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Cheap flights from Grand Junction to Los Angeles from $165

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 5/18. 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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0 bags

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Find the cheapest flights from Grand Junction to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:56 pm - 11:44 pm
GJT
-
ONT
5h 48m
1 stop
Delta Logo
1:00 pm - 6:10 pm
ONT
-
GJT
4h 10m
1 stop
$211Delta
Fri, Jul 10 - Sun, Jul 19
Delta Logo
6:51 pm - 11:34 pm
GJT
-
ONT
5h 43m
1 stop
Delta Logo
4:57 pm - 10:00 pm
ONT
-
GJT
4h 03m
1 stop
$230Delta
Fri, May 15 - Mon, May 18
American Airlines Logo
12:08 pm - 4:22 pm
GJT
-
ONT
5h 14m
1 stop
American Airlines Logo
6:15 am - 11:32 am
ONT
-
GJT
4h 17m
1 stop
$275American Airlines
Tue, Mar 31 - Sat, Apr 4
Delta Logo
6:56 pm - 11:44 pm
GJT
-
ONT
5h 48m
1 stop
Delta Logo
1:00 pm - 6:10 pm
ONT
-
GJT
4h 10m
1 stop
$294Delta
Thu, Jun 11 - Sun, Jun 14
Delta Logo
6:56 pm - 11:44 pm
GJT
-
ONT
5h 48m
1 stop
Delta Logo
1:00 pm - 6:10 pm
ONT
-
GJT
4h 10m
1 stop
$320Delta
Thu, Jul 9 - Sun, Jul 19
Delta Logo
6:56 pm - 11:44 pm
GJT
-
ONT
5h 48m
1 stop
Delta Logo
5:05 pm - 9:50 pm
ONT
-
GJT
3h 45m
1 stop
$335Delta
Thu, Jul 16 - Sat, Jul 18
United Airlines Logo
7:05 am - 12:48 pm
GJT
-
ONT
6h 43m
1 stop
United Airlines Logo
5:10 am - 12:38 pm
ONT
-
GJT
6h 28m
1 stop
$336United Airlines
Wed, Mar 25 - Tue, Mar 31
Delta Logo
7:45 am - 5:13 pm
GJT
-
ONT
10h 28m
2 stops
Delta Logo
5:09 pm - 9:53 pm
ONT
-
GJT
3h 44m
1 stop
$340Delta
Wed, Mar 25 - Tue, Mar 31
United Airlines Logo
7:05 am - 12:49 pm
GJT
-
ONT
6h 44m
1 stop
United Airlines Logo
1:50 pm - 8:37 pm
ONT
-
GJT
5h 47m
1 stop
$345United Airlines
Tue, Mar 10 - Sat, Mar 14
American Airlines Logo
12:08 pm - 4:22 pm
GJT
-
ONT
5h 14m
1 stop
American Airlines Logo
5:02 pm - 11:32 am
ONT
-
GJT
17h 30m
1 stop
$350American Airlines
Wed, Mar 18 - Mon, Mar 23

American Airlines flights from Grand Junction to Ontario

Our best American Airlines deals on Grand Junction to Ontario flight tickets
American Airlines
Mar 5
GJT12:08 pmGrand Junction Regnl
7h 07m
1 stop
ONT6:15 pmOntario
Mar 8
ONT11:58 pmOntario
9h 07m
1 stop
GJT10:05 amGrand Junction Regnl
$259
American Airlines
Mar 31
GJT12:08 pmGrand Junction Regnl
5h 14m
1 stop
ONT4:22 pmOntario
Apr 4
ONT6:15 amOntario
4h 17m
1 stop
GJT11:32 amGrand Junction Regnl
$275
American Airlines
Mar 18
GJT12:08 pmGrand Junction Regnl
5h 14m
1 stop
ONT4:22 pmOntario
Mar 23
ONT5:02 pmOntario
17h 30m
1 stop
GJT11:32 amGrand Junction Regnl
$350

United Airlines flights from Grand Junction to Ontario

Our best United Airlines deals on Grand Junction to Ontario flight tickets
United Airlines
Mar 5
GJT1:40 pmGrand Junction Regnl
10h 17m
2 stops
ONT10:57 pmOntario
Mar 7
ONT5:15 amOntario
6h 29m
1 stop
GJT12:44 pmGrand Junction Regnl
$264
United Airlines
Mar 5
GJT1:40 pmGrand Junction Regnl
10h 17m
2 stops
ONT10:57 pmOntario
Mar 7
ONT6:15 amOntario
10h 07m
2 stops
GJT5:22 pmGrand Junction Regnl
$269
United Airlines
Mar 5
GJT1:40 pmGrand Junction Regnl
10h 17m
2 stops
ONT10:57 pmOntario
Mar 8
ONT5:15 amOntario
6h 23m
1 stop
GJT12:38 pmGrand Junction Regnl
$289

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 February 26, 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

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Fri 7/10

6:56 pm-11:44 pm

1 stop5h 48m

Ontario

Sun 7/19

1:00 pm-6:10 pm

1 stop4h 10m

$211

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Fri 5/15

6:51 pm-11:34 pm

1 stop5h 43m

Ontario

Mon 5/18

4:57 pm-10:00 pm

1 stop4h 03m

$230

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Tue 3/31

12:08 pm-4:22 pm

1 stop5h 14m

Ontario

Sat 4/4

6:15 am-11:32 am

1 stop4h 17m

$275

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Thu 6/11

6:56 pm-11:44 pm

1 stop5h 48m

Ontario

Sun 6/14

1:00 pm-6:10 pm

1 stop4h 10m

$294

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Thu 7/9

6:56 pm-11:44 pm

1 stop5h 48m

Ontario

Sun 7/19

1:00 pm-6:10 pm

1 stop4h 10m

$320

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Thu 7/16

6:56 pm-11:44 pm

1 stop5h 48m

Ontario

Sat 7/18

5:05 pm-9:50 pm

1 stop3h 45m

$335

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Wed 3/25

7:05 am-12:48 pm

1 stop6h 43m

Ontario

Tue 3/31

5:10 am-12:38 pm

1 stop6h 28m

$336

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Wed 3/25

7:45 am-5:13 pm

2 stops10h 28m

Ontario

Tue 3/31

5:09 pm-9:53 pm

1 stop3h 44m

$340

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Tue 3/10

7:05 am-12:49 pm

1 stop6h 44m

Ontario

Sat 3/14

1:50 pm-8:37 pm

1 stop5h 47m

$345

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Wed 3/18

12:08 pm-4:22 pm

1 stop5h 14m

Ontario

Mon 3/23

5:02 pm-11:32 am

1 stop17h 30m

$350

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

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 airline that flies from Grand Junction Regnl to Ontario?

Delta and American 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 49% 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.

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

  • 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?

  • 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
7.2
11,352 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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