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Cheap flights from Killeen to Ontario (GRK - ONT) from $335

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
GRK — ONT
May 6 — May 131
From?
To?
Mon 5/6
Mon 5/13
1 adult, Economy
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Cheap flight deals from Killeen to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Killeen (GRK) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 1, 2024.

Popular in

December

Cheapest in

February

Average price

$527

Round-trip from

$238
High demand for flights, 32% potential price rise
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Best time to find cheap flights, 40% potential price drop
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Average for round-trip flights in May 2024
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From Killeen Fort Hood Regional to Ontario
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What is the cheapest day to fly round-trip from Killeen to Ontario?

Travelers have found that booking a Tuesday departure is the best way to save up to 147% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from Killeen to Ontario?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to Ontario. Flights to Ontario from Killeen in February are about $361 on average during February, but can be found for as low as $177.

When is the cheapest time to fly from Killeen to Ontario (GRK - ONT)?

A simple way to save on the total cost of your ticket is to fly from Killeen to Ontario in the morning. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight at noon.

Cheap American Airlines flights from Killeen to Ontario

Explore cheap flight options specifically provided by American Airlines for the route between Killeen and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,913,887 searches. Data last updated May 1, 2024.
Tue 6/114:44 pmGRK - ONT
1 stop7h 25mAmerican Airlines
Tue 6/1811:59 pmONT - GRK
1 stop7h 52mAmerican Airlines
Deal found 4/29$358
Tue 6/114:44 pmGRK - ONT
1 stop7h 25mAmerican Airlines
Tue 6/187:26 pmONT - GRK
2 stops14h 36mAmerican Airlines
Deal found 4/29$403
Wed 8/218:08 pmGRK - ONT
1 stop5h 41mAmerican Airlines
Sat 8/2411:59 pmONT - GRK
1 stop7h 52mAmerican Airlines
Deal found 4/29$428
Wed 8/214:01 pmGRK - ONT
2 stops7h 43mAmerican Airlines
Sat 8/242:39 pmONT - GRK
1 stop6h 44mAmerican Airlines
Deal found 4/29$433
Wed 8/214:01 pmGRK - ONT
2 stops7h 43mAmerican Airlines
Sat 8/2412:46 pmONT - GRK
2 stops8h 37mAmerican Airlines
Deal found 4/29$438
Wed 8/2112:29 pmGRK - ONT
2 stops11h 15mAmerican Airlines
Sat 8/2410:46 amONT - GRK
1 stop6h 52mAmerican Airlines
Deal found 4/30$443
Wed 8/214:01 pmGRK - ONT
2 stops7h 43mAmerican Airlines
Sat 8/2412:46 pmONT - GRK
2 stops8h 37mAmerican Airlines
Deal found 4/30$448
Fri 5/172:17 pmGRK - ONT
1 stop6h 05mAmerican Airlines
Sun 5/1912:50 pmONT - GRK
1 stop5h 45mAmerican Airlines
Deal found 4/29$460
Fri 5/172:17 pmGRK - ONT
2 stops10h 12mAmerican Airlines
Sun 5/1912:50 pmONT - GRK
1 stop5h 45mAmerican Airlines
Deal found 4/29$465

Cheap Killeen to Ontario flights in May & June 2024

Find cheap flight options from Killeen to Ontario specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,913,887 searches. Prices were last updated on May 1, 2024.
Fri 5/172:17 pmGRK - ONT
1 stop6h 05mAmerican Airlines
Sun 5/1912:50 pmONT - GRK
1 stop5h 45mAmerican Airlines
Deal found 4/29$460
Fri 5/172:17 pmGRK - ONT
2 stops10h 12mAmerican Airlines
Sun 5/1912:50 pmONT - GRK
1 stop5h 45mAmerican Airlines
Deal found 4/29$465
Fri 5/36:25 pmGRK - ONT
1 stop7h 32mAmerican Airlines
Sun 5/57:43 amONT - GRK
1 stop6h 21mAmerican Airlines
Deal found 4/30$544
Fri 5/32:15 pmGRK - ONT
2 stops9h 41mAmerican Airlines
Sun 5/52:53 pmONT - GRK
1 stop6h 37mAmerican Airlines
Deal found 4/30$549
Fri 5/310:24 amGRK - ONT
2 stops10h 25mAmerican Airlines
Sun 5/512:55 pmONT - GRK
2 stops8h 35mAmerican Airlines
Deal found 4/30$554
Mon 5/206:20 amGRK - ONT
1 stop5h 20mAmerican Airlines
Thu 5/3010:34 amONT - GRK
1 stop5h 30mAmerican Airlines
Deal found 4/30$599
Fri 5/172:17 pmGRK - ONT
2 stops10h 12mAmerican Airlines
Sun 5/1912:53 pmONT - GRK
2 stops8h 34mAmerican Airlines
Deal found 4/29$611
Sat 5/255:10 amGRK - ONT
1 stop6h 30mAmerican Airlines
Thu 5/3010:34 amONT - GRK
1 stop5h 30mAmerican Airlines
Deal found 4/30$630
Fri 5/105:10 amGRK - ONT
1 stop6h 30mAmerican Airlines
Mon 5/1310:34 amONT - GRK
1 stop5h 30mAmerican Airlines
Deal found 4/30$670

Killeen to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Killeen and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,913,887 searches. Data last updated May 1, 2024.
Tue 6/114:44 pmGRK - ONT
1 stop7h 25mAmerican Airlines
Tue 6/1811:59 pmONT - GRK
1 stop7h 52mAmerican Airlines
Deal found 4/29$358
Tue 6/114:44 pmGRK - ONT
1 stop7h 25mAmerican Airlines
Tue 6/187:26 pmONT - GRK
2 stops14h 36mAmerican Airlines
Deal found 4/29$403
Wed 8/218:08 pmGRK - ONT
1 stop5h 41mAmerican Airlines
Sat 8/2411:59 pmONT - GRK
1 stop7h 52mAmerican Airlines
Deal found 4/29$428
Wed 8/214:01 pmGRK - ONT
2 stops7h 43mAmerican Airlines
Sat 8/242:39 pmONT - GRK
1 stop6h 44mAmerican Airlines
Deal found 4/29$433
Wed 8/214:01 pmGRK - ONT
2 stops7h 43mAmerican Airlines
Sat 8/2412:46 pmONT - GRK
2 stops8h 37mAmerican Airlines
Deal found 4/29$438
Wed 8/2112:29 pmGRK - ONT
2 stops11h 15mAmerican Airlines
Sat 8/2410:46 amONT - GRK
1 stop6h 52mAmerican Airlines
Deal found 4/30$443
Wed 8/214:01 pmGRK - ONT
2 stops7h 43mAmerican Airlines
Sat 8/2412:46 pmONT - GRK
2 stops8h 37mAmerican Airlines
Deal found 4/30$448
Fri 5/172:17 pmGRK - ONT
1 stop6h 05mAmerican Airlines
Sun 5/1912:50 pmONT - GRK
1 stop5h 45mAmerican Airlines
Deal found 4/29$460
Fri 5/172:17 pmGRK - ONT
2 stops10h 12mAmerican Airlines
Sun 5/1912:50 pmONT - GRK
1 stop5h 45mAmerican Airlines
Deal found 4/29$465

Killeen to Ontario flights leaving soon

Find last-minute flight options from Killeen to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,913,887 searches. Data last updated May 1, 2024.
Fri 5/105:10 amGRK - ONT
1 stop6h 30mAmerican Airlines
Mon 5/1310:34 amONT - GRK
1 stop5h 30mAmerican Airlines
Deal found 4/30$670
Fri 5/106:34 pmGRK - ONT
1 stop7h 22mAmerican Airlines
Mon 5/1312:50 pmONT - GRK
1 stop5h 45mAmerican Airlines
Deal found 4/30$680

One-way flights to Ontario from Killeen

Search for one-way flight options from Killeen to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,913,887 searches. Data last updated May 1, 2024.
Thu 5/92:17 pmGRK - ONT
1 stop7h 51mAmerican Airlines
Deal found 4/29$335
Mon 5/136:34 pmGRK - ONT
1 stop7h 22mAmerican Airlines
Deal found 4/30$340
Thu 5/96:20 amGRK - ONT
2 stops14h 28mAmerican Airlines
Deal found 4/29$612
Thu 5/96:34 pmGRK - ONT
1 stop7h 22mAmerican Airlines
Deal found 4/29$814

Find flights from Killeen to Ontario within your budget

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 2,913,887 searches. Data last updated May 1, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$358 - $465

Route

Depart

Return

Price

Killeen Fort Hood RegionalOntario

GRK - ONT

GRKONT

Killeen Fort Hood Regional

Tue 6/11

1 stop7h 25m

Ontario

Tue 6/18

1 stop7h 52m

$358

Killeen Fort Hood RegionalOntario

GRK - ONT

GRKONT

Killeen Fort Hood Regional

Tue 6/11

1 stop7h 25m

Ontario

Tue 6/18

2 stops14h 36m

$403

Killeen Fort Hood RegionalOntario

GRK - ONT

GRKONT

Killeen Fort Hood Regional

Wed 8/21

1 stop5h 41m

Ontario

Sat 8/24

1 stop7h 52m

$428

Killeen Fort Hood RegionalOntario

GRK - ONT

GRKONT

Killeen Fort Hood Regional

Wed 8/21

2 stops7h 43m

Ontario

Sat 8/24

1 stop6h 44m

$433

Killeen Fort Hood RegionalOntario

GRK - ONT

GRKONT

Killeen Fort Hood Regional

Wed 8/21

2 stops7h 43m

Ontario

Sat 8/24

2 stops8h 37m

$438

Killeen Fort Hood RegionalOntario

GRK - ONT

GRKONT

Killeen Fort Hood Regional

Wed 8/21

2 stops11h 15m

Ontario

Sat 8/24

1 stop6h 52m

$443

Killeen Fort Hood RegionalOntario

GRK - ONT

GRKONT

Killeen Fort Hood Regional

Wed 8/21

2 stops7h 43m

Ontario

Sat 8/24

2 stops8h 37m

$448

Killeen Fort Hood RegionalOntario

GRK - ONT

GRKONT

Killeen Fort Hood Regional

Fri 5/17

1 stop6h 05m

Ontario

Sun 5/19

1 stop5h 45m

$460

Killeen Fort Hood RegionalOntario

GRK - ONT

GRKONT

Killeen Fort Hood Regional

Fri 5/17

2 stops10h 12m

Ontario

Sun 5/19

1 stop5h 45m

$465

Flights are sorted by cheapest first

Deals found on 4/29

When is the cheapest time to fly from Killeen to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Killeen to Ontario. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Killeen to Ontario flight should consider departing on Wednesday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Ontario by month

Plan your trip from Killeen to Ontario by taking into account the cheapest months to travel. The average price of a one-way flight from Killeen to Ontario is currently $525 while a round-trip flight costs $431. Price data was last updated on April 28, 2024.

Currently, October is the cheapest month in which you can book a flight from Killeen to Ontario (average of $237). Flying from Killeen to Ontario in June is currently the most expensive (average of $341). 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.

January

$268

February

$287

March

$281

April

$256

May

$268

June

$341

July

$336

August

$287

September

$258

October

$237

November

$268

December

$271

Temperature and rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average temperature and rainfall totals by month.

LAX

Temperature

57.2 - 73.4 °F

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated May 1, 2024.
American Airlines
7.3
Good
14,788 reviews
Check prices

Comfort

7.2

Food

6.6

Overall

7.3

Crew

8.0

Boarding

7.6

Entertainment

7.1

Reviews

1 / 10

The flight was 1.5 hours late but the flight was fine. The Wi-Fi worked great.

American Airlines
7.3
Good
14,788 reviews
American Airlines
7.3
Good
14,788 reviews
Check prices

Comfort

7.2

Food

6.6

Overall

7.3

Crew

8.0

Boarding

7.6

Entertainment

7.1

Reviews

1 / 10

The flight was 1.5 hours late but the flight was fine. The Wi-Fi worked great.

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.

  • Can I find flights from Killeen to Ontario for under $400 on Cheapflights?

    Yes, there are multiple flights from Killeen to Ontario for under $400. The cheapest flight booked recently is on American Airlines for just $358, but on average you can expect to pay $507.

  • Are there last-minute flights available from Killeen to Ontario for under $700?

    There are currently 2+ open flights from Killeen to Ontario within the next 7 days for less than $700.

  • What is the cheapest airline to fly from Killeen to Ontario round-trip?

    Flying on American Airlines is currently your cheapest option to Ontario, with prices starting at $358. American Airlines is 23% cheaper than the average price of flights available within the next 90 days to this destination.

  • What does GRK to ONT mean?

    Great question - GRK to ONT just means Killeen Fort Hood Regional Airport to Ontario Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Killeen to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Killeen to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Killeen to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Killeen to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Killeen to Ontario that allow pets onboard?

    Many airlines flying from Killeen to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Killeen to Ontario?

    Yes, you can often find last-minute deals on Killeen to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Killeen to Ontario flight deals updated?

    The Killeen to Ontario flight deals you see on this page were last updated on 4/30.

See more FAQs

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Top airline flying from Killeen to Ontario

Discover the top airline that operate flights from Killeen to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,913,887 searches. Data last updated May 1, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$268Average$399FlexibilityNo cancel feeOn-time71%
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Killeen to Chicago O'Hare Intl Airport flights

Search flights from Killeen to Ontario by cabin class

Find flights from Killeen to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Business Class
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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?

Deals for Killeen to Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

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 Killeen to Ontario.

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

Yes, we can. To see specific flights from Killeen to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Of course! You can now track prices for flights from Killeen to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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