$120+ Cheap flights from Ontario to Colorado
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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Ontario to Colorado 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.Cheap flight deals from Ontario to Colorado
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (CAON) to Colorado (USCO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.
Round-trip from | $281 (United Airlines) |
|---|---|
One-way from | $120 (Kiwi.com) |
Good round-trip deal | $372 or less |
Good one-way deal | $231 or less |
Find flight deals from Ontario to Colorado
Cheapest flights from Ontario to ColoradoExplore the most affordable flight options available from Ontario to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.
Explore the most affordable flight options available from Ontario to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.
This Kissandfly.com deal was found by Cheapflights users on 1/21. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
This Delta deal was found by Cheapflights users on 1/21. 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.
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
This United Airlines deal was found by Cheapflights users on 1/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
This Gotogate deal was found by Cheapflights users on 1/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 1/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 1/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 1/20. 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.
This United Airlines deal was found by Cheapflights users on 1/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from Ontario to Colorado within your budget
Customize your flight search to find flights from Ontario to Colorado 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 January 21, 2025.
Fly from
Fly to
Route
Depart
Return
Price
TorontoColorado Springs
YYZ - COS
YYZCOS
Toronto Pearson Intl
Thu 2/6
4:30 pm-11:51 pm
2 stops9h 21m
Colorado Springs
Wed 2/12
7:11 am-7:04 pm
2 stops9h 53m
OttawaDenver
YOW - DEN
YOWDEN
Ottawa
Tue 2/18
2:50 pm-3:56 am
2 stops15h 06m
Denver Intl
Tue 2/25
11:59 pm-2:20 pm
1 stop12h 21m
TorontoColorado Springs
YYZ - COS
YYZCOS
Toronto Pearson Intl
Fri 2/21
6:30 am-6:50 pm
2 stops14h 20m
Colorado Springs
Fri 2/28
6:00 am-8:28 pm
2 stops12h 28m
TorontoDenver
YYZ - DEN
YYZDEN
Toronto Pearson Intl
Mon 4/14
8:00 pm-3:56 am
1 stop9h 56m
Denver Intl
Tue 4/15
12:29 am-11:45 am
1 stop9h 16m
TorontoDenver
YTZ - DEN
YTZDEN
Toronto Island
Wed 2/19
11:20 am-8:12 pm
1 stop10h 52m
Denver Intl
Fri 2/21
10:44 pm-8:25 pm
2 stops19h 41m
MontrealColorado Springs
YUL - COS
YULCOS
Montreal Pierre Elliott Trudeau Intl
Wed 2/12
8:05 am-6:53 pm
1 stop12h 48m
Colorado Springs
Mon 2/17
7:30 am-5:08 pm
1 stop7h 38m
MontrealDenver
YUL - DEN
YULDEN
Montreal Pierre Elliott Trudeau Intl
Wed 3/5
2:35 pm-3:56 am
2 stops15h 21m
Denver Intl
Wed 3/12
10:44 pm-4:35 pm
1 stop15h 51m
TorontoColorado Springs
YYZ - COS
YYZCOS
Toronto Pearson Intl
Fri 2/21
5:10 pm-11:52 pm
1 stop8h 42m
Colorado Springs
Fri 2/28
6:00 am-5:29 pm
2 stops9h 29m
MontrealDenver
YUL - DEN
YULDEN
Montreal Pierre Elliott Trudeau Intl
Tue 4/15
2:30 pm-9:11 pm
1 stop8h 41m
Denver Intl
Tue 4/15
11:59 pm-1:39 pm
1 stop11h 40m
MontrealDenver
YUL - DEN
YULDEN
Montreal Pierre Elliott Trudeau Intl
Fri 5/23
5:30 pm-11:27 am
1 stop19h 57m
Denver Intl
Fri 5/30
12:15 pm-12:43 am
1 stop10h 28m
Best time to book a flight from Ontario to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Ontario with our price prediction graph.
Travel insights for flights from Ontario to Colorado
Get recent, data-driven insights about flights from Ontario to Colorado including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Region of Ontario to Colorado?
Currently, October is the cheapest month in which you can book a flight from Region of Ontario to Colorado (average of $197). Flying from Region of Ontario to Colorado in March is currently the most expensive (average of $278). 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 ON to CO?
Find hourly flight availability from Ontario to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.
When flying from Region of Ontario to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Region of Ontario to Colorado
Explore weekly flight availability from Ontario to Colorado. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 21, 2025.
The most flights from CAON to USCO are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).
Rainfall in Colorado by month
Plan your trip to Colorado by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Colorado 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 Colorado when rainfall is around 0.5 in.
Temperature in Colorado by month
Plan your trip to Colorado by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Colorado, 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 Colorado
Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated January 21, 2025.
Read reviews from past customers who have flown Air Canada, Alaska Airlines and United Airlines from Ontario to Colorado. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Food
Crew
Entertainment
Overall
Boarding
Reviews
Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Comfort
Food
Crew
Entertainment
Overall
Boarding
Reviews
Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Comfort
Food
Crew
Entertainment
Overall
Boarding
Reviews
Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Comfort
Food
Crew
Entertainment
Overall
Boarding
Reviews
Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Comfort
Food
Crew
Entertainment
Overall
Boarding
Reviews
Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Comfort
Food
Crew
Entertainment
Overall
Boarding
Reviews
Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Related info for your journey
Find useful and relevant information for your journey from Ontario to Colorado. 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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Alternative routes for Ontario to Colorado
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from Ontario to Colorado
Discover the top 2 airlines that operate flights from Ontario to Colorado. 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 January 21, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$234 | Average$426 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$254 | Average$498 | FlexibilityNo cancel fee | On-time67% |