Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to Grand Junction 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 Ontario to Grand Junction departing on 7/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ontario to Grand Junction

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:05 pm - 9:54 pm
ONT
-
GJT
3h 49m
1 stop
Delta Logo
6:51 pm - 11:34 pm
GJT
-
ONT
5h 43m
1 stop
$271Delta
Fri, May 1 - Fri, May 8
Delta Logo
7:00 am - 4:46 pm
ONT
-
GJT
8h 46m
2 stops
Delta Logo
7:45 am - 12:14 pm
GJT
-
ONT
5h 29m
1 stop
$276Delta
Wed, Apr 15 - Sun, Apr 19
United Airlines Logo
5:00 am - 12:43 pm
ONT
-
GJT
6h 43m
1 stop
United Airlines Logo
5:30 am - 12:22 pm
GJT
-
ONT
7h 52m
2 stops
$302United Airlines
Fri, May 1 - Mon, May 4
American Airlines Logo
6:15 am - 11:16 am
ONT
-
GJT
4h 01m
1 stop
American Airlines Logo
4:58 pm - 11:46 pm
GJT
-
ONT
7h 48m
1 stop
$305American Airlines
Wed, Apr 15 - Sun, Apr 19
American Airlines Logo
4:59 pm - 12:16 am
ONT
-
GJT
6h 17m
1 stop
American Airlines Logo
7:00 am - 2:56 pm
GJT
-
ONT
8h 56m
2 stops
$332American Airlines
Sat, Sep 26 - Tue, Sep 29
American Airlines Logo
6:15 am - 11:16 am
ONT
-
GJT
4h 01m
1 stop
American Airlines Logo
6:55 pm - 9:59 pm
GJT
-
ONT
4h 04m
1 stop
$345American Airlines
Fri, May 1 - Mon, May 4
American Airlines Logo
12:19 pm - 9:53 pm
ONT
-
GJT
8h 34m
2 stops
American Airlines Logo
4:58 pm - 11:46 pm
GJT
-
ONT
7h 48m
1 stop
$350American Airlines
Fri, Apr 17 - Mon, Apr 20
United Airlines Logo
5:10 am - 10:49 am
ONT
-
GJT
4h 39m
1 stop
United Airlines Logo
7:01 am - 12:38 pm
GJT
-
ONT
6h 37m
1 stop
$351United Airlines
Tue, Apr 14 - Sat, Apr 18
United Airlines Logo
5:10 am - 12:38 pm
ONT
-
GJT
6h 28m
1 stop
United Airlines Logo
9:31 am - 5:52 pm
GJT
-
ONT
9h 21m
2 stops
$356United Airlines
Sun, Apr 26 - Sat, May 2
United Airlines Logo
5:00 am - 12:31 pm
ONT
-
GJT
6h 31m
1 stop
United Airlines Logo
1:33 pm - 10:50 pm
GJT
-
ONT
10h 17m
2 stops
$375United Airlines
Tue, Jun 2 - Sat, Jun 6

United Airlines flights from Ontario to Grand Junction

Our best United Airlines deals on Ontario to Grand Junction flight tickets
United Airlines
May 1
ONT5:00 amOntario
6h 43m
1 stop
GJT12:43 pmGrand Junction Regnl
May 4
GJT5:30 amGrand Junction Regnl
7h 52m
2 stops
ONT12:22 pmOntario
$302
United Airlines
Apr 14
ONT5:10 amOntario
4h 39m
1 stop
GJT10:49 amGrand Junction Regnl
Apr 18
GJT7:01 amGrand Junction Regnl
6h 37m
1 stop
ONT12:38 pmOntario
$351
United Airlines
Apr 26
ONT5:10 amOntario
6h 28m
1 stop
GJT12:38 pmGrand Junction Regnl
May 2
GJT9:31 amGrand Junction Regnl
9h 21m
2 stops
ONT5:52 pmOntario
$356

American Airlines flights from Ontario to Grand Junction

Our best American Airlines deals on Ontario to Grand Junction flight tickets
American Airlines
Apr 15
ONT6:15 amOntario
4h 01m
1 stop
GJT11:16 amGrand Junction Regnl
Apr 19
GJT4:58 pmGrand Junction Regnl
7h 48m
1 stop
ONT11:46 pmOntario
$305
American Airlines
Sep 26
ONT4:59 pmOntario
6h 17m
1 stop
GJT12:16 amGrand Junction Regnl
Sep 29
GJT7:00 amGrand Junction Regnl
8h 56m
2 stops
ONT2:56 pmOntario
$332
American Airlines
May 1
ONT6:15 amOntario
4h 01m
1 stop
GJT11:16 amGrand Junction Regnl
May 4
GJT6:55 pmGrand Junction Regnl
4h 04m
1 stop
ONT9:59 pmOntario
$345

momondo 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, momondo users made 832,500 searches. Data last updated April 2, 2026.
Use the filters below to find and compare flights from Ontario to Grand Junction that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioGrand Junction

ONT - GJT

ONTGJT

Ontario

Fri 5/1

5:05 pm-9:54 pm

1 stop3h 49m

Grand Junction Regnl

Fri 5/8

6:51 pm-11:34 pm

1 stop5h 43m

$271

OntarioGrand Junction

ONT - GJT

ONTGJT

Ontario

Wed 4/15

7:00 am-4:46 pm

2 stops8h 46m

Grand Junction Regnl

Sun 4/19

7:45 am-12:14 pm

1 stop5h 29m

$276

OntarioGrand Junction

ONT - GJT

ONTGJT

Ontario

Fri 5/1

5:00 am-12:43 pm

1 stop6h 43m

Grand Junction Regnl

Mon 5/4

5:30 am-12:22 pm

2 stops7h 52m

$302

OntarioGrand Junction

ONT - GJT

ONTGJT

Ontario

Wed 4/15

6:15 am-11:16 am

1 stop4h 01m

Grand Junction Regnl

Sun 4/19

4:58 pm-11:46 pm

1 stop7h 48m

$305

OntarioGrand Junction

ONT - GJT

ONTGJT

Ontario

Sat 9/26

4:59 pm-12:16 am

1 stop6h 17m

Grand Junction Regnl

Tue 9/29

7:00 am-2:56 pm

2 stops8h 56m

$332
Quickest round-trip

OntarioGrand Junction

ONT - GJT

ONTGJT

Ontario

Fri 5/1

6:15 am-11:16 am

1 stop4h 01m

Grand Junction Regnl

Mon 5/4

6:55 pm-9:59 pm

1 stop4h 04m

$345

OntarioGrand Junction

ONT - GJT

ONTGJT

Ontario

Fri 4/17

12:19 pm-9:53 pm

2 stops8h 34m

Grand Junction Regnl

Mon 4/20

4:58 pm-11:46 pm

1 stop7h 48m

$350

OntarioGrand Junction

ONT - GJT

ONTGJT

Ontario

Tue 4/14

5:10 am-10:49 am

1 stop4h 39m

Grand Junction Regnl

Sat 4/18

7:01 am-12:38 pm

1 stop6h 37m

$351

OntarioGrand Junction

ONT - GJT

ONTGJT

Ontario

Sun 4/26

5:10 am-12:38 pm

1 stop6h 28m

Grand Junction Regnl

Sat 5/2

9:31 am-5:52 pm

2 stops9h 21m

$356

OntarioGrand Junction

ONT - GJT

ONTGJT

Ontario

Tue 6/2

5:00 am-12:31 pm

1 stop6h 31m

Grand Junction Regnl

Sat 6/6

1:33 pm-10:50 pm

2 stops10h 17m

$375

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Grand Junction from

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

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

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

When to book flights from Ontario to Grand Junction

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

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

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

Fastest flight time

3h 45m

Direct flights

None
The fastest flight from Ontario to Grand Junction takes 3h 45m
There are no direct flights from Ontario to Grand Junction. There are no popular flight routes from Ontario to Grand Junction.
Search flight deals

Frequently asked questions about flying from Ontario to Grand Junction

  • How far is Ontario to Grand Junction Regnl by plane?

    Ontario and Grand Junction Regnl are 611.0 mi apart from one another. Flights usually cover this in 3h 45m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Ontario Airport to Grand Junction Regnl Airport were last updated today.

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

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

  • What documentation or ID do you need to fly to Grand Junction Regnl Airport?

    The necessary travel and health documents for your Grand Junction Regnl 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 Ontario to Grand Junction?

Best airlines flying from Ontario to Grand Junction

Compare and see reviews for airlines that fly from Ontario to Grand Junction with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $211Free CancellationRating
7.1
11,549 reviews
Search American Airlines flights

Traveling to a place near Grand Junction?

Book flights to Grand Junction if you plan to visit one of these locations
Fruita
Parachute
Palisade

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Grand Junction. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once all potential Ontario to Grand Junction flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Ontario to Grand Junction now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Grand Junction and let you know when they change.

An easier way to manage your Grand Junction 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 5/2
Sat 5/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States