Cheap Flights to St Louis City County from ₩134,800

View ₩134,800 flight on Tue, May 12, 2026Opens in a new window

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Popular airlines to St Louis City County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Frontier Airlines

  • Alaska Airlines

  • Air Canada

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

Prices were available within the past 7 days and start at ₩134,800 for one-way flights and ₩277,400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Jun 4 - Wed, Jun 10
SEA
Seattle
STL
St. Louis
₩277,400 Roundtrip, found 17 hours ago
₩277,400
Roundtrip
found 17 hours ago
Select Delta flight, departing Thu, Jun 4 from Seattle to St. Louis, returning Wed, Jun 10, priced at ₩277,400 found 17 hours ago
Delta
Thu, Jun 4 - Wed, Jun 10
SEA
Seattle
STL
St. Louis
₩346,700 Roundtrip, found 17 hours ago
₩346,700
Roundtrip
found 17 hours ago
Select Delta flight, departing Thu, Jun 4 from Seattle to St. Louis, returning Wed, Jun 10, priced at ₩346,700 found 17 hours ago
United
Thu, Jun 4 - Wed, Jun 10
SEA
Seattle
STL
St. Louis
₩373,400 Roundtrip, found 17 hours ago
₩373,400
Roundtrip
found 17 hours ago
Select United flight, departing Thu, Jun 4 from Seattle to St. Louis, returning Wed, Jun 10, priced at ₩373,400 found 17 hours ago
Delta
Thu, Jun 4 - Wed, Jun 10
SEA
Seattle
STL
St. Louis
₩389,700 Roundtrip, found 17 hours ago
₩389,700
Roundtrip
found 17 hours ago
Select Delta flight, departing Thu, Jun 4 from Seattle to St. Louis, returning Wed, Jun 10, priced at ₩389,700 found 17 hours ago
Delta
Thu, Jun 4 - Wed, Jun 10
SEA
Seattle
STL
St. Louis
₩395,400 Roundtrip, found 17 hours ago
₩395,400
Roundtrip
found 17 hours ago
Select Delta flight, departing Thu, Jun 4 from Seattle to St. Louis, returning Wed, Jun 10, priced at ₩395,400 found 17 hours ago
United
Thu, Jun 4 - Wed, Jun 10
SEA
Seattle
STL
St. Louis
₩442,800 Roundtrip, found 17 hours ago
₩442,800
Roundtrip
found 17 hours ago
Select United flight, departing Thu, Jun 4 from Seattle to St. Louis, returning Wed, Jun 10, priced at ₩442,800 found 17 hours ago
Delta
Thu, Jun 4 - Wed, Jun 10
SEA
Seattle
STL
St. Louis
₩462,000 Roundtrip, found 17 hours ago
₩462,000
Roundtrip
found 17 hours ago
Select Delta flight, departing Thu, Jun 4 from Seattle to St. Louis, returning Wed, Jun 10, priced at ₩462,000 found 17 hours ago
American Airlines
Thu, Jun 4 - Wed, Jun 10
SEA
Seattle
STL
St. Louis
₩689,500 Roundtrip, found 17 hours ago
₩689,500
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Thu, Jun 4 from Seattle to St. Louis, returning Wed, Jun 10, priced at ₩689,500 found 17 hours ago
KLM
Sat, Jun 27 - Sun, Jul 5
LHR
London
STL
St. Louis
₩1,783,000 Roundtrip, found 9 hours ago
₩1,783,000
Roundtrip
found 9 hours ago
Select KLM flight, departing Sat, Jun 27 from London to St. Louis, returning Sun, Jul 5, priced at ₩1,783,000 found 9 hours ago
Air Canada
Thu, Nov 12 - Thu, Jan 14
ICN
Seoul
STL
St. Louis
₩1,963,300 Roundtrip, found 2 days ago
₩1,963,300
Roundtrip
found 2 days ago
Select Air Canada flight, departing Thu, Nov 12 from Seoul to St. Louis, returning Thu, Jan 14, priced at ₩1,963,300 found 2 days ago

Trending flights to St Louis City 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.

Delta
Thu, Nov 12 - Thu, Jan 14
ICN
Seoul
STL
St. Louis
₩1,870,000 Roundtrip, found 2 days ago
₩1,870,000
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Nov 12 from Seoul to St. Louis, returning Thu, Jan 14, priced at ₩1,870,000 found 2 days ago

Frequently asked questions

How do I find cheap flights to St Louis City County that have flexible change policies?
It's as easy as can be with Expedia. Firstly, type in your preferred travel dates and click on "Search." Next, check "No change fee" just below the "Flexible change policies" filter on the top left of your screen. Step 3. Snag your flexible and cheap airfare to St Louis City County.
Which airlines fly to St Louis City County?
Choose a seat with one of these airlines and the vibrant region of St Louis City County will be yours to explore:

  • Southwest Airlines - 2,214 flights to or near St Louis City County each month, including 2,214 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • American Airlines - 789 flights to or near St Louis City County each month, including 789 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • Delta Air Lines - 650 flights to or near St Louis City County each month, including 650 flights to Lambert-St. Louis Intl. Airport (STL) per month.

How can I find cheap tickets to St Louis City County?
For an amazing deal to St Louis City County, book well ahead. Also use Expedia's "flexible dates" feature above your search results. This will list prices for the days around your travel dates. In the last seven days, ₩277,400 was the best price for a flight to St Louis City County.
How much is a flight to St Louis City County?
If you were journeying one way from Seattle (SEA), you could've scored a cheap ticket for ₩134,800 in the last seven days. Return flights to St Louis City County ranged from only ₩277,400 to ₩1,963,300 over the same period.
What are the most popular airports to fly into in St Louis City County?
Start arranging your St Louis City County vacation by securing one of the 4,902 monthly flights to Lambert-St. Louis Intl. Airport (STL). This is the region's primary gateway.
When is the cheapest time to fly to St Louis City County?
Consider traveling early in the week to secure the best deal to St Louis City County. Tuesday is commonly the most cost-effective day to depart, with Monday right behind it. Saturday typically has the most expensive ticket prices. This is because lots of travelers choose to kick off their vacation on a weekend.
How much is a plane ticket to St Louis City County?
In the last seven days, airfares to St Louis City County fluctuated between ₩277,400 and ₩1,963,300. Prices tend to go up over time, so pick up an awesome deal today.
What months are the cheapest to book a flight to St Louis City County?
The best month to score a great deal to St Louis City County is February, whereas the most expensive is December. Avoid this month if you're counting your pennies.

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About St Louis City County

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About St Louis City County

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