HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$56+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — ONT
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 July, booked 69 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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$125
(Kiwi.com)

One-way from

$56
(Trip.com)

Popular in

May

Cheapest in

June

Average price

$372
Provider with most accurate pricing for Oklahoma City Will Rogers World-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Oklahoma City Will Rogers World-Ontario flights.
Search Deals
From Oklahoma City Will Rogers World to Ontario
Search Deals
One-way flight from Oklahoma City Will Rogers World to Ontario
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from Oklahoma City to Ontario

Cheapest flights from Oklahoma City to Ontario
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 October 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/16. 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.
Mon 12/88:29 pmOKC - ONT
2 stops26h 48mFrontier
Thu 12/1112:04 pmONT - OKC
1 stop5h 28mFrontier
Deal found 10/16$131
This Frontier deal was found by Cheapflights users on 10/15. 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.
Sat 10/255:33 pmOKC - ONT
1 stop8h 17mFrontier
Mon 10/276:53 amONT - OKC
1 stop9h 41mFrontier
Deal found 10/15$152
This Booking.com deal was found by Cheapflights users on 10/15. 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 10/2411:02 amOKC - ONT
1 stop14h 48mFrontier
Sun 10/266:53 amONT - OKC
1 stop24h 59mFrontier
Deal found 10/15$166
This Mytrip deal was found by Cheapflights users on 10/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:21 pmOKC - ONT
1 stop6h 29mFrontier
Mon 10/276:53 amONT - OKC
1 stop9h 41mFrontier
Deal found 10/15$183
This Frontier deal was found by Cheapflights users on 10/16. 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.
Mon 12/85:02 pmOKC - ONT
1 stop6h 15mFrontier
Mon 12/156:15 amONT - OKC
1 stop7h 52mFrontier
Deal found 10/16$190
This Kiwi.com deal was found by Cheapflights users on 10/15. 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.
Sun 11/97:59 pmOKC - ONT
2 stops13h 18mFrontier
Thu 11/137:44 pmONT - OKC
1 stop20h 11mFrontier
Deal found 10/15$192
This Frontier deal was found by Cheapflights users on 10/16. 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 11/147:45 pmOKC - ONT
1 stop6h 05mFrontier
Mon 11/176:53 amONT - OKC
1 stop10h 37mFrontier
Deal found 10/16$250
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 10/255:33 pmOKC - ONT
2 stops26h 16mFrontier
Tue 10/286:53 amONT - OKC
1 stop10h 07mFrontier
Deal found 10/15$254
This Mytrip deal was found by Cheapflights users on 10/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/217:18 pmOKC - ONT
1 stop6h 39mFrontier
Sun 11/2312:58 amONT - OKC
1 stop16h 36mFrontier
Deal found 10/16$310

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 October 16, 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

Mon 12/8

8:29 pm-9:17 pm

2 stops26h 48m

Ontario

Thu 12/11

12:04 pm-7:32 pm

1 stop5h 28m

$131

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Sun 11/9

7:59 pm-11:10 am

1 stop17h 11m

Ontario

Thu 11/13

6:53 am-7:00 pm

1 stop10h 07m

$154

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Tue 11/11

7:51 pm-9:29 pm

1 stop27h 38m

Ontario

Tue 11/18

8:45 am-6:21 pm

1 stop7h 36m

$154

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Fri 10/24

11:02 am-11:50 pm

1 stop14h 48m

Ontario

Sun 10/26

6:53 am-9:52 am

1 stop24h 59m

$166

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Mon 11/17

8:15 pm-11:50 pm

1 stop5h 35m

Ontario

Wed 11/19

12:58 am-6:33 pm

1 stop15h 35m

$192

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Fri 12/12

5:02 pm-9:17 pm

1 stop6h 15m

Ontario

Mon 12/15

6:15 am-4:07 pm

1 stop7h 52m

$250

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Fri 11/14

7:45 pm-11:50 pm

1 stop6h 05m

Ontario

Mon 11/17

6:53 am-7:30 pm

1 stop10h 37m

$250

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Fri 11/21

7:18 pm-11:57 pm

1 stop6h 39m

Ontario

Sun 11/23

12:58 am-7:34 pm

1 stop16h 36m

$310

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Fri 1/9

8:29 pm-10:40 pm

1 stop28h 11m

Ontario

Mon 1/12

6:00 am-7:32 pm

1 stop11h 32m

$322

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Fri 10/24

7:21 pm-11:50 pm

1 stop6h 29m

Ontario

Fri 10/31

6:53 am-7:00 pm

1 stop10h 07m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 21 results
1
2
3

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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 October 10, 2025.

The best time to book flights from Oklahoma City to Ontario is 69 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, June is the cheapest month in which you can book a flight from Oklahoma City to Ontario (average of $116). Flying from Oklahoma City to Ontario in May is currently the most expensive (average of $188). 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 October 16, 2025.

It’s typically best to fly out from Oklahoma City to Ontario in the evening. Doing so could potentially save you 27% 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. Sunday afternoons 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 October 16, 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.
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,982 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,040 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,137 reviews
Southwest
8.0
Very good
4,240 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • How long is the flight from Oklahoma City to Ontario?

    A quick flight from Oklahoma City to Ontario can take about 26h 48m. Frontier provides one of the quickest options available for as low as $131. Oklahoma City and Ontario are separated by a distance of 1137 mi.

  • What are the cheapest airlines flying from Oklahoma City to Ontario round-trip?

    Currently priced at $138, Frontier will fly you from Oklahoma City to Ontario and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Southwest - these airlines can fly you to your destination from $158 and $200, respectively. Frontier is priced at 58% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Oklahoma City to Ontario that include hotel bookings?

    Yes. In addition to deals on Oklahoma City to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oklahoma City to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oklahoma City to Ontario.

  • Can I find deals for business class flights from Oklahoma City to Ontario?

    Yes. Cheapflights offers flight deals from Oklahoma City to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oklahoma City to Ontario?

    Currently, June is the cheapest month in which you can book a flight from Oklahoma City to Ontario (average of $116). Flying from Oklahoma City to Ontario in May is currently the most expensive (average of $188). 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.

See more FAQs

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 Oklahoma City to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Las Vegas flights
Dallas/Fort Worth to Los Angeles flights
Dallas/Fort Worth to San Francisco flights
Dallas/Fort Worth to Ontario flights
Dallas/Fort Worth to San Diego flights
Dallas/Fort Worth to Santa Ana flights
Dallas/Fort Worth to San Jose flights
Dallas/Fort Worth to Sacramento flights
Dallas/Fort Worth to Burbank flights
Oklahoma City to Las Vegas flights
Dallas/Fort Worth to Oakland flights
Dallas/Fort Worth to Palm Springs flights
Oklahoma City to Los Angeles flights
Dallas/Fort Worth to Reno flights
Tulsa to Los Angeles flights
Fayetteville to Las Vegas flights
Tulsa to Las Vegas flights
Dallas/Fort Worth to Fresno flights
Fayetteville to Los Angeles flights
Dallas/Fort Worth to Long Beach flights
Fayetteville to San Francisco flights
Tulsa to Ontario flights
Fayetteville to Santa Ana flights
Fayetteville to San Jose flights
Fayetteville to Ontario flights
Dallas/Fort Worth to Santa Barbara flights
Oklahoma City to San Diego flights
Oklahoma City to San Francisco flights
Fayetteville to San Diego flights
Dallas/Fort Worth to San Luis Obispo flights
Dallas/Fort Worth to Santa Rosa flights
Tulsa to San Diego flights
Tulsa to Santa Ana flights
Tulsa to Burbank flights
Dallas/Fort Worth to Monterey flights
Tulsa to San Francisco flights
Fayetteville to Palm Springs flights
Tulsa to Sacramento flights
Dallas/Fort Worth to Yuma flights
Tulsa to Long Beach flights
Oklahoma City to Sacramento flights
Tulsa to Palm Springs flights
Oklahoma City to Santa Ana flights
Oklahoma City to Fresno flights
Dallas/Fort Worth to Bakersfield flights
Fayetteville to Fresno flights
Fayetteville to Sacramento flights
Tulsa to Bakersfield flights
Tulsa to Fresno flights

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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$138Average$226FlexibilityNo cancel feeOn-time62%
DeltaCheapest$158Average$316FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$200Average$364FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$266Average$373FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.