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Grand Junction

$181+ Cheap flights from Ontario to Grand Junction (ONT - GJT)

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GJT
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from Ontario to Grand Junction

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Grand Junction (GJT). 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 junio 12, 2025.

Round-trip from

$229
(Delta)

One-way from

$181
(Delta)

Popular in

March

Cheapest in

February

Average price

$404
From Ontario to Grand Junction Regnl
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One-way flight from Ontario to Grand Junction Regnl
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Highest demand for flights based on searches. 13% potential increase in price ($60 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Ontario to Grand Junction

Cheapest flights from Ontario to Grand Junction
Explore the most affordable flight options available from Ontario to Grand Junction. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/41:15 pmONT - GJT
1 stop4h 02mDelta
vie. 7/116:50 pmGJT - ONT
1 stop5h 52mDelta
Deal found 6/10$229
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/145:05 amONT - GJT
1 stop6h 42mUnited Airlines
jue. 7/241:45 pmGJT - ONT
2 stops10h 07mUnited Airlines
Deal found 6/9$234
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/187:02 pmONT - GJT
1 stop4h 13mAmerican Airlines
sáb. 6/216:59 pmGJT - ONT
1 stop3h 39mAmerican Airlines
Deal found 6/11$354

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Grand Junction 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 2,558,603 searches. Data last updated junio 12, 2025.
Use the filters below to find and compare flights from Ontario to Grand Junction that are best for you.

Fly from

Ontario

Fly to

Grand Junction

Route

Depart

Return

Price

OntarioGrand Junction

ONT - GJT

ONTGJT

Ontario

vie. 7/4

1:15 pm-6:17 pm

1 stop4h 02m

Grand Junction Regnl

vie. 7/11

6:50 pm-11:42 pm

1 stop5h 52m

$229

OntarioGrand Junction

ONT - GJT

ONTGJT

Ontario

lun. 7/14

5:05 am-12:47 pm

1 stop6h 42m

Grand Junction Regnl

jue. 7/24

1:45 pm-10:52 pm

2 stops10h 07m

$234

OntarioGrand Junction

ONT - GJT

ONTGJT

Ontario

lun. 7/14

12:59 am-9:51 am

1 stop7h 52m

Grand Junction Regnl

jue. 7/24

6:59 pm-9:38 pm

1 stop3h 39m

$359

OntarioGrand Junction

ONT - GJT

ONTGJT

Ontario

lun. 8/11

4:50 pm-10:43 pm

1 stop4h 53m

$181

OntarioGrand Junction

ONT - GJT

ONTGJT

Ontario

mar. 7/8

5:05 am-10:53 am

1 stop4h 48m

$216

OntarioGrand Junction

ONT - GJT

ONTGJT

Ontario

jue. 7/3

12:59 am-9:55 am

1 stop7h 56m

$225

OntarioGrand Junction

ONT - GJT

ONTGJT

Ontario

mar. 7/8

12:00 pm-12:17 am

2 stops11h 17m

$464

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Ontario to Grand Junction

Have a flexible travel schedule? Discover the best time to fly to Grand Junction 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 Grand Junction

What is the cheapest month to book a flight from Ontario to Grand Junction?

Currently, January is the cheapest month in which you can book a flight from Ontario to Grand Junction (average of $421). Flying from Ontario to Grand Junction in March is currently the most expensive (average of $509). 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.

What is the cheapest time of day to fly from ONT to GJT?

Find hourly flight availability from Ontario to Grand Junction. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

When flying from Ontario to Grand Junction, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 10% versus a flight at noon.

Rainfall in Grand Junction by month

Plan your trip to Grand Junction by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Grand Junction ranges from 0.5 - 1.2 inches per month. September is typically the wettest month, when rainfall can reach 1.2 in. February is typically the driest time to visit Grand Junction when rainfall is around 0.5 in.

Temperature in Grand Junction by month

Plan your trip to Grand Junction by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Grand Junction, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

Reviews of airlines servicing Grand Junction

Get insights into the airlines that provide service to Grand Junction. 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 Grand Junction. Reviews last updated junio 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines from Ontario to Grand Junction by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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

  • What are the cheapest airlines flying from Ontario to Grand Junction round-trip?

    Delta, at $229, was found to be the cheapest airline from Ontario to Grand Junction.Alternate airlines to your destination round-trip include United Airlines and American Airlines. Users have found that Delta is 43% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Ontario to Grand Junction one-way?

    The cheapest airlines for a one-way flight from Ontario to Grand Junction are Delta ($181), United Airlines ($216), and American Airlines ($225).

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

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

  • How can I find direct flights from Ontario to Grand Junction?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Grand Junction 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 Ontario to Grand Junction?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Grand Junction (average of $421). Flying from Ontario to Grand Junction in March is currently the most expensive (average of $509). 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

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Top airline flying from Ontario to Grand Junction

Discover the top airline that operate flights from Ontario to Grand Junction. 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 2,558,603 searches. Data last updated junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$393FlexibilityNo cancel feeOn-time71%

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