Question 1

What are the most popular destinations to fly to from St. Louis?

Accepted Answer

This month, the top selected destinations from St. Louis are Denver, Dublin, Boston. Throughout the year, Denver, Cancún, Atlanta are some of the top choices made by users flying from St. Louis.

Question 2

When is the best time to book a flight from St. Louis?

Accepted Answer

To ensure you get the cheapest price possible for a flight from St. Louis, you should look to book at least 44 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Question 3

What is the cheapest month to book a flight from St. Louis?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from St. Louis (average of $250). Flying from St. Louis in June will prove the most costly (average of $390). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Question 4

When is the cheapest time to fly from St. Louis?

Accepted Answer

Those who are seeking the cheapest fare on flights departing from St. Louis would be wise to consider leaving during Monday evenings when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Thursday mornings when fares are usually the most expensive.

Question 5

Which airlines fly from St. Louis?

Accepted Answer

For flights departing from St. Louis check dates and pricing for the following: Frontier, Southwest, United Airlines, American Airlines, Delta. These airlines depart to the following popular destinations: Las Vegas.

Question 6

What are popular destinations to fly to from St. Louis?

Accepted Answer

Some of the most frequent flights departing from St. Louis everyday are: Chicago (823 flights per day), Dallas (256 flights per day), and New York (191 flights per day).

Question 7

What is the cheapest place to fly to from St. Louis?

Accepted Answer

The cheapest city to fly to from St. Louis is Atlanta Hartsfield-Jackson, with prices starting at $57. Explore other affordable destinations below.

Question 8

What is the cheapest flight from St. Louis to anywhere?

Accepted Answer

Users have flown out of St. Louis for as low as $57 to Atlanta (prices may vary depending on the airline and departure time). On average, users have booked flights for $826 to fly from St. Louis.

Question 9

What are the cheapest airlines flying from St. Louis to anywhere?

Accepted Answer

Over the past few days, we've found that Frontier, Southwest, and Delta have the cheapest prices from St. Louis. Frontier flights from St. Louis to Atlanta Hartsfield-Jackson ($46), Southwest flights from St. Louis to Albuquerque ($77), and Delta flights from St. Louis to Allentown-Bethlehem ($93).

Question 10

What is the cheapest premium economy flight from St. Louis?

Accepted Answer

Options for some of the cheapest premium economy flights from St. Louis we have found on Cheapflights are as follows:
Fly from Lambert-St Louis to Las Vegas starting at $484
Fly from Lambert-St Louis to New York LaGuardia Airport starting at $533
Fly from Lambert-St Louis to Cancún starting at $590
Fly from Lambert-St Louis to Orlando Airport starting at $603

Question 11

What is the cheapest first class flight from St. Louis?

Accepted Answer

If you’re looking for a cheap first-class flight from St. Louis, consider Orlando. Prices start at $220 so you can fly first-class even on a budget.

Question 12

What is the cheapest month to fly from St. Louis?

Accepted Answer

January is currently the cheapest month to fly from St. Louis. At this moment in time June is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

Question 13

Where are the cheapest places to fly to from St. Louis?

Accepted Answer

Check out the cheapest flights from St. Louis to embark to:
Fly from St. Louis to Atlanta from $77 round trip
Fly from St. Louis to Orlando from $88 round trip
Fly from St. Louis to Nashville from $167 round trip
Fly from St. Louis to Denver from $173 round trip
Fly from St. Louis to Minneapolis from $177 round trip

Question 14

E

Accepted Answer

Most accurate provider: Among all the travel providers offering deals on flights from St. Louis, FlightHub has been found to have the most accurate pricing. Users can find the same prices on deals on Cheapflights as FlightHub about >95% of the time. This is based on searches for flights from St. Louis made on Cheapflights over the past month and is updated monthly.

Question 15

E

Accepted Answer

Most trusted provider: In terms of trustworthiness, Cheapflights users rate FlightHub the highest out of those offering flight deals from St. Louis. FlightHub has a user feedback rating of 3 out of 3 stars (3 being the best) and has received the most positive sentiment from Cheapflights users searching for flights from St. Louis. This info is gathered from Cheapflights searches over the past month.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*1 star
Cheapflightsfares	Price Accuracy2 stars	Trust Score*1 star
eDreams	Price Accuracy2 stars	Trust Score*3 stars
Super.com	Price Accuracy-	Trust Score*3 stars
Kiwi.com	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star
Mytrip	Price Accuracy2 stars	Trust Score*3 stars

$51+ Cheap flights from St. Louis

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find flights from St. Louis within your budget

Compare providers for flights from St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis in September

Best time to book a flight from St. Louis

Have a flexible travel schedule? Discover the best time to fly from St. Louis with our price prediction graph.

Travel insights for flights from St. Louis

What is the cheapest month to book a flight from St. Louis?

Which airlines fly from St. Louis?

For flights departing from St. Louis check dates and pricing for the following: Frontier, Southwest, United Airlines, American Airlines, Delta. These airlines depart to the following popular destinations: Las Vegas.

What are popular destinations to fly to from St. Louis?

Some of the most frequent flights departing from St. Louis everyday are: Chicago (823 flights per day), Dallas (256 flights per day), and New York (191 flights per day).

What is the cheapest place to fly to from St. Louis?

The cheapest city to fly to from St. Louis is Atlanta Hartsfield-Jackson, with prices starting at $57. Explore other affordable destinations below.

When is the best time to book a flight from St. Louis?

To ensure you get the cheapest price possible for a flight from St. Louis, you should look to book at least 44 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

When is the cheapest time to fly from St. Louis?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Las Vegas. Price data was last updated on September 12, 2026.

Airline reviews for flights from St. Louis

Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from St. Louis. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Browse thousands of different options on Cheapflights for your next trip

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Popular international destinations from St. Louis

The most popular international flight routes departing from St. Louis we’ve come across at this time.

Airports servicing St. Louis

Fly out of one of these airports located in St. Louis.

Fly from other United States cities

Consider departing from one of these cities also located in United States. Flight origins are based on user searches made on Cheapflights and were last updated on September 14, 2026.

Popular Round-Trip Flight Destinations

Consider these popular destinations that Cheapflights users have chosen when departing from St. Louis. Routes are based on user searches and were last updated on September 14, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

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