Cheap flights from Miami to Los Angeles from $110

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 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Frontier Logo
7:15 am - 11:53 amMIA-ONT
7h 38m1 stop
Frontier Logo
5:14 pm - 5:45 amONT-MIA
9h 31m1 stop
$219Frontier
Find Deal
Fri, Aug 15 - Sun, Aug 17
Frontier Logo
7:15 am - 4:19 pmMIA-ONT
12h 04m1 stop
Frontier Logo
5:21 pm - 6:30 amONT-MIA
10h 09m1 stop
$223Frontier
Find Deal
Thu, Jul 24 - Sat, Aug 2
Frontier Logo
7:15 am - 11:53 amMIA-ONT
7h 38m1 stop
Frontier Logo
5:21 pm - 6:30 amONT-MIA
10h 09m1 stop
$239Frontier
Find Deal
Mon, Aug 11 - Wed, Aug 13
Frontier Logo
7:15 am - 4:19 pmMIA-ONT
12h 04m1 stop
Frontier Logo
5:14 pm - 5:45 amONT-MIA
9h 31m1 stop
$240Frontier
Find Deal
Thu, Aug 14 - Sun, Aug 17
Frontier Logo
6:00 am - 11:50 pmMIA-ONT
20h 50m1 stop
Frontier Logo
5:21 pm - 6:30 amONT-MIA
10h 09m1 stop
$244Frontier
Find Deal
Tue, Aug 5 - Wed, Aug 6
Frontier Logo
7:15 am - 4:19 pmMIA-ONT
12h 04m1 stop
Frontier Logo
12:59 am - 6:30 amONT-MIA
26h 31m1 stop
$245Frontier
Find Deal
Thu, Aug 14 - Tue, Aug 19
Delta Logo
6:00 am - 10:35 amMIA-ONT
7h 35m1 stop
Delta Logo
11:45 am - 12:24 amONT-MIA
9h 39m1 stop
$288Delta
Find Deal
Sat, Aug 23 - Sun, Aug 31
Alaska Airlines Logo
6:20 pm - 11:05 amMIA-ONT
19h 45m1 stop
Alaska Airlines Logo
6:58 pm - 5:20 pmONT-MIA
19h 22m1 stop
$298Alaska Airlines
Find Deal
Thu, Aug 14 - Mon, Aug 18
Delta Logo
6:00 am - 10:35 amMIA-ONT
7h 35m1 stop
Delta Logo
7:05 am - 6:25 pmONT-MIA
8h 20m1 stop
$299Delta
Find Deal
Thu, Aug 14 - Wed, Aug 20
 Logo
7:15 am - 4:19 pmMIA-ONT
12h 04m1 stop
 Logo
5:14 pm - 5:38 amONT-MIA
9h 24m1 stop
Thu, Jul 31 - Thu, Aug 7

Delta flights from Miami to Ontario

Our best Delta deals on Miami to Ontario flight tickets
Delta
Aug 23
MIA6:00 amMiami
7h 35m
1 stop
ONT10:35 amOntario
Aug 31
ONT11:45 amOntario
9h 39m
1 stop
MIA12:24 amMiami
Delta
Aug 14
MIA6:00 amMiami
7h 35m
1 stop
ONT10:35 amOntario
Aug 20
ONT7:05 amOntario
8h 20m
1 stop
MIA6:25 pmMiami
Delta
Aug 22
MIA4:25 pmMiami
8h 55m
1 stop
ONT10:20 pmOntario
Aug 30
ONT11:45 amOntario
9h 39m
1 stop
MIA12:24 amMiami

Frontier flights from Miami to Ontario

Our best Frontier deals on Miami to Ontario flight tickets
Frontier
Aug 15
MIA7:15 amMiami
7h 38m
1 stop
ONT11:53 amOntario
Aug 17
ONT5:14 pmOntario
9h 31m
1 stop
MIA5:45 amMiami
Frontier
Jul 24
MIA7:15 amMiami
12h 04m
1 stop
ONT4:19 pmOntario
Aug 2
ONT5:21 pmOntario
10h 09m
1 stop
MIA6:30 amMiami
Frontier
Aug 11
MIA7:15 amMiami
7h 38m
1 stop
ONT11:53 amOntario
Aug 13
ONT5:21 pmOntario
10h 09m
1 stop
MIA6:30 amMiami

See travel insights to Los Angeles from

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 $266. If you aren’t able to travel during the month of August, then book flights to Ontario from Miami during September instead. Flights to Ontario in September, while not as cheap as those in August, still average around $286.

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 July 2025, prices for Miami to Ontario flights are approximately 0% 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

Best Price Found

$110

Fastest flight time

7h 29m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from Miami in the past 72 hours is $110. The best round-trip flight deal from Miami to Ontario found on momondo in the last 72 hours is $219.
The fastest flight from Miami to Ontario takes 7h 29m
There are no direct flights from Miami to Ontario. Popular non-direct route for this connection is Miami Airport - Ontario Airport.
There is 1 airport near Ontario: Ontario (ONT)

  • How far is Miami to Ontario by plane?

    A flight from Miami to Ontario will travel around 2299.8 mi. 7h 35m 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
5.9
3,261 reviews
Search Frontier flights
American AirlinesPriceFrom $236Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $253Free CancellationRating
8.0
7,956 reviews
Search Delta flights
United AirlinesPriceFrom $256Free CancellationRating
7.4
8,858 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.


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1 adult
Sat 7/19
Sat 7/26

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