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Pueblo

$29+ 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
STL — COS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Pueblo are usually found in October or January, booked 75 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 December 18, 2025.

This CheapOair deal was found by Cheapflights users on 12/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:43 pmSTL - DEN
Nonstop2h 32mFrontier
Mon 1/511:59 pmDEN - STL
1 stop21h 34mFrontier
Deal found 12/16$207
This Expedia deal was found by Cheapflights users on 12/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:10 pmSTL - DEN
1 stop6h 48mFrontier
Thu 1/2210:29 pmDEN - STL
1 stop12h 39mFrontier
Deal found 12/17$213
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Mon 12/2210:10 pmSTL - DEN
1 stop6h 48mMultiple Airlines
Thu 1/229:41 amDEN - STL
2 stops12h 52mMultiple Airlines
Deal found 12/17$253
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Wed 12/317:43 pmSTL - DEN
Nonstop2h 32mFrontier
Sun 1/411:59 pmDEN - STL
1 stop7h 13mFrontier
Deal found 12/16$258
This Super.com deal was found by Cheapflights users on 12/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:10 pmSTL - DEN
1 stop6h 48mFrontier
Sun 12/286:34 pmDEN - STL
1 stop25h 51mFrontier
Deal found 12/15$259
This Cheapflightsfares deal was found by Cheapflights users on 12/16. 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.
Sat 12/2010:10 pmSTL - DEN
1 stop6h 48mFrontier
Thu 12/2511:59 pmDEN - STL
1 stop7h 13mFrontier
Deal found 12/16$263
This Frontier deal was found by Cheapflights users on 12/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:10 pmSTL - DEN
1 stop11h 54mFrontier
Mon 12/226:15 amDEN - STL
1 stop12h 52mFrontier
Deal found 12/16$264
This Frontier deal was found by Cheapflights users on 12/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:10 pmSTL - DEN
1 stop11h 54mFrontier
Sun 1/411:59 pmDEN - STL
1 stop7h 13mFrontier
Deal found 12/17$268
This Frontier deal was found by Cheapflights users on 12/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:10 pmSTL - DEN
1 stop11h 54mFrontier
Sat 1/36:50 amDEN - STL
Nonstop2h 12mFrontier
Deal found 12/16$271
This Booking.com deal was found by Cheapflights users on 12/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:10 pmSTL - DEN
1 stop6h 48mFrontier
Tue 12/236:21 pmDEN - STL
1 stop21h 03mFrontier
Deal found 12/16$272

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$79
(Super.com)

One-way from

$29
(Expedia)

Popular in

March

Cheapest in

October

Average price

$229
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. 9% potential increase in price ($25 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 December 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 December 18, 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

Sat 1/10

7:43 pm-9:15 pm

Nonstop2h 32m

Denver Intl

Sat 1/17

9:23 pm-12:40 pm

1 stop14h 17m

$129

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 1/10

7:43 pm-9:15 pm

Nonstop2h 32m

Denver Intl

Fri 1/16

12:05 am-10:34 pm

2 stops21h 29m

$142

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 1/10

4:15 pm-5:53 pm

Nonstop2h 38m

Denver Intl

Sat 1/17

10:10 am-1:16 pm

Nonstop2h 06m

$177

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 1/17

4:15 pm-5:53 pm

Nonstop2h 38m

Denver Intl

Sat 1/24

10:10 am-1:16 pm

Nonstop2h 06m

$227

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Wed 3/4

6:00 pm-7:34 pm

Nonstop2h 34m

Denver Intl

Sun 3/8

5:50 pm-8:55 pm

Nonstop2h 05m

$242

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 1/10

7:40 am-1:15 pm

2 stops6h 35m

Denver Intl

Sat 1/17

12:25 pm-4:55 pm

1 stop3h 30m

$290

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Wed 3/4

10:15 am-3:30 pm

2 stops6h 15m

Denver Intl

Sun 3/8

7:35 am-2:50 pm

1 stop6h 15m

$307

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Thu 2/12

5:35 am-7:10 am

Nonstop2h 35m

Denver Intl

Tue 2/17

6:35 pm-9:40 pm

Nonstop2h 05m

$310

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Thu 1/8

2:45 pm-4:24 pm

Nonstop2h 39m

Denver Intl

Sun 1/11

10:10 am-1:16 pm

Nonstop2h 06m

$320

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Tue 5/5

8:35 am-9:55 am

Nonstop2h 20m

Denver Intl

Fri 5/8

12:50 pm-3:50 pm

Nonstop2h 00m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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 December 12, 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 $155). Flying from St. Louis to Pueblo in December is currently the most expensive (average of $327). 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 December 18, 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.

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 December 18, 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
7.9
Good
4,250 reviews

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

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
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

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
Delta
7.9
Good
8,005 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

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
United Airlines
7.4
Good
9,091 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

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
American Airlines
7.2
Good
11,054 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

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
Frontier
5.8
Fair
3,081 reviews
Southwest
7.9
Good
4,250 reviews

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

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 5 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 32m. The time it takes to get you to your destination is usually consistent. St. Louis and Pueblo are separated by a distance of 767 mi. All flights are typically nonstop.

  • 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 ($30), 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 December is currently the most expensive (average of $327). 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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Alternative routes for St. Louis to Pueblo

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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$236Average$338FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$276Average$433FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$281Average$368FlexibilityNo cancel feeOn-time63%
DeltaCheapest$281Average$342FlexibilityNo cancel feeOn-timeN/A

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