Find flights
When to book
FAQs

Cheap flights from Killeen to Ontario from C$ 1,121

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/8. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — YYZ
23 Apr — 30 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Killeen to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Killeen to Ontario
Explore the most affordable flight options available from Killeen to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 March 2026.

Mon 17/87:22 p.m.
GRK
-
YYZ
2 stops16h 13m
American Airlines
Tue 18/82:45 p.m.
YYZ
-
GRK
1 stop5h 09m
American Airlines
Deal found 20/3C$ 1,121
Sat 15/85:00 a.m.
GRK
-
YYZ
2 stops17h 09m
American Airlines
Wed 19/87:25 a.m.
YYZ
-
GRK
2 stops14h 44m
American Airlines
Deal found 20/3C$ 1,140
Tue 11/812:35 p.m.
GRK
-
YYZ
1 stop9h 24m
American Airlines
Tue 18/86:46 a.m.
YYZ
-
GRK
1 stop6h 32m
American Airlines
Deal found 20/3C$ 1,142
Sun 26/45:00 a.m.
GRK
-
YYZ
2 stops8h 43m
American Airlines
Thu 30/46:15 p.m.
YYZ
-
GRK
1 stop16h 20m
American Airlines
Deal found 24/3C$ 1,155
Sun 9/83:06 p.m.
GRK
-
YYZ
1 stop6h 53m
American Airlines
Wed 19/86:46 a.m.
YYZ
-
GRK
1 stop8h 53m
American Airlines
Deal found 20/3C$ 1,172
Sun 14/67:21 p.m.
GRK
-
YYZ
2 stops14h 51m
American Airlines
Fri 19/66:46 a.m.
YYZ
-
GRK
1 stop8h 51m
American Airlines
Deal found 24/3C$ 1,184
Sun 14/67:21 p.m.
GRK
-
YYZ
2 stops14h 51m
American Airlines
Thu 18/67:20 a.m.
YYZ
-
GRK
2 stops8h 17m
American Airlines
Deal found 24/3C$ 1,192
Sun 9/83:06 p.m.
GRK
-
YYZ
1 stop6h 53m
American Airlines
Sun 16/82:45 p.m.
YYZ
-
GRK
1 stop5h 09m
American Airlines
Deal found 20/3C$ 1,201

Find flight deals from Killeen to Ontario

Keep the following information in mind while searching for Killeen to Ontario flight deals. Data was last updated 24 March 2026.

Round-trip from

C$ 1,121
American Airlines
  • American Airlines
  • 17/8-18/8
  • 3 total stops
  • 21h 22m total
  • Killeen to Ontario
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Killeen to Ontario 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 24 March 2026.
Use the filters below to find and compare flights from Killeen to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KilleenToronto

GRK - YYZ

GRKYYZ

Killeen Fort Hood Regional

Sat 15/8

3:06 p.m.-10:59 p.m.

1 stop6h 53m

Toronto Pearson Intl

Mon 24/8

6:22 p.m.-11:39 p.m.

1 stop6h 17m

C$ 1,142

KilleenToronto

GRK - YYZ

GRKYYZ

Killeen Fort Hood Regional

Thu 13/8

10:04 a.m.-10:59 p.m.

1 stop11h 55m

Toronto Pearson Intl

Mon 17/8

2:45 p.m.-11:39 p.m.

1 stop9h 54m

C$ 1,142

KilleenToronto

GRK - YYZ

GRKYYZ

Killeen Fort Hood Regional

Sun 26/4

5:00 a.m.-2:43 p.m.

2 stops8h 43m

Toronto Pearson Intl

Thu 30/4

6:15 p.m.-9:35 a.m.

1 stop16h 20m

C$ 1,155

KilleenToronto

GRK - YYZ

GRKYYZ

Killeen Fort Hood Regional

Sun 9/8

10:04 a.m.-5:30 p.m.

1 stop6h 26m

Toronto Pearson Intl

Thu 20/8

2:45 p.m.-9:09 p.m.

1 stop7h 24m

C$ 1,172
Quickest round-trip

KilleenToronto

GRK - YYZ

GRKYYZ

Killeen Fort Hood Regional

Sun 9/8

3:06 p.m.-10:59 p.m.

1 stop6h 53m

Toronto Pearson Intl

Tue 18/8

2:45 p.m.-6:54 p.m.

1 stop5h 09m

C$ 1,172

KilleenToronto

GRK - YYZ

GRKYYZ

Killeen Fort Hood Regional

Sun 9/8

3:06 p.m.-10:59 p.m.

1 stop6h 53m

Toronto Pearson Intl

Wed 19/8

6:46 a.m.-2:39 p.m.

1 stop8h 53m

C$ 1,172

KilleenToronto

GRK - YYZ

GRKYYZ

Killeen Fort Hood Regional

Fri 14/8

7:00 a.m.-1:55 p.m.

1 stop5h 55m

Toronto Pearson Intl

Sun 16/8

6:46 a.m.-12:18 p.m.

1 stop6h 32m

C$ 1,172

KilleenToronto

GRK - YYZ

GRKYYZ

Killeen Fort Hood Regional

Sun 14/6

3:07 p.m.-10:56 p.m.

1 stop6h 49m

Toronto Pearson Intl

Sat 20/6

1:15 p.m.-10:44 p.m.

2 stops10h 29m

C$ 1,184

KilleenToronto

GRK - YYZ

GRKYYZ

Killeen Fort Hood Regional

Sun 14/6

6:44 a.m.-10:30 p.m.

2 stops14h 46m

Toronto Pearson Intl

Thu 18/6

2:55 p.m.-11:38 p.m.

1 stop9h 43m

C$ 1,184

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/3

Sorted by cheapest first

Best time to book a flight from Killeen to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Killeen 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 Killeen to Ontario

What is the cheapest month to book a flight from Killeen to Region of Ontario?

Currently, September is the cheapest month in which you can book a flight from Killeen to Region of Ontario (average of C$ 100). Flying from Killeen to Region of Ontario in November is currently the most expensive (average of C$ 642). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Killeen to Ontario. 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 from for flights from Killeen to Ontario?

    Located just 11.1 km from the city centre, Killeen Fort Hood Regional (GRK) is the airport most travellers will use when flying to Ontario from Killeen.

  • How long is the flight from Killeen to Region of Ontario?

    There are many flights that can get you from Killeen to Region of Ontario in 16h 13m. Fly via American Airlines to get the fastest option. Killeen and Region of Ontario are separated by a distance of 2124 km.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Killeen to Region of Ontario?

    Currently, September is the cheapest month in which you can book a flight from Killeen to Region of Ontario (average of C$ 100). Flying from Killeen to Region of Ontario in November is currently the most expensive (average of C$ 642). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Killeen to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Vancouver Intl flights
Dallas/Fort Worth to Pearson Intl flights
George Bush Intcntl to Vancouver Intl flights
Dallas/Fort Worth to Vancouver Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Hobby to Pearson Intl flights
George Bush Intcntl to Pearson Intl flights
Hobby to Calgary flights
Austin to Vancouver Intl flights
Dallas/Fort Worth to Calgary flights
George Bush Intcntl to Calgary flights
Austin to Pearson Intl flights
Austin to Calgary flights
George Bush Intcntl to Pierre Elliott Trudeau Intl flights
Hobby to Pierre Elliott Trudeau Intl flights
Austin to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Toronto Island flights
San Antonio to Vancouver Intl flights
Love Field to Pearson Intl flights
Dallas/Fort Worth to Abbotsford flights
Dallas/Fort Worth to Edmonton flights
Hobby to Edmonton flights
George Bush Intcntl to Edmonton flights
Austin to Abbotsford flights
El Paso to Vancouver Intl flights
San Antonio to Pierre Elliott Trudeau Intl flights
Love Field to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Ottawa flights
Dallas/Fort Worth to Québec City flights
San Antonio to Calgary flights
Dallas/Fort Worth to Winnipeg flights
Love Field to Calgary flights
Hobby to Ottawa flights
George Bush Intcntl to Ottawa flights
George Bush Intcntl to Hamilton flights
Dallas/Fort Worth to Regina flights
Dallas/Fort Worth to Halifax flights
El Paso to Pearson Intl flights
Austin to Edmonton flights
Austin to Halifax flights
Hobby to Winnipeg flights
Dallas/Fort Worth to Kelowna flights
Austin to Ottawa flights
George Bush Intcntl to Winnipeg flights
Harlingen to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Saskatoon flights
Love Field to Vancouver Intl flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

When you search for this flight from Killeen to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Killeen to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from Killeen to Ontario with no change fees.

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

Yes, Cheapflights offers price alerts on Killeen to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.