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

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

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

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

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

Connecting flights from Ontario to Monterey most commonly pass through: • San Francisco (SFO) - 96% of one-stop connections • Phoenix Sky Harbor Intl (PHX) - 4% of one-stop connections Together, these airports account for 100% of one-stop bookings on this route.

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

Yes. Being flexible with your travel dates can save you up to 74% on the Ontario to Monterey route. Friday is the cheapest departure day at $308 round-trip on average, while Saturday is the most expensive at $1,148, a difference of $840. 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 long is a flight from Ontario to Monterey?

There are currently no nonstop flights available from Ontario to Monterey. Flights with 1 layover take between 4h 02m and 6h 03m in total, depending on the connection.

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

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 Ontario to Monterey 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 $289 to $2,101. That means the highest observed fare was about 7x higher than the lowest one.

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

One-way fares from Ontario to Monterey are currently lower than usual. Average one-way flight prices are about $247, which is 23% below the typical average for this route.

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

Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time at 4h 02m, compared with 6h 03m via Phoenix Sky Harbor Intl (PHX).

What car rental options are available at Monterey Regional Airport (MRY)?

Monterey Regional Airport (MRY) hosts 5 major car rental companies, with daily rates starting from around $22 for economy cars. Top options include: · Budget · Hertz · Alamo · Avis · Enterprise Rent-A-Car

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

Round-trip flights from Ontario to Monterey range from $314 to $458, with an average of $398 over the past 12 months. Anything below $314 counts as a good deal.

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

United Airlines ($289) and Alaska Airlines ($549) are the cheapest airlines to fly round-trip from Ontario to Monterey according to KAYAK data over the last 5 days.

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

San Francisco (SFO) is the most popular layover for the Ontario to Monterey route. 96% 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 Ontario to Monterey?

Flights via San Francisco (SFO) offer the most affordable fares, with an average round-trip price of $437. Based on KAYAK data over the past 3 months.

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

San Francisco (SFO) had the shortest average connection time for Ontario to Monterey layovers at 171 minutes over the past 3 months.

$234 CHEAP FLIGHTS from Ontario to Monterey (ONT - MRY)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$289

Typical prices: $314-$458

United Airlines

Tue 9/18Thu 9/20

ONT - MRY • 1 stop

Cheapest one-way

$234

Typical prices: $209-$428

United Airlines

Thu 9/20

ONT - MRY • 1 stop

When to travel

November

Cheapest • 23% price drop

October

Most popular

Good to know

Top layover airports

San Francisco (SFO)

Cheapest • Avg $437 (round-trip)

Phoenix Sky Harbor Intl (PHX)

Shortest trip • 6h 03m (one-way)

Insights

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We hope you love your trip to Monterey!

Flight Deals

Cheap Flights from Ontario to Monterey (ONT-MRY)

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 Ontario to Monterey

Sat, Sep 19 - Sun, Sep 20

1:56 pm - 5:16 pmONT Ontario-MRY Monterey Regional

3h 20m1 stop San Francisco

3:36 pm - 8:01 pmMRY Monterey Regional-ONT Ontario

4h 25m1 stop San Francisco

$289United Airlines

Fri, Oct 16 - Sun, Oct 18

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

5h 47m1 stop San Francisco

3:31 pm - 8:31 pmMRY Monterey Regional-ONT Ontario

5h 00m1 stop San Francisco

$289United Airlines

Fri, Sep 18 - Sun, Sep 20

6:08 am - 10:15 amONT Ontario-MRY Monterey Regional

4h 07m1 stop San Francisco

3:36 pm - 8:01 pmMRY Monterey Regional-ONT Ontario

4h 25m1 stop San Francisco

$289United Airlines

Sat, Sep 12 - Sun, Sep 13

1:56 pm - 5:16 pmONT Ontario-MRY Monterey Regional

3h 20m1 stop San Francisco

6:45 pm - 10:51 pmMRY Monterey Regional-ONT Ontario

4h 06m1 stop San Francisco

$289United Airlines

Thu, Sep 10 - Sun, Sep 13

9:01 am - 3:01 pmONT Ontario-MRY Monterey Regional

6h 00m1 stop San Francisco

6:45 pm - 10:51 pmMRY Monterey Regional-ONT Ontario

4h 06m1 stop San Francisco

$304United Airlines

Sat, Sep 5 - Wed, Sep 9

11:00 am - 5:16 pmONT Ontario-MRY Monterey Regional

6h 16m1 stop San Francisco

3:38 pm - 8:01 pmMRY Monterey Regional-ONT Ontario

4h 23m1 stop San Francisco

$319United Airlines

Tue, Sep 8 - Sat, Sep 12

9:01 am - 1:06 pmONT Ontario-MRY Monterey Regional

4h 05m1 stop San Francisco

12:21 pm - 6:11 pmMRY Monterey Regional-ONT Ontario

5h 50m1 stop San Francisco

$319United Airlines

Fri, Sep 4 - Tue, Sep 8

6:08 am - 10:15 amONT Ontario-MRY Monterey Regional

4h 07m1 stop San Francisco

3:38 pm - 8:01 pmMRY Monterey Regional-ONT Ontario

4h 23m1 stop San Francisco

$319United Airlines

Wed, Nov 11 - Sat, Nov 14

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

16h 31m2 stops Seattle/Tacoma Intl San Diego

6:00 am - 6:17 pmMRY Monterey Regional-ONT Ontario

12h 17m2 stops San Diego Seattle/Tacoma Intl

$549Alaska Airlines

Thu, Sep 24 - Sat, Oct 3

4:27 pm - 11:59 pmONT Ontario-MRY Monterey Regional

7h 32m2 stops Santa Rosa Sonoma County San Diego

6:03 am - 5:05 pmMRY Monterey Regional-ONT Ontario

11h 02m2 stops San Diego Santa Rosa Sonoma County

$549Alaska Airlines

Recent last minute flight deals from Ontario to Monterey

Sat, Aug 29 - Mon, Aug 31

1:56 pm - 5:16 pmONT Ontario-MRY Monterey Regional

3h 20m1 stop San Francisco

12:15 pm - 6:11 pmMRY Monterey Regional-ONT Ontario

5h 56m1 stop San Francisco

$339United Airlines

Fri, Aug 28 - Sun, Aug 30

6:08 am - 10:15 amONT Ontario-MRY Monterey Regional

4h 07m1 stop San Francisco

6:45 pm - 10:59 pmMRY Monterey Regional-ONT Ontario

4h 14m1 stop San Francisco

$339United Airlines

Fri, Aug 28 - Sun, Aug 30

6:08 am - 10:15 amONT Ontario-MRY Monterey Regional

4h 07m1 stop San Francisco

6:45 pm - 10:59 pmMRY Monterey Regional-ONT Ontario

4h 14m1 stop San Francisco

$349United Airlines

Fri, Aug 28 - Sun, Aug 30

6:08 am - 10:15 amONT Ontario-MRY Monterey Regional

4h 07m1 stop San Francisco

6:45 pm - 10:59 pmMRY Monterey Regional-ONT Ontario

4h 14m1 stop San Francisco

$349United Airlines

Sat, Aug 29 - Sun, Aug 30

11:00 am - 3:01 pmONT Ontario-MRY Monterey Regional

4h 01m1 stop San Francisco

6:45 pm - 10:59 pmMRY Monterey Regional-ONT Ontario

4h 14m1 stop San Francisco

$409United Airlines

Sat, Aug 29 - Tue, Sep 8

11:00 am - 3:01 pmONT Ontario-MRY Monterey Regional

4h 01m1 stop San Francisco

3:38 pm - 8:01 pmMRY Monterey Regional-ONT Ontario

4h 23m1 stop San Francisco

$409United Airlines

Thu, Aug 27 - Mon, Aug 31

6:08 am - 10:15 amONT Ontario-MRY Monterey Regional

4h 07m1 stop San Francisco

3:36 pm - 8:01 pmMRY Monterey Regional-ONT Ontario

4h 25m1 stop San Francisco

$419United Airlines

Sat, Aug 29 - Sun, Aug 30

11:00 am - 3:01 pmONT Ontario-MRY Monterey Regional

4h 01m1 stop San Francisco

6:45 pm - 10:59 pmMRY Monterey Regional-ONT Ontario

4h 14m1 stop San Francisco

$419United Airlines

Sun, Aug 30 - Fri, Sep 4

12:00 pm - 11:59 pmONT Ontario-MRY Monterey Regional

11h 59m2 stops Seattle/Tacoma Intl San Diego

6:23 pm - 2:09 pmMRY Monterey Regional-ONT Ontario

19h 46m1 stop Seattle/Tacoma Intl

$1,057Alaska Airlines

Wed, Aug 26 - Fri, Aug 28

7:12 am - 5:46 pmONT Ontario-MRY Monterey Regional

10h 34m2 stops Portland Seattle/Tacoma Intl

6:23 pm - 11:04 amMRY Monterey Regional-ONT Ontario

16h 41m1 stop Seattle/Tacoma Intl

$1,110Alaska Airlines

Booking Insights

Price, demand and travel trends for Ontario to Monterey flights

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

Prices

Airlines

Layovers

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

Round-trip flights from Ontario to Monterey start at $289. Prices are below average for this route right now, with typical round-trip fares ranging from $314 to $458. The lowest price found in the past 5 days was $289 on United Airlines.

Find deals

Low season	May
High season	October
Cheapest flight	$234

Best time to beat the crowds with an average 20% drop in price.

Most popular time to fly with an average 13% increase in price.

Flight from Ontario to Monterey

When to book flights from Ontario to Monterey

Are your dates flexible? Find out the best times to travel from Ontario to Monterey 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.

Which airports can I use when flying from Ontario to Monterey?
Flights from Ontario to Monterey usually depart from Ontario (ONT) and arrive at Monterey Regional (MRY).
What cabin classes can I book on flights from Ontario to Monterey?
Only Economy Class is available on flights from Ontario to Monterey.
Which airports do connecting flights from Ontario to Monterey pass through?
Connecting flights from Ontario to Monterey most commonly pass through:

• San Francisco (SFO) - 96% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) - 4% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.
Can I save money by using flexible dates for flights from Ontario to Monterey?
Yes. Being flexible with your travel dates can save you up to 74% on the Ontario to Monterey route. Friday is the cheapest departure day at $308 round-trip on average, while Saturday is the most expensive at $1,148, a difference of $840. 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 long is a flight from Ontario to Monterey?
There are currently no nonstop flights available from Ontario to Monterey. Flights with 1 layover take between 4h 02m and 6h 03m in total, depending on the connection.
Do I need a passport to fly from Ontario to Monterey?
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 Ontario to Monterey 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 $289 to $2,101. That means the highest observed fare was about 7x higher than the lowest one.
How are flight prices from Ontario to Monterey looking right now?
One-way fares from Ontario to Monterey are currently lower than usual. Average one-way flight prices are about $247, which is 23% below the typical average for this route.
How much time can I save by choosing a different layover airport from Ontario to Monterey?
Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time at 4h 02m, compared with 6h 03m via Phoenix Sky Harbor Intl (PHX).
What car rental options are available at Monterey Regional Airport (MRY)?
Monterey Regional Airport (MRY) hosts 5 major car rental companies, with daily rates starting from around $22 for economy cars. Top options include:
· Budget
· Hertz
· Alamo
· Avis
· Enterprise Rent-A-Car
How much should I expect to pay for a Ontario to Monterey flight?
Round-trip flights from Ontario to Monterey range from $314 to $458, with an average of $398 over the past 12 months. Anything below $314 counts as a good deal.

If your dates can be flexible, aim for a Friday departure instead of Saturday. On this route, Friday flights average $308 - about $840 less than Saturday (73% savings) based on the last 12 months.
If you can choose when to travel, plan your Ontario to Monterey trip for November. Fares historically average $308 round-trip in that month - typically $840 less than the most expensive month, which is August (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Monterey Regional Airport.
- Monterey Beach Hotel, a Tribute Portfolio Hotel
- Travelodge by Wyndham Monterey Bay
- Bayside Inn

Everything you need to know for your flight from Ontario to Monterey

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Ontario (ONT)

Monterey (MRY)

ONT - MRY

$234 Find Cheap Flights from Ontario to Monterey - Compare and Save

Everything you should know

Cheap Flights from Ontario to Monterey (ONT-MRY)

Recent round-trip flight deals from Ontario to Monterey

Recent one-way flight deals from Ontario to Monterey

Recent last minute flight deals from Ontario to Monterey

Price, demand and travel trends for Ontario to Monterey flights

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

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

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

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

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

Key details for Ontario to Monterey flights

Low season

High season

Cheapest flight

When to book flights from Ontario to Monterey

Your Ontario to Monterey flight questions, answered

Your guide to booking Ontario to Monterey flights

Everything you need to know for your flight from Ontario to Monterey

Information on your arrival and departure airports

Cabin class types available on flights from Ontario to Monterey

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

Find direct flights to and from Ontario and Monterey

Flights to other popular destinations

Flights from domestic origins to Monterey

Choose which airport to fly into in Monterey

Find deals for your return flight