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$70+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — ONT
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Oklahoma City Will Rogers World to Ontario are usually found in September or June, booked 66 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 July 29, 2025.

Round-trip from

$198
(Frontier)

One-way from

$70
(Trip.com)

Popular in

May

Cheapest in

September

Average price

$266
From Oklahoma City Will Rogers World to Ontario
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One-way flight from Oklahoma City Will Rogers World to Ontario
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Highest demand for flights based on searches. 4% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 29, 2025.

This Frontier deal was found by Cheapflights users on 7/27. 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 8/233:36 pmOKC - ONT
1 stop10h 14mFrontier
Fri 8/2912:59 amONT - OKC
1 stop11h 47mFrontier
Deal found 7/27$198
This Delta deal was found by Cheapflights users on 7/28. 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.
Sat 8/306:28 pmOKC - ONT
1 stop6h 12mDelta
Wed 9/34:50 pmONT - OKC
1 stop5h 06mDelta
Deal found 7/28$267
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Sat 8/236:11 amOKC - ONT
2 stops7h 21mAmerican Airlines
Sat 8/3012:22 pmONT - OKC
2 stops8h 10mAmerican Airlines
Deal found 7/27$277
This Orbitz deal was found by Cheapflights users on 7/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/176:05 amOKC - ONT
1 stop5h 04mMultiple Airlines
Tue 8/192:21 pmONT - OKC
1 stop7h 19mMultiple Airlines
Deal found 7/27$297
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Wed 10/224:07 pmOKC - ONT
1 stop8h 23mUnited Airlines
Sat 10/259:36 amONT - OKC
2 stops11h 39mUnited Airlines
Deal found 7/27$352
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 8/147:00 amOKC - ONT
1 stop9h 46mAlaska Airlines
Mon 8/182:22 pmONT - OKC
1 stop7h 18mAlaska Airlines
Deal found 7/28$426

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 July 29, 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

Sat 8/23

3:36 pm-11:50 pm

1 stop10h 14m

Ontario

Fri 8/29

12:59 am-2:46 pm

1 stop11h 47m

$198

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Sat 8/30

6:28 pm-10:40 pm

1 stop6h 12m

Ontario

Wed 9/3

4:50 pm-11:56 pm

1 stop5h 06m

$267

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Sat 8/30

12:02 pm-5:50 pm

2 stops7h 48m

Ontario

Wed 9/3

2:54 pm-10:41 pm

1 stop5h 47m

$272

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Sun 8/17

6:05 am-9:09 am

1 stop5h 04m

Ontario

Tue 8/19

2:21 pm-11:40 pm

1 stop7h 19m

$297

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Wed 10/22

4:07 pm-10:30 pm

1 stop8h 23m

Ontario

Sat 10/25

9:36 am-11:15 pm

2 stops11h 39m

$352

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Thu 8/14

7:00 am-2:46 pm

1 stop9h 46m

Ontario

Mon 8/18

2:22 pm-11:40 pm

1 stop7h 18m

$426

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Wed 11/26

9:10 pm-11:55 pm

1 stop4h 45m

Ontario

Sun 11/30

7:05 am-8:35 pm

1 stop11h 30m

$434

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Wed 8/6

6:05 am-11:50 pm

1 stop19h 45m

$70

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Sat 8/30

12:02 pm-5:50 pm

2 stops7h 48m

$139

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Tue 8/26

5:17 pm-8:43 pm

1 stop5h 26m

$174

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 13 results
1
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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 July 25, 2025.

The best time to book flights from Oklahoma City to Ontario is 66 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 July 29, 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 July 29, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,979 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    Currently priced at $198, 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 American Airlines - these airlines can fly you to your destination from $267 and $272, respectively. Frontier is priced at 39% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Oklahoma City to Ontario one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $70. American Airlines flights start at $139 while deals on United Airlines start at $174 one-way.

  • 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, 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.

See more FAQs

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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$113Average$214FlexibilityNo cancel feeOn-time62%
DeltaCheapest$158Average$306FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$266Average$357FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$266Average$384FlexibilityNo cancel feeOn-time71%

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