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Cheap flights from Ontario to San Francisco from $231

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to San Francisco departing on 9/26. 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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Find the cheapest flights from Ontario to San Francisco

Cheap round-trip flights

Logo
7:00 am - 9:20 pmYYZ-MRY
17h 20m1 stop
Logo
10:10 pm - 8:30 pmMRY-YYZ
19h 20m2 stops
$372
Find Deal
Fri, Oct 3 - Fri, Oct 10
Logo
12:30 am - 9:20 pmYYZ-MRY
23h 50m2 stops
Logo
10:10 pm - 7:16 pmMRY-YYZ
18h 06m2 stops
$388
Find Deal
Thu, Oct 2 - Fri, Oct 10
Alaska Airlines Logo
4:45 pm - 7:15 pmYYZ-MRY
29h 30m1 stop
Alaska Airlines Logo
7:57 pm - 3:00 pmMRY-YYZ
16h 03m1 stop
$489Alaska Airlines
Find Deal
Fri, Oct 3 - Fri, Oct 10
American Airlines Logo
6:30 am - 6:39 pmYYZ-MRY
15h 09m2 stops
American Airlines Logo
4:07 pm - 10:59 amMRY-YYZ
15h 52m2 stops
$549American Airlines
Find Deal
Fri, Oct 3 - Fri, Oct 10

United Airlines flights from Region of Ontario to Monterey

Our best United Airlines deals on Region of Ontario to Monterey flight tickets
United Airlines
Aug 17
YYZ8:40 amToronto Pearson Intl
15h 26m
1 stop
MRY9:06 pmMonterey Regional
Aug 30
MRY10:26 amMonterey Regional
23h 32m
2 stops
YYZ12:58 pmToronto Pearson Intl
$703
Find similar
United Airlines
Aug 17
YYZ8:40 amToronto Pearson Intl
15h 26m
1 stop
MRY9:06 pmMonterey Regional
Aug 31
MRY5:30 amMonterey Regional
14h 40m
2 stops
YYZ11:10 pmToronto Pearson Intl
$823
Find similar
United Airlines
Aug 17
YYZ8:40 amToronto Pearson Intl
15h 26m
1 stop
MRY9:06 pmMonterey Regional
Aug 30
MRY5:15 amMonterey Regional
14h 33m
1 stop
YYZ10:48 pmToronto Pearson Intl
$857
Find similar

American Airlines flights from Region of Ontario to Monterey

Our best American Airlines deals on Region of Ontario to Monterey flight tickets
American Airlines
Oct 3
YYZ6:30 amToronto Pearson Intl
15h 09m
2 stops
MRY6:39 pmMonterey Regional
Oct 10
MRY4:07 pmMonterey Regional
15h 52m
2 stops
YYZ10:59 amToronto Pearson Intl
$549
Find similar
American Airlines
Aug 18
YYZ3:45 pmToronto Pearson Intl
22h 44m
2 stops
MRY11:29 amMonterey Regional
Aug 31
MRY12:19 pmMonterey Regional
20h 32m
2 stops
YYZ11:51 amToronto Pearson Intl
$828
Find similar
American Airlines
Aug 18
YYZ5:19 pmToronto Pearson Intl
21h 10m
1 stop
MRY11:29 amMonterey Regional
Aug 31
MRY12:19 pmMonterey Regional
21h 11m
1 stop
YYZ12:30 pmToronto Pearson Intl
$836
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to Monterey 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 August 12, 2025.
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

TorontoMonterey

YYZ - MRY

YYZMRY

Toronto Pearson Intl

Fri 10/3

7:00 am-9:20 pm

1 stop17h 20m

Monterey Regional

Fri 10/10

10:10 pm-8:30 pm

2 stops19h 20m

$372

TorontoMonterey

YYZ - MRY

YYZMRY

Toronto Pearson Intl

Thu 10/2

12:30 am-9:20 pm

2 stops23h 50m

Monterey Regional

Fri 10/10

10:10 pm-7:16 pm

2 stops18h 06m

$388

TorontoMonterey

YYZ - MRY

YYZMRY

Toronto Pearson Intl

Fri 10/3

4:45 pm-7:15 pm

1 stop29h 30m

Monterey Regional

Fri 10/10

7:57 pm-3:00 pm

1 stop16h 03m

$489

TorontoMonterey

YYZ - MRY

YYZMRY

Toronto Pearson Intl

Fri 10/3

6:30 am-6:39 pm

2 stops15h 09m

Monterey Regional

Fri 10/10

4:07 pm-10:59 am

2 stops15h 52m

$549

TorontoMonterey

YYZ - MRY

YYZMRY

Toronto Pearson Intl

Fri 9/26

10:40 am-9:04 pm

2 stops13h 24m

$231

MontrealMonterey

YUL - MRY

YULMRY

Montreal Pierre Elliott Trudeau Intl

Thu 9/25

6:45 am-9:04 pm

3 stops41h 19m

$252

TorontoMonterey

YYZ - MRY

YYZMRY

Toronto Pearson Intl

Fri 9/26

9:45 am-9:04 pm

1 stop14h 19m

$268

MontrealMonterey

YUL - MRY

YULMRY

Montreal Pierre Elliott Trudeau Intl

Thu 9/25

6:35 pm-9:04 pm

2 stops29h 29m

$296

TorontoMonterey

YYZ - MRY

YYZMRY

Toronto Pearson Intl

Wed 9/10

4:45 pm-8:47 pm

2 stops31h 02m

$361

TorontoMonterey

YYZ - MRY

YYZMRY

Toronto Pearson Intl

Wed 9/24

11:00 am-9:07 pm

2 stops13h 07m

$364

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Region of 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 airline that flies from Ontario to Monterey Regional?

Alaska Airlines and United Airlines are the most popular carriers operating from Ontario to Monterey Regional

What airlines fly to Monterey?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Monterey from Region of Ontario according to our data. Air Canada is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Monterey. Keep in mind that there are 6 different airlines that fly to Monterey on a routine basis, so you have a few additional options to choose from.

Cheap Region of Ontario to Monterey flight deals and tips

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

Best Price Found

$231

Fastest flight time

10h 43m

Direct flights

None

Airports in Monterey

1 airport
The best one-way flight to Monterey from Region of Ontario in the past 72 hours is $231. The best round-trip flight deal from Region of Ontario to Monterey found on momondo in the last 72 hours is $372.
The fastest flight from Region of Ontario to Monterey takes 10h 43m
There are no direct flights from Region of Ontario to Monterey. Popular non-direct routes for this connection are Toronto Pearson Intl Airport - Monterey Regional Airport and Montreal Pierre Elliott Trudeau Intl Airport - Monterey Regional Airport.
There is 1 airport near Monterey: Monterey Regional (MRY)
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  • When did momondo last update prices for flights from Ontario to Monterey Regional Airport?

    Prices for flights from Ontario to Monterey Regional Airport were last updated today.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario to Monterey Regional Airport.

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

    The necessary travel and health documents for your Monterey Regional 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.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Monterey for you.

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

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

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?

If you are simply researching potential flights to Monterey, momondo offers a useful price alert feature which will track prices for flights to Monterey from Ontario and alert you when they change.

An easier way to manage your Monterey trip

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