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$60+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — OKC
Jan 13 — Jan 201
Tue 1/13
Tue 1/20
1 adult, Economy
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Cheap 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 December 14, 2025.

This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:16 pmONT - DFW
Nonstop3h 01mFrontier
Sat 1/313:03 pmDFW - ONT
1 stop10h 21mFrontier
Deal found 12/12$144
This Frontier deal was found by Cheapflights users on 12/11. 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 12/254:16 pmONT - DFW
Nonstop3h 01mFrontier
Sun 1/1112:17 pmDFW - ONT
Nonstop3h 22mFrontier
Deal found 12/11$149
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:54 pmONT - DFW
1 stop9h 49mFrontier
Tue 1/1311:48 amDFW - ONT
1 stop13h 11mFrontier
Deal found 12/11$160
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:16 pmONT - DFW
Nonstop3h 01mFrontier
Fri 1/210:47 pmDFW - ONT
1 stop26h 34mFrontier
Deal found 12/12$162
This CheapOair deal was found by Cheapflights users on 12/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:54 pmONT - DFW
1 stop15h 23mFrontier
Fri 1/210:47 pmDFW - ONT
1 stop26h 34mFrontier
Deal found 12/11$165
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:54 pmONT - DFW
1 stop9h 49mMultiple Airlines
Thu 1/85:40 pmDFW - ONT
1 stop15h 56mMultiple Airlines
Deal found 12/11$168
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:54 pmONT - DFW
1 stop9h 49mFrontier
Sat 1/108:00 amDFW - ONT
1 stop8h 26mFrontier
Deal found 12/11$169
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:16 pmONT - DFW
Nonstop3h 01mFrontier
Mon 1/55:44 pmDFW - ONT
1 stop5h 33mFrontier
Deal found 12/12$171
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:00 pmONT - DFW
1 stop9h 43mFrontier
Fri 1/210:47 pmDFW - ONT
1 stop26h 34mFrontier
Deal found 12/12$173
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.
Tue 12/236:00 amONT - DFW
1 stop21h 43mFrontier
Fri 1/210:47 pmDFW - ONT
1 stop26h 34mFrontier
Deal found 12/12$174
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.
Wed 12/316:45 amONT - DFW
1 stop24h 59mFrontier
Sun 1/410:47 pmDFW - ONT
1 stop20h 28mFrontier
Deal found 12/14$177
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:16 pmONT - OKC
1 stop19h 58mFrontier
Fri 1/22:18 pmOKC - ONT
1 stop11h 41mFrontier
Deal found 12/12$198

Find flight deals from Ontario to Oklahoma

Keep the following information in mind while searching for Ontario to Oklahoma flight deals. Data was last updated December 14, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$140
(Frontier)

One-way from

$60
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$500
Provider with most accurate pricing for Los Angeles-Oklahoma City Will Rogers World flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Oklahoma City Will Rogers World flights.
Search Deals
From Ontario to Oklahoma
Search Deals
One-way flight from Ontario to Oklahoma
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 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 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 December 14, 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

OntarioOklahoma City

ONT - OKC

ONTOKC

Ontario

Tue 1/6

7:00 am-1:58 pm

1 stop4h 58m

Oklahoma City Will Rogers World

Sat 1/10

3:53 pm-11:14 pm

1 stop9h 21m

$173

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Fri 2/27

2:21 pm-7:26 pm

Nonstop3h 05m

Dallas/Fort Worth

Sun 3/1

1:00 pm-2:29 pm

Nonstop3h 29m

$180

OntarioOklahoma City

ONT - OKC

ONTOKC

Ontario

Thu 1/8

6:00 am-7:38 pm

1 stop11h 38m

Oklahoma City Will Rogers World

Sat 1/10

3:53 pm-11:14 pm

1 stop9h 21m

$182

OntarioOklahoma City

ONT - OKC

ONTOKC

Ontario

Thu 1/8

6:00 am-7:38 pm

1 stop11h 38m

Oklahoma City Will Rogers World

Mon 1/12

8:29 pm-11:56 pm

1 stop5h 27m

$182

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Tue 2/3

1:10 pm-9:16 pm

1 stop6h 06m

Dallas/Fort Worth

Sat 2/7

4:25 pm-10:44 pm

1 stop8h 19m

$217

OntarioOklahoma City

ONT - OKC

ONTOKC

Ontario

Fri 1/9

6:00 am-7:44 pm

1 stop11h 44m

Oklahoma City Will Rogers World

Mon 1/12

8:29 pm-11:56 pm

1 stop5h 27m

$217

OntarioOklahoma City

ONT - OKC

ONTOKC

Ontario

Fri 1/9

6:00 am-7:44 pm

1 stop11h 44m

Oklahoma City Will Rogers World

Sat 1/10

3:53 pm-11:14 pm

1 stop9h 21m

$217

OntarioOklahoma City

ONT - OKC

ONTOKC

Ontario

Thu 1/8

2:34 pm-10:51 am

1 stop18h 17m

Oklahoma City Will Rogers World

Sun 1/11

8:29 pm-11:56 pm

1 stop5h 27m

$218

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Wed 12/31

6:45 am-12:09 am

1 stop15h 24m

Dallas/Fort Worth

Fri 1/2

10:47 pm-11:21 pm

1 stop26h 34m

$242

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Tue 2/3

10:30 pm-9:01 am

1 stop8h 31m

Dallas/Fort Worth

Fri 2/6

5:25 am-11:31 am

1 stop8h 06m

$243

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Showing 1-10 of 60 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, April is the cheapest month in which you can book a flight from Ontario to Oklahoma (average of $110). Flying from Ontario to Oklahoma in October is currently the most expensive (average of $167). 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 December 14, 2025.

When flying from Ontario to Oklahoma, 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 32% versus a flight at noon.

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

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

Travelers seeking maximum savings on their Ontario to Oklahoma flight should consider departing on Monday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 14, 2025.
Read through reviews of airlines operating flights from Ontario to Oklahoma, such as Southwest, United Airlines, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Overall

7.9

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Overall

7.9

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,094 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Overall

7.9

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,054 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Overall

7.9

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Frontier
5.8
Fair
3,081 reviews
Southwest
7.9
Good
4,250 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Overall

7.9

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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.

  • How long is the flight from Ontario to Oklahoma?

    Airlines like Frontier, Delta, and American Airlines fly from Ontario to Oklahoma in about 4h 34m. The time it takes to get you to your destination can typically vary by up to 1h 32m. Ontario and Oklahoma are separated by a distance of 1232 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $71 on Frontier. Other airlines that offer cheap prices include Southwest from $133 and American Airlines from $133 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 - Tulsa.

  • 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, April is the cheapest month in which you can book a flight from Ontario to Oklahoma (average of $110). Flying from Ontario to Oklahoma in October is currently the most expensive (average of $167). 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 December 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$226FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$226Average$371FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$266Average$400FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$266Average$421FlexibilityNo cancel feeOn-time71%

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