When did momondo last update prices for flights from Killeen Fort Hood Regional Airport to Ontario Airport?

Prices for flights from Killeen Fort Hood Regional Airport to Ontario Airport refresh daily.

How many operators does momondo search for flights from Killeen Fort Hood Regional Airport to Ontario Airport?

As of September 2026, there is 1 operator available to choose from for flights from Killeen Fort Hood Regional Airport to Ontario Airport.

How old do you have to be to fly from Killeen Fort Hood Regional Airport to Ontario Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Killeen Fort Hood Regional Airport to Ontario Airport.

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

The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$219 Cheap Flights from Killeen to Ontario in 2026/27

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3:07 pm - 6:42 pmGRK Killeen Fort Hood Regional-ONT Ontario

5h 35m1 stop Dallas/Fort Worth

11:59 pm - 9:30 amONT Ontario-GRK Killeen Fort Hood Regional

7h 31m1 stop Dallas/Fort Worth

$396American Airlines

Thu, Nov 5 - Sat, Nov 21

10:11 am - 1:25 pmGRK Killeen Fort Hood Regional-ONT Ontario

5h 14m1 stop Dallas/Fort Worth

11:59 pm - 9:21 amONT Ontario-GRK Killeen Fort Hood Regional

7h 22m1 stop Dallas/Fort Worth

$456American Airlines

Sat, Feb 6 - Sat, Feb 13

5:05 am - 9:48 amGRK Killeen Fort Hood Regional-ONT Ontario

6h 43m1 stop Dallas/Fort Worth

2:21 pm - 10:47 pmONT Ontario-GRK Killeen Fort Hood Regional

6h 26m1 stop Dallas/Fort Worth

$515American Airlines

Sat, Feb 6 - Wed, Feb 10

7:23 am - 1:25 pmGRK Killeen Fort Hood Regional-ONT Ontario

8h 02m1 stop Dallas/Fort Worth

5:44 am - 2:39 pmONT Ontario-GRK Killeen Fort Hood Regional

6h 55m1 stop Dallas/Fort Worth

$515American Airlines

Wed, Feb 3 - Wed, Feb 10

12:30 pm - 6:51 pmGRK Killeen Fort Hood Regional-ONT Ontario

8h 21m1 stop Dallas/Fort Worth

5:44 am - 2:39 pmONT Ontario-GRK Killeen Fort Hood Regional

6h 55m1 stop Dallas/Fort Worth

$517American Airlines

Mon, Feb 8 - Wed, Feb 10

7:23 am - 1:25 pmGRK Killeen Fort Hood Regional-ONT Ontario

8h 02m1 stop Dallas/Fort Worth

5:44 am - 2:39 pmONT Ontario-GRK Killeen Fort Hood Regional

6h 55m1 stop Dallas/Fort Worth

$517American Airlines

Tue, Feb 9 - Wed, Feb 10

10:11 am - 1:25 pmGRK Killeen Fort Hood Regional-ONT Ontario

5h 14m1 stop Dallas/Fort Worth

12:26 pm - 11:37 pmONT Ontario-GRK Killeen Fort Hood Regional

9h 11m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$525American Airlines

Sat, Feb 6 - Sat, Feb 13

12:26 pm - 6:42 pmGRK Killeen Fort Hood Regional-ONT Ontario

8h 16m1 stop Dallas/Fort Worth

1:30 pm - 11:46 pmONT Ontario-GRK Killeen Fort Hood Regional

8h 16m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$526American Airlines

Thu, Nov 5 - Sat, Nov 21

7:23 am - 1:25 pmGRK Killeen Fort Hood Regional-ONT Ontario

8h 02m1 stop Dallas/Fort Worth

2:22 pm - 11:37 pmONT Ontario-GRK Killeen Fort Hood Regional

7h 15m1 stop Dallas/Fort Worth

$536American Airlines

Tue, Feb 9 - Sun, Feb 14

12:30 pm - 6:51 pmGRK Killeen Fort Hood Regional-ONT Ontario

8h 21m1 stop Dallas/Fort Worth

5:44 am - 2:39 pmONT Ontario-GRK Killeen Fort Hood Regional

6h 55m1 stop Dallas/Fort Worth

$536American Airlines

Fri, Feb 5 - Wed, Feb 10

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American Airlines flights from Killeen to Ontario

Our best American Airlines deals on Killeen to Ontario flight tickets

American Airlines

Nov 5

GRK3:07 pmKilleen Fort Hood Regional

5h 35m

1 stop

ONT6:42 pmOntario

Nov 21

ONT11:59 pmOntario

7h 31m

1 stop

GRK9:30 amKilleen Fort Hood Regional

$396

American Airlines

Feb 6

GRK10:11 amKilleen Fort Hood Regional

5h 14m

1 stop

ONT1:25 pmOntario

Feb 13

ONT11:59 pmOntario

7h 22m

1 stop

GRK9:21 amKilleen Fort Hood Regional

$456

American Airlines

Feb 3

GRK7:23 amKilleen Fort Hood Regional

8h 02m

1 stop

ONT1:25 pmOntario

Feb 10

ONT5:44 amOntario

6h 55m

1 stop

GRK2:39 pmKilleen Fort Hood Regional

$515

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KilleenOntario

GRK Killeen Fort Hood Regional - ONT Ontario

GRKONT

Killeen Fort Hood Regional

Thu 11/5

3:07 pm-6:42 pm

1 stop5h 35m

Ontario

Sat 11/21

11:59 pm-9:30 am

1 stop7h 31m

$396

Quickest round-trip

KilleenOntario

GRK Killeen Fort Hood Regional - ONT Ontario

GRKONT

Killeen Fort Hood Regional

Sat 2/6

10:11 am-1:25 pm

1 stop5h 14m

Ontario

Sat 2/13

11:59 pm-9:21 am

1 stop7h 22m

$456

KilleenOntario

GRK Killeen Fort Hood Regional - ONT Ontario

GRKONT

Killeen Fort Hood Regional

Sat 2/6

5:05 am-9:48 am

1 stop6h 43m

Ontario

Wed 2/10

2:21 pm-10:47 pm

1 stop6h 26m

$515

KilleenOntario

GRK Killeen Fort Hood Regional - ONT Ontario

GRKONT

Killeen Fort Hood Regional

Wed 2/3

7:23 am-1:25 pm

1 stop8h 02m

Ontario

Wed 2/10

5:44 am-2:39 pm

1 stop6h 55m

$515

KilleenOntario

GRK Killeen Fort Hood Regional - ONT Ontario

GRKONT

Killeen Fort Hood Regional

Mon 2/8

12:30 pm-6:51 pm

1 stop8h 21m

Ontario

Wed 2/10

5:44 am-2:39 pm

1 stop6h 55m

$517

KilleenOntario

GRK Killeen Fort Hood Regional - ONT Ontario

GRKONT

Killeen Fort Hood Regional

Tue 2/9

7:23 am-1:25 pm

1 stop8h 02m

Ontario

Wed 2/10

5:44 am-2:39 pm

1 stop6h 55m

$517

KilleenOntario

GRK Killeen Fort Hood Regional - ONT Ontario

GRKONT

Killeen Fort Hood Regional

Sat 2/6

10:11 am-1:25 pm

1 stop5h 14m

Ontario

Sat 2/13

12:26 pm-11:37 pm

2 stops9h 11m

$525

KilleenOntario

GRK Killeen Fort Hood Regional - ONT Ontario

GRKONT

Killeen Fort Hood Regional

Thu 11/5

12:26 pm-6:42 pm

1 stop8h 16m

Ontario

Sat 11/21

1:30 pm-11:46 pm

2 stops8h 16m

$526

KilleenOntario

GRK Killeen Fort Hood Regional - ONT Ontario

GRKONT

Killeen Fort Hood Regional

Tue 2/9

7:23 am-1:25 pm

1 stop8h 02m

Ontario

Sun 2/14

2:22 pm-11:37 pm

1 stop7h 15m

$536

KilleenOntario

GRK Killeen Fort Hood Regional - ONT Ontario

GRKONT

Killeen Fort Hood Regional

Fri 2/5

12:30 pm-6:51 pm

1 stop8h 21m

Ontario

Wed 2/10

5:44 am-2:39 pm

1 stop6h 55m

$536

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from Killeen 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

What is the cheapest airline that flies from Killeen Fort Hood Regional to Ontario?

American Airlines is the most popular carrier operating from Killeen Fort Hood Regional to Ontario

What airlines fly to Ontario?

Southwest, Delta and American Airlines are the top three most popular airlines that fly to Ontario from Killeen according to our data. Southwest is the first choice among our users, with 34% 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.

When to book flights from Killeen to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Killeen to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Killeen to Ontario (GRK to ONT) flight deals and tips

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

Best Price Found	$219
Fastest flight time	5h 14m
Direct flights	None

The best one-way flight to Ontario from Killeen in the past 72 hours is $219. The best round-trip flight deal from Killeen to Ontario found on momondo in the last 72 hours is $396.

The fastest flight from Killeen to Ontario takes 5h 14m

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

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Frequently asked questions about flying from Killeen to Ontario

How far is Killeen Fort Hood Regional to Ontario by plane?
There are 1174.8 mi between Killeen Fort Hood Regional and Ontario. 5h 14m is a normal flight duration for this route.
When did momondo last update prices for flights from Killeen Fort Hood Regional Airport to Ontario Airport?
Prices for flights from Killeen Fort Hood Regional Airport to Ontario Airport refresh daily.
How many operators does momondo search for flights from Killeen Fort Hood Regional Airport to Ontario Airport?
As of September 2026, there is 1 operator available to choose from for flights from Killeen Fort Hood Regional Airport to Ontario Airport.
How old do you have to be to fly from Killeen Fort Hood Regional Airport to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Killeen Fort Hood Regional Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Killeen to Ontario?
Based on momondo bookings for flights between Killeen and Ontario, the leading airline is American Airlines, making up 100% of the total bookings.

Best airlines flying from Killeen to Ontario

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $425	Free Cancellation	Rating 7.0 12,098 reviews		Search American Airlines flights

Why use momondo?

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

Finding the right flight to Ontario from Killeen 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 Killeen to Ontario with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ontario from Killeen with this policy.

How can momondo help me find flights from Killeen 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 Killeen.

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

Price alerts on flights to Ontario from Killeen 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.

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Cheap flights from Killeen to Los Angeles from $219

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Killeen to Los Angeles departing on 11/22. 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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What airlines fly to Ontario?

When to book flights from Killeen to Ontario

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Frequently asked questions about flying from Killeen to Ontario

Best airlines flying from Killeen to Ontario

Compare and see reviews for airlines that fly from Killeen 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.

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