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Cheap flights from Monterey to Ontario (MRY - ONT) from $238

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 10/28. 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 15 — Jun 221
From?
To?
Sat 6/15
Sat 6/22
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 June 10, 2024.

Round-trip from

$238
From Monterey Regional to Ontario
Search Deals

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 36 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.

What is the cheapest time of day to fly from MRY to 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 Monterey to Ontario flights in June & July 2024

Find cheap flight options from Monterey to Ontario specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,020,828 searches. Prices were last updated on June 10, 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.
Mon 7/87:45 amMRY - ONT
1 stop4h 32mUnited Airlines
Mon 7/151:30 pmONT - MRY
1 stop10h 16mUnited Airlines
Deal found 6/8$358
Sat 6/297:06 amMRY - ONT
1 stop15h 39mUnited Airlines
Tue 7/26:35 pmONT - MRY
1 stop5h 11mUnited Airlines
Deal found 6/9$368
Sat 6/226:05 amMRY - ONT
1 stop6h 20mUnited Airlines
Mon 6/246:10 amONT - MRY
1 stop17h 34mUnited Airlines
Deal found 6/8$432
Sat 6/295:10 amMRY - ONT
2 stops17h 35mUnited Airlines
Tue 7/26:35 pmONT - MRY
1 stop5h 11mUnited Airlines
Deal found 6/9$437
Fri 7/127:45 amMRY - ONT
1 stop15h 00mUnited Airlines
Mon 7/151:30 pmONT - MRY
1 stop10h 16mUnited Airlines
Deal found 6/9$454
Sat 6/297:06 amMRY - ONT
1 stop15h 39mUnited Airlines
Tue 7/26:35 pmONT - MRY
1 stop5h 11mUnited Airlines
Deal found 6/8$462
Mon 7/87:45 amMRY - ONT
1 stop4h 32mUnited Airlines
Mon 7/155:10 amONT - MRY
2 stops18h 36mUnited Airlines
Deal found 6/8$482
Sun 7/147:45 amMRY - ONT
1 stop4h 23mUnited Airlines
Wed 7/176:35 pmONT - MRY
1 stop5h 11mUnited Airlines
Deal found 6/9$486
Sat 6/156:05 amMRY - ONT
1 stop16h 22mUnited Airlines
Sun 6/165:50 amONT - MRY
1 stop17h 54mUnited Airlines
Deal found 6/8$507

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 3,020,828 searches. Data last updated June 10, 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 8/157:45 amMRY - ONT
1 stop4h 30mUnited Airlines
Sat 8/176:35 pmONT - MRY
1 stop5h 11mUnited Airlines
Deal found 6/8$278
Thu 8/157:45 amMRY - ONT
1 stop4h 30mUnited Airlines
Sat 8/171:30 pmONT - MRY
2 stops10h 16mUnited Airlines
Deal found 6/8$283
Mon 7/87:45 amMRY - ONT
1 stop4h 32mUnited Airlines
Mon 7/151:30 pmONT - MRY
1 stop10h 16mUnited Airlines
Deal found 6/8$358
Sat 6/297:06 amMRY - ONT
1 stop15h 39mUnited Airlines
Tue 7/26:35 pmONT - MRY
1 stop5h 11mUnited Airlines
Deal found 6/9$368
Thu 10/38:30 amMRY - ONT
1 stop4h 37mUnited Airlines
Sat 10/56:35 pmONT - MRY
1 stop4h 55mUnited Airlines
Deal found 6/9$382
Sat 6/226:05 amMRY - ONT
1 stop6h 20mUnited Airlines
Mon 6/246:10 amONT - MRY
1 stop17h 34mUnited Airlines
Deal found 6/8$432
Sat 6/295:10 amMRY - ONT
2 stops17h 35mUnited Airlines
Tue 7/26:35 pmONT - MRY
1 stop5h 11mUnited Airlines
Deal found 6/9$437
Fri 7/127:45 amMRY - ONT
1 stop15h 00mUnited Airlines
Mon 7/151:30 pmONT - MRY
1 stop10h 16mUnited Airlines
Deal found 6/9$454
Fri 8/27:45 amMRY - ONT
1 stop15h 00mUnited Airlines
Mon 8/51:30 pmONT - MRY
1 stop10h 16mUnited Airlines
Deal found 6/7$455

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 3,020,828 searches. Data last updated June 10, 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.
Sat 6/156:05 amMRY - ONT
1 stop16h 22mUnited Airlines
Sun 6/165:50 amONT - MRY
1 stop17h 54mUnited Airlines
Deal found 6/8$507
Fri 6/146:05 amMRY - ONT
1 stop16h 22mUnited Airlines
Thu 6/201:55 pmONT - MRY
1 stop9h 49mUnited Airlines
Deal found 6/9$848
Mon 6/175:05 amMRY - ONT
1 stop7h 28mUnited Airlines
Tue 6/185:15 amONT - MRY
1 stop7h 48mUnited Airlines
Deal found 6/8$972

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 3,020,828 searches. Data last updated June 10, 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.
Mon 10/286:00 amMRY - ONT
2 stops16h 50mAlaska Airlines
Deal found 6/9$238
Tue 7/3012:45 pmMRY - ONT
1 stop8h 03mUnited Airlines
Deal found 6/8$242
Sun 7/77:45 amMRY - ONT
1 stop4h 23mUnited Airlines
Deal found 6/7$243
Sat 8/177:45 amMRY - ONT
2 stops9h 43mUnited Airlines
Deal found 6/8$248
Mon 10/72:53 pmMRY - ONT
2 stops9h 05mAlaska Airlines
Deal found 6/8$256
Sun 10/201:48 pmMRY - ONT
1 stop19h 26mAlaska Airlines
Deal found 6/7$297
Mon 7/87:45 amMRY - ONT
1 stop4h 32mUnited Airlines
Deal found 6/9$298
Tue 6/255:05 amMRY - ONT
1 stop7h 28mUnited Airlines
Deal found 6/8$324
Fri 7/127:45 amMRY - ONT
1 stop4h 23mUnited Airlines
Deal found 6/8$334

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 3,020,828 searches. Data last updated June 10, 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 stop4h 30m

Ontario

Sat 8/17

1 stop5h 11m

$278

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Thu 8/15

1 stop4h 30m

Ontario

Sat 8/17

2 stops10h 16m

$283

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Mon 7/8

1 stop4h 32m

Ontario

Mon 7/15

1 stop10h 16m

$358

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Sat 6/29

1 stop15h 39m

Ontario

Tue 7/2

1 stop5h 11m

$368

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Thu 10/3

1 stop4h 37m

Ontario

Sat 10/5

1 stop4h 55m

$382

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Sat 6/22

1 stop6h 20m

Ontario

Mon 6/24

1 stop17h 34m

$432

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Sat 6/29

2 stops17h 35m

Ontario

Tue 7/2

1 stop5h 11m

$437

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Mon 7/8

2 stops17h 42m

Ontario

Mon 7/15

2 stops17h 31m

$551

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Sat 7/13

1 stop5h 27m

Ontario

Wed 7/17

1 stop6h 00m

$955

Flights are sorted by cheapest first

Deals found on 6/8

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 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 June 10, 2024.
Read through reviews of airlines operating flights from Monterey to Ontario, such as 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
9,254 reviews

Entertainment

7.3

Food

7.3

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

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
9,254 reviews
Alaska Airlines
8.1
Very good
9,254 reviews

Entertainment

7.3

Food

7.3

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

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

United Airlines
7.4
Good
10,661 reviews
Alaska Airlines
8.1
Very good
9,254 reviews

Entertainment

7.3

Food

7.3

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Reviews

1 / 10

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

American Airlines
7.3
Good
14,172 reviews
Alaska Airlines
8.1
Very good
9,254 reviews

Entertainment

7.3

Food

7.3

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

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 $486.

  • Are there last-minute flights available from Monterey to Ontario for under $600?

    There are currently 3+ open flights from Monterey to Ontario within the next 7 days for less than $600.

  • 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 are the cheapest airlines to fly from Monterey to Ontario one-way?

    One-way options have recently been found by users for as low as $238 on Alaska Airlines. Other airlines that offer cheap prices include United Airlines from $242 and American Airlines from $370 one-way.

  • 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 6/9.

  • What is the cheapest month 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 $239). Flying from Monterey to Ontario in July is currently the most expensive (average of $327). 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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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 3,020,828 searches. Data last updated June 10, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$243Average$378FlexibilityNo cancel feeOn-time69%
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Monterey to Chicago O'Hare Intl Airport flights

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.
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