St. Louis

$48+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LGA
Dec 3 — Dec 101
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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 November 3, 2025.

Cheapest one-way flight

$44

Cheapest round-trip flight

$87

Cheapest airline

Delta

Most popular destination

Denver Intl (DEN)

Good round-trip deal

$158 or less

Good one-way deal

$64 or less
The cheapest one-way flight from Lambert-St Louis is currently to Denver Intl.
The cheapest round-trip flight from Lambert-St Louis is currently to Denver Intl.
On average, Delta currently has the cheapest one-way flight from Lambert-St Louis (avg. price of $224).
Denver Intl (DEN) is currently the most popular flight destination from Lambert-St Louis (average round-trip price of $180).
Price to beat on a round-trip flight from Lambert-St Louis.
Price to beat on a one-way flight from Lambert-St Louis.

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 November 3, 2025.

This Frontier deal was found by Cheapflights users on 10/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/77:43 pmSTL - DEN
Nonstop2h 32mFrontier
Wed 1/712:59 amDEN - STL
1 stop7h 48mFrontier
Deal found 10/31$79
This Frontier deal was found by Cheapflights users on 11/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:43 pmSTL - DEN
Nonstop2h 32mFrontier
Mon 12/811:59 pmDEN - STL
1 stop21h 34mFrontier
Deal found 11/2$84
This Priceline deal was found by Cheapflights users on 11/2. 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.
Fri 1/97:43 pmSTL - DEN
Nonstop2h 32mFrontier
Mon 1/126:50 amDEN - STL
Nonstop2h 12mFrontier
Deal found 11/2$91
This CheapOair deal was found by Cheapflights users on 11/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:43 pmSTL - DEN
Nonstop2h 32mFrontier
Wed 12/107:05 amDEN - STL
Nonstop2h 09mFrontier
Deal found 11/2$93
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Sat 12/67:43 pmSTL - DEN
Nonstop2h 32mFrontier
Sun 12/711:59 pmDEN - STL
1 stop8h 00mFrontier
Deal found 11/1$97
This CheapOair deal was found by Cheapflights users on 11/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/238:36 pmSTL - DEN
1 stop13h 02mFrontier
Mon 1/266:50 amDEN - STL
Nonstop2h 12mFrontier
Deal found 11/1$98
This CheapOair deal was found by Cheapflights users on 11/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:43 pmSTL - DEN
Nonstop2h 32mFrontier
Sat 12/611:59 pmDEN - STL
1 stop21h 34mFrontier
Deal found 11/1$102
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sat 1/107:43 pmSTL - DEN
Nonstop2h 32mFrontier
Sat 1/176:50 amDEN - STL
Nonstop2h 14mFrontier
Deal found 11/2$107
This Frontier deal was found by Cheapflights users on 11/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:43 pmSTL - DEN
Nonstop2h 32mFrontier
Wed 1/76:50 amDEN - STL
Nonstop2h 12mFrontier
Deal found 11/2$108
This Frontier deal was found by Cheapflights users on 10/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/37:43 pmSTL - DEN
Nonstop2h 32mFrontier
Wed 1/76:50 amDEN - STL
Nonstop2h 12mFrontier
Deal found 10/31$109
This CheapOair deal was found by Cheapflights users on 11/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:43 pmSTL - DFW
1 stop15h 24mFrontier
Sat 12/1310:38 pmDFW - STL
1 stop13h 34mFrontier
Deal found 11/3$110
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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.
Wed 12/103:30 pmSTL - DEN
1 stop8h 34mFrontier
Sat 12/137:33 amDEN - STL
1 stop27h 39mFrontier
Deal found 11/2$110

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 November 3, 2025. In the last 7 days, Cheapflights users made a total of 2,558,603 searches

Fly to

LaGuardia

Route

Depart

Return

Price

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Wed 1/7

7:43 pm-9:15 pm

Nonstop2h 32m

Denver Intl

Wed 1/7

12:59 am-9:47 am

1 stop7h 48m

$79

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 12/6

7:43 pm-9:15 pm

Nonstop2h 32m

Denver Intl

Wed 12/10

6:30 am-12:12 pm

1 stop28h 42m

$84

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Sat 11/15

4:33 pm-7:32 am

1 stop14h 59m

Dallas/Fort Worth

Mon 11/17

10:26 pm-9:07 am

1 stop10h 41m

$150

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 12/6

7:43 pm-9:15 pm

Nonstop2h 32m

Denver Intl

Wed 12/10

8:00 am-10:33 pm

3 stops13h 33m

$171

St. LouisOrlando

STL - MCO

STLMCO

Lambert-St Louis

Sun 2/15

6:40 pm-10:00 pm

Nonstop2h 20m

Orlando

Wed 2/18

12:55 pm-7:00 pm

1 stop7h 05m

$172

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Thu 1/1

6:05 am-1:43 pm

1 stop7h 38m

Dallas/Fort Worth

Thu 1/1

6:12 pm-11:38 pm

1 stop5h 26m

$177

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Tue 12/2

5:34 pm-11:07 pm

1 stop5h 33m

Dallas/Fort Worth

Tue 12/9

6:25 pm-11:29 pm

1 stop5h 04m

$177

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Wed 12/10

9:00 am-3:39 pm

1 stop7h 39m

Denver Intl

Fri 12/12

12:50 am-10:24 am

1 stop8h 34m

$177

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Mon 12/1

7:03 pm-9:07 pm

Nonstop2h 04m

Dallas/Fort Worth

Mon 12/8

6:05 am-10:33 pm

2 stops16h 28m

$189

St. LouisDallas

STL - DFW

STLDFW

Lambert-St Louis

Fri 12/5

5:14 am-7:23 am

Nonstop2h 09m

Dallas/Fort Worth

Mon 12/8

10:45 am-12:32 pm

Nonstop1h 47m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 60 results
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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 November
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: Among all the travel providers offering deals on flights from St. Louis, eDreams has been found to have the most accurate pricing. Users can find the same prices on deals on Cheapflights as eDreams 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.
  • Most trusted provider: In terms of trustworthiness, Cheapflights users rate eDreams the highest out of those offering flight deals from St. Louis. eDreams 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.

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 LaGuardia. Price data was last updated on October 31, 2025.

To ensure you get the cheapest price possible for a flight from St. Louis, you should look to book at least 56 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, January is the cheapest month in which you can book a flight from St. Louis (average of $132). Flying from St. Louis in December will prove the most costly (average of $250). 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 LaGuardia. Price data was last updated on October 26, 2025.

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

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 November 3, 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 American Airlines from St. Louis. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

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

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

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

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

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

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

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

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

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

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Food

7.0

Entertainment

7.5

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.

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 November 3, 2025.
  • What are the most popular destinations to fly to from St. Louis?

    This month, the top selected destinations from St. Louis are Denver, Cancún, Atlanta. 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 $44 to Denver (prices may vary depending on the airline and departure time). On average, users have booked flights for $537 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 Nashville Intl ($49), and Frontier flights from St. Louis to Atlanta Hartsfield-Jackson ($50).

  • 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 $594
    Fly from Lambert-St Louis to Salt Lake City starting at $623
    Fly from Lambert-St Louis to Detroit Metropolitan Wayne County Airport starting at $853

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

    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.

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

    January is currently the cheapest month to fly from St. Louis. At this moment in time December 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 Las Vegas from $88 round trip
    Fly from St. Louis to Chicago from $97 round trip
    Fly from St. Louis to Fort Lauderdale from $98 round trip
    Fly from St. Louis to Denver from $115 round trip
    Fly from St. Louis to Orlando from $115 round trip

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