$71+ Cheap flights from Oklahoma City to Ontario (OKC - ONT)
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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — ONT
Oct 24 — Oct 311
1 adult, Economy
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Find cheap flights from Oklahoma City 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.Cheapflights Tip: The best prices from Oklahoma City Will Rogers World to Ontario are usually found in June or September, booked 63 days in advance, depart on a Sunday or Saturday and return on a Monday
Cheap flight deals from Oklahoma City to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Oklahoma City (OKC) to Ontario (ONT). 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 September 24, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $143 (Priceline) |
One-way from | $71 (Kiwi.com) |
Popular in | May |
Cheapest in | June |
Average price | $265 |
Find flight deals from Oklahoma City to Ontario
Cheapest flights from Oklahoma City to OntarioExplore the most affordable flight options available from Oklahoma City to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2025.
Explore the most affordable flight options available from Oklahoma City to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2025.
This Frontier deal was found by Cheapflights users on 9/23. 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.
Fri 10/317:45 pmOKC - ONT
1 stop6h 05mFrontier
Sun 11/96:45 amONT - OKC
1 stop10h 29mFrontier
Deal found 9/23![Frontier logo]()
$143
This Frontier deal was found by Cheapflights users on 9/24. 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.
Fri 10/31:54 pmOKC - ONT
1 stop10h 01mFrontier
Fri 10/106:05 amONT - OKC
1 stop11h 40mFrontier
Deal found 9/24![Frontier logo]()
$144
This Booking.com deal was found by Cheapflights users on 9/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/208:24 pmOKC - ONT
1 stop26h 18mFrontier
Thu 10/2310:30 amONT - OKC
1 stop5h 58mFrontier
Deal found 9/23![Frontier logo]()
$145
This Booking.com deal was found by Cheapflights users on 9/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/27:45 pmOKC - ONT
1 stop17h 25mFrontier
Thu 11/612:05 pmONT - OKC
1 stop4h 55mFrontier
Deal found 9/22![Frontier logo]()
$154
This Booking.com deal was found by Cheapflights users on 9/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:45 pmOKC - ONT
1 stop17h 25mFrontier
Mon 11/36:53 amONT - OKC
1 stop10h 07mFrontier
Deal found 9/23![Frontier logo]()
$160
This Booking.com deal was found by Cheapflights users on 9/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1011:02 amOKC - ONT
1 stop14h 48mFrontier
Sun 10/126:53 amONT - OKC
1 stop25h 29mFrontier
Deal found 9/23![Frontier logo]()
$169
This Booking.com deal was found by Cheapflights users on 9/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/296:05 amOKC - ONT
1 stop15h 49mFrontier
Mon 10/66:00 amONT - OKC
1 stop5h 09mFrontier
Deal found 9/24![Frontier logo]()
$170
This Frontier deal was found by Cheapflights users on 9/24. 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 10/97:13 pmOKC - ONT
1 stop6h 37mFrontier
Fri 10/106:05 amONT - OKC
1 stop11h 40mFrontier
Deal found 9/24![Frontier logo]()
$179
This Booking.com deal was found by Cheapflights users on 9/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:13 pmOKC - ONT
1 stop6h 37mFrontier
Sun 10/126:53 amONT - OKC
1 stop25h 29mFrontier
Deal found 9/24![Frontier logo]()
$180
This Booking.com deal was found by Cheapflights users on 9/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/197:41 pmOKC - ONT
1 stop6h 09mFrontier
Sun 10/266:53 amONT - OKC
1 stop24h 59mFrontier
Deal found 9/23![Frontier logo]()
$191
This Frontier deal was found by Cheapflights users on 9/24. 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 10/97:13 pmOKC - ONT
1 stop6h 37mFrontier
Sat 10/187:04 amONT - OKC
1 stop7h 34mFrontier
Deal found 9/24![Frontier logo]()
$193
Cheapflights Fare Finder
Customize your flight search to find flights from Oklahoma City 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 September 24, 2025.
Use the filters below to find and compare flights from Oklahoma City to Ontario that are best for you.
Fly from
Oklahoma City
Fly to
Ontario
Route
Depart
Return
Price
Oklahoma CityOntario
OKC - ONT
OKCONT
Oklahoma City Will Rogers World
Fri 10/31
7:45 pm-11:50 pm
1 stop6h 05m
Ontario
Sun 11/9
6:45 am-7:14 pm
1 stop10h 29m
$143
Oklahoma CityOntario
OKC - ONT
OKCONT
Oklahoma City Will Rogers World
Fri 10/3
1:54 pm-9:55 pm
1 stop10h 01m
Ontario
Sun 10/5
6:00 am-1:24 pm
1 stop5h 24m
$144
Oklahoma CityOntario
OKC - ONT
OKCONT
Oklahoma City Will Rogers World
Tue 9/30
8:00 am-7:54 pm
1 stop13h 54m
Ontario
Wed 10/1
8:59 pm-11:54 pm
1 stop24h 55m
$145
Oklahoma CityOntario
OKC - ONT
OKCONT
Oklahoma City Will Rogers World
Wed 10/1
8:00 am-7:23 am
1 stop25h 23m
Ontario
Sun 10/5
6:00 am-1:24 pm
1 stop5h 24m
$145
Oklahoma CityOntario
OKC - ONT
OKCONT
Oklahoma City Will Rogers World
Sun 11/2
7:45 pm-11:10 am
1 stop17h 25m
Ontario
Thu 11/6
12:05 pm-7:00 pm
1 stop4h 55m
$154
Oklahoma CityOntario
OKC - ONT
OKCONT
Oklahoma City Will Rogers World
Fri 10/10
11:02 am-11:50 pm
1 stop14h 48m
Ontario
Sun 10/12
6:53 am-10:22 am
1 stop25h 29m
$169
Oklahoma CityOntario
OKC - ONT
OKCONT
Oklahoma City Will Rogers World
Sun 9/28
2:09 pm-7:17 am
1 stop19h 08m
Ontario
Mon 10/6
6:00 am-1:09 pm
1 stop5h 09m
$170
Oklahoma CityOntario
OKC - ONT
OKCONT
Oklahoma City Will Rogers World
Mon 9/29
6:05 am-7:54 pm
1 stop15h 49m
Ontario
Tue 9/30
8:59 pm-8:38 pm
1 stop21h 39m
$170
Oklahoma CityOntario
OKC - ONT
OKCONT
Oklahoma City Will Rogers World
Thu 10/9
7:13 pm-11:50 pm
1 stop6h 37m
Ontario
Sat 10/18
7:04 am-4:38 pm
1 stop7h 34m
$193
Oklahoma CityOntario
OKC - ONT
OKCONT
Oklahoma City Will Rogers World
Thu 11/13
7:45 pm-11:50 pm
2 stops30h 05m
Ontario
Tue 11/18
8:45 am-6:21 pm
1 stop7h 36m
$215
Showing 1-10 of 21 results
Compare providers for flights from Oklahoma City to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Oklahoma City to Ontario in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Oklahoma City-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Oklahoma City-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Oklahoma City-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Oklahoma City-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Oklahoma City-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Oklahoma City to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Oklahoma City 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 Oklahoma City to Ontario
How far ahead should I book a flight from Oklahoma City to Ontario?
Use this chart to determine the optimal time to book a round-trip flight from Oklahoma City to Ontario. Price data was last updated on September 19, 2025.
The best time to book flights from Oklahoma City to Ontario is 63 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 Oklahoma City to Ontario?
Currently, August is the cheapest month in which you can book a flight from Oklahoma City to Ontario (average of $246). Flying from Oklahoma City to Ontario in March is currently the most expensive (average of $328). 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 OKC to ONT?
Find hourly flight availability from Oklahoma City 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 September 24, 2025.
It’s typically best to fly out from Oklahoma City to Ontario in the evening. Doing so could potentially save you 28% on the flight price compared to flying at noon, which is usually more expensive.
What is the cheapest day to fly from Oklahoma City to Ontario?
Use this chart to determine the cheapest time to fly round-trip from Oklahoma City to Ontario. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Oklahoma City to Ontario flight should consider departing on Thursday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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 September 24, 2025.
Read reviews from past customers who have flown Southwest, Delta, and American Airlines from Oklahoma City to Ontario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from Oklahoma City to Ontario. 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 Oklahoma City to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from Oklahoma City to Ontario
Discover the top 4 airlines that operate flights from Oklahoma City 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 September 24, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$138 | Average$229 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$158 | Average$306 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$200 | Average$362 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$266 | Average$379 | FlexibilityNo cancel fee | On-time71% |