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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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — ONT
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$100
(Cheapflightsfares)

One-way from

$55
(CheapOair)

Popular in

June

Cheapest in

January

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. 8% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/296:24 pmDFW - ONT
Nonstop3h 19mFrontier
Fri 5/308:38 pmONT - DFW
Nonstop3h 07mFrontier
Deal found 4/30$100
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/112:33 pmOKC - ONT
1 stop5h 06mFrontier
Thu 5/812:16 pmONT - OKC
1 stop5h 14mFrontier
Deal found 4/30$176
This Delta deal was found by Cheapflights users on 4/30. 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.
Tue 7/16:20 pmDFW - ONT
1 stop6h 25mDelta
Wed 7/169:44 amONT - DFW
1 stop5h 36mDelta
Deal found 4/30$237
This Delta deal was found by Cheapflights users on 4/29. 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.
Sat 6/146:12 pmTUL - ONT
1 stop6h 33mDelta
Sat 6/217:05 amONT - TUL
1 stop8h 57mDelta
Deal found 4/29$267
This Delta deal was found by Cheapflights users on 4/30. 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.
Sat 5/316:20 pmOKC - ONT
1 stop5h 56mDelta
Tue 6/34:57 pmONT - OKC
1 stop5h 13mDelta
Deal found 4/30$267
This American Airlines deal was found by Cheapflights users on 4/29. 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 6/148:26 pmTUL - ONT
1 stop5h 33mAmerican Airlines
Fri 6/2012:59 amONT - TUL
1 stop5h 34mAmerican Airlines
Deal found 4/29$268
This Delta deal was found by Cheapflights users on 4/30. 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.
Tue 7/82:32 pmXNA - ONT
1 stop9h 55mDelta
Tue 7/229:44 amONT - XNA
1 stop5h 11mDelta
Deal found 4/30$269
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/109:35 amXNA - ONT
2 stops10h 04mUnited Airlines
Tue 6/176:00 amONT - XNA
1 stop8h 08mUnited Airlines
Deal found 4/30$274
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/127:59 pmXNA - ONT
1 stop6h 00mFrontier
Fri 5/1612:16 pmONT - XNA
1 stop4h 53mFrontier
Deal found 4/30$287
This Southwest deal was found by Cheapflights users on 4/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/225:00 amTUL - ONT
1 stop7h 05mSouthwest
Mon 6/22:55 pmONT - TUL
1 stop6h 50mSouthwest
Deal found 4/30$319
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 6/195:39 pmOKC - ONT
1 stop7h 23mAmerican Airlines
Fri 6/2711:59 pmONT - OKC
1 stop6h 32mAmerican Airlines
Deal found 4/30$327
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 6/106:35 pmXNA - ONT
1 stop6h 27mAmerican Airlines
Mon 6/1612:59 amONT - XNA
1 stop6h 28mAmerican Airlines
Deal found 4/30$333

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 May 1, 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

Thu 5/29

6:24 pm-7:43 pm

Nonstop3h 19m

Ontario

Fri 5/30

8:38 pm-1:45 am

Nonstop3h 07m

$100

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Tue 5/13

7:31 pm-11:59 pm

1 stop6h 28m

Ontario

Mon 5/19

12:59 am-6:31 pm

1 stop15h 32m

$188

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Tue 7/1

6:20 pm-10:45 pm

1 stop6h 25m

Ontario

Wed 7/16

9:44 am-5:20 pm

1 stop5h 36m

$237

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Tue 6/3

10:41 pm-11:43 pm

Nonstop3h 02m

Ontario

Thu 6/5

12:59 am-5:57 am

Nonstop2h 58m

$264

TulsaOntario

TUL - ONT

TULONT

Tulsa

Sat 6/14

6:12 pm-10:45 pm

1 stop6h 33m

Ontario

Sat 6/21

7:05 am-6:02 pm

1 stop8h 57m

$267

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Sat 5/31

6:20 pm-10:16 pm

1 stop5h 56m

Ontario

Tue 6/3

4:57 pm-12:10 am

1 stop5h 13m

$267

TulsaOntario

TUL - ONT

TULONT

Tulsa

Sat 6/14

8:26 pm-11:59 pm

1 stop5h 33m

Ontario

Fri 6/20

12:59 am-8:33 am

1 stop5h 34m

$268

FayettevilleOntario

XNA - ONT

XNAONT

Fayetteville Northwest Arkansas

Tue 7/8

2:32 pm-10:27 pm

1 stop9h 55m

Ontario

Tue 7/22

9:44 am-4:55 pm

1 stop5h 11m

$269

FayettevilleOntario

XNA - ONT

XNAONT

Fayetteville Northwest Arkansas

Tue 6/10

9:35 am-5:39 pm

2 stops10h 04m

Ontario

Tue 6/17

6:00 am-4:08 pm

1 stop8h 08m

$274

FayettevilleOntario

XNA - ONT

XNAONT

Fayetteville Northwest Arkansas

Mon 5/12

7:59 pm-11:59 pm

1 stop6h 00m

Ontario

Fri 5/16

12:16 pm-7:09 pm

1 stop4h 53m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 May 1, 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 May 1, 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
9,972 reviews

Boarding

8.1

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

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
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

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
4,294 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

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
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

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
2,408 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Comfort

7.9

Food

7.1

Entertainment

7.1

Crew

8.5

Overall

8.0

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 $55. Users have also found prices from $122 and $124 on American 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, 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$113Average$188FlexibilityNo cancel feeOn-time62%
DeltaCheapest$158Average$316FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$275Average$387FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$309Average$401FlexibilityNo cancel feeOn-time63%

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