Cheap flights from Ontario to Grand Junction (ONT - GJT) from $210

This is the cheapest one-way flight price, found on 9/25. Prices may vary by date and flight preferences.
ONT — GJT
Sep 30 — Oct 71

How to find the cheapest flight from Ontario (ONT) to Grand Junction (GJT)

All the information you need to plan the best ONT to GJT flight in 2023: compare Ontario to Grand Junction flight prices with the expected peak season, weather and rainfall in Grand Junction.

Popular in

April

Cheapest in

February

Round-trip from

$366

One-way from

$290
High demand for flights, 33% potential price rise
Best time to find cheap flights, 52% potential price drop
From Ontario to Grand Junction Regnl
One-way flight from Ontario to Grand Junction Regnl

ONT - GJT

Price

$366 - $683

GJT

Temperature

26.6 - 78.8 °F

GJT

Rainfall

0.5 - 1.2 inches

What is the cheapest day to fly round-trip from Ontario to Grand Junction?

Flying to your destination on a Wednesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Grand Junction. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Ontario to Grand Junction?

Travelers have found it’s best to book a flight 61 days in advance to save up to 160% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Ontario to Grand Junction 1-2 weeks in advance for as low as $378, or $557 for flights within the next 24 hours.

What is the cheapest month to fly from Ontario to Grand Junction?

Our data shows that July tends to be the cheapest month to fly to Grand Junction from Ontario. Users have commonly found prices around $360 for the month, but tickets can be as low as $72. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Ontario to Grand Junction (ONT - GJT)?

When flying from Ontario to Grand Junction, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap United Airlines flights from Ontario to Grand Junction

Consider these cheap United Airlines flights we've found departing from Ontario to Grand Junction. It's recommended that users confirm their flight details before booking.

Cheap American Airlines flights from Ontario to Grand Junction

Have a look at some of the cheapest available American Airlines flights departing from Ontario and landing in Grand Junction. Deals are refreshing constantly so come back soon for more options.

Cheap Ontario to Grand Junction flights in September & October 2023

The best prices found for ONT to GJT flights for September, October
Scroll through some of the best deals on flights from Ontario to Grand Junction in 2023. Check back soon for alternative fares.

Ontario to Grand Junction 2023 flight deals

Cheap flights to Grand Junction from Ontario found for this year
Scroll through some of the best deals on flights from Ontario to Grand Junction in 2023. Check back soon for alternative fares.

Ontario to Grand Junction flights leaving soon

Late deals on return flights to Grand Junction from Ontario, departing today and this week
Consider one of these great deals we found on last-minute flights from Ontario to Grand Junction. It's wise to confirm all flight details are correct before booking.

One-way flights to Grand Junction from Ontario

The cheapest one-way flights from Ontario to Grand Junction
Take a look at some of the one-way flights we've detected from Ontario to Grand Junction. Those needing a return flight from Ontario to Grand Junction can use the search form above.

Find flights from Ontario to Grand Junction within your budget

Use the slider to find flights from Ontario to Grand Junction that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$406 - $461

Route

Depart

Return

Price

OntarioGrand Junction Regnl

ONT - GJT

ONTGJT

Ontario

Tue 11/14

1 stop6h 29m

Grand Junction Regnl

Tue 12/5

2 stops9h 59m

OntarioGrand Junction Regnl

ONT - GJT

ONTGJT

Ontario

Tue 10/24

1 stop6h 24m

Grand Junction Regnl

Tue 10/31

1 stop6h 26m

OntarioGrand Junction Regnl

ONT - GJT

ONTGJT

Ontario

Sun 12/17

1 stop4h 36m

Grand Junction Regnl

Mon 12/25

1 stop6h 11m

OntarioGrand Junction Regnl

ONT - GJT

ONTGJT

Ontario

Tue 11/14

1 stop6h 29m

Grand Junction Regnl

Tue 12/5

1 stop27h 36m

OntarioGrand Junction Regnl

ONT - GJT

ONTGJT

Ontario

Mon 12/18

1 stop6h 29m

Grand Junction Regnl

Mon 12/25

1 stop6h 11m

OntarioGrand Junction Regnl

ONT - GJT

ONTGJT

Ontario

Tue 10/24

1 stop5h 00m

Grand Junction Regnl

Wed 10/25

1 stop4h 53m

OntarioGrand Junction Regnl

ONT - GJT

ONTGJT

Ontario

Tue 10/24

1 stop4h 17m

Grand Junction Regnl

Tue 10/31

2 stops9h 05m

OntarioGrand Junction Regnl

ONT - GJT

ONTGJT

Ontario

Thu 10/26

1 stop6h 08m

Grand Junction Regnl

Thu 11/2

1 stop4h 52m

OntarioGrand Junction Regnl

ONT - GJT

ONTGJT

Ontario

Wed 10/25

1 stop4h 17m

Grand Junction Regnl

Mon 10/30

1 stop5h 00m

Flights are sorted by cheapest first

Deals found on 9/23

Reviews of airlines servicing Grand Junction

Get a feel of what it's like to fly with United Airlines and American 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
8.1
Very good
1,393 reviews

Overall

8.1

Crew

8.6

Food

7.2

Comfort

8.0

Boarding

8.3

Entertainment

7.2

Reviews

1 / 10

I appreciated that we departed & arrived on time. I was very cold on the plane, despite wearing 2 jackets, & will bring a blanket next time. I appreciated the hot tea & cookie I was served. I also appreciated that our luggage was not lost or damaged.

Alaska Airlines
8.1
Very good
1,393 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Overall

8.1

Crew

8.6

Food

7.2

Comfort

8.0

Boarding

8.3

Entertainment

7.2

Reviews

1 / 10

I appreciated that we departed & arrived on time. I was very cold on the plane, despite wearing 2 jackets, & will bring a blanket next time. I appreciated the hot tea & cookie I was served. I also appreciated that our luggage was not lost or damaged.

United Airlines
7.4
Good
1,890 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Overall

8.1

Crew

8.6

Food

7.2

Comfort

8.0

Boarding

8.3

Entertainment

7.2

Reviews

1 / 10

I appreciated that we departed & arrived on time. I was very cold on the plane, despite wearing 2 jackets, & will bring a blanket next time. I appreciated the hot tea & cookie I was served. I also appreciated that our luggage was not lost or damaged.

American Airlines
7.2
Good
2,635 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Overall

8.1

Crew

8.6

Food

7.2

Comfort

8.0

Boarding

8.3

Entertainment

7.2

Reviews

1 / 10

I appreciated that we departed & arrived on time. I was very cold on the plane, despite wearing 2 jackets, & will bring a blanket next time. I appreciated the hot tea & cookie I was served. I also appreciated that our luggage was not lost or damaged.

Related info for your journey

Useful info, stats and facts about Ontario to Grand Junction flights.

Can I find flights from Ontario to Grand Junction for under $500 on Cheapflights?

Yes, there are multiple flights from Ontario to Grand Junction for under $500. The cheapest flight booked recently is on United Airlines for just $406, but on average you can expect to pay $443.

Are there last-minute flights available from Ontario to Grand Junction for under $800?

There are currently 1+ open flights from Ontario to Grand Junction within the next 7 days for less than $800.

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

United Airlines, at $406, was found to be the cheapest airline from Ontario to Grand Junction. An alternate airline flying to your destination would be American Airlines. Users have found that United Airlines is 17% 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 United Airlines ($210), American Airlines ($348), and Alaska Airlines ($445).

What does ONT to GJT mean?

ONT stands for Ontario Airport, while GJT stands for Grand Junction Regnl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

Alternative routes for Ontario to Grand Junction

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Ontario to Grand Junction

The chart below displays the airlines Cheapflights users traveling from Ontario to Grand Junction choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$234Average$472FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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.