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Cheap flights from Monterey to Los Angeles from $108

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 7/27. 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 Monterey to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:00 pm - 8:03 am
MRY
-
ONT
10h 03m
1 stop
Multiple Airlines Logo
3:40 pm - 9:10 pm
ONT
-
MRY
5h 30m
1 stop
$279Multiple Airlines
Fri, Jul 24 - Fri, Jul 31
United Airlines Logo
8:00 am - 12:12 pm
MRY
-
ONT
4h 12m
1 stop
United Airlines Logo
6:00 am - 11:10 am
ONT
-
MRY
5h 10m
1 stop
$334United Airlines
Fri, Jul 24 - Wed, Jul 29
Multiple Airlines Logo
10:00 pm - 11:50 pm
MRY
-
ONT
25h 50m
2 stops
Multiple Airlines Logo
3:40 pm - 9:10 pm
ONT
-
MRY
5h 30m
1 stop
$344Multiple Airlines
Fri, Jul 24 - Fri, Jul 31
United Airlines Logo
11:59 am - 5:46 pm
MRY
-
ONT
5h 47m
1 stop
United Airlines Logo
1:52 pm - 6:20 pm
ONT
-
MRY
4h 28m
1 stop
$349United Airlines
Sat, Oct 3 - Tue, Oct 6
United Airlines Logo
12:00 pm - 6:33 pm
MRY
-
ONT
6h 33m
1 stop
United Airlines Logo
6:39 pm - 11:47 pm
ONT
-
MRY
5h 08m
1 stop
$364United Airlines
Sat, Jul 11 - Thu, Jul 16
Multiple Airlines Logo
10:00 pm - 8:03 am
MRY
-
ONT
10h 03m
1 stop
Multiple Airlines Logo
3:40 pm - 1:34 pm
ONT
-
MRY
21h 54m
1 stop
$378Multiple Airlines
Fri, Jul 10 - Tue, Jul 14
United Airlines Logo
12:00 pm - 5:54 pm
MRY
-
ONT
5h 54m
1 stop
United Airlines Logo
4:20 pm - 9:52 pm
ONT
-
MRY
5h 32m
1 stop
$379United Airlines
Thu, Jul 9 - Sat, Jul 11
United Airlines Logo
8:00 am - 12:12 pm
MRY
-
ONT
4h 12m
1 stop
United Airlines Logo
4:20 pm - 9:52 pm
ONT
-
MRY
5h 32m
1 stop
$384United Airlines
Thu, Jul 16 - Sat, Jul 18
United Airlines Logo
12:00 pm - 5:54 pm
MRY
-
ONT
5h 54m
1 stop
United Airlines Logo
4:20 pm - 9:52 pm
ONT
-
MRY
5h 32m
1 stop
$389United Airlines
Thu, Jul 9 - Sat, Jul 11
United Airlines Logo
8:00 am - 12:12 pm
MRY
-
ONT
4h 12m
1 stop
United Airlines Logo
1:18 pm - 9:10 pm
ONT
-
MRY
7h 52m
1 stop
$399United Airlines
Wed, Jul 8 - Sun, Jul 12

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Alaska Airlines flights from Monterey to Ontario

Our best Alaska Airlines deals on Monterey to Ontario flight tickets
Alaska Airlines
Oct 28
MRY6:40 pmMonterey Regional
18h 41m
1 stop
ONT1:21 pmOntario
Oct 31
ONT7:23 amOntario
10h 40m
2 stops
MRY6:03 pmMonterey Regional
$458
Alaska Airlines
Oct 3
MRY6:40 pmMonterey Regional
15h 41m
1 stop
ONT10:21 amOntario
Oct 6
ONT7:23 amOntario
10h 40m
2 stops
MRY6:03 pmMonterey Regional
$488
Alaska Airlines
Nov 6
MRY4:48 pmMonterey Regional
6h 06m
1 stop
ONT10:54 pmOntario
Nov 8
ONT5:52 pmOntario
22h 19m
2 stops
MRY4:11 pmMonterey Regional
$508

United Airlines flights from Monterey to Ontario

Our best United Airlines deals on Monterey to Ontario flight tickets
United Airlines
Jul 24
MRY8:00 amMonterey Regional
4h 12m
1 stop
ONT12:12 pmOntario
Jul 29
ONT6:00 amOntario
5h 10m
1 stop
MRY11:10 amMonterey Regional
$334
United Airlines
Oct 3
MRY11:59 amMonterey Regional
5h 47m
1 stop
ONT5:46 pmOntario
Oct 6
ONT1:52 pmOntario
4h 28m
1 stop
MRY6:20 pmMonterey Regional
$349
United Airlines
Jul 11
MRY12:00 pmMonterey Regional
6h 33m
1 stop
ONT6:33 pmOntario
Jul 16
ONT6:39 pmOntario
5h 08m
1 stop
MRY11:47 pmMonterey Regional
$364

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 June 27, 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

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Fri 7/24

10:00 pm-8:03 am

1 stop10h 03m

Ontario

Fri 7/31

3:40 pm-9:10 pm

1 stop5h 30m

$279
Quickest round-trip

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Fri 7/24

8:00 am-12:12 pm

1 stop4h 12m

Ontario

Wed 7/29

6:00 am-11:10 am

1 stop5h 10m

$334

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Fri 7/24

10:00 pm-11:50 pm

2 stops25h 50m

Ontario

Fri 7/31

3:40 pm-9:10 pm

1 stop5h 30m

$344

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Sat 10/3

11:59 am-5:46 pm

1 stop5h 47m

Ontario

Tue 10/6

1:52 pm-6:20 pm

1 stop4h 28m

$349

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Sat 7/11

12:00 pm-6:33 pm

1 stop6h 33m

Ontario

Thu 7/16

6:39 pm-11:47 pm

1 stop5h 08m

$364

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Fri 7/10

10:00 pm-8:03 am

1 stop10h 03m

Ontario

Tue 7/14

3:40 pm-1:34 pm

1 stop21h 54m

$378

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Thu 7/9

12:00 pm-5:54 pm

1 stop5h 54m

Ontario

Sat 7/11

4:20 pm-9:52 pm

1 stop5h 32m

$379

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Thu 7/16

8:00 am-12:12 pm

1 stop4h 12m

Ontario

Sat 7/18

4:20 pm-9:52 pm

1 stop5h 32m

$384

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Thu 7/9

12:00 pm-5:54 pm

1 stop5h 54m

Ontario

Sat 7/11

4:20 pm-9:52 pm

1 stop5h 32m

$389

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Wed 7/8

8:00 am-12:12 pm

1 stop4h 12m

Ontario

Sun 7/12

1:18 pm-9:10 pm

1 stop7h 52m

$399

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 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 $159. 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 $233.

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 $155. 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 $263 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 29m

Direct flights

None
The fastest flight from Monterey to Ontario takes 3h 29m
There are no direct flights from Monterey to Ontario. There are no popular flight routes from Monterey to Ontario.
Search flight deals

Frequently asked questions about flying from Monterey to Ontario

  • 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 29m.

  • 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 $239Free CancellationRating
7.4
9,896 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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