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Cheap flights from Miami to Los Angeles from $97

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Miami to Los Angeles departing on 11/2. 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
0 bags

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Find the cheapest flights from Miami to Los Angeles

Cheap round-trip flights

Frontier Logo
8:00 am - 4:28 pmMIA-ONT
11h 28m1 stop
Frontier Logo
12:32 pm - 2:38 pmONT-MIA
23h 06m1 stop
$158Frontier
Find Deal
Mon, Oct 13 - Thu, Oct 16
Frontier Logo
8:00 am - 6:49 pmMIA-ONT
13h 49m1 stop
Frontier Logo
1:46 pm - 2:30 pmONT-MIA
21h 44m1 stop
$159Frontier
Find Deal
Fri, Nov 7 - Sun, Nov 9
Frontier Logo
8:00 am - 6:49 pmMIA-ONT
13h 49m1 stop
Frontier Logo
8:24 am - 10:27 pmONT-MIA
11h 03m1 stop
$160Frontier
Find Deal
Fri, Oct 31 - Mon, Nov 3
Frontier Logo
6:00 am - 9:35 amMIA-ONT
30h 35m1 stop
Frontier Logo
12:32 pm - 2:38 pmONT-MIA
23h 06m1 stop
$161Frontier
Find Deal
Thu, Oct 16 - Thu, Oct 23
Frontier Logo
6:00 am - 9:35 amMIA-ONT
30h 35m1 stop
Frontier Logo
12:32 pm - 2:38 pmONT-MIA
23h 06m1 stop
$162Frontier
Find Deal
Thu, Oct 16 - Thu, Oct 23
Frontier Logo
6:00 am - 11:50 pmMIA-ONT
20h 50m1 stop
Frontier Logo
6:53 am - 6:19 amONT-MIA
20h 26m1 stop
$163Frontier
Find Deal
Sat, Oct 18 - Wed, Oct 22
Frontier Logo
8:00 am - 4:28 pmMIA-ONT
11h 28m1 stop
Frontier Logo
8:34 am - 12:50 amONT-MIA
13h 16m1 stop
$170Frontier
Find Deal
Mon, Oct 20 - Fri, Oct 24
Frontier Logo
6:00 am - 11:10 amMIA-ONT
8h 10m1 stop
Frontier Logo
8:24 am - 10:27 pmONT-MIA
11h 03m1 stop
$173Frontier
Find Deal
Sat, Nov 1 - Mon, Nov 3
Multiple Airlines Logo
1:27 pm - 11:38 pmMIA-ONT
13h 11m2 stops
Multiple Airlines Logo
12:32 pm - 6:28 pmONT-MIA
26h 56m1 stop
$249Multiple Airlines
Find Deal
Thu, Oct 2 - Thu, Oct 16
Multiple Airlines Logo
7:54 pm - 11:33 amMIA-ONT
18h 39m1 stop
Multiple Airlines Logo
12:32 pm - 2:38 pmONT-MIA
23h 06m1 stop
$250Multiple Airlines
Find Deal
Wed, Oct 1 - Thu, Oct 16

Frontier flights from Miami to Ontario

Our best Frontier deals on Miami to Ontario flight tickets
Frontier
Oct 13
MIA8:00 amMiami
11h 28m
1 stop
ONT4:28 pmOntario
Oct 16
ONT12:32 pmOntario
23h 06m
1 stop
MIA2:38 pmMiami
$158
Find similar
Frontier
Nov 7
MIA8:00 amMiami
13h 49m
1 stop
ONT6:49 pmOntario
Nov 9
ONT1:46 pmOntario
21h 44m
1 stop
MIA2:30 pmMiami
$159
Find similar
Frontier
Oct 31
MIA8:00 amMiami
13h 49m
1 stop
ONT6:49 pmOntario
Nov 3
ONT8:24 amOntario
11h 03m
1 stop
MIA10:27 pmMiami
$160
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Miami 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 September 17, 2025.
Use the filters below to find and compare flights from Miami to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MiamiOntario

MIA - ONT

MIAONT

Miami

Mon 10/13

8:00 am-4:28 pm

1 stop11h 28m

Ontario

Thu 10/16

12:32 pm-2:38 pm

1 stop23h 06m

$158

MiamiOntario

MIA - ONT

MIAONT

Miami

Fri 11/7

8:00 am-6:49 pm

1 stop13h 49m

Ontario

Sun 11/9

1:46 pm-2:30 pm

1 stop21h 44m

$159

MiamiOntario

MIA - ONT

MIAONT

Miami

Fri 10/31

8:00 am-6:49 pm

1 stop13h 49m

Ontario

Mon 11/3

8:24 am-10:27 pm

1 stop11h 03m

$160

MiamiOntario

MIA - ONT

MIAONT

Miami

Thu 10/16

6:00 am-9:35 am

1 stop30h 35m

Ontario

Thu 10/23

12:32 pm-2:38 pm

1 stop23h 06m

$161

MiamiOntario

MIA - ONT

MIAONT

Miami

Thu 10/16

6:00 am-9:35 am

1 stop30h 35m

Ontario

Thu 10/23

12:32 pm-2:38 pm

1 stop23h 06m

$162

MiamiOntario

MIA - ONT

MIAONT

Miami

Sat 10/18

6:00 am-11:50 pm

1 stop20h 50m

Ontario

Wed 10/22

6:53 am-6:19 am

1 stop20h 26m

$163

MiamiOntario

MIA - ONT

MIAONT

Miami

Mon 10/20

8:00 am-4:28 pm

1 stop11h 28m

Ontario

Fri 10/24

8:34 am-12:50 am

1 stop13h 16m

$170

MiamiOntario

MIA - ONT

MIAONT

Miami

Sat 11/1

6:00 am-11:10 am

1 stop8h 10m

Ontario

Mon 11/3

8:24 am-10:27 pm

1 stop11h 03m

$173

MiamiOntario

MIA - ONT

MIAONT

Miami

Thu 10/2

1:27 pm-11:38 pm

2 stops13h 11m

Ontario

Thu 10/16

12:32 pm-6:28 pm

1 stop26h 56m

$249

MiamiOntario

MIA - ONT

MIAONT

Miami

Wed 10/1

7:54 pm-11:33 am

1 stop18h 39m

Ontario

Thu 10/16

12:32 pm-2:38 pm

1 stop23h 06m

$250

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Miami 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 month to fly to Ontario?

In general, August is the cheapest month to fly from Miami to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $336. If you aren’t able to travel during the month of August, then book flights to Ontario from Miami during November instead. Flights to Ontario in November, while not as cheap as those in August, still average around $339.

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 $286. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Miami to Ontario for around $499.

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

In the afternoon is the cheapest time of day to fly from Miami to Ontario when you can find flight prices for as low as $294. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $437 on average. Flights to Ontario from Miami at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How have Miami to Ontario flight prices changed over time?

As of September 2025, prices for Miami to Ontario flights are approximately 32% more expensive when compared to flights at the same time last year.

When to book flights from Miami to Ontario

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

Cheap Miami to Ontario (MIA to ONT) flight deals and tips

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

Direct flights

None
There are no direct flights from Miami to Ontario. There are no popular flight routes from Miami to Ontario.
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  • How far is Miami to Ontario by plane?

    A flight from Miami to Ontario will travel around 2299.8 mi. 8h 10m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Miami Airport to Ontario Airport?

    Prices for flights from Miami Airport to Ontario Airport refresh daily.

  • How many operators does momondo search for flights from Miami Airport to Ontario Airport?

  • How old do you have to be to fly from Miami Airport to Ontario Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Miami Airport to Ontario Airport.

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

    The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Miami to Ontario?

Best airlines flying from Miami to Ontario

Compare and see reviews for airlines that fly from Miami to Ontario with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $170Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
DeltaPriceFrom $253Free CancellationRating
7.9
7,961 reviews
Search Delta flights
American AirlinesPriceFrom $317Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $336Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Miami 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 Miami.

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

Flights from Miami to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Miami to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Ontario from Miami. 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.

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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