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St. Louis

$36+ Cheap flights from St. Louis

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LAS
oct. 19 — oct. 261
dom. 10/19
dom. 10/26
1 adult, Economy
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What to know about flights from St. Louis

Discover essential information about flights departing from St. Louis, including flight schedules, destinations, airlines operating at the St. Louis airport, and any specific guidelines or requirements for travelers. Please note that the information is based on the most recent updates available. Data last updated septiembre 19, 2025.

Cheapest one-way flight

$37

Cheapest round-trip flight

$89

Cheapest airline

Delta

Most popular destination

Denver Intl (DEN)

Good round-trip deal

$78 or less

Good one-way deal

$93 or less
The cheapest one-way flight from Lambert-St Louis is currently to Orlando.
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The cheapest round-trip flight from Lambert-St Louis is currently to Fort Lauderdale.
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On average, Delta currently has the cheapest one-way flight from Lambert-St Louis (avg. price of $228).
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Denver Intl (DEN) is currently the most popular flight destination from Lambert-St Louis (average round-trip price of $169).
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Price to beat on a round-trip flight from Lambert-St Louis.
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Price to beat on a one-way flight from Lambert-St Louis.
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Find flights from St. Louis

Cheapest flights from St. Louis
Explore the most affordable flight options available from St. Louis. Find the lowest fares based on data from user searches, with prices last updated on septiembre 19, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/117:52 pmSTL - DEN
Nonstop2h 28mFrontier
lun. 10/136:00 amDEN - STL
Nonstop2h 07mFrontier
Deal found 9/16$81
This Cheapflightsfares deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/247:52 pmSTL - DEN
Nonstop2h 28mFrontier
lun. 10/276:00 amDEN - STL
Nonstop2h 07mFrontier
Deal found 9/17$82
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/77:52 pmSTL - DEN
Nonstop2h 28mFrontier
mié. 10/86:00 amDEN - STL
Nonstop2h 07mFrontier
Deal found 9/17$83
This Cheapflightsfares deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/307:55 pmSTL - DEN
Nonstop2h 25mFrontier
lun. 10/66:00 amDEN - STL
Nonstop2h 06mFrontier
Deal found 9/16$84
This Cheapflightsfares deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/37:45 pmSTL - DEN
Nonstop2h 28mFrontier
vie. 11/76:00 amDEN - STL
Nonstop2h 07mFrontier
Deal found 9/16$85
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/107:52 pmSTL - DEN
Nonstop2h 28mFrontier
lun. 10/276:00 amDEN - STL
Nonstop2h 07mFrontier
Deal found 9/15$86
This Booking.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/257:52 pmSTL - DEN
Nonstop2h 28mFrontier
mar. 10/286:00 amDEN - STL
Nonstop2h 07mFrontier
Deal found 9/17$87
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/247:52 pmSTL - DEN
Nonstop2h 28mFrontier
dom. 10/266:00 amDEN - STL
Nonstop2h 07mFrontier
Deal found 9/18$90
This Cheapflightsfares deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/17:55 pmSTL - DEN
Nonstop2h 25mFrontier
dom. 10/56:00 amDEN - STL
Nonstop2h 06mFrontier
Deal found 9/16$94
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/227:52 pmSTL - DEN
Nonstop2h 28mFrontier
mié. 10/296:00 amDEN - STL
Nonstop2h 07mFrontier
Deal found 9/18$96
This Priceline deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/47:55 pmSTL - DEN
Nonstop2h 25mFrontier
mié. 10/86:00 amDEN - STL
Nonstop2h 07mFrontier
Deal found 9/16$97
This Booking.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/231:41 pmSTL - DFW
1 stop19h 44mFrontier
dom. 10/267:30 amDFW - STL
Nonstop1h 52mFrontier
Deal found 9/15$108

Find flights from St. Louis within your budget

 
Find flights departing from St. Louis that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on septiembre 19, 2025. In the last 7 days, Cheapflights users made a total of 2,558,603 searches

Fly to

Las Vegas

Route

Depart

Return

Price

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

sáb. 10/25

7:52 pm-9:20 pm

Nonstop2h 28m

Denver Intl

dom. 11/2

6:36 pm-1:57 pm

1 stop18h 21m

$121

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

vie. 10/17

10:59 pm-9:46 am

1 stop10h 47m

Dallas/Fort Worth

dom. 10/19

7:30 am-9:22 am

Nonstop1h 52m

$156

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

vie. 10/10

6:05 pm-1:40 pm

1 stop19h 35m

Dallas/Fort Worth

lun. 10/13

5:14 am-9:07 am

1 stop27h 53m

$156

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

jue. 12/11

1:35 pm-3:05 pm

Nonstop2h 30m

Denver Intl

lun. 12/15

5:53 pm-8:57 pm

Nonstop2h 04m

$157

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

dom. 10/12

10:17 am-12:14 pm

Nonstop1h 57m

Dallas/Fort Worth

mar. 10/14

10:25 pm-9:07 am

1 stop10h 42m

$160

St. LouisOrlando

STL - MCO

STLMCO

Lambert-St Louis

vie. 10/17

6:05 pm-9:30 pm

Nonstop2h 25m

Orlando

dom. 10/19

6:06 am-10:02 am

1 stop4h 56m

$162

St. LouisOrlando

STL - MCO

STLMCO

Lambert-St Louis

vie. 10/24

7:52 pm-6:04 am

1 stop9h 12m

Orlando

lun. 10/27

8:59 pm-9:07 am

1 stop13h 08m

$162

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

mar. 12/2

5:35 am-7:00 am

Nonstop2h 25m

Denver Intl

jue. 12/4

3:50 pm-9:35 pm

1 stop4h 45m

$167

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

lun. 11/3

5:58 pm-8:05 pm

Nonstop2h 07m

Dallas/Fort Worth

mié. 11/5

10:45 am-12:37 pm

Nonstop1h 52m

$169

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

mar. 10/21

12:45 pm-5:00 pm

1 stop5h 15m

Denver Intl

sáb. 10/25

12:10 pm-5:10 pm

1 stop4h 00m

$172

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
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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.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from St. Louis

Get recent, data-driven insights about flights from St. Louis including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Las Vegas. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from St. Louis, you should look to book at least 75 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.

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

Currently, November is the cheapest month in which you can book a flight from St. Louis (average of $92). Flying from St. Louis in July will prove the most costly (average of $195). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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 14, 2025.

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 Saturday mornings when fares are usually the most expensive.

Which airlines fly from St. Louis?

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

American Airlines
American Airlines
From $97
Southwest
Southwest
From $91
United Airlines
United Airlines
From $114
Delta
Delta
From $94

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

Some of the most frequent flights departing from St. Louis everyday are: Chicago (883 flights per day), Atlanta (244 flights per day), and Dallas (193 flights per day).

Chicago
Chicago
From $58
Denver Intl
Denver Intl
From $70
Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From $71
Dallas/Fort Worth
Dallas/Fort Worth
From $77

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

The cheapest city to fly to from St. Louis is Orlando, with prices starting at $37. Explore other affordable destinations below.

Orlando
Orlando
From $37
Quincy Regional
Quincy Regional
From $39
Fort Lauderdale
Fort Lauderdale
From $55
Chicago
Chicago
From $58

Airline reviews for flights from St. Louis

Read reviews and ratings of airlines operating flights from St. Louis. Gain insights into the quality of service, in-flight amenities, customer experiences, and overall satisfaction to choose the best airline for your St. Louis travel. Please note that the reviews are sourced from user searches and were last updated on septiembre 19, 2025. In the last 7 days, Cheapflights users made a total of 2,558,603 searches.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from St. Louis. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,964 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,926 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,171 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.
Flights from St. Louis to Cancún
Flights from St. Louis to Punta Cana

Related info for your journey

Access useful and relevant information related to your journey from St. Louis. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated septiembre 19, 2025.

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

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

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

    Users have flown out of St. Louis for as low as $37 to Orlando Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for $541 to fly from St. Louis.

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

    Over the past few days, we've found that Spirit Airlines, Southern / Mokulele, and Frontier have the cheapest prices from St. Louis. Spirit Airlines flights from St. Louis to Boston Logan Intl ($41), Southern / Mokulele flights from St. Louis to Atlanta Hartsfield-Jackson ($52), and Frontier flights from St. Louis to Atlanta Hartsfield-Jackson ($53).

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

    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 Orlando Airport starting at $252
    Fly from Lambert-St Louis to New York LaGuardia Airport starting at $435
    Fly from Lambert-St Louis to Atlanta starting at $447
    Fly from Lambert-St Louis to Houston George Bush Intcntl Airport starting at $639

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

    If you’re looking for a cheap first-class flight from St. Louis, consider Las Vegas. Prices start at $418 so you can fly first-class even on a budget.

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

    November is currently the cheapest month to fly from St. Louis. At this moment in time July 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.

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

    Check out the cheapest flights from St. Louis to embark to:
    Fly from St. Louis to Fort Lauderdale from $97 round trip
    Fly from St. Louis to Chicago from $97 round trip
    Fly from St. Louis to Orlando from $116 round trip
    Fly from St. Louis to Denver from $116 round trip
    Fly from St. Louis to Atlanta from $127 round trip

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