What is the cheapest airline that flies from Oklahoma to Ontario?

Frontier, United Airlines, and Delta are the most popular carriers operating from Oklahoma to Ontario

What airlines fly to Ontario?

American Airlines, Southwest and Frontier are the top three most popular airlines that fly to Ontario from Oklahoma according to our data. American Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Ontario?

Average flight duration from Oklahoma to Ontario depends on which airport you fly into and out of. Flying from Oklahoma City to Los Angeles is 3h 15m on average, while flying from Tulsa to Los Angeles is 3h 32m on average. Los Angeles is the most popular airport in Ontario.

How many flights depart from Oklahoma to Ontario on average per week?

The number of flights available between Oklahoma and Ontario is 6 per week as of September 2026. The most frequent departure day is Mon, with 33% of weekly flights leaving on this day.

When did momondo last update prices for flights from Oklahoma to Ontario Airport?

Prices for flights from Oklahoma to Ontario Airport are updated daily.

How many operators does momondo search for flights from Oklahoma to Ontario Airport?

The number of operators available for flights from Oklahoma to Ontario Airport is 4 as of September 2026.

How old do you have to be to fly from Oklahoma to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oklahoma to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$77 Cheap Flights from Oklahoma to Ontario in 2026/27

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8:27 pm - 10:29 amOKC Oklahoma City Will Rogers World-ONT Ontario

16h 02m1 stop Denver Intl

11:52 am - 7:24 pmONT Ontario-OKC Oklahoma City Will Rogers World

5h 32m1 stop Denver Intl

$138Frontier

Tue, Oct 20 - Sat, Nov 7

8:27 pm - 11:50 pmOKC Oklahoma City Will Rogers World-ONT Ontario

5h 23m1 stop Denver Intl

11:52 am - 7:42 pmONT Ontario-OKC Oklahoma City Will Rogers World

5h 50m1 stop Denver Intl

$138Frontier

Sat, Oct 17 - Wed, Oct 21

7:31 am - 1:30 pmTUL Tulsa-ONT Ontario

7h 59m1 stop Dallas/Fort Worth

11:59 pm - 8:17 amONT Ontario-TUL Tulsa

6h 18m1 stop Dallas/Fort Worth

$347American Airlines

Sat, Oct 17 - Sat, Oct 24

8:17 pm - 11:52 pmTUL Tulsa-ONT Ontario

5h 35m1 stop Dallas/Fort Worth

11:59 pm - 9:45 amONT Ontario-TUL Tulsa

7h 46m1 stop Dallas/Fort Worth

$347American Airlines

Thu, Oct 22 - Mon, Oct 26

9:45 am - 12:50 pmTUL Tulsa-ONT Ontario

5h 05m1 stop Austin Bergstrom

8:40 am - 3:40 pmONT Ontario-TUL Tulsa

5h 00m1 stop Las Vegas Harry Reid Intl

$347Southwest

Wed, Dec 9 - Wed, Dec 16

6:40 am - 10:20 amTUL Tulsa-ONT Ontario

5h 40m1 stop Las Vegas Harry Reid Intl

7:50 am - 3:45 pmONT Ontario-TUL Tulsa

5h 55m1 stop Austin Bergstrom

$347Southwest

Thu, Oct 29 - Tue, Nov 3

6:00 am - 11:27 amTUL Tulsa-ONT Ontario

7h 27m1 stop Atlanta Hartsfield-Jackson

5:05 pm - 11:59 pmONT Ontario-TUL Tulsa

4h 54m1 stop Salt Lake City

$347Delta

Wed, Feb 17 - Tue, Feb 23

6:00 am - 11:27 amTUL Tulsa-ONT Ontario

7h 27m1 stop Atlanta Hartsfield-Jackson

12:00 pm - 10:21 pmONT Ontario-TUL Tulsa

8h 21m1 stop Atlanta Hartsfield-Jackson

$347Delta

Wed, Feb 17 - Sat, Feb 27

9:00 am - 12:46 pmTUL Tulsa-ONT Ontario

5h 46m1 stop Denver Intl

8:03 am - 8:26 pmONT Ontario-TUL Tulsa

10h 23m2 stops San Francisco Denver Intl

$352United Airlines

Sat, Oct 17 - Sat, Oct 24

11:44 am - 5:46 pmTUL Tulsa-ONT Ontario

8h 02m2 stops Denver Intl San Francisco

1:52 pm - 11:44 pmONT Ontario-TUL Tulsa

7h 52m2 stops San Francisco Denver Intl

$357United Airlines

Sat, Oct 17 - Sat, Oct 24

Cheap last minute flights

Enter your travel dates to find the best prices.

8:30 pm - 11:47 pmOKC Oklahoma City Will Rogers World-ONT Ontario

5h 17m1 stop Denver Intl

11:52 am - 7:32 pmONT Ontario-OKC Oklahoma City Will Rogers World

5h 40m1 stop Denver Intl

$270Frontier

Sat, Sep 26 - Sat, Oct 10

8:30 pm - 11:47 pmOKC Oklahoma City Will Rogers World-ONT Ontario

5h 17m1 stop Denver Intl

11:52 am - 7:32 pmONT Ontario-OKC Oklahoma City Will Rogers World

5h 40m1 stop Denver Intl

$281Frontier

Sat, Sep 26 - Sat, Oct 10

11:11 am - 6:17 pmOKC Oklahoma City Will Rogers World-ONT Ontario

9h 06m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

6:00 am - 2:24 pmONT Ontario-OKC Oklahoma City Will Rogers World

6h 24m1 stop Dallas/Fort Worth

$472American Airlines

Tue, Sep 29 - Sat, Oct 10

11:11 am - 6:17 pmOKC Oklahoma City Will Rogers World-ONT Ontario

9h 06m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

1:05 pm - 8:32 pmONT Ontario-OKC Oklahoma City Will Rogers World

5h 27m1 stop Phoenix Sky Harbor Intl

$472American Airlines

Sat, Sep 26 - Sat, Oct 10

1:20 pm - 11:47 pmOKC Oklahoma City Will Rogers World-ONT Ontario

12h 27m2 stops Atlanta Hartsfield-Jackson Salt Lake City

1:35 pm - 8:52 pmONT Ontario-OKC Oklahoma City Will Rogers World

5h 17m1 stop Salt Lake City

$577Delta

Tue, Sep 29 - Sat, Oct 10

1:50 pm - 8:58 pmOKC Oklahoma City Will Rogers World-ONT Ontario

9h 08m2 stops Houston George Bush Intcntl Denver Intl

8:03 am - 8:05 pmONT Ontario-OKC Oklahoma City Will Rogers World

10h 02m2 stops San Francisco Denver Intl

$582United Airlines

Tue, Sep 29 - Wed, Oct 7

6:00 am - 11:09 amTUL Tulsa-ONT Ontario

7h 09m1 stop Atlanta Hartsfield-Jackson

1:35 pm - 8:53 pmONT Ontario-TUL Tulsa

5h 18m1 stop Salt Lake City

$632Delta

Sun, Sep 27 - Sat, Oct 24

9:00 am - 8:31 pmOKC Oklahoma City Will Rogers World-ONT Ontario

13h 31m2 stops Denver Intl San Francisco

5:00 am - 12:52 pmONT Ontario-OKC Oklahoma City Will Rogers World

5h 52m1 stop Denver Intl

$768United Airlines

Fri, Sep 25 - Mon, Sep 28

7:00 am - 11:25 amTUL Tulsa-ONT Ontario

6h 25m1 stop Las Vegas Harry Reid Intl

5:30 am - 4:00 pmONT Ontario-TUL Tulsa

8h 30m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

$922Southwest

Mon, Sep 28 - Fri, Oct 2

10:05 am - 3:15 pmTUL Tulsa-ONT Ontario

7h 10m1 stop Phoenix Sky Harbor Intl

1:15 pm - 10:55 pmONT Ontario-TUL Tulsa

7h 40m2 stops Sacramento Intl Las Vegas Harry Reid Intl

$922Southwest

Sat, Sep 26 - Mon, Sep 28

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Frontier flights from Oklahoma to Ontario

Our best Frontier deals on Oklahoma to Ontario flight tickets

Frontier

Oct 17

OKC8:27 pmOklahoma City Will Rogers World

5h 23m

1 stop

ONT11:50 pmOntario

Oct 21

ONT11:52 amOntario

5h 50m

1 stop

OKC7:42 pmOklahoma City Will Rogers World

$138

Frontier

Oct 27

OKC8:19 pmOklahoma City Will Rogers World

5h 32m

1 stop

ONT11:51 pmOntario

Nov 3

ONT11:52 amOntario

5h 32m

1 stop

OKC7:24 pmOklahoma City Will Rogers World

$140

Frontier

Oct 20

OKC8:27 pmOklahoma City Will Rogers World

16h 02m

1 stop

ONT10:29 amOntario

Oct 27

ONT6:25 amOntario

10h 59m

1 stop

OKC7:24 pmOklahoma City Will Rogers World

$141

Delta flights from Oklahoma to Ontario

Our best Delta deals on Oklahoma to Ontario flight tickets

Delta

Feb 17

TUL6:00 amTulsa

7h 27m

1 stop

ONT11:27 amOntario

Feb 23

ONT5:05 pmOntario

4h 54m

1 stop

TUL11:59 pmTulsa

$347

Delta

Feb 17

TUL6:00 amTulsa

7h 27m

1 stop

ONT11:27 amOntario

Feb 26

ONT5:05 pmOntario

4h 54m

1 stop

TUL11:59 pmTulsa

$368

Delta

Nov 18

TUL8:00 amTulsa

6h 17m

1 stop

ONT12:17 pmOntario

Nov 25

ONT5:04 pmOntario

5h 11m

1 stop

TUL12:15 amTulsa

$372

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Oklahoma CityOntario

OKC Oklahoma City Will Rogers World - ONT Ontario

OKCONT

Oklahoma City Will Rogers World

Tue 10/20

8:27 pm-10:29 am

1 stop16h 02m

Ontario

Sat 11/7

11:52 am-7:24 pm

1 stop5h 32m

$138

Oklahoma CityOntario

OKC Oklahoma City Will Rogers World - ONT Ontario

OKCONT

Oklahoma City Will Rogers World

Sat 10/17

8:27 pm-11:50 pm

1 stop5h 23m

Ontario

Wed 10/21

11:52 am-7:42 pm

1 stop5h 50m

$138

TulsaOntario

TUL Tulsa - ONT Ontario

TULONT

Tulsa

Sat 10/17

7:31 am-1:30 pm

1 stop7h 59m

Ontario

Sat 10/24

11:59 pm-8:17 am

1 stop6h 18m

$347

TulsaOntario

TUL Tulsa - ONT Ontario

TULONT

Tulsa

Thu 10/22

8:17 pm-11:52 pm

1 stop5h 35m

Ontario

Mon 10/26

11:59 pm-9:45 am

1 stop7h 46m

$347

Quickest round-trip

TulsaOntario

TUL Tulsa - ONT Ontario

TULONT

Tulsa

Wed 12/9

9:45 am-12:50 pm

1 stop5h 05m

Ontario

Wed 12/16

8:40 am-3:40 pm

1 stop5h 00m

$347

TulsaOntario

TUL Tulsa - ONT Ontario

TULONT

Tulsa

Thu 10/29

6:40 am-10:20 am

1 stop5h 40m

Ontario

Tue 11/3

7:50 am-3:45 pm

1 stop5h 55m

$347

TulsaOntario

TUL Tulsa - ONT Ontario

TULONT

Tulsa

Wed 2/17

6:00 am-11:27 am

1 stop7h 27m

Ontario

Tue 2/23

5:05 pm-11:59 pm

1 stop4h 54m

$347

TulsaOntario

TUL Tulsa - ONT Ontario

TULONT

Tulsa

Wed 2/17

6:00 am-11:27 am

1 stop7h 27m

Ontario

Sat 2/27

12:00 pm-10:21 pm

1 stop8h 21m

$347

TulsaOntario

TUL Tulsa - ONT Ontario

TULONT

Tulsa

Sat 10/17

9:00 am-12:46 pm

1 stop5h 46m

Ontario

Sat 10/24

8:03 am-8:26 pm

2 stops10h 23m

$352

TulsaOntario

TUL Tulsa - ONT Ontario

TULONT

Tulsa

Sat 10/17

11:44 am-5:46 pm

2 stops8h 02m

Ontario

Sat 10/24

1:52 pm-11:44 pm

2 stops7h 52m

$357

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Oklahoma to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Ontario?

In general, May is the cheapest month to fly from Oklahoma to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $336. If you aren’t able to travel during the month of May, then book flights to Ontario from Oklahoma during November instead. Flights to Ontario in November, while not as cheap as those in May, still average around $341.

What is the cheapest Oklahoma to Ontario flight route?

Fly from Oklahoma City Will Rogers World to Ontario for the best Oklahoma - Ontario flight prices

What cabin class options are available on Oklahoma to Ontario flights?

There is only 1 cabin class available to choose from on Oklahoma to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Oklahoma to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oklahoma to Ontario

Best Price Found	$77
Fastest flight time	3h 05m
Direct flights	None

The best one-way flight to Ontario from Oklahoma in the past 72 hours is $77. The best round-trip flight deal from Oklahoma to Ontario found on momondo in the last 72 hours is $138.

The fastest flight from Oklahoma to Ontario takes 3h 05m

There are no direct flights from Oklahoma to Ontario. There are no popular flight routes from Oklahoma to Ontario.

Search flight deals

Frequently asked questions about flying from Oklahoma to Ontario

When did momondo last update prices for flights from Oklahoma to Ontario Airport?
Prices for flights from Oklahoma to Ontario Airport are updated daily.
How many operators does momondo search for flights from Oklahoma to Ontario Airport?
The number of operators available for flights from Oklahoma to Ontario Airport is 4 as of September 2026.
How old do you have to be to fly from Oklahoma to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oklahoma to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Oklahoma to Ontario

Compare and see reviews for airlines that fly from Oklahoma to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $134	Free Cancellation	Rating 5.6 2,579 reviews	Search Frontier flights
United Airlines	PriceFrom $257	Free Cancellation	Rating 7.4 10,226 reviews	Search United Airlines flights
American Airlines	PriceFrom $288	Free Cancellation	Rating 7.0 12,077 reviews	Search American Airlines flights
Southwest	PriceFrom $326	Free Cancellation	Rating 8.0 4,198 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Oklahoma to Ontario?

Finding the right flight to Ontario from Oklahoma is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

Can I find flights from Oklahoma to Ontario with flexible booking policies on momondo?

Yes. All flights to Ontario from Oklahoma on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Oklahoma to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Oklahoma.

I’m not ready to book a flight from Oklahoma to Ontario right now. Can momondo alert me if prices change?

Price alerts on flights to Ontario from Oklahoma are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Ontario trip

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Cheap flights from Oklahoma to Los Angeles from $77

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oklahoma to Los Angeles departing on 11/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Frontier flights from Oklahoma to Ontario

Our best Frontier deals on Oklahoma to Ontario flight tickets

Delta flights from Oklahoma to Ontario

Our best Delta deals on Oklahoma to Ontario flight tickets

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How to get the cheapest flight ticket from Oklahoma to Ontario

What is the cheapest month to fly to Ontario?

What is the cheapest Oklahoma to Ontario flight route?

What cabin class options are available on Oklahoma to Ontario flights?

What is the cheapest airline that flies from Oklahoma to Ontario?

What airlines fly to Ontario?

How many flights depart from Oklahoma to Ontario on average per week?

How long does it take to fly to Ontario?

Cheap Oklahoma to Ontario flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Oklahoma to Ontario

Best airlines flying from Oklahoma to Ontario

Compare and see reviews for airlines that fly from Oklahoma to Ontario with momondo

Why use momondo?

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California

Fly your favorite airline to Los Angeles

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Los Angeles

List of cabin classes available on flights landing in Los Angeles. Availability may vary depending on flight origin and airline.

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