$27+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — COS
May 6 — May 131
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Pueblo with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Lambert-St Louis to Pueblo are usually found in October or September, booked 56 days in advance, depart on a Wednesday or Friday and return on a Friday
Cheap flight deals from St. Louis to Pueblo
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to PuebloExplore 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 April 6, 2026.
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 April 6, 2026.
This Frontier deal was found by Cheapflights users on 4/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:08 pm
STL
- DEN
Nonstop2h 33m
Frontier
Thu 6/114:12 pm
DEN
- STL
Nonstop2h 11m
Frontier
Deal found 4/1![Frontier logo]()
$88
This Frontier deal was found by Cheapflights users on 4/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:08 pm
STL
- DEN
Nonstop2h 33m
Frontier
Sat 6/64:15 pm
DEN
- STL
Nonstop2h 08m
Frontier
Deal found 4/1![Frontier logo]()
$90
This Cheapflightsfares deal was found by Cheapflights users on 4/5. 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 4/188:17 pm
STL
- DEN
Nonstop2h 33m
Frontier
Sat 4/254:20 pm
DEN
- STL
Nonstop2h 12m
Frontier
Deal found 4/5![Frontier logo]()
$92
This Cheapflightsfares deal was found by Cheapflights users on 4/5. 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 4/258:17 pm
STL
- DEN
Nonstop2h 33m
Frontier
Tue 4/2811:59 pm
DEN
- STL
1 stop22h 20m
Frontier
Deal found 4/5![Frontier logo]()
$98
This Cheapflightsfares deal was found by Cheapflights users on 4/5. 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.
Tue 5/56:51 pm
STL
- DEN
1 stop9h 34m
Frontier
Sat 5/94:15 pm
DEN
- STL
Nonstop2h 08m
Frontier
Deal found 4/5![Frontier logo]()
$102
This Frontier deal was found by Cheapflights users on 4/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:17 pm
STL
- DEN
Nonstop2h 33m
Frontier
Mon 5/410:29 pm
DEN
- STL
1 stop18h 37m
Frontier
Deal found 4/3![Frontier logo]()
$103
This Expedia deal was found by Cheapflights users on 4/4. 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 5/48:17 pm
STL
- DEN
Nonstop2h 33m
Frontier
Thu 5/75:05 am
DEN
- STL
1 stop8h 43m
Frontier
Deal found 4/4![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 5/278:08 pm
STL
- DEN
Nonstop2h 33m
Frontier
Mon 6/14:15 pm
DEN
- STL
Nonstop2h 08m
Frontier
Deal found 4/4![Frontier logo]()
$107
This Cheapflightsfares deal was found by Cheapflights users on 4/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:17 pm
STL
- DEN
Nonstop2h 33m
Frontier
Sat 5/910:29 pm
DEN
- STL
1 stop11h 52m
Frontier
Deal found 4/1![Frontier logo]()
$109
This Expedia deal was found by Cheapflights users on 4/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:17 pm
STL
- DEN
Nonstop2h 33m
Frontier
Thu 5/75:05 am
DEN
- STL
1 stop8h 43m
Frontier
Deal found 4/1![Frontier logo]()
$110
Best flights from St. Louis to PuebloDiscover carefully curated flight deals from St. Louis to Pueblo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 6, 2026.
Discover carefully curated flight deals from St. Louis to Pueblo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 6, 2026.
This Southwest deal was found by Cheapflights users on 4/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/195:45 am
STL
- DEN
1 stop5h 25m
Southwest
Wed 5/208:20 am
DEN
- STL
Nonstop2h 05m
Southwest
Deal found 4/4![Southwest logo]()
$211
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/24:15 pm
STL
- DEN
Nonstop2h 34m
United Airlines
Sat 5/95:34 pm
DEN
- STL
Nonstop2h 09m
United Airlines
Deal found 3/31![United Airlines logo]()
$219
This Southwest deal was found by Cheapflights users on 4/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/119:40 pm
STL
- DEN
Nonstop2h 20m
Southwest
Mon 5/186:20 am
DEN
- STL
Nonstop2h 05m
Southwest
Deal found 4/4![Southwest logo]()
$221
This United Airlines deal was found by Cheapflights users on 4/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/302:35 pm
STL
- DEN
Nonstop2h 34m
United Airlines
Sat 5/211:20 am
DEN
- STL
Nonstop2h 08m
United Airlines
Deal found 4/3![United Airlines logo]()
$221
This Southwest deal was found by Cheapflights users on 3/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:50 pm
STL
- DEN
Nonstop2h 20m
Southwest
Sat 5/95:45 am
DEN
- STL
1 stop5h 00m
Southwest
Deal found 3/31![Southwest logo]()
$227
This United Airlines deal was found by Cheapflights users on 4/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:59 pm
STL
- DEN
Nonstop2h 34m
United Airlines
Mon 5/185:34 pm
DEN
- STL
Nonstop2h 09m
United Airlines
Deal found 4/3![United Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/94:15 pm
STL
- DEN
Nonstop2h 34m
United Airlines
Tue 5/125:34 pm
DEN
- STL
Nonstop2h 09m
United Airlines
Deal found 4/1![United Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/112:35 pm
STL
- DEN
Nonstop2h 34m
United Airlines
Sat 5/165:34 pm
DEN
- STL
Nonstop2h 09m
United Airlines
Deal found 4/1![United Airlines logo]()
$301
This Southwest deal was found by Cheapflights users on 4/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:15 am
STL
- DEN
Nonstop2h 20m
Southwest
Mon 4/278:40 pm
DEN
- STL
Nonstop2h 10m
Southwest
Deal found 4/2![Southwest logo]()
$354
This United Airlines deal was found by Cheapflights users on 4/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:54 am
STL
- DEN
Nonstop2h 33m
United Airlines
Wed 4/295:45 pm
DEN
- STL
Nonstop2h 09m
United Airlines
Deal found 4/3![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:59 pm
STL
- DEN
Nonstop2h 34m
United Airlines
Sun 5/175:34 pm
DEN
- STL
Nonstop2h 09m
United Airlines
Deal found 4/1![United Airlines logo]()
$357
Last-minute flights from St. Louis to PuebloDiscover last-minute flight deals from St. Louis to Pueblo. Data last updated April 6, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Pueblo. Data last updated April 6, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 4/5. 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 4/188:17 pm
STL
- DEN
Nonstop2h 33m
Frontier
Sat 4/254:20 pm
DEN
- STL
Nonstop2h 12m
Frontier
Deal found 4/5![Frontier logo]()
$92
This Cheapflightsfares deal was found by Cheapflights users on 4/5. 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 4/258:17 pm
STL
- DEN
Nonstop2h 33m
Frontier
Tue 4/2811:59 pm
DEN
- STL
1 stop22h 20m
Frontier
Deal found 4/5![Frontier logo]()
$98
This Frontier deal was found by Cheapflights users on 4/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:17 pm
STL
- DEN
Nonstop2h 33m
Frontier
Sat 5/211:59 pm
DEN
- STL
1 stop9h 32m
Frontier
Deal found 4/3![Frontier logo]()
$103
This Frontier deal was found by Cheapflights users on 4/5. 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 5/28:17 pm
STL
- DEN
Nonstop2h 33m
Frontier
Mon 5/410:29 pm
DEN
- STL
1 stop18h 37m
Frontier
Deal found 4/5![Frontier logo]()
$106
This Expedia deal was found by Cheapflights users on 4/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:17 pm
STL
- DEN
Nonstop2h 33m
Frontier
Thu 5/75:05 am
DEN
- STL
1 stop8h 43m
Frontier
Deal found 4/1![Frontier logo]()
$110
This Frontier deal was found by Cheapflights users on 4/2. 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 5/28:17 pm
STL
- DEN
Nonstop2h 33m
Frontier
Sat 5/910:29 pm
DEN
- STL
1 stop12h 12m
Frontier
Deal found 4/2![Frontier logo]()
$112
This Expedia deal was found by Cheapflights users on 4/4. 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 5/48:17 pm
STL
- DEN
Nonstop2h 33m
Frontier
Thu 5/75:05 am
DEN
- STL
1 stop8h 43m
Frontier
Deal found 4/4![Frontier logo]()
$105
This Cheapflightsfares deal was found by Cheapflights users on 4/5. 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.
Tue 5/56:51 pm
STL
- DEN
1 stop9h 34m
Frontier
Sat 5/94:15 pm
DEN
- STL
Nonstop2h 08m
Frontier
Deal found 4/5![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 5/278:08 pm
STL
- DEN
Nonstop2h 33m
Frontier
Mon 6/14:15 pm
DEN
- STL
Nonstop2h 08m
Frontier
Deal found 4/4![Frontier logo]()
$107
One-way flights from St. Louis to PuebloSearch for one-way flight options from St. Louis to Pueblo. Find affordable one-way fares based on user searches. Data last updated April 6, 2026.
Search for one-way flight options from St. Louis to Pueblo. Find affordable one-way fares based on user searches. Data last updated April 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:06 pm
STL
- DEN
Nonstop2h 33m
Frontier
Deal found 4/3![Frontier logo]()
$27
This Frontier deal was found by Cheapflights users on 4/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:08 pm
STL
- DEN
Nonstop2h 33m
Frontier
Deal found 4/3![Frontier logo]()
$28
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:17 pm
STL
- DEN
Nonstop2h 33m
Frontier
Deal found 4/3![Frontier logo]()
$32
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/278:17 pm
STL
- DEN
Nonstop2h 33m
Frontier
Deal found 4/4![Frontier logo]()
$34
This Frontier deal was found by Cheapflights users on 4/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:17 pm
STL
- DEN
Nonstop2h 33m
Frontier
Deal found 4/3![Frontier logo]()
$35
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:08 pm
STL
- DEN
Nonstop2h 36m
Frontier
Deal found 4/3![Frontier logo]()
$36
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/188:17 pm
STL
- DEN
Nonstop2h 33m
Frontier
Deal found 4/4![Frontier logo]()
$39
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Thu 5/288:08 pm
STL
- DEN
Nonstop2h 33m
Frontier
Deal found 4/4![Frontier logo]()
$43
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 April 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $88 (Frontier) |
One-way from | $27 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $254 |
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 April 6, 2026.
Use the filters below to find and compare flights from St. Louis to Pueblo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Tue 5/19
5:45 am-10:10 am
1 stop5h 25m
Denver Intl
Wed 5/20
8:20 am-11:25 am
Nonstop2h 05m
$211
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Sat 5/2
4:15 pm-5:49 pm
Nonstop2h 34m
Denver Intl
Sat 5/9
5:34 pm-8:43 pm
Nonstop2h 09m
$219
Quickest round-trip
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Mon 5/11
9:40 pm-11:00 pm
Nonstop2h 20m
Denver Intl
Mon 5/18
6:20 am-9:25 am
Nonstop2h 05m
$221
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Thu 4/30
2:35 pm-4:09 pm
Nonstop2h 34m
Denver Intl
Sat 5/2
11:20 am-2:28 pm
Nonstop2h 08m
$221
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Sat 5/2
5:50 pm-7:10 pm
Nonstop2h 20m
Denver Intl
Sat 5/9
5:45 am-11:45 am
1 stop5h 00m
$227
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Thu 5/14
5:59 pm-7:33 pm
Nonstop2h 34m
Denver Intl
Mon 5/18
5:34 pm-8:43 pm
Nonstop2h 09m
$237
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Sat 5/9
4:15 pm-5:49 pm
Nonstop2h 34m
Denver Intl
Tue 5/12
5:34 pm-8:43 pm
Nonstop2h 09m
$289
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Mon 5/11
2:35 pm-4:09 pm
Nonstop2h 34m
Denver Intl
Sat 5/16
5:34 pm-8:43 pm
Nonstop2h 09m
$301
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Fri 4/24
8:54 am-10:27 am
Nonstop2h 33m
Denver Intl
Wed 4/29
5:45 pm-8:54 pm
Nonstop2h 09m
$349
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Sat 4/25
6:15 am-7:35 am
Nonstop2h 20m
Denver Intl
Mon 4/27
8:40 pm-11:50 pm
Nonstop2h 10m
$354
Showing 1-10 of 22 resultsSorted by cheapest first
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.
STL-DEN
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
STL-PU5
STL-DEN
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 April 3, 2026.
The best time to book flights from St. Louis to Pueblo is 56 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 $154). 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 April 6, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited 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.
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$254 | Average$338 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$265 | Average$366 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$281 | Average$340 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$289 | Average$398 | FlexibilityNo cancel fee | On-time69% |