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$72+ Cheap flights from Ontario (ONT) to Oklahoma

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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — OKC
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Ontario to Oklahoma

Keep the following information in mind while searching for Ontario to Oklahoma flight deals. Data was last updated July 31, 2025.

Round-trip from

$140
(Frontier)

One-way from

$72
(Frontier)

Popular in

December

Cheapest in

April

Average price

$417
From Ontario to Oklahoma
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One-way flight from Ontario to Oklahoma
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Highest demand for flights based on searches. 6% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 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 Ontario to Oklahoma

Cheapest flights from Ontario to Oklahoma
Explore the most affordable flight options available from Ontario to Oklahoma. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Frontier deal was found by Cheapflights users on 7/31. 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 9/512:13 pmONT - DFW
Nonstop3h 14mFrontier
Mon 9/810:10 amDFW - ONT
Nonstop3h 18mFrontier
Deal found 7/31$140
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 8/272:57 pmONT - DFW
Nonstop3h 03mAmerican Airlines
Wed 9/38:53 amDFW - ONT
Nonstop3h 10mAmerican Airlines
Deal found 7/30$149
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/55:21 pmONT - OKC
1 stop27h 17mFrontier
Wed 8/136:05 amOKC - ONT
1 stop19h 45mFrontier
Deal found 7/30$205
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/178:59 pmONT - XNA
1 stop20h 15mFrontier
Sun 9/217:59 pmXNA - ONT
1 stop13h 54mFrontier
Deal found 7/30$235
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Thu 9/48:15 amONT - TUL
1 stop6h 38mAmerican Airlines
Sat 9/67:41 amTUL - ONT
1 stop8h 13mAmerican Airlines
Deal found 7/31$237
This Delta deal was found by Cheapflights users on 7/31. 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.
Tue 11/1110:59 pmONT - TUL
1 stop8h 26mDelta
Tue 11/185:55 amTUL - ONT
1 stop7h 29mDelta
Deal found 7/31$257
This American Airlines deal was found by Cheapflights users on 7/29. 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 8/2310:50 amONT - XNA
1 stop5h 11mAmerican Airlines
Sat 8/3010:15 amXNA - ONT
1 stop5h 24mAmerican Airlines
Deal found 7/29$267
This Delta deal was found by Cheapflights users on 7/31. 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.
Tue 8/2611:45 amONT - OKC
1 stop10h 14mDelta
Tue 9/96:28 pmOKC - ONT
1 stop6h 12mDelta
Deal found 7/31$267
This Delta deal was found by Cheapflights users on 7/29. 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.
Wed 8/2010:00 pmONT - XNA
1 stop9h 10mDelta
Mon 8/2512:30 pmXNA - ONT
1 stop8h 41mDelta
Deal found 7/29$269
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Tue 8/262:57 pmONT - OKC
1 stop5h 35mAmerican Airlines
Sat 9/69:00 amOKC - ONT
2 stops11h 16mAmerican Airlines
Deal found 7/31$272
This Southwest deal was found by Cheapflights users on 7/31. 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 11/132:15 pmONT - TUL
1 stop6h 40mSouthwest
Mon 11/1710:10 amTUL - ONT
2 stops11h 05mSouthwest
Deal found 7/31$275
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Tue 8/261:15 pmONT - OKC
1 stop7h 51mUnited Airlines
Thu 9/44:10 pmOKC - ONT
1 stop8h 20mUnited Airlines
Deal found 7/31$282

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Oklahoma 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 31, 2025.
Use the filters below to find and compare flights from Ontario to Oklahoma that are best for you.

Fly from

Ontario

Fly to

Oklahoma

Route

Depart

Return

Price

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Fri 9/5

12:13 pm-5:27 pm

Nonstop3h 14m

Dallas/Fort Worth

Mon 9/8

10:10 am-11:28 am

Nonstop3h 18m

$140

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Fri 9/5

12:45 pm-5:49 pm

Nonstop3h 04m

Dallas/Fort Worth

Sat 9/6

10:35 am-11:57 am

Nonstop3h 22m

$149

OntarioOklahoma City

ONT - OKC

ONTOKC

Ontario

Tue 8/5

12:59 am-10:38 pm

1 stop19h 39m

Oklahoma City Will Rogers World

Sat 8/9

6:05 am-9:09 am

1 stop5h 04m

$205

OntarioFayetteville

ONT - XNA

ONTXNA

Ontario

Wed 9/17

8:59 pm-7:14 pm

1 stop20h 15m

Fayetteville Northwest Arkansas

Sun 9/21

7:59 pm-7:53 am

1 stop13h 54m

$235

OntarioTulsa

ONT - TUL

ONTTUL

Ontario

Tue 11/11

10:59 pm-9:25 am

1 stop8h 26m

Tulsa

Tue 11/18

5:55 am-11:24 am

1 stop7h 29m

$257

OntarioTulsa

ONT - TUL

ONTTUL

Ontario

Thu 11/13

3:40 pm-10:15 pm

1 stop4h 35m

Tulsa

Mon 11/17

7:50 am-12:00 pm

1 stop6h 10m

$264

OntarioFayetteville

ONT - XNA

ONTXNA

Ontario

Sat 8/23

10:50 am-6:01 pm

1 stop5h 11m

Fayetteville Northwest Arkansas

Sat 8/30

10:15 am-1:39 pm

1 stop5h 24m

$267

OntarioOklahoma City

ONT - OKC

ONTOKC

Ontario

Tue 8/26

11:45 am-11:59 pm

1 stop10h 14m

Oklahoma City Will Rogers World

Tue 9/9

6:28 pm-10:40 pm

1 stop6h 12m

$267

OntarioTulsa

ONT - TUL

ONTTUL

Ontario

Tue 10/14

6:15 am-5:45 pm

2 stops9h 30m

Tulsa

Wed 10/15

5:00 am-10:07 am

1 stop7h 07m

$269

OntarioFayetteville

ONT - XNA

ONTXNA

Ontario

Wed 8/20

10:00 pm-9:10 am

1 stop9h 10m

Fayetteville Northwest Arkansas

Mon 8/25

12:30 pm-7:11 pm

1 stop8h 41m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 40 results
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Best time to book a flight from Ontario to Oklahoma

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

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

Currently, January is the cheapest month in which you can book a flight from Ontario to Oklahoma (average of $348). Flying from Ontario to Oklahoma in June is currently the most expensive (average of $401). 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 ONT to OK?

Find hourly flight availability from Ontario to Oklahoma. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Oklahoma as you normally would.

Reviews of airlines servicing Oklahoma

Get insights into the airlines that provide service to Oklahoma. 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 Oklahoma. Reviews last updated July 31, 2025.
Read through reviews of airlines operating flights from Ontario to Oklahoma, such as Alaska Airlines, Southwest, and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

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

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

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
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

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
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

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
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

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 Ontario to Oklahoma. 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 from for flights from Ontario to Oklahoma?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Oklahoma.

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

    One-way options have recently been found by users for as low as $72 on Frontier. Other airlines that offer cheap prices include American Airlines from $80 and Hawaiian Airlines from $94 one-way.

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

    The most popular flight routes from Ontario to Oklahoma are Ontario - Dallas/Fort Worth, Ontario - Oklahoma City Will Rogers World and Ontario - Fayetteville Northwest Arkansas.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Oklahoma 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 Ontario to Oklahoma?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Oklahoma (average of $348). Flying from Ontario to Oklahoma in June is currently the most expensive (average of $401). 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 Ontario to Oklahoma

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Ontario to Oklahoma

Discover the top 4 airlines that operate flights from Ontario to Oklahoma. 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 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$198FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$266Average$396FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$278Average$410FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$346Average$386FlexibilityNo cancel feeOn-time69%

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