Pueblo

$64+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — COS
Mar 15 — Mar 221
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Cheapflights Tip: The best prices from Lambert-St Louis to Pueblo are usually found in October or September, booked 71 days in advance, depart on a Wednesday or Friday and return on a Friday

Cheap 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 February 13, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
Wed 3/258:12 pm
STL
-
DEN
Nonstop2h 37m
Frontier
Mon 3/306:35 am
DEN
-
STL
Nonstop2h 14m
Frontier
Deal found 2/12$76
This Cheapflightsfares deal was found by Cheapflights users on 2/11. 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 3/78:12 pm
STL
-
DEN
Nonstop2h 37m
Frontier
Wed 3/116:35 am
DEN
-
STL
Nonstop2h 14m
Frontier
Deal found 2/11$77
This Super.com deal was found by Cheapflights users on 2/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/168:12 pm
STL
-
DEN
Nonstop2h 37m
Frontier
Mon 3/236:35 am
DEN
-
STL
Nonstop2h 14m
Frontier
Deal found 2/9$85
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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.
Fri 5/18:12 pm
STL
-
DEN
Nonstop2h 33m
Frontier
Mon 5/44:00 pm
DEN
-
STL
Nonstop2h 12m
Frontier
Deal found 2/10$87
This Frontier deal was found by Cheapflights users on 2/9. 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 4/248:12 pm
STL
-
DEN
Nonstop2h 33m
Frontier
Sun 4/264:00 pm
DEN
-
STL
Nonstop2h 12m
Frontier
Deal found 2/9$88
This Trip.com deal was found by Cheapflights users on 2/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:12 pm
STL
-
DEN
Nonstop2h 33m
Frontier
Sun 4/264:00 pm
DEN
-
STL
Nonstop2h 12m
Frontier
Deal found 2/10$90
This Super.com deal was found by Cheapflights users on 2/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:12 pm
STL
-
DEN
Nonstop2h 33m
Frontier
Sun 5/34:00 pm
DEN
-
STL
Nonstop2h 12m
Frontier
Deal found 2/12$91
This Frontier deal was found by Cheapflights users on 2/11. 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 2/282:51 pm
STL
-
DEN
Nonstop2h 27m
Frontier
Wed 3/412:48 pm
DEN
-
STL
Nonstop2h 05m
Frontier
Deal found 2/11$92
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Wed 3/118:12 pm
STL
-
DEN
Nonstop2h 37m
Frontier
Wed 3/186:35 am
DEN
-
STL
Nonstop2h 14m
Frontier
Deal found 2/9$95

Find 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 February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$76
(Kiwi.com)

One-way from

$64
(Super.com)

Popular in

June

Cheapest in

October

Average price

$236
Provider with most accurate pricing for Lambert-St Louis-Denver Intl flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Denver Intl flights.
From Lambert-St Louis to Pueblo
One-way flight from Lambert-St Louis to Pueblo
Highest demand for flights based on searches. 15% potential increase in price ($42 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 13, 2026.
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

Fri 4/10

8:41 am-11:09 pm

1 stop15h 28m

Denver Intl

Fri 4/17

4:00 pm-7:12 pm

Nonstop2h 12m

$124

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 3/14

8:12 pm-9:49 pm

Nonstop2h 37m

Denver Intl

Wed 3/18

6:35 am-9:49 am

Nonstop2h 14m

$126

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Fri 3/13

8:12 pm-9:49 pm

Nonstop2h 37m

Denver Intl

Mon 3/16

6:35 am-9:49 am

Nonstop2h 14m

$145

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Tue 4/28

4:55 pm-2:32 pm

1 stop22h 37m

Denver Intl

Fri 5/1

4:00 pm-7:12 pm

Nonstop2h 12m

$156

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 4/18

2:40 pm-4:14 pm

Nonstop2h 34m

Denver Intl

Sat 4/25

5:45 pm-8:54 pm

Nonstop2h 09m

$157

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Mon 3/9

8:12 pm-9:49 pm

Nonstop2h 37m

Denver Intl

Fri 3/13

6:35 am-9:49 am

Nonstop2h 14m

$158

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 4/18

8:54 am-10:27 am

Nonstop2h 33m

Denver Intl

Wed 4/22

1:48 pm-4:56 pm

Nonstop2h 08m

$168

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Wed 4/29

8:54 am-10:27 am

Nonstop2h 33m

Denver Intl

Wed 4/29

5:45 pm-8:54 pm

Nonstop2h 09m

$179

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Wed 3/18

5:55 pm-7:30 pm

Nonstop2h 35m

Denver Intl

Wed 3/25

8:20 pm-11:34 pm

Nonstop2h 14m

$179

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Tue 5/5

7:45 am-12:45 pm

1 stop6h 00m

Denver Intl

Tue 5/12

5:34 pm-8:43 pm

Nonstop2h 09m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 21 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 February 6, 2026.

The best time to book flights from St. Louis to Pueblo is 71 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 $155). 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.

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 February 13, 2026.
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.

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Overall

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 6 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 and United Airlines fly from St. Louis to Pueblo in about 2h 34m. The time it takes to get you to your destination can typically vary by up to 12h 54m. St. Louis and Pueblo are separated by a distance of 767 mi. This flight may include one or multiple stops.

  • 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 ($37), Southwest ($78), and United Airlines ($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 $155). 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

Browse thousands of different options on Cheapflights for your next trip

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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 February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$254Average$338FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$266Average$432FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$281Average$366FlexibilityNo cancel feeOn-time63%
DeltaCheapest$281Average$340FlexibilityNo cancel feeOn-timeN/A

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