Flight to St. Louis County

View S$116 flight on Tue, 7 Jul, 2026Opens in a new window

Popular airlines to St. Louis County

  • American Airlines

  • United

  • Delta

  • 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 S$116 for one-way flights and S$217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, 7 Jul - Tue, 14 Jul
ORD
Chicago
STL
St. Louis
S$217 Return, found 1 hour ago
S$217
Return
found 1 hour ago
Select United flight, departing Tue, 7 Jul from Chicago to St. Louis, returning Tue, 14 Jul, priced at S$217 found 1 hour ago
American Airlines
Tue, 7 Jul - Tue, 14 Jul
ORD
Chicago
STL
St. Louis
S$232 Return, found 1 hour ago
S$232
Return
found 1 hour ago
Select American Airlines flight, departing Tue, 7 Jul from Chicago to St. Louis, returning Tue, 14 Jul, priced at S$232 found 1 hour ago
United
Tue, 7 Jul - Tue, 14 Jul
ORD
Chicago
STL
St. Louis
S$232 Return, found 1 hour ago
S$232
Return
found 1 hour ago
Select United flight, departing Tue, 7 Jul from Chicago to St. Louis, returning Tue, 14 Jul, priced at S$232 found 1 hour ago
Delta
Tue, 7 Jul - Tue, 14 Jul
MDW
Chicago
STL
St. Louis
S$268 Return, found 1 hour ago
S$268
Return
found 1 hour ago
Select Delta flight, departing Tue, 7 Jul from Chicago to St. Louis, returning Tue, 14 Jul, priced at S$268 found 1 hour ago
Delta
Wed, 2 Dec - Wed, 6 Jan
SEA
Seattle
STL
St. Louis
S$419 Return, found 5 days ago
S$419
Return
found 5 days ago
Select Delta flight, departing Wed, 2 Dec from Seattle to St. Louis, returning Wed, 6 Jan, priced at S$419 found 5 days ago
EVA Airways
Fri, 19 Mar - Sat, 27 Mar
SIN
Singapore
STL
St. Louis
S$1,683 Return, found 6 days ago
S$1,683
Return
found 6 days ago
Select EVA Airways flight, departing Fri, 19 Mar from Singapore to St. Louis, returning Sat, 27 Mar, priced at S$1,683 found 6 days ago
Japan Airlines
Fri, 26 Jun - Fri, 10 Jul
SIN
Singapore
STL
St. Louis
S$1,708 Return, just found
S$1,708
Return
just found
Select Japan Airlines flight, departing Fri, 26 Jun from Singapore to St. Louis, returning Fri, 10 Jul, priced at S$1,708 just found
Cathay Pacific
Fri, 4 Sept - Sun, 13 Sept
SIN
Singapore
STL
St. Louis
S$1,840 Return, found 6 hours ago
S$1,840
Return
found 6 hours ago
Select Cathay Pacific flight, departing Fri, 4 Sept from Singapore to St. Louis, returning Sun, 13 Sept, priced at S$1,840 found 6 hours ago
Air Canada
Tue, 7 Jul - Mon, 13 Jul
SIN
Singapore
STL
St. Louis
S$1,865 Return, found 1 hour ago
S$1,865
Return
found 1 hour ago
Select Air Canada flight, departing Tue, 7 Jul from Singapore to St. Louis, returning Mon, 13 Jul, priced at S$1,865 found 1 hour ago
Lufthansa
Thu, 4 Mar - Sat, 27 Mar
SIN
Singapore
STL
St. Louis
S$1,983 Return, found 1 day ago
S$1,983
Return
found 1 day ago
Select Lufthansa flight, departing Thu, 4 Mar from Singapore to St. Louis, returning Sat, 27 Mar, priced at S$1,983 found 1 day ago

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.

EVA Airways
Fri, 19 Mar - Sat, 27 Mar
SIN
Singapore
STL
St. Louis
S$1,683 Return, found 6 days ago
S$1,683
Return
found 6 days ago
Select EVA Airways flight, departing Fri, 19 Mar from Singapore to St. Louis, returning Sat, 27 Mar, priced at S$1,683 found 6 days 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, S$217 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 S$217 and S$1,983. Many lucky holiday makers nabbed one-way flights from Chicago (ORD) for as low as S$116.
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.
When is the cheapest time to fly to St. Louis County?
Leave for St. Louis County earlier in the week and you'll usually be rewarded with lower-priced fares. Tuesday is generally the cheapest day to jump on a plane, with Monday a close second. If you'd like to avoid the most expensive flights, stay away from Saturdays.
How much is a plane ticket to St. Louis County?
In the last seven days, flights to St. Louis County cost between S$217 and S$1,983. 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.

Book with confidence

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.

Travel information

St. Louis County Flights Information

Airlines serving
United, American Airlines, Delta, Qatar Airways, Air Canada, Cathay Pacific, All Nippon Airways, EVA Airways, Japan Airlines, Lufthansa
Roundtrip price
from S$217
St. Louis County Flights Information
*Available to Expedia members.