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$49+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — ONT
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This CheapOair deal was found by Cheapflights users on 1/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/277:15 pm
DFW
-
ONT
Nonstop3h 33m
Frontier
Sat 2/286:00 am
ONT
-
DFW
1 stop15h 29m
Frontier
Deal found 1/28$123
This Booking.com deal was found by Cheapflights users on 1/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/207:15 pm
DFW
-
ONT
Nonstop3h 33m
Frontier
Mon 2/236:10 am
ONT
-
DFW
1 stop7h 32m
Frontier
Deal found 1/28$124
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/103:15 pm
DFW
-
ONT
1 stop10h 44m
Frontier
Tue 3/174:00 pm
ONT
-
DFW
Nonstop3h 05m
Frontier
Deal found 1/28$126
This Super.com deal was found by Cheapflights users on 1/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/72:58 pm
DFW
-
ONT
Nonstop3h 25m
Frontier
Mon 4/137:35 pm
ONT
-
DFW
Nonstop3h 05m
Frontier
Deal found 1/27$127
This Frontier deal was found by Cheapflights users on 1/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2411:55 am
DFW
-
ONT
1 stop11h 39m
Frontier
Wed 3/48:40 am
ONT
-
DFW
1 stop11h 58m
Frontier
Deal found 1/27$128
This Gotogate deal was found by Cheapflights users on 1/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/912:55 pm
DFW
-
ONT
Nonstop3h 32m
Frontier
Sun 2/152:06 pm
ONT
-
DFW
Nonstop3h 05m
Frontier
Deal found 1/28$129
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/247:00 am
DFW
-
ONT
1 stop8h 28m
Frontier
Tue 4/75:18 pm
ONT
-
DFW
Nonstop3h 08m
Frontier
Deal found 1/27$130
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/105:40 pm
DFW
-
ONT
1 stop22h 12m
Multiple Airlines
Sat 2/148:21 am
ONT
-
DFW
Nonstop3h 04m
Multiple Airlines
Deal found 1/27$131
This Frontier deal was found by Cheapflights users on 1/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/151:00 pm
DFW
-
ONT
Nonstop3h 29m
Frontier
Sun 3/12:06 pm
ONT
-
DFW
Nonstop3h 05m
Frontier
Deal found 1/27$133
This Frontier deal was found by Cheapflights users on 1/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/151:00 pm
DFW
-
ONT
Nonstop3h 29m
Frontier
Sun 2/222:06 pm
ONT
-
DFW
Nonstop3h 05m
Frontier
Deal found 1/27$134
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2511:55 am
DFW
-
ONT
1 stop11h 39m
Frontier
Thu 2/267:22 pm
ONT
-
DFW
1 stop8h 25m
Frontier
Deal found 1/28$135
This Booking.com deal was found by Cheapflights users on 1/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/238:30 pm
OKC
-
ONT
1 stop27h 04m
Frontier
Thu 2/263:24 pm
ONT
-
OKC
1 stop17h 35m
Frontier
Deal found 1/26$149

Find flight deals from Oklahoma to Ontario

Keep the following information in mind while searching for Oklahoma to Ontario flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$123
(CheapOair)

One-way from

$49
(Mytrip)

Popular in

March

Cheapest in

September

Average price

$404
Provider with most accurate pricing for Oklahoma City Will Rogers World-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Oklahoma City Will Rogers World-Los Angeles flights.
Search Deals
From Oklahoma to Ontario
Search Deals
One-way flight from Oklahoma to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Mon 2/23

8:30 pm-11:59 pm

1 stop5h 29m

Ontario

Thu 2/26

3:24 pm-10:59 am

1 stop17h 35m

$154

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Thu 2/26

8:30 pm-11:59 pm

1 stop5h 29m

Ontario

Mon 3/2

6:10 am-7:45 pm

1 stop11h 35m

$192

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Wed 3/25

8:30 pm-11:59 pm

1 stop5h 29m

Ontario

Tue 4/7

6:20 am-7:45 pm

1 stop11h 25m

$195

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Sat 3/7

8:30 pm-11:59 pm

1 stop5h 29m

Ontario

Tue 3/10

6:15 am-7:45 pm

1 stop11h 30m

$198

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Sat 2/28

6:00 am-1:54 pm

1 stop9h 54m

Ontario

Sat 2/28

10:20 pm-8:59 am

1 stop8h 39m

$219

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Tue 2/17

12:30 pm-4:02 pm

1 stop5h 32m

Ontario

Tue 2/17

10:20 pm-8:59 am

1 stop8h 39m

$239

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Tue 3/24

4:10 pm-11:51 pm

2 stops9h 41m

Ontario

Tue 4/7

12:57 pm-12:27 am

1 stop9h 30m

$244

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Fri 4/17

5:30 pm-10:44 am

1 stop19h 14m

Ontario

Sun 4/19

12:59 am-7:48 pm

1 stop16h 49m

$246

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Fri 2/27

6:00 am-1:54 pm

1 stop9h 54m

Ontario

Tue 3/3

1:10 pm-9:11 pm

1 stop6h 01m

$254

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Fri 2/27

6:00 am-1:54 pm

1 stop9h 54m

Ontario

Sat 2/28

1:10 pm-9:11 pm

1 stop6h 01m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 60 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, April is the cheapest month in which you can book a flight from Oklahoma to Ontario (average of $110). Flying from Oklahoma to Ontario in January is currently the most expensive (average of $170). 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.

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.

  • How popular is this Oklahoma to Ontario flight route?

    Within the past month, 1 users have taken a look at flights from Oklahoma to Ontario.

  • How long is the flight from Oklahoma to Ontario?

    A quick flight from Oklahoma to Ontario can take about 5h 29m. Frontier provides one of the quickest options available for as low as $154. Airlines will cover a distance of 1137 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $84 and $100 on Southwest 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, Fayetteville Northwest Arkansas - Ontario or Oklahoma City Will Rogers World - 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, April is the cheapest month in which you can book a flight from Oklahoma to Ontario (average of $110). Flying from Oklahoma to Ontario in January is currently the most expensive (average of $170). 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 5 airlines flying from Oklahoma to Ontario

Discover the top 5 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$125Average$225FlexibilityNo cancel feeOn-time62%
DeltaCheapest$158Average$266FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$196Average$377FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$226Average$372FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$266Average$386FlexibilityNo cancel feeOn-time71%

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