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

United Airlines, American Airlines, and Southwest are the most popular carriers operating from Montrose County to Ontario

What airlines fly to Ontario?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Ontario from Montrose according to our data. American Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 5 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Montrose County Airport to Ontario Airport refresh daily.

How many operators does momondo search for flights from Montrose County Airport to Ontario Airport?

The number of operators available for flights from Montrose County Airport to Ontario Airport is 1 as of July 2025.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montrose County Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents you'll need for your trip to Ontario 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 Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$139 Cheap Flights from Montrose to Ontario in 2025

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Find the cheapest flights from Montrose to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

7:30 am - 12:32 pmMTJ-ONT

6h 02m1 stop

5:05 am - 12:46 pmONT-MTJ

6h 41m1 stop

$277United Airlines

Find Deal

Sat, Aug 23 - Tue, Oct 21

3:24 pm - 8:43 pmMTJ-ONT

6h 19m1 stop

9:36 am - 8:19 pmONT-MTJ

9h 43m2 stops

$282United Airlines

Find Deal

Sat, Aug 23 - Tue, Oct 21

1:35 pm - 5:25 pmMTJ-ONT

4h 50m1 stop

5:05 am - 12:48 pmONT-MTJ

6h 43m1 stop

$318United Airlines

Find Deal

Wed, Aug 13 - Sat, Aug 16

7:30 am - 5:37 pmMTJ-ONT

11h 07m2 stops

1:15 pm - 8:19 pmONT-MTJ

6h 04m1 stop

$323United Airlines

Find Deal

Sat, Aug 23 - Wed, Oct 22

7:30 am - 5:37 pmMTJ-ONT

11h 07m2 stops

9:36 am - 8:19 pmONT-MTJ

9h 43m2 stops

$328United Airlines

Find Deal

Sat, Aug 23 - Tue, Oct 21

10:37 am - 9:38 pmMTJ-ONT

12h 01m2 stops

12:59 am - 9:57 amONT-MTJ

7h 58m1 stop

$344American Airlines

Find Deal

Fri, Aug 1 - Mon, Aug 4

2:37 pm - 10:10 pmMTJ-ONT

8h 33m1 stop

11:59 pm - 9:57 amONT-MTJ

8h 58m1 stop

$425American Airlines

Find Deal

Fri, Aug 1 - Mon, Aug 4

1:55 pm - 10:15 pmMTJ-ONT

9h 20m2 stops

5:00 am - 1:15 pmONT-MTJ

7h 15m1 stop

$503Southwest

Find Deal

Fri, Aug 1 - Mon, Aug 4

1:55 pm - 10:15 pmMTJ-ONT

9h 20m2 stops

5:15 am - 1:15 pmONT-MTJ

7h 00m2 stops

$508Southwest

Find Deal

Fri, Aug 1 - Mon, Aug 4

10:31 am - 9:38 pmMTJ-ONT

12h 07m2 stops

11:59 pm - 9:59 amONT-MTJ

9h 00m1 stop

$527American Airlines

Find Deal

Sat, Aug 2 - Tue, Aug 5

United Airlines flights from Montrose to Ontario

Our best United Airlines deals on Montrose to Ontario flight tickets

United Airlines

Aug 23

MTJ3:24 pmMontrose County

6h 19m

1 stop

ONT8:43 pmOntario

Sep 22

ONT1:15 pmOntario

6h 07m

1 stop

MTJ8:22 pmMontrose County

$277

Find similar

United Airlines

Aug 23

MTJ3:24 pmMontrose County

6h 19m

1 stop

ONT8:43 pmOntario

Oct 21

ONT9:36 amOntario

9h 43m

2 stops

MTJ8:19 pmMontrose County

$282

Find similar

United Airlines

Aug 13

MTJ1:35 pmMontrose County

4h 50m

1 stop

ONT5:25 pmOntario

Aug 16

ONT5:05 amOntario

6h 43m

1 stop

MTJ12:48 pmMontrose County

$318

Find similar

American Airlines flights from Montrose to Ontario

Our best American Airlines deals on Montrose to Ontario flight tickets

American Airlines

Aug 1

MTJ10:37 amMontrose County

12h 01m

2 stops

ONT9:38 pmOntario

Aug 4

ONT12:59 amOntario

7h 58m

1 stop

MTJ9:57 amMontrose County

$344

Find similar

American Airlines

Aug 1

MTJ2:37 pmMontrose County

8h 33m

1 stop

ONT10:10 pmOntario

Aug 4

ONT11:59 pmOntario

8h 58m

1 stop

MTJ9:57 amMontrose County

$425

Find similar

American Airlines

Aug 2

MTJ10:31 amMontrose County

12h 07m

2 stops

ONT9:38 pmOntario

Aug 5

ONT11:59 pmOntario

9h 00m

1 stop

MTJ9:59 amMontrose County

$527

Find similar

How to get the cheapest flight ticket from Montrose to Ontario

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 Ontario?

The cheapest day to depart on your flight to Ontario is on a Thursday when prices can be found for as low as $405. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Montrose to Ontario for around $615.

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

At noon is the cheapest time of day to fly from Montrose to Ontario when you can find flight prices for as low as $466. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $498 on average. Flights to Ontario from Montrose in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Montrose to Ontario

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

Estimated round-trip price

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

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

Best Price Found	$139
Fastest flight time	4h 46m
Direct flights	None
Airports in Ontario	1 airport

The best one-way flight to Ontario from Montrose in the past 72 hours is $139. The best round-trip flight deal from Montrose to Ontario found on momondo in the last 72 hours is $277.

The fastest flight from Montrose to Ontario takes 4h 46m

There are no direct flights from Montrose to Ontario. Popular non-direct route for this connection is Montrose County Airport - Ontario Airport.

There is 1 airport near Ontario: Ontario (ONT)

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How far is Montrose County to Ontario by plane?
Montrose County and Ontario are 623.2 mi apart from one another. Typically, this will take 4h 50m by plane in normal conditions.
When did momondo last update prices for flights from Montrose County Airport to Ontario Airport?
Prices for flights from Montrose County Airport to Ontario Airport refresh daily.
How many operators does momondo search for flights from Montrose County Airport to Ontario Airport?
The number of operators available for flights from Montrose County Airport to Ontario Airport is 1 as of July 2025.
How old do you have to be to fly from Montrose County Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montrose County Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario 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 Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Montrose to Ontario?
momondo data reveals that the most frequently booked airline on the route from Montrose to Ontario is United Airlines, representing 100% of all bookings.

Best airlines flying from Montrose to Ontario

Compare and see reviews for airlines that fly from Montrose to Ontario with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $306	Free Cancellation	Rating 7.4 8,864 reviews		Search United Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Montrose.

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

All flight searches from Montrose to Ontario on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Montrose and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Ontario from Montrose. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.