Which airports can I use when flying from Monterey to Ontario?

Flights from Monterey to Ontario usually depart from Monterey Regional (MRY) and arrive at Ontario (ONT).

What cabin classes can I book on flights from Monterey to Ontario?

Only Economy Class is available on flights from Monterey to Ontario.

Which airports do connecting flights from Monterey to Ontario pass through?

Connecting flights from Monterey to Ontario most commonly pass through: • San Francisco (SFO) - 92% of one-stop connections • Las Vegas Harry Reid Intl (LAS) - 8% of one-stop connections

Can I save money by using flexible dates for flights from Monterey to Ontario?

Yes. Flexible dates can save you up to 45% on flights from Monterey to Ontario. Wednesday is the cheapest departure day at $298 round-trip on average, while Friday is the most expensive at $534, a difference of $236. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Ontario?

Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

How long is a flight from Monterey to Ontario?

There are currently no nonstop flights available from Monterey to Ontario. Flights with 1 layover take between 3h 56m and 15h 19m in total, depending on the connection.

Do I need a passport to fly from Monterey to Ontario?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Have flight prices from Monterey to Ontario changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $309 to $1,227. That means the highest observed fare was about 4x higher than the lowest one.

How are flight prices from Monterey to Ontario looking right now?

One-way fares from Monterey to Ontario are currently lower than usual. Average one-way flight prices are about $256, which is 17% below the typical average for this route.

How much time can I save by choosing a different layover airport from Monterey to Ontario?

Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time at 3h 56m, compared with 15h 19m via Las Vegas Harry Reid Intl (LAS).

What car rental options are available at Ontario Airport (ONT)?

Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include: • Fox • Thrifty • Europcar • Dollar • Alamo

How much should I expect to pay for a Monterey to Ontario flight?

Round-trip flights from Monterey to Ontario range from $298 to $368, with an average of $298 over the past 12 months. Anything below $298 counts as a good deal.

How much is a round-trip flight from Monterey to Ontario?

Round-trip flights from Monterey to Ontario typically range from $298 to $368. The lowest price found in the past 5 days was $309, on United Airlines.

Which airline is the cheapest to fly from Monterey to Ontario?

United Airlines ($309) and Alaska Airlines ($429) are the cheapest airlines to fly round-trip from Monterey to Ontario according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from Monterey to Ontario?

San Francisco (SFO) is the most popular layover for the Monterey to Ontario route. 92% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via SFO.

What is the cheapest layover airport when flying from Monterey to Ontario?

Flights via San Francisco (SFO) offer the most affordable fares, with an average round-trip price of $335. Based on KAYAK data over the past 3 months.

When flying from Monterey to Ontario which airport offers the shortest layover?

San Francisco (SFO) had the shortest average connection time for Monterey to Ontario layovers at 2h 45m over the past 3 months.

$131 CHEAP FLIGHTS from Monterey to Ontario (MRY - ONT)

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Cheapest round-trip

$309

Typical prices: $298-$368

United Airlines

Mon 11/19Wed 11/21

MRY - ONT • 1 stop

Cheapest one-way

$131

Typical prices: $258-$418

Multiple Airlines

Fri 10/26

MRY - ONT • 1 stop

Top layover airports

San Francisco (SFO)

Cheapest • Avg $335 (round-trip)

Las Vegas Harry Reid Intl (LAS)

Shortest trip • 15h 19m (one-way)

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Flight Deals

Cheap Flights from Monterey to Ontario (MRY-ONT)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Monterey to Ontario

Thu, Nov 19 - Sat, Nov 21

6:30 am - 12:29 pmMRY Monterey Regional-ONT Ontario

5h 59m1 stop San Francisco

4:17 pm - 9:34 pmONT Ontario-MRY Monterey Regional

5h 17m1 stop San Francisco

$309United Airlines

Sat, Oct 24 - Thu, Oct 29

11:59 am - 5:46 pmMRY Monterey Regional-ONT Ontario

5h 47m1 stop San Francisco

6:00 am - 10:55 amONT Ontario-MRY Monterey Regional

4h 55m1 stop San Francisco

$324United Airlines

Fri, Oct 23 - Tue, Oct 27

6:55 pm - 10:51 pmMRY Monterey Regional-ONT Ontario

3h 56m1 stop San Francisco

1:35 pm - 5:18 pmONT Ontario-MRY Monterey Regional

3h 43m1 stop San Francisco

$339United Airlines

Tue, Oct 20 - Sat, Oct 24

11:59 am - 3:22 pmMRY Monterey Regional-ONT Ontario

3h 23m1 stop San Francisco

8:03 am - 1:06 pmONT Ontario-MRY Monterey Regional

5h 03m1 stop San Francisco

$389United Airlines

Sat, Nov 7 - Sun, Nov 8

2:25 pm - 6:01 pmMRY Monterey Regional-ONT Ontario

3h 36m1 stop San Francisco

6:00 am - 10:55 amONT Ontario-MRY Monterey Regional

4h 55m1 stop San Francisco

$398United Airlines

Thu, Nov 5 - Sun, Nov 8

8:20 am - 12:29 pmMRY Monterey Regional-ONT Ontario

4h 09m1 stop San Francisco

6:00 am - 10:55 amONT Ontario-MRY Monterey Regional

4h 55m1 stop San Francisco

$398United Airlines

Thu, Nov 5 - Sat, Nov 7

2:25 pm - 5:56 pmMRY Monterey Regional-ONT Ontario

3h 31m1 stop San Francisco

9:25 am - 12:59 pmONT Ontario-MRY Monterey Regional

3h 34m1 stop San Francisco

$399United Airlines

Fri, Nov 13 - Sun, Nov 15

12:19 pm - 5:56 pmMRY Monterey Regional-ONT Ontario

5h 37m1 stop San Francisco

6:00 am - 10:55 amONT Ontario-MRY Monterey Regional

4h 55m1 stop San Francisco

$399United Airlines

Thu, Nov 12 - Tue, Nov 17

6:00 am - 11:06 pmMRY Monterey Regional-ONT Ontario

17h 06m2 stops San Diego Seattle/Tacoma Intl

6:00 am - 10:31 pmONT Ontario-MRY Monterey Regional

16h 31m2 stops Seattle/Tacoma Intl San Diego

$429Alaska Airlines

Thu, Nov 12 - Tue, Nov 17

4:51 pm - 11:06 pmMRY Monterey Regional-ONT Ontario

6h 15m1 stop Seattle/Tacoma Intl

6:00 am - 10:31 pmONT Ontario-MRY Monterey Regional

16h 31m2 stops Seattle/Tacoma Intl San Diego

$441Alaska Airlines

Recent last minute flight deals from Monterey to Ontario

Sun, Oct 11 - Thu, Jul 8

8:30 am - 12:18 pmMRY Monterey Regional-ONT Ontario

3h 48m1 stop San Francisco

6:00 am - 9:19 amONT Ontario-MRY Monterey Regional

3h 19m1 stop San Francisco

$434United Airlines

Thu, Oct 15 - Sat, Oct 17

11:59 am - 3:22 pmMRY Monterey Regional-ONT Ontario

3h 23m1 stop San Francisco

8:03 am - 11:18 amONT Ontario-MRY Monterey Regional

3h 15m1 stop San Francisco

$449United Airlines

Thu, Oct 15 - Mon, Oct 19

8:30 am - 12:18 pmMRY Monterey Regional-ONT Ontario

3h 48m1 stop San Francisco

1:52 pm - 6:20 pmONT Ontario-MRY Monterey Regional

4h 28m1 stop San Francisco

$449United Airlines

Thu, Oct 15 - Sun, Oct 18

7:05 pm - 10:51 pmMRY Monterey Regional-ONT Ontario

3h 46m1 stop San Francisco

1:52 pm - 6:20 pmONT Ontario-MRY Monterey Regional

4h 28m1 stop San Francisco

$449United Airlines

Sat, Oct 10 - Sun, Oct 11

11:59 am - 3:22 pmMRY Monterey Regional-ONT Ontario

3h 23m1 stop San Francisco

1:24 pm - 9:05 pmONT Ontario-MRY Monterey Regional

7h 41m1 stop Denver Intl

$469United Airlines

Sat, Oct 10 - Mon, Oct 12

2:27 pm - 5:46 pmMRY Monterey Regional-ONT Ontario

3h 19m1 stop San Francisco

9:25 am - 2:56 pmONT Ontario-MRY Monterey Regional

5h 31m1 stop San Francisco

$504United Airlines

Thu, Oct 15 - Thu, Oct 15

5:10 am - 12:46 pmMRY Monterey Regional-ONT Ontario

7h 36m1 stop Denver Intl

4:03 pm - 9:50 pmONT Ontario-MRY Monterey Regional

5h 47m1 stop San Francisco

$711United Airlines

Thu, Oct 15 - Thu, Oct 15

8:30 am - 12:18 pmMRY Monterey Regional-ONT Ontario

3h 48m1 stop San Francisco

4:03 pm - 9:50 pmONT Ontario-MRY Monterey Regional

5h 47m1 stop San Francisco

$711United Airlines

Sun, Oct 11 - Thu, Jul 8

5:28 pm - 11:42 pmMRY Monterey Regional-ONT Ontario

6h 14m1 stop Seattle/Tacoma Intl

7:00 am - 6:09 pmONT Ontario-MRY Monterey Regional

11h 09m2 stops Portland Seattle/Tacoma Intl

$1,187Alaska Airlines

Thu, Oct 15 - Sat, Oct 17

5:28 pm - 10:17 amMRY Monterey Regional-ONT Ontario

16h 49m1 stop Seattle/Tacoma Intl

7:25 am - 4:51 pmONT Ontario-MRY Monterey Regional

9h 26m2 stops Portland Seattle/Tacoma Intl

$1,189Alaska Airlines

Booking Insights

Price, demand and travel trends for Monterey to Ontario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Monterey to Ontario? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Monterey to Ontario departing in november.

Find deals

Cheapest flight	$131

One-way flight from Monterey to Ontario

When to book flights from Monterey to Ontario

Are your dates flexible? Find out the best times to travel from Monterey to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Monterey to Ontario?
Only Economy Class is available on flights from Monterey to Ontario.
How long is a flight from Monterey to Ontario?
There are currently no nonstop flights available from Monterey to Ontario. Flights with 1 layover take between 3h 56m and 15h 19m in total, depending on the connection.
Do I need a passport to fly from Monterey to Ontario?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.
How much should I expect to pay for a Monterey to Ontario flight?
Round-trip flights from Monterey to Ontario range from $298 to $368, with an average of $298 over the past 12 months. Anything below $298 counts as a good deal.
Have flight prices from Monterey to Ontario changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $309 to $1,227. That means the highest observed fare was about 4x higher than the lowest one.
How are flight prices from Monterey to Ontario looking right now?
One-way fares from Monterey to Ontario are currently lower than usual. Average one-way flight prices are about $256, which is 17% below the typical average for this route.
What car rental options are available at Ontario Airport (ONT)?
Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:

• Fox
• Thrifty
• Europcar
• Dollar
• Alamo
Which airports can I use when flying from Monterey to Ontario?
Flights from Monterey to Ontario usually depart from Monterey Regional (MRY) and arrive at Ontario (ONT).
Which airports do connecting flights from Monterey to Ontario pass through?
Connecting flights from Monterey to Ontario most commonly pass through:

• San Francisco (SFO) - 92% of one-stop connections
• Las Vegas Harry Reid Intl (LAS) - 8% of one-stop connections
Can I save money by using flexible dates for flights from Monterey to Ontario?
Yes. Flexible dates can save you up to 45% on flights from Monterey to Ontario. Wednesday is the cheapest departure day at $298 round-trip on average, while Friday is the most expensive at $534, a difference of $236.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different layover airport from Monterey to Ontario?
Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time at 3h 56m, compared with 15h 19m via Las Vegas Harry Reid Intl (LAS).
What popular places can I visit in Ontario?
Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

If your dates are flexible, aim for a Wednesday departure and avoid flying on Friday. On this route, Wednesday flights average $298, about $236 less than Friday fares (44% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.

• Azure Hotel & Suites, Trademark Collection by Wyndham
• La Quinta Inn & Suites by Wyndham Ontario Airport
• Ontario Airport Inn

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MRY - ONT

$131 Find Cheap Flights from Monterey to Ontario - Compare and Save

Everything you should know

Cheap Flights from Monterey to Ontario (MRY-ONT)

Recent round-trip flight deals from Monterey to Ontario

Recent one-way flight deals from Monterey to Ontario

Recent last minute flight deals from Monterey to Ontario

Price, demand and travel trends for Monterey to Ontario flights

How much is a round-trip flight from Monterey to Ontario?

Which airline is the cheapest to fly from Monterey to Ontario?

What’s the most popular layover airport when flying from Monterey to Ontario?

What is the cheapest layover airport when flying from Monterey to Ontario?

When flying from Monterey to Ontario which airport offers the shortest layover?

Key details for Monterey to Ontario flights

Cheapest flight

When to book flights from Monterey to Ontario

Your Monterey to Ontario flight questions, answered

Your guide to booking Monterey to Ontario flights

More options for your flight from Monterey to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Monterey to Ontario

Find direct flights to and from Monterey and Ontario

Flights from domestic origins to Ontario

Flights to other popular destinations

Find deals for your return flight