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Cheap flights from Monterey to Los Angeles from $212

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Monterey to Los Angeles departing on 5/2. 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 Monterey to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:00 am - 12:12 pm
MRY
-
ONT
4h 12m
1 stop
United Airlines Logo
8:00 am - 11:10 am
ONT
-
MRY
3h 10m
1 stop
$299United Airlines
Wed, Sep 16 - Wed, Sep 23
United Airlines Logo
12:02 pm - 5:47 pm
MRY
-
ONT
5h 45m
1 stop
United Airlines Logo
1:27 pm - 7:39 pm
ONT
-
MRY
6h 12m
1 stop
$357United Airlines
Wed, Apr 8 - Wed, Apr 15
United Airlines Logo
8:05 am - 12:20 pm
MRY
-
ONT
4h 15m
1 stop
United Airlines Logo
6:59 pm - 10:23 pm
ONT
-
MRY
3h 24m
1 stop
$359United Airlines
Tue, Apr 7 - Thu, Apr 30
Multiple Airlines Logo
5:09 pm - 7:49 am
MRY
-
ONT
14h 40m
1 stop
Multiple Airlines Logo
11:36 am - 4:19 pm
ONT
-
MRY
4h 43m
1 stop
$363Multiple Airlines
Thu, May 14 - Sun, May 17
United Airlines Logo
7:00 pm - 10:45 pm
MRY
-
ONT
3h 45m
1 stop
United Airlines Logo
1:27 pm - 6:00 pm
ONT
-
MRY
4h 33m
1 stop
$369United Airlines
Fri, Apr 17 - Sun, Apr 19
United Airlines Logo
12:02 pm - 5:47 pm
MRY
-
ONT
5h 45m
1 stop
United Airlines Logo
6:00 am - 11:27 am
ONT
-
MRY
5h 27m
1 stop
$379United Airlines
Sat, Apr 4 - Mon, Apr 6
United Airlines Logo
8:05 am - 12:20 pm
MRY
-
ONT
4h 15m
1 stop
United Airlines Logo
1:27 pm - 6:00 pm
ONT
-
MRY
4h 33m
1 stop
$394United Airlines
Thu, Apr 16 - Sun, Apr 19
Multiple Airlines Logo
5:09 pm - 10:05 am
MRY
-
ONT
16h 56m
2 stops
Multiple Airlines Logo
11:36 am - 4:19 pm
ONT
-
MRY
4h 43m
1 stop
$425Multiple Airlines
Thu, May 14 - Sun, May 17
United Airlines Logo
7:00 pm - 10:45 pm
MRY
-
ONT
3h 45m
1 stop
United Airlines Logo
1:27 pm - 7:39 pm
ONT
-
MRY
6h 12m
1 stop
$429United Airlines
Sat, Apr 11 - Wed, Apr 15
United Airlines Logo
7:00 pm - 10:45 pm
MRY
-
ONT
3h 45m
1 stop
United Airlines Logo
6:00 am - 11:27 am
ONT
-
MRY
5h 27m
1 stop
$432United Airlines
Fri, Apr 17 - Mon, Apr 20

Alaska Airlines flights from Monterey to Ontario

Our best Alaska Airlines deals on Monterey to Ontario flight tickets
Alaska Airlines
May 2
MRY6:02 amMonterey Regional
17h 46m
2 stops
ONT11:48 pmOntario
May 4
ONT7:59 pmOntario
20h 08m
1 stop
MRY4:07 pmMonterey Regional
$512
Alaska Airlines
Apr 28
MRY4:44 pmMonterey Regional
21h 48m
1 stop
ONT2:32 pmOntario
May 1
ONT7:59 pmOntario
20h 08m
1 stop
MRY4:07 pmMonterey Regional
$523
Alaska Airlines
May 7
MRY2:51 pmMonterey Regional
18h 54m
2 stops
ONT9:45 amOntario
May 8
ONT7:59 pmOntario
20h 08m
1 stop
MRY4:07 pmMonterey Regional
$528

United Airlines flights from Monterey to Ontario

Our best United Airlines deals on Monterey to Ontario flight tickets
United Airlines
Sep 16
MRY8:00 amMonterey Regional
4h 12m
1 stop
ONT12:12 pmOntario
Sep 23
ONT8:00 amOntario
3h 10m
1 stop
MRY11:10 amMonterey Regional
$299
United Airlines
Apr 8
MRY12:02 pmMonterey Regional
5h 45m
1 stop
ONT5:47 pmOntario
Apr 15
ONT1:27 pmOntario
6h 12m
1 stop
MRY7:39 pmMonterey Regional
$357
United Airlines
Apr 7
MRY8:05 amMonterey Regional
4h 15m
1 stop
ONT12:20 pmOntario
Apr 30
ONT6:59 pmOntario
3h 24m
1 stop
MRY10:23 pmMonterey Regional
$359

momondo Fare Finder

 
Customize your flight search to find flights from Monterey 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 March 25, 2026.
Use the filters below to find and compare flights from Monterey to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Wed 9/16

8:00 am-12:12 pm

1 stop4h 12m

Ontario

Wed 9/23

8:00 am-11:10 am

1 stop3h 10m

$299

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Wed 4/8

12:02 pm-5:47 pm

1 stop5h 45m

Ontario

Wed 4/15

1:27 pm-7:39 pm

1 stop6h 12m

$357

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Tue 4/7

8:05 am-12:20 pm

1 stop4h 15m

Ontario

Thu 4/30

6:59 pm-10:23 pm

1 stop3h 24m

$359

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Thu 5/14

5:09 pm-7:49 am

1 stop14h 40m

Ontario

Sun 5/17

11:36 am-4:19 pm

1 stop4h 43m

$363

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Fri 4/17

7:00 pm-10:45 pm

1 stop3h 45m

Ontario

Sun 4/19

1:27 pm-6:00 pm

1 stop4h 33m

$369

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Sat 4/4

12:02 pm-5:47 pm

1 stop5h 45m

Ontario

Mon 4/6

6:00 am-11:27 am

1 stop5h 27m

$379

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Thu 4/16

8:05 am-12:20 pm

1 stop4h 15m

Ontario

Sun 4/19

1:27 pm-6:00 pm

1 stop4h 33m

$394

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Thu 5/14

5:09 pm-10:05 am

2 stops16h 56m

Ontario

Sun 5/17

11:36 am-4:19 pm

1 stop4h 43m

$425

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Sat 4/11

7:00 pm-10:45 pm

1 stop3h 45m

Ontario

Wed 4/15

1:27 pm-7:39 pm

1 stop6h 12m

$429

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Fri 4/17

7:00 pm-10:45 pm

1 stop3h 45m

Ontario

Mon 4/20

6:00 am-11:27 am

1 stop5h 27m

$432

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 Monterey 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 day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Monday when prices can be found for as low as $147. This is often the case because there is less demand to fly during this day of the week. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Monterey to Ontario for around $202.

What is the cheapest time of day to depart on your flight to Ontario?

In the evening is the cheapest time of day to fly from Monterey to Ontario when you can find flight prices for as low as $137. Flying to Ontario in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $243 on average. Flights to Ontario from Monterey in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Monterey to Ontario

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

Cheap Monterey to Ontario (MRY to ONT) flight deals and tips

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

Fastest flight time

3h 57m

Direct flights

None
The fastest flight from Monterey to Ontario takes 3h 57m
There are no direct flights from Monterey to Ontario. There are no popular flight routes from Monterey to Ontario.
Search flight deals

  • How far is Monterey Regional to Ontario by plane?

    A flight from Monterey Regional to Ontario will travel around 296.3 mi. In terms of flight time, this usually takes a little over 3h 57m.

  • When did momondo last update prices for flights from Monterey Regional Airport to Ontario Airport?

    Prices for flights from Monterey Regional Airport to Ontario Airport refresh daily.

  • How many operators does momondo search for flights from Monterey Regional Airport to Ontario Airport?

  • How old do you have to be to fly from Monterey Regional 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 Monterey Regional 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 Monterey to Ontario?

Best airlines flying from Monterey to Ontario

Compare and see reviews for airlines that fly from Monterey to Ontario with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $218Free CancellationRating
7.4
9,478 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Monterey 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 Monterey to Ontario with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Monterey to Ontario flights to just show those with flexible booking policies.

How can momondo help me find flights from Monterey to Ontario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Monterey to Ontario.

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

Yes. momondo can track prices for Monterey to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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