$130 Cheap Flights from Grand Junction (GJT) to Ontario (ONT)

View $130 flight on Wed, Jan 28, 2026Opens in a new window

Popular airlines from Grand Junction Regional Airport (GJT) to Los Angeles - Ontario Intl. Airport (ONT)

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Cheap Flights from Grand Junction to Ontario (GJT-ONT)

Prices were available within the past 7 days and start at $130 for one-way flights and $211 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Mar 18 - Thu, Mar 26
GJT
Grand Junction
ONT
Ontario
$211 Roundtrip, found 11 hours ago
$211
Roundtrip
found 11 hours ago
Select Delta flight, departing Wed, Mar 18 from Grand Junction to Ontario, returning Thu, Mar 26, priced at $211 found 11 hours ago
United
Tue, Oct 28 - Tue, Nov 4
GJT
Grand Junction
ONT
Ontario
$211 Roundtrip, found 20 hours ago
$211
Roundtrip
found 20 hours ago
Select United flight, departing Tue, Oct 28 from Grand Junction to Ontario, returning Tue, Nov 4, priced at $211 found 20 hours ago
United
Tue, Oct 28 - Tue, Nov 4
GJT
Grand Junction
ONT
Ontario
$216 Roundtrip, found 20 hours ago
$216
Roundtrip
found 20 hours ago
Select United flight, departing Tue, Oct 28 from Grand Junction to Ontario, returning Tue, Nov 4, priced at $216 found 20 hours ago
United
Tue, Oct 28 - Tue, Nov 4
GJT
Grand Junction
ONT
Ontario
$221 Roundtrip, found 20 hours ago
$221
Roundtrip
found 20 hours ago
Select United flight, departing Tue, Oct 28 from Grand Junction to Ontario, returning Tue, Nov 4, priced at $221 found 20 hours ago
United
Wed, Oct 29 - Sun, Nov 2
GJT
Grand Junction
ONT
Ontario
$235 Roundtrip, found 3 days ago
$235
Roundtrip
found 3 days ago
Select United flight, departing Wed, Oct 29 from Grand Junction to Ontario, returning Sun, Nov 2, priced at $235 found 3 days ago
Delta
Thu, Mar 19 - Sun, Mar 22
GJT
Grand Junction
ONT
Ontario
$238 Roundtrip, found 11 hours ago
$238
Roundtrip
found 11 hours ago
Select Delta flight, departing Thu, Mar 19 from Grand Junction to Ontario, returning Sun, Mar 22, priced at $238 found 11 hours ago
United
Sat, Nov 1 - Sun, Nov 2
GJT
Grand Junction
ONT
Ontario
$239 Roundtrip, found 1 day ago
$239
Roundtrip
found 1 day ago
Select United flight, departing Sat, Nov 1 from Grand Junction to Ontario, returning Sun, Nov 2, priced at $239 found 1 day ago
United
Tue, Oct 28 - Tue, Nov 4
GJT
Grand Junction
ONT
Ontario
$240 Roundtrip, found 20 hours ago
$240
Roundtrip
found 20 hours ago
Select United flight, departing Tue, Oct 28 from Grand Junction to Ontario, returning Tue, Nov 4, priced at $240 found 20 hours ago
United
Fri, Oct 31 - Mon, Nov 3
GJT
Grand Junction
ONT
Ontario
$241 Roundtrip, found 1 day ago
$241
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 31 from Grand Junction to Ontario, returning Mon, Nov 3, priced at $241 found 1 day ago
American Airlines
Thu, Oct 23 - Sun, Oct 26
GJT
Grand Junction
ONT
Ontario
$259 Roundtrip, just found
$259
Roundtrip
just found
Select American Airlines flight, departing Thu, Oct 23 from Grand Junction to Ontario, returning Sun, Oct 26, priced at $259 just found

Alternative airports near Ontario

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to John Wayne SNA. Cheapest option available. Average driving time to city center is 42 minutes. Flights from $203
SNA
John Wayne
Cheapest
Average driving time to city center42 min
Flights from $203

Frequently asked questions

How much does a flight from Grand Junction Regional Airport (GJT) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Get a cheap one-way flight from $130 or cheap return flight from $211 from Grand Junction Regional Airport (GJT) to Los Angeles - Ontario Intl. Airport (ONT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Grand Junction Regional Airport (GJT) to Los Angeles - Ontario Intl. Airport (ONT)?
March is the cheapest month to fly from GJT to ONT. Traveling during an off-peak travel window is often the key to better flight prices.
What is the cheapest airline that flies from Grand Junction Regional Airport (GJT) to Los Angeles - Ontario Intl. Airport (ONT)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest GJT to ONT flight.
How many flights per day from Grand Junction Regional Airport (GJT) to Los Angeles - Ontario Intl. Airport (ONT)?
You'll have to hop on a flight with a layover when traveling from Grand Junction Regional Airport (GJT) to Los Angeles - Ontario Intl. Airport (ONT). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from GJT to ONT?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can change depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Grand Junction Regional Airport (GJT) to Los Angeles - Ontario Intl. Airport (ONT)?
To touch down at Los Angeles - Ontario Intl. Airport (ONT) on time, book a flight that leaves from Grand Junction Regional Airport (GJT) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Grand Junction Regional Airport (GJT) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Holding off until right before your break to book your flight from GJT to ONT generally means paying more. Although you may find some last-minute deals, they're not always guaranteed. Be flexible with your itinerary for a better chance of landing a bargain.
Is it cheaper to book a GJT to ONT flight and hotel package?
You'll generally save money by securing a GJT to ONT flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've chosen your preferred accommodations and flights, consider adding extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Grand Junction Regional Airport (GJT) to Los Angeles - Ontario Intl. Airport (ONT)?
If you booked your GJT to ONT flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Origin airport
Grand Junction Regional
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$210
Distance
611 mi

Book with confidence

Grand Junction to Ontario Flights

The cheapest times to fly from Grand Junction to Ontario

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Grand Junction to Ontario are during the month of March. You can find some of the cheapest flights from Grand Junction to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Grand Junction to Ontario

Sunday is one of the best days to book for cheap flights from Grand Junction to Ontario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Grand Junction to Ontario

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Grand Junction to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from $130 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Grand Junction to Ontario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Grand Junction to Ontario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Grand Junction to Ontario Flights

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*Available to One Key members.