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

Round-trip from

$145
(CheapOair)

One-way from

$74
(Priceline)

Popular in

March

Cheapest in

January

Average price

$427
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 ($8 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 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 June 12, 2025.

This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/410:34 pmDFW - ONT
1 stop15h 13mFrontier
Fri 10/1012:59 amONT - DFW
1 stop10h 13mFrontier
Deal found 6/10$145
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.
Tue 11/48:40 pmDFW - ONT
Nonstop3h 20mAmerican Airlines
Tue 11/1111:59 pmONT - DFW
Nonstop3h 01mAmerican Airlines
Deal found 6/11$209
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/233:36 pmOKC - ONT
1 stop10h 14mFrontier
Fri 8/2912:59 amONT - OKC
1 stop11h 37mFrontier
Deal found 6/11$230
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/64:46 pmDFW - ONT
1 stop9h 13mHawaiian Airlines
Sun 8/107:30 amONT - DFW
1 stop7h 46mHawaiian Airlines
Deal found 6/11$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.
Tue 7/224:25 pmDFW - ONT
1 stop8h 02mDelta
Sat 8/27:05 amONT - DFW
1 stop7h 35mDelta
Deal found 6/10$237
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/96:00 amDFW - ONT
1 stop9h 26mAlaska Airlines
Sun 8/107:30 amONT - DFW
1 stop7h 46mAlaska Airlines
Deal found 6/11$262
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.
Mon 8/184:25 pmTUL - ONT
1 stop7h 55mDelta
Sat 8/309:50 amONT - TUL
1 stop5h 39mDelta
Deal found 6/10$267
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 8/236:28 pmOKC - ONT
1 stop6h 12mDelta
Sat 8/3011:45 amONT - OKC
1 stop10h 14mDelta
Deal found 6/10$267
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 10/256:00 pmXNA - ONT
1 stop6h 46mDelta
Tue 11/1810:59 pmONT - XNA
1 stop8h 26mDelta
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.
Mon 6/308:00 pmXNA - ONT
1 stop15h 01mFrontier
Thu 7/35:21 pmONT - XNA
1 stop23h 49mFrontier
Deal found 6/10$270
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/185:00 amTUL - ONT
1 stop6h 58mAmerican Airlines
Sat 8/3012:22 pmONT - TUL
2 stops7h 48mAmerican Airlines
Deal found 6/10$272
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/119:44 amTUL - ONT
1 stop4h 48mUnited Airlines
Mon 9/156:04 amONT - TUL
1 stop8h 10mUnited Airlines
Deal found 6/10$293

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 June 12, 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 10/4

10:34 pm-11:47 am

1 stop15h 13m

Ontario

Fri 10/10

12:59 am-1:12 pm

1 stop10h 13m

$145

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Tue 11/4

8:40 pm-10:00 pm

Nonstop3h 20m

Ontario

Tue 11/11

11:59 pm-5:00 am

Nonstop3h 01m

$209

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Sat 8/23

3:36 pm-11:50 pm

1 stop10h 14m

Ontario

Fri 8/29

12:59 am-2:36 pm

1 stop11h 37m

$230

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Wed 8/6

4:46 pm-11:59 pm

1 stop9h 13m

Ontario

Sun 8/10

7:30 am-5:16 pm

1 stop7h 46m

$232

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Tue 7/22

6:15 pm-11:42 pm

1 stop7h 27m

Ontario

Tue 8/5

2:14 pm-11:51 pm

1 stop7h 37m

$237

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Sat 8/9

6:16 pm-12:13 am

1 stop7h 57m

Ontario

Thu 8/14

6:00 am-3:46 pm

1 stop7h 46m

$262

TulsaOntario

TUL - ONT

TULONT

Tulsa

Mon 8/18

4:25 pm-10:20 pm

1 stop7h 55m

Ontario

Sat 8/30

9:50 am-5:29 pm

1 stop5h 39m

$267

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Sat 8/23

6:28 pm-10:40 pm

1 stop6h 12m

Ontario

Sat 8/30

11:45 am-11:59 pm

1 stop10h 14m

$267

FayettevilleOntario

XNA - ONT

XNAONT

Fayetteville Northwest Arkansas

Sun 8/31

5:59 pm-10:40 pm

1 stop6h 41m

Ontario

Fri 9/12

10:59 pm-9:25 am

1 stop8h 26m

$269

FayettevilleOntario

XNA - ONT

XNAONT

Fayetteville Northwest Arkansas

Mon 6/30

8:00 pm-9:01 am

1 stop15h 01m

Ontario

Thu 7/3

5:21 pm-7:10 pm

1 stop23h 49m

$270

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 43 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 June 12, 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.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Oklahoma to Ontario to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

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

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

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

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

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

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

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

Overall

8.0

Entertainment

7.1

Food

7.1

Boarding

8.1

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 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 $74. Users have also found prices from $90 and $101 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, Oklahoma City Will Rogers World - Ontario or Tulsa - 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$113Average$214FlexibilityNo cancel feeOn-time62%
DeltaCheapest$158Average$311FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$266Average$386FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$306Average$400FlexibilityNo cancel feeOn-time63%

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