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Cheap flights from Ontario to San Francisco from $85

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:27 pm - 3:09 pmONT  Ontario-MRY Monterey Regional
20h 42m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
3:59 pm - 7:07 amMRY  Monterey Regional-ONT Ontario
15h 08m1 stop Las Vegas Harry Reid Intl
$141Multiple Airlines
Thu, Jan 28 - Mon, Feb 1
United Airlines Logo
4:17 pm - 9:59 pmONT  Ontario-MRY Monterey Regional
5h 42m1 stop San Francisco
United Airlines Logo
3:30 pm - 8:38 pmMRY  Monterey Regional-ONT Ontario
5h 08m1 stop San Francisco
$329United Airlines
Fri, Dec 4 - Mon, Dec 7
United Airlines Logo
4:17 pm - 9:34 pmONT  Ontario-MRY Monterey Regional
5h 17m1 stop San Francisco
United Airlines Logo
2:25 pm - 6:01 pmMRY  Monterey Regional-ONT Ontario
3h 36m1 stop San Francisco
$359United Airlines
Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
6:00 am - 11:42 amONT  Ontario-MRY Monterey Regional
5h 42m1 stop San Francisco
United Airlines Logo
6:55 pm - 10:53 pmMRY  Monterey Regional-ONT Ontario
3h 58m1 stop San Francisco
$419United Airlines
Thu, Dec 10 - Thu, Dec 17
United Airlines Logo
6:00 am - 10:35 amONT  Ontario-MRY Monterey Regional
4h 35m1 stop San Francisco
United Airlines Logo
6:30 am - 12:29 pmMRY  Monterey Regional-ONT Ontario
5h 59m1 stop San Francisco
$419United Airlines
Wed, Nov 25 - Mon, Nov 30
United Airlines Logo
6:00 am - 11:42 amONT  Ontario-MRY Monterey Regional
5h 42m1 stop San Francisco
United Airlines Logo
6:30 am - 10:13 amMRY  Monterey Regional-ONT Ontario
3h 43m1 stop San Francisco
$419United Airlines
Sat, Dec 5 - Sun, Dec 6
United Airlines Logo
6:27 pm - 9:58 pmONT  Ontario-MRY Monterey Regional
3h 31m1 stop San Francisco
United Airlines Logo
8:19 am - 11:58 amMRY  Monterey Regional-ONT Ontario
3h 39m1 stop San Francisco
$419United Airlines
Sat, Dec 19 - Mon, Dec 21
United Airlines Logo
6:00 am - 11:16 amONT  Ontario-MRY Monterey Regional
5h 16m1 stop San Francisco
United Airlines Logo
7:00 am - 9:57 amMRY  Monterey Regional-ONT Ontario
2h 57m1 stop San Francisco
$419United Airlines
Sat, Jan 23 - Mon, Jan 25
United Airlines Logo
6:00 am - 10:35 amONT  Ontario-MRY Monterey Regional
4h 35m1 stop San Francisco
United Airlines Logo
6:30 am - 9:38 amMRY  Monterey Regional-ONT Ontario
3h 08m1 stop San Francisco
$419United Airlines
Sat, Nov 28 - Tue, Dec 1
Alaska Airlines Logo
10:03 am - 6:09 pmONT  Ontario-MRY Monterey Regional
8h 06m2 stops Portland Seattle/Tacoma Intl
Alaska Airlines Logo
6:46 pm - 2:47 pmMRY  Monterey Regional-ONT Ontario
20h 01m1 stop Seattle/Tacoma Intl
$568Alaska Airlines
Sat, Feb 20 - Mon, Feb 22

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United Airlines flights from Ontario to Monterey

Our best United Airlines deals on Ontario to Monterey flight tickets
United Airlines
Dec 4
ONT4:17 pmOntario
5h 42m
1 stop
MRY9:59 pmMonterey Regional
Dec 7
MRY3:30 pmMonterey Regional
5h 08m
1 stop
ONT8:38 pmOntario
$329
United Airlines
Nov 10
ONT4:17 pmOntario
5h 17m
1 stop
MRY9:34 pmMonterey Regional
Nov 14
MRY2:25 pmMonterey Regional
3h 36m
1 stop
ONT6:01 pmOntario
$359
United Airlines
Nov 3
ONT4:17 pmOntario
5h 17m
1 stop
MRY9:34 pmMonterey Regional
Nov 7
MRY10:05 amMonterey Regional
5h 28m
1 stop
ONT3:33 pmOntario
$389

Alaska Airlines flights from Ontario to Monterey

Our best Alaska Airlines deals on Ontario to Monterey flight tickets
Alaska Airlines
Feb 20
ONT10:03 amOntario
8h 06m
2 stops
MRY6:09 pmMonterey Regional
Feb 22
MRY6:46 pmMonterey Regional
20h 01m
1 stop
ONT2:47 pmOntario
$568
Alaska Airlines
Dec 8
ONT6:00 amOntario
17h 46m
2 stops
MRY11:46 pmMonterey Regional
Dec 11
MRY6:09 pmMonterey Regional
17h 04m
1 stop
ONT11:13 amOntario
$579
Alaska Airlines
Jan 28
ONT7:10 amOntario
10h 17m
2 stops
MRY5:27 pmMonterey Regional
Feb 1
MRY6:04 pmMonterey Regional
16h 34m
1 stop
ONT10:38 amOntario
$598

momondo Fare Finder

 
Use the filters below to find and compare flights from Ontario to Monterey that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioMonterey

ONT Ontario - MRY Monterey Regional

ONTMRY

Ontario

Thu 1/28

6:27 pm-3:09 pm

1 stop20h 42m

Monterey Regional

Mon 2/1

3:59 pm-7:07 am

1 stop15h 08m

$141

OntarioMonterey

ONT Ontario - MRY Monterey Regional

ONTMRY

Ontario

Fri 12/4

4:17 pm-9:59 pm

1 stop5h 42m

Monterey Regional

Mon 12/7

3:30 pm-8:38 pm

1 stop5h 08m

$329

OntarioMonterey

ONT Ontario - MRY Monterey Regional

ONTMRY

Ontario

Tue 11/10

4:17 pm-9:34 pm

1 stop5h 17m

Monterey Regional

Sat 11/14

2:25 pm-6:01 pm

1 stop3h 36m

$359

OntarioMonterey

ONT Ontario - MRY Monterey Regional

ONTMRY

Ontario

Thu 12/10

6:00 am-11:42 am

1 stop5h 42m

Monterey Regional

Thu 12/17

6:55 pm-10:53 pm

1 stop3h 58m

$419

OntarioMonterey

ONT Ontario - MRY Monterey Regional

ONTMRY

Ontario

Wed 11/25

6:00 am-10:35 am

1 stop4h 35m

Monterey Regional

Mon 11/30

6:30 am-12:29 pm

1 stop5h 59m

$419

OntarioMonterey

ONT Ontario - MRY Monterey Regional

ONTMRY

Ontario

Sat 12/5

6:00 am-11:42 am

1 stop5h 42m

Monterey Regional

Sun 12/6

6:30 am-10:13 am

1 stop3h 43m

$419
Quickest round-trip

OntarioMonterey

ONT Ontario - MRY Monterey Regional

ONTMRY

Ontario

Sat 12/19

6:27 pm-9:58 pm

1 stop3h 31m

Monterey Regional

Mon 12/21

8:19 am-11:58 am

1 stop3h 39m

$419

OntarioMonterey

ONT Ontario - MRY Monterey Regional

ONTMRY

Ontario

Sat 1/23

6:00 am-11:16 am

1 stop5h 16m

Monterey Regional

Mon 1/25

7:00 am-9:57 am

1 stop2h 57m

$419

OntarioMonterey

ONT Ontario - MRY Monterey Regional

ONTMRY

Ontario

Sat 11/28

6:00 am-10:35 am

1 stop4h 35m

Monterey Regional

Tue 12/1

6:30 am-9:38 am

1 stop3h 08m

$419

OntarioMonterey

ONT Ontario - MRY Monterey Regional

ONTMRY

Ontario

Sat 2/20

10:03 am-6:09 pm

2 stops8h 06m

Monterey Regional

Mon 2/22

6:46 pm-2:47 pm

1 stop20h 01m

$568

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 Ontario to Monterey

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 month to fly to Monterey?

The month of March is, on average, the cheapest month to fly to Monterey from Ontario, with most prices found around $0. If you’re not able to fly to Monterey in March, then January is your next best option. Flight prices from Ontario to Monterey during January average around $0.

What is the cheapest day to depart on your flight to Monterey?

The cheapest day to depart from Ontario to Monterey is on a Saturday. Travelers who choose to depart for Monterey on a Saturday will often find tickets for as low as $297. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Monterey for around $500.

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

According to our data, the cheapest time of day to fly to Monterey is in the evening. momondo users have found flights departing from Ontario to Monterey in the evening for as low as $308. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $376.

When to book flights from Ontario to Monterey

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

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

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

Best Price Found

$85

Fastest flight time

3h 02m

Direct flights

None
The best one-way flight to Monterey from Ontario in the past 72 hours is $85. The best round-trip flight deal from Ontario to Monterey found on momondo in the last 72 hours is $141.
The fastest flight from Ontario to Monterey takes 3h 02m
There are no direct flights from Ontario to Monterey. There are no popular flight routes from Ontario to Monterey.
Search flight deals

Frequently asked questions about flying from Ontario to Monterey

  • How far is Ontario to Monterey Regional by plane?

    There are 296.3 mi between Ontario and Monterey Regional. Flights usually cover this in 3h 02m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Ontario Airport to Monterey Regional Airport are updated daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Monterey Regional Airport.

  • What documentation or ID do you need to fly to Monterey Regional Airport?

    The travel and health documents you'll need for your trip to Monterey Regional Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Monterey Regional Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Ontario to Monterey?

Best airlines flying from Ontario to Monterey

Compare and see reviews for airlines that fly from Ontario to Monterey with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $264Free CancellationRating
7.3
10,451 reviews
Search United Airlines flights

Why use momondo?

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

Finding the right flight to Monterey from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Monterey quick and easy, saving you time and money.

Can I find flights from Ontario to Monterey with flexible booking policies on momondo?

momondo does allow users to show only those flights to Monterey from Ontario which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Ontario to Monterey flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Ontario to Monterey flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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