Cheap flights from Monterey to Ontario (MRY - ONT)

MRY — ONT
Oct 2 — Oct 91

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

Sunday 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 61% by booking at least 61 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 $143.

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

Flights from Monterey to Ontario lean towards being more expensive in June. Prices are generally better when you fly from Monterey to Ontario in October, with the cheapest ticket starting at $72.

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

It’s typically best to fly out from Monterey to Ontario in the morning. Doing so could potentially save you 14% on the flight price compared to flying at noon, which is usually more expensive.

Cheap flights from Monterey to Ontario in September, October 2022

The best prices found for MRY to ONT flights for September, October
Oct 28 - Oct 31
MRY

Monterey Regional

ONT

Ontario

1 stop

19h 15m
ONT

Ontario

MRY

Monterey Regional

1 stop

19h 57m
$344

United Airlines

Pick Dates

Deal found 9/26/22

Oct 15 - Oct 16
MRY

Monterey Regional

ONT

Ontario

1 stop

3h 02m
ONT

Ontario

MRY

Monterey Regional

1 stop

6h 25m
$372

United Airlines

Pick Dates

Deal found 9/26/22

Oct 7 - Oct 9
MRY

Monterey Regional

ONT

Ontario

1 stop

7h 55m
ONT

Ontario

MRY

Monterey Regional

1 stop

24h 22m
$375

Multiple Airlines

Pick Dates

Deal found 9/26/22

Monterey to Ontario 2022 flight deals

Cheap flights to Ontario from Monterey found for this year
Dec 3 - Dec 4
MRY

Monterey Regional

ONT

Ontario

1 stop

3h 09m
ONT

Ontario

MRY

Monterey Regional

1 stop

4h 02m
$263

United Airlines

Pick Dates

Deal found 9/24/22

Dec 6 - Dec 20
MRY

Monterey Regional

ONT

Ontario

1 stop

3h 09m
ONT

Ontario

MRY

Monterey Regional

1 stop

3h 50m
$278

United Airlines

Pick Dates

Deal found 9/24/22

Nov 21 - Nov 25
MRY

Monterey Regional

ONT

Ontario

1 stop

3h 09m
ONT

Ontario

MRY

Monterey Regional

1 stop

17h 34m
$342

United Airlines

Pick Dates

Deal found 9/25/22

Cheap Alaska Airlines flights from Monterey to Ontario

Oct 26 - Oct 30
MRY

Monterey Regional

ONT

Ontario

2 stops

17h 30m
ONT

Ontario

MRY

Monterey Regional

1 stop

8h 04m
$490

Alaska Airlines

Pick Dates

Deal found 9/26/22

Oct 28 - Oct 31
MRY

Monterey Regional

ONT

Ontario

2 stops

20h 25m
ONT

Ontario

MRY

Monterey Regional

2 stops

18h 59m
$567

Alaska Airlines

Pick Dates

Deal found 9/26/22

Jan 29 - Feb 3
MRY

Monterey Regional

ONT

Ontario

1 stop

6h 30m
ONT

Ontario

MRY

Monterey Regional

2 stops

11h 53m
$663

Alaska Airlines

Pick Dates

Deal found 9/27/22

Cheap United Airlines flights from Monterey to Ontario

Jan 28 - Feb 4
MRY

Monterey Regional

ONT

Ontario

1 stop

3h 21m
ONT

Ontario

MRY

Monterey Regional

1 stop

4h 02m
$248

United Airlines

Pick Dates

Deal found 9/26/22

Jan 12 - Jan 28
MRY

Monterey Regional

ONT

Ontario

1 stop

3h 21m
ONT

Ontario

MRY

Monterey Regional

1 stop

4h 02m
$288

United Airlines

Pick Dates

Deal found 9/24/22

Feb 22 - Feb 25
MRY

Monterey Regional

ONT

Ontario

1 stop

3h 18m
ONT

Ontario

MRY

Monterey Regional

1 stop

4h 07m
$303

United Airlines

Pick Dates

Deal found 9/26/22

Last minute flights from Monterey to Ontario

Late deals on return flights to Ontario from Monterey, departing today and this week
Oct 7 - Oct 9
MRY

Monterey Regional

ONT

Ontario

1 stop

7h 55m
ONT

Ontario

MRY

Monterey Regional

1 stop

24h 22m
$375

Multiple Airlines

Pick Dates

Deal found 9/26/22

Oct 5 - Oct 7
MRY

Monterey Regional

ONT

Ontario

2 stops

7h 05m
ONT

Ontario

MRY

Monterey Regional

1 stop

5h 15m
$390

Multiple Airlines

Pick Dates

Deal found 9/26/22

Oct 7 - Oct 9
MRY

Monterey Regional

ONT

Ontario

1 stop

21h 37m
ONT

Ontario

MRY

Monterey Regional

1 stop

6h 25m
$606

United Airlines

Pick Dates

Deal found 9/26/22

One-way flights to Ontario from Monterey

The cheapest one-way flights from Monterey to Ontario
Nov 2
MRY

Monterey Regional

ONT

Ontario

1 stop

3h 01m
$159

United Airlines

Pick Dates

Deal found 9/26/22

Nov 24
MRY

Monterey Regional

ONT

Ontario

1 stop

3h 09m
$169

United Airlines

Pick Dates

Deal found 9/25/22

Nov 4
MRY

Monterey Regional

ONT

Ontario

1 stop

3h 01m
$199

United Airlines

Pick Dates

Deal found 9/26/22

Related info for your journey

Useful info, stats and facts about Monterey to Ontario flights.

Which airlines flying from Monterey Regional to Ontario have flexible changes due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines flying from Monterey Regional to Ontario have implemented new flexible change policies.

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 $248, but on average you can expect to pay $436.

Are there last-minute flights available from Monterey to Ontario for under $400?

There are currently 13+ open flights from Monterey to Ontario within the next 7 days for less than $400.

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

United Airlines, at $248, was found to be the cheapest airline from Monterey to Ontario. An alternate airline flying to your destination would be Alaska Airlines. Users have found that United Airlines is 50% cheaper than the other options available to this destination.

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 $159 on United Airlines. Other airlines that offer cheap prices include Alaska Airlines from $218 and American Airlines from $310 one-way.

What are the most popular airlines that fly from Monterey to Ontario?

American Airlines, Alaska Airlines and United Airlines are the most popular airlines when flying from Monterey to Ontario.

What are the cheapest flights from Monterey to Ontario?

Looking at all options, your cheapest flight can be booked for $227. While the most popular route (Monterey Regional - Ontario) can be booked for $372 on average our data indicates $268 when flying from Monterey to Ontario.

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

The chart below displays the airlines Cheapflights users traveling from Monterey to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
United AirlinesCheapest$271Average$447FlexibilityNo cancel feeOn-time69%COVID-19 safety
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