St. Louis County Flights - Book Cheap Flights to St. Louis County

View RM676 flight on Thu, 16 Jul 2026Opens in a new window

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Popular airlines to St. Louis County

  • American Airlines

  • Delta

  • United

  • Frontier Airlines

  • Southwest Airlines

  • Alaska Airlines

  • Air Canada

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Cheap round-trip flights to St. Louis County

Prices were available within the past 7 days and start at RM676 for one-way flights and RM2,319 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 13 May - Wed, 20 May
BWI
Baltimore
STL
St. Louis
RM2,319 Return, found 9 hours ago
RM2,319
Return
found 9 hours ago
Select American Airlines flight, departing Wed, 13 May from Baltimore to St. Louis, returning Wed, 20 May, priced at RM2,319 found 9 hours ago
American Airlines
Wed, 13 May - Wed, 20 May
BWI
Baltimore
STL
St. Louis
RM2,437 Return, found 9 hours ago
RM2,437
Return
found 9 hours ago
Select American Airlines flight, departing Wed, 13 May from Baltimore to St. Louis, returning Wed, 20 May, priced at RM2,437 found 9 hours ago
Delta
Wed, 13 May - Wed, 20 May
BWI
Baltimore
STL
St. Louis
RM2,782 Return, found 9 hours ago
RM2,782
Return
found 9 hours ago
Select Delta flight, departing Wed, 13 May from Baltimore to St. Louis, returning Wed, 20 May, priced at RM2,782 found 9 hours ago
Delta
Wed, 13 May - Wed, 20 May
BWI
Baltimore
STL
St. Louis
RM2,783 Return, found 9 hours ago
RM2,783
Return
found 9 hours ago
Select Delta flight, departing Wed, 13 May from Baltimore to St. Louis, returning Wed, 20 May, priced at RM2,783 found 9 hours ago
American Airlines
Wed, 13 May - Wed, 20 May
BWI
Baltimore
STL
St. Louis
RM2,806 Return, found 9 hours ago
RM2,806
Return
found 9 hours ago
Select American Airlines flight, departing Wed, 13 May from Baltimore to St. Louis, returning Wed, 20 May, priced at RM2,806 found 9 hours ago
American Airlines
Wed, 13 May - Wed, 20 May
BWI
Baltimore
STL
St. Louis
RM2,822 Return, found 9 hours ago
RM2,822
Return
found 9 hours ago
Select American Airlines flight, departing Wed, 13 May from Baltimore to St. Louis, returning Wed, 20 May, priced at RM2,822 found 9 hours ago
Delta
Wed, 13 May - Wed, 20 May
BWI
Baltimore
STL
St. Louis
RM2,880 Return, found 9 hours ago
RM2,880
Return
found 9 hours ago
Select Delta flight, departing Wed, 13 May from Baltimore to St. Louis, returning Wed, 20 May, priced at RM2,880 found 9 hours ago
American Airlines
Wed, 13 May - Wed, 20 May
BWI
Baltimore
STL
St. Louis
RM2,940 Return, found 9 hours ago
RM2,940
Return
found 9 hours ago
Select American Airlines flight, departing Wed, 13 May from Baltimore to St. Louis, returning Wed, 20 May, priced at RM2,940 found 9 hours ago
American Airlines
Wed, 13 May - Wed, 20 May
BWI
Baltimore
STL
St. Louis
RM2,944 Return, found 9 hours ago
RM2,944
Return
found 9 hours ago
Select American Airlines flight, departing Wed, 13 May from Baltimore to St. Louis, returning Wed, 20 May, priced at RM2,944 found 9 hours ago
United
Thu, 14 May - Thu, 21 May
BWI
Baltimore
STL
St. Louis
RM3,152 Return, found 1 day ago
RM3,152
Return
found 1 day ago
Select United flight, departing Thu, 14 May from Baltimore to St. Louis, returning Thu, 21 May, priced at RM3,152 found 1 day ago

Frequently asked questions

How do I find cheap flights to St. Louis County that have flexible change policies?
When it comes to travelling these days, flexibility is key. That's why we have a "No change fee" search function to help you track down cheap and flexible flights to St. Louis County. It's near the top left of your screen directly underneath the "Flexible change policies" heading.
Which airlines fly to St. Louis County?
When you're ready to lock in your seat to or near St. Louis County, these leading airlines are waiting to welcome you aboard:

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

How can I find cheap tickets to St. Louis County?
An excellent strategy for scoring cheap fares is to be flexible with your travel dates. Begin with searching for your flight to St. Louis County, then click on the "flexible dates" box to see prices for nearby days. Want another good tip? Book ahead of time. To give you an idea of costs, RM2,319 was the best price for a flight to St. Louis County in the last seven days.
How much is a flight to St. Louis County?
There were plenty of budget-friendly fares up for grabs in the last seven days, with the price of a return ticket to St. Louis County ranging between RM2,319 and RM3,152. Many lucky holiday makers nabbed one-way flights from Baltimore (BWI) for as low as RM676.
What are the most popular airports to fly into in St. Louis County?
The principal gateway to St. Louis County, around 4,902 flights taxi into Lambert-St. Louis Intl. Airport (STL) each month. Search for an amazing deal, lock in your fare and get set to explore this fantastic region.
How much is a plane ticket to St. Louis County?
In the last seven days, flights to St. Louis County cost between RM2,319 and RM3,152. Prices depend on a number of things, particularly the departure time, airline, cabin class and how early you make your booking.
What months are the cheapest to book a flight to St. Louis County?
Reserve your ticket in February to enjoy the lowest-priced flights to St. Louis County. The festive month of December is usually the most expensive time to purchase an airfare.

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About St. Louis County

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About St. Louis County
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