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United Flights from Miami (MIA) to Ontario (ONT)

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Amazing United MIA to ONT Flight Deals

The cheapest flights to Los Angeles - Ontario Intl. found within the past 7 days were $210 round trip and $129 one way. Prices and availability subject to change. Additional terms may apply.

Sun, Dec 6 -
MIA
Miami
to
ONT
Ontario
$129

One way

found 1 hour ago

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Mon, Dec 21 -
MIA
Miami
to
ONT
Ontario
$133

One way

just found

Open MIA to ONT flights search result page
Mon, Feb 1 -
MIA
Miami
to
ONT
Ontario
$139

One way

found 13 hours ago

Open MIA to ONT flights search result page
Sun, Dec 20 -
MIA
Miami
to
ONT
Ontario
$153

One way

found 8 hours ago

Open MIA to ONT flights search result page
Fri, Dec 18 -
MIA
Miami
to
ONT
Ontario
$180

One way

found 12 hours ago

Open MIA to ONT flights search result page
Mon, Nov 30 - Sat, Dec 12
MIA
Miami
to
ONT
Ontario
$210

Roundtrip

found 1 day ago

Open MIA to ONT flights search result page
Sun, Nov 29 -
MIA
Miami
to
ONT
Ontario
$249

One way

just found

Open MIA to ONT flights search result page
Wed, Dec 2 - Tue, Dec 15
MIA
Miami
to
ONT
Ontario
$258

Roundtrip

found 1 day ago

Open MIA to ONT flights search result page
Wed, Dec 16 - Mon, Dec 21
MIA
Miami
to
ONT
Ontario
$262

Roundtrip

found 6 hours ago

Open MIA to ONT flights search result page
Wed, Nov 25 - Sun, Nov 29
MIA
Miami
to
ONT
Ontario
$295

Roundtrip

found 1 day ago

Open MIA to ONT flights search result page
Mon, Dec 21 - Tue, Dec 29
MIA
Miami
to
ONT
Ontario
$304

Roundtrip

just found

Open MIA to ONT flights search result page
Mon, Nov 30 - Sat, Dec 12
MIA
Miami
to
ONT
Ontario
$210

Roundtrip

found 1 day ago

Open MIA to ONT flights search result page
Sun, Nov 29 -
MIA
Miami
to
ONT
Ontario
$249

One way

just found

Open MIA to ONT flights search result page
Wed, Nov 25 - Sun, Nov 29
MIA
Miami
to
ONT
Ontario
$295

Roundtrip

found 1 day ago

Open MIA to ONT flights search result page
Sun, Dec 6 -
MIA
Miami
to
ONT
Ontario
$129

One way

found 1 hour ago

Open MIA to ONT flights search result page
Mon, Dec 21 -
MIA
Miami
to
ONT
Ontario
$133

One way

just found

Open MIA to ONT flights search result page
Sun, Dec 20 -
MIA
Miami
to
ONT
Ontario
$153

One way

found 8 hours ago

Open MIA to ONT flights search result page
Fri, Dec 18 -
MIA
Miami
to
ONT
Ontario
$180

One way

found 12 hours ago

Open MIA to ONT flights search result page
Wed, Dec 2 - Tue, Dec 15
MIA
Miami
to
ONT
Ontario
$258

Roundtrip

found 1 day ago

Open MIA to ONT flights search result page
Wed, Dec 16 - Mon, Dec 21
MIA
Miami
to
ONT
Ontario
$262

Roundtrip

found 6 hours ago

Open MIA to ONT flights search result page
Mon, Dec 21 - Tue, Dec 29
MIA
Miami
to
ONT
Ontario
$304

Roundtrip

just found

Open MIA to ONT flights search result page
Mon, Feb 1 -
MIA
Miami
to
ONT
Ontario
$139

One way

found 13 hours ago

Open MIA to ONT flights search result page

ONT From MIA Economy Coach Packages on Similar Airlines

Save $213
MIA
Miami Intl.
to
LGB
Long Beach Municipal
American AirlinesEconomy
Courtyard by Marriott Long Beach Downtown
3.0 out of 5.0

Wed, Dec 9 - Mon, Dec 14

Old price

$626

The price now is $414 per person
Flight + Hotel
Courtyard by Marriott Long Beach Downtown
Save $170
MIA
Miami Intl.
to
LAX
Los Angeles Intl.
Frontier AirlinesEconomy
Hotel June
4.0 out of 5.0

Thu, Feb 4 - Mon, Feb 8

Old price

$537

The price now is $367 per person
Flight + Hotel
Hotel June
Save $137
MIA
Miami Intl.
to
LAX
Los Angeles Intl.
Frontier AirlinesEconomy
Hilton Los Angeles Airport
4.0 out of 5.0

Sun, Jan 31 - Thu, Feb 4

Old price

$438

The price now is $301 per person
Flight + Hotel
Hilton Los Angeles Airport

FAQs about United Airlines Flights from MIA to ONT

What terminal is United Airlines at Miami Airport?

As soon as you're issued your boarding pass for your United Airlines flight from Miami, FL (MIA-Miami Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.), check if the terminal details are written on it. If not, get in touch with your air carrier. They'll be able to let you know where you'll be flying in and out of.

Are there United Airlines non-stop flights from MIA to ONT?

You won't find any direct flights from Miami, FL (MIA-Miami Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) with United Airlines. Be ready to make a stopover if you have to stick to this airline and route.

How long is an United Airlines flight from MIA to ONT?

Lose yourself in a movie or two, listen to a podcast or just put your seat back and forget your worries. Whatever interests you, find a way to amuse yourself during the 6 hours and 24 minutes that it takes to go from MIA to ONT with United Airlines.

How many direct and indirect flights does United Airlines fly from MIA to ONT?

Each month, United Airlines makes the journey from Miami, FL (MIA-Miami Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) around 17 times.

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to Ontario, CA (ONT-Los Angeles - Ontario Intl.), please visit our Customer Service Portal.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Tuesdays tend to be the cheapest, according to flight demand on Travelocity in 2019. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Monday, as data shows the start of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2019, flights departing on a Tuesday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2019 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 1-2 weeks prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2019 saved nearly 50% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2019. Savings are subject to change based on departure location, date and destination.

Popular United Flight Routes from MIA

Top United Flight Routes from ONT

Top Flights for United originating from MIA

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.