$84+ Cheap flights from Colorado to Ontario
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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Colorado to Ontario 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 Colorado to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Colorado (USCO) to Ontario (CAON). 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 | $248 (Kiwi.com) |
|---|---|
One-way from | $84 (Kiwi.com) |
Good round-trip deal | $567 or less |
Good one-way deal | $332 or less |
Find flight deals from Colorado to Ontario
Cheapest flights from Colorado to OntarioExplore the most affordable flight options available from Colorado to Ontario. 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 Colorado to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.
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 Kiwi.com deal was found by Cheapflights users on 1/19. 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 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 1/20. 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.
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Alaska Airlines 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 Alaska 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 Sun Country Air deal was found by Cheapflights users on 1/19. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Trip.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 Trip.com 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 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from Colorado to Ontario within your budget
Customize your flight search to find flights from Colorado to Ontario 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
DenverToronto
DEN - YYZ
DENYYZ
Denver Intl
Mon 2/24
10:44 pm-9:31 pm
2 stops20h 47m
Toronto Pearson Intl
Fri 2/28
8:00 pm-3:56 am
1 stop9h 56m
DenverToronto
DEN - YTZ
DENYTZ
Denver Intl
Wed 2/26
8:55 pm-3:47 pm
1 stop16h 52m
Toronto Island
Sun 3/2
3:50 pm-8:32 am
1 stop18h 42m
DenverMontreal
DEN - YUL
DENYUL
Denver Intl
Fri 2/21
10:44 pm-4:35 pm
1 stop15h 51m
Montreal Pierre Elliott Trudeau Intl
Mon 2/24
6:45 am-9:22 am
2 stops28h 37m
DenverOttawa
DEN - YOW
DENYOW
Denver Intl
Tue 3/4
10:44 pm-4:45 pm
1 stop16h 01m
Ottawa
Tue 3/11
8:00 am-3:56 am
2 stops21h 56m
Colorado SpringsToronto
COS - YYZ
COSYYZ
Colorado Springs
Thu 3/6
8:20 am-10:52 pm
1 stop12h 32m
Toronto Pearson Intl
Thu 3/13
2:45 pm-10:00 pm
1 stop9h 15m
Colorado SpringsMontreal
COS - YUL
COSYUL
Colorado Springs
Thu 2/6
12:09 pm-7:45 am
2 stops17h 36m
Montreal Pierre Elliott Trudeau Intl
Sun 2/9
8:05 am-9:58 pm
1 stop15h 53m
DenverToronto
DEN - YYZ
DENYYZ
Denver Intl
Tue 2/18
7:00 am-2:55 pm
1 stop29h 55m
Toronto Pearson Intl
Tue 2/25
4:20 pm-11:29 pm
1 stop9h 09m
Colorado SpringsMontreal
COS - YUL
COSYUL
Colorado Springs
Thu 2/6
6:00 am-9:03 pm
2 stops13h 03m
Montreal Pierre Elliott Trudeau Intl
Sun 2/9
7:05 am-9:05 pm
2 stops16h 00m
DenverToronto
DEN - YYZ
DENYYZ
Denver Intl
Sun 7/13
10:14 am-5:30 pm
1 stop5h 16m
Toronto Pearson Intl
Sun 8/3
6:36 pm-9:19 am
1 stop16h 43m
DenverMontreal
DEN - YUL
DENYUL
Denver Intl
Thu 6/5
12:15 pm-12:43 am
1 stop10h 28m
Montreal Pierre Elliott Trudeau Intl
Sun 6/8
7:00 am-6:52 pm
1 stop13h 52m
Best time to book a flight from Colorado to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Colorado with our price prediction graph.
Travel insights for flights from Colorado to Ontario
Get recent, data-driven insights about flights from Colorado to Ontario including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Colorado to Region of Ontario?
Currently, January is the cheapest month in which you can book a flight from Colorado to Region of Ontario (average of $243). Flying from Colorado to Region of Ontario in July is currently the most expensive (average of $359). 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 CO to ON?
Find hourly flight availability from Colorado to Ontario. 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.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colorado to Region of Ontario as you normally would.
Weekly flight availability from Colorado to Region of Ontario
Explore weekly flight availability from Colorado to Ontario. 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 USCO to CAON 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 Ontario by month
Plan your trip to Ontario by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.
Temperature in Ontario by month
Plan your trip to Ontario by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Region of Ontario, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated January 21, 2025.
Read through reviews of airlines operating flights from Colorado to Ontario, such as Air Canada, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
Boarding
Comfort
Overall
Food
Entertainment
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
Crew
Boarding
Comfort
Overall
Food
Entertainment
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
Crew
Boarding
Comfort
Overall
Food
Entertainment
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
Crew
Boarding
Comfort
Overall
Food
Entertainment
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
Crew
Boarding
Comfort
Overall
Food
Entertainment
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
Crew
Boarding
Comfort
Overall
Food
Entertainment
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 Colorado to Ontario. 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 for Colorado to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from Colorado to Ontario
Discover the top 2 airlines that operate flights from Colorado to Ontario. 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$130 | Average$461 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$160 | Average$580 | FlexibilityNo cancel fee | On-time69% |