What is the cheapest airline that flies from Ontario to Montrose County?

United Airlines is the most popular carrier operating from Ontario to Montrose County

What airlines fly to Montrose?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Montrose from Ontario according to our data. United Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Montrose. Keep in mind that there are 6 different airlines that fly to Montrose on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ontario Airport to Montrose County Airport?

Prices for flights from Ontario Airport to Montrose County Airport are updated daily.

How old do you have to be to fly from Ontario Airport to Montrose County Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Montrose County Airport.

What documentation or ID do you need to fly to Montrose County Airport?

The travel and health documents you'll need for your trip to Montrose County Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Montrose County Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$130 Cheap Flights from Ontario to Montrose in 2025/26

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Find the cheapest flights from Ontario to Montrose

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Cheap round-trip flights

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5:05 am - 12:32 pmONT-MTJ

6h 27m1 stop

1:35 pm - 10:49 pmMTJ-ONT

10h 14m2 stops

$331United Airlines

Find Deal

Wed, Dec 3 - Wed, Dec 10

5:05 am - 12:29 pmONT-MTJ

6h 24m1 stop

1:35 pm - 10:49 pmMTJ-ONT

10h 14m2 stops

$334United Airlines

Find Deal

Tue, Nov 25 - Thu, Dec 4

5:10 am - 12:41 pmONT-MTJ

6h 31m1 stop

1:35 pm - 11:06 pmMTJ-ONT

10h 31m2 stops

$335United Airlines

Find Deal

Tue, Mar 31 - Thu, Apr 2

5:05 am - 12:32 pmONT-MTJ

6h 27m1 stop

7:15 am - 12:32 pmMTJ-ONT

6h 17m1 stop

$373United Airlines

Find Deal

Wed, Dec 3 - Wed, Dec 10

5:05 am - 12:29 pmONT-MTJ

6h 24m1 stop

7:15 am - 12:32 pmMTJ-ONT

6h 17m1 stop

$379United Airlines

Find Deal

Tue, Nov 25 - Tue, Dec 2

5:10 am - 12:41 pmONT-MTJ

6h 31m1 stop

7:30 am - 12:38 pmMTJ-ONT

6h 08m1 stop

$401United Airlines

Find Deal

Tue, Mar 31 - Thu, Apr 2

5:05 am - 12:29 pmONT-MTJ

6h 24m1 stop

1:35 pm - 10:49 pmMTJ-ONT

10h 14m2 stops

$405United Airlines

Find Deal

Wed, Nov 26 - Fri, Dec 5

5:10 am - 12:41 pmONT-MTJ

6h 31m1 stop

1:35 pm - 11:06 pmMTJ-ONT

10h 31m2 stops

$406United Airlines

Find Deal

Tue, Mar 31 - Thu, Apr 2

12:49 pm - 7:48 pmONT-MTJ

5h 59m1 stop

7:00 am - 4:01 pmMTJ-ONT

10h 01m2 stops

$701American Airlines

Find Deal

Wed, Nov 26 - Mon, Dec 1

6:10 am - 2:03 pmONT-MTJ

6h 53m1 stop

2:43 pm - 10:14 pmMTJ-ONT

8h 31m1 stop

$839American Airlines

Find Deal

Tue, Dec 30 - Thu, Jan 1

United Airlines flights from Ontario to Montrose

Our best United Airlines deals on Ontario to Montrose flight tickets

United Airlines

Dec 3

ONT5:05 amOntario

6h 27m

1 stop

MTJ12:32 pmMontrose County

Dec 10

MTJ1:35 pmMontrose County

10h 14m

2 stops

ONT10:49 pmOntario

$331

Find similar

United Airlines

Nov 25

ONT5:05 amOntario

6h 24m

1 stop

MTJ12:29 pmMontrose County

Dec 4

MTJ1:35 pmMontrose County

10h 14m

2 stops

ONT10:49 pmOntario

$334

Find similar

United Airlines

Mar 31

ONT5:10 amOntario

6h 31m

1 stop

MTJ12:41 pmMontrose County

Apr 2

MTJ1:35 pmMontrose County

10h 31m

2 stops

ONT11:06 pmOntario

$335

Find similar

American Airlines flights from Ontario to Montrose

Our best American Airlines deals on Ontario to Montrose flight tickets

American Airlines

Nov 26

ONT12:49 pmOntario

5h 59m

1 stop

MTJ7:48 pmMontrose County

Dec 1

MTJ7:00 amMontrose County

10h 01m

2 stops

ONT4:01 pmOntario

$701

Find similar

American Airlines

Dec 30

ONT6:10 amOntario

6h 53m

1 stop

MTJ2:03 pmMontrose County

Jan 1

MTJ2:43 pmMontrose County

8h 31m

1 stop

ONT10:14 pmOntario

$839

Find similar

American Airlines

Nov 26

ONT12:49 pmOntario

5h 59m

1 stop

MTJ7:48 pmMontrose County

Nov 29

MTJ7:00 amMontrose County

12h 20m

2 stops

ONT6:20 pmOntario

$1,052

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Wed 12/3

5:05 am-12:32 pm

1 stop6h 27m

Montrose County

Wed 12/10

1:35 pm-10:49 pm

2 stops10h 14m

$331

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Tue 11/25

5:05 am-12:29 pm

1 stop6h 24m

Montrose County

Thu 12/4

1:35 pm-10:49 pm

2 stops10h 14m

$334

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Tue 3/31

5:10 am-12:41 pm

1 stop6h 31m

Montrose County

Thu 4/2

1:35 pm-11:06 pm

2 stops10h 31m

$335

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Wed 12/3

5:05 am-12:32 pm

1 stop6h 27m

Montrose County

Wed 12/10

7:15 am-12:32 pm

1 stop6h 17m

$373

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Tue 11/25

5:05 am-12:29 pm

1 stop6h 24m

Montrose County

Tue 12/2

7:15 am-12:32 pm

1 stop6h 17m

$379

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Tue 3/31

5:10 am-12:41 pm

1 stop6h 31m

Montrose County

Thu 4/2

7:30 am-12:38 pm

1 stop6h 08m

$401

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Wed 11/26

5:05 am-12:29 pm

1 stop6h 24m

Montrose County

Fri 12/5

1:35 pm-10:49 pm

2 stops10h 14m

$405

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Tue 3/31

5:10 am-12:41 pm

1 stop6h 31m

Montrose County

Thu 4/2

1:35 pm-11:06 pm

2 stops10h 31m

$406

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Wed 11/26

12:49 pm-7:48 pm

1 stop5h 59m

Montrose County

Mon 12/1

7:00 am-4:01 pm

2 stops10h 01m

$701

OntarioMontrose

ONT - MTJ

ONTMTJ

Ontario

Tue 12/30

6:10 am-2:03 pm

1 stop6h 53m

Montrose County

Thu 1/1

2:43 pm-10:14 pm

1 stop8h 31m

$839

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Montrose

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Montrose?

On average, the least expensive day to fly to Montrose from Ontario is on a Monday. momondo users have found tickets for Monday departures for as low as $298. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Montrose for around $659.

What is the cheapest time of day to depart on your flight to Montrose?

According to our data, the cheapest time of day to fly to Montrose is in the morning. momondo users have found flights departing from Ontario to Montrose in the morning for as low as $407. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Montrose, so prices are often more expensive at around $500 per ticket.

When to book flights from Ontario to Montrose

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Montrose according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Montrose (ONT to MTJ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Montrose

Direct flights	None

There are no direct flights from Ontario to Montrose. There are no popular flight routes from Ontario to Montrose.

Search flight deals

How far is Ontario to Montrose County by plane?
There are 623.2 mi between Ontario and Montrose County. Flights usually cover this in 5h 31m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Ontario Airport to Montrose County Airport?
Prices for flights from Ontario Airport to Montrose County Airport are updated daily.
How old do you have to be to fly from Ontario Airport to Montrose County Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Montrose County Airport.
What documentation or ID do you need to fly to Montrose County Airport?
The travel and health documents you'll need for your trip to Montrose County Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Montrose County Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Delta

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Montrose?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Montrose. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Montrose with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to Montrose flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Montrose?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Montrose.

I’m not ready to book a flight from Ontario to Montrose right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Montrose now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Montrose and let you know when they change.