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Cheap flights from Monterey to Ontario (MRY - ONT) from $243

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
MRY — ONT
Jun 2 — Jun 91
From?
To?
Sun 6/2
Sun 6/9
1 adult, Economy
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Cheap flight deals from Monterey to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Monterey (MRY) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 28, 2024.

Round-trip from

$238
From Monterey Regional to Ontario
Search Deals

What is the cheapest day to fly round-trip from Monterey to Ontario?

Friday flights are generally found to be more expensive for flights from Monterey to Ontario. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Ontario.

How far in advance should I book a flight from Monterey to Ontario?

Find a great deal and save up to 55% by booking at least 30 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Monterey to Ontario within the next two weeks, with the cheapest ticket starting at $139.

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

Flights from Monterey to Ontario lean towards being more expensive in November. Prices are generally better when you fly from Monterey to Ontario in April, with the cheapest ticket starting at $44.

When is the cheapest time to fly from Monterey to Ontario (MRY - ONT)?

It’s typically best to fly out from Monterey to Ontario at noon. Doing so could potentially save you 31% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap Alaska Airlines flights from Monterey to Ontario

Explore cheap flight options specifically provided by Alaska Airlines for the route between Monterey and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Take a peek at the cheapest Alaska Airlines flights we've detected traveling from Monterey to Ontario. Come back soon if you're not finding the exact deal you're looking for.
Fri 9/61:37 pmMRY - ONT
1 stop19h 38mAlaska Airlines
Fri 9/137:33 pmONT - MRY
2 stops17h 22mAlaska Airlines
Deal found 5/27$427
Fri 9/61:37 pmMRY - ONT
1 stop19h 38mAlaska Airlines
Fri 9/138:49 pmONT - MRY
1 stop16h 06mAlaska Airlines
Deal found 5/27$442
Fri 9/66:00 amMRY - ONT
2 stops17h 59mAlaska Airlines
Fri 9/137:33 pmONT - MRY
2 stops17h 22mAlaska Airlines
Deal found 5/27$452
Thu 6/202:03 pmMRY - ONT
1 stop19h 02mAlaska Airlines
Mon 6/246:00 amONT - MRY
1 stop7h 26mAlaska Airlines
Deal found 5/26$622
Thu 8/12:03 pmMRY - ONT
1 stop9h 56mAlaska Airlines
Mon 8/58:20 pmONT - MRY
2 stops18h 23mAlaska Airlines
Deal found 5/26$677
Mon 7/83:23 pmMRY - ONT
2 stops17h 42mAlaska Airlines
Mon 7/158:20 pmONT - MRY
2 stops18h 23mAlaska Airlines
Deal found 5/27$698
Thu 6/136:00 amMRY - ONT
2 stops9h 29mAlaska Airlines
Sat 6/158:20 pmONT - MRY
2 stops18h 23mAlaska Airlines
Deal found 5/27$858
Thu 6/202:03 pmMRY - ONT
1 stop19h 02mAlaska Airlines
Mon 6/246:00 amONT - MRY
1 stop7h 26mAlaska Airlines
Deal found 5/27$870
Tue 6/42:10 pmMRY - ONT
1 stop9h 48mAlaska Airlines
Fri 6/76:00 amONT - MRY
1 stop7h 18mAlaska Airlines
Deal found 5/27$992

Cheap United Airlines flights from Monterey to Ontario

Explore cheap flight options specifically provided by United Airlines for the route between Monterey and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Some of the best deals we've found on United Airlines flights traveling from Monterey to Ontario. Deals are refreshing constantly so come back soon for more options.
Thu 8/155:10 amMRY - ONT
1 stop7h 23mUnited Airlines
Mon 8/266:45 pmONT - MRY
1 stop4h 59mUnited Airlines
Deal found 5/27$278
Thu 8/157:45 amMRY - ONT
1 stop4h 30mUnited Airlines
Mon 8/261:35 pmONT - MRY
2 stops10h 09mUnited Airlines
Deal found 5/27$283
Tue 6/256:05 amMRY - ONT
1 stop6h 40mUnited Airlines
Tue 7/26:35 pmONT - MRY
1 stop5h 11mUnited Airlines
Deal found 5/27$342
Thu 8/87:45 amMRY - ONT
1 stop4h 30mUnited Airlines
Sun 8/116:20 amONT - MRY
1 stop17h 26mUnited Airlines
Deal found 5/28$358
Thu 8/17:45 amMRY - ONT
1 stop4h 30mUnited Airlines
Mon 8/51:30 pmONT - MRY
1 stop10h 16mUnited Airlines
Deal found 5/26$373
Thu 7/257:45 amMRY - ONT
1 stop4h 30mUnited Airlines
Fri 7/266:25 pmONT - MRY
1 stop18h 52mUnited Airlines
Deal found 5/27$477
Fri 7/57:45 amMRY - ONT
1 stop4h 23mUnited Airlines
Mon 7/86:35 pmONT - MRY
1 stop5h 11mUnited Airlines
Deal found 5/28$486
Thu 6/136:05 amMRY - ONT
1 stop6h 40mUnited Airlines
Sat 6/156:03 amONT - MRY
1 stop17h 41mUnited Airlines
Deal found 5/27$512
Thu 6/136:05 amMRY - ONT
1 stop6h 40mUnited Airlines
Sat 6/155:15 amONT - MRY
2 stops18h 29mUnited Airlines
Deal found 5/27$571

Cheap Monterey to Ontario flights in May & June 2024

Find cheap flight options from Monterey to Ontario specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Prices were last updated on May 28, 2024.
Listed are some of the best fares we've found on flights departing from Monterey to Ontario in 2024. For more flight deals, be sure to check back very soon.
Fri 5/315:05 amMRY - ONT
1 stop7h 28mUnited Airlines
Sun 6/25:15 amONT - MRY
1 stop7h 48mUnited Airlines
Deal found 5/28$298
Tue 6/256:05 amMRY - ONT
1 stop6h 40mUnited Airlines
Tue 7/26:35 pmONT - MRY
1 stop5h 11mUnited Airlines
Deal found 5/27$342
Sat 6/15:05 amMRY - ONT
1 stop7h 28mUnited Airlines
Sun 6/25:50 amONT - MRY
1 stop17h 54mUnited Airlines
Deal found 5/27$478
Thu 6/136:05 amMRY - ONT
1 stop6h 40mUnited Airlines
Sat 6/156:03 amONT - MRY
1 stop17h 41mUnited Airlines
Deal found 5/27$512
Thu 6/136:05 amMRY - ONT
1 stop6h 40mUnited Airlines
Sat 6/155:15 amONT - MRY
2 stops18h 29mUnited Airlines
Deal found 5/27$571
Wed 5/2912:30 pmMRY - ONT
1 stop8h 18mUnited Airlines
Mon 6/36:20 amONT - MRY
1 stop17h 24mUnited Airlines
Deal found 5/27$578
Thu 5/306:05 amMRY - ONT
1 stop16h 24mUnited Airlines
Mon 6/36:20 amONT - MRY
1 stop17h 24mUnited Airlines
Deal found 5/27$582
Thu 6/202:03 pmMRY - ONT
1 stop19h 02mAlaska Airlines
Mon 6/246:00 amONT - MRY
1 stop7h 26mAlaska Airlines
Deal found 5/26$622
Thu 5/306:05 amMRY - ONT
1 stop6h 40mUnited Airlines
Sun 6/25:50 amONT - MRY
1 stop17h 54mUnited Airlines
Deal found 5/27$657

Monterey to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Monterey and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Listed are some of the best fares we've found on flights departing from Monterey to Ontario in 2024. For more flight deals, be sure to check back very soon.
Thu 8/155:10 amMRY - ONT
1 stop7h 23mUnited Airlines
Mon 8/266:45 pmONT - MRY
1 stop4h 59mUnited Airlines
Deal found 5/27$278
Thu 8/157:45 amMRY - ONT
1 stop4h 30mUnited Airlines
Mon 8/261:35 pmONT - MRY
2 stops10h 09mUnited Airlines
Deal found 5/27$283
Fri 5/315:05 amMRY - ONT
1 stop7h 28mUnited Airlines
Sun 6/25:15 amONT - MRY
1 stop7h 48mUnited Airlines
Deal found 5/28$298
Tue 6/256:05 amMRY - ONT
1 stop6h 40mUnited Airlines
Tue 7/26:35 pmONT - MRY
1 stop5h 11mUnited Airlines
Deal found 5/27$342
Thu 8/17:45 amMRY - ONT
1 stop4h 30mUnited Airlines
Mon 8/51:30 pmONT - MRY
1 stop10h 16mUnited Airlines
Deal found 5/26$373
Fri 9/61:37 pmMRY - ONT
1 stop19h 38mAlaska Airlines
Fri 9/137:33 pmONT - MRY
2 stops17h 22mAlaska Airlines
Deal found 5/27$427
Fri 9/61:37 pmMRY - ONT
1 stop19h 38mAlaska Airlines
Fri 9/138:49 pmONT - MRY
1 stop16h 06mAlaska Airlines
Deal found 5/27$442
Fri 9/66:00 amMRY - ONT
2 stops17h 59mAlaska Airlines
Fri 9/137:33 pmONT - MRY
2 stops17h 22mAlaska Airlines
Deal found 5/27$452
Thu 7/257:45 amMRY - ONT
1 stop4h 30mUnited Airlines
Fri 7/266:25 pmONT - MRY
1 stop18h 52mUnited Airlines
Deal found 5/27$477

Monterey to Ontario flights leaving soon

Find last-minute flight options from Monterey to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Check out these flights departing soon from Monterey to Ontario. Users should be sure to double check the price, date, and time of their last-minute flight.
Fri 6/76:05 amMRY - ONT
1 stop18h 04mUnited Airlines
Sun 6/95:50 amONT - MRY
1 stop17h 54mUnited Airlines
Deal found 5/27$713
Mon 6/35:05 amMRY - ONT
1 stop7h 28mUnited Airlines
Thu 6/61:29 pmONT - MRY
1 stop7h 32mUnited Airlines
Deal found 5/27$862
Mon 6/312:30 pmMRY - ONT
2 stops9h 57mUnited Airlines
Thu 6/65:15 amONT - MRY
1 stop7h 48mUnited Airlines
Deal found 5/27$867
Mon 6/312:30 pmMRY - ONT
2 stops9h 57mUnited Airlines
Thu 6/61:29 pmONT - MRY
2 stops10h 15mUnited Airlines
Deal found 5/27$872
Sun 6/212:30 pmMRY - ONT
1 stop8h 18mUnited Airlines
Mon 6/31:29 pmONT - MRY
1 stop7h 32mUnited Airlines
Deal found 5/27$964
Sun 6/26:05 amMRY - ONT
2 stops11h 23mUnited Airlines
Mon 6/31:29 pmONT - MRY
1 stop7h 32mUnited Airlines
Deal found 5/27$969
Tue 6/42:10 pmMRY - ONT
1 stop9h 48mAlaska Airlines
Fri 6/76:00 amONT - MRY
1 stop7h 18mAlaska Airlines
Deal found 5/27$992
Sun 6/26:05 amMRY - ONT
2 stops11h 23mUnited Airlines
Mon 6/36:20 amONT - MRY
2 stops14h 41mUnited Airlines
Deal found 5/27$1,037
Mon 6/36:12 amMRY - ONT
1 stop5h 35mAmerican Airlines
Fri 6/76:30 amONT - MRY
1 stop5h 59mAmerican Airlines
Deal found 5/27$1,201

One-way flights to Ontario from Monterey

Search for one-way flight options from Monterey to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
Take a look at some of the best available options we've come across on one-way flights from Monterey to Ontario. Those needing a return flight from Monterey to Ontario can use the search form above.
Sun 7/77:45 amMRY - ONT
1 stop4h 23mUnited Airlines
Deal found 5/28$243
Mon 10/282:38 pmMRY - ONT
2 stops9h 21mAlaska Airlines
Deal found 5/28$246
Wed 6/192:03 pmMRY - ONT
1 stop9h 56mAlaska Airlines
Deal found 5/26$267
Thu 10/246:00 amMRY - ONT
2 stops13h 01mAlaska Airlines
Deal found 5/28$282
Mon 7/83:23 pmMRY - ONT
2 stops17h 42mAlaska Airlines
Deal found 5/27$298
Mon 7/82:03 pmMRY - ONT
1 stop9h 56mAlaska Airlines
Deal found 5/27$322
Thu 10/245:00 amMRY - ONT
1 stop7h 32mUnited Airlines
Deal found 5/28$324
Wed 6/196:00 amMRY - ONT
2 stops17h 59mAlaska Airlines
Deal found 5/26$325
Sun 8/46:00 amMRY - ONT
2 stops17h 59mAlaska Airlines
Deal found 5/27$328

Find flights from Monterey to Ontario within your budget

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, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$278 - $955

Route

Depart

Return

Price

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Thu 8/15

1 stop7h 23m

Ontario

Mon 8/26

1 stop4h 59m

$278

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Thu 8/15

1 stop4h 30m

Ontario

Mon 8/26

2 stops10h 09m

$283

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Tue 6/25

1 stop6h 40m

Ontario

Tue 7/2

1 stop5h 11m

$342

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Thu 8/8

1 stop4h 30m

Ontario

Sun 8/11

1 stop17h 26m

$358

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Thu 8/1

1 stop4h 30m

Ontario

Mon 8/5

1 stop10h 16m

$373

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Fri 9/6

1 stop19h 38m

Ontario

Fri 9/13

2 stops17h 22m

$427

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Fri 9/6

1 stop19h 38m

Ontario

Fri 9/13

1 stop16h 06m

$442

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Fri 9/6

2 stops17h 59m

Ontario

Fri 9/13

2 stops17h 22m

$452

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Wed 6/12

1 stop5h 38m

Ontario

Tue 7/23

1 stop6h 00m

$955

Flights are sorted by cheapest first

Deals found on 5/27

No data available for this route at this time. Please check back soon.

Best time to book a flight from Monterey to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Monterey with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average temperature and rainfall totals by month.

LAX

Temperature

57.2 - 73.4 °F

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated May 28, 2024.
Read through reviews of airlines operating flights from Monterey to Ontario, such as Alaska Airlines, United Airlines and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.3

Overall

8.1

Comfort

7.9

Entertainment

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,194 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.3

Overall

8.1

Comfort

7.9

Entertainment

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

United Airlines
7.4
Good
10,799 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.3

Overall

8.1

Comfort

7.9

Entertainment

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

American Airlines
7.3
Good
14,316 reviews
Alaska Airlines
8.1
Very good
9,194 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.3

Overall

8.1

Comfort

7.9

Entertainment

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Related info for your journey

Find useful and relevant information for your journey from Monterey to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Monterey to Ontario for under $300 on Cheapflights?

    Yes, there are multiple flights from Monterey to Ontario for under $300. The cheapest flight booked recently is on United Airlines for just $278, but on average you can expect to pay $533.

  • Are there last-minute flights available from Monterey to Ontario for under $800?

    There are currently 9+ open flights from Monterey to Ontario within the next 7 days for less than $800.

  • What are the cheapest airlines flying from Monterey to Ontario round-trip?

    United Airlines, at $278, was found to be the cheapest airline from Monterey to Ontario.Alternate airlines to your destination round-trip include Alaska Airlines and American Airlines.

  • What does MRY to ONT mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Monterey Regional Airport to Ontario Airport flight would often be abbreviated as a MRY to ONT flight.

  • Can I find deals for flights from Monterey to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Monterey to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Monterey to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Monterey to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Monterey to Ontario that include hotel bookings?

    Yes. In addition to deals on Monterey to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Monterey to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Monterey to Ontario.

  • Can I find deals for business class flights from Monterey to Ontario?

    Yes. Cheapflights offers flight deals from Monterey to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Monterey to Ontario that allow pets onboard?

    Many airlines flying from Monterey to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Monterey to Ontario?

    Yes, you can often find last-minute deals on Monterey to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Monterey to Ontario flight deals updated?

    The Monterey to Ontario flight deals you see on this page were last updated on 5/28.

  • When is the best time to book a flight from Monterey to Ontario?

    Currently, October is the cheapest month in which you can book a flight from Monterey to Ontario (average of $238). Flying from Monterey to Ontario in June is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Monterey to Ontario
See prices for flight routes from nearby airports that may be better suited for you.

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Top airline flying from Monterey to Ontario

Discover the top airline that operate flights from Monterey to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,740,132 searches. Data last updated May 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$243Average$397FlexibilityNo cancel feeOn-time69%
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Search flights from Monterey to Ontario by cabin class

Find flights from Monterey to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Monterey to Ontario?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ontario from Monterey today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Monterey to Ontario?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Monterey to Ontario for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Monterey to Ontario with no change fees?

Yes! Cheapflights helps users easily find flights from Monterey to Ontario with no change fees.

Can Cheapflights notify me if prices for flights from Monterey to Ontario become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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