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Cheap flights from Montrose to Los Angeles from $238

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montrose to Los Angeles departing on 7/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Montrose to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:24 pm - 8:53 pm
MTJ
-
ONT
6h 29m
1 stop
United Airlines Logo
5:00 am - 12:45 pm
ONT
-
MTJ
6h 45m
1 stop
$299United Airlines
Fri, Aug 21 - Sun, Aug 23
United Airlines Logo
3:24 pm - 10:59 pm
MTJ
-
ONT
8h 35m
2 stops
United Airlines Logo
5:00 am - 12:45 pm
ONT
-
MTJ
6h 45m
1 stop
$304United Airlines
Fri, Aug 21 - Sun, Aug 23
Southwest Logo
9:10 am - 3:05 pm
MTJ
-
ONT
6h 55m
2 stops
Southwest Logo
10:05 am - 7:50 pm
ONT
-
MTJ
8h 45m
2 stops
$309Southwest
Fri, Aug 21 - Sun, Aug 23
United Airlines Logo
1:35 pm - 8:06 pm
MTJ
-
ONT
7h 31m
2 stops
United Airlines Logo
5:00 am - 12:34 pm
ONT
-
MTJ
6h 34m
1 stop
$322United Airlines
Tue, Nov 3 - Sat, Nov 7
Southwest Logo
9:10 am - 2:00 pm
MTJ
-
ONT
5h 50m
1 stop
Southwest Logo
2:00 pm - 7:20 pm
ONT
-
MTJ
4h 20m
1 stop
$323Southwest
Thu, Sep 24 - Mon, Sep 28
United Airlines Logo
1:35 pm - 8:06 pm
MTJ
-
ONT
7h 31m
2 stops
United Airlines Logo
9:00 am - 8:10 pm
ONT
-
MTJ
10h 10m
2 stops
$327United Airlines
Tue, Nov 3 - Sat, Nov 7
Southwest Logo
9:10 am - 2:00 pm
MTJ
-
ONT
5h 50m
1 stop
Southwest Logo
10:55 am - 7:20 pm
ONT
-
MTJ
7h 25m
2 stops
$328Southwest
Thu, Sep 24 - Mon, Sep 28
Southwest Logo
9:10 am - 5:50 pm
MTJ
-
ONT
9h 40m
2 stops
Southwest Logo
10:55 am - 7:20 pm
ONT
-
MTJ
7h 25m
2 stops
$347Southwest
Thu, Sep 24 - Mon, Sep 28
United Airlines Logo
1:35 pm - 8:06 pm
MTJ
-
ONT
7h 31m
2 stops
United Airlines Logo
9:00 am - 8:10 pm
ONT
-
MTJ
10h 10m
2 stops
$354United Airlines
Tue, Nov 3 - Sat, Nov 7
Southwest Logo
9:10 am - 2:00 pm
MTJ
-
ONT
5h 50m
1 stop
Southwest Logo
2:05 pm - 7:50 pm
ONT
-
MTJ
4h 45m
1 stop
$358Southwest
Fri, Sep 11 - Sun, Sep 13

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United Airlines flights from Montrose to Ontario

Our best United Airlines deals on Montrose to Ontario flight tickets
United Airlines
Aug 21
MTJ3:24 pmMontrose County
6h 29m
1 stop
ONT8:53 pmOntario
Aug 23
ONT5:00 amOntario
6h 45m
1 stop
MTJ12:45 pmMontrose County
$299
United Airlines
Aug 21
MTJ3:24 pmMontrose County
8h 35m
2 stops
ONT10:59 pmOntario
Aug 23
ONT5:00 amOntario
6h 45m
1 stop
MTJ12:45 pmMontrose County
$304
United Airlines
Nov 3
MTJ1:35 pmMontrose County
7h 31m
2 stops
ONT8:06 pmOntario
Nov 7
ONT5:00 amOntario
6h 34m
1 stop
MTJ12:34 pmMontrose County
$322

Southwest flights from Montrose to Ontario

Our best Southwest deals on Montrose to Ontario flight tickets
Southwest
Aug 21
MTJ9:10 amMontrose County
6h 55m
2 stops
ONT3:05 pmOntario
Aug 23
ONT10:05 amOntario
8h 45m
2 stops
MTJ7:50 pmMontrose County
$309
Southwest
Sep 24
MTJ9:10 amMontrose County
5h 50m
1 stop
ONT2:00 pmOntario
Sep 28
ONT2:00 pmOntario
4h 20m
1 stop
MTJ7:20 pmMontrose County
$323
Southwest
Sep 24
MTJ9:10 amMontrose County
5h 50m
1 stop
ONT2:00 pmOntario
Sep 28
ONT10:55 amOntario
7h 25m
2 stops
MTJ7:20 pmMontrose County
$328

momondo 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, momondo users made 832,500 searches. Data last updated July 16, 2026.
Use the filters below to find and compare flights from Montrose to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Fri 8/21

3:24 pm-8:53 pm

1 stop6h 29m

Ontario

Sun 8/23

5:00 am-12:45 pm

1 stop6h 45m

$299

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Fri 8/21

3:24 pm-10:59 pm

2 stops8h 35m

Ontario

Sun 8/23

5:00 am-12:45 pm

1 stop6h 45m

$304

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Fri 8/21

9:10 am-3:05 pm

2 stops6h 55m

Ontario

Sun 8/23

10:05 am-7:50 pm

2 stops8h 45m

$309

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Tue 11/3

1:35 pm-8:06 pm

2 stops7h 31m

Ontario

Sat 11/7

5:00 am-12:34 pm

1 stop6h 34m

$322
Quickest round-trip

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Thu 9/24

9:10 am-2:00 pm

1 stop5h 50m

Ontario

Mon 9/28

2:00 pm-7:20 pm

1 stop4h 20m

$323

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Tue 11/3

1:35 pm-8:06 pm

2 stops7h 31m

Ontario

Sat 11/7

9:00 am-8:10 pm

2 stops10h 10m

$327

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Thu 9/24

9:10 am-2:00 pm

1 stop5h 50m

Ontario

Mon 9/28

10:55 am-7:20 pm

2 stops7h 25m

$328

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Thu 9/24

9:10 am-5:50 pm

2 stops9h 40m

Ontario

Mon 9/28

10:55 am-7:20 pm

2 stops7h 25m

$347

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Tue 11/3

1:35 pm-8:06 pm

2 stops7h 31m

Ontario

Sat 11/7

9:00 am-8:10 pm

2 stops10h 10m

$354

MontroseOntario

MTJ - ONT

MTJONT

Montrose County

Fri 9/11

9:10 am-2:00 pm

1 stop5h 50m

Ontario

Sun 9/13

2:05 pm-7:50 pm

1 stop4h 45m

$358

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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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

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

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

What airlines fly to Ontario?

United Airlines, American Airlines and Breeze Airways 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 39% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 4 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

Fastest flight time

5h 50m

Direct flights

None
The fastest flight from Montrose to Ontario takes 5h 50m
There are no direct flights from Montrose to Ontario. There are no popular flight routes from Montrose to Ontario.
Search flight deals

Frequently asked questions about flying from Montrose to Ontario

  • 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 5h 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 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.

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