Flight to St. Louis County

View S$115 flight on Sun, 26 Apr, 2026Opens in a new window

Popular airlines to St. Louis County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • Alaska Airlines

    Alaska Airlines

  • Air Canada

    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$115 for one-way flights and S$229 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 20 Feb - Mon, 23 Feb
SEA
Seattle
STL
St. Louis
S$229 Return, found 2 days ago
S$229
Return
found 2 days ago
Select Delta flight, departing Fri, 20 Feb from Seattle to St. Louis, returning Mon, 23 Feb, priced at S$229 found 2 days ago
American Airlines
Fri, 20 Feb - Mon, 23 Feb
SEA
Seattle
STL
St. Louis
S$344 Return, found 2 days ago
S$344
Return
found 2 days ago
Select American Airlines flight, departing Fri, 20 Feb from Seattle to St. Louis, returning Mon, 23 Feb, priced at S$344 found 2 days ago
American Airlines
Fri, 20 Feb - Mon, 23 Feb
SEA
Seattle
STL
St. Louis
S$448 Return, found 2 days ago
S$448
Return
found 2 days ago
Select American Airlines flight, departing Fri, 20 Feb from Seattle to St. Louis, returning Mon, 23 Feb, priced at S$448 found 2 days ago
United
Fri, 20 Feb - Mon, 23 Feb
SEA
Seattle
STL
St. Louis
S$491 Return, found 2 days ago
S$491
Return
found 2 days ago
Select United flight, departing Fri, 20 Feb from Seattle to St. Louis, returning Mon, 23 Feb, priced at S$491 found 2 days ago
United
Mon, 23 Feb - Wed, 25 Feb
LAX
Los Angeles
STL
St. Louis
S$530 Return, found 1 day ago
S$530
Return
found 1 day ago
Select United flight, departing Mon, 23 Feb from Los Angeles to St. Louis, returning Wed, 25 Feb, priced at S$530 found 1 day ago
China Airlines
Tue, 27 Jan - Tue, 3 Feb
SIN
Singapore
STL
St. Louis
S$1,292 Return, found 4 days ago
S$1,292
Return
found 4 days ago
Select China Airlines flight, departing Tue, 27 Jan from Singapore to St. Louis, returning Tue, 3 Feb, priced at S$1,292 found 4 days ago
Qatar Airways
Wed, 22 Apr - Tue, 28 Apr
SIN
Singapore
STL
St. Louis
S$1,558 Return, found 1 day ago
S$1,558
Return
found 1 day ago
Select Qatar Airways flight, departing Wed, 22 Apr from Singapore to St. Louis, returning Tue, 28 Apr, priced at S$1,558 found 1 day ago
Cathay Pacific
Wed, 11 Feb - Wed, 18 Feb
TFU
Chengdu
STL
St. Louis
S$1,588 Return, found 1 day ago
S$1,588
Return
found 1 day ago
Select Cathay Pacific flight, departing Wed, 11 Feb from Chengdu to St. Louis, returning Wed, 18 Feb, priced at S$1,588 found 1 day ago
Cathay Pacific
Wed, 11 Feb - Wed, 18 Feb
TFU
Chengdu
STL
St. Louis
S$1,621 Return, found 1 day ago
S$1,621
Return
found 1 day ago
Select Cathay Pacific flight, departing Wed, 11 Feb from Chengdu to St. Louis, returning Wed, 18 Feb, priced at S$1,621 found 1 day ago
Japan Airlines
Tue, 21 Apr - Wed, 29 Apr
SIN
Singapore
STL
St. Louis
S$1,707 Return, found 3 days ago
S$1,707
Return
found 3 days ago
Select Japan Airlines flight, departing Tue, 21 Apr from Singapore to St. Louis, returning Wed, 29 Apr, priced at S$1,707 found 3 days ago
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.

St. Louis County Flights Information

Airlines serving
Delta, American Airlines, United, China Airlines, Qatar Airways, Cathay Pacific, Air Canada, Lufthansa, Japan Airlines
Roundtrip price
from S$229

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$229 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$229 and S$1,707. Many lucky holiday makers nabbed one-way flights from Seattle (SEA) for as low as S$115.
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$229 and S$1,707. 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.

China Airlines
Tue, 27 Jan - Tue, 3 Feb
SIN
Singapore
STL
St. Louis
S$1,292 Return, found 4 days ago
S$1,292
Return
found 4 days ago
Select China Airlines flight, departing Tue, 27 Jan from Singapore to St. Louis, returning Tue, 3 Feb, priced at S$1,292 found 4 days ago
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