HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$54+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — ONT
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oklahoma to Ontario with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Oklahoma to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Oklahoma (USOK) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$109
(Frontier)

One-way from

$54
(Cheapflightsfares)
From Oklahoma to Ontario
Search Deals
One-way flight from Oklahoma to Ontario
Search Deals

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 January 21, 2025.

This Frontier deal was found by Cheapflights users on 1/21. 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 4/267:59 pmXNA - ONT
1 stop6h 00mFrontier
Sat 5/312:16 pmONT - XNA
1 stop4h 53mFrontier
Deal found 1/21$110
This Booking.com deal was found by Cheapflights users on 1/21. 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.
Tue 3/48:29 pmOKC - ONT
1 stop5h 30mFrontier
Mon 3/1012:59 amONT - OKC
1 stop16h 28mFrontier
Deal found 1/21$115
This Cheapflightsfares deal was found by Cheapflights users on 1/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/236:00 amDFW - ONT
1 stop5h 31mFrontier
Tue 3/256:59 pmONT - DFW
Nonstop2h 56mFrontier
Deal found 1/20$118
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/11:46 pmDFW - ONT
1 stop8h 31mAlaska Airlines
Tue 3/46:00 amONT - DFW
1 stop8h 51mAlaska Airlines
Deal found 1/20$199
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Sat 3/13:50 pmDFW - ONT
1 stop8h 09mUnited Airlines
Tue 3/45:05 amONT - DFW
2 stops8h 56mUnited Airlines
Deal found 1/21$224
This Expedia deal was found by Cheapflights users on 1/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/69:08 pmDFW - ONT
1 stop12h 03mMultiple Airlines
Sun 2/96:00 amONT - DFW
1 stop8h 52mMultiple Airlines
Deal found 1/19$226
This American Airlines deal was found by Cheapflights users on 1/20. 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 2/48:31 amDFW - ONT
Nonstop3h 28mAmerican Airlines
Sat 2/156:05 amONT - DFW
Nonstop2h 53mAmerican Airlines
Deal found 1/20$234
This American Airlines deal was found by Cheapflights users on 1/21. 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 2/182:30 pmXNA - ONT
1 stop5h 56mAmerican Airlines
Sun 2/2311:59 pmONT - XNA
1 stop6h 19mAmerican Airlines
Deal found 1/21$239
This Delta deal was found by Cheapflights users on 1/20. 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.
Wed 2/267:00 amDFW - ONT
2 stops11h 28mDelta
Tue 3/2511:42 amONT - DFW
1 stop9h 58mDelta
Deal found 1/20$242
This Delta deal was found by Cheapflights users on 1/21. 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.
Thu 3/135:10 pmXNA - ONT
2 stops8h 46mDelta
Tue 3/186:00 amONT - XNA
1 stop5h 29mDelta
Deal found 1/21$274
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 2/155:02 pmXNA - ONT
1 stop6h 57mUnited Airlines
Wed 2/195:05 amONT - XNA
1 stop6h 06mUnited Airlines
Deal found 1/20$289
This Delta deal was found by Cheapflights users on 1/19. 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.
Tue 3/118:15 amTUL - ONT
1 stop6h 14mDelta
Wed 3/265:15 pmONT - TUL
1 stop5h 00mDelta
Deal found 1/19$317

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Wed 4/2

5:37 pm-8:19 pm

1 stop4h 42m

Ontario

Tue 4/29

12:10 pm-7:36 pm

1 stop5h 26m

$109

FayettevilleOntario

XNA - ONT

XNAONT

Fayetteville Northwest Arkansas

Sat 4/26

7:59 pm-11:59 pm

1 stop6h 00m

Ontario

Sat 5/3

12:16 pm-7:09 pm

1 stop4h 53m

$110

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Sun 2/23

6:00 am-9:31 am

1 stop5h 31m

Ontario

Tue 3/25

6:59 pm-11:55 pm

Nonstop2h 56m

$118

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Sat 3/1

1:46 pm-8:17 pm

1 stop8h 31m

Ontario

Tue 3/4

6:00 am-4:51 pm

1 stop8h 51m

$199

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Sat 3/1

3:50 pm-9:59 pm

1 stop8h 09m

Ontario

Tue 3/4

5:05 am-4:01 pm

2 stops8h 56m

$224

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Thu 2/6

9:08 pm-7:11 am

1 stop12h 03m

Ontario

Sun 2/9

6:00 am-4:52 pm

1 stop8h 52m

$226

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Tue 2/4

8:31 am-9:59 am

Nonstop3h 28m

Ontario

Sat 2/15

6:05 am-10:58 am

Nonstop2h 53m

$234

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Wed 2/12

8:10 am-12:24 pm

1 stop6h 14m

Ontario

Sat 2/15

1:21 pm-9:21 pm

1 stop6h 00m

$237

FayettevilleOntario

XNA - ONT

XNAONT

Fayetteville Northwest Arkansas

Tue 2/18

2:30 pm-6:26 pm

1 stop5h 56m

Ontario

Sun 2/23

11:59 pm-8:18 am

1 stop6h 19m

$239

FayettevilleOntario

XNA - ONT

XNAONT

Fayetteville Northwest Arkansas

Thu 3/13

5:10 pm-11:56 pm

2 stops8h 46m

Ontario

Tue 3/18

6:00 am-1:29 pm

1 stop5h 29m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 43 results
1
2
3
...
5

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 $310). 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 January 21, 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 January 21, 2025.
Peruse reviews from past customers who have flown with United Airlines, Alaska Airlines and Frontier 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
4,662 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

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

Southwest
8.1
Very good
4,662 reviews
Southwest
8.1
Very good
4,662 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,706 reviews
Southwest
8.1
Very good
4,662 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

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

Delta
8.0
Very good
8,521 reviews
Southwest
8.1
Very good
4,662 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

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

United Airlines
7.4
Good
8,984 reviews
Southwest
8.1
Very good
4,662 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

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

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,662 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Crew

8.7

Entertainment

7.7

Reviews

1 / 10

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 $54. Users have also found prices from $100 and $110 on American Airlines and United 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 $310). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Oklahoma to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to Los Angeles flights
Newark to Los Angeles flights
O'Hare Intl to Las Vegas flights
Dallas/Fort Worth to Las Vegas flights
John F Kennedy Intl to San Francisco flights
Minneapolis to Las Vegas flights
Denver to Las Vegas flights
Seattle to Las Vegas flights
San Francisco to Las Vegas flights
Seattle to Los Angeles flights
Newark to Las Vegas flights
Dallas/Fort Worth to Los Angeles flights
Dulles Intl to Las Vegas flights
Newark to San Francisco flights
Atlanta to Las Vegas flights
Los Angeles to Las Vegas flights
Boston to Las Vegas flights
O'Hare Intl to Los Angeles flights
Reagan-National to Los Angeles flights
LaGuardia to Las Vegas flights
LaGuardia to Los Angeles flights
Seattle to San Diego flights
Detroit to Las Vegas flights
Santa Ana to Las Vegas flights
Seattle to Santa Ana flights
Dulles Intl to Los Angeles flights
Baltimore to Las Vegas flights
Boston to Los Angeles flights
Seattle to Ontario flights
Baltimore to Los Angeles flights
Burbank to Las Vegas flights
Reagan-National to Las Vegas flights
Midway to Las Vegas flights
Seattle to San Francisco flights
Hobby to Las Vegas flights
San Francisco to Los Angeles flights
Los Angeles to San Francisco flights
San Jose to Las Vegas flights
O'Hare Intl to San Francisco flights
Philadelphia to Las Vegas flights
George Bush Intcntl to Las Vegas flights
Orlando to Las Vegas flights
Hobby to Los Angeles flights
Oakland to Las Vegas flights
Portland to Los Angeles flights
LaGuardia to San Francisco flights
Salt Lake City to Los Angeles flights
Austin to Las Vegas flights
Reagan-National to San Francisco flights

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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$113Average$175FlexibilityNo cancel feeOn-time62%
DeltaCheapest$286Average$336FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$292Average$419FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$306Average$399FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.