturday typically has the costliest fares.
How much is a plane ticket to St. Louis County?
In the last seven days, plane tickets to St. Louis County ranged between ₩2,171,100 and ₩3,304,700. Prices tend to go up over time, so pick up a good deal today.
What is the best time to go to St. Louis County?
Duluth, St. Louis County's most well-known city, is a fabulous destination to tour around at anytime. Not into chilly weather? Then travel here from June 20 onward during the summer months, when temperatures fluctuate from 55ºF to 75ºF. March, July and August is when Duluth brings in the biggest crowds.
What months are the cheapest to book a flight to St. Louis County?
The perfect month to purchase affordable flights to St. Louis County is February. Remember that in the U.S, an expensive time to secure a ticket is the month of December.

Trending flights to St. Louis County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Mon, Feb 2 - Fri, Feb 6
ICN
Seoul
DLH
Duluth
₩2,171,100 Roundtrip, found 1 day ago
₩2,171,100
Roundtrip
found 1 day ago
Select Korean Air flight, departing Mon, Feb 2 from Seoul to Duluth, returning Fri, Feb 6, priced at ₩2,171,100 found 1 day ago
*Available to Expedia members.