What is the cheapest airline that flies from Grand Junction Regnl to Ontario?

United Airlines, Delta, and Alaska Airlines are the most popular carriers operating from Grand Junction Regnl to Ontario

What airlines fly to Ontario?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Ontario from Grand Junction according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 5 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Grand Junction Regnl Airport to Ontario Airport?

Prices for flights from Grand Junction Regnl Airport to Ontario Airport refresh daily.

How many operators does momondo search for flights from Grand Junction Regnl Airport to Ontario Airport?

There are 2 operators available for flights from Grand Junction Regnl Airport to Ontario Airport as of July 2025.

How old do you have to be to fly from Grand Junction Regnl Airport to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Grand Junction Regnl Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$212 Cheap Flights from Grand Junction to Ontario in 2025

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Find the cheapest flights from Grand Junction to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

1:10 pm - 4:14 pmGJT-ONT

4h 04m1 stop

5:05 pm - 10:30 pmONT-GJT

4h 25m1 stop

$229Delta

Find Deal

Wed, Dec 3 - Sat, Dec 6

6:00 am - 3:24 pmGJT-ONT

10h 24m2 stops

6:20 am - 11:29 amONT-GJT

4h 09m1 stop

$234American Airlines

Find Deal

Sat, Nov 1 - Sat, Nov 8

11:29 am - 5:25 pmGJT-ONT

6h 56m1 stop

5:05 am - 12:36 pmONT-GJT

6h 31m1 stop

$249United Airlines

Find Deal

Tue, Aug 12 - Sat, Aug 16

1:10 pm - 4:14 pmGJT-ONT

4h 04m1 stop

5:05 pm - 10:30 pmONT-GJT

4h 25m1 stop

$269Delta

Find Deal

Fri, Dec 5 - Sat, Dec 6

1:45 pm - 5:29 pmGJT-ONT

4h 44m1 stop

5:10 am - 12:36 pmONT-GJT

6h 26m1 stop

$299United Airlines

Find Deal

Thu, Aug 21 - Mon, Aug 25

6:00 am - 4:24 pmGJT-ONT

11h 24m2 stops

12:22 pm - 6:48 pmONT-GJT

5h 26m1 stop

$300American Airlines

Find Deal

Fri, Aug 22 - Mon, Aug 25

5:30 am - 12:14 pmGJT-ONT

7h 44m2 stops

5:05 am - 12:36 pmONT-GJT

6h 31m1 stop

$303United Airlines

Find Deal

Tue, Aug 12 - Sat, Aug 16

3:15 pm - 8:42 pmGJT-ONT

6h 27m1 stop

1:35 pm - 10:13 pmONT-GJT

7h 38m2 stops

$304United Airlines

Find Deal

Sat, Dec 6 - Tue, Dec 9

1:32 pm - 5:25 pmGJT-ONT

4h 53m1 stop

5:05 am - 12:36 pmONT-GJT

6h 31m1 stop

$319United Airlines

Find Deal

Wed, Aug 13 - Sat, Aug 16

6:00 am - 3:24 pmGJT-ONT

10h 24m2 stops

9:59 am - 8:47 pmONT-GJT

9h 48m2 stops

$324American Airlines

Find Deal

Sat, Nov 1 - Sat, Nov 8

United Airlines flights from Grand Junction to Ontario

Our best United Airlines deals on Grand Junction to Ontario flight tickets

United Airlines

Aug 12

GJT11:29 amGrand Junction Regnl

6h 56m

1 stop

ONT5:25 pmOntario

Aug 16

ONT5:05 amOntario

6h 31m

1 stop

GJT12:36 pmGrand Junction Regnl

$249

Find similar

United Airlines

Aug 21

GJT1:45 pmGrand Junction Regnl

4h 44m

1 stop

ONT5:29 pmOntario

Aug 25

ONT5:10 amOntario

6h 26m

1 stop

GJT12:36 pmGrand Junction Regnl

$299

Find similar

United Airlines

Aug 12

GJT5:30 amGrand Junction Regnl

7h 44m

2 stops

ONT12:14 pmOntario

Aug 16

ONT5:05 amOntario

6h 31m

1 stop

GJT12:36 pmGrand Junction Regnl

$303

Find similar

Delta flights from Grand Junction to Ontario

Our best Delta deals on Grand Junction to Ontario flight tickets

Delta

Dec 3

GJT1:10 pmGrand Junction Regnl

4h 04m

1 stop

ONT4:14 pmOntario

Dec 6

ONT5:05 pmOntario

4h 25m

1 stop

GJT10:30 pmGrand Junction Regnl

$229

Find similar

Delta

Dec 5

GJT1:10 pmGrand Junction Regnl

4h 04m

1 stop

ONT4:14 pmOntario

Dec 6

ONT5:05 pmOntario

4h 25m

1 stop

GJT10:30 pmGrand Junction Regnl

$269

Find similar

Delta

Dec 7

GJT1:10 pmGrand Junction Regnl

4h 04m

1 stop

ONT4:14 pmOntario

Dec 10

ONT6:00 amOntario

5h 30m

1 stop

GJT12:30 pmGrand Junction Regnl

$379

Find similar

How to get the cheapest flight ticket from Grand Junction to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Wednesday when prices can be found for as low as $361. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Grand Junction to Ontario for around $468.

What is the cheapest time of day to depart on your flight to Ontario?

In the morning is the cheapest time of day to fly from Grand Junction to Ontario when you can find flight prices for as low as $391. Flying to Ontario in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $422 on average. Flights to Ontario from Grand Junction in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Grand Junction to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Grand Junction to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Grand Junction to Ontario (GJT to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Grand Junction to Ontario

Best Price Found	$225
Fastest flight time	3h 47m
Direct flights	None
Airports in Ontario	1 airport

The best one-way flight to Ontario from Grand Junction in the past 72 hours is $225. The best round-trip flight deal from Grand Junction to Ontario found on momondo in the last 72 hours is $229.

The fastest flight from Grand Junction to Ontario takes 3h 47m

There are no direct flights from Grand Junction to Ontario. Popular non-direct route for this connection is Grand Junction Regnl Airport - Ontario Airport.

There is 1 airport near Ontario: Ontario (ONT)

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How far is Grand Junction Regnl to Ontario by plane?
The distance between Grand Junction Regnl and Ontario is about 611.0 mi. By plane, this route typically takes 3h 47m.
When did momondo last update prices for flights from Grand Junction Regnl Airport to Ontario Airport?
Prices for flights from Grand Junction Regnl Airport to Ontario Airport refresh daily.
How many operators does momondo search for flights from Grand Junction Regnl Airport to Ontario Airport?
There are 2 operators available for flights from Grand Junction Regnl Airport to Ontario Airport as of July 2025.
How old do you have to be to fly from Grand Junction Regnl Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Grand Junction Regnl Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Grand Junction to Ontario?
momondo data reveals that the most frequently booked airline on the route from Grand Junction to Ontario is American Airlines, representing 82% of all bookings. The subsequent popular airline is Delta at 18%.

Best airlines flying from Grand Junction to Ontario

Compare and see reviews for airlines that fly from Grand Junction to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $256	Free Cancellation	Rating 8.0 7,971 reviews		Search Delta flights
American Airlines	PriceFrom $288	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Grand Junction to Ontario?

It is quick and easy to find Grand Junction to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from Grand Junction to Ontario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ontario from Grand Junction which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Grand Junction to Ontario?

momondo helps you find the best flight between Grand Junction and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Grand Junction to Ontario right now. Can momondo alert me if prices change?

Price alerts on flights to Ontario from Grand Junction are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.