$23+ Cheap flights from Ontario (ONT) 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — COS
Sep 15 — Sep 221
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Ontario 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 Ontario to Pueblo are usually found in February or January, booked 72 days in advance, depart on a Saturday or Friday and return on a Saturday
Cheap flight deals from Ontario to Pueblo
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to PuebloExplore the most affordable flight options available from Ontario to Pueblo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2026.
Explore the most affordable flight options available from Ontario to Pueblo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2026.
This Booking.com deal was found by Cheapflights users on 8/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:15 am -
Nonstop2h 20m
Mon 9/1410:50 pm -
1 stop11h 19m
Deal found 8/15![Frontier logo]()
$109
This Cheapflightsfares deal was found by Cheapflights users on 8/13. 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 9/26:00 am -
Nonstop2h 24m
Sat 9/510:29 pm -
Nonstop2h 21m
Deal found 8/13![Frontier logo]()
$110
This Cheapflightsfares deal was found by Cheapflights users on 8/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:15 am -
Nonstop2h 20m
Mon 9/219:05 am -
Nonstop2h 25m
Deal found 8/15![Frontier logo]()
$111
This Expedia deal was found by Cheapflights users on 8/13. 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.
Fri 9/116:15 am -
Nonstop2h 20m
Mon 9/2110:29 pm -
Nonstop2h 18m
Deal found 8/13![Frontier logo]()
$112
This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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 9/53:40 pm -
1 stop11h 08m
Fri 9/119:05 am -
Nonstop2h 25m
Deal found 8/14![Frontier logo]()
$115
This Cheapflightsfares deal was found by Cheapflights users on 8/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:45 pm -
1 stop16h 25m
Mon 10/510:29 pm -
Nonstop2h 18m
Deal found 8/15![Frontier logo]()
$118
This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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 9/1811:45 am -
Nonstop2h 22m
Mon 9/219:05 am -
Nonstop2h 25m
Deal found 8/14![Frontier logo]()
$119
This Booking.com deal was found by Cheapflights users on 8/14. 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.
Wed 9/96:15 am -
Nonstop2h 20m
Fri 9/111:48 pm -
1 stop6h 48m
Deal found 8/14![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/36:00 am -
Nonstop2h 24m
Sun 9/68:45 am -
Nonstop2h 19m
Deal found 8/14![Frontier logo]()
$121
This Frontier deal was found by Cheapflights users on 8/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:56 pm -
Nonstop2h 25m
Wed 9/910:50 pm -
1 stop9h 14m
Deal found 8/15![Frontier logo]()
$123
This Super.com deal was found by Cheapflights users on 8/13. 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 9/13:40 pm -
1 stop5h 01m
Sat 9/510:29 pm -
Nonstop2h 21m
Deal found 8/13![Frontier logo]()
$125
Best flights from Ontario to PuebloDiscover carefully curated flight deals from Ontario to Pueblo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 16, 2026.
Discover carefully curated flight deals from Ontario to Pueblo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 16, 2026.
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:35 am -
1 stop6h 00m
Sun 9/68:55 am -
1 stop6h 50m
Deal found 8/11![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 8/14. 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 1/71:00 pm -
Nonstop2h 14m
Mon 1/117:05 pm -
Nonstop2h 15m
Deal found 8/14![United Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 8/13. 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.
Sat 9/51:06 pm -
1 stop5h 55m
Sun 9/67:05 am -
1 stop6h 11m
Deal found 8/13![Delta logo]()
$258
This Delta deal was found by Cheapflights users on 8/13. 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.
Thu 9/31:06 pm -
1 stop5h 55m
Sat 9/58:35 am -
1 stop4h 41m
Deal found 8/13![Delta logo]()
$258
This United Airlines deal was found by Cheapflights users on 8/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/175:00 am -
Nonstop2h 21m
Mon 12/216:00 am -
1 stop6h 58m
Deal found 8/15![United Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 8/14. 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 11/135:35 am -
2 stops6h 15m
Mon 11/163:10 pm -
2 stops6h 25m
Deal found 8/14![Southwest logo]()
$310
This Southwest deal was found by Cheapflights users on 8/13. 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 10/111:00 am -
2 stops6h 00m
Tue 10/62:45 pm -
2 stops6h 00m
Deal found 8/13![Southwest logo]()
$323
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:00 am -
Nonstop2h 21m
Mon 10/125:00 am -
1 stop6h 23m
Deal found 8/12![United Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 8/13. 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.
Wed 10/76:20 am -
2 stops12h 14m
Thu 10/155:20 am -
1 stop4h 35m
Deal found 8/13![Delta logo]()
$419
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/111:00 pm -
Nonstop2h 14m
Thu 1/147:45 am -
1 stop5h 35m
Deal found 8/11![United Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/315:45 am -
1 stop4h 25m
Sun 1/318:35 am -
2 stops5h 50m
Deal found 8/12![Southwest logo]()
$415
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/231:25 pm -
1 stop5h 11m
Sat 11/2810:45 am -
1 stop14h 13m
Deal found 8/11![Delta logo]()
$419
Last-minute flights from Ontario to PuebloDiscover last-minute flight deals from Ontario to Pueblo. Data last updated August 16, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Pueblo. Data last updated August 16, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 8/13. 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 9/13:40 pm -
1 stop5h 01m
Sat 9/510:29 pm -
Nonstop2h 21m
Deal found 8/13![Frontier logo]()
$125
This Cheapflightsfares deal was found by Cheapflights users on 8/13. 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 9/26:00 am -
Nonstop2h 24m
Sat 9/510:29 pm -
Nonstop2h 21m
Deal found 8/13![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/36:00 am -
Nonstop2h 24m
Sun 9/68:45 am -
Nonstop2h 19m
Deal found 8/14![Frontier logo]()
$121
This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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 9/53:40 pm -
1 stop11h 08m
Fri 9/119:05 am -
Nonstop2h 25m
Deal found 8/14![Frontier logo]()
$115
This Frontier deal was found by Cheapflights users on 8/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:56 pm -
Nonstop2h 25m
Wed 9/910:50 pm -
1 stop9h 14m
Deal found 8/15![Frontier logo]()
$123
This Super.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:49 am -
Nonstop2h 21m
Tue 9/88:45 am -
Nonstop2h 19m
Deal found 8/11![Frontier logo]()
$118
This Booking.com deal was found by Cheapflights users on 8/14. 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.
Wed 9/96:15 am -
Nonstop2h 20m
Fri 9/111:48 pm -
1 stop6h 48m
Deal found 8/14![Frontier logo]()
$120
This Booking.com deal was found by Cheapflights users on 8/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:15 am -
Nonstop2h 20m
Mon 9/1410:50 pm -
1 stop11h 19m
Deal found 8/15![Frontier logo]()
$109
This Expedia deal was found by Cheapflights users on 8/13. 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.
Fri 9/116:15 am -
Nonstop2h 20m
Mon 9/2110:29 pm -
Nonstop2h 18m
Deal found 8/13![Frontier logo]()
$112
This Cheapflightsfares deal was found by Cheapflights users on 8/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:15 am -
Nonstop2h 20m
Mon 9/219:05 am -
Nonstop2h 25m
Deal found 8/15![Frontier logo]()
$111
This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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 9/1811:45 am -
Nonstop2h 22m
Mon 9/219:05 am -
Nonstop2h 25m
Deal found 8/14![Frontier logo]()
$119
One-way flights from Ontario to PuebloSearch for one-way flight options from Ontario to Pueblo. Find affordable one-way fares based on user searches. Data last updated August 16, 2026.
Search for one-way flight options from Ontario to Pueblo. Find affordable one-way fares based on user searches. Data last updated August 16, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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 9/3011:45 am -
Nonstop2h 22m
Deal found 8/14![Frontier logo]()
$23
This Booking.com deal was found by Cheapflights users on 8/16. 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.
Tue 9/156:15 am -
Nonstop2h 20m
Deal found 8/16![Frontier logo]()
$24
This Trip.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:52 am -
Nonstop2h 26m
Deal found 8/14![Frontier logo]()
$25
This FlightHub deal was found by Cheapflights users on 8/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:15 am -
Nonstop2h 26m
Deal found 8/15![Frontier logo]()
$26
This Super.com deal was found by Cheapflights users on 8/14. 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 10/306:15 am -
Nonstop2h 26m
Deal found 8/14![Frontier logo]()
$28
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:35 pm -
Nonstop2h 22m
Deal found 8/15![Frontier logo]()
$31
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/126:15 am -
Nonstop2h 20m
Deal found 8/14![Frontier logo]()
$32
This Super.com deal was found by Cheapflights users on 8/13. 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 9/1111:45 am -
Nonstop2h 22m
Deal found 8/13![Frontier logo]()
$33
This Cheapflightsfares deal was found by Cheapflights users on 8/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:35 pm -
Nonstop2h 22m
Deal found 8/15![Frontier logo]()
$44
This Super.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:45 am -
Nonstop2h 22m
Deal found 8/14![Frontier logo]()
$49
This Cheapflightsfares deal was found by Cheapflights users on 8/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2311:52 am -
Nonstop2h 26m
Deal found 8/15![Frontier logo]()
$52
Find flight deals from Ontario to Pueblo
Keep the following information in mind while searching for Ontario to Pueblo flight deals. Data was last updated August 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $109 (Booking.com) |
One-way from | $23 (Super.com) |
Popular in | June |
Cheapest in | February |
Average price | $207 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario 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 August 16, 2026.
Use the filters below to find and compare flights from Ontario to Pueblo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioDenver
ONT Ontario - DEN Denver Intl
ONTDEN
Ontario
Sat 9/5
10:35 am-5:35 pm
1 stop6h 00m
Denver Intl
Sun 9/6
8:55 am-2:45 pm
1 stop6h 50m
$177
Quickest round-trip
OntarioDenver
ONT Ontario - DEN Denver Intl
ONTDEN
Ontario
Thu 1/7
1:00 pm-4:14 pm
Nonstop2h 14m
Denver Intl
Mon 1/11
7:05 pm-8:20 pm
Nonstop2h 15m
$257
OntarioDenver
ONT Ontario - DEN Denver Intl
ONTDEN
Ontario
Sat 9/5
1:06 pm-8:01 pm
1 stop5h 55m
Denver Intl
Sun 9/6
7:05 am-12:16 pm
1 stop6h 11m
$258
OntarioDenver
ONT Ontario - DEN Denver Intl
ONTDEN
Ontario
Thu 9/3
1:06 pm-8:01 pm
1 stop5h 55m
Denver Intl
Sat 9/5
8:35 am-12:16 pm
1 stop4h 41m
$258
OntarioDenver
ONT Ontario - DEN Denver Intl
ONTDEN
Ontario
Thu 12/17
5:00 am-8:21 am
Nonstop2h 21m
Denver Intl
Mon 12/21
6:00 am-11:58 am
1 stop6h 58m
$267
OntarioDenver
ONT Ontario - DEN Denver Intl
ONTDEN
Ontario
Fri 11/13
5:35 am-12:50 pm
2 stops6h 15m
Denver Intl
Mon 11/16
3:10 pm-8:35 pm
2 stops6h 25m
$310
OntarioDenver
ONT Ontario - DEN Denver Intl
ONTDEN
Ontario
Thu 10/1
11:00 am-6:00 pm
2 stops6h 00m
Denver Intl
Tue 10/6
2:45 pm-7:45 pm
2 stops6h 00m
$323
OntarioDenver
ONT Ontario - DEN Denver Intl
ONTDEN
Ontario
Sat 10/10
5:00 am-8:21 am
Nonstop2h 21m
Denver Intl
Mon 10/12
5:00 am-10:23 am
1 stop6h 23m
$382
OntarioDenver
ONT Ontario - DEN Denver Intl
ONTDEN
Ontario
Mon 1/11
1:00 pm-4:14 pm
Nonstop2h 14m
Denver Intl
Thu 1/14
7:45 am-12:20 pm
1 stop5h 35m
$389
OntarioDenver
ONT Ontario - DEN Denver Intl
ONTDEN
Ontario
Thu 12/31
5:45 am-11:10 am
1 stop4h 25m
Denver Intl
Sun 1/31
8:35 am-1:25 pm
2 stops5h 50m
$415
Showing 1-10 of 24 resultsSorted by cheapest first
Best time to book a flight from Ontario to Pueblo
Have a flexible travel schedule? Discover the best time to fly to Pueblo from Ontario with our price prediction graph.
ONT-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 Ontario to Pueblo
ONT-PU5
ONT-DEN
How much does it cost to fly round-trip from Ontario to Pueblo?
Airfare is below average for this route at the moment.
Ontario to Pueblo flights typically cost between $156 and $289 in October.The cheapest round-trip price found within the last 5 days was $108 on Frontier (Oct 1-Oct 5).
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 16, 2026.
Get a feel of what it's like to fly with Southwest,United Airlines, andFrontier from Ontario to Pueblo by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Ontario to Pueblo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Ontario
Popular flights
Top destinations
Alternative routes for Ontario to Pueblo
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Pueblo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Pueblo by cabin class
Find flights from Ontario to Pueblo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Pueblo flights
Browse other Ontario and Pueblo flight options. Last updated on August 16, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on August 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to Pueblo flights
Consider these flights traveling from Ontario to Pueblo.
Top 3 airlines flying from Ontario to Pueblo
Discover the top 3 airlines that operate flights from Ontario 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 August 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$196 | Average$300 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$241 | Average$336 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$262 | Average$426 | FlexibilityNo cancel fee | On-time63% |