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$67+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — ONT
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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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 January 8, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$137
(CheapOair)

One-way from

$67
(Trip.com)

Popular in

May

Cheapest in

June

Average price

$368
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. 3% potential increase in price ($10 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 January 2026
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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 January 8, 2026.

This CheapOair deal was found by Cheapflights users on 1/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/127:12 pmOKC - ONT
1 stop20h 14mFrontier
Wed 2/187:17 pmONT - OKC
1 stop21h 00mFrontier
Deal found 1/7$137
This Frontier deal was found by Cheapflights users on 1/6. 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 1/268:29 pmOKC - ONT
1 stop5h 51mFrontier
Thu 1/296:20 amONT - OKC
1 stop11h 25mFrontier
Deal found 1/6$144
This CheapOair deal was found by Cheapflights users on 1/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/197:12 pmOKC - ONT
1 stop14h 10mFrontier
Thu 2/266:05 amONT - OKC
1 stop11h 40mFrontier
Deal found 1/7$145
This Frontier deal was found by Cheapflights users on 1/7. 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.
Sat 3/78:30 pmOKC - ONT
1 stop5h 31mFrontier
Wed 3/116:15 amONT - OKC
1 stop11h 30mFrontier
Deal found 1/7$150
This CheapOair deal was found by Cheapflights users on 1/6. 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.
Thu 1/221:42 pmOKC - ONT
1 stop21h 41mFrontier
Wed 1/283:07 pmONT - OKC
1 stop19h 40mFrontier
Deal found 1/6$155
This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
Fri 2/68:29 pmOKC - ONT
1 stop5h 51mFrontier
Sun 2/88:27 pmONT - OKC
1 stop13h 03mFrontier
Deal found 1/6$157
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/291:42 pmOKC - ONT
1 stop8h 11mFrontier
Sun 2/18:27 pmONT - OKC
1 stop13h 03mFrontier
Deal found 1/7$160
This Frontier deal was found by Cheapflights users on 1/7. 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 3/58:30 pmOKC - ONT
1 stop5h 29mFrontier
Sat 3/76:15 amONT - OKC
1 stop11h 30mFrontier
Deal found 1/7$174
This Frontier deal was found by Cheapflights users on 1/7. 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 1/228:30 pmOKC - ONT
1 stop5h 50mFrontier
Sun 1/256:20 amONT - OKC
1 stop11h 24mFrontier
Deal found 1/7$177
This CheapOair deal was found by Cheapflights users on 1/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/238:29 pmOKC - ONT
1 stop5h 51mFrontier
Mon 1/266:20 amONT - OKC
1 stop11h 24mFrontier
Deal found 1/7$178

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 January 8, 2026.
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 2/12

7:12 pm-7:22 am

1 stop14h 10m

Ontario

Wed 2/18

7:17 pm-6:17 pm

1 stop21h 00m

$137

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Thu 1/22

1:42 pm-9:23 am

1 stop21h 41m

Ontario

Wed 1/28

3:07 pm-12:47 pm

1 stop19h 40m

$155

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Mon 3/9

11:24 am-3:19 pm

1 stop5h 55m

Ontario

Wed 3/11

6:15 am-7:45 pm

1 stop11h 30m

$174

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Wed 3/25

8:30 pm-11:59 pm

1 stop5h 29m

Ontario

Mon 3/30

6:15 am-7:45 pm

1 stop11h 30m

$185

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Sat 3/7

8:30 pm-12:01 am

1 stop5h 31m

Ontario

Thu 3/12

6:15 am-7:45 pm

1 stop11h 30m

$185

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Fri 1/30

8:29 pm-12:20 am

1 stop5h 51m

Ontario

Mon 2/2

6:20 am-7:44 pm

1 stop11h 24m

$188

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Thu 3/5

8:30 pm-11:59 pm

1 stop5h 29m

Ontario

Mon 3/9

6:15 am-7:45 pm

1 stop11h 30m

$198

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Thu 2/26

8:30 pm-11:59 pm

1 stop5h 29m

Ontario

Mon 3/2

6:10 am-7:45 pm

1 stop11h 35m

$201

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Fri 2/13

11:19 am-1:11 pm

1 stop27h 52m

Ontario

Thu 2/19

2:08 pm-7:45 pm

1 stop27h 37m

$204

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Fri 2/13

8:30 pm-1:11 pm

2 stops18h 41m

Ontario

Wed 2/18

7:17 pm-6:17 pm

1 stop21h 00m

$205

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 22 results
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Oklahoma City-Ontario flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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 January 2, 2026.

The best time to book flights from Oklahoma City to Ontario is 45 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 $114). 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.

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 January 8, 2026.
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
4,250 reviews

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

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
4,250 reviews
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

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
7.9
Good
8,029 reviews
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

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
11,095 reviews
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

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
5.7
Fair
3,061 reviews
Southwest
8.0
Very good
4,250 reviews

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

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 popular is this Oklahoma City to Ontario flight route?

    Within the past month, 1 users have taken a look at flights from Oklahoma City Will Rogers World to Ontario.

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

    A quick flight from Oklahoma City to Ontario can take about 14h 10m. Frontier provides one of the quickest options available for as low as $137. 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 $125, 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 $196, respectively. Frontier is priced at 62% 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 $72. Southwest flights start at $84 while deals on American Airlines start at $131 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, June is the cheapest month in which you can book a flight from Oklahoma City to Ontario (average of $114). 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

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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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$134Average$237FlexibilityNo cancel feeOn-time62%
DeltaCheapest$158Average$266FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$196Average$355FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$266Average$382FlexibilityNo cancel feeOn-time71%

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