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$55+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — ONT
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Oklahoma to Ontario

Keep the following information in mind while searching for Oklahoma to Ontario flight deals. Data was last updated October 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$110
(CheapOair)

One-way from

$55
(Mytrip)

Popular in

March

Cheapest in

September

Average price

$377
Provider with most accurate pricing for Oklahoma City Will Rogers World-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Oklahoma City Will Rogers World-Los Angeles flights.
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From Oklahoma to Ontario
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One-way flight from Oklahoma to Ontario
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Highest demand for flights based on searches. 4% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 30, 2025.

This CheapOair deal was found by Cheapflights users on 10/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1510:44 amDFW - ONT
1 stop22h 33mFrontier
Thu 11/206:30 amONT - DFW
1 stop21h 18mFrontier
Deal found 10/29$110
This CheapOair deal was found by Cheapflights users on 10/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/178:15 pmOKC - ONT
1 stop27h 12mFrontier
Wed 11/1912:58 amONT - OKC
1 stop15h 35mFrontier
Deal found 10/29$110
This Frontier deal was found by Cheapflights users on 10/28. 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.
Tue 12/210:00 amDFW - ONT
Nonstop3h 27mFrontier
Fri 12/56:19 pmONT - DFW
Nonstop3h 03mFrontier
Deal found 10/28$111
This CheapOair deal was found by Cheapflights users on 10/27. 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.
Mon 11/106:15 amDFW - ONT
Nonstop3h 14mFrontier
Tue 11/118:00 amONT - DFW
1 stop26h 59mFrontier
Deal found 10/27$112
This CheapOair deal was found by Cheapflights users on 10/28. 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.
Sun 12/72:01 pmDFW - ONT
Nonstop3h 21mFrontier
Sun 1/116:56 pmONT - DFW
Nonstop3h 03mFrontier
Deal found 10/28$114
This CheapOair deal was found by Cheapflights users on 10/28. 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 12/115:16 pmDFW - ONT
Nonstop3h 19mFrontier
Sun 12/144:01 pmONT - DFW
1 stop15h 33mFrontier
Deal found 10/28$115
This Mytrip deal was found by Cheapflights users on 10/28. 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.
Fri 12/54:12 pmDFW - ONT
Nonstop3h 22mFrontier
Sun 12/74:17 pmONT - DFW
Nonstop3h 01mFrontier
Deal found 10/28$116
This CheapOair deal was found by Cheapflights users on 10/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/54:12 pmDFW - ONT
Nonstop3h 22mFrontier
Mon 12/85:18 pmONT - DFW
1 stop25h 50mFrontier
Deal found 10/30$118
This CheapOair deal was found by Cheapflights users on 10/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:35 amDFW - ONT
1 stop7h 35mFrontier
Tue 12/212:30 pmONT - DFW
Nonstop3h 05mFrontier
Deal found 10/29$120
This CheapOair deal was found by Cheapflights users on 10/28. 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 12/115:16 pmDFW - ONT
Nonstop3h 19mFrontier
Mon 12/156:21 pmONT - DFW
Nonstop3h 03mFrontier
Deal found 10/28$121
This CheapOair deal was found by Cheapflights users on 10/28. 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 11/139:17 amDFW - ONT
Nonstop3h 17mFrontier
Thu 11/2012:23 pmONT - DFW
1 stop19h 43mFrontier
Deal found 10/28$122
This Frontier deal was found by Cheapflights users on 10/28. 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.
Tue 12/210:00 amDFW - ONT
Nonstop3h 27mFrontier
Thu 12/412:04 pmONT - DFW
1 stop5h 36mFrontier
Deal found 10/28$123

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 October 30, 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

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Wed 11/19

7:59 am-12:18 pm

1 stop6h 19m

Ontario

Wed 11/19

10:25 pm-9:05 am

1 stop8h 40m

$217

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Fri 12/5

1:37 pm-11:58 pm

2 stops12h 21m

Ontario

Mon 12/8

10:25 pm-9:05 am

1 stop8h 40m

$222

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Tue 12/2

5:59 pm-11:58 pm

1 stop7h 59m

Ontario

Mon 12/8

4:49 pm-9:05 am

2 stops14h 16m

$222

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Sun 12/14

2:18 pm-11:04 pm

1 stop10h 46m

Ontario

Wed 12/17

4:49 pm-9:05 am

2 stops14h 16m

$222

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Thu 12/11

6:50 am-4:09 pm

2 stops11h 19m

Ontario

Mon 12/15

6:00 am-2:40 pm

1 stop6h 40m

$222

FayettevilleOntario

XNA - ONT

XNAONT

Fayetteville Northwest Arkansas

Thu 11/13

8:00 pm-11:50 pm

1 stop5h 50m

Ontario

Mon 11/17

6:53 am-7:15 pm

1 stop10h 22m

$224

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Sat 2/14

7:15 am-4:53 pm

1 stop11h 38m

Ontario

Wed 2/18

6:00 pm-4:39 am

1 stop8h 39m

$248

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Sat 11/15

7:59 am-5:09 pm

2 stops11h 10m

Ontario

Wed 11/19

7:05 am-5:18 pm

1 stop8h 13m

$248

TulsaOntario

TUL - ONT

TULONT

Tulsa

Thu 2/5

7:00 pm-10:20 pm

1 stop5h 20m

Ontario

Mon 2/9

3:35 pm-10:30 pm

1 stop4h 55m

$259

TulsaOntario

TUL - ONT

TULONT

Tulsa

Tue 1/6

8:09 am-12:16 pm

1 stop6h 07m

Ontario

Wed 1/14

10:30 pm-9:51 am

1 stop9h 21m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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 $185). 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 October 30, 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. Saturday evenings 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 long is the flight from Oklahoma to Ontario?

    A quick flight from Oklahoma to Ontario can take about 5h 20m. Delta provides one of the quickest options available for as low as $259. Airlines will cover a distance of 1232 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 $55. Users have also found prices from $105 and $109 on United Airlines and Delta, 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 $185). 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 4 airlines flying from Oklahoma to Ontario

Discover the top 4 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$138Average$221FlexibilityNo cancel feeOn-time62%
DeltaCheapest$158Average$316FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$200Average$401FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$266Average$380FlexibilityNo cancel feeOn-time71%

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