What airlines fly to Ontario?

United Airlines, American Airlines and Breeze Airways 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 48% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 4 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

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

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 is 1 operator available for flights from Grand Junction Regnl Airport to Ontario Airport as of April 2026.

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.

$155 Cheap Flights from Grand Junction to Ontario in 2026

Q: What is the typical price of a round-trip flight between Grand Junction and Ontario?

Prices are currently low for flights on this route. Typical prices usually range from $380 to $290. The lowest price recently found on this route was $271.

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Find the cheapest flights from Grand Junction to Los Angeles

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:58 pm - 11:46 pm

GJT

ONT

7h 48m

1 stop

6:10 am - 11:35 am

ONT

GJT

4h 25m

1 stop

$271American Airlines

Fri, May 1 - Sat, May 30

6:51 pm - 11:34 pm

GJT

ONT

5h 43m

1 stop

5:24 pm - 9:50 pm

ONT

GJT

3h 26m

1 stop

$280Delta

Wed, Jun 3 - Wed, Jun 10

1:48 pm - 10:59 pm

GJT

ONT

10h 11m

2 stops

5:00 am - 12:31 pm

ONT

GJT

6h 31m

1 stop

$295United Airlines

Fri, May 1 - Sat, May 30

5:30 am - 12:20 pm

GJT

ONT

7h 50m

2 stops

5:10 am - 12:38 pm

ONT

GJT

6h 28m

1 stop

$312United Airlines

Fri, Apr 24 - Mon, Apr 27

4:58 pm - 10:36 pm

GJT

ONT

6h 38m

1 stop

4:52 pm - 10:42 pm

ONT

GJT

4h 50m

1 stop

$315American Airlines

Fri, Apr 24 - Mon, Apr 27

7:41 am - 12:08 pm

GJT

ONT

5h 27m

1 stop

5:16 pm - 9:50 pm

ONT

GJT

3h 34m

1 stop

$350Delta

Fri, Jul 17 - Wed, Jul 22

7:01 am - 12:38 pm

GJT

ONT

6h 37m

1 stop

1:38 pm - 8:59 pm

ONT

GJT

6h 21m

1 stop

$351United Airlines

Sat, Apr 25 - Wed, Apr 29

8:35 am - 12:03 pm

GJT

ONT

4h 28m

1 stop

1:10 pm - 6:23 pm

ONT

GJT

4h 13m

1 stop

$354American Airlines

Sat, Jul 11 - Fri, Jul 24

1:48 pm - 10:59 pm

GJT

ONT

10h 11m

2 stops

5:00 am - 10:43 am

ONT

GJT

4h 43m

1 stop

$356United Airlines

Sat, May 2 - Tue, May 5

1:48 pm - 10:59 pm

GJT

ONT

10h 11m

2 stops

6:00 am - 5:17 pm

ONT

GJT

10h 17m

2 stops

$361United Airlines

Sat, May 2 - Tue, May 5

United Airlines flights from Grand Junction to Ontario

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

United Airlines

May 1

GJT1:48 pmGrand Junction Regnl

10h 11m

2 stops

ONT10:59 pmOntario

May 30

ONT5:00 amOntario

6h 31m

1 stop

GJT12:31 pmGrand Junction Regnl

$295

United Airlines

Apr 24

GJT5:30 amGrand Junction Regnl

7h 50m

2 stops

ONT12:20 pmOntario

Apr 27

ONT5:10 amOntario

6h 28m

1 stop

GJT12:38 pmGrand Junction Regnl

$312

United Airlines

Apr 25

GJT7:01 amGrand Junction Regnl

6h 37m

1 stop

ONT12:38 pmOntario

Apr 29

ONT1:38 pmOntario

6h 21m

1 stop

GJT8:59 pmGrand Junction Regnl

$351

American Airlines flights from Grand Junction to Ontario

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

American Airlines

May 1

GJT4:58 pmGrand Junction Regnl

7h 48m

1 stop

ONT11:46 pmOntario

May 30

ONT6:10 amOntario

4h 25m

1 stop

GJT11:35 amGrand Junction Regnl

$271

American Airlines

Apr 24

GJT4:58 pmGrand Junction Regnl

6h 38m

1 stop

ONT10:36 pmOntario

Apr 27

ONT4:52 pmOntario

4h 50m

1 stop

GJT10:42 pmGrand Junction Regnl

$315

American Airlines

Jul 11

GJT8:35 amGrand Junction Regnl

4h 28m

1 stop

ONT12:03 pmOntario

Jul 24

ONT1:10 pmOntario

4h 13m

1 stop

GJT6:23 pmGrand Junction Regnl

$354

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Fri 5/1

4:58 pm-11:46 pm

1 stop7h 48m

Ontario

Sat 5/30

6:10 am-11:35 am

1 stop4h 25m

$271

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Wed 6/3

6:51 pm-11:34 pm

1 stop5h 43m

Ontario

Wed 6/10

5:24 pm-9:50 pm

1 stop3h 26m

$280

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Fri 5/1

1:48 pm-10:59 pm

2 stops10h 11m

Ontario

Sat 5/30

5:00 am-12:31 pm

1 stop6h 31m

$295

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Fri 4/24

5:30 am-12:20 pm

2 stops7h 50m

Ontario

Mon 4/27

5:10 am-12:38 pm

1 stop6h 28m

$312

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Fri 4/24

4:58 pm-10:36 pm

1 stop6h 38m

Ontario

Mon 4/27

4:52 pm-10:42 pm

1 stop4h 50m

$315

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Fri 7/17

7:41 am-12:08 pm

1 stop5h 27m

Ontario

Wed 7/22

5:16 pm-9:50 pm

1 stop3h 34m

$350

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Sat 4/25

7:01 am-12:38 pm

1 stop6h 37m

Ontario

Wed 4/29

1:38 pm-8:59 pm

1 stop6h 21m

$351

Quickest round-trip

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Sat 7/11

8:35 am-12:03 pm

1 stop4h 28m

Ontario

Fri 7/24

1:10 pm-6:23 pm

1 stop4h 13m

$354

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Sat 5/2

1:48 pm-10:59 pm

2 stops10h 11m

Ontario

Tue 5/5

5:00 am-10:43 am

1 stop4h 43m

$356

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Sat 5/2

1:48 pm-10:59 pm

2 stops10h 11m

Ontario

Tue 5/5

6:00 am-5:17 pm

2 stops10h 17m

$361

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 typical price of a round-trip flight between Grand Junction and Ontario?

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

Fastest flight time	5h 27m
Direct flights	None

The fastest flight from Grand Junction to Ontario takes 5h 27m

There are no direct flights from Grand Junction to Ontario. There are no popular flight routes from Grand Junction to Ontario.

Search flight deals

Frequently asked questions about flying from Grand Junction to Ontario

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 5h 27m.
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 is 1 operator available for flights from Grand Junction Regnl Airport to Ontario Airport as of April 2026.
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 100% of all bookings.

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
American Airlines	PriceFrom $228	Free Cancellation	Rating 7.1 11,565 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.

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Cheap flights from Grand Junction to Los Angeles from $155

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Grand Junction to Los Angeles departing on 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

What is the typical price of a round-trip flight between Grand Junction and Ontario?

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

What airlines fly to Ontario?

When to book flights from Grand Junction to Ontario

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Grand Junction to Ontario

Best airlines flying from Grand Junction to Ontario

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

Why use momondo?

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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