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$74+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — OKC
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$148
(Priceline)

One-way from

$74
(Priceline)

Popular in

December

Cheapest in

April

Average price

$447
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 ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This CheapOair deal was found by Cheapflights users on 6/12. 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.
Sat 8/168:09 pmONT - DFW
Nonstop3h 15mFrontier
Sat 8/239:45 amDFW - ONT
Nonstop3h 04mFrontier
Deal found 6/12$149
This Hawaiian Airlines deal was found by Cheapflights users on 6/9. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/66:10 pmONT - DFW
1 stop8h 30mHawaiian Airlines
Wed 8/134:46 pmDFW - ONT
1 stop9h 13mHawaiian Airlines
Deal found 6/9$202
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 8/96:10 pmONT - DFW
1 stop8h 30mAlaska Airlines
Mon 8/116:16 pmDFW - ONT
1 stop7h 57mAlaska Airlines
Deal found 6/10$232
This Delta deal was found by Cheapflights users on 6/10. 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 7/1610:05 pmONT - DFW
1 stop8h 37mDelta
Sat 7/196:09 pmDFW - ONT
1 stop7h 08mDelta
Deal found 6/10$237
This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/512:59 amONT - OKC
1 stop19h 39mFrontier
Sat 8/96:05 amOKC - ONT
1 stop5h 04mFrontier
Deal found 6/11$238
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 7/1012:59 amONT - DFW
Nonstop3h 00mAmerican Airlines
Fri 7/189:59 pmDFW - ONT
Nonstop2h 58mAmerican Airlines
Deal found 6/11$243
This Delta deal was found by Cheapflights users on 6/10. 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 8/237:05 amONT - XNA
1 stop8h 53mDelta
Tue 8/2612:30 pmXNA - ONT
1 stop8h 41mDelta
Deal found 6/10$269
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Thu 7/312:59 amONT - XNA
1 stop16h 11mFrontier
Mon 7/78:00 pmXNA - ONT
1 stop5h 50mFrontier
Deal found 6/10$270
This United Airlines deal was found by Cheapflights users on 6/12. 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 7/125:05 amONT - XNA
1 stop5h 54mUnited Airlines
Sat 7/191:49 pmXNA - ONT
1 stop5h 36mUnited Airlines
Deal found 6/12$284
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/34:50 pmONT - OKC
1 stop5h 06mDelta
Mon 9/86:28 pmOKC - ONT
1 stop6h 12mDelta
Deal found 6/11$293
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 9/112:30 pmONT - TUL
1 stop7h 18mAmerican Airlines
Sun 9/146:00 amTUL - ONT
1 stop6h 05mAmerican Airlines
Deal found 6/11$303
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/41:10 pmONT - OKC
2 stops7h 08mAmerican Airlines
Sun 9/78:30 pmOKC - ONT
1 stop5h 29mAmerican Airlines
Deal found 6/12$308

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 June 12, 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

Tue 8/5

10:06 am-3:19 pm

Nonstop3h 13m

Dallas/Fort Worth

Sat 8/16

6:09 pm-7:14 pm

Nonstop3h 05m

$148

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Wed 8/6

6:10 pm-4:40 am

1 stop8h 30m

Dallas/Fort Worth

Wed 8/13

4:46 pm-11:59 pm

1 stop9h 13m

$202

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Sat 8/9

6:10 pm-4:40 am

1 stop8h 30m

Dallas/Fort Worth

Mon 8/11

6:16 pm-12:13 am

1 stop7h 57m

$232

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Wed 7/16

6:00 am-2:42 pm

1 stop6h 42m

Dallas/Fort Worth

Tue 7/22

4:25 pm-10:27 pm

1 stop8h 02m

$237

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

$238

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Thu 7/10

12:59 am-5:59 am

Nonstop3h 00m

Dallas/Fort Worth

Fri 7/18

9:59 pm-10:57 pm

Nonstop2h 58m

$243

OntarioFayetteville

ONT - XNA

ONTXNA

Ontario

Sat 8/23

7:05 am-5:58 pm

1 stop8h 53m

Fayetteville Northwest Arkansas

Tue 8/26

12:30 pm-7:11 pm

1 stop8h 41m

$269

OntarioFayetteville

ONT - XNA

ONTXNA

Ontario

Thu 7/3

12:59 am-7:10 pm

1 stop16h 11m

Fayetteville Northwest Arkansas

Mon 7/7

8:00 pm-11:50 pm

1 stop5h 50m

$270

OntarioFayetteville

ONT - XNA

ONTXNA

Ontario

Sat 7/12

5:05 am-12:59 pm

1 stop5h 54m

Fayetteville Northwest Arkansas

Sat 7/19

1:49 pm-5:25 pm

1 stop5h 36m

$284

OntarioOklahoma City

ONT - OKC

ONTOKC

Ontario

Wed 9/3

4:50 pm-11:56 pm

1 stop5h 06m

Oklahoma City Will Rogers World

Mon 9/8

6:28 pm-10:40 pm

1 stop6h 12m

$293

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 45 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 $408). 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 June 12, 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.

Rainfall in Oklahoma by month

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

In terms of precipitation, rainfall in Oklahoma ranges from 1.2 - 5.1 inches per month. May is typically the wettest month, when rainfall can reach 5.1 in. January is typically the driest time to visit Oklahoma when rainfall is around 1.2 in.

Temperature in Oklahoma by month

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

If weather is an important factor for your trip to Oklahoma, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 F).

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 June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Ontario to Oklahoma. 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

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

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

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

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 $74 on Frontier. Other airlines that offer cheap prices include American Airlines from $90 and Alaska Airlines from $101 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 $408). 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 5 airlines flying from Ontario to Oklahoma

Discover the top 5 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$201FlexibilityNo cancel feeOn-time62%
DeltaCheapest$231Average$316FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$287Average$416FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$291Average$405FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$361Average$417FlexibilityNo cancel feeOn-time69%

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