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Cheap flights from Grand Junction to Los Angeles from $201

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 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.
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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.
American Airlines Logo
6:55 pm - 9:57 pm
GJT
-
ONT
4h 02m
1 stop
American Airlines Logo
6:10 am - 11:35 am
ONT
-
GJT
4h 25m
1 stop
$271American Airlines
Mon, Jun 15 - Sat, Jun 20
Delta Logo
6:53 pm - 11:34 pm
GJT
-
ONT
5h 41m
1 stop
Delta Logo
5:13 pm - 9:50 pm
ONT
-
GJT
3h 37m
1 stop
$295Delta
Fri, Sep 4 - Mon, Sep 14
Delta Logo
6:53 pm - 11:34 pm
GJT
-
ONT
5h 41m
1 stop
Delta Logo
5:13 pm - 9:50 pm
ONT
-
GJT
3h 37m
1 stop
$335Delta
Fri, Sep 4 - Mon, Sep 14
United Airlines Logo
5:30 am - 12:20 pm
GJT
-
ONT
7h 50m
2 stops
United Airlines Logo
5:00 am - 10:55 am
ONT
-
GJT
4h 55m
1 stop
$356United Airlines
Thu, Nov 12 - Sun, Nov 15
American Airlines Logo
4:56 pm - 10:39 pm
GJT
-
ONT
6h 43m
1 stop
American Airlines Logo
7:13 pm - 10:29 am
ONT
-
GJT
14h 16m
2 stops
$368American Airlines
Thu, Jun 11 - Mon, Jun 15
United Airlines Logo
1:33 pm - 10:37 pm
GJT
-
ONT
10h 04m
2 stops
United Airlines Logo
5:00 am - 12:31 pm
ONT
-
GJT
6h 31m
1 stop
$380United Airlines
Thu, Jul 2 - Tue, Jul 7
United Airlines Logo
1:33 pm - 5:28 pm
GJT
-
ONT
4h 55m
1 stop
United Airlines Logo
5:00 am - 12:31 pm
ONT
-
GJT
6h 31m
1 stop
$381United Airlines
Thu, Jun 11 - Mon, Jun 15
American Airlines Logo
6:54 pm - 9:43 pm
GJT
-
ONT
3h 49m
1 stop
American Airlines Logo
7:15 pm - 12:16 am
ONT
-
GJT
4h 01m
1 stop
$399American Airlines
Fri, Jul 17 - Mon, Jul 20
United Airlines Logo
7:00 am - 12:47 pm
GJT
-
ONT
6h 47m
1 stop
United Airlines Logo
1:18 pm - 8:34 pm
ONT
-
GJT
6h 16m
1 stop
$405United Airlines
Wed, Jun 10 - Sat, Jun 13
American Airlines Logo
6:54 pm - 9:43 pm
GJT
-
ONT
3h 49m
1 stop
American Airlines Logo
7:15 pm - 12:16 am
ONT
-
GJT
4h 01m
1 stop
$408American Airlines
Fri, Jul 17 - Sun, Jul 19

United Airlines flights from Grand Junction to Ontario

Our best United Airlines deals on Grand Junction to Ontario flight tickets
United Airlines
Nov 12
GJT5:30 amGrand Junction Regnl
7h 50m
2 stops
ONT12:20 pmOntario
Nov 15
ONT5:00 amOntario
4h 55m
1 stop
GJT10:55 amGrand Junction Regnl
$356
United Airlines
Jul 2
GJT1:33 pmGrand Junction Regnl
10h 04m
2 stops
ONT10:37 pmOntario
Jul 7
ONT5:00 amOntario
6h 31m
1 stop
GJT12:31 pmGrand Junction Regnl
$380
United Airlines
Jun 11
GJT1:33 pmGrand Junction Regnl
4h 55m
1 stop
ONT5:28 pmOntario
Jun 15
ONT5:00 amOntario
6h 31m
1 stop
GJT12:31 pmGrand Junction Regnl
$381

American Airlines flights from Grand Junction to Ontario

Our best American Airlines deals on Grand Junction to Ontario flight tickets
American Airlines
Jun 15
GJT6:55 pmGrand Junction Regnl
4h 02m
1 stop
ONT9:57 pmOntario
Jun 20
ONT6:10 amOntario
4h 25m
1 stop
GJT11:35 amGrand Junction Regnl
$271
American Airlines
Jun 11
GJT4:56 pmGrand Junction Regnl
6h 43m
1 stop
ONT10:39 pmOntario
Jun 15
ONT7:13 pmOntario
14h 16m
2 stops
GJT10:29 amGrand Junction Regnl
$368
American Airlines
May 30
GJT6:55 pmGrand Junction Regnl
4h 07m
1 stop
ONT10:02 pmOntario
Jun 7
ONT1:11 pmOntario
4h 14m
1 stop
GJT6:25 pmGrand Junction Regnl
$381

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 May 29, 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

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Mon 6/15

6:55 pm-9:57 pm

1 stop4h 02m

Ontario

Sat 6/20

6:10 am-11:35 am

1 stop4h 25m

$271

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Fri 9/4

6:53 pm-11:34 pm

1 stop5h 41m

Ontario

Mon 9/14

5:13 pm-9:50 pm

1 stop3h 37m

$295

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Fri 9/4

6:53 pm-11:34 pm

1 stop5h 41m

Ontario

Mon 9/14

5:13 pm-9:50 pm

1 stop3h 37m

$335

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Thu 11/12

5:30 am-12:20 pm

2 stops7h 50m

Ontario

Sun 11/15

5:00 am-10:55 am

1 stop4h 55m

$356

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Thu 6/11

4:56 pm-10:39 pm

1 stop6h 43m

Ontario

Mon 6/15

7:13 pm-10:29 am

2 stops14h 16m

$368

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Thu 7/2

1:33 pm-10:37 pm

2 stops10h 04m

Ontario

Tue 7/7

5:00 am-12:31 pm

1 stop6h 31m

$380

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Thu 6/11

1:33 pm-5:28 pm

1 stop4h 55m

Ontario

Mon 6/15

5:00 am-12:31 pm

1 stop6h 31m

$381
Quickest round-trip

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Fri 7/17

6:54 pm-9:43 pm

1 stop3h 49m

Ontario

Mon 7/20

7:15 pm-12:16 am

1 stop4h 01m

$399

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Wed 6/10

7:00 am-12:47 pm

1 stop6h 47m

Ontario

Sat 6/13

1:18 pm-8:34 pm

1 stop6h 16m

$405

Grand JunctionOntario

GJT - ONT

GJTONT

Grand Junction Regnl

Fri 7/17

6:54 pm-9:43 pm

1 stop3h 49m

Ontario

Sun 7/19

7:15 pm-12:16 am

1 stop4h 01m

$408

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 typical price of a round-trip flight between Grand Junction and Ontario?

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 29m

Direct flights

None
The fastest flight from Grand Junction to Ontario takes 5h 29m
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 29m.

  • 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
11,643 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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