How long is the flight from Ontario to Montrose?

United Airlines can get you from Ontario to Montrose in just under 6h 25m. Your travel time can differ by up to . There are 621 mi between Ontario and Montrose.

In terms of precipitation, rainfall in Montrose ranges from 0.4 - 1.2 inches per month. August is typically the wettest month, when rainfall can reach 1.2 in. January is typically the driest time to visit Montrose when rainfall is around 0.4 in.

If weather is an important factor for your trip to Montrose, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

What is the cheapest time of day to fly from ONT to MTJ?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Montrose as you normally would.

Most accurate provider : When it comes to deals on Ontario-Montrose flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Montrose flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Montrose flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Ontario-Montrose flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Montrose flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Ontario to Montrose?

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

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

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

$141+ Flights from Ontario to Montrose

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Find flight deals from Ontario to Montrose

Cheapest flights from Ontario to Montrose
Explore the most affordable flight options available from Ontario to Montrose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 24, 2025.

Thu 12/185:05 amONT - MTJ

1 stop6h 33mUnited Airlines

Sun 12/213:25 pmMTJ - ONT

1 stop6h 42mUnited Airlines

Deal found 11/22

$281

Tue 12/91:34 pmONT - MTJ

1 stop5h 36mUnited Airlines

Sat 12/137:15 amMTJ - ONT

1 stop6h 17mUnited Airlines

Deal found 11/24

$330

Sun 12/75:05 amONT - MTJ

1 stop6h 27mUnited Airlines

Thu 12/117:15 amMTJ - ONT

1 stop6h 17mUnited Airlines

Deal found 11/22

$336

Wed 12/35:05 amONT - MTJ

1 stop6h 27mUnited Airlines

Sat 12/67:15 amMTJ - ONT

1 stop6h 17mUnited Airlines

Deal found 11/22

$340

Sat 12/65:05 amONT - MTJ

1 stop6h 27mUnited Airlines

Tue 12/97:15 amMTJ - ONT

1 stop6h 17mUnited Airlines

Deal found 11/22

$401

Best flights from Ontario to Montrose
Discover carefully curated flight deals from Ontario to Montrose that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 24, 2025.

Mon 3/95:15 amONT - MTJ

1 stop6h 27mUnited Airlines

Thu 3/127:36 amMTJ - ONT

1 stop6h 12mUnited Airlines

Deal found 11/23

$281

Fri 1/96:00 amONT - MTJ

1 stop7h 05mAmerican Airlines

Tue 1/132:57 pmMTJ - ONT

1 stop8h 51mAmerican Airlines

Deal found 11/21

$281

Fri 1/95:05 amONT - MTJ

1 stop6h 25mUnited Airlines

Tue 1/137:00 amMTJ - ONT

1 stop6h 47mUnited Airlines

Deal found 11/23

$281

Wed 1/75:05 amONT - MTJ

1 stop6h 25mUnited Airlines

Wed 1/143:28 pmMTJ - ONT

1 stop6h 30mUnited Airlines

Deal found 11/24

$281

Fri 1/95:05 amONT - MTJ

1 stop6h 25mUnited Airlines

Mon 1/123:28 pmMTJ - ONT

1 stop6h 30mUnited Airlines

Deal found 11/23

$330

Tue 12/91:34 pmONT - MTJ

1 stop5h 36mUnited Airlines

Sat 12/131:35 pmMTJ - ONT

2 stops10h 14mUnited Airlines

Deal found 11/24

$335

Sun 12/75:05 amONT - MTJ

1 stop6h 27mUnited Airlines

Thu 12/117:15 amMTJ - ONT

1 stop6h 17mUnited Airlines

Deal found 11/22

$336

Last-minute flights from Ontario to Montrose
Discover last-minute flight deals from Ontario to Montrose. Data last updated November 24, 2025 and is based on user searches.

Wed 12/35:05 amONT - MTJ

1 stop6h 27mUnited Airlines

Sat 12/67:15 amMTJ - ONT

1 stop6h 17mUnited Airlines

Deal found 11/22

$340

Sat 12/65:05 amONT - MTJ

1 stop6h 27mUnited Airlines

Tue 12/97:15 amMTJ - ONT

1 stop6h 17mUnited Airlines

Deal found 11/22

$401

Sun 12/75:05 amONT - MTJ

1 stop6h 27mUnited Airlines

Thu 12/117:15 amMTJ - ONT

1 stop6h 17mUnited Airlines

Deal found 11/22

$336

Tue 12/91:34 pmONT - MTJ

1 stop5h 36mUnited Airlines

Sat 12/137:15 amMTJ - ONT

1 stop6h 17mUnited Airlines

Deal found 11/24

$330

Thu 12/185:05 amONT - MTJ

1 stop6h 33mUnited Airlines

Sun 12/213:25 pmMTJ - ONT

1 stop6h 42mUnited Airlines

Deal found 11/22

$281

One-way flights from Ontario to Montrose
Search for one-way flight options from Ontario to Montrose. Find affordable one-way fares based on user searches. Data last updated November 24, 2025.

Tue 3/35:00 amONT - MTJ

1 stop6h 27mUnited Airlines

Deal found 11/22

$141

Thu 2/125:00 amONT - MTJ

1 stop6h 27mUnited Airlines

Deal found 11/24

$261

Cheap flight deals from Ontario to Montrose

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$281 (United Airlines)
One-way from	$141 (United Airlines)
Popular in	September
Cheapest in	April
Average price	$675

Provider with most accurate pricing for Ontario-Montrose County flight deals.

Search Deals

Provider most trusted by Cheapflights users for Ontario-Montrose County flights.

Search Deals

From Ontario to Montrose County

Search Deals

One-way flight from Ontario to Montrose County

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($68 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Mon 3/9

5:15 am-12:42 pm

1 stop6h 27m

Montrose County

Thu 3/12

7:36 am-12:48 pm

1 stop6h 12m

$281

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Fri 1/9

6:00 am-2:05 pm

1 stop7h 05m

Montrose County

Tue 1/13

2:57 pm-10:48 pm

1 stop8h 51m

$281

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Fri 1/9

5:05 am-12:30 pm

1 stop6h 25m

Montrose County

Tue 1/13

7:00 am-12:47 pm

1 stop6h 47m

$281

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Wed 1/7

5:05 am-12:30 pm

1 stop6h 25m

Montrose County

Wed 1/14

3:28 pm-8:58 pm

1 stop6h 30m

$281

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Fri 1/9

5:05 am-12:30 pm

1 stop6h 25m

Montrose County

Mon 1/12

3:28 pm-8:58 pm

1 stop6h 30m

$330

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Tue 12/9

1:34 pm-8:10 pm

1 stop5h 36m

Montrose County

Sat 12/13

1:35 pm-10:49 pm

2 stops10h 14m

$335

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Sun 12/7

5:05 am-12:32 pm

1 stop6h 27m

Montrose County

Thu 12/11

7:15 am-12:32 pm

1 stop6h 17m

$336

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Tue 3/3

5:00 am-12:27 pm

1 stop6h 27m

$141

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Thu 2/12

5:00 am-12:27 pm

1 stop6h 27m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/22

Compare providers for flights from Ontario to Montrose

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Montrose in November.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Ontario-Montrose flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Montrose flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Montrose flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Ontario-Montrose flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Montrose flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Montrose

Have a flexible travel schedule? Discover the best time to fly to Montrose from Ontario 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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Montrose

What is the cheapest month to book a flight from Ontario to Montrose?

Currently, August is the cheapest month in which you can book a flight from Ontario to Montrose (average of $76). Flying from Ontario to Montrose in March is currently the most expensive (average of $218). 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.

Related info for your journey

How long is the flight from Ontario to Montrose?
United Airlines can get you from Ontario to Montrose in just under 6h 25m. Your travel time can differ by up to . There are 621 mi between Ontario and Montrose.
Can I find deals for flights from Ontario to Montrose that include hotel bookings?
Yes. In addition to deals on Ontario to Montrose flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Montrose?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Montrose.
Can I find deals for business class flights from Ontario to Montrose?
Yes. Cheapflights offers flight deals from Ontario to Montrose by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Ontario to Montrose?
Currently, August is the cheapest month in which you can book a flight from Ontario to Montrose (average of $76). Flying from Ontario to Montrose in March is currently the most expensive (average of $218). 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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$141+ Cheap flights from Ontario to Montrose (ONT - MTJ)

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Montrose with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Ontario to Montrose

Cheapest flights from Ontario to MontroseExplore the most affordable flight options available from Ontario to Montrose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 24, 2025.

Explore the most affordable flight options available from Ontario to Montrose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 24, 2025.

Cheap flight deals from Ontario to Montrose

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Montrose that are best for you.

Compare providers for flights from Ontario to Montrose

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Montrose in November.

Best time to book a flight from Ontario to Montrose

Have a flexible travel schedule? Discover the best time to fly to Montrose from Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Montrose

What is the cheapest month to book a flight from Ontario to Montrose?

Related info for your journey

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

How long is the flight from Ontario to Montrose?

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

How can I find direct flights from Ontario to Montrose?

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

What is the cheapest month to book a flight from Ontario to Montrose?

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Cheapest flights from Ontario to Montrose
Explore the most affordable flight options available from Ontario to Montrose. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 24, 2025.