What are the cheapest airlines flying from Ontario to Oklahoma City round-trip?

Our cheapest airline available from Ontario to Oklahoma City is Frontier. Our recent data shows that you can find tickets from as low as $144 on this airline. Additional options worth looking into are Southwest and Delta, starting at $267 and $279 round-trip. You may be able to fly from Ontario to Oklahoma City for 58% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Ontario to Oklahoma City one-way?

The cheapest airlines for a one-way flight from Ontario to Oklahoma City are Frontier ($72), United Airlines ($129), and Alaska Airlines ($134).

What is the cheapest day to fly from Ontario to Oklahoma City?

Travelers seeking maximum savings on their Ontario to Oklahoma City flight should consider departing on Monday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Oklahoma City ranges from 1.2 - 5.1 inches per month. May is typically the wettest month, when rainfall can reach 5.1 in. January is typically the driest time to visit Oklahoma City when rainfall is around 1.2 in.

If weather is an important factor for your trip to Oklahoma City, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 F).

What are the most popular airlines that fly from Ontario to Oklahoma City?

When booking a flight from Ontario to Oklahoma City, you may want to consider flying on American Airlines, Frontier or United Airlines as they are the most popular for this route.

What is the cheapest day to fly round-trip from Ontario to Oklahoma City?

Leaving on a Sunday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 76% on the overall cost on flights from Ontario to Oklahoma City.

How far in advance should I book a flight from Ontario to Oklahoma City?

To save on the cost of your flight from Ontario to Oklahoma City, book at least 48 days before your planned departure. Booking around this time can save you about 69% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $387 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $413.

What is the cheapest month to fly from Ontario to Oklahoma City?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, April can be a great choice for travel to Oklahoma City. Flights to Oklahoma City from Ontario in April are about $412 on average during April, but can be found for as low as $182.

Can I find deals for flights from Ontario to Oklahoma City that include hotel bookings?

Yes. In addition to deals on Ontario to Oklahoma City flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to Oklahoma City?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Oklahoma City.

Can I find deals for business class flights from Ontario to Oklahoma City?

Yes. Cheapflights offers flight deals from Ontario to Oklahoma City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$72+ Flights from Ontario to Oklahoma City

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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.

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Cheapflights Tip: The best prices from Ontario to Oklahoma City Will Rogers World are usually found in July or February, booked 77 days in advance, depart on a Monday or Thursday and return on a Sunday

Cheap flight deals from Ontario to Oklahoma City

Round-trip from	$144 (Priceline)
One-way from	$72 (Priceline)
Popular in	June
Cheapest in	July
Average price	$288

From Ontario to Oklahoma City Will Rogers World

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One-way flight from Ontario to Oklahoma City Will Rogers World

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Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

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Find flight deals from Ontario to Oklahoma City

Cheapest flights from Ontario to Oklahoma City
Explore the most affordable flight options available from Ontario to Oklahoma City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Thu 7/246:00 amONT - OKC

1 stop5h 11mFrontier

Tue 7/296:05 amOKC - ONT

1 stop5h 04mFrontier

Deal found 7/2

$144

Sat 8/25:25 amONT - OKC

1 stop4h 35mSouthwest

Sat 8/28:30 pmOKC - ONT

1 stop4h 40mSouthwest

Deal found 7/1

$267

Best flights from Ontario to Oklahoma City
Discover carefully curated flight deals from Ontario to Oklahoma City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Thu 7/246:00 amONT - OKC

1 stop5h 11mFrontier

Tue 7/296:05 amOKC - ONT

1 stop5h 04mFrontier

Deal found 7/2

$144

Sat 8/25:25 amONT - OKC

1 stop4h 35mSouthwest

Sat 8/28:30 pmOKC - ONT

1 stop4h 40mSouthwest

Deal found 7/1

$267

Thu 8/219:50 amONT - OKC

1 stop5h 57mDelta

Mon 8/256:28 pmOKC - ONT

1 stop6h 12mDelta

Deal found 7/2

$279

Last-minute flights from Ontario to Oklahoma City
Discover last-minute flight deals from Ontario to Oklahoma City. Data last updated July 3, 2025 and is based on user searches.

Tue 7/89:00 amONT - OKC

2 stops6h 40mSouthwest

Fri 7/187:45 pmOKC - ONT

1 stop5h 25mSouthwest

Deal found 6/30

$587

Thu 7/106:00 amONT - OKC

1 stop5h 11mFrontier

Sat 7/126:05 amOKC - ONT

1 stop5h 04mFrontier

Deal found 7/1

$168

Thu 7/106:00 amONT - OKC

2 stops12h 21mDelta

Thu 7/171:55 pmOKC - ONT

1 stop10h 32mDelta

Deal found 7/2

$1,298

Sat 7/126:10 amONT - OKC

2 stops11h 38mUnited Airlines

Sat 7/195:14 pmOKC - ONT

1 stop6h 23mUnited Airlines

Deal found 7/1

$597

Sun 7/136:10 pmONT - OKC

2 stops17h 38mAlaska Airlines

Sun 7/207:00 amOKC - ONT

1 stop8h 26mAlaska Airlines

Deal found 7/1

$960

Thu 7/246:00 amONT - OKC

1 stop5h 11mFrontier

Tue 7/296:05 amOKC - ONT

1 stop5h 04mFrontier

Deal found 7/2

$144

Sat 8/25:25 amONT - OKC

1 stop4h 35mSouthwest

Sat 8/28:30 pmOKC - ONT

1 stop4h 40mSouthwest

Deal found 7/1

$267

Thu 8/219:50 amONT - OKC

1 stop5h 57mDelta

Mon 8/256:28 pmOKC - ONT

1 stop6h 12mDelta

Deal found 7/2

$279

One-way flights from Ontario to Oklahoma City
Search for one-way flight options from Ontario to Oklahoma City. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Sun 7/66:00 amONT - OKC

1 stop5h 21mFrontier

Deal found 7/2

$72

Wed 7/306:00 amONT - OKC

1 stop5h 37mUnited Airlines

Deal found 7/3

$129

Tue 8/122:21 pmONT - OKC

1 stop7h 19mAlaska Airlines

Deal found 7/1

$134

Mon 9/14:50 pmONT - OKC

1 stop5h 06mDelta

Deal found 7/3

$140

Sat 9/61:10 pmONT - OKC

2 stops7h 31mAmerican Airlines

Deal found 7/1

$165

Thu 7/315:15 amONT - OKC

2 stops6h 50mSouthwest

Deal found 7/2

$239

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Oklahoma City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioOklahoma City

ONT - OKC

ONTOKC

Ontario

Thu 7/24

6:00 am-1:11 pm

1 stop5h 11m

Oklahoma City Will Rogers World

Tue 7/29

6:05 am-9:09 am

1 stop5h 04m

$144

OntarioOklahoma City

ONT - OKC

ONTOKC

Ontario

Sat 8/2

5:25 am-12:00 pm

1 stop4h 35m

Oklahoma City Will Rogers World

Sat 8/2

8:30 pm-11:10 pm

1 stop4h 40m

$267

OntarioOklahoma City

ONT - OKC

ONTOKC

Ontario

Thu 8/21

9:50 am-5:47 pm

1 stop5h 57m

Oklahoma City Will Rogers World

Mon 8/25

6:28 pm-10:40 pm

1 stop6h 12m

$279

OntarioOklahoma City

ONT - OKC

ONTOKC

Ontario

Sun 7/6

6:00 am-1:21 pm

1 stop5h 21m

$72

OntarioOklahoma City

ONT - OKC

ONTOKC

Ontario

Wed 7/30

6:00 am-1:37 pm

1 stop5h 37m

$129

OntarioOklahoma City

ONT - OKC

ONTOKC

Ontario

Tue 8/12

2:21 pm-11:40 pm

1 stop7h 19m

$134

OntarioOklahoma City

ONT - OKC

ONTOKC

Ontario

Mon 9/1

4:50 pm-11:56 pm

1 stop5h 06m

$140

OntarioOklahoma City

ONT - OKC

ONTOKC

Ontario

Sat 9/6

1:10 pm-10:41 pm

2 stops7h 31m

$165

OntarioOklahoma City

ONT - OKC

ONTOKC

Ontario

Thu 7/31

5:15 am-2:05 pm

2 stops6h 50m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Ontario to Oklahoma City

Have a flexible travel schedule? Discover the best time to fly to Oklahoma City from Ontario 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 Ontario to Oklahoma City

How far ahead should I book a flight from Ontario to Oklahoma City?

The price you pay for your flight from Ontario to Oklahoma City may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Ontario to Oklahoma City?

Currently, January is the cheapest month in which you can book a flight from Ontario to Oklahoma City (average of $348). Flying from Ontario to Oklahoma City in June is currently the most expensive (average of $403). 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 ONT to OKC?

One of the essential ways to save on airfare from Ontario to Oklahoma City is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 44% on airfare.

Reviews of airlines servicing Oklahoma City

Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Ontario to Oklahoma City. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very good

4,266 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,982 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,861 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

What are the cheapest airlines flying from Ontario to Oklahoma City round-trip?
Our cheapest airline available from Ontario to Oklahoma City is Frontier. Our recent data shows that you can find tickets from as low as $144 on this airline. Additional options worth looking into are Southwest and Delta, starting at $267 and $279 round-trip. You may be able to fly from Ontario to Oklahoma City for 58% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Ontario to Oklahoma City one-way?
The cheapest airlines for a one-way flight from Ontario to Oklahoma City are Frontier ($72), United Airlines ($129), and Alaska Airlines ($134).
Can I find deals for flights from Ontario to Oklahoma City that include hotel bookings?
Yes. In addition to deals on Ontario to Oklahoma City flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Oklahoma City?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Oklahoma City.
Can I find deals for business class flights from Ontario to Oklahoma City?
Yes. Cheapflights offers flight deals from Ontario to Oklahoma City 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 Ontario to Oklahoma City?
Currently, January is the cheapest month in which you can book a flight from Ontario to Oklahoma City (average of $348). Flying from Ontario to Oklahoma City in June is currently the most expensive (average of $403). 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

Norman

Yukon

Shawnee

Ada

Moore

Midwest City

Edmond

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Top 4 airlines flying from Ontario to Oklahoma City

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$110	Average$198	FlexibilityNo cancel fee	On-time62%
Southwest	Cheapest$279	Average$380	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$296	Average$367	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$346	Average$386	FlexibilityNo cancel fee	On-time69%

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$72+ Cheap flights from Ontario to Oklahoma City (ONT - OKC)

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Oklahoma City with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Ontario to Oklahoma City Will Rogers World are usually found in July or February, booked 77 days in advance, depart on a Monday or Thursday and return on a Sunday

Cheap flight deals from Ontario to Oklahoma City

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Oklahoma City

Cheapest flights from Ontario to Oklahoma CityExplore the most affordable flight options available from Ontario to Oklahoma City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Ontario to Oklahoma City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Oklahoma City that are best for you.

Best time to book a flight from Ontario to Oklahoma City

Have a flexible travel schedule? Discover the best time to fly to Oklahoma City from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Oklahoma City

How far ahead should I book a flight from Ontario to Oklahoma City?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Oklahoma City. Price data was last updated on June 27, 2025.

What is the cheapest month to book a flight from Ontario to Oklahoma City?

What is the cheapest time of day to fly from ONT to OKC?

Find hourly flight availability from Ontario to Oklahoma City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

Reviews of airlines servicing Oklahoma City

Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Ontario to Oklahoma City. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Oklahoma City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Ontario to Oklahoma City round-trip?

What are the cheapest airlines to fly from Ontario to Oklahoma City one-way?

Can I find deals for flights from Ontario to Oklahoma City that include hotel bookings?

How can I find direct flights from Ontario to Oklahoma City?

Can I find deals for business class flights from Ontario to Oklahoma City?

What is the cheapest month to book a flight from Ontario to Oklahoma City?

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Top 4 airlines flying from Ontario to Oklahoma City

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Cheapest flights from Ontario to Oklahoma City
Explore the most affordable flight options available from Ontario to Oklahoma City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.