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Pueblo

$42+ Cheap flights from St. Louis (STL) to Pueblo, CO

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 12/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — COS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Pueblo are usually found in November or October, booked 75 days in advance, depart on a Wednesday or Friday and return on a Friday

Find flight deals from St. Louis to Pueblo

Cheapest flights from St. Louis to Pueblo
Explore the most affordable flight options available from St. Louis to Pueblo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/137:43 pmSTL - DEN
Nonstop2h 32mFrontier
Sat 12/206:50 amDEN - STL
Nonstop2h 12mFrontier
Deal found 10/28$70
This Frontier deal was found by Cheapflights users on 10/30. 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.
Mon 12/812:07 pmSTL - DEN
1 stop13h 13mFrontier
Sat 12/137:05 amDEN - STL
Nonstop2h 09mFrontier
Deal found 10/30$82
This Flightnetwork deal was found by Cheapflights users on 10/29. 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 Flightnetwork 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 10/29$83
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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.
Sat 11/154:51 pmSTL - DEN
1 stop12h 08mFrontier
Tue 11/186:00 amDEN - STL
Nonstop2h 07mFrontier
Deal found 10/30$86
This Frontier deal was found by Cheapflights users on 10/29. 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 12/137:43 pmSTL - DEN
Nonstop2h 32mFrontier
Sat 1/36:50 amDEN - STL
Nonstop2h 12mFrontier
Deal found 10/29$87
This Frontier deal was found by Cheapflights users on 10/30. 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.
Mon 12/87:43 pmSTL - DEN
Nonstop2h 32mFrontier
Wed 12/107:05 amDEN - STL
Nonstop2h 09mFrontier
Deal found 10/30$88
This Frontier deal was found by Cheapflights users on 10/30. 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 12/137:43 pmSTL - DEN
Nonstop2h 32mFrontier
Sat 12/1312:59 amDEN - STL
1 stop7h 48mFrontier
Deal found 10/30$91
This Priceline deal was found by Cheapflights users on 10/29. 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.
Tue 11/187:45 pmSTL - DEN
Nonstop2h 28mFrontier
Wed 11/196:00 amDEN - STL
Nonstop2h 07mFrontier
Deal found 10/29$92
This Frontier deal was found by Cheapflights users on 10/30. 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.
Fri 12/1212:07 pmSTL - DEN
1 stop13h 13mFrontier
Sat 12/137:05 amDEN - STL
Nonstop2h 09mFrontier
Deal found 10/30$96
This Frontier deal was found by Cheapflights users on 10/29. 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 12/137:43 pmSTL - DEN
Nonstop2h 32mFrontier
Fri 1/26:50 amDEN - STL
Nonstop2h 12mFrontier
Deal found 10/29$97
This CheapOair deal was found by Cheapflights users on 10/30. 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 12/107:43 pmSTL - DEN
Nonstop2h 32mFrontier
Sat 12/137:33 amDEN - STL
1 stop27h 39mFrontier
Deal found 10/30$99
This Frontier deal was found by Cheapflights users on 10/28. 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.
Tue 12/93:30 pmSTL - DEN
1 stop8h 34mFrontier
Sat 12/137:05 amDEN - STL
Nonstop2h 09mFrontier
Deal found 10/28$102

Cheap flight deals from St. Louis to Pueblo

Keep the following information in mind while searching for St. Louis to Pueblo flight deals. Data was last updated October 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$70
(Mytrip)

One-way from

$42
(Priceline)

Popular in

March

Cheapest in

November

Average price

$175
Provider with most accurate pricing for Lambert-St Louis-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Denver Intl flights.
Search Deals
From Lambert-St Louis to Pueblo
Search Deals
One-way flight from Lambert-St Louis to Pueblo
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($27 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Pueblo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from St. Louis to Pueblo that are best for you.

Fly from

St. Louis

Fly to

Pueblo

Route

Depart

Return

Price

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Wed 12/10

3:30 pm-11:04 pm

1 stop8h 34m

Denver Intl

Sat 12/13

7:05 am-10:14 am

Nonstop2h 09m

$82

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Thu 11/13

7:45 pm-9:13 pm

Nonstop2h 28m

Denver Intl

Mon 11/17

11:03 am-8:12 pm

1 stop8h 09m

$125

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Wed 1/21

5:11 pm-7:45 am

2 stops15h 34m

Denver Intl

Fri 1/23

6:50 am-10:02 am

Nonstop2h 12m

$140

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Thu 12/11

12:04 pm-9:38 pm

1 stop10h 34m

Denver Intl

Sun 12/14

10:44 pm-11:22 am

1 stop11h 38m

$144

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Wed 3/4

7:43 pm-9:15 pm

Nonstop2h 32m

Denver Intl

Mon 3/9

6:50 am-10:02 am

Nonstop2h 12m

$146

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Wed 2/18

5:44 pm-9:04 am

1 stop16h 20m

Denver Intl

Sun 2/22

1:00 pm-4:49 pm

1 stop26h 49m

$154

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Fri 11/14

11:05 am-11:16 pm

1 stop13h 11m

Denver Intl

Sun 11/16

12:16 am-1:17 pm

1 stop12h 01m

$171

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Wed 12/10

9:00 am-12:53 pm

1 stop4h 53m

Denver Intl

Fri 12/12

12:50 am-10:24 am

1 stop8h 34m

$177

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Wed 1/21

5:00 pm-10:36 pm

1 stop6h 36m

Denver Intl

Thu 1/22

12:30 am-8:53 am

1 stop7h 23m

$182

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Thu 11/13

11:07 am-10:29 pm

2 stops12h 22m

Denver Intl

Tue 11/18

6:00 am-9:07 am

Nonstop2h 07m

$185

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 22 results
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Best time to book a flight from St. Louis to Pueblo

Have a flexible travel schedule? Discover the best time to fly to Pueblo 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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Pueblo

How far ahead should I book a flight from St. Louis to Pueblo?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Pueblo. Price data was last updated on October 24, 2025.

The best time to book flights from St. Louis to Pueblo is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, October is the cheapest month in which you can book a flight from St. Louis to Pueblo (average of $156). Flying from St. Louis to Pueblo in July is currently the most expensive (average of $325). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to PU5?

Find hourly flight availability from St. Louis to Pueblo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

One of the essential ways to save on airfare from St. Louis to Pueblo is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 32% on airfare.

How much does it cost to fly round-trip from St. Louis to Pueblo?

Reviews of airlines servicing Pueblo

Get insights into the airlines that provide service to Pueblo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pueblo. Reviews last updated October 30, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from St. Louis to Pueblo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Delta
7.9
Good
7,998 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
United Airlines
7.4
Good
8,998 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
American Airlines
7.2
Good
11,035 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Frontier
5.8
Fair
3,122 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Pueblo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Pueblo?

    If you book a flight to Pueblo from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis. There are 4 flights from Lambert-St Louis to Pueblo per day from 4 different airlines.

  • How long is the flight from St. Louis to Pueblo?

    Airlines like Frontier fly from St. Louis to Pueblo in about 8h 34m. The time it takes to get you to your destination can typically vary by up to . St. Louis and Pueblo are separated by a distance of 767 mi.

  • What are the cheapest airlines to fly from St. Louis to Pueblo one-way?

    The cheapest airlines for a one-way flight from St. Louis to Pueblo are Frontier ($59), United Airlines ($79), and Delta ($89).

  • Can I find deals for flights from St. Louis to Pueblo that include hotel bookings?

    Yes. In addition to deals on St. Louis to Pueblo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Pueblo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Pueblo.

  • Can I find deals for business class flights from St. Louis to Pueblo?

    Yes. Cheapflights offers flight deals from St. Louis to Pueblo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, October is the cheapest month in which you can book a flight from St. Louis to Pueblo (average of $156). Flying from St. Louis to Pueblo in July is currently the most expensive (average of $325). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for St. Louis to Pueblo

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from St. Louis to Pueblo

Discover the top 4 airlines that operate flights from St. Louis to Pueblo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$236Average$374FlexibilityNo cancel feeOn-time71%
DeltaCheapest$271Average$336FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$276Average$431FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$291Average$371FlexibilityNo cancel feeOn-time63%

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