$83+ Cheap flights from Ontario (ONT) to Aurora, 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DEN
Jul 12 — Jul 191
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Ontario to Aurora 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 Aurora are usually found in February or October, booked 69 days in advance, depart on a Thursday or Friday and return on a Wednesday
Cheap flight deals from Ontario to Aurora
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to AuroraExplore the most affordable flight options available from Ontario to Aurora. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2026.
Explore the most affordable flight options available from Ontario to Aurora. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/156:00 am
ONT
- DEN
Nonstop2h 24m
Frontier
Tue 7/2110:29 pm
DEN
- ONT
Nonstop2h 21m
Frontier
Deal found 6/10![Frontier logo]()
$129
This Frontier deal was found by Cheapflights users on 6/9. 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.
Tue 10/136:00 am
ONT
- DEN
Nonstop2h 26m
Frontier
Sat 10/1710:34 pm
DEN
- ONT
Nonstop2h 21m
Frontier
Deal found 6/9![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Tue 6/303:34 pm
ONT
- DEN
1 stop8h 04m
Frontier
Wed 7/110:29 pm
DEN
- ONT
Nonstop2h 20m
Frontier
Deal found 6/10![Frontier logo]()
$140
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
Tue 7/211:38 pm
ONT
- DEN
1 stop13h 10m
Frontier
Tue 7/2810:29 pm
DEN
- ONT
Nonstop2h 21m
Frontier
Deal found 6/10![Frontier logo]()
$141
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.
Wed 8/1910:50 am
ONT
- DEN
Nonstop2h 19m
Frontier
Mon 8/2410:29 pm
DEN
- ONT
Nonstop2h 20m
Frontier
Deal found 6/12![Frontier logo]()
$142
This Frontier deal was found by Cheapflights users on 6/10. 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.
Wed 7/226:00 am
ONT
- DEN
Nonstop2h 24m
Frontier
Tue 7/289:06 pm
DEN
- ONT
1 stop11h 26m
Frontier
Deal found 6/10![Frontier logo]()
$143
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 am
ONT
- DEN
Nonstop2h 26m
Frontier
Tue 9/2210:34 pm
DEN
- ONT
Nonstop2h 21m
Frontier
Deal found 6/11![Frontier logo]()
$144
This Frontier deal was found by Cheapflights users on 6/7. 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.
Thu 8/610:49 am
ONT
- DEN
Nonstop2h 21m
Frontier
Sat 8/158:45 am
DEN
- ONT
Nonstop2h 19m
Frontier
Deal found 6/7![Frontier logo]()
$150
This Frontier deal was found by Cheapflights users on 6/10. 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.
Wed 7/226:00 am
ONT
- DEN
Nonstop2h 24m
Frontier
Sat 7/2510:29 pm
DEN
- ONT
Nonstop2h 21m
Frontier
Deal found 6/10![Frontier logo]()
$152
This CheapOair deal was found by Cheapflights users on 6/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:49 pm
ONT
- DEN
1 stop25h 26m
Frontier
Tue 10/2710:34 pm
DEN
- ONT
Nonstop2h 21m
Frontier
Deal found 6/9![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 10/1711:38 am
ONT
- DEN
Nonstop2h 26m
Frontier
Wed 10/2110:34 pm
DEN
- ONT
Nonstop2h 21m
Frontier
Deal found 6/9![Frontier logo]()
$154
Best flights from Ontario to AuroraDiscover carefully curated flight deals from Ontario to Aurora that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2026.
Discover carefully curated flight deals from Ontario to Aurora that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2026.
This Southwest deal was found by Cheapflights users on 6/10. 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 7/157:20 pm
ONT
- DEN
1 stop4h 00m
Southwest
Tue 7/218:00 am
DEN
- ONT
1 stop4h 30m
Southwest
Deal found 6/10![Southwest logo]()
$165
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 7/285:00 am
ONT
- DEN
Nonstop2h 20m
United Airlines
Thu 8/67:20 pm
DEN
- ONT
Nonstop2h 22m
United Airlines
Deal found 6/9![United Airlines logo]()
$253
This Delta deal was found by Cheapflights users on 6/10. 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.
Sun 9/206:00 am
ONT
- DEN
1 stop5h 05m
Delta
Mon 9/285:30 am
DEN
- ONT
1 stop4h 23m
Delta
Deal found 6/10![Delta logo]()
$436
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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.
Tue 9/13:07 pm
ONT
- DEN
1 stop7h 09m
Alaska Airlines
Wed 9/28:22 am
DEN
- ONT
2 stops13h 02m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$439
This Southwest deal was found by Cheapflights users on 6/9. 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 8/198:35 am
ONT
- DEN
1 stop4h 05m
Southwest
Sat 8/223:05 pm
DEN
- ONT
Nonstop2h 20m
Southwest
Deal found 6/9![Southwest logo]()
$331
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.
Thu 11/128:05 am
ONT
- DEN
Nonstop2h 15m
Southwest
Sat 11/1412:50 pm
DEN
- ONT
Nonstop2h 20m
Southwest
Deal found 6/11![Southwest logo]()
$361
This Southwest deal was found by Cheapflights users on 6/9. 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 8/192:10 pm
ONT
- DEN
2 stops6h 10m
Southwest
Sun 8/233:25 pm
DEN
- ONT
1 stop3h 50m
Southwest
Deal found 6/9![Southwest logo]()
$396
This United Airlines deal was found by Cheapflights users on 6/8. 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 11/211:33 pm
ONT
- DEN
1 stop5h 55m
United Airlines
Sat 11/287:05 pm
DEN
- ONT
Nonstop2h 15m
United Airlines
Deal found 6/8![United Airlines logo]()
$481
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.
Thu 7/21:00 pm
ONT
- DEN
1 stop6h 04m
Delta
Mon 7/65:40 am
DEN
- ONT
1 stop4h 10m
Delta
Deal found 6/11![Delta logo]()
$491
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.
Thu 11/125:55 am
ONT
- DEN
1 stop5h 05m
Southwest
Thu 11/123:10 pm
DEN
- ONT
2 stops5h 45m
Southwest
Deal found 6/11![Southwest logo]()
$441
Last-minute flights from Ontario to AuroraDiscover last-minute flight deals from Ontario to Aurora. Data last updated June 12, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Aurora. Data last updated June 12, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Tue 6/303:34 pm
ONT
- DEN
1 stop8h 04m
Frontier
Wed 7/110:29 pm
DEN
- ONT
Nonstop2h 20m
Frontier
Deal found 6/10![Frontier logo]()
$140
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:00 am
ONT
- DEN
Nonstop2h 24m
Frontier
Sat 7/1110:29 pm
DEN
- ONT
Nonstop2h 21m
Frontier
Deal found 6/11![Frontier logo]()
$144
This Southwest deal was found by Cheapflights users on 6/9. 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.
Tue 7/71:20 pm
ONT
- DEN
Nonstop2h 15m
Southwest
Tue 7/146:00 am
DEN
- ONT
1 stop4h 05m
Southwest
Deal found 6/9![Southwest logo]()
$155
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 7/81:38 pm
ONT
- DEN
1 stop18h 27m
Frontier
Tue 7/148:45 am
DEN
- ONT
Nonstop2h 19m
Frontier
Deal found 6/10![Frontier logo]()
$156
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/143:40 pm
ONT
- DEN
1 stop5h 01m
Frontier
Wed 7/2210:29 pm
DEN
- ONT
Nonstop2h 21m
Frontier
Deal found 6/11![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/156:00 am
ONT
- DEN
Nonstop2h 24m
Frontier
Tue 7/2110:29 pm
DEN
- ONT
Nonstop2h 21m
Frontier
Deal found 6/10![Frontier logo]()
$129
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
Tue 7/211:38 pm
ONT
- DEN
1 stop13h 10m
Frontier
Tue 7/2810:29 pm
DEN
- ONT
Nonstop2h 21m
Frontier
Deal found 6/10![Frontier logo]()
$141
This Frontier deal was found by Cheapflights users on 6/10. 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.
Wed 7/226:00 am
ONT
- DEN
Nonstop2h 24m
Frontier
Tue 7/289:06 pm
DEN
- ONT
1 stop11h 26m
Frontier
Deal found 6/10![Frontier logo]()
$143
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 7/226:00 am
ONT
- DEN
Nonstop2h 24m
Frontier
Sat 7/2510:29 pm
DEN
- ONT
Nonstop2h 21m
Frontier
Deal found 6/10![Frontier logo]()
$150
One-way flights from Ontario to AuroraSearch for one-way flight options from Ontario to Aurora. Find affordable one-way fares based on user searches. Data last updated June 12, 2026.
Search for one-way flight options from Ontario to Aurora. Find affordable one-way fares based on user searches. Data last updated June 12, 2026.
This Southwest deal was found by Cheapflights users on 6/10. 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 7/83:30 pm
ONT
- DEN
1 stop5h 25m
Southwest
Deal found 6/10![Southwest logo]()
$83
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:34 pm
ONT
- DEN
1 stop11h 24m
Frontier
Deal found 6/11![Frontier logo]()
$87
This Southwest deal was found by Cheapflights users on 6/10. 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.
Tue 7/74:10 pm
ONT
- DEN
2 stops6h 00m
Southwest
Deal found 6/10![Southwest logo]()
$88
This Trip.com deal was found by Cheapflights users on 6/10. 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.
Wed 7/226:00 am
ONT
- DEN
Nonstop2h 24m
Frontier
Deal found 6/10![Frontier logo]()
$91
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:34 pm
ONT
- DEN
1 stop8h 04m
Frontier
Deal found 6/11![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 8/51:38 pm
ONT
- DEN
1 stop7h 03m
Frontier
Deal found 6/10![Frontier logo]()
$93
This Super.com deal was found by Cheapflights users on 6/10. 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.
Wed 8/126:00 am
ONT
- DEN
Nonstop2h 24m
Frontier
Deal found 6/10![Frontier logo]()
$95
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 7/71:00 pm
ONT
- DEN
1 stop6h 01m
Delta
Deal found 6/11![Delta logo]()
$99
This Trip.com deal was found by Cheapflights users on 6/7. 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.
Tue 6/301:33 pm
ONT
- DEN
1 stop7h 09m
Frontier
Deal found 6/7![Frontier logo]()
$102
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
Tue 8/43:40 pm
ONT
- DEN
1 stop5h 01m
Frontier
Deal found 6/10![Frontier logo]()
$103
Find flight deals from Ontario to Aurora
Keep the following information in mind while searching for Ontario to Aurora flight deals. Data was last updated June 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $129 (Frontier) |
One-way from | $83 (Southwest) |
Popular in | June |
Cheapest in | February |
Average price | $286 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Aurora 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, 2026.
Use the filters below to find and compare flights from Ontario to Aurora that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioDenver
ONT - DEN
ONTDEN
Ontario
Wed 7/15
7:20 pm-12:20 am
1 stop4h 00m
Denver Intl
Tue 7/21
8:00 am-11:30 am
1 stop4h 30m
$165
OntarioDenver
ONT - DEN
ONTDEN
Ontario
Tue 7/28
5:00 am-8:20 am
Nonstop2h 20m
Denver Intl
Thu 8/6
7:20 pm-8:42 pm
Nonstop2h 22m
$253
OntarioDenver
ONT - DEN
ONTDEN
Ontario
Wed 8/19
8:35 am-1:40 pm
1 stop4h 05m
Denver Intl
Sat 8/22
3:05 pm-4:25 pm
Nonstop2h 20m
$331
Quickest round-trip
OntarioDenver
ONT - DEN
ONTDEN
Ontario
Thu 11/12
8:05 am-11:20 am
Nonstop2h 15m
Denver Intl
Sat 11/14
12:50 pm-2:10 pm
Nonstop2h 20m
$361
OntarioDenver
ONT - DEN
ONTDEN
Ontario
Wed 8/19
2:10 pm-9:20 pm
2 stops6h 10m
Denver Intl
Sun 8/23
3:25 pm-6:15 pm
1 stop3h 50m
$396
OntarioDenver
ONT - DEN
ONTDEN
Ontario
Sun 9/20
6:00 am-12:05 pm
1 stop5h 05m
Denver Intl
Mon 9/28
5:30 am-8:53 am
1 stop4h 23m
$436
OntarioDenver
ONT - DEN
ONTDEN
Ontario
Tue 9/1
3:07 pm-11:16 pm
1 stop7h 09m
Denver Intl
Wed 9/2
8:22 am-8:24 pm
2 stops13h 02m
$439
OntarioDenver
ONT - DEN
ONTDEN
Ontario
Thu 11/12
5:55 am-12:00 pm
1 stop5h 05m
Denver Intl
Thu 11/12
3:10 pm-7:55 pm
2 stops5h 45m
$441
OntarioDenver
ONT - DEN
ONTDEN
Ontario
Sat 11/21
1:33 pm-8:28 pm
1 stop5h 55m
Denver Intl
Sat 11/28
7:05 pm-8:20 pm
Nonstop2h 15m
$481
OntarioDenver
ONT - DEN
ONTDEN
Ontario
Thu 7/2
1:00 pm-8:04 pm
1 stop6h 04m
Denver Intl
Mon 7/6
5:40 am-8:50 am
1 stop4h 10m
$491
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from Ontario to Aurora
Have a flexible travel schedule? Discover the best time to fly to Aurora 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 Aurora
ONT-9UR
ONT-DEN
What is the cheapest time of day to fly from ONT to 9UR?
Find hourly flight availability from Ontario to Aurora. 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, 2026.
It’s optimal to fly from Ontario to Aurora in the evening. By choosing this option you can save up to 52% on the cost of your flight, compared to a flight at noon.
Weekly flight availability from Ontario to Aurora
Explore weekly flight availability from Ontario to Aurora. 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 June 12, 2026.
The most flights from ONT to 9UR are scheduled on a Monday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).
How much does it cost to fly round-trip from Ontario to Aurora?
What is the cheapest day to fly from Ontario to Aurora?
Use this chart to determine the cheapest time to fly round-trip from Ontario to Aurora. Price data was last updated on June 8, 2026.
Travelers seeking maximum savings on their Ontario to Aurora flight should consider departing on Saturday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Aurora
Get insights into the airlines that provide service to Aurora. 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 Aurora. Reviews last updated June 12, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andFrontier from Ontario to Aurora to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
7.9
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Ontario to Aurora. 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 Aurora
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Aurora by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Aurora by cabin class
Find flights from Ontario to Aurora, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Aurora flights
Browse other Ontario and Aurora flight options. Last updated on June 12, 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 June 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to Aurora flights
Consider these flights traveling from Ontario to Aurora.
Top 4 airlines flying from Ontario to Aurora
Discover the top 4 airlines that operate flights from Ontario to Aurora. 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, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$61 | Average$170 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$157 | Average$346 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$157 | Average$334 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$172 | Average$273 | FlexibilityNo cancel fee | On-timeN/A |