Cheap flights from Monterey to Ontario (MRY - ONT) from $176

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 10/1. 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 23 — Jun 301

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 18, 2024.

Round-trip from

$238
From Monterey Regional 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 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?

When flying from Monterey to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 3,281,944 searches. Prices were last updated on June 18, 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.
Sat 7/137:45 amMRY - ONT
1 stop4h 30mUnited Airlines
Sat 7/206:35 pmONT - MRY
1 stop5h 11mUnited Airlines
Deal found 6/18$278
Thu 7/412:45 pmMRY - ONT
1 stop8h 03mUnited Airlines
Sat 7/61:30 pmONT - MRY
1 stop7h 26mUnited Airlines
Deal found 6/18$288
Sat 7/67:45 amMRY - ONT
1 stop4h 30mUnited Airlines
Thu 7/116:20 amONT - MRY
1 stop17h 26mUnited Airlines
Deal found 6/17$363
Fri 7/197:45 amMRY - ONT
1 stop15h 00mUnited Airlines
Sun 7/216:20 amONT - MRY
1 stop17h 26mUnited Airlines
Deal found 6/18$437
Wed 7/177:45 amMRY - ONT
1 stop4h 30mUnited Airlines
Wed 7/246:20 amONT - MRY
1 stop17h 26mUnited Airlines
Deal found 6/18$438
Thu 7/257:45 amMRY - ONT
1 stop4h 30mUnited Airlines
Fri 7/266:25 pmONT - MRY
1 stop18h 52mUnited Airlines
Deal found 6/17$452
Sat 7/137:45 amMRY - ONT
1 stop4h 30mUnited Airlines
Sat 7/205:10 amONT - MRY
2 stops18h 36mUnited Airlines
Deal found 6/18$467
Fri 6/2112:30 pmMRY - ONT
1 stop8h 18mUnited Airlines
Sat 6/221:34 pmONT - MRY
1 stop10h 10mUnited Airlines
Deal found 6/17$478
Mon 7/157:45 amMRY - ONT
1 stop4h 32mUnited Airlines
Wed 7/176:35 pmONT - MRY
1 stop5h 11mUnited Airlines
Deal found 6/18$486

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 3,281,944 searches. Data last updated June 18, 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.
Sat 7/137:45 amMRY - ONT
1 stop4h 30mUnited Airlines
Sat 7/206:35 pmONT - MRY
1 stop5h 11mUnited Airlines
Deal found 6/18$278
Thu 7/412:45 pmMRY - ONT
1 stop8h 03mUnited Airlines
Sat 7/61:30 pmONT - MRY
1 stop7h 26mUnited Airlines
Deal found 6/18$288
Sat 7/67:45 amMRY - ONT
1 stop4h 30mUnited Airlines
Thu 7/116:20 amONT - MRY
1 stop17h 26mUnited Airlines
Deal found 6/17$363
Mon 10/287:55 amMRY - ONT
1 stop5h 08mUnited Airlines
Fri 11/226:35 pmONT - MRY
1 stop5h 06mUnited Airlines
Deal found 6/18$382
Tue 8/134:07 pmMRY - ONT
1 stop19h 46mAmerican Airlines
Fri 8/1612:46 pmONT - MRY
1 stop23h 42mAmerican Airlines
Deal found 6/17$427
Fri 7/197:45 amMRY - ONT
1 stop15h 00mUnited Airlines
Sun 7/216:20 amONT - MRY
1 stop17h 26mUnited Airlines
Deal found 6/18$437
Wed 7/177:45 amMRY - ONT
1 stop4h 30mUnited Airlines
Wed 7/246:20 amONT - MRY
1 stop17h 26mUnited Airlines
Deal found 6/18$438
Thu 9/198:35 amMRY - ONT
1 stop16h 10mUnited Airlines
Sun 9/226:20 amONT - MRY
1 stop7h 41mUnited Airlines
Deal found 6/18$440
Thu 7/257:45 amMRY - ONT
1 stop4h 30mUnited Airlines
Fri 7/266:25 pmONT - MRY
1 stop18h 52mUnited Airlines
Deal found 6/17$452

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 3,281,944 searches. Data last updated June 18, 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.
Mon 6/246:05 amMRY - ONT
1 stop6h 40mUnited Airlines
Tue 7/91:47 pmONT - MRY
1 stop9h 59mUnited Airlines
Deal found 6/17$698
Tue 6/2512:30 pmMRY - ONT
2 stops9h 57mUnited Airlines
Thu 6/271:30 pmONT - MRY
1 stop7h 26mUnited Airlines
Deal found 6/18$929
Tue 6/256:05 amMRY - ONT
2 stops11h 23mUnited Airlines
Thu 6/271:30 pmONT - MRY
2 stops10h 16mUnited Airlines
Deal found 6/18$1,036
Wed 6/262:03 pmMRY - ONT
1 stop9h 56mAlaska Airlines
Thu 6/276:00 amONT - MRY
1 stop7h 26mAlaska Airlines
Deal found 6/18$1,042
Tue 6/2512:30 pmMRY - ONT
1 stop8h 18mUnited Airlines
Thu 6/271:30 pmONT - MRY
1 stop7h 26mUnited Airlines
Deal found 6/18$1,048
Sun 6/235:05 amMRY - ONT
1 stop7h 28mUnited Airlines
Mon 6/241:29 pmONT - MRY
1 stop7h 32mUnited Airlines
Deal found 6/18$1,066

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 3,281,944 searches. Data last updated June 18, 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.
Tue 10/12:53 pmMRY - ONT
2 stops9h 01mAlaska Airlines
Deal found 6/18$176
Mon 10/2812:37 pmMRY - ONT
1 stop21h 56mAlaska Airlines
Deal found 6/18$217
Wed 10/2311:00 amMRY - ONT
2 stops11h 52mAlaska Airlines
Deal found 6/17$226
Tue 7/165:10 amMRY - ONT
1 stop7h 23mUnited Airlines
Deal found 6/17$243
Sat 10/126:00 amMRY - ONT
2 stops13h 01mAlaska Airlines
Deal found 6/18$246
Sat 8/107:45 amMRY - ONT
2 stops9h 43mUnited Airlines
Deal found 6/17$248
Tue 7/163:23 pmMRY - ONT
2 stops17h 42mAlaska Airlines
Deal found 6/17$252
Thu 8/86:00 amMRY - ONT
2 stops17h 59mAlaska Airlines
Deal found 6/18$262
Tue 7/306:00 amMRY - ONT
2 stops16h 40mAlaska Airlines
Deal found 6/18$308

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 3,281,944 searches. Data last updated June 18, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$278 - $543

Route

Depart

Return

Price

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Thu 7/18

1 stop4h 30m

Ontario

Sat 7/20

1 stop5h 11m

$278

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Wed 7/24

1 stop4h 30m

Ontario

Mon 7/29

1 stop10h 16m

$358

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Fri 7/5

1 stop4h 23m

Ontario

Tue 7/9

1 stop17h 26m

$363

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Thu 7/4

1 stop4h 30m

Ontario

Sat 7/6

1 stop17h 26m

$373

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Mon 10/28

1 stop5h 08m

Ontario

Fri 11/22

1 stop5h 06m

$382

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Tue 8/13

1 stop19h 46m

Ontario

Fri 8/16

1 stop23h 42m

$427

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Mon 11/4

1 stop21h 56m

Ontario

Fri 11/8

1 stop5h 57m

$492

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Tue 8/13

2 stops9h 29m

Ontario

Fri 8/16

1 stop17h 06m

$497

Monterey RegionalOntario

MRY - ONT

MRYONT

Monterey Regional

Wed 7/24

1 stop9h 56m

Ontario

Mon 7/29

2 stops11h 56m

$543

Flights are sorted by cheapest first

Deals found on 6/17

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 18, 2024.
Read through reviews of airlines operating flights from Monterey to Ontario, such as United Airlines, American Airlines and Alaska 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.
8.1
Very good
9,277 reviews

Entertainment

7.3

Crew

8.6

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.1

Reviews

1 / 10

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

8.1
Very good
9,277 reviews
8.1
Very good
9,277 reviews

Entertainment

7.3

Crew

8.6

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.1

Reviews

1 / 10

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

7.4
Good
10,000 reviews
8.1
Very good
9,277 reviews

Entertainment

7.3

Crew

8.6

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.1

Reviews

1 / 10

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

7.3
Good
10,000 reviews
8.1
Very good
9,277 reviews

Entertainment

7.3

Crew

8.6

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.1

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 $441.

  • Are there last-minute flights available from Monterey to Ontario for under $700?

    There are currently 6+ open flights from Monterey to Ontario within the next 7 days for less than $700.

  • 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 American Airlines and Alaska 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 $176 on Alaska Airlines. Other airlines that offer cheap prices include United Airlines from $243 and American Airlines from $397 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 6/18.

  • 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 $238). Flying from Monterey to Ontario in July is currently the most expensive (average of $318). 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.

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 3,281,944 searches. Data last updated June 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$242Average$415FlexibilityNo cancel feeOn-time69%

Search flights from Monterey to Ontario by cabin class

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