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$50+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — ONT
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$98
(Cheapflightsfares)

One-way from

$50
(Cheapflightsfares)

Popular in

March

Cheapest in

January

Average price

$491
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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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/186:55 amDFW - ONT
Nonstop3h 24mFrontier
Tue 4/292:27 pmONT - DFW
Nonstop3h 02mFrontier
Deal found 3/27$98
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/198:14 pmOKC - ONT
1 stop5h 45mFrontier
Sat 4/2610:17 pmONT - OKC
1 stop10h 46mFrontier
Deal found 3/27$198
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2810:41 pmDFW - ONT
Nonstop3h 02mAmerican Airlines
Sat 5/3111:59 pmONT - DFW
Nonstop2h 57mAmerican Airlines
Deal found 3/27$229
This Delta deal was found by Cheapflights users on 3/28. 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 5/38:15 amDFW - ONT
1 stop6h 01mDelta
Sat 5/310:15 pmONT - DFW
1 stop8h 31mDelta
Deal found 3/28$237
This Expedia deal was found by Cheapflights users on 3/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/226:24 pmDFW - ONT
Nonstop3h 19mMultiple Airlines
Wed 5/285:55 pmONT - DFW
1 stop8h 45mMultiple Airlines
Deal found 3/27$248
This Frontier deal was found by Cheapflights users on 3/26. 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.
Mon 4/287:59 pmXNA - ONT
1 stop6h 00mFrontier
Thu 5/112:59 amONT - XNA
1 stop11h 55mFrontier
Deal found 3/26$258
This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/185:00 pmXNA - ONT
2 stops8h 41mDelta
Sun 4/206:00 amONT - XNA
1 stop4h 55mDelta
Deal found 3/27$274
This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/197:05 amOKC - ONT
2 stops11h 28mDelta
Mon 4/2110:15 pmONT - OKC
1 stop10h 13mDelta
Deal found 3/27$297
This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/236:24 pmTUL - ONT
1 stop7h 17mDelta
Sat 4/2612:07 pmONT - TUL
1 stop7h 52mDelta
Deal found 3/27$317
This Southwest deal was found by Cheapflights users on 3/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/238:50 amTUL - ONT
2 stops7h 10mSouthwest
Sat 4/266:10 amONT - TUL
1 stop6h 00mSouthwest
Deal found 3/27$322
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/256:32 pmTUL - ONT
1 stop7h 18mAmerican Airlines
Sat 5/312:50 pmONT - TUL
2 stops7h 38mAmerican Airlines
Deal found 3/27$347
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/189:10 amXNA - ONT
1 stop5h 28mUnited Airlines
Sun 4/205:00 amONT - XNA
1 stop6h 14mUnited Airlines
Deal found 3/27$349

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 March 28, 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

Fri 4/18

6:55 am-8:19 am

Nonstop3h 24m

Ontario

Tue 4/29

2:27 pm-7:29 pm

Nonstop3h 02m

$98

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Sat 4/19

8:14 pm-11:59 pm

1 stop5h 45m

Ontario

Sat 4/26

10:17 pm-11:03 am

1 stop10h 46m

$198

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Wed 5/28

10:41 pm-11:43 pm

Nonstop3h 02m

Ontario

Sat 5/31

11:59 pm-4:56 am

Nonstop2h 57m

$229

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Sat 5/3

8:15 am-12:16 pm

1 stop6h 01m

Ontario

Sat 5/3

10:15 pm-8:46 am

1 stop8h 31m

$237

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Thu 5/22

6:24 pm-7:43 pm

Nonstop3h 19m

Ontario

Wed 5/28

5:55 pm-4:40 am

1 stop8h 45m

$248

FayettevilleOntario

XNA - ONT

XNAONT

Fayetteville Northwest Arkansas

Mon 4/28

7:59 pm-11:59 pm

1 stop6h 00m

Ontario

Thu 5/1

12:59 am-2:54 pm

1 stop11h 55m

$258

FayettevilleOntario

XNA - ONT

XNAONT

Fayetteville Northwest Arkansas

Fri 4/18

5:00 pm-11:41 pm

2 stops8h 41m

Ontario

Sun 4/20

6:00 am-12:55 pm

1 stop4h 55m

$274

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Sat 4/19

7:05 am-4:33 pm

2 stops11h 28m

Ontario

Mon 4/21

10:15 pm-10:28 am

1 stop10h 13m

$297

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Thu 4/24

12:00 pm-8:21 pm

2 stops10h 21m

Ontario

Thu 5/1

1:20 pm-8:46 pm

1 stop5h 26m

$308

TulsaOntario

TUL - ONT

TULONT

Tulsa

Wed 4/23

6:24 pm-11:41 pm

1 stop7h 17m

Ontario

Sat 4/26

12:07 pm-9:59 pm

1 stop7h 52m

$317

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 34 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 $326). 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 March 28, 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 March 28, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 $50. Users have also found prices from $119 and $130 on Delta and American 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 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 $326). 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$109Average$179FlexibilityNo cancel feeOn-time62%
DeltaCheapest$158Average$322FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$286Average$390FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$306Average$401FlexibilityNo cancel feeOn-time63%
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