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Cheap flights from Monterey to Los Angeles from $103

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 5/29. 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
12:05 pm - 5:52 pm
MRY
-
ONT
5h 47m
1 stop
United Airlines Logo
6:00 am - 11:10 am
ONT
-
MRY
5h 10m
1 stop
$309United Airlines
Tue, May 19 - Sat, May 23
United Airlines Logo
8:00 am - 12:12 pm
MRY
-
ONT
4h 12m
1 stop
United Airlines Logo
6:00 am - 10:15 am
ONT
-
MRY
4h 15m
1 stop
$313United Airlines
Sun, Aug 9 - Sun, Aug 16
United Airlines Logo
6:45 pm - 10:58 pm
MRY
-
ONT
4h 13m
1 stop
United Airlines Logo
1:44 pm - 5:30 pm
ONT
-
MRY
3h 46m
1 stop
$349United Airlines
Wed, Aug 12 - Sat, Aug 15
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
$364United Airlines
Thu, May 21 - Sun, May 24
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
$379United Airlines
Thu, May 21 - Mon, May 25
United Airlines Logo
8:00 am - 12:12 pm
MRY
-
ONT
4h 12m
1 stop
United Airlines Logo
6:00 am - 10:15 am
ONT
-
MRY
4h 15m
1 stop
$384United Airlines
Sun, Aug 9 - Sun, Aug 16
Alaska Airlines Logo
6:57 pm - 3:09 pm
MRY
-
ONT
20h 12m
1 stop
Alaska Airlines Logo
8:11 pm - 6:14 pm
ONT
-
MRY
22h 03m
1 stop
$388Alaska Airlines
Fri, May 29 - Mon, Jun 1
Alaska Airlines Logo
6:57 pm - 11:10 am
MRY
-
ONT
16h 13m
1 stop
Alaska Airlines Logo
6:00 am - 6:14 pm
ONT
-
MRY
12h 14m
1 stop
$403Alaska Airlines
Sat, May 23 - Wed, May 27
United Airlines Logo
5:00 am - 12:38 pm
MRY
-
ONT
7h 38m
1 stop
United Airlines Logo
6:00 am - 11:10 am
ONT
-
MRY
5h 10m
1 stop
$424United Airlines
Sat, May 23 - Wed, May 27
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
$425United Airlines
Thu, May 28 - Sun, May 31

United Airlines flights from Monterey to Ontario

Our best United Airlines deals on Monterey to Ontario flight tickets
United Airlines
May 19
MRY12:05 pmMonterey Regional
5h 47m
1 stop
ONT5:52 pmOntario
May 23
ONT6:00 amOntario
5h 10m
1 stop
MRY11:10 amMonterey Regional
$309
United Airlines
Aug 9
MRY8:00 amMonterey Regional
4h 12m
1 stop
ONT12:12 pmOntario
Aug 16
ONT6:00 amOntario
4h 15m
1 stop
MRY10:15 amMonterey Regional
$313
United Airlines
Aug 12
MRY6:45 pmMonterey Regional
4h 13m
1 stop
ONT10:58 pmOntario
Aug 15
ONT1:44 pmOntario
3h 46m
1 stop
MRY5:30 pmMonterey Regional
$349

Alaska Airlines flights from Monterey to Ontario

Our best Alaska Airlines deals on Monterey to Ontario flight tickets
Alaska Airlines
May 29
MRY6:57 pmMonterey Regional
20h 12m
1 stop
ONT3:09 pmOntario
Jun 1
ONT8:11 pmOntario
22h 03m
1 stop
MRY6:14 pmMonterey Regional
$388
Alaska Airlines
May 23
MRY6:57 pmMonterey Regional
16h 13m
1 stop
ONT11:10 amOntario
May 27
ONT6:00 amOntario
12h 14m
1 stop
MRY6:14 pmMonterey Regional
$403
Alaska Airlines
May 23
MRY6:57 pmMonterey Regional
15h 24m
2 stops
ONT10:21 amOntario
May 27
ONT12:06 pmOntario
6h 08m
1 stop
MRY6:14 pmMonterey Regional
$516

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 May 6, 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

Tue 5/19

12:05 pm-5:52 pm

1 stop5h 47m

Ontario

Sat 5/23

6:00 am-11:10 am

1 stop5h 10m

$309

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Sun 8/9

8:00 am-12:12 pm

1 stop4h 12m

Ontario

Sun 8/16

6:00 am-10:15 am

1 stop4h 15m

$313
Quickest round-trip

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Wed 8/12

6:45 pm-10:58 pm

1 stop4h 13m

Ontario

Sat 8/15

1:44 pm-5:30 pm

1 stop3h 46m

$349

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Thu 5/21

8:00 am-12:12 pm

1 stop4h 12m

Ontario

Sun 5/24

6:00 am-11:10 am

1 stop5h 10m

$364

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Thu 5/21

8:00 am-12:12 pm

1 stop4h 12m

Ontario

Mon 5/25

6:00 am-11:10 am

1 stop5h 10m

$379

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Sun 8/9

8:00 am-12:12 pm

1 stop4h 12m

Ontario

Sun 8/16

6:00 am-10:15 am

1 stop4h 15m

$384

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Fri 5/29

6:57 pm-3:09 pm

1 stop20h 12m

Ontario

Mon 6/1

8:11 pm-6:14 pm

1 stop22h 03m

$388

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Sat 5/23

6:57 pm-11:10 am

1 stop16h 13m

Ontario

Wed 5/27

6:00 am-6:14 pm

1 stop12h 14m

$403

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Sat 5/23

5:00 am-12:38 pm

1 stop7h 38m

Ontario

Wed 5/27

6:00 am-11:10 am

1 stop5h 10m

$424

MontereyOntario

MRY - ONT

MRYONT

Monterey Regional

Thu 5/28

8:00 am-12:12 pm

1 stop4h 12m

Ontario

Sun 5/31

6:00 am-11:10 am

1 stop5h 10m

$425

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 $156. 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 $214.

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 $142. 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 $255 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 42m

Direct flights

None
The fastest flight from Monterey to Ontario takes 3h 42m
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 42m.

  • 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
9,684 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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