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Pueblo

$78+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — COS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Pueblo are usually found in January or February, booked 55 days in advance, depart on a Saturday or Friday and return on a Tuesday

Cheap flight deals from Ontario to Pueblo

Keep the following information in mind while searching for Ontario to Pueblo flight deals. Data was last updated June 12, 2025.

Round-trip from

$119
(Cheapflightsfares)

One-way from

$78
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$192
From Ontario to Pueblo
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One-way flight from Ontario to Pueblo
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Highest demand for flights based on searches. 15% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Ontario to Pueblo

Cheapest flights from Ontario to Pueblo
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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/712:59 amONT - DEN
Nonstop2h 20mFrontier
Mon 8/1110:29 pmDEN - ONT
Nonstop2h 21mFrontier
Deal found 6/12$119
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 8/205:10 amONT - DEN
Nonstop2h 17mUnited Airlines
Tue 8/267:25 pmDEN - ONT
Nonstop2h 18mUnited Airlines
Deal found 6/11$157
This Southwest deal was found by Cheapflights users on 6/11. 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.
Wed 8/206:05 amONT - DEN
2 stops7h 00mSouthwest
Mon 8/258:30 amDEN - ONT
Nonstop2h 15mSouthwest
Deal found 6/11$172
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 7/229:44 amONT - DEN
1 stop4h 16mDelta
Wed 7/236:10 pmDEN - ONT
1 stop6h 32mDelta
Deal found 6/11$217
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/124:45 pmONT - DEN
1 stop3h 57mAmerican Airlines
Mon 7/146:45 pmDEN - ONT
1 stop3h 53mAmerican Airlines
Deal found 6/11$218

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 June 12, 2025.
Use the filters below to find and compare flights from Ontario to Pueblo that are best for you.

Fly from

Ontario

Fly to

Pueblo

Route

Depart

Return

Price

OntarioDenver

ONT - DEN

ONTDEN

Ontario

Sat 8/9

12:59 am-4:19 am

Nonstop2h 20m

Denver Intl

Mon 8/11

7:53 am-9:13 am

Nonstop2h 20m

$119

OntarioDenver

ONT - DEN

ONTDEN

Ontario

Wed 8/20

5:10 am-8:27 am

Nonstop2h 17m

Denver Intl

Tue 8/26

7:25 pm-8:43 pm

Nonstop2h 18m

$157

OntarioDenver

ONT - DEN

ONTDEN

Ontario

Wed 8/20

2:45 pm-6:00 pm

Nonstop2h 15m

Denver Intl

Tue 8/26

10:45 am-5:35 pm

2 stops7h 50m

$172

OntarioDenver

ONT - DEN

ONTDEN

Ontario

Tue 7/22

9:44 am-3:00 pm

1 stop4h 16m

Denver Intl

Wed 7/23

6:10 pm-11:42 pm

1 stop6h 32m

$217

OntarioDenver

ONT - DEN

ONTDEN

Ontario

Sat 7/12

4:45 pm-9:42 pm

1 stop3h 57m

Denver Intl

Mon 7/14

6:45 pm-9:38 pm

1 stop3h 53m

$218

OntarioDenver

ONT - DEN

ONTDEN

Ontario

Mon 9/1

12:59 am-4:19 am

Nonstop2h 20m

$78

OntarioDenver

ONT - DEN

ONTDEN

Ontario

Tue 8/19

1:15 pm-4:32 pm

Nonstop2h 17m

$79

OntarioDenver

ONT - DEN

ONTDEN

Ontario

Mon 8/25

11:39 am-8:27 pm

1 stop7h 48m

$88

OntarioDenver

ONT - DEN

ONTDEN

Ontario

Thu 8/21

5:05 pm-12:15 am

1 stop6h 10m

$89

OntarioDenver

ONT - DEN

ONTDEN

Ontario

Sat 8/16

6:17 am-11:30 am

1 stop4h 13m

$94

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 13 results
1
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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.
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

How far ahead should I book a flight from Ontario to Pueblo?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Pueblo. Price data was last updated on June 9, 2025.

The best time to book flights from Ontario to Pueblo is 55 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 Ontario to Pueblo?

Currently, January is the cheapest month in which you can book a flight from Ontario to Pueblo (average of $316). Flying from Ontario to Pueblo in June is currently the most expensive (average of $413). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to PU5?

Find hourly flight availability from Ontario to Pueblo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Pueblo as you normally would.

Rainfall in Pueblo by month

Plan your trip to Pueblo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Pueblo ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Pueblo when rainfall is around 0.5 in.

Temperature in Pueblo by month

Plan your trip to Pueblo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Pueblo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Ontario to Pueblo. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What airport do you fly from for flights from Ontario to Pueblo?

    If you book a flight to Pueblo from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 9 flights from Ontario to Pueblo per day from 3 different airlines.

  • What are the cheapest airlines to fly from Ontario to Pueblo one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $78. Users have also found prices from $79 and $88 on United Airlines and Alaska Airlines, respectively.

  • Can I find deals for flights from Ontario to Pueblo that include hotel bookings?

    Yes. In addition to deals on Ontario to Pueblo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Pueblo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Pueblo.

  • Can I find deals for business class flights from Ontario to Pueblo?

    Yes. Cheapflights offers flight deals from Ontario to Pueblo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Pueblo?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Pueblo (average of $316). Flying from Ontario to Pueblo in June is currently the most expensive (average of $413). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$109Average$366FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$238Average$421FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$244Average$366FlexibilityNo cancel feeOn-time63%

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