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Cheap flights from Miami to Los Angeles from $108

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 8/26. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Miami to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:00 am - 2:37 pm
MIA
-
ONT
9h 37m
1 stop
Frontier Logo
3:47 pm - 11:00 pm
ONT
-
MIA
28h 13m
1 stop
$230Frontier
Thu, Nov 5 - Sun, Nov 8
Frontier Logo
11:25 am - 5:48 pm
MIA
-
ONT
9h 23m
1 stop
Frontier Logo
11:45 am - 5:59 pm
ONT
-
MIA
27h 14m
2 stops
$234Frontier
Thu, Sep 24 - Mon, Sep 28
Frontier Logo
9:59 am - 7:32 am
MIA
-
ONT
24h 33m
1 stop
Frontier Logo
7:56 pm - 11:55 pm
ONT
-
MIA
24h 59m
2 stops
$234Frontier
Sat, Aug 29 - Sat, Sep 5
American Airlines Logo
11:09 am - 3:16 pm
MIA
-
ONT
7h 07m
1 stop
American Airlines Logo
2:22 pm - 11:59 pm
ONT
-
MIA
6h 37m
1 stop
$413American Airlines
Sat, Oct 24 - Sat, Oct 31
Delta Logo
7:05 am - 12:14 pm
MIA
-
ONT
8h 09m
1 stop
Delta Logo
12:17 pm - 12:55 am
ONT
-
MIA
9h 38m
1 stop
$413Delta
Wed, Sep 9 - Sat, Sep 19
Southwest Logo
2:25 pm - 9:00 pm
MIA
-
ONT
9h 35m
2 stops
Southwest Logo
11:55 pm - 1:05 pm
ONT
-
MIA
10h 10m
1 stop
$418Southwest
Wed, Sep 23 - Sat, Sep 26
Southwest Logo
6:45 am - 2:05 pm
MIA
-
ONT
10h 20m
2 stops
Southwest Logo
5:45 am - 8:00 pm
ONT
-
MIA
11h 15m
2 stops
$423Southwest
Tue, Aug 25 - Tue, Sep 1
Delta Logo
7:15 am - 12:16 pm
MIA
-
ONT
8h 01m
1 stop
Delta Logo
12:00 pm - 12:47 am
ONT
-
MIA
9h 47m
1 stop
$423Delta
Sat, Aug 22 - Sat, Sep 5
Delta Logo
7:00 am - 12:21 pm
MIA
-
ONT
8h 21m
1 stop
Delta Logo
5:05 pm - 6:08 am
ONT
-
MIA
10h 03m
1 stop
$423Delta
Fri, Oct 30 - Wed, Jan 27
American Airlines Logo
1:35 pm - 6:18 pm
MIA
-
ONT
7h 43m
1 stop
American Airlines Logo
11:59 pm - 10:51 am
ONT
-
MIA
7h 52m
1 stop
$425American Airlines
Thu, Dec 3 - Tue, Dec 8

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Frontier flights from Miami to Ontario

Our best Frontier deals on Miami to Ontario flight tickets
Frontier
Nov 5
MIA8:00 amMiami
9h 37m
1 stop
ONT2:37 pmOntario
Nov 8
ONT3:47 pmOntario
28h 13m
1 stop
MIA11:00 pmMiami
$230
Frontier
Sep 24
MIA11:25 amMiami
9h 23m
1 stop
ONT5:48 pmOntario
Sep 28
ONT11:45 amOntario
27h 14m
2 stops
MIA5:59 pmMiami
$234
Frontier
Aug 29
MIA9:59 amMiami
24h 33m
1 stop
ONT7:32 amOntario
Sep 5
ONT7:56 pmOntario
24h 59m
2 stops
MIA11:55 pmMiami
$235

Delta flights from Miami to Ontario

Our best Delta deals on Miami to Ontario flight tickets
Delta
Aug 11
MIA6:00 amMiami
7h 42m
1 stop
ONT10:42 amOntario
Aug 11
ONT5:05 pmOntario
9h 55m
1 stop
MIA6:00 amMiami
$497
Delta
Aug 9
MIA3:59 pmMiami
8h 53m
1 stop
ONT9:52 pmOntario
Jan 5
ONT7:00 amOntario
7h 18m
1 stop
MIA5:18 pmMiami
$505

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 August 1, 2026.
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

Cheapest round-trip

MiamiOntario

MIA - ONT

MIAONT

Miami

Thu 11/5

8:00 am-2:37 pm

1 stop9h 37m

Ontario

Sun 11/8

3:47 pm-11:00 pm

1 stop28h 13m

$230

MiamiOntario

MIA - ONT

MIAONT

Miami

Thu 9/24

11:25 am-5:48 pm

1 stop9h 23m

Ontario

Mon 9/28

11:45 am-5:59 pm

2 stops27h 14m

$234

MiamiOntario

MIA - ONT

MIAONT

Miami

Sat 8/29

9:59 am-7:32 am

1 stop24h 33m

Ontario

Sat 9/5

7:56 pm-11:55 pm

2 stops24h 59m

$234
Quickest round-trip

MiamiOntario

MIA - ONT

MIAONT

Miami

Sat 10/24

11:09 am-3:16 pm

1 stop7h 07m

Ontario

Sat 10/31

2:22 pm-11:59 pm

1 stop6h 37m

$413

MiamiOntario

MIA - ONT

MIAONT

Miami

Wed 9/9

7:05 am-12:14 pm

1 stop8h 09m

Ontario

Sat 9/19

12:17 pm-12:55 am

1 stop9h 38m

$413

MiamiOntario

MIA - ONT

MIAONT

Miami

Wed 9/23

2:25 pm-9:00 pm

2 stops9h 35m

Ontario

Sat 9/26

11:55 pm-1:05 pm

1 stop10h 10m

$418

MiamiOntario

MIA - ONT

MIAONT

Miami

Tue 8/25

6:45 am-2:05 pm

2 stops10h 20m

Ontario

Tue 9/1

5:45 am-8:00 pm

2 stops11h 15m

$423

MiamiOntario

MIA - ONT

MIAONT

Miami

Sat 8/22

7:15 am-12:16 pm

1 stop8h 01m

Ontario

Sat 9/5

12:00 pm-12:47 am

1 stop9h 47m

$423

MiamiOntario

MIA - ONT

MIAONT

Miami

Fri 10/30

7:00 am-12:21 pm

1 stop8h 21m

Ontario

Wed 1/27

5:05 pm-6:08 am

1 stop10h 03m

$423

MiamiOntario

MIA - ONT

MIAONT

Miami

Thu 12/3

1:35 pm-6:18 pm

1 stop7h 43m

Ontario

Tue 12/8

11:59 pm-10:51 am

1 stop7h 52m

$425

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Miami and Ontario?

Prices are currently low for flights on this route.

Typical prices usually range from $336 to $382.
The lowest price recently found on this route was $230.

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 June instead. Flights to Ontario in June, while not as cheap as those in August, still average around $341.

How have Miami to Ontario flight prices changed over time?

As of August 2026, prices for Miami to Ontario flights are approximately 53% 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

Frequently asked questions about flying from Miami to Ontario

  • 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
American AirlinesPriceFrom $298Free CancellationRating
7.1
11,845 reviews
Search American Airlines flights
SouthwestPriceFrom $326Free CancellationRating
8.0
4,229 reviews
Search Southwest flights
DeltaPriceFrom $341Free CancellationRating
7.8
8,497 reviews
Search Delta 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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