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 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.

$437 Cheap Flights from Killeen to Ontario in 2026

1 adult

0 bags

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Find the cheapest flights from Killeen to Los Angeles

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Cheap round-trip flights

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7:09 pm - 11:46 pm

GRK

ONT

6h 37m

1 stop

11:59 pm - 9:35 am

ONT

GRK

7h 36m

1 stop

$437American Airlines

Thu, May 14 - Sat, May 16

7:09 pm - 10:36 pm

GRK

ONT

5h 27m

1 stop

12:19 pm - 11:46 pm

ONT

GRK

9h 27m

2 stops

$474American Airlines

Thu, May 14 - Sat, May 16

11:56 am - 10:07 pm

GRK

ONT

12h 11m

2 stops

11:58 pm - 9:45 am

ONT

GRK

7h 47m

1 stop

$563American Airlines

Mon, Mar 2 - Mon, Mar 9

5:00 am - 11:34 am

GRK

ONT

8h 34m

2 stops

12:19 pm - 11:46 pm

ONT

GRK

9h 27m

2 stops

$687American Airlines

Thu, May 14 - Sat, May 16

American Airlines flights from Killeen to Ontario

Our best American Airlines deals on Killeen to Ontario flight tickets

American Airlines

May 14

GRK7:09 pmKilleen Fort Hood Regional

6h 37m

1 stop

ONT11:46 pmOntario

May 16

ONT11:59 pmOntario

7h 36m

1 stop

GRK9:35 amKilleen Fort Hood Regional

$437

American Airlines

May 14

GRK7:09 pmKilleen Fort Hood Regional

5h 27m

1 stop

ONT10:36 pmOntario

May 16

ONT12:19 pmOntario

9h 27m

2 stops

GRK11:46 pmKilleen Fort Hood Regional

$474

American Airlines

Feb 5

GRK12:31 pmKilleen Fort Hood Regional

8h 14m

1 stop

ONT6:45 pmOntario

Feb 8

ONT3:09 pmOntario

5h 34m

1 stop

GRK10:43 pmKilleen Fort Hood Regional

$563

Fly from

Fly to

Route

Depart

Return

Price

KilleenOntario

GRK - ONT

GRKONT

Killeen Fort Hood Regional

Thu 5/14

7:09 pm-11:46 pm

1 stop6h 37m

Ontario

Sat 5/16

11:59 pm-9:35 am

1 stop7h 36m

$437

KilleenOntario

GRK - ONT

GRKONT

Killeen Fort Hood Regional

Thu 5/14

7:09 pm-10:36 pm

1 stop5h 27m

Ontario

Sat 5/16

12:19 pm-11:46 pm

2 stops9h 27m

$474

KilleenOntario

GRK - ONT

GRKONT

Killeen Fort Hood Regional

Mon 3/2

11:56 am-10:07 pm

2 stops12h 11m

Ontario

Mon 3/9

11:58 pm-9:45 am

1 stop7h 47m

$563

KilleenOntario

GRK - ONT

GRKONT

Killeen Fort Hood Regional

Thu 5/14

5:00 am-11:34 am

2 stops8h 34m

Ontario

Sat 5/16

12:19 pm-11:46 pm

2 stops9h 27m

$687

Flights are sorted by cheapest round-trip flights first.

Sorted 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 airlines fly to Ontario?

Southwest, American Airlines and Delta 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 32% 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.

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

Fastest flight time	5h 12m
Direct flights	None

The fastest flight from Killeen to Ontario takes 5h 12m

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

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How far is Killeen Fort Hood Regional to Ontario by plane?
There are 1174.8 mi between Killeen Fort Hood Regional and Ontario. 5h 12m 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 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.

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.