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$141+ Cheap flights from Montrose to Ontario (MTJ - ONT)

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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
MTJ — ONT
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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Find flight deals from Montrose to Ontario

Cheapest flights from Montrose to Ontario
Explore the most affordable flight options available from Montrose to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2025.

This United Airlines deal was found by Cheapflights users on 11/3. 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 11/137:15 amMTJ - ONT
2 stops11h 19mUnited Airlines
Mon 11/175:05 amONT - MTJ
1 stop6h 24mUnited Airlines
Deal found 11/3$286
This Southwest deal was found by Cheapflights users on 11/3. 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.
Thu 11/1311:50 amMTJ - ONT
1 stop4h 15mSouthwest
Mon 11/175:45 amONT - MTJ
1 stop4h 35mSouthwest
Deal found 11/3$354
This United Airlines deal was found by Cheapflights users on 11/4. 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 11/191:30 pmMTJ - ONT
2 stops10h 21mUnited Airlines
Sun 11/235:05 amONT - MTJ
1 stop6h 24mUnited Airlines
Deal found 11/4$456
This United Airlines deal was found by Cheapflights users on 11/4. 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 11/137:15 amMTJ - ONT
2 stops11h 19mUnited Airlines
Wed 12/35:05 amONT - MTJ
1 stop6h 27mUnited Airlines
Deal found 11/4$488
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/67:15 amMTJ - ONT
1 stop6h 18mUnited Airlines
Sat 11/81:32 pmONT - MTJ
1 stop5h 48mUnited Airlines
Deal found 11/3$494
This American Airlines deal was found by Cheapflights users on 11/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:00 amMTJ - ONT
1 stop8h 04mAmerican Airlines
Mon 12/84:47 pmONT - MTJ
2 stops25h 32mAmerican Airlines
Deal found 11/3$525
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/17:15 amMTJ - ONT
1 stop14h 29mUnited Airlines
Mon 12/85:05 amONT - MTJ
1 stop6h 27mUnited Airlines
Deal found 11/3$579

Cheap flight deals from Montrose to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Montrose (MTJ) 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 November 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$279
(United Airlines)

One-way from

$141
(United Airlines)

Popular in

November

Cheapest in

January

Average price

$472
Provider with most accurate pricing for Montrose County-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Montrose County-Ontario flights.
Search Deals
From Montrose County to Ontario
Search Deals
One-way flight from Montrose County to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 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 Montrose 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 2,558,603 searches. Data last updated November 5, 2025.
Use the filters below to find and compare flights from Montrose to Ontario that are best for you.

Fly from

Montrose

Fly to

Ontario

Route

Depart

Return

Price

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Thu 11/13

7:15 am-5:34 pm

2 stops11h 19m

Ontario

Mon 11/17

5:05 am-12:29 pm

1 stop6h 24m

$286

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Fri 1/30

3:28 pm-8:58 pm

1 stop6h 30m

Ontario

Sat 2/7

1:53 pm-3:26 pm

1 stop24h 33m

$369

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Wed 11/19

1:30 pm-10:51 pm

2 stops10h 21m

Ontario

Sun 11/23

5:05 am-12:29 pm

1 stop6h 24m

$456

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Thu 11/13

7:15 am-5:34 pm

2 stops11h 19m

Ontario

Wed 12/3

5:05 am-12:32 pm

1 stop6h 27m

$488

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Mon 12/1

7:00 am-2:04 pm

1 stop8h 04m

Ontario

Mon 12/8

4:47 pm-7:19 pm

2 stops25h 32m

$525

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Mon 12/1

7:15 am-8:44 pm

1 stop14h 29m

Ontario

Mon 12/8

5:05 am-12:32 pm

1 stop6h 27m

$579

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Wed 1/28

7:00 am-10:53 pm

2 stops16h 53m

$260

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Tue 11/11

1:30 pm-10:51 pm

2 stops10h 21m

$266

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Sun 3/8

7:30 am-12:43 pm

1 stop6h 13m

$320

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Compare providers for flights from Montrose to Ontario

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

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

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

Currently, November is the cheapest month in which you can book a flight from Montrose to Ontario (average of $68). Flying from Montrose to Ontario in May is currently the most expensive (average of $182). 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 Montrose to Ontario. 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 Montrose to Ontario?

    Departing from Montrose to Ontario will take you 11h 19m. Airlines will cover a distance of 621 mi.

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

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

  • How can I find direct flights from Montrose to Ontario?

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

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

    Yes. Cheapflights offers flight deals from Montrose 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.

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

    Currently, November is the cheapest month in which you can book a flight from Montrose to Ontario (average of $68). Flying from Montrose to Ontario in May is currently the most expensive (average of $182). 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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