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Cheap flights from Miami to Los Angeles from $79

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
10:49 am - 10:45 amMIA  Miami-ONT Ontario
26h 56m2 stops Dallas/Fort Worth Denver Intl
Frontier Logo
2:53 pm - 2:32 pmONT  Ontario-MIA Miami
20h 39m2 stops Las Vegas Harry Reid Intl Houston George Bush Intcntl
$170Frontier
Wed, Dec 2 - Sat, Dec 5
Frontier Logo
10:49 am - 10:45 amMIA  Miami-ONT Ontario
26h 56m2 stops Dallas/Fort Worth Denver Intl
Frontier Logo
6:00 am - 9:14 pmONT  Ontario-MIA Miami
12h 14m1 stop Denver Intl
$178Frontier
Wed, Dec 2 - Sat, Dec 5
Multiple Airlines Logo
9:52 pm - 7:20 amMIA  Miami-ONT Ontario
12h 28m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
2:00 pm - 8:30 pmONT  Ontario-MIA Miami
27h 30m2 stops Las Vegas Harry Reid Intl Cincinnati Cinci./N. Kentucky
$314Multiple Airlines
Wed, Nov 25 - Wed, Dec 2
Multiple Airlines Logo
6:43 am - 8:23 pmMIA  Miami-ONT Ontario
16h 40m3 stops Houston George Bush Intcntl Denver Intl Las Vegas Harry Reid Intl
Multiple Airlines Logo
2:01 pm - 11:20 amONT  Ontario-MIA Miami
18h 19m2 stops Las Vegas Harry Reid Intl Minneapolis St Paul
$367Multiple Airlines
Thu, Nov 19 - Wed, Nov 25
Delta Logo
3:50 pm - 8:54 pmMIA  Miami-ONT Ontario
8h 04m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 5:49 pmONT  Ontario-MIA Miami
8h 49m1 stop Salt Lake City
$404Delta
Wed, Nov 18 - Wed, Jan 6
Delta Logo
6:00 am - 11:07 amMIA  Miami-ONT Ontario
8h 07m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:09 pm - 12:46 amONT  Ontario-MIA Miami
8h 37m1 stop Atlanta Hartsfield-Jackson
$404Delta
Sat, Dec 12 - Sat, Jan 30
Southwest Logo
6:35 am - 1:25 pmMIA  Miami-ONT Ontario
9h 50m2 stops Dallas Love Field Las Vegas Harry Reid Intl
Southwest Logo
2:45 pm - 11:25 amONT  Ontario-MIA Miami
17h 40m2 stops Phoenix Sky Harbor Intl Orlando
$449Southwest
Tue, Jan 19 - Sat, Jan 23
American Airlines Logo
7:43 am - 12:41 pmMIA  Miami-ONT Ontario
7h 58m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
7:36 pm - 6:09 amONT  Ontario-MIA Miami
7h 33m1 stop Phoenix Sky Harbor Intl
$453American Airlines
Wed, Dec 23 - Tue, Dec 29
American Airlines Logo
7:33 am - 12:41 pmMIA  Miami-ONT Ontario
8h 08m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
7:36 pm - 5:08 amONT  Ontario-MIA Miami
6h 32m1 stop Phoenix Sky Harbor Intl
$455American Airlines
Mon, Dec 21 - Wed, Dec 30
Southwest Logo
9:25 am - 5:40 pmMIA  Miami-ONT Ontario
11h 15m2 stops Dallas Love Field Phoenix Sky Harbor Intl
Southwest Logo
6:10 am - 4:30 pmONT  Ontario-MIA Miami
7h 20m1 stop Austin Bergstrom
$490Southwest
Thu, Dec 3 - Sat, Dec 5

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Frontier flights from Miami to Ontario

Our best Frontier deals on Miami to Ontario flight tickets
Frontier
Dec 2
MIA10:49 amMiami
26h 56m
2 stops
ONT10:45 amOntario
Dec 5
ONT2:53 pmOntario
20h 39m
2 stops
MIA2:32 pmMiami
$170
Frontier
Dec 2
MIA10:49 amMiami
26h 56m
2 stops
ONT10:45 amOntario
Dec 5
ONT6:00 amOntario
12h 14m
1 stop
MIA9:14 pmMiami
$178
Frontier
Dec 15
MIA10:54 amMiami
14h 23m
2 stops
ONT10:17 pmOntario
Feb 1
ONT11:42 amOntario
19h 47m
2 stops
MIA10:29 amMiami
$197

momondo Fare Finder

 
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 Miami - ONT Ontario

MIAONT

Miami

Wed 12/2

10:49 am-10:45 am

2 stops26h 56m

Ontario

Sat 12/5

2:53 pm-2:32 pm

2 stops20h 39m

$170

MiamiOntario

MIA Miami - ONT Ontario

MIAONT

Miami

Wed 12/2

10:49 am-10:45 am

2 stops26h 56m

Ontario

Sat 12/5

6:00 am-9:14 pm

1 stop12h 14m

$178

MiamiOntario

MIA Miami - ONT Ontario

MIAONT

Miami

Wed 11/25

9:52 pm-7:20 am

1 stop12h 28m

Ontario

Wed 12/2

2:00 pm-8:30 pm

2 stops27h 30m

$314

MiamiOntario

MIA Miami - ONT Ontario

MIAONT

Miami

Thu 11/19

6:43 am-8:23 pm

3 stops16h 40m

Ontario

Wed 11/25

2:01 pm-11:20 am

2 stops18h 19m

$367

MiamiOntario

MIA Miami - ONT Ontario

MIAONT

Miami

Wed 11/18

3:50 pm-8:54 pm

1 stop8h 04m

Ontario

Wed 1/6

6:00 am-5:49 pm

1 stop8h 49m

$404

MiamiOntario

MIA Miami - ONT Ontario

MIAONT

Miami

Sat 12/12

6:00 am-11:07 am

1 stop8h 07m

Ontario

Sat 1/30

1:09 pm-12:46 am

1 stop8h 37m

$404

MiamiOntario

MIA Miami - ONT Ontario

MIAONT

Miami

Tue 1/19

6:35 am-1:25 pm

2 stops9h 50m

Ontario

Sat 1/23

2:45 pm-11:25 am

2 stops17h 40m

$449

MiamiOntario

MIA Miami - ONT Ontario

MIAONT

Miami

Wed 12/23

7:43 am-12:41 pm

1 stop7h 58m

Ontario

Tue 12/29

7:36 pm-6:09 am

1 stop7h 33m

$453
Quickest round-trip

MiamiOntario

MIA Miami - ONT Ontario

MIAONT

Miami

Mon 12/21

7:33 am-12:41 pm

1 stop8h 08m

Ontario

Wed 12/30

7:36 pm-5:08 am

1 stop6h 32m

$455

MiamiOntario

MIA Miami - ONT Ontario

MIAONT

Miami

Thu 12/3

9:25 am-5:40 pm

2 stops11h 15m

Ontario

Sat 12/5

6:10 am-4:30 pm

1 stop7h 20m

$490

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 $456 to $535.
The lowest price recently found on this route was $170.

What is the cheapest month to fly to Ontario?

In general, September 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 $298. If you aren’t able to travel during the month of September, then book flights to Ontario from Miami during October instead. Flights to Ontario in October, while not as cheap as those in September, still average around $326.

How have Miami to Ontario flight prices changed over time?

As of October 2026, prices for Miami to Ontario flights are approximately 22% cheaper 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

$79

Fastest flight time

7h 45m

Direct flights

None
The best one-way flight to Ontario from Miami in the past 72 hours is $79. The best round-trip flight deal from Miami to Ontario found on momondo in the last 72 hours is $170.
The fastest flight from Miami to Ontario takes 7h 45m
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 45m 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 $165Free CancellationRating
5.5
2,516 reviews
Search Frontier flights
SouthwestPriceFrom $326Free CancellationRating
7.9
4,217 reviews
Search Southwest flights
American AirlinesPriceFrom $326Free CancellationRating
7.0
12,210 reviews
Search American Airlines flights
DeltaPriceFrom $341Free CancellationRating
7.8
8,694 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

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