Flight Destinations in St. Louis County

View ฿5,680 flight on Tue, 10 Mar 2026Opens in a new window

Popular airlines to St. Louis County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Frontier 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 ฿5,680 for one-way flights and ฿19,385 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 27 Feb - Tue, 3 Mar
SFO
San Francisco
STL
St. Louis
฿19,385 Return, found 7 hours ago
฿19,385
Return
found 7 hours ago
Select Delta flight, departing Fri, 27 Feb from San Francisco to St. Louis, returning Tue, 3 Mar, priced at ฿19,385 found 7 hours ago
United
Fri, 27 Feb - Tue, 3 Mar
SFO
San Francisco
STL
St. Louis
฿19,700 Return, found 7 hours ago
฿19,700
Return
found 7 hours ago
Select United flight, departing Fri, 27 Feb from San Francisco to St. Louis, returning Tue, 3 Mar, priced at ฿19,700 found 7 hours ago
Delta
Fri, 27 Feb - Tue, 3 Mar
SFO
San Francisco
STL
St. Louis
฿19,765 Return, found 7 hours ago
฿19,765
Return
found 7 hours ago
Select Delta flight, departing Fri, 27 Feb from San Francisco to St. Louis, returning Tue, 3 Mar, priced at ฿19,765 found 7 hours ago
Delta
Fri, 27 Feb - Tue, 3 Mar
SFO
San Francisco
STL
St. Louis
฿20,500 Return, found 7 hours ago
฿20,500
Return
found 7 hours ago
Select Delta flight, departing Fri, 27 Feb from San Francisco to St. Louis, returning Tue, 3 Mar, priced at ฿20,500 found 7 hours ago
American Airlines
Fri, 27 Feb - Tue, 3 Mar
SFO
San Francisco
STL
St. Louis
฿20,660 Return, found 7 hours ago
฿20,660
Return
found 7 hours ago
Select American Airlines flight, departing Fri, 27 Feb from San Francisco to St. Louis, returning Tue, 3 Mar, priced at ฿20,660 found 7 hours ago
United
Fri, 27 Feb - Tue, 3 Mar
SFO
San Francisco
STL
St. Louis
฿21,685 Return, found 7 hours ago
฿21,685
Return
found 7 hours ago
Select United flight, departing Fri, 27 Feb from San Francisco to St. Louis, returning Tue, 3 Mar, priced at ฿21,685 found 7 hours ago
American Airlines
Fri, 27 Feb - Tue, 3 Mar
SFO
San Francisco
STL
St. Louis
฿22,315 Return, found 7 hours ago
฿22,315
Return
found 7 hours ago
Select American Airlines flight, departing Fri, 27 Feb from San Francisco to St. Louis, returning Tue, 3 Mar, priced at ฿22,315 found 7 hours ago
Air Canada
Mon, 11 May - Wed, 26 Aug
BKK
Bangkok
STL
St. Louis
฿32,930 Return, found 6 days ago
฿32,930
Return
found 6 days ago
Select Air Canada flight, departing Mon, 11 May from Bangkok to St. Louis, returning Wed, 26 Aug, priced at ฿32,930 found 6 days ago
EVA Airways
Fri, 24 Apr - Thu, 30 Apr
CNX
Chiang Mai
STL
St. Louis
฿36,950 Return, found 1 day ago
฿36,950
Return
found 1 day ago
Select EVA Airways flight, departing Fri, 24 Apr from Chiang Mai to St. Louis, returning Thu, 30 Apr, priced at ฿36,950 found 1 day ago
Cathay Pacific
Sat, 26 Sept - Sat, 21 Nov
BKK
Bangkok
STL
St. Louis
฿41,395 Return, found 1 day ago
฿41,395
Return
found 1 day ago
Select Cathay Pacific flight, departing Sat, 26 Sept from Bangkok to St. Louis, returning Sat, 21 Nov, priced at ฿41,395 found 1 day ago

About St. Louis County

Expedia offers flights to St. Louis County to meet every traveller'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?
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, ฿19,385 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 ฿19,385 and ฿41,395. Many lucky holiday makers nabbed one-way flights from San Francisco (SFO) for as low as ฿5,680.
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 ฿19,385 and ฿41,395. 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.

Trending flights to St. Louis County

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

Air Canada
Mon, 11 May - Wed, 26 Aug
BKK
Bangkok
STL
St. Louis
฿32,930 Return, found 6 days ago
฿32,930
Return
found 6 days ago
Select Air Canada flight, departing Mon, 11 May from Bangkok to St. Louis, returning Wed, 26 Aug, priced at ฿32,930 found 6 days ago
*Available to Expedia members.