Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Miami to Los Angeles from $67

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 2/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Miami to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:25 am - 11:59 pm
MIA
-
ONT
20h 34m1 stop
Frontier Logo
6:10 am - 5:14 am
ONT
-
MIA
20h 04m1 stop
$149Frontier
Fri, Feb 20 - Mon, Feb 23
Frontier Logo
5:47 pm - 12:20 am
MIA
-
ONT
9h 33m1 stop
Frontier Logo
6:20 am - 4:37 pm
ONT
-
MIA
7h 17m1 stop
$161Frontier
Thu, Jan 22 - Mon, Jan 26
Frontier Logo
5:47 pm - 12:20 am
MIA
-
ONT
9h 33m1 stop
Frontier Logo
7:15 am - 5:12 pm
ONT
-
MIA
6h 57m1 stop
$166Frontier
Thu, Jan 22 - Tue, Jan 27
Frontier Logo
1:00 pm - 12:43 pm
MIA
-
ONT
26h 43m1 stop
Frontier Logo
7:15 am - 5:12 pm
ONT
-
MIA
6h 57m1 stop
$182Frontier
Thu, Jan 29 - Sat, Feb 7
Frontier Logo
10:07 am - 10:59 pm
MIA
-
ONT
15h 52m1 stop
Frontier Logo
7:15 am - 5:12 pm
ONT
-
MIA
6h 57m1 stop
$183Frontier
Wed, Jan 14 - Wed, Jan 21
Frontier Logo
1:00 pm - 12:43 pm
MIA
-
ONT
26h 43m1 stop
Frontier Logo
6:20 am - 4:37 pm
ONT
-
MIA
7h 17m1 stop
$184Frontier
Thu, Jan 29 - Mon, Feb 2
Frontier Logo
6:45 am - 11:59 pm
MIA
-
ONT
20h 14m1 stop
Frontier Logo
6:00 am - 5:14 am
ONT
-
MIA
20h 14m1 stop
$187Frontier
Thu, Feb 19 - Sat, Feb 21
Frontier Logo
7:00 am - 12:20 am
MIA
-
ONT
20h 20m1 stop
Frontier Logo
7:15 am - 5:12 pm
ONT
-
MIA
6h 57m1 stop
$195Frontier
Mon, Jan 26 - Wed, Jan 28
Frontier Logo
7:00 am - 12:20 am
MIA
-
ONT
20h 20m1 stop
Frontier Logo
6:20 am - 4:37 pm
ONT
-
MIA
7h 17m1 stop
$204Frontier
Mon, Jan 26 - Thu, Jan 29
Frontier Logo
7:05 am - 4:31 pm
MIA
-
ONT
12h 26m1 stop
Frontier Logo
8:31 am - 1:13 am
ONT
-
MIA
13h 42m1 stop
$207Frontier
Sat, Dec 20 - Thu, Jan 8

Frontier flights from Miami to Ontario

Our best Frontier deals on Miami to Ontario flight tickets
Frontier
Feb 20
MIA6:25 amMiami
20h 34m
1 stop
ONT11:59 pmOntario
Feb 23
ONT6:10 amOntario
20h 04m
1 stop
MIA5:14 amMiami
$149
Find similar
Frontier
Jan 22
MIA5:47 pmMiami
9h 33m
1 stop
ONT12:20 amOntario
Jan 26
ONT6:20 amOntario
7h 17m
1 stop
MIA4:37 pmMiami
$161
Find similar
Frontier
Jan 22
MIA5:47 pmMiami
9h 33m
1 stop
ONT12:20 amOntario
Jan 27
ONT7:15 amOntario
6h 57m
1 stop
MIA5:12 pmMiami
$166
Find similar

Alaska Airlines flights from Miami to Ontario

Our best Alaska Airlines deals on Miami to Ontario flight tickets
Alaska Airlines
Jan 21
MIA6:34 pmMiami
23h 34m
1 stop
ONT3:08 pmOntario
Jan 24
ONT4:03 pmOntario
22h 31m
1 stop
MIA5:34 pmMiami
$246
Find similar
Alaska Airlines
Feb 6
MIA6:34 pmMiami
23h 34m
1 stop
ONT3:08 pmOntario
Feb 8
ONT6:00 amOntario
32h 34m
1 stop
MIA5:34 pmMiami
$266
Find similar
Alaska Airlines
Mar 6
MIA5:59 pmMiami
32h 33m
1 stop
ONT11:32 pmOntario
Mar 15
ONT6:14 amOntario
31h 45m
1 stop
MIA4:59 pmMiami
$296
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 December 11, 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

Fri 2/20

6:25 am-11:59 pm

1 stop20h 34m

Ontario

Mon 2/23

6:10 am-5:14 am

1 stop20h 04m

$149

MiamiOntario

MIA - ONT

MIAONT

Miami

Thu 1/22

5:47 pm-12:20 am

1 stop9h 33m

Ontario

Mon 1/26

6:20 am-4:37 pm

1 stop7h 17m

$161

MiamiOntario

MIA - ONT

MIAONT

Miami

Thu 1/22

5:47 pm-12:20 am

1 stop9h 33m

Ontario

Tue 1/27

7:15 am-5:12 pm

1 stop6h 57m

$166

MiamiOntario

MIA - ONT

MIAONT

Miami

Thu 1/29

1:00 pm-12:43 pm

1 stop26h 43m

Ontario

Sat 2/7

7:15 am-5:12 pm

1 stop6h 57m

$182

MiamiOntario

MIA - ONT

MIAONT

Miami

Wed 1/14

10:07 am-10:59 pm

1 stop15h 52m

Ontario

Wed 1/21

7:15 am-5:12 pm

1 stop6h 57m

$183

MiamiOntario

MIA - ONT

MIAONT

Miami

Thu 1/29

1:00 pm-12:43 pm

1 stop26h 43m

Ontario

Mon 2/2

6:20 am-4:37 pm

1 stop7h 17m

$184

MiamiOntario

MIA - ONT

MIAONT

Miami

Thu 2/19

6:45 am-11:59 pm

1 stop20h 14m

Ontario

Sat 2/21

6:00 am-5:14 am

1 stop20h 14m

$187

MiamiOntario

MIA - ONT

MIAONT

Miami

Mon 1/26

7:00 am-12:20 am

1 stop20h 20m

Ontario

Wed 1/28

7:15 am-5:12 pm

1 stop6h 57m

$195

MiamiOntario

MIA - ONT

MIAONT

Miami

Mon 1/26

7:00 am-12:20 am

1 stop20h 20m

Ontario

Thu 1/29

6:20 am-4:37 pm

1 stop7h 17m

$204

MiamiOntario

MIA - ONT

MIAONT

Miami

Sat 12/20

7:05 am-4:31 pm

1 stop12h 26m

Ontario

Thu 1/8

8:31 am-1:13 am

1 stop13h 42m

$207

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, January 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 $280. If you aren’t able to travel during the month of January, then book flights to Ontario from Miami during February instead. Flights to Ontario in February, while not as cheap as those in January, still average around $298.

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 December 2025, prices for Miami to Ontario flights are approximately 73% 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

Fastest flight time

7h 21m

Direct flights

None
The fastest flight from Miami to Ontario takes 7h 21m
There are no direct flights from Miami to Ontario. There are no popular flight routes from Miami to Ontario.
Search flight deals

  • How far is Miami to Ontario by plane?

    A flight from Miami to Ontario will travel around 2299.8 mi. 7h 21m 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
3,084 reviews
Search Frontier flights
DeltaPriceFrom $253Free CancellationRating
7.9
8,008 reviews
Search Delta flights
American AirlinesPriceFrom $305Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
United AirlinesPriceFrom $336Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
SouthwestPriceFrom $392Free CancellationRating
7.9
4,253 reviews
Search Southwest 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 1/10
Sat 1/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States