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Montrose

$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 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MTJ
Dec 29 — Jan 51
Mon 12/29
Mon 1/5
1 adult, Economy
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1. Tell us where you want to go

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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 29, 2025.

This United Airlines deal was found by Cheapflights users on 11/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:05 amONT - MTJ
1 stop6h 33mUnited Airlines
Sun 12/213:25 pmMTJ - ONT
1 stop6h 42mUnited Airlines
Deal found 11/27$282
This United Airlines deal was found by Cheapflights users on 11/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:05 amONT - MTJ
1 stop6h 27mUnited Airlines
Mon 12/151:35 pmMTJ - ONT
2 stops10h 14mUnited Airlines
Deal found 11/29$310
This United Airlines deal was found by Cheapflights users on 11/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:05 amONT - MTJ
1 stop6h 24mUnited Airlines
Thu 12/117:15 amMTJ - ONT
1 stop6h 17mUnited Airlines
Deal found 11/27$365
This United Airlines deal was found by Cheapflights users on 11/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:05 amONT - MTJ
1 stop6h 27mUnited Airlines
Sat 12/67:15 amMTJ - ONT
1 stop6h 17mUnited Airlines
Deal found 11/28$389
This United Airlines deal was found by Cheapflights users on 11/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:05 amONT - MTJ
1 stop6h 27mUnited Airlines
Tue 12/167:15 amMTJ - ONT
1 stop6h 17mUnited Airlines
Deal found 11/26$401
This Southwest deal was found by Cheapflights users on 11/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/19:10 pmONT - MTJ
2 stops13h 10mSouthwest
Thu 12/1112:00 pmMTJ - ONT
2 stops7h 30mSouthwest
Deal found 11/27$621

Cheap flight deals from Ontario to Montrose

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Montrose (MTJ). 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 November 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$281
(American 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

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Montrose 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 2,558,603 searches. Data last updated November 29, 2025.
Use the filters below to find and compare flights from Ontario to Montrose that are best for you.

Fly from

Ontario

Fly to

Montrose

Route

Depart

Return

Price

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

Thu 12/18

5:05 am-12:38 pm

1 stop6h 33m

Montrose County

Sun 12/21

3:25 pm-9:07 pm

1 stop6h 42m

$282

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Fri 1/9

1:24 pm-8:17 pm

1 stop5h 53m

Montrose County

Tue 1/13

3:28 pm-10:53 pm

2 stops8h 25m

$286

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Wed 12/10

5:05 am-12:32 pm

1 stop6h 27m

Montrose County

Mon 12/15

1:35 pm-10:49 pm

2 stops10h 14m

$310

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Wed 3/4

1:45 pm-8:21 pm

1 stop5h 36m

Montrose County

Sun 3/8

3:39 pm-8:57 pm

1 stop6h 18m

$330

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Thu 1/29

1:24 pm-8:17 pm

1 stop5h 53m

Montrose County

Mon 2/2

3:28 pm-8:58 pm

1 stop6h 30m

$330

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Mon 12/29

5:05 am-12:38 pm

1 stop6h 33m

$141

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Tue 1/6

5:05 am-12:30 pm

1 stop6h 25m

$141

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Thu 12/25

5:05 am-12:38 pm

1 stop6h 33m

$141

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Sat 12/20

5:05 am-12:38 pm

1 stop6h 33m

$141

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/26

Showing 1-10 of 16 results
1
2

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.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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

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?

    American Airlines and United Airlines can get you from Ontario to Montrose in just under 6h 33m. Your travel time can differ by up to 32m. There are 621 mi between Ontario and Montrose. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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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