What airlines fly to Ontario?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Ontario from Montrose according to our data. United Airlines is the first choice among our users, with 41% 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 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.

$294 Cheap Flights from Montrose to Ontario in 2025/26

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Find the cheapest flights from Montrose to Los Angeles

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Cheap round-trip flights

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3:28 pm - 8:58 pmMTJ-ONT

6h 30m1 stop

1:24 pm - 2:32 pmONT-MTJ

24h 08m1 stop

$363United Airlines

Find Deal

Fri, Jan 30 - Sat, Feb 7

3:28 pm - 8:58 pmMTJ-ONT

6h 30m1 stop

1:24 pm - 8:17 pmONT-MTJ

5h 53m1 stop

$401United Airlines

Find Deal

Fri, Jan 30 - Sat, Feb 7

3:28 pm - 8:58 pmMTJ-ONT

6h 30m1 stop

1:45 pm - 2:37 pmONT-MTJ

23h 52m1 stop

$408United Airlines

Find Deal

Fri, Feb 6 - Sat, Feb 14

7:15 am - 12:43 pmMTJ-ONT

6h 28m1 stop

5:00 am - 12:27 pmONT-MTJ

6h 27m1 stop

$452United Airlines

Find Deal

Sat, Feb 21 - Tue, Feb 24

7:15 am - 12:43 pmMTJ-ONT

6h 28m1 stop

1:45 pm - 2:37 pmONT-MTJ

23h 52m2 stops

$531United Airlines

Find Deal

Sat, Feb 21 - Tue, Feb 24

7:15 am - 12:33 pmMTJ-ONT

6h 18m1 stop

5:05 am - 12:32 pmONT-MTJ

6h 27m1 stop

$555United Airlines

Find Deal

Mon, Dec 1 - Fri, Dec 5

7:15 am - 12:43 pmMTJ-ONT

6h 28m1 stop

6:00 am - 2:37 pmONT-MTJ

7h 37m2 stops

$577United Airlines

Find Deal

Sat, Feb 21 - Tue, Feb 24

7:15 am - 12:33 pmMTJ-ONT

6h 18m1 stop

5:05 am - 12:29 pmONT-MTJ

6h 24m1 stop

$591United Airlines

Find Deal

Wed, Nov 26 - Mon, Dec 1

7:15 am - 8:33 pmMTJ-ONT

14h 18m1 stop

5:05 am - 12:32 pmONT-MTJ

6h 27m1 stop

$609United Airlines

Find Deal

Sat, Nov 29 - Wed, Dec 3

7:15 am - 12:32 pmMTJ-ONT

6h 17m1 stop

5:05 am - 12:29 pmONT-MTJ

6h 24m1 stop

$701United Airlines

Find Deal

Thu, Nov 27 - Sat, Nov 29

United Airlines flights from Montrose to Ontario

Our best United Airlines deals on Montrose to Ontario flight tickets

United Airlines

Jan 30

MTJ3:28 pmMontrose County

6h 30m

1 stop

ONT8:58 pmOntario

Feb 7

ONT1:24 pmOntario

24h 08m

1 stop

MTJ2:32 pmMontrose County

$363

Find similar

United Airlines

Nov 17

MTJ7:15 amMontrose County

6h 18m

1 stop

ONT12:33 pmOntario

Nov 20

ONT1:29 pmOntario

5h 51m

1 stop

MTJ8:20 pmMontrose County

$379

Find similar

United Airlines

Jan 30

MTJ3:28 pmMontrose County

6h 30m

1 stop

ONT8:58 pmOntario

Feb 7

ONT1:24 pmOntario

5h 53m

1 stop

MTJ8:17 pmMontrose County

$401

Find similar

American Airlines flights from Montrose to Ontario

Our best American Airlines deals on Montrose to Ontario flight tickets

American Airlines

Nov 20

MTJ7:00 amMontrose County

8h 02m

1 stop

ONT2:02 pmOntario

Nov 24

ONT4:47 pmOntario

26h 01m

2 stops

MTJ7:48 pmMontrose County

$404

Find similar

American Airlines

Nov 20

MTJ7:00 amMontrose County

10h 01m

2 stops

ONT4:01 pmOntario

Nov 24

ONT12:55 pmOntario

29h 53m

2 stops

MTJ7:48 pmMontrose County

$455

Find similar

American Airlines

Nov 20

MTJ7:00 amMontrose County

8h 02m

1 stop

ONT2:02 pmOntario

Nov 24

ONT7:00 amOntario

35h 48m

1 stop

MTJ7:48 pmMontrose County

$499

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Fri 1/30

3:28 pm-8:58 pm

1 stop6h 30m

Ontario

Sat 2/7

1:24 pm-2:32 pm

1 stop24h 08m

$363

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Fri 1/30

3:28 pm-8:58 pm

1 stop6h 30m

Ontario

Sat 2/7

1:24 pm-8:17 pm

1 stop5h 53m

$401

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Fri 2/6

3:28 pm-8:58 pm

1 stop6h 30m

Ontario

Sat 2/14

1:45 pm-2:37 pm

1 stop23h 52m

$408

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Sat 2/21

7:15 am-12:43 pm

1 stop6h 28m

Ontario

Tue 2/24

5:00 am-12:27 pm

1 stop6h 27m

$452

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Sat 2/21

7:15 am-12:43 pm

1 stop6h 28m

Ontario

Tue 2/24

1:45 pm-2:37 pm

2 stops23h 52m

$531

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Mon 12/1

7:15 am-12:33 pm

1 stop6h 18m

Ontario

Fri 12/5

5:05 am-12:32 pm

1 stop6h 27m

$555

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Sat 2/21

7:15 am-12:43 pm

1 stop6h 28m

Ontario

Tue 2/24

6:00 am-2:37 pm

2 stops7h 37m

$577

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Wed 11/26

7:15 am-12:33 pm

1 stop6h 18m

Ontario

Mon 12/1

5:05 am-12:29 pm

1 stop6h 24m

$591

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Sat 11/29

7:15 am-8:33 pm

1 stop14h 18m

Ontario

Wed 12/3

5:05 am-12:32 pm

1 stop6h 27m

$609

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Thu 11/27

7:15 am-12:32 pm

1 stop6h 17m

Ontario

Sat 11/29

5:05 am-12:29 pm

1 stop6h 24m

$701

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Direct flights	None

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

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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 6h 17m 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 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.

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.