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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — ONT
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
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 December 22, 2024.

Round-trip from

$138
(Frontier)

One-way from

$54
(Mytrip)
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 December 22, 2024.

This FlightHub deal was found by Cheapflights users on 12/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/231:00 pmDFW - ONT
Nonstop3h 21mFrontier
Thu 12/2610:31 pmONT - DFW
1 stop10h 50mFrontier
Deal found 12/22$244
This Frontier deal was found by Cheapflights users on 12/21. 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.
Mon 12/3011:29 amOKC - ONT
1 stop7h 44mFrontier
Thu 1/210:31 pmONT - OKC
1 stop9h 58mFrontier
Deal found 12/21$248
This American Airlines deal was found by Cheapflights users on 12/21. 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 12/313:00 pmTUL - ONT
1 stop5h 25mAmerican Airlines
Sat 1/42:50 pmONT - TUL
1 stop7h 05mAmerican Airlines
Deal found 12/21$386
This Gotogate deal was found by Cheapflights users on 12/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/282:31 pmXNA - ONT
1 stop23h 11mFrontier
Tue 12/3112:59 amONT - XNA
1 stop10h 42mFrontier
Deal found 12/20$391
This American Airlines deal was found by Cheapflights users on 12/20. 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.
Sat 12/287:30 pmXNA - ONT
1 stop6h 27mAmerican Airlines
Tue 12/316:10 amONT - XNA
1 stop5h 39mAmerican Airlines
Deal found 12/20$404
This Southwest deal was found by Cheapflights users on 12/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/311:00 pmTUL - ONT
2 stops7h 55mSouthwest
Sat 1/46:40 pmONT - TUL
1 stop4h 10mSouthwest
Deal found 12/21$477
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Tue 12/319:00 amTUL - ONT
1 stop5h 40mUnited Airlines
Tue 1/76:00 amONT - TUL
1 stop5h 54mUnited Airlines
Deal found 12/21$491
This Delta deal was found by Cheapflights users on 12/21. 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.
Mon 12/233:44 pmXNA - ONT
2 stops10h 45mDelta
Fri 1/35:30 amONT - XNA
2 stops10h 09mDelta
Deal found 12/21$568
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Mon 12/238:34 amXNA - ONT
1 stop6h 06mUnited Airlines
Thu 1/25:05 amONT - XNA
1 stop5h 56mUnited Airlines
Deal found 12/21$599
This American Airlines deal was found by Cheapflights users on 12/20. 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 12/246:44 amOKC - ONT
1 stop15h 53mAmerican Airlines
Sat 1/1110:56 amONT - OKC
1 stop6h 45mAmerican Airlines
Deal found 12/20$637
This Delta deal was found by Cheapflights users on 12/21. 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.
Tue 12/248:15 amOKC - ONT
1 stop5h 53mDelta
Sat 1/111:00 pmONT - OKC
1 stop8h 55mDelta
Deal found 12/21$647
This Delta deal was found by Cheapflights users on 12/20. 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.
Sun 12/223:10 pmTUL - ONT
2 stops11h 18mDelta
Thu 1/24:58 pmONT - TUL
1 stop5h 33mDelta
Deal found 12/20$831

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 December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Thu 1/9

9:35 pm-7:14 am

1 stop11h 39m

Ontario

Sun 1/12

8:56 am-1:54 pm

Nonstop2h 58m

$138

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Fri 1/10

6:23 pm-7:14 am

1 stop14h 51m

Ontario

Sun 1/12

1:52 pm-5:18 pm

1 stop25h 26m

$138

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Sat 1/25

8:31 am-9:56 am

Nonstop3h 25m

Ontario

Sat 2/1

6:00 am-11:02 am

Nonstop3h 02m

$179

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Tue 2/4

8:00 am-5:04 pm

2 stops11h 04m

Ontario

Tue 2/11

7:45 am-12:01 am

1 stop14h 16m

$207

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Sat 2/15

5:40 pm-9:59 pm

1 stop6h 19m

Ontario

Tue 2/18

6:00 am-4:01 pm

1 stop8h 01m

$218

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Sat 1/25

10:00 am-6:13 pm

1 stop10h 13m

Ontario

Sat 2/1

11:14 am-11:55 pm

2 stops10h 41m

$232

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Tue 4/8

4:00 pm-11:42 pm

2 stops9h 42m

Ontario

Tue 4/15

10:00 pm-8:50 am

1 stop8h 50m

$241

FayettevilleOntario

XNA - ONT

XNAONT

Fayetteville Northwest Arkansas

Fri 1/10

2:30 pm-6:24 pm

1 stop5h 54m

Ontario

Sun 1/26

11:59 pm-8:17 am

1 stop6h 18m

$293

Oklahoma CityOntario

OKC - ONT

OKCONT

Oklahoma City Will Rogers World

Fri 2/7

6:00 am-9:59 am

1 stop5h 59m

Ontario

Mon 2/10

3:04 pm-10:09 pm

1 stop5h 05m

$298

TulsaOntario

TUL - ONT

TULONT

Tulsa

Tue 1/14

5:00 pm-10:52 pm

1 stop7h 52m

Ontario

Tue 1/21

1:00 pm-11:51 pm

1 stop8h 51m

$331

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 39 results
1
2
3
4

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 $317). 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 December 22, 2024.

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 December 22, 2024.
Peruse reviews from past customers who have flown with American Airlines, 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
4,804 reviews

Food

7.2

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Overall

8.1

Reviews

1 / 10

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

Southwest
8.1
Very good
4,804 reviews
Southwest
8.1
Very good
4,804 reviews

Food

7.2

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Overall

8.1

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,537 reviews
Southwest
8.1
Very good
4,804 reviews

Food

7.2

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Overall

8.1

Reviews

1 / 10

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

Delta
8.0
Very good
8,594 reviews
Southwest
8.1
Very good
4,804 reviews

Food

7.2

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Overall

8.1

Reviews

1 / 10

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

United Airlines
7.4
Good
9,028 reviews
Southwest
8.1
Very good
4,804 reviews

Food

7.2

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Overall

8.1

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
4,804 reviews

Food

7.2

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Overall

8.1

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 $90 and $102 on American Airlines and Alaska 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 $317). 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 Los Angeles flights
John F Kennedy Intl to Las Vegas flights
Dallas/Fort Worth to Las Vegas flights
Newark to Los Angeles flights
San Francisco to Las Vegas flights
Seattle to Las Vegas flights
Seattle to Los Angeles flights
Dallas/Fort Worth to Los Angeles flights
John F Kennedy Intl to San Francisco flights
Newark to Las Vegas flights
O'Hare Intl to Las Vegas flights
Los Angeles to Las Vegas flights
O'Hare Intl to Los Angeles flights
San Francisco to Los Angeles flights
Minneapolis to Las Vegas flights
Boston to Los Angeles flights
Atlanta to Las Vegas flights
LaGuardia to Los Angeles flights
Hobby to Las Vegas flights
Denver to Las Vegas flights
Santa Ana to Las Vegas flights
LaGuardia to Las Vegas flights
Newark to San Francisco flights
Dulles Intl to Las Vegas flights
Baltimore to Las Vegas flights
Reagan-National to Los Angeles flights
San Jose to Las Vegas flights
Burbank to Las Vegas flights
Seattle to San Diego flights
Dulles Intl to Los Angeles flights
George Bush Intcntl to Las Vegas flights
Baltimore to Los Angeles flights
Oakland to Las Vegas flights
Hobby to Los Angeles flights
Los Angeles to San Francisco flights
Boston to Las Vegas flights
Seattle to San Francisco flights
Seattle to Ontario flights
Philadelphia to Las Vegas flights
Atlanta to Los Angeles flights
Midway to Las Vegas flights
Seattle to Santa Ana flights
Detroit to Las Vegas flights
Love Field to Las Vegas flights
Portland to Los Angeles flights
Austin to Las Vegas flights
John F Kennedy Intl to San Diego flights
San Jose to Los Angeles flights
George Bush Intcntl to Los Angeles flights
Oakland to Santa Ana flights

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 December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$113Average$177FlexibilityNo cancel feeOn-time62%
DeltaCheapest$286Average$337FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$292Average$427FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$306Average$395FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$322Average$588FlexibilityNo cancel feeOn-time69%
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.