$82+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — COS
Jun 24 — Jul 11
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 35 days in advance, depart on a Wednesday or Saturday 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 May 25, 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 May 25, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 5/20. 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 7/148:08 pm
STL
- DEN
Nonstop2h 36m
Frontier
Sat 7/184:10 pm
DEN
- STL
Nonstop2h 13m
Frontier
Deal found 5/20![Frontier logo]()
$130
This Cheapflightsfares deal was found by Cheapflights users on 5/20. 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 6/178:08 pm
STL
- DEN
Nonstop2h 36m
Frontier
Wed 6/244:12 pm
DEN
- STL
Nonstop2h 11m
Frontier
Deal found 5/20![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 5/20. 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.
Tue 7/148:08 pm
STL
- DEN
Nonstop2h 36m
Frontier
Mon 7/204:10 pm
DEN
- STL
Nonstop2h 13m
Frontier
Deal found 5/20![Frontier logo]()
$140
This Cheapflightsfares deal was found by Cheapflights users on 5/24. 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 7/18:08 pm
STL
- DEN
Nonstop2h 36m
Frontier
Wed 7/84:10 pm
DEN
- STL
Nonstop2h 13m
Frontier
Deal found 5/24![Frontier logo]()
$146
This Super.com deal was found by Cheapflights users on 5/24. 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.
Tue 8/118:08 pm
STL
- DEN
Nonstop2h 36m
Frontier
Tue 8/184:12 pm
DEN
- STL
Nonstop2h 11m
Frontier
Deal found 5/24![Frontier logo]()
$147
This Frontier deal was found by Cheapflights users on 5/23. 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 8/118:08 pm
STL
- DEN
Nonstop2h 36m
Frontier
Wed 8/124:10 pm
DEN
- STL
Nonstop2h 13m
Frontier
Deal found 5/23![Frontier logo]()
$148
This Cheapflightsfares deal was found by Cheapflights users on 5/20. 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 7/148:08 pm
STL
- DEN
Nonstop2h 36m
Frontier
Tue 7/214:10 pm
DEN
- STL
Nonstop2h 13m
Frontier
Deal found 5/20![Frontier logo]()
$151
This Frontier deal was found by Cheapflights users on 5/20. 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.
Sun 8/238:08 pm
STL
- DEN
Nonstop2h 36m
Frontier
Tue 8/254:12 pm
DEN
- STL
Nonstop2h 11m
Frontier
Deal found 5/20![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 5/23. 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.
Tue 6/168:08 pm
STL
- DEN
Nonstop2h 36m
Frontier
Tue 6/234:12 pm
DEN
- STL
Nonstop2h 11m
Frontier
Deal found 5/23![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 8/158:08 pm
STL
- DEN
Nonstop2h 36m
Frontier
Tue 8/184:12 pm
DEN
- STL
Nonstop2h 11m
Frontier
Deal found 5/23![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 5/20. 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.
Tue 7/148:08 pm
STL
- DEN
Nonstop2h 36m
Frontier
Wed 7/224:10 pm
DEN
- STL
Nonstop2h 13m
Frontier
Deal found 5/20![Frontier logo]()
$161
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 May 25, 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 May 25, 2026.
This Super.com deal was found by Cheapflights users on 5/24. 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.
Thu 7/94:09 pm
STL
- DEN
1 stop7h 51m
Frontier
Tue 7/144:10 pm
DEN
- STL
Nonstop2h 13m
Frontier
Deal found 5/24![Frontier logo]()
$208
This Southwest deal was found by Cheapflights users on 5/24. 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 7/204:00 pm
STL
- DEN
Nonstop2h 20m
Southwest
Tue 7/217:00 pm
DEN
- STL
Nonstop2h 15m
Southwest
Deal found 5/24![Southwest logo]()
$292
This Delta deal was found by Cheapflights users on 5/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/31:39 pm
STL
- DEN
1 stop8h 05m
Delta
Tue 7/712:45 pm
DEN
- STL
1 stop5h 15m
Delta
Deal found 5/21![Delta logo]()
$312
This United Airlines deal was found by Cheapflights users on 5/23. 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 7/175:10 am
STL
- DEN
Nonstop2h 22m
United Airlines
Sat 7/188:35 pm
DEN
- STL
Nonstop2h 12m
United Airlines
Deal found 5/23![United Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 5/24. 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.
Fri 7/3110:35 pm
STL
- DEN
Nonstop2h 20m
Southwest
Tue 8/48:55 am
DEN
- STL
2 stops6h 30m
Southwest
Deal found 5/24![Southwest logo]()
$307
This Southwest deal was found by Cheapflights users on 5/20. 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 7/142:10 pm
STL
- DEN
1 stop3h 50m
Southwest
Sat 7/1810:10 am
DEN
- STL
2 stops6h 50m
Southwest
Deal found 5/20![Southwest logo]()
$337
This Southwest deal was found by Cheapflights users on 5/24. 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 6/238:35 am
STL
- DEN
2 stops6h 00m
Southwest
Tue 6/307:00 am
DEN
- STL
1 stop5h 05m
Southwest
Deal found 5/24![Southwest logo]()
$337
This Delta deal was found by Cheapflights users on 5/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:20 pm
STL
- DEN
1 stop6h 19m
Delta
Thu 6/115:45 am
DEN
- STL
1 stop5h 49m
Delta
Deal found 5/20![Delta logo]()
$417
This Southwest deal was found by Cheapflights users on 5/22. 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 8/18:55 pm
STL
- DEN
Nonstop2h 20m
Southwest
Fri 8/76:25 am
DEN
- STL
Nonstop2h 00m
Southwest
Deal found 5/22![Southwest logo]()
$367
This Southwest deal was found by Cheapflights users on 5/21. 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.
Fri 6/267:15 pm
STL
- DEN
1 stop5h 25m
Southwest
Sat 7/411:30 am
DEN
- STL
2 stops6h 50m
Southwest
Deal found 5/21![Southwest logo]()
$392
This Southwest deal was found by Cheapflights users on 5/22. 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.
Sun 6/286:00 am
STL
- DEN
1 stop4h 20m
Southwest
Mon 6/297:40 am
DEN
- STL
2 stops5h 30m
Southwest
Deal found 5/22![Southwest logo]()
$408
Last-minute flights from St. Louis to PuebloDiscover last-minute flight deals from St. Louis to Pueblo. Data last updated May 25, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Pueblo. Data last updated May 25, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 5/20. 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 6/137:38 pm
STL
- DEN
Nonstop2h 26m
Frontier
Wed 6/174:12 pm
DEN
- STL
Nonstop2h 11m
Frontier
Deal found 5/20![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 5/23. 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.
Tue 6/168:08 pm
STL
- DEN
Nonstop2h 36m
Frontier
Tue 6/234:12 pm
DEN
- STL
Nonstop2h 11m
Frontier
Deal found 5/23![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 5/23. 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.
Tue 6/168:08 pm
STL
- DEN
Nonstop2h 36m
Frontier
Wed 6/244:12 pm
DEN
- STL
Nonstop2h 11m
Frontier
Deal found 5/23![Frontier logo]()
$167
This Cheapflightsfares deal was found by Cheapflights users on 5/20. 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 6/178:08 pm
STL
- DEN
Nonstop2h 36m
Frontier
Wed 6/244:12 pm
DEN
- STL
Nonstop2h 11m
Frontier
Deal found 5/20![Frontier logo]()
$131
This Cheapflightsfares deal was found by Cheapflights users on 5/20. 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.
Mon 6/227:38 pm
STL
- DEN
Nonstop2h 26m
Frontier
Wed 6/244:12 pm
DEN
- STL
Nonstop2h 11m
Frontier
Deal found 5/20![Frontier logo]()
$166
This Priceline deal was found by Cheapflights users on 5/24. 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 6/238:08 pm
STL
- DEN
Nonstop2h 36m
Frontier
Tue 6/304:12 pm
DEN
- STL
Nonstop2h 11m
Frontier
Deal found 5/24![Frontier logo]()
$148
This Cheapflightsfares deal was found by Cheapflights users on 5/23. 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 6/248:08 pm
STL
- DEN
Nonstop2h 36m
Frontier
Tue 6/304:12 pm
DEN
- STL
Nonstop2h 11m
Frontier
Deal found 5/23![Frontier logo]()
$146
This Super.com deal was found by Cheapflights users on 5/20. 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.
Wed 6/248:08 pm
STL
- DEN
Nonstop2h 36m
Frontier
Sat 6/273:41 pm
DEN
- STL
Nonstop2h 12m
Frontier
Deal found 5/20![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 5/21. 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.
Tue 6/308:08 pm
STL
- DEN
Nonstop2h 36m
Frontier
Tue 7/76:30 am
DEN
- STL
1 stop25h 27m
Frontier
Deal found 5/21![Frontier logo]()
$183
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 May 25, 2026.
Search for one-way flight options from St. Louis to Pueblo. Find affordable one-way fares based on user searches. Data last updated May 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/21. 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 8/198:08 pm
STL
- DEN
Nonstop2h 36m
Frontier
Deal found 5/21![Frontier logo]()
$82
This Frontier deal was found by Cheapflights users on 5/22. 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 8/158:08 pm
STL
- DEN
Nonstop2h 36m
Frontier
Deal found 5/22![Frontier logo]()
$84
This Kissandfly.com deal was found by Cheapflights users on 5/24. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/167:46 pm
STL
- DEN
1 stop9h 12m
Frontier
Deal found 5/24![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 5/20. 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.
Tue 7/146:34 pm
STL
- DEN
1 stop15h 29m
Frontier
Deal found 5/20![Frontier logo]()
$100
This Cheapflightsfares deal was found by Cheapflights users on 5/20. 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.
Mon 7/68:08 pm
STL
- DEN
Nonstop2h 36m
Frontier
Deal found 5/20![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 5/21. 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 6/277:38 pm
STL
- DEN
Nonstop2h 26m
Frontier
Deal found 5/21![Frontier logo]()
$103
This Frontier deal was found by Cheapflights users on 5/20. 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 6/137:38 pm
STL
- DEN
Nonstop2h 26m
Frontier
Deal found 5/20![Frontier logo]()
$104
This Frontier deal was found by Cheapflights users on 5/20. 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 6/117:38 pm
STL
- DEN
Nonstop2h 26m
Frontier
Deal found 5/20![Frontier logo]()
$105
This United Airlines deal was found by Cheapflights users on 5/20. 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.
Tue 6/164:48 pm
STL
- DEN
Nonstop2h 35m
United Airlines
Deal found 5/20![United Airlines logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 5/21. 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 7/204:57 pm
STL
- DEN
1 stop17h 06m
Frontier
Deal found 5/21![Frontier logo]()
$111
This Cheapflightsfares deal was found by Cheapflights users on 5/22. 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 6/238:08 pm
STL
- DEN
Nonstop2h 36m
Frontier
Deal found 5/22![Frontier logo]()
$113
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 May 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $130 (Cheapflightsfares) |
One-way from | $82 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $297 |
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 May 25, 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
Thu 7/9
4:09 pm-11:00 pm
1 stop7h 51m
Denver Intl
Tue 7/14
4:10 pm-7:23 pm
Nonstop2h 13m
$208
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Mon 7/20
4:00 pm-5:20 pm
Nonstop2h 20m
Denver Intl
Tue 7/21
7:00 pm-10:15 pm
Nonstop2h 15m
$292
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Fri 7/31
10:35 pm-11:55 pm
Nonstop2h 20m
Denver Intl
Tue 8/4
8:55 am-4:25 pm
2 stops6h 30m
$307
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Fri 7/3
1:39 pm-8:44 pm
1 stop8h 05m
Denver Intl
Tue 7/7
12:45 pm-7:00 pm
1 stop5h 15m
$312
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Tue 7/14
2:10 pm-5:00 pm
1 stop3h 50m
Denver Intl
Sat 7/18
10:10 am-6:00 pm
2 stops6h 50m
$337
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Tue 6/23
8:35 am-1:35 pm
2 stops6h 00m
Denver Intl
Tue 6/30
7:00 am-1:05 pm
1 stop5h 05m
$337
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Fri 7/17
5:10 am-6:32 am
Nonstop2h 22m
Denver Intl
Sat 7/18
8:35 pm-11:47 pm
Nonstop2h 12m
$367
Quickest round-trip
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Sat 8/1
8:55 pm-10:15 pm
Nonstop2h 20m
Denver Intl
Fri 8/7
6:25 am-9:25 am
Nonstop2h 00m
$367
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Fri 6/26
7:15 pm-11:40 pm
1 stop5h 25m
Denver Intl
Sat 7/4
11:30 am-7:20 pm
2 stops6h 50m
$392
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Sun 6/28
6:00 am-9:20 am
1 stop4h 20m
Denver Intl
Mon 6/29
7:40 am-2:10 pm
2 stops5h 30m
$408
Showing 1-10 of 20 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 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 May 25, 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.
Food
7.0
Crew
8.6
Comfort
8.0
Overall
7.9
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Crew
8.6
Comfort
8.0
Overall
7.9
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Crew
8.6
Comfort
8.0
Overall
7.9
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Crew
8.6
Comfort
8.0
Overall
7.9
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Crew
8.6
Comfort
8.0
Overall
7.9
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
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St. Louis and Pueblo flights
Browse other St. Louis and Pueblo flight options. Last updated on May 25, 2026.
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St. Louis to Pueblo flights
Consider these flights traveling from St. Louis to Pueblo.
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 May 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$158 | Average$342 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$342 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$239 | Average$398 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$240 | Average$366 | FlexibilityNo cancel fee | On-time63% |