$83+ 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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — COS
Sep 30 — Oct 71
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 November, booked 35 days in advance, depart on a Saturday or Wednesday and return on a Saturday
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 August 31, 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 August 31, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 8/27. 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.
Thu 9/175:19 pm -
1 stop15h 18m
Sat 9/194:12 pm -
Nonstop2h 05m
Deal found 8/27![Frontier logo]()
$121
This CheapOair deal was found by Cheapflights users on 8/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:19 pm -
1 stop15h 33m
Sat 9/264:12 pm -
Nonstop2h 05m
Deal found 8/28![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/168:10 pm -
Nonstop2h 29m
Sat 9/194:12 pm -
Nonstop2h 05m
Deal found 8/27![Frontier logo]()
$123
This CheapOair deal was found by Cheapflights users on 8/27. 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 9/168:10 pm -
Nonstop2h 29m
Thu 9/246:40 am -
1 stop10h 14m
Deal found 8/27![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:29 pm -
2 stops22h 30m
Sat 10/103:54 pm -
Nonstop2h 03m
Deal found 8/29![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/238:10 pm -
Nonstop2h 29m
Tue 9/297:10 pm -
1 stop17h 00m
Deal found 8/27![Frontier logo]()
$128
This Expedia deal was found by Cheapflights users on 8/27. 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 9/288:10 pm -
Nonstop2h 29m
Fri 10/210:49 pm -
1 stop11h 43m
Deal found 8/27![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:29 pm -
1 stop7h 34m
Sat 9/264:12 pm -
Nonstop2h 05m
Deal found 8/30![Frontier logo]()
$132
This Cheapflightsfares deal was found by Cheapflights users on 8/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:10 pm -
Nonstop2h 29m
Mon 9/284:12 pm -
Nonstop2h 05m
Deal found 8/29![Frontier logo]()
$133
This CheapOair deal was found by Cheapflights users on 8/26. 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.
Mon 9/218:10 pm -
Nonstop2h 29m
Fri 9/256:40 am -
1 stop8h 54m
Deal found 8/26![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Fri 9/188:10 pm -
Nonstop2h 29m
Wed 9/234:12 pm -
Nonstop2h 05m
Deal found 8/27![Frontier logo]()
$135
This Frontier deal was found by Cheapflights users on 8/26. 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 10/284:18 pm -
Nonstop2h 30m
Sat 10/314:09 pm -
Nonstop2h 05m
Deal found 8/26![Frontier logo]()
$136
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 August 31, 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 August 31, 2026.
This Southwest deal was found by Cheapflights users on 8/27. 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.
Wed 10/78:50 pm -
Nonstop2h 25m
Mon 10/128:45 pm -
Nonstop2h 05m
Deal found 8/27![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 8/27. 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 10/194:39 pm -
Nonstop2h 31m
Sat 10/249:35 am -
Nonstop2h 05m
Deal found 8/27![United Airlines logo]()
$316
This Southwest deal was found by Cheapflights users on 8/27. 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.
Wed 9/238:50 pm -
Nonstop2h 20m
Thu 9/248:05 pm -
Nonstop2h 10m
Deal found 8/27![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 8/27. 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 10/151:36 pm -
Nonstop2h 24m
Sat 10/171:30 pm -
Nonstop2h 07m
Deal found 8/27![United Airlines logo]()
$316
This Southwest deal was found by Cheapflights users on 8/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:30 pm -
Nonstop2h 20m
Tue 10/66:35 am -
Nonstop2h 00m
Deal found 8/29![Southwest logo]()
$305
This Southwest deal was found by Cheapflights users on 8/31. 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.
Tue 10/275:50 am -
2 stops6h 10m
Thu 10/295:50 am -
Nonstop2h 00m
Deal found 8/31![Southwest logo]()
$320
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Wed 11/258:50 am -
Nonstop2h 31m
Sun 11/298:25 pm -
Nonstop2h 07m
Deal found 8/31![United Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 8/31. 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.
Sun 9/208:25 am -
1 stop3h 30m
Sat 9/2612:05 pm -
2 stops6h 25m
Deal found 8/31![Southwest logo]()
$338
This United Airlines deal was found by Cheapflights users on 8/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:00 am -
Nonstop2h 30m
Sun 10/188:28 pm -
Nonstop2h 16m
Deal found 8/28![United Airlines logo]()
$431
This United Airlines deal was found by Cheapflights users on 8/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:10 am -
Nonstop2h 33m
Wed 10/71:30 pm -
Nonstop2h 07m
Deal found 8/30![United Airlines logo]()
$431
This Southwest deal was found by Cheapflights users on 8/31. 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.
Wed 10/75:50 am -
2 stops6h 10m
Sat 10/1012:30 pm -
2 stops6h 55m
Deal found 8/31![Southwest logo]()
$417
This Southwest deal was found by Cheapflights users on 8/31. 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.
Tue 11/246:15 am -
Nonstop2h 25m
Sat 11/289:55 pm -
Nonstop1h 55m
Deal found 8/31![Southwest logo]()
$417
Last-minute flights from St. Louis to PuebloDiscover last-minute flight deals from St. Louis to Pueblo. Data last updated August 31, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Pueblo. Data last updated August 31, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/168:10 pm -
Nonstop2h 29m
Sat 9/194:12 pm -
Nonstop2h 05m
Deal found 8/27![Frontier logo]()
$123
This CheapOair deal was found by Cheapflights users on 8/27. 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 9/168:10 pm -
Nonstop2h 29m
Thu 9/246:40 am -
1 stop10h 14m
Deal found 8/27![Frontier logo]()
$126
This Cheapflightsfares deal was found by Cheapflights users on 8/27. 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.
Thu 9/175:19 pm -
1 stop15h 18m
Sat 9/194:12 pm -
Nonstop2h 05m
Deal found 8/27![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Fri 9/188:10 pm -
Nonstop2h 29m
Wed 9/234:12 pm -
Nonstop2h 05m
Deal found 8/27![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Fri 9/188:10 pm -
Nonstop2h 29m
Fri 9/254:12 pm -
Nonstop2h 05m
Deal found 8/27![Frontier logo]()
$136
This Cheapflightsfares deal was found by Cheapflights users on 8/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:10 pm -
Nonstop2h 29m
Mon 9/214:12 pm -
Nonstop2h 05m
Deal found 8/28![Frontier logo]()
$137
This CheapOair deal was found by Cheapflights users on 8/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:19 pm -
1 stop15h 33m
Sat 9/264:12 pm -
Nonstop2h 05m
Deal found 8/28![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/238:10 pm -
Nonstop2h 29m
Tue 9/297:10 pm -
1 stop17h 00m
Deal found 8/27![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:29 pm -
1 stop7h 34m
Sat 9/264:12 pm -
Nonstop2h 05m
Deal found 8/30![Frontier logo]()
$132
This Cheapflightsfares deal was found by Cheapflights users on 8/30. 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 9/268:10 pm -
Nonstop2h 29m
Mon 9/284:12 pm -
Nonstop2h 05m
Deal found 8/30![Frontier logo]()
$133
This Expedia deal was found by Cheapflights users on 8/27. 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 9/288:10 pm -
Nonstop2h 29m
Fri 10/210:49 pm -
1 stop11h 43m
Deal found 8/27![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:29 pm -
2 stops22h 30m
Sat 10/103:54 pm -
Nonstop2h 03m
Deal found 8/29![Frontier logo]()
$127
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 August 31, 2026.
Search for one-way flight options from St. Louis to Pueblo. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
This Super.com deal was found by Cheapflights users on 8/31. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:59 pm -
Nonstop2h 31m
Deal found 8/31![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/52:29 pm -
1 stop18h 35m
Deal found 8/31![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:29 pm -
1 stop18h 35m
Deal found 8/31![Frontier logo]()
$85
This Frontier deal was found by Cheapflights users on 8/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:17 pm -
1 stop7h 16m
Deal found 8/31![Frontier logo]()
$87
This Southwest deal was found by Cheapflights users on 8/27. 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.
Thu 10/19:50 pm -
Nonstop2h 20m
Deal found 8/27![Southwest logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:44 pm -
1 stop27h 48m
Deal found 8/31![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2612:17 pm -
1 stop7h 16m
Deal found 8/28![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Fri 10/166:35 pm -
1 stop14h 31m
Deal found 8/27![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:29 pm -
2 stops26h 32m
Deal found 8/31![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:44 pm -
2 stops22h 09m
Deal found 8/28![Frontier logo]()
$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 August 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $121 (Cheapflightsfares) |
One-way from | $83 (Super.com) |
Popular in | June |
Cheapest in | October |
Average price | $296 |
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 7,457,451 searches. Data last updated August 31, 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 Lambert-St Louis - DEN Denver Intl
STLDEN
Lambert-St Louis
Wed 10/7
8:50 pm-10:15 pm
Nonstop2h 25m
Denver Intl
Mon 10/12
8:45 pm-11:50 pm
Nonstop2h 05m
$177
St. LouisDenver
STL Lambert-St Louis - DEN Denver Intl
STLDEN
Lambert-St Louis
Wed 9/23
8:50 pm-10:10 pm
Nonstop2h 20m
Denver Intl
Thu 9/24
8:05 pm-11:15 pm
Nonstop2h 10m
$177
Quickest round-trip
St. LouisDenver
STL Lambert-St Louis - DEN Denver Intl
STLDEN
Lambert-St Louis
Sat 10/3
5:30 pm-6:50 pm
Nonstop2h 20m
Denver Intl
Tue 10/6
6:35 am-9:35 am
Nonstop2h 00m
$305
St. LouisDenver
STL Lambert-St Louis - DEN Denver Intl
STLDEN
Lambert-St Louis
Mon 10/19
4:39 pm-6:10 pm
Nonstop2h 31m
Denver Intl
Sat 10/24
9:35 am-12:40 pm
Nonstop2h 05m
$316
St. LouisDenver
STL Lambert-St Louis - DEN Denver Intl
STLDEN
Lambert-St Louis
Thu 10/15
1:36 pm-3:00 pm
Nonstop2h 24m
Denver Intl
Sat 10/17
1:30 pm-4:37 pm
Nonstop2h 07m
$316
St. LouisDenver
STL Lambert-St Louis - DEN Denver Intl
STLDEN
Lambert-St Louis
Tue 10/27
5:50 am-11:00 am
2 stops6h 10m
Denver Intl
Thu 10/29
5:50 am-8:50 am
Nonstop2h 00m
$320
St. LouisDenver
STL Lambert-St Louis - DEN Denver Intl
STLDEN
Lambert-St Louis
Sun 9/20
8:25 am-10:55 am
1 stop3h 30m
Denver Intl
Sat 9/26
12:05 pm-7:30 pm
2 stops6h 25m
$338
St. LouisDenver
STL Lambert-St Louis - DEN Denver Intl
STLDEN
Lambert-St Louis
Wed 11/25
8:50 am-10:21 am
Nonstop2h 31m
Denver Intl
Sun 11/29
8:25 pm-11:32 pm
Nonstop2h 07m
$387
St. LouisDenver
STL Lambert-St Louis - DEN Denver Intl
STLDEN
Lambert-St Louis
Wed 10/7
5:50 am-11:00 am
2 stops6h 10m
Denver Intl
Sat 10/10
12:30 pm-8:25 pm
2 stops6h 55m
$417
St. LouisDenver
STL Lambert-St Louis - DEN Denver Intl
STLDEN
Lambert-St Louis
Tue 11/24
6:15 am-7:40 am
Nonstop2h 25m
Denver Intl
Sat 11/28
9:55 pm-12:50 am
Nonstop1h 55m
$417
Showing 1-10 of 24 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?
Airfare is below average for this route at the moment.
St. Louis to Pueblo flights typically cost between $176 and $360 in September.The cheapest round-trip price found within the last 5 days was $121 on Frontier (Sep 17-Sep 19).
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 August 31, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andFrontier 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.
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
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St. Louis and Pueblo flights
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Top 3 airlines flying from St. Louis to Pueblo
Discover the top 3 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 7,457,451 searches. Data last updated August 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$158 | Average$437 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$382 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$239 | Average$382 | FlexibilityNo cancel fee | On-time69% |