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 8 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 13m on average, while flying from Tulsa to Los Angeles is 3h 30m 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 85 per week as of August 2026. The most frequent departure day is Fri, with 21% of weekly flights leaving on this day.

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

Frontier, Southwest, and United Airlines are the most popular carriers operating 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 5 as of August 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.

$116 Cheap Flights from Oklahoma to Ontario in 2026

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Find the cheapest flights from Oklahoma to Los Angeles

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:30 am - 9:53 amDFW Dallas/Fort Worth-ONT Ontario

3h 23mnonstop

10:48 am - 3:51 pmONT Ontario-DFW Dallas/Fort Worth

3h 03mnonstop

$172Frontier

Tue, Oct 27 - Sat, Oct 31

3:30 pm - 4:46 pmDFW Dallas/Fort Worth-ONT Ontario

3h 16mnonstop

7:46 pm - 12:54 amONT Ontario-DFW Dallas/Fort Worth

3h 08mnonstop

$172Frontier

Sat, Sep 26 - Mon, Sep 28

5:46 pm - 9:51 amDFW Dallas/Fort Worth-ONT Ontario

18h 05m1 stop Portland

9:37 am - 2:46 pmONT Ontario-DFW Dallas/Fort Worth

3h 09mnonstop

$239Multiple Airlines

Sat, Aug 29 - Sat, Sep 5

5:46 pm - 9:48 amDFW Dallas/Fort Worth-ONT Ontario

18h 02m1 stop Portland

7:11 pm - 12:19 amONT Ontario-DFW Dallas/Fort Worth

3h 08mnonstop

$250Multiple Airlines

Mon, Aug 31 - Wed, Sep 9

8:30 am - 9:34 amDFW Dallas/Fort Worth-ONT Ontario

3h 04mnonstop

7:05 am - 12:15 pmONT Ontario-DFW Dallas/Fort Worth

3h 10mnonstop

$255American Airlines

Sat, Sep 5 - Sun, Sep 6

12:52 pm - 1:53 pmDFW Dallas/Fort Worth-ONT Ontario

3h 01mnonstop

2:22 pm - 7:38 pmONT Ontario-DFW Dallas/Fort Worth

3h 16mnonstop

$255American Airlines

Sat, Sep 5 - Fri, Sep 11

8:05 am - 12:10 pmXNA Fayetteville Northwest Arkansas-ONT Ontario

6h 05m1 stop Salt Lake City

12:00 pm - 11:47 pmONT Ontario-XNA Fayetteville Northwest Arkansas

9h 47m1 stop Atlanta Hartsfield-Jackson

$339Delta

Thu, Dec 17 - Fri, Dec 25

8:00 am - 12:21 pmXNA Fayetteville Northwest Arkansas-ONT Ontario

6h 21m1 stop Salt Lake City

1:24 pm - 8:54 pmONT Ontario-XNA Fayetteville Northwest Arkansas

5h 30m1 stop Salt Lake City

$339Delta

Tue, Oct 20 - Sat, Oct 24

9:09 am - 12:50 pmXNA Fayetteville Northwest Arkansas-ONT Ontario

5h 41m1 stop Denver Intl

5:00 am - 12:47 pmONT Ontario-XNA Fayetteville Northwest Arkansas

5h 47m1 stop Denver Intl

$339United Airlines

Wed, Sep 2 - Sun, Sep 6

11:48 am - 6:12 pmXNA Fayetteville Northwest Arkansas-ONT Ontario

8h 24m1 stop Houston George Bush Intcntl

5:00 am - 12:47 pmONT Ontario-XNA Fayetteville Northwest Arkansas

5h 47m1 stop Denver Intl

$339United Airlines

Sat, Sep 5 - Sun, Sep 6

Cheap last minute flights

Enter your travel dates to find the best prices.

5:20 am - 11:50 pmDFW Dallas/Fort Worth-ONT Ontario

20h 30m1 stop Denver Intl

7:46 pm - 12:54 amONT Ontario-DFW Dallas/Fort Worth

3h 08mnonstop

$253Frontier

Wed, Aug 12 - Fri, Sep 11

5:20 am - 10:04 amDFW Dallas/Fort Worth-ONT Ontario

6h 44m1 stop Denver Intl

7:46 pm - 12:54 amONT Ontario-DFW Dallas/Fort Worth

3h 08mnonstop

$257Frontier

Mon, Aug 10 - Sun, Oct 4

3:44 pm - 11:50 pmOKC Oklahoma City Will Rogers World-ONT Ontario

10h 06m1 stop Denver Intl

12:04 pm - 11:59 pmONT Ontario-OKC Oklahoma City Will Rogers World

9h 55m1 stop Seattle/Tacoma Intl

$354Multiple Airlines

Thu, Aug 13 - Tue, Aug 18

3:28 pm - 11:34 pmDFW Dallas/Fort Worth-ONT Ontario

10h 06m2 stops Minneapolis St Paul Salt Lake City

6:00 am - 9:00 pmONT Ontario-DFW Dallas/Fort Worth

13h 00m2 stops Seattle/Tacoma Intl Salt Lake City

$438Delta

Wed, Aug 12 - Fri, Sep 11

11:40 am - 8:01 pmDFW Dallas/Fort Worth-ONT Ontario

10h 21m2 stops Denver Intl San Francisco

6:08 am - 2:24 pmONT Ontario-DFW Dallas/Fort Worth

6h 16m1 stop San Francisco

$445United Airlines

Wed, Aug 12 - Thu, Sep 10

12:02 pm - 3:54 pmDFW Dallas/Fort Worth-ONT Ontario

5h 52m1 stop Las Vegas Harry Reid Intl

5:26 pm - 5:02 amONT Ontario-DFW Dallas/Fort Worth

9h 36m1 stop Seattle/Tacoma Intl

$481Multiple Airlines

Thu, Aug 13 - Mon, Aug 17

5:45 am - 12:12 pmXNA Fayetteville Northwest Arkansas-ONT Ontario

8h 27m2 stops Denver Intl San Francisco

5:00 am - 12:47 pmONT Ontario-XNA Fayetteville Northwest Arkansas

5h 47m1 stop Denver Intl

$484United Airlines

Thu, Aug 13 - Sun, Aug 16

5:47 pm - 6:47 pmDFW Dallas/Fort Worth-ONT Ontario

3h 00mnonstop

12:33 pm - 5:49 pmONT Ontario-DFW Dallas/Fort Worth

3h 16mnonstop

$606American Airlines

Thu, Aug 13 - Wed, Aug 19

8:30 am - 9:34 amDFW Dallas/Fort Worth-ONT Ontario

3h 04mnonstop

7:05 am - 12:15 pmONT Ontario-DFW Dallas/Fort Worth

3h 10mnonstop

$606American Airlines

Wed, Aug 12 - Mon, Aug 17

3:28 pm - 9:52 pmXNA Fayetteville Northwest Arkansas-ONT Ontario

8h 24m1 stop Atlanta Hartsfield-Jackson

12:00 pm - 11:57 pmONT Ontario-XNA Fayetteville Northwest Arkansas

9h 57m1 stop Atlanta Hartsfield-Jackson

$690Delta

Mon, Aug 10 - Tue, Aug 18

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Frontier flights from Oklahoma to Ontario

Our best Frontier deals on Oklahoma to Ontario flight tickets

Frontier

Sep 9

DFW7:00 amDallas/Fort Worth

5h 30m

1 stop

ONT10:30 amOntario

Sep 9

ONT7:11 pmOntario

3h 08m

DFW12:19 amDallas/Fort Worth

$171

Frontier

Aug 21

DFW7:32 amDallas/Fort Worth

3h 06m

ONT8:38 amOntario

Aug 25

ONT9:37 amOntario

3h 09m

DFW2:46 pmDallas/Fort Worth

$172

Frontier

Aug 24

DFW6:58 pmDallas/Fort Worth

6h 52m

1 stop

ONT11:50 pmOntario

Sep 1

ONT9:37 amOntario

3h 09m

DFW2:46 pmDallas/Fort Worth

$174

Delta flights from Oklahoma to Ontario

Our best Delta deals on Oklahoma to Ontario flight tickets

Delta

Oct 12

XNA6:00 pmFayetteville Northwest Arkansas

7h 55m

1 stop

ONT11:55 pmOntario

Oct 19

ONT11:15 pmOntario

7h 51m

1 stop

XNA9:06 amFayetteville Northwest Arkansas

$339

Delta

Aug 26

XNA4:59 pmFayetteville Northwest Arkansas

8h 35m

2 stops

ONT11:34 pmOntario

Aug 29

ONT6:00 amOntario

9h 19m

2 stops

XNA5:19 pmFayetteville Northwest Arkansas

$349

Delta

Nov 21

XNA6:00 pmFayetteville Northwest Arkansas

6h 08m

1 stop

ONT10:08 pmOntario

Nov 26

ONT1:25 pmOntario

5h 25m

1 stop

XNA8:50 pmFayetteville Northwest Arkansas

$369

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DallasOntario

DFW Dallas/Fort Worth - ONT Ontario

DFWONT

Dallas/Fort Worth

Tue 10/27

8:30 am-9:53 am

Nonstop3h 23m

Ontario

Sat 10/31

10:48 am-3:51 pm

Nonstop3h 03m

$172

DallasOntario

DFW Dallas/Fort Worth - ONT Ontario

DFWONT

Dallas/Fort Worth

Sat 9/26

3:30 pm-4:46 pm

Nonstop3h 16m

Ontario

Mon 9/28

7:46 pm-12:54 am

Nonstop3h 08m

$172

DallasOntario

DFW Dallas/Fort Worth - ONT Ontario

DFWONT

Dallas/Fort Worth

Sat 8/29

5:46 pm-9:51 am

1 stop18h 05m

Ontario

Sat 9/5

9:37 am-2:46 pm

Nonstop3h 09m

$239

DallasOntario

DFW Dallas/Fort Worth - ONT Ontario

DFWONT

Dallas/Fort Worth

Mon 8/31

5:46 pm-9:48 am

1 stop18h 02m

Ontario

Wed 9/9

7:11 pm-12:19 am

Nonstop3h 08m

$250

Quickest round-trip

DallasOntario

DFW Dallas/Fort Worth - ONT Ontario

DFWONT

Dallas/Fort Worth

Sat 9/5

8:30 am-9:34 am

Nonstop3h 04m

Ontario

Sun 9/6

7:05 am-12:15 pm

Nonstop3h 10m

$255

DallasOntario

DFW Dallas/Fort Worth - ONT Ontario

DFWONT

Dallas/Fort Worth

Sat 9/5

12:52 pm-1:53 pm

Nonstop3h 01m

Ontario

Fri 9/11

2:22 pm-7:38 pm

Nonstop3h 16m

$255

FayettevilleOntario

XNA Fayetteville Northwest Arkansas - ONT Ontario

XNAONT

Fayetteville Northwest Arkansas

Thu 12/17

8:05 am-12:10 pm

1 stop6h 05m

Ontario

Fri 12/25

12:00 pm-11:47 pm

1 stop9h 47m

$339

FayettevilleOntario

XNA Fayetteville Northwest Arkansas - ONT Ontario

XNAONT

Fayetteville Northwest Arkansas

Tue 10/20

8:00 am-12:21 pm

1 stop6h 21m

Ontario

Sat 10/24

1:24 pm-8:54 pm

1 stop5h 30m

$339

FayettevilleOntario

XNA Fayetteville Northwest Arkansas - ONT Ontario

XNAONT

Fayetteville Northwest Arkansas

Wed 9/2

9:09 am-12:50 pm

1 stop5h 41m

Ontario

Sun 9/6

5:00 am-12:47 pm

1 stop5h 47m

$339

FayettevilleOntario

XNA Fayetteville Northwest Arkansas - ONT Ontario

XNAONT

Fayetteville Northwest Arkansas

Sat 9/5

11:48 am-6:12 pm

1 stop8h 24m

Ontario

Sun 9/6

5:00 am-12:47 pm

1 stop5h 47m

$339

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, September 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 $288. If you aren’t able to travel during the month of September, then book flights to Ontario from Oklahoma during May instead. Flights to Ontario in May, while not as cheap as those in September, still average around $336.

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

Fastest flight time	3h 05m
Direct flights	Every day
Airports in Ontario	1 airport

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

Direct flights go from Oklahoma to Ontario every day.

There is 1 airport in Ontario. From Oklahoma there are direct flights to Ontario (ONT).

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 5 as of August 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 2,721 reviews	Search Frontier flights
United Airlines	PriceFrom $226	Free Cancellation	Rating 7.4 10,085 reviews	Search United Airlines flights
Southwest	PriceFrom $249	Free Cancellation	Rating 8.0 4,216 reviews	Search Southwest flights
American Airlines	PriceFrom $288	Free Cancellation	Rating 7.1 11,884 reviews	Search American Airlines 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 $116

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 9/15. 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

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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

Fastest flight time

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Airports in Ontario

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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