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

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

What airlines fly to Killeen?

Southwest, Delta and American Airlines are the top three most popular airlines that fly to Killeen from Ontario according to our data. Southwest is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Killeen. Keep in mind that there are 7 different airlines that fly to Killeen on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Ontario Airport to Killeen Fort Hood Regional Airport were last updated today.

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

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

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

What documentation or ID do you need to fly to Killeen Fort Hood Regional Airport?

The necessary travel and health documents for your Killeen Fort Hood Regional 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.

$274 Cheap Flights from Ontario to Killeen in 2026

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Find the cheapest flights from Ontario to Killeen

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2:22 pm - 11:44 pmONT Ontario-GRK Killeen Fort Hood Regional

7h 22m1 stop Dallas/Fort Worth

7:00 am - 11:52 amGRK Killeen Fort Hood Regional-ONT Ontario

6h 52m1 stop Dallas/Fort Worth

$376American Airlines

Thu, Nov 5 - Sat, Nov 14

2:22 pm - 11:44 pmONT Ontario-GRK Killeen Fort Hood Regional

7h 22m1 stop Dallas/Fort Worth

7:00 am - 11:52 amGRK Killeen Fort Hood Regional-ONT Ontario

6h 52m1 stop Dallas/Fort Worth

$386American Airlines

Thu, Nov 5 - Sat, Nov 14

11:59 pm - 9:27 amONT Ontario-GRK Killeen Fort Hood Regional

7h 28m1 stop Dallas/Fort Worth

5:00 am - 9:40 amGRK Killeen Fort Hood Regional-ONT Ontario

6h 40m1 stop Dallas/Fort Worth

$386American Airlines

Mon, Nov 9 - Tue, Nov 17

6:00 am - 3:34 pmONT Ontario-GRK Killeen Fort Hood Regional

7h 34m1 stop Dallas/Fort Worth

5:00 am - 9:29 amGRK Killeen Fort Hood Regional-ONT Ontario

6h 29m1 stop Dallas/Fort Worth

$430American Airlines

Tue, Sep 22 - Wed, Sep 30

6:00 am - 3:34 pmONT Ontario-GRK Killeen Fort Hood Regional

7h 34m1 stop Dallas/Fort Worth

7:02 pm - 11:52 pmGRK Killeen Fort Hood Regional-ONT Ontario

6h 50m1 stop Dallas/Fort Worth

$437American Airlines

Mon, Sep 28 - Mon, Oct 5

2:09 pm - 9:11 pmONT Ontario-GRK Killeen Fort Hood Regional

5h 02m1 stop Dallas/Fort Worth

10:00 am - 1:31 pmGRK Killeen Fort Hood Regional-ONT Ontario

5h 31m1 stop Dallas/Fort Worth

$475American Airlines

Tue, Nov 24 - Wed, Dec 2

2:09 pm - 9:11 pmONT Ontario-GRK Killeen Fort Hood Regional

5h 02m1 stop Dallas/Fort Worth

10:00 am - 1:31 pmGRK Killeen Fort Hood Regional-ONT Ontario

5h 31m1 stop Dallas/Fort Worth

$475American Airlines

Wed, Nov 25 - Wed, Dec 2

2:09 pm - 9:11 pmONT Ontario-GRK Killeen Fort Hood Regional

5h 02m1 stop Dallas/Fort Worth

3:07 pm - 6:47 pmGRK Killeen Fort Hood Regional-ONT Ontario

5h 40m1 stop Dallas/Fort Worth

$475American Airlines

Tue, Nov 24 - Wed, Dec 2

2:09 pm - 9:11 pmONT Ontario-GRK Killeen Fort Hood Regional

5h 02m1 stop Dallas/Fort Worth

10:00 am - 1:31 pmGRK Killeen Fort Hood Regional-ONT Ontario

5h 31m1 stop Dallas/Fort Worth

$475American Airlines

Wed, Nov 25 - Wed, Dec 2

2:09 pm - 9:11 pmONT Ontario-GRK Killeen Fort Hood Regional

5h 02m1 stop Dallas/Fort Worth

3:07 pm - 6:47 pmGRK Killeen Fort Hood Regional-ONT Ontario

5h 40m1 stop Dallas/Fort Worth

$476American Airlines

Tue, Nov 24 - Thu, Dec 3

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American Airlines flights from Ontario to Killeen

Our best American Airlines deals on Ontario to Killeen flight tickets

American Airlines

Nov 5

ONT2:22 pmOntario

7h 22m

1 stop

GRK11:44 pmKilleen Fort Hood Regional

Nov 14

GRK7:00 amKilleen Fort Hood Regional

6h 52m

1 stop

ONT11:52 amOntario

$376

American Airlines

Nov 5

ONT2:22 pmOntario

7h 22m

1 stop

GRK11:44 pmKilleen Fort Hood Regional

Nov 14

GRK7:00 amKilleen Fort Hood Regional

6h 52m

1 stop

ONT11:52 amOntario

$386

American Airlines

Sep 22

ONT6:00 amOntario

7h 34m

1 stop

GRK3:34 pmKilleen Fort Hood Regional

Sep 30

GRK5:00 amKilleen Fort Hood Regional

6h 29m

1 stop

ONT9:29 amOntario

$430

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioKilleen

ONT Ontario - GRK Killeen Fort Hood Regional

ONTGRK

Ontario

Thu 11/5

2:22 pm-11:44 pm

1 stop7h 22m

Killeen Fort Hood Regional

Sat 11/14

7:00 am-11:52 am

1 stop6h 52m

$376

OntarioKilleen

ONT Ontario - GRK Killeen Fort Hood Regional

ONTGRK

Ontario

Thu 11/5

2:22 pm-11:44 pm

1 stop7h 22m

Killeen Fort Hood Regional

Sat 11/14

7:00 am-11:52 am

1 stop6h 52m

$386

OntarioKilleen

ONT Ontario - GRK Killeen Fort Hood Regional

ONTGRK

Ontario

Mon 11/9

11:59 pm-9:27 am

1 stop7h 28m

Killeen Fort Hood Regional

Tue 11/17

5:00 am-9:40 am

1 stop6h 40m

$386

OntarioKilleen

ONT Ontario - GRK Killeen Fort Hood Regional

ONTGRK

Ontario

Tue 9/22

6:00 am-3:34 pm

1 stop7h 34m

Killeen Fort Hood Regional

Wed 9/30

5:00 am-9:29 am

1 stop6h 29m

$430

OntarioKilleen

ONT Ontario - GRK Killeen Fort Hood Regional

ONTGRK

Ontario

Mon 9/28

6:00 am-3:34 pm

1 stop7h 34m

Killeen Fort Hood Regional

Mon 10/5

7:02 pm-11:52 pm

1 stop6h 50m

$437

Quickest round-trip

OntarioKilleen

ONT Ontario - GRK Killeen Fort Hood Regional

ONTGRK

Ontario

Tue 11/24

2:09 pm-9:11 pm

1 stop5h 02m

Killeen Fort Hood Regional

Wed 12/2

10:00 am-1:31 pm

1 stop5h 31m

$475

OntarioKilleen

ONT Ontario - GRK Killeen Fort Hood Regional

ONTGRK

Ontario

Wed 11/25

2:09 pm-9:11 pm

1 stop5h 02m

Killeen Fort Hood Regional

Wed 12/2

10:00 am-1:31 pm

1 stop5h 31m

$475

OntarioKilleen

ONT Ontario - GRK Killeen Fort Hood Regional

ONTGRK

Ontario

Tue 11/24

2:09 pm-9:11 pm

1 stop5h 02m

Killeen Fort Hood Regional

Wed 12/2

3:07 pm-6:47 pm

1 stop5h 40m

$475

OntarioKilleen

ONT Ontario - GRK Killeen Fort Hood Regional

ONTGRK

Ontario

Wed 11/25

2:09 pm-9:11 pm

1 stop5h 02m

Killeen Fort Hood Regional

Wed 12/2

10:00 am-1:31 pm

1 stop5h 31m

$475

OntarioKilleen

ONT Ontario - GRK Killeen Fort Hood Regional

ONTGRK

Ontario

Tue 11/24

2:09 pm-9:11 pm

1 stop5h 02m

Killeen Fort Hood Regional

Thu 12/3

3:07 pm-6:47 pm

1 stop5h 40m

$476

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Killeen

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

What is the cheapest month to fly to Killeen?

If you don’t want to visit Killeen in January, then you should wait until September to fly from Ontario, when ticket prices are also cheap, with an average price of $361.

When to book flights from Ontario to Killeen

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

Estimated round-trip price

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

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

Best Price Found	$274
Fastest flight time	6h 23m
Direct flights	None

The best one-way flight to Killeen from Ontario in the past 72 hours is $274. The best round-trip flight deal from Ontario to Killeen found on momondo in the last 72 hours is $376.

The fastest flight from Ontario to Killeen takes 6h 23m

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

Search flight deals

Frequently asked questions about flying from Ontario to Killeen

How far is Ontario to Killeen Fort Hood Regional by plane?
The distance between Ontario and Killeen Fort Hood Regional is about 1174.8 mi. Flights usually cover this in 6h 23m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Ontario Airport to Killeen Fort Hood Regional Airport?
Prices for flights from Ontario Airport to Killeen Fort Hood Regional Airport were last updated today.
How many operators does momondo search for flights from Ontario Airport to Killeen Fort Hood Regional Airport?
As of September 2026, there is 1 operator available to choose from for flights from Ontario Airport to Killeen Fort Hood Regional Airport.
How old do you have to be to fly from Ontario Airport to Killeen Fort Hood Regional 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 Ontario Airport to Killeen Fort Hood Regional Airport.
What documentation or ID do you need to fly to Killeen Fort Hood Regional Airport?
The necessary travel and health documents for your Killeen Fort Hood Regional 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 Ontario to Killeen?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ontario to Killeen is American Airlines (100% of total bookings).

Best airlines flying from Ontario to Killeen

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $316	Free Cancellation	Rating 7.1 12,044 reviews		Search American Airlines flights

Temple

Copperas Cove

Salado

Fort Hood

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

Finding the right flight to Killeen from Ontario 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 Killeen quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Killeen from Ontario which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Killeen from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Ontario to Killeen now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Killeen and let you know when they change.

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Cheap flights from Ontario to Killeen from $274

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Killeen departing on 9/12. 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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How to get the cheapest flight ticket from Ontario to Killeen

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What airlines fly to Killeen?

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

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An easier way to manage your Killeen trip

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