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$90+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — ONT
May 17 — May 241
Sat 5/17
Sat 5/24
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 May, 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 May 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Priceline
3 stars

Round-trip from

$200
(Frontier)

One-way from

$90
(Trip.com)

Popular in

March

Cheapest in

September

Average price

$275
Provider with most accurate pricing for Oklahoma City Will Rogers World-Ontario flight deals.
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Provider most trusted by Cheapflights users for Oklahoma City Will Rogers World-Ontario flights.
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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. 11% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 12, 2025.

This Frontier deal was found by Cheapflights users on 5/11. 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.
Thu 6/58:27 pmOKC - ONT
1 stop5h 23mFrontier
Sun 6/86:00 amONT - OKC
1 stop9h 39mFrontier
Deal found 5/11$200
This Delta deal was found by Cheapflights users on 5/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/235:20 amOKC - ONT
1 stop7h 47mDelta
Sat 8/309:55 amONT - OKC
2 stops11h 52mDelta
Deal found 5/12$272
This American Airlines deal was found by Cheapflights users on 5/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/276:57 pmOKC - ONT
1 stop6h 05mAmerican Airlines
Tue 7/112:55 pmONT - OKC
2 stops8h 00mAmerican Airlines
Deal found 5/11$332
This United Airlines deal was found by Cheapflights users on 5/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/75:15 pmOKC - ONT
1 stop5h 55mUnited Airlines
Wed 6/115:10 amONT - OKC
1 stop5h 56mUnited Airlines
Deal found 5/12$347
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/42:50 pmOKC - ONT
1 stop9h 47mAlaska Airlines
Sat 11/86:00 pmONT - OKC
2 stops17h 54mAlaska Airlines
Deal found 5/11$396
This Southwest deal was found by Cheapflights users on 5/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:00 amOKC - ONT
2 stops8h 40mSouthwest
Sun 9/75:10 amONT - OKC
2 stops15h 30mSouthwest
Deal found 5/12$463
This Orbitz deal was found by Cheapflights users on 5/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/148:05 pmOKC - ONT
1 stop5h 03mMultiple Airlines
Wed 5/217:30 amONT - OKC
2 stops12h 14mMultiple Airlines
Deal found 5/11$575

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 May 12, 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

Thu 6/5

8:27 pm-11:50 pm

1 stop5h 23m

Ontario

Sun 6/8

6:00 am-5:39 pm

1 stop9h 39m

$200

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Tue 5/27

6:30 pm-11:42 pm

1 stop7h 12m

Ontario

Wed 6/4

10:01 am-5:50 pm

1 stop5h 49m

$282

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Fri 6/27

6:57 pm-11:02 pm

1 stop6h 05m

Ontario

Tue 7/1

12:55 pm-10:55 pm

2 stops8h 00m

$332

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Sat 6/7

5:15 pm-9:10 pm

1 stop5h 55m

Ontario

Wed 6/11

5:10 am-1:06 pm

1 stop5h 56m

$347

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Tue 5/27

2:43 pm-9:17 am

2 stops20h 34m

Ontario

Thu 6/5

4:45 pm-1:47 pm

1 stop19h 02m

$474

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Mon 6/9

1:55 pm-8:51 pm

1 stop8h 56m

$90

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Tue 6/3

2:43 pm-10:46 pm

1 stop10h 03m

$134

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Wed 7/9

1:55 pm-11:42 pm

2 stops11h 47m

$165

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Tue 6/3

2:00 pm-10:45 pm

2 stops10h 45m

$179

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Fri 7/4

5:00 am-11:55 am

2 stops8h 55m

$215

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars

*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 Priceline the most. Priceline 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 May 9, 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 May 12, 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 May 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Oklahoma City to Ontario to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.9

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

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.9

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
4,290 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.9

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,431 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.9

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
8,724 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.9

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 $200, 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 $272 and $332, respectively. Frontier is priced at 38% 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 $90. Alaska Airlines flights start at $134 while deals on Delta start at $139 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.

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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 May 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$113Average$196FlexibilityNo cancel feeOn-time62%
DeltaCheapest$158Average$316FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$291Average$386FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$309Average$366FlexibilityNo cancel feeOn-time63%

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