
Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Grand Junction Regional Airport (GJT)
- American Airlines
American Airlines
- Delta
Delta
- United
United
- Plan, book, fly with confidence
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Cheap Flights from Ontario to Grand Junction (ONT-GJT)
Prices were available within the past 7 days and start at $166 for one-way flights and $229 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from Ontario (ONT) to Grand Junction (GJT)
July is typically the cheapest month to fly
Graph displaying average flight prices per month
Alternative airports near Grand Junction
Prices were available within the past 7 days. Prices and availability are subject to change.
Origin airport | Los Angeles - Ontario Intl. |
Destination airport | Grand Junction Regional |
Airlines serving | American Airlines, Delta, United |
Roundtrip price | $228 |
Distance | 611 mi |
Ontario to Grand Junction Flights
The cheapest times to fly from Ontario to Grand Junction
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 Ontario to Grand Junction are during the month of September. You can find some of the cheapest flights from Ontario to Grand Junction with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Ontario to Grand Junction
Sunday is one of the best days to book for cheap flights from Ontario to Grand Junction: 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 Ontario to Grand Junction
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 Ontario to Grand Junction in 2025. You can also book with separate airlines for your outbound and return journeys, from $166 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 Ontario to Grand Junction 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 Ontario to Grand Junction 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.
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Top Routes from Ontario
- Ontario to Phoenix (ONT - PHX)
- Ontario to Portland (ONT - PDX)
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- Ontario to Barcelona (ONT - BCN)
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- Ontario to Guadalajara (ONT - GDL)
- Ontario to Dallas (ONT - DAL)
- Ontario to Madrid (ONT - MAD)
- Ontario to Rome (ONT - FCO)
Top Routes to Grand Junction
- Chicago to Grand Junction (ORD - GJT)
- Newark Liberty Intl. Airport to Grand Junction (EWR - GJT)
- Tampa to Grand Junction (TPA - GJT)
- Portland to Grand Junction (PDX - GJT)
- Milwaukee to Grand Junction (MKE - GJT)
- Boston to Grand Junction (BOS - GJT)
- St. Louis to Grand Junction (STL - GJT)
- Minneapolis to Grand Junction (MSP - GJT)
- Denver to Grand Junction (DEN - GJT)
- Sacramento to Grand Junction (SMF - GJT)
- Seattle to Grand Junction (SEA - GJT)
- Houston to Grand Junction (IAH - GJT)
Top Routes to Grand Junction
- United Chicago to Grand Junction
- United Newark Liberty Intl. Airport to Grand Junction
- American Airlines Portland to Grand Junction
- American Airlines Boston to Grand Junction
- Delta Denver to Grand Junction
- United Sacramento to Grand Junction
- Alaska Airlines Seattle to Grand Junction
- American Airlines Atlanta to Grand Junction
- American Airlines Indianapolis to Grand Junction
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