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Cheap flights from Ontario to Killeen from C$ 437

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — GRK
27 Jul — 3 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Killeen

Enter your travel dates to find the best prices.

One-way flights from Ontario to Killeen
Search for one-way flight options from Ontario to Killeen. Find affordable one-way fares based on user searches. Data last updated 27 June 2026.

Fri 7/82:55 p.m.
YYZ
-
GRK
1 stop22h 12m
American Airlines
Deal found 21/6C$ 437
Sat 8/86:28 p.m.
YYZ
-
GRK
1 stop16h 01m
American Airlines
Deal found 21/6C$ 481
Sun 9/86:00 a.m.
YYZ
-
GRK
2 stops16h 05m
American Airlines
Deal found 21/6C$ 573

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Killeen that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 27 June 2026.
Use the filters below to find and compare flights from Ontario to Killeen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest one-way

TorontoKilleen

YYZ - GRK

YYZGRK

Toronto Pearson Intl

Sat 8/8

6:00 a.m.-8:59 p.m.

2 stops15h 59m

C$ 437

TorontoKilleen

YYZ - GRK

YYZGRK

Toronto Pearson Intl

Fri 7/8

2:55 p.m.-12:07 p.m.

1 stop22h 12m

C$ 437
Quickest one-way

TorontoKilleen

YYZ - GRK

YYZGRK

Toronto Pearson Intl

Sun 9/8

6:46 a.m.-2:35 p.m.

1 stop8h 49m

C$ 593

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/6

Sorted by cheapest first

Best time to book a flight from Ontario to Killeen

Have a flexible travel schedule? Discover the best time to fly to Killeen from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Killeen
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Killeen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Killeen from Ontario?

    Killeen Fort Hood Regional (GRK) is the airport you will fly into if you book a flight from Ontario to Killeen. It is only a 11.1 km journey from Fort Hood Regional (GRK) to Killeen’s city centre.

  • Can I find deals for flights from Ontario to Killeen that include hotel bookings?

    Yes. In addition to deals on Ontario to Killeen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Killeen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Killeen.

  • Can I find deals for business class flights from Ontario to Killeen?

    Yes. Cheapflights offers flight deals from Ontario to Killeen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Ontario to Killeen

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How does Cheapflights help users find flights from Ontario to Killeen?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Killeen. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Killeen?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to Killeen.

Can Cheapflights find flights from Ontario to Killeen with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Killeen, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ontario to Killeen become cheaper?

Not ready to book yet? You can track prices for flights from Ontario to Killeen on Cheapflights with our Price Alert feature and get notified when better prices are available.

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