Cheap flights from Ontario to Colorado from $148
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 6/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
YYZ — DEN
May 18 — May 251
From?
To?
1 adult, Economy
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How far in advance should I book a flight from Region of Ontario to Colorado?
To save up to 31% on this flight, we recommend booking at least 38 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Region of Ontario to Colorado from $491 1-2 weeks out and tickets from $841 for flights departing within the next 72 hours.
What is the cheapest month to fly from Region of Ontario to Colorado?
January can be a great time to fly to Colorado from Region of Ontario with a flight ticket averaging about $450. Cheapflights users have found deals in the month of January for as cheap as $359. The most expensive prices can be found in the month of August.
When is the cheapest time to fly from Region of Ontario to Colorado (ON - CO)?
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.
Cheap WestJet flights from Ontario to Colorado
Explore cheap flight options specifically provided by WestJet for the route between Ontario and Colorado. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 13, 2024.
Take a look at some of the lowest-priced WestJet flights heading from Ontario to Colorado. Make sure to double check the flight details before booking.
Thu 6/137:00 amYUL - DEN
1 stop8h 35mWestJet
Wed 6/192:20 pmDEN - YUL
1 stop8h 11mWestJet
Deal found 5/12$351
Sun 6/26:15 amYKF - DEN
1 stop9h 20mWestJet
Thu 6/62:20 pmDEN - YKF
1 stop8h 50mWestJet
Deal found 5/12$353
Thu 9/56:30 amYYZ - DEN
1 stop9h 02mWestJet
Wed 9/112:20 pmDEN - YYZ
1 stop7h 56mWestJet
Deal found 5/12$370
Mon 8/126:30 amYYZ - DEN
1 stop9h 02mWestJet
Mon 8/192:20 pmDEN - YYZ
1 stop7h 56mWestJet
Deal found 5/12$371
Wed 6/199:15 pmYUL - DEN
2 stops18h 17mWestJet
Sat 6/222:20 pmDEN - YUL
1 stop8h 11mWestJet
Deal found 5/12$375
Fri 5/246:15 amYKF - DEN
1 stop9h 20mWestJet
Wed 5/292:20 pmDEN - YKF
1 stop8h 50mWestJet
Deal found 5/12$455
Thu 5/167:55 amYYZ - DEN
2 stops31h 40mWestJet
Sun 5/192:20 pmDEN - YYZ
2 stops13h 30mWestJet
Deal found 5/11$737
Cheap American Airlines flights from Ontario to Colorado
Explore cheap flight options specifically provided by American Airlines for the route between Ontario and Colorado. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 13, 2024.
To aid your search, here are some of the cheapest American Airlines flights we've found from Ontario to Colorado. Make sure to examine the flight information before completing your reservation.
Thu 7/45:20 pmYUL - DEN
1 stop20h 24mAmerican Airlines
Sun 7/77:12 amDEN - YUL
1 stop7h 28mAmerican Airlines
Deal found 5/13$388
Fri 5/3111:50 amYYZ - DEN
1 stop13h 16mAmerican Airlines
Sun 6/26:02 amDEN - YYZ
1 stop14h 40mAmerican Airlines
Deal found 5/12$404
Thu 7/187:30 amYYZ - DEN
1 stop15h 39mAmerican Airlines
Fri 7/2612:06 pmDEN - YYZ
1 stop8h 36mAmerican Airlines
Deal found 5/12$406
Wed 6/53:09 pmYYZ - DEN
2 stops8h 50mAmerican Airlines
Wed 6/511:59 pmDEN - YYZ
1 stop9h 14mAmerican Airlines
Deal found 5/13$408
Tue 6/47:20 pmYYZ - DEN
1 stop15h 41mAmerican Airlines
Sun 6/95:00 amDEN - YYZ
1 stop15h 55mAmerican Airlines
Deal found 5/13$410
Thu 5/237:20 pmYYZ - DEN
1 stop6h 46mAmerican Airlines
Tue 5/2811:59 pmDEN - YYZ
1 stop9h 06mAmerican Airlines
Deal found 5/12$416
Thu 5/167:30 amYYZ - DEN
1 stop7h 29mAmerican Airlines
Sun 5/196:02 amDEN - YYZ
1 stop9h 22mAmerican Airlines
Deal found 5/11$436
Sun 5/266:00 amYYZ - DEN
1 stop11h 08mAmerican Airlines
Sun 6/97:21 amDEN - YYZ
1 stop5h 08mAmerican Airlines
Deal found 5/12$442
Sat 5/183:47 pmYUL - DEN
1 stop9h 15mAmerican Airlines
Mon 5/206:43 pmDEN - YUL
1 stop18h 07mAmerican Airlines
Deal found 5/12$464
Cheap Ontario to Colorado flights in May & June 2024
Find cheap flight options from Ontario to Colorado specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,633,403 searches. Prices were last updated on May 13, 2024.
Check out some of the best flight deals from Ontario to Colorado in 2024. For more flight deals, be sure to check back very soon.
Tue 6/112:40 pmYYZ - DEN
1 stop7h 31mMultiple Airlines
Tue 6/187:15 amDEN - YYZ
1 stop21h 20mMultiple Airlines
Deal found 5/12$215
Tue 6/112:40 pmYYZ - DEN
1 stop7h 31mMultiple Airlines
Mon 6/1710:46 pmDEN - YYZ
1 stop19h 04mMultiple Airlines
Deal found 5/12$246
Mon 6/38:00 pmYYZ - DEN
1 stop18h 00mMultiple Airlines
Thu 6/68:42 amDEN - YYZ
1 stop8h 53mMultiple Airlines
Deal found 5/13$258
Fri 6/141:25 pmYYZ - DEN
1 stop16h 30mMultiple Airlines
Mon 6/1710:46 pmDEN - YYZ
1 stop19h 04mMultiple Airlines
Deal found 5/12$280
Wed 6/58:00 pmYYZ - DEN
1 stop9h 55mMultiple Airlines
Mon 6/1010:46 pmDEN - YYZ
1 stop22h 01mMultiple Airlines
Deal found 5/12$284
Thu 6/68:20 pmYYZ - DEN
1 stop9h 35mMultiple Airlines
Mon 6/1010:46 pmDEN - YYZ
1 stop22h 01mMultiple Airlines
Deal found 5/12$286
Thu 6/68:20 pmYYZ - DEN
1 stop9h 35mMultiple Airlines
Mon 6/1010:46 pmDEN - YYZ
1 stop22h 01mMultiple Airlines
Deal found 5/12$288
Sun 6/98:20 pmYYZ - DEN
1 stop9h 35mMultiple Airlines
Tue 6/113:56 pmDEN - YYZ
1 stop12h 46mMultiple Airlines
Deal found 5/12$289
Sun 6/98:20 pmYYZ - DEN
1 stop9h 35mMultiple Airlines
Tue 6/117:15 amDEN - YYZ
1 stop13h 32mMultiple Airlines
Deal found 5/12$292
Ontario to Colorado 2024 flight deals
Discover exclusive flight deals for travel between Ontario and Colorado in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 13, 2024.
Check out some of the best flight deals from Ontario to Colorado in 2024. For more flight deals, be sure to check back very soon.
Tue 6/112:40 pmYYZ - DEN
1 stop7h 31mMultiple Airlines
Tue 6/187:15 amDEN - YYZ
1 stop21h 20mMultiple Airlines
Deal found 5/12$215
Tue 6/112:40 pmYYZ - DEN
1 stop7h 31mMultiple Airlines
Mon 6/1710:46 pmDEN - YYZ
1 stop19h 04mMultiple Airlines
Deal found 5/12$246
Mon 6/38:00 pmYYZ - DEN
1 stop18h 00mMultiple Airlines
Thu 6/68:42 amDEN - YYZ
1 stop8h 53mMultiple Airlines
Deal found 5/13$258
Wed 8/147:00 amYYZ - COS
1 stop12h 24mUnited Airlines
Sat 8/177:50 amCOS - YYZ
1 stop12h 46mUnited Airlines
Deal found 5/11$270
Fri 9/136:15 amYYZ - COS
1 stop8h 54mDelta
Mon 9/1611:30 amCOS - YYZ
1 stop9h 47mDelta
Deal found 5/13$271
Fri 6/141:25 pmYYZ - DEN
1 stop16h 30mMultiple Airlines
Mon 6/1710:46 pmDEN - YYZ
1 stop19h 04mMultiple Airlines
Deal found 5/12$280
Wed 6/58:00 pmYYZ - DEN
1 stop9h 55mMultiple Airlines
Mon 6/1010:46 pmDEN - YYZ
1 stop22h 01mMultiple Airlines
Deal found 5/12$284
Thu 6/68:20 pmYYZ - DEN
1 stop9h 35mMultiple Airlines
Mon 6/1010:46 pmDEN - YYZ
1 stop22h 01mMultiple Airlines
Deal found 5/12$286
Thu 6/68:20 pmYYZ - DEN
1 stop9h 35mMultiple Airlines
Mon 6/1010:46 pmDEN - YYZ
1 stop22h 01mMultiple Airlines
Deal found 5/12$288
Non-stop flights to Colorado from Ontario
Discover non-stop flight options from Ontario to Colorado. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 13, 2024.
Take a look at some of the direct flights traveling from Ontario to Colorado in the near future. Search for alternative flights from Ontario to Colorado by utilizing the search form above.
Wed 6/128:10 amYUL - DEN
Nonstop4h 20mAir Canada
Tue 6/2511:20 amDEN - YUL
Nonstop3h 40mAir Canada
Deal found 5/12$380
Wed 6/127:00 amYYZ - DEN
Nonstop3h 42mAir Canada
Sun 6/167:45 amDEN - YYZ
Nonstop3h 13mAir Canada
Deal found 5/12$381
Thu 5/234:18 pmYYZ - DEN
Nonstop3h 40mAir Canada
Tue 5/285:32 pmDEN - YYZ
Nonstop3h 16mAir Canada
Deal found 5/12$395
Sat 7/67:00 amYYZ - DEN
Nonstop3h 42mAir Canada
Sat 7/2011:15 amDEN - YYZ
Nonstop3h 08mAir Canada
Deal found 5/12$396
Thu 9/54:18 pmYYZ - DEN
Nonstop3h 45mAir Canada
Wed 9/119:58 amDEN - YYZ
Nonstop3h 13mAir Canada
Deal found 5/12$397
Fri 5/248:15 amYYZ - DEN
Nonstop3h 41mAir Canada
Mon 5/275:32 pmDEN - YYZ
Nonstop3h 16mAir Canada
Deal found 5/12$409
Thu 7/187:00 amYYZ - DEN
Nonstop3h 42mUnited Airlines
Fri 7/265:32 pmDEN - YYZ
Nonstop3h 16mUnited Airlines
Deal found 5/13$415
Tue 6/118:15 amYYZ - DEN
Nonstop3h 41mAir Canada
Wed 6/127:45 amDEN - YYZ
Nonstop3h 13mAir Canada
Deal found 5/11$419
Wed 6/54:18 pmYYZ - DEN
Nonstop3h 40mUnited Airlines
Sat 6/85:32 pmDEN - YYZ
Nonstop3h 16mUnited Airlines
Deal found 5/12$422
Ontario to Colorado flights leaving soon
Find last-minute flight options from Ontario to Colorado for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 13, 2024.
Have a look at some of the last-minute flights available departing from Ontario to Colorado. To prevent any unwanted surprises, users should verify their flight info before booking.
Mon 5/208:00 pmYYZ - DEN
1 stop18h 00mMultiple Airlines
Sat 7/207:38 pmDEN - YYZ
1 stop23h 37mMultiple Airlines
Deal found 5/12$314
Fri 5/2411:45 amYYZ - DEN
1 stop23h 57mMultiple Airlines
Wed 5/298:00 pmDEN - YYZ
1 stop8h 42mMultiple Airlines
Deal found 5/12$326
Tue 5/218:00 pmYYZ - DEN
1 stop13h 58mMultiple Airlines
Wed 5/225:16 pmDEN - YYZ
2 stops19h 09mMultiple Airlines
Deal found 5/12$346
Sun 5/198:20 pmYYZ - DEN
1 stop13h 38mMultiple Airlines
Wed 5/228:54 amDEN - YYZ
2 stops27h 31mMultiple Airlines
Deal found 5/12$357
Mon 5/2010:15 amYYZ - DEN
2 stops25h 57mMultiple Airlines
Sat 7/207:38 pmDEN - YYZ
1 stop23h 37mMultiple Airlines
Deal found 5/12$369
Fri 5/2411:45 amYYZ - DEN
1 stop23h 57mMultiple Airlines
Mon 5/2711:59 pmDEN - YYZ
1 stop20h 01mMultiple Airlines
Deal found 5/12$373
Sat 5/188:20 pmYYZ - DEN
1 stop13h 38mMultiple Airlines
Sat 7/207:38 pmDEN - YYZ
1 stop23h 37mMultiple Airlines
Deal found 5/12$374
Sun 5/198:10 amYUL - DEN
Nonstop4h 20mUnited Airlines
Wed 5/226:00 amDEN - YUL
1 stop8h 42mUnited Airlines
Deal found 5/13$380
Sat 5/188:20 pmYYZ - DEN
1 stop13h 38mMultiple Airlines
Mon 7/2911:59 pmDEN - YYZ
1 stop20h 46mMultiple Airlines
Deal found 5/12$380
One-way flights to Colorado from Ontario
Search for one-way flight options from Ontario to Colorado. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,633,403 searches. Data last updated May 13, 2024.
Some of the best available deals we've found on one-way flights from Ontario to Colorado. For those needing a return trip from Ontario, there is a search form available above.
Tue 6/48:00 pmYYZ - DEN
1 stop17h 12mMultiple Airlines
Deal found 5/12$148
Tue 5/218:00 pmYYZ - DEN
1 stop17h 28mMultiple Airlines
Deal found 5/12$159
Mon 6/108:00 pmYYZ - DEN
1 stop9h 55mMultiple Airlines
Deal found 5/13$161
Sun 6/27:00 amYYZ - COS
1 stop15h 37mUnited Airlines
Deal found 5/12$163
Mon 5/208:00 pmYYZ - DEN
1 stop28h 03mMultiple Airlines
Deal found 5/12$173
Thu 7/47:00 amYUL - COS
2 stops16h 00mDelta
Deal found 5/13$175
Fri 9/138:00 pmYYZ - DEN
1 stop15h 46mMultiple Airlines
Deal found 5/13$175
Fri 6/141:25 pmYYZ - DEN
1 stop16h 30mMultiple Airlines
Deal found 5/12$177
Sun 7/214:00 pmYYZ - DEN
1 stop23h 04mMultiple Airlines
Deal found 5/12$178
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 2,633,403 searches. Data last updated May 13, 2024.
Fly from
Any airport
Fly to
Any airport
Budget
$215 - $522
Route
Depart
Return
Price
Toronto Pearson IntlDenver Intl
YYZ - DEN
YYZDEN
Toronto Pearson Intl
Tue 6/11
1 stop7h 31m
Denver Intl
Tue 6/18
1 stop21h 20m
$215
Toronto Pearson IntlDenver Intl
YYZ - DEN
YYZDEN
Toronto Pearson Intl
Tue 6/11
1 stop7h 31m
Denver Intl
Mon 6/17
1 stop19h 04m
$246
Toronto Pearson IntlColorado Springs
YYZ - COS
YYZCOS
Toronto Pearson Intl
Wed 8/14
1 stop12h 24m
Colorado Springs
Sat 8/17
1 stop12h 46m
$270
Toronto Pearson IntlColorado Springs
YYZ - COS
YYZCOS
Toronto Pearson Intl
Fri 9/13
1 stop8h 54m
Colorado Springs
Mon 9/16
1 stop9h 47m
$271
Toronto Pearson IntlColorado Springs
YYZ - COS
YYZCOS
Toronto Pearson Intl
Wed 8/14
1 stop12h 24m
Colorado Springs
Sat 8/17
2 stops7h 43m
$293
Montreal Pierre Elliott Trudeau IntlDenver Intl
YUL - DEN
YULDEN
Montreal Pierre Elliott Trudeau Intl
Thu 6/13
1 stop8h 35m
Denver Intl
Wed 6/19
1 stop8h 11m
$351
Montreal Pierre Elliott Trudeau IntlDenver Intl
YUL - DEN
YULDEN
Montreal Pierre Elliott Trudeau Intl
Thu 7/4
1 stop20h 24m
Denver Intl
Sun 7/7
1 stop7h 28m
$388
Montreal Pierre Elliott Trudeau IntlDenver Intl
YUL - DEN
YULDEN
Montreal Pierre Elliott Trudeau Intl
Thu 7/18
1 stop8h 56m
Denver Intl
Thu 7/25
1 stop14h 00m
$479
Toronto Pearson IntlDenver Intl
YYZ - DEN
YYZDEN
Toronto Pearson Intl
Tue 5/28
2 stops26h 57m
Denver Intl
Sat 6/1
2 stops16h 22m
$522
No data available for this route at this time. Please check back soon.
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 May 13, 2024.
Read reviews from past customers who have flown WestJet, American 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.
9,144 reviews
Comfort
7.9
Boarding
8.2
Crew
8.6
Entertainment
7.3
Overall
8.1
Food
7.3
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
9,144 reviews
9,144 reviews
Comfort
7.9
Boarding
8.2
Crew
8.6
Entertainment
7.3
Overall
8.1
Food
7.3
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
10,736 reviews
9,144 reviews
Comfort
7.9
Boarding
8.2
Crew
8.6
Entertainment
7.3
Overall
8.1
Food
7.3
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
2,540 reviews
9,144 reviews
Comfort
7.9
Boarding
8.2
Crew
8.6
Entertainment
7.3
Overall
8.1
Food
7.3
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
2,926 reviews
9,144 reviews
Comfort
7.9
Boarding
8.2
Crew
8.6
Entertainment
7.3
Overall
8.1
Food
7.3
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
10,980 reviews
9,144 reviews
Comfort
7.9
Boarding
8.2
Crew
8.6
Entertainment
7.3
Overall
8.1
Food
7.3
Reviews
1 / 10
Paid a lot for our exit row seats and they weren’t that roomy.
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 ColoradoSee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from Ontario to Colorado
Discover the top 3 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 2,633,403 searches. Data last updated May 13, 2024.
Search flights from Ontario to Colorado by cabin class
Find flights from Ontario to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Hourly flight availability from Ontario to Colorado
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 May 13, 2024.
| 0%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 50%of flight departures | Morning6 am to noon |
| 50%of flight departures | AfternoonNoon to 6 pm |
| 0%of flight departures | Evening6 pm to midnight |
Midnight
6 AM
Noon
6 PM
Book a flight to one of these trending destinations
User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Ontario to Colorado?
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Why should you use Cheapflights to find cheap flight tickets from Ontario to Colorado?
Cheapflights helps you find that perfect flight to Colorado from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Ontario to Colorado with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Colorado flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Ontario to Colorado become cheaper?
Not ready to book yet? You can track prices for flights from Ontario to Colorado on Cheapflights with our Price Alert feature and get notified when better prices are available.