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$67+ Cheap flights from Oklahoma to Ontario (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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — ONT
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Oklahoma to Ontario

Cheapest flights from Oklahoma to Ontario
Explore the most affordable flight options available from Oklahoma to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This Super.com deal was found by Cheapflights users on 12/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:29 amDFW - ONT
Nonstop3h 24mFrontier
Wed 1/77:00 amONT - DFW
1 stop6h 27mFrontier
Deal found 12/14$130
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Wed 12/3110:47 pmDFW - ONT
1 stop24h 30mFrontier
Thu 1/88:31 amONT - DFW
Nonstop3h 01mFrontier
Deal found 12/13$144
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Wed 12/3110:47 pmDFW - ONT
1 stop24h 30mFrontier
Tue 1/64:04 pmONT - DFW
1 stop21h 07mFrontier
Deal found 12/13$163
This CheapOair deal was found by Cheapflights users on 12/14. 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.
Wed 12/3110:47 pmDFW - ONT
1 stop24h 30mFrontier
Mon 1/56:00 pmONT - DFW
1 stop21h 14mFrontier
Deal found 12/14$165
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/257:29 amDFW - ONT
Nonstop3h 24mFrontier
Wed 12/314:22 pmONT - DFW
Nonstop3h 01mFrontier
Deal found 12/14$169
This CheapOair deal was found by Cheapflights users on 12/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:47 pmDFW - ONT
1 stop24h 30mFrontier
Wed 1/710:45 amONT - DFW
1 stop22h 22mFrontier
Deal found 12/12$174
This Mytrip deal was found by Cheapflights users on 12/14. 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.
Thu 12/257:29 amDFW - ONT
Nonstop3h 24mFrontier
Tue 12/306:17 pmONT - DFW
1 stop17h 07mFrontier
Deal found 12/14$192
This Frontier deal was found by Cheapflights users on 12/14. 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.
Wed 12/247:43 pmDFW - ONT
1 stop6h 16mFrontier
Thu 12/259:48 amONT - DFW
Nonstop2h 59mFrontier
Deal found 12/14$205
This Frontier deal was found by Cheapflights users on 12/14. 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 12/183:56 pmDFW - ONT
1 stop10h 03mFrontier
Thu 1/88:31 amONT - DFW
Nonstop3h 01mFrontier
Deal found 12/14$211
This Frontier deal was found by Cheapflights users on 12/14. 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 12/257:29 amDFW - ONT
Nonstop3h 24mFrontier
Mon 12/296:00 amONT - DFW
1 stop8h 39mFrontier
Deal found 12/14$212
This Priceline deal was found by Cheapflights users on 12/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:02 pmOKC - ONT
1 stop6h 15mFrontier
Tue 12/306:00 amONT - OKC
1 stop8h 07mFrontier
Deal found 12/14$224
This CheapOair deal was found by Cheapflights users on 12/13. 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 12/262:18 pmOKC - ONT
1 stop11h 41mFrontier
Mon 12/296:00 pmONT - OKC
1 stop20h 07mFrontier
Deal found 12/13$259

Find flight deals from Oklahoma to Ontario

Keep the following information in mind while searching for Oklahoma to Ontario flight deals. Data was last updated December 15, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$84
(Frontier)

One-way from

$67
(Trip.com)

Popular in

March

Cheapest in

September

Average price

$456
Provider with most accurate pricing for Oklahoma City Will Rogers World-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Oklahoma City Will Rogers World-Los Angeles flights.
Search Deals
From Oklahoma to Ontario
Search Deals
One-way flight from Oklahoma to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oklahoma 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 December 15, 2025.
Use the filters below to find and compare flights from Oklahoma to Ontario that are best for you.

Fly from

Oklahoma

Fly to

Ontario

Route

Depart

Return

Price

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Sat 1/17

3:19 pm-10:59 pm

1 stop9h 40m

Ontario

Thu 1/22

6:20 am-7:45 pm

1 stop11h 25m

$192

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Sun 1/11

8:29 pm-11:56 pm

1 stop5h 27m

Ontario

Thu 1/15

6:10 am-7:44 pm

1 stop11h 34m

$217

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Thu 2/5

1:42 pm-7:53 pm

1 stop8h 11m

Ontario

Sun 2/8

6:20 am-7:44 pm

1 stop11h 24m

$217

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Sat 1/31

4:25 pm-10:51 pm

1 stop8h 26m

Ontario

Sat 2/7

7:30 am-9:16 pm

2 stops11h 46m

$222

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Wed 2/4

12:30 pm-10:44 pm

2 stops12h 14m

Ontario

Sat 2/7

7:30 am-9:16 pm

2 stops11h 46m

$227

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Sun 1/18

8:10 am-12:16 pm

1 stop6h 06m

Ontario

Mon 2/2

10:30 pm-10:46 am

1 stop10h 16m

$243

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Wed 1/21

5:25 am-11:31 am

1 stop8h 06m

Ontario

Mon 2/2

10:30 pm-9:01 am

1 stop8h 31m

$243

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Tue 1/6

6:01 pm-10:38 pm

1 stop6h 37m

Ontario

Mon 1/12

10:30 pm-9:03 am

1 stop8h 33m

$244

TulsaOntario

TUL - ONT

TULONT

Tulsa

Sat 2/14

5:00 am-11:38 am

2 stops8h 38m

Ontario

Wed 2/18

5:06 pm-11:49 pm

1 stop4h 43m

$248

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Wed 1/14

2:59 pm-10:38 pm

2 stops9h 39m

Ontario

Thu 1/15

10:30 pm-9:03 am

1 stop8h 33m

$248

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 60 results
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Best time to book a flight from Oklahoma to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Oklahoma 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 to Ontario

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

Currently, April is the cheapest month in which you can book a flight from Oklahoma to Ontario (average of $110). Flying from Oklahoma to Ontario in October is currently the most expensive (average of $155). 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 OK to ONT?

Find hourly flight availability from Oklahoma 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 December 15, 2025.

When flying from Oklahoma to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 23% versus a flight in the morning.

What is the cheapest day to fly from Oklahoma to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Oklahoma to Ontario. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Oklahoma 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.

Related info for your journey

Find useful and relevant information for your journey from Oklahoma to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from Oklahoma?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Oklahoma. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • How popular is this Oklahoma to Ontario flight route?

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

  • How long is the flight from Oklahoma to Ontario?

    A quick flight from Oklahoma to Ontario can take about 8h 26m. Frontier provides one of the quickest options available for as low as $222. Airlines will cover a distance of 1185 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $72. Users have also found prices from $84 and $100 on Southwest and American Airlines, respectively.

  • What are the most popular routes from Oklahoma to Ontario?

    When deciding which route to take from Oklahoma to Ontario consider Dallas/Fort Worth - Ontario, Oklahoma City Will Rogers World - Ontario or Fayetteville Northwest Arkansas - Ontario as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oklahoma 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 to Ontario?

    Currently, April is the cheapest month in which you can book a flight from Oklahoma to Ontario (average of $110). Flying from Oklahoma to Ontario in October is currently the most expensive (average of $155). 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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Alternative routes for Oklahoma to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Oklahoma to Ontario

Discover the top 5 airlines that operate flights from Oklahoma 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$134Average$226FlexibilityNo cancel feeOn-time62%
DeltaCheapest$158Average$316FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$200Average$377FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$226Average$372FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$266Average$384FlexibilityNo cancel feeOn-time71%

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