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Cheap flights from Grand Junction to Los Angeles from $218

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 8/3. 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.

Find the cheapest flights from Grand Junction to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
8:20 am - 12:06 pm
GJT
-
ONT
4h 46m
1 stop
American Airlines Logo
6:15 am - 11:27 am
ONT
-
GJT
4h 12m
1 stop
$329American Airlines
Fri, Sep 11 - Sun, Sep 13
United Airlines Logo
5:30 am - 12:12 pm
GJT
-
ONT
7h 42m
2 stops
United Airlines Logo
5:00 am - 10:44 am
ONT
-
GJT
4h 44m
1 stop
$366United Airlines
Fri, Sep 11 - Sun, Sep 13
United Airlines Logo
3:12 pm - 8:53 pm
GJT
-
ONT
6h 41m
1 stop
United Airlines Logo
5:00 am - 12:38 pm
ONT
-
GJT
6h 38m
1 stop
$389United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
3:12 pm - 8:53 pm
GJT
-
ONT
6h 41m
1 stop
United Airlines Logo
11:00 am - 9:59 pm
ONT
-
GJT
9h 59m
2 stops
$394United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
11:19 am - 6:11 pm
GJT
-
ONT
7h 52m
2 stops
United Airlines Logo
11:00 am - 9:59 pm
ONT
-
GJT
9h 59m
2 stops
$399United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
7:00 am - 12:50 pm
GJT
-
ONT
6h 50m
1 stop
United Airlines Logo
9:01 am - 8:35 pm
ONT
-
GJT
10h 34m
2 stops
$404United Airlines
Fri, Aug 28 - Tue, Sep 1
United Airlines Logo
7:00 am - 12:47 pm
GJT
-
ONT
6h 47m
1 stop
United Airlines Logo
5:00 am - 12:31 pm
ONT
-
GJT
6h 31m
1 stop
$409United Airlines
Wed, Jul 29 - Tue, Sep 29
United Airlines Logo
1:40 pm - 8:01 pm
GJT
-
ONT
7h 21m
2 stops
United Airlines Logo
5:00 am - 12:38 pm
ONT
-
GJT
6h 38m
1 stop
$414United Airlines
Thu, Aug 13 - Sun, Aug 16
United Airlines Logo
7:00 am - 12:47 pm
GJT
-
ONT
6h 47m
1 stop
United Airlines Logo
5:00 am - 12:31 pm
ONT
-
GJT
6h 31m
1 stop
$429United Airlines
Fri, Jul 24 - Sun, Jul 26
United Airlines Logo
7:00 am - 12:47 pm
GJT
-
ONT
6h 47m
1 stop
United Airlines Logo
5:00 am - 12:31 pm
ONT
-
GJT
6h 31m
1 stop
$459United Airlines
Fri, Jul 24 - Sun, Jul 26

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United Airlines flights from Grand Junction to Ontario

Our best United Airlines deals on Grand Junction to Ontario flight tickets
United Airlines
Sep 11
GJT5:30 amGrand Junction Regnl
7h 42m
2 stops
ONT12:12 pmOntario
Sep 13
ONT5:00 amOntario
4h 44m
1 stop
GJT10:44 amGrand Junction Regnl
$366
United Airlines
Aug 25
GJT3:12 pmGrand Junction Regnl
6h 41m
1 stop
ONT8:53 pmOntario
Aug 29
ONT5:00 amOntario
6h 38m
1 stop
GJT12:38 pmGrand Junction Regnl
$389
United Airlines
Aug 25
GJT3:12 pmGrand Junction Regnl
6h 41m
1 stop
ONT8:53 pmOntario
Aug 29
ONT11:00 amOntario
9h 59m
2 stops
GJT9:59 pmGrand Junction Regnl
$394

American Airlines flights from Grand Junction to Ontario

Our best American Airlines deals on Grand Junction to Ontario flight tickets
American Airlines
Sep 11
GJT8:20 amGrand Junction Regnl
4h 46m
1 stop
ONT12:06 pmOntario
Sep 13
ONT6:15 amOntario
4h 12m
1 stop
GJT11:27 amGrand Junction Regnl
$329
American Airlines
Jul 22
GJT6:54 pmGrand Junction Regnl
3h 49m
1 stop
ONT9:43 pmOntario
Jul 26
ONT7:15 pmOntario
4h 01m
1 stop
GJT12:16 amGrand Junction Regnl
$366

momondo Fare Finder

 
Customize your flight search to find flights from Grand Junction to Ontario 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 July 14, 2026.
Use the filters below to find and compare flights from Grand Junction to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Fri 9/11

8:20 am-12:06 pm

1 stop4h 46m

Ontario

Sun 9/13

6:15 am-11:27 am

1 stop4h 12m

$329

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Fri 9/11

5:30 am-12:12 pm

2 stops7h 42m

Ontario

Sun 9/13

5:00 am-10:44 am

1 stop4h 44m

$366

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Tue 8/25

3:12 pm-8:53 pm

1 stop6h 41m

Ontario

Sat 8/29

5:00 am-12:38 pm

1 stop6h 38m

$389

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Tue 8/25

3:12 pm-8:53 pm

1 stop6h 41m

Ontario

Sat 8/29

11:00 am-9:59 pm

2 stops9h 59m

$394

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Tue 8/25

11:19 am-6:11 pm

2 stops7h 52m

Ontario

Sat 8/29

11:00 am-9:59 pm

2 stops9h 59m

$399

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Fri 8/28

7:00 am-12:50 pm

1 stop6h 50m

Ontario

Tue 9/1

9:01 am-8:35 pm

2 stops10h 34m

$404

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Wed 7/29

7:00 am-12:47 pm

1 stop6h 47m

Ontario

Tue 9/29

5:00 am-12:31 pm

1 stop6h 31m

$409

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Thu 8/13

1:40 pm-8:01 pm

2 stops7h 21m

Ontario

Sun 8/16

5:00 am-12:38 pm

1 stop6h 38m

$414

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Fri 7/24

7:00 am-12:47 pm

1 stop6h 47m

Ontario

Sun 7/26

5:00 am-12:31 pm

1 stop6h 31m

$429

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Fri 7/24

7:00 am-12:47 pm

1 stop6h 47m

Ontario

Sun 7/26

5:00 am-12:31 pm

1 stop6h 31m

$459

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

What is the cheapest month to fly to Ontario?

In general, December is the cheapest month to fly from Grand Junction to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel during the month of December, then book flights to Ontario from Grand Junction during February instead. Flights to Ontario in February, while not as cheap as those in December, still average around $211.

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 33m

Direct flights

None
The fastest flight from Grand Junction to Ontario takes 5h 33m
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 33m.

  • 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?

  • 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?

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 AirlinesPriceFrom $228Free CancellationRating
7.1
11,812 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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