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$45+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — ONT
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$90
(Cheapflightsfares)

One-way from

$45
(Cheapflightsfares)

Popular in

March

Cheapest in

January

Average price

$359
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. 0% potential increase in price ($2 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Frontier deal was found by Cheapflights users on 2/19. 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 3/15:41 pmDFW - ONT
Nonstop3h 28mFrontier
Tue 3/116:59 pmONT - DFW
Nonstop2h 56mFrontier
Deal found 2/19$91
This CheapOair deal was found by Cheapflights users on 2/19. 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.
Wed 3/195:37 pmOKC - ONT
1 stop15h 49mFrontier
Tue 3/2512:59 amONT - OKC
1 stop16h 28mFrontier
Deal found 2/19$110
This American Airlines deal was found by Cheapflights users on 2/19. 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 3/199:05 pmDFW - ONT
Nonstop3h 22mAmerican Airlines
Wed 3/262:54 pmONT - DFW
Nonstop2h 51mAmerican Airlines
Deal found 2/19$219
This Booking.com deal was found by Cheapflights users on 2/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/72:46 pmXNA - ONT
1 stop11h 13mFrontier
Fri 4/114:25 pmONT - XNA
1 stop19h 21mFrontier
Deal found 2/18$230
This Delta deal was found by Cheapflights users on 2/19. 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 3/293:35 pmDFW - ONT
1 stop9h 08mDelta
Tue 4/112:46 pmONT - DFW
1 stop9h 30mDelta
Deal found 2/19$237
This Delta deal was found by Cheapflights users on 2/20. 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 3/175:05 pmXNA - ONT
1 stop7h 38mDelta
Sun 3/236:00 amONT - XNA
1 stop5h 29mDelta
Deal found 2/20$269
This American Airlines deal was found by Cheapflights users on 2/20. 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 5/66:00 amOKC - ONT
2 stops7h 52mAmerican Airlines
Wed 5/710:51 amONT - OKC
1 stop7h 11mAmerican Airlines
Deal found 2/20$308
This Delta deal was found by Cheapflights users on 2/19. 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 4/28:44 amOKC - ONT
1 stop5h 45mDelta
Mon 4/712:42 pmONT - OKC
1 stop9h 16mDelta
Deal found 2/19$310
This American Airlines deal was found by Cheapflights users on 2/19. 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 3/65:30 amXNA - ONT
1 stop5h 17mAmerican Airlines
Mon 3/1011:59 pmONT - XNA
1 stop7h 37mAmerican Airlines
Deal found 2/19$319
This United Airlines deal was found by Cheapflights users on 2/20. 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 5/25:15 pmOKC - ONT
1 stop6h 45mUnited Airlines
Sat 5/106:00 amONT - OKC
2 stops12h 15mUnited Airlines
Deal found 2/20$329
This Delta deal was found by Cheapflights users on 2/20. 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 4/256:24 pmTUL - ONT
1 stop7h 17mDelta
Sat 5/31:20 pmONT - TUL
1 stop5h 22mDelta
Deal found 2/20$342
This American Airlines deal was found by Cheapflights users on 2/20. 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 4/256:00 amTUL - ONT
2 stops7h 59mAmerican Airlines
Sat 5/311:59 pmONT - TUL
1 stop7h 26mAmerican Airlines
Deal found 2/20$347

Find flights from Oklahoma to Ontario within your budget

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 February 20, 2025.

Fly from

Oklahoma

Fly to

Ontario

Route

Depart

Return

Price

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Sat 3/1

5:41 pm-7:09 pm

Nonstop3h 28m

Ontario

Tue 3/11

6:59 pm-11:55 pm

Nonstop2h 56m

$91

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Wed 3/19

5:37 pm-7:26 am

1 stop15h 49m

Ontario

Tue 3/25

12:59 am-7:27 pm

1 stop16h 28m

$110

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Wed 3/19

9:05 pm-10:27 pm

Nonstop3h 22m

Ontario

Wed 3/26

2:54 pm-7:45 pm

Nonstop2h 51m

$219

FayettevilleOntario

XNA - ONT

XNAONT

Fayetteville Northwest Arkansas

Mon 4/7

2:46 pm-11:59 pm

1 stop11h 13m

Ontario

Fri 4/11

4:25 pm-1:46 pm

1 stop19h 21m

$230

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Sat 3/29

3:35 pm-10:43 pm

1 stop9h 08m

Ontario

Tue 4/1

12:46 pm-12:16 am

1 stop9h 30m

$237

FayettevilleOntario

XNA - ONT

XNAONT

Fayetteville Northwest Arkansas

Mon 3/17

5:05 pm-10:43 pm

1 stop7h 38m

Ontario

Sun 3/23

6:00 am-1:29 pm

1 stop5h 29m

$269

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Tue 5/6

6:00 am-11:52 am

2 stops7h 52m

Ontario

Wed 5/7

10:51 am-8:02 pm

1 stop7h 11m

$308

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Wed 4/2

8:44 am-12:29 pm

1 stop5h 45m

Ontario

Mon 4/7

12:42 pm-11:58 pm

1 stop9h 16m

$310

FayettevilleOntario

XNA - ONT

XNAONT

Fayetteville Northwest Arkansas

Thu 3/6

5:30 am-8:47 am

1 stop5h 17m

Ontario

Mon 3/10

11:59 pm-9:36 am

1 stop7h 37m

$319

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Fri 5/2

5:15 pm-10:00 pm

1 stop6h 45m

Ontario

Sat 5/10

6:00 am-8:15 pm

2 stops12h 15m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 41 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.

Travel insights for flights from Oklahoma to Ontario

Get recent, data-driven insights about flights from Oklahoma to Ontario including ideal travel times, pricing trends, and more.

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 $315). 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 February 20, 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 February 20, 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
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

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 $45. Users have also found prices from $102 and $103 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 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 $315). 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$109Average$174FlexibilityNo cancel feeOn-time62%
DeltaCheapest$158Average$335FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$292Average$403FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$306Average$386FlexibilityNo cancel feeOn-time63%
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