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$72+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — ONT
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 July 30, 2025.

Round-trip from

$139
(American Airlines)

One-way from

$72
(Mytrip)

Popular in

March

Cheapest in

January

Average price

$411
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. 2% potential increase in price ($9 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 July 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 July 30, 2025.

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 9/138:53 amDFW - ONT
Nonstop3h 10mAmerican Airlines
Sat 9/272:54 pmONT - DFW
Nonstop3h 03mAmerican Airlines
Deal found 7/29$139
This Flightnetwork deal was found by Cheapflights users on 7/27. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/156:09 pmDFW - ONT
Nonstop3h 05mFrontier
Mon 8/188:09 pmONT - DFW
Nonstop3h 15mFrontier
Deal found 7/27$141
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/233:36 pmOKC - ONT
1 stop19h 09mFrontier
Fri 8/2912:59 amONT - OKC
1 stop11h 47mFrontier
Deal found 7/30$197
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/18:00 pmXNA - ONT
1 stop5h 50mFrontier
Tue 8/55:21 pmONT - XNA
1 stop23h 10mFrontier
Deal found 7/29$235
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/278:45 amTUL - ONT
1 stop4h 47mAmerican Airlines
Wed 9/312:45 pmONT - TUL
1 stop5h 11mAmerican Airlines
Deal found 7/28$237
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.
Sat 8/232:47 pmOKC - ONT
1 stop5h 05mAmerican Airlines
Sat 8/3010:50 amONT - OKC
1 stop5h 11mAmerican Airlines
Deal found 7/30$265
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/238:45 amOKC - ONT
1 stop5h 29mDelta
Sat 8/3011:45 amONT - OKC
1 stop10h 14mDelta
Deal found 7/28$267
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/15:59 pmXNA - ONT
1 stop6h 41mDelta
Sat 9/67:05 amONT - XNA
1 stop8h 49mDelta
Deal found 7/30$269
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 10/84:30 pmTUL - ONT
1 stop7h 42mDelta
Mon 10/1310:29 pmONT - TUL
1 stop8h 49mDelta
Deal found 7/29$274
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 10/2512:49 pmXNA - ONT
2 stops7h 46mAmerican Airlines
Tue 11/1812:55 pmONT - XNA
2 stops7h 48mAmerican Airlines
Deal found 7/29$279
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:10 pmTUL - ONT
1 stop5h 34mUnited Airlines
Sat 11/85:05 amONT - TUL
1 stop5h 33mUnited Airlines
Deal found 7/29$317
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/236:05 amOKC - ONT
2 stops8h 08mUnited Airlines
Sat 8/305:10 amONT - OKC
1 stop5h 43mUnited Airlines
Deal found 7/30$324

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 July 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

Sat 9/13

8:53 am-10:03 am

Nonstop3h 10m

Ontario

Sat 9/27

2:54 pm-7:57 pm

Nonstop3h 03m

$139

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Fri 8/15

6:09 pm-7:14 pm

Nonstop3h 05m

Ontario

Mon 8/18

8:09 pm-1:24 am

Nonstop3h 15m

$141

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Sat 8/23

3:36 pm-8:45 am

1 stop19h 09m

Ontario

Fri 8/29

12:59 am-2:46 pm

1 stop11h 47m

$197

FayettevilleOntario

XNA - ONT

XNAONT

Fayetteville Northwest Arkansas

Wed 8/6

7:19 pm-11:50 pm

1 stop6h 31m

Ontario

Thu 8/7

12:59 am-7:11 pm

1 stop16h 12m

$235

TulsaOntario

TUL - ONT

TULONT

Tulsa

Wed 8/27

8:45 am-11:32 am

1 stop4h 47m

Ontario

Wed 9/3

12:45 pm-7:56 pm

1 stop5h 11m

$237

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Sat 8/23

2:47 pm-5:52 pm

1 stop5h 05m

Ontario

Sat 8/30

10:50 am-6:01 pm

1 stop5h 11m

$265

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Sat 8/23

8:45 am-12:14 pm

1 stop5h 29m

Ontario

Sat 8/30

11:45 am-11:59 pm

1 stop10h 14m

$267

FayettevilleOntario

XNA - ONT

XNAONT

Fayetteville Northwest Arkansas

Mon 9/1

5:59 pm-10:40 pm

1 stop6h 41m

Ontario

Sat 9/6

7:05 am-5:54 pm

1 stop8h 49m

$269

TulsaOntario

TUL - ONT

TULONT

Tulsa

Wed 10/8

4:30 pm-10:12 pm

1 stop7h 42m

Ontario

Mon 10/13

10:29 pm-9:18 am

1 stop8h 49m

$274

FayettevilleOntario

XNA - ONT

XNAONT

Fayetteville Northwest Arkansas

Sat 10/25

12:49 pm-6:35 pm

2 stops7h 46m

Ontario

Tue 11/18

12:55 pm-10:43 pm

2 stops7h 48m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 38 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, August is the cheapest month in which you can book a flight from Oklahoma to Ontario (average of $246). Flying from Oklahoma to Ontario in March is currently the most expensive (average of $328). 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 July 30, 2025.

When flying from Oklahoma to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated July 30, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Oklahoma to Ontario have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

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

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

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
4,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

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
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

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

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

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
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

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 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.

  • 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 $80 and $99 on American Airlines and Hawaiian 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, Tulsa - 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, August is the cheapest month in which you can book a flight from Oklahoma to Ontario (average of $246). Flying from Oklahoma to Ontario in March is currently the most expensive (average of $328). 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$113Average$214FlexibilityNo cancel feeOn-time62%
DeltaCheapest$158Average$306FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$233Average$385FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$266Average$378FlexibilityNo cancel feeOn-time71%

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