HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Montrose

$156+ 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MTJ
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Montrose with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 3, 2025.

Round-trip from

$286
(United Airlines)

One-way from

$156
(United Airlines)

Popular in

August

Cheapest in

June

Average price

$447
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 ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 3, 2025.

This United Airlines deal was found by Cheapflights users on 7/1. 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.
Tue 7/291:34 pmONT - MTJ
1 stop6h 17mUnited Airlines
Tue 8/57:15 amMTJ - ONT
1 stop6h 17mUnited Airlines
Deal found 7/1$286
This American Airlines deal was found by Cheapflights users on 7/1. 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 7/2812:59 amONT - MTJ
1 stop7h 58mAmerican Airlines
Tue 8/52:37 pmMTJ - ONT
1 stop8h 57mAmerican Airlines
Deal found 7/1$395

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 July 3, 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

Tue 7/29

1:34 pm-8:51 pm

1 stop6h 17m

Montrose County

Tue 8/5

7:15 am-12:32 pm

1 stop6h 17m

$286

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Mon 7/28

12:59 am-9:57 am

1 stop7h 58m

Montrose County

Tue 8/5

2:37 pm-10:34 pm

1 stop8h 57m

$395

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Sat 7/26

1:34 pm-8:51 pm

1 stop6h 17m

$156

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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, October is the cheapest month in which you can book a flight from Ontario to Montrose (average of $371). Flying from Ontario to Montrose in March is currently the most expensive (average of $539). 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.

Reviews of airlines servicing Montrose

Get insights into the airlines that provide service to Montrose. 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 Montrose. Reviews last updated July 3, 2025.
Read through reviews of airlines operating flights from Ontario to Montrose, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,845 reviews

Entertainment

7.0

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2024

EWR - DEN

Terribly delayed flight, missed ongoing flight, hotel very downmarket Food voucher not accepted in hotel
United Airlines
7.4
Good
8,845 reviews
United Airlines
7.4
Good
8,845 reviews

Entertainment

7.0

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2024

EWR - DEN

Terribly delayed flight, missed ongoing flight, hotel very downmarket Food voucher not accepted in hotel
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,845 reviews

Entertainment

7.0

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2024

EWR - DEN

Terribly delayed flight, missed ongoing flight, hotel very downmarket Food voucher not accepted in hotel

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.

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

    Flying on United Airlines is currently your cheapest option to Montrose, with prices starting at $286. Another option worth looking into is American Airlines, starting at $395 round trip. United Airlines is currently priced 32% below the average price you’ll pay for this route.

  • 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, October is the cheapest month in which you can book a flight from Ontario to Montrose (average of $371). Flying from Ontario to Montrose in March is currently the most expensive (average of $539). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Montrose

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Denver flights
San Francisco to Denver flights
Ontario to Denver flights
Santa Ana to Denver flights
San Diego to Denver flights
Sacramento to Denver flights
San Jose to Denver flights
Las Vegas to Denver flights
Burbank to Denver flights
Reno to Denver flights
Long Beach to Denver flights
Fresno to Denver flights
San Francisco to Durango flights
Palm Springs to Denver flights
Los Angeles to Aspen flights
San Luis Obispo to Denver flights
Oakland to Denver flights
Santa Barbara to Denver flights
San Francisco to Cortez flights
Bakersfield to Denver flights
Arcata to Denver flights
Redding to Denver flights
Los Angeles to Durango flights
San Francisco to Aspen flights
Santa Rosa to Denver flights
Los Angeles to Colorado Springs flights
Ontario to Colorado Springs flights
Medford to Denver flights
Los Angeles to Montrose flights
Ontario to Durango flights
San Jose to Durango flights
Monterey to Denver flights
San Francisco to Grand Junction flights
Los Angeles to Grand Junction flights
Las Vegas to Colorado Springs flights
San Francisco to Colorado Springs flights
San Francisco to Montrose flights
Los Angeles to Vail flights
Burbank to Colorado Springs flights
Ontario to Aspen flights
Palm Springs to Colorado Springs flights
San Diego to Colorado Springs flights
Ontario to Grand Junction flights
San Jose to Grand Junction flights
San Francisco to Vail flights
Sacramento to Durango flights
San Jose to Colorado Springs flights
Sacramento to Colorado Springs flights
Santa Ana to Montrose flights
San Diego to Durango flights

Top airline flying from Ontario to Montrose

Discover the top airline that operate flights from Ontario to Montrose. 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 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$366Average$426FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights