What airlines fly to Ontario?

American Airlines, United Airlines and JetBlue are the top three most popular airlines that fly to Ontario from Puerto Rico according to our data. American Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Puerto Rico to Ontario?

United Airlines, American Airlines, and Frontier are the most popular carriers operating from Puerto Rico to Ontario

How long does it take to fly to Ontario?

Average flight duration from Puerto Rico to Ontario depends on which airport you fly into and out of. Flying from San Juan to Los Angeles is 10h 04m on average, while flying from Ponce to Los Angeles is 10h 52m on average. Los Angeles is the most popular airport in Ontario.

When did momondo last update prices for flights from Puerto Rico to Ontario Airport?

Prices for flights from Puerto Rico to Ontario Airport were last updated today.

How many operators does momondo search for flights from Puerto Rico to Ontario Airport?

The number of operators available for flights from Puerto Rico to Ontario Airport is 3 as of July 2025.

How old do you have to be to fly from Puerto Rico to Ontario Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Puerto Rico to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$213 Cheap Flights from Puerto Rico to Ontario in 2025

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Find the cheapest flights from Puerto Rico to Los Angeles

Round-trip

One-way

Last minute

Recent round-trip flight deals from Puerto Rico to Los Angeles

1:25 pm - 9:29 pmSJU-ONT

11h 04m1 stop

10:56 pm - 2:54 pmONT-SJU

12h 58m1 stop

$410JetBlue

Find Deal

Tue, Sep 30 - Sat, Oct 11

6:10 am - 9:24 pmSJU-ONT

18h 14m2 stops

10:09 am - 11:54 pmONT-SJU

10h 45m2 stops

$411American Airlines

Find Deal

Tue, Sep 30 - Sat, Oct 11

6:45 am - 5:34 pmSJU-ONT

13h 49m2 stops

7:00 am - 9:00 pmONT-SJU

10h 00m1 stop

$425United Airlines

Find Deal

Fri, Oct 31 - Mon, Nov 3

1:30 pm - 9:29 pmSJU-ONT

10h 59m1 stop

10:56 pm - 2:56 pmONT-SJU

13h 00m1 stop

$432JetBlue

Find Deal

Fri, Sep 19 - Tue, Sep 30

6:10 am - 6:54 pmSJU-ONT

15h 44m2 stops

10:09 am - 11:54 pmONT-SJU

10h 45m2 stops

$451American Airlines

Find Deal

Tue, Sep 30 - Sat, Oct 11

2:00 pm - 8:24 pmSJU-ONT

9h 24m1 stop

6:51 pm - 12:00 pmONT-SJU

14h 09m2 stops

$460United Airlines

Find Deal

Tue, Sep 30 - Sat, Oct 11

6:10 am - 6:54 pmSJU-ONT

15h 44m2 stops

10:09 am - 11:54 pmONT-SJU

10h 45m2 stops

$462American Airlines

Find Deal

Tue, Sep 30 - Sat, Oct 11

3:55 pm - 10:05 amSJU-ONT

21h 10m2 stops

11:59 pm - 6:11 pmONT-SJU

15h 12m2 stops

$470American Airlines

Find Deal

Wed, Oct 1 - Thu, Oct 9

7:00 am - 5:29 pmSJU-ONT

13h 29m2 stops

6:04 am - 8:38 pmONT-SJU

11h 34m1 stop

$495United Airlines

Find Deal

Thu, Sep 11 - Mon, Sep 15

1:05 am - 12:51 pmSJU-ONT

14h 46m2 stops

1:53 pm - 12:00 pmONT-SJU

19h 07m2 stops

$501United Airlines

Find Deal

Mon, Sep 29 - Sat, Oct 11

American Airlines flights from Puerto Rico to Ontario

Our best American Airlines deals on Puerto Rico to Ontario flight tickets

American Airlines

Sep 30

SJU6:10 amSan Juan Luis Munoz Marin Intl

18h 14m

2 stops

ONT9:24 pmOntario

Oct 11

ONT10:09 amOntario

10h 45m

2 stops

SJU11:54 pmSan Juan Luis Munoz Marin Intl

$411

Find similar

American Airlines

Sep 30

SJU6:10 amSan Juan Luis Munoz Marin Intl

15h 44m

2 stops

ONT6:54 pmOntario

Oct 11

ONT10:09 amOntario

10h 45m

2 stops

SJU11:54 pmSan Juan Luis Munoz Marin Intl

$451

Find similar

American Airlines

Sep 30

SJU6:10 amSan Juan Luis Munoz Marin Intl

15h 44m

2 stops

ONT6:54 pmOntario

Oct 11

ONT10:09 amOntario

10h 45m

2 stops

SJU11:54 pmSan Juan Luis Munoz Marin Intl

$462

Find similar

United Airlines flights from Puerto Rico to Ontario

Our best United Airlines deals on Puerto Rico to Ontario flight tickets

United Airlines

Oct 31

SJU6:45 amSan Juan Luis Munoz Marin Intl

13h 49m

2 stops

ONT5:34 pmOntario

Nov 3

ONT7:00 amOntario

10h 00m

1 stop

SJU9:00 pmSan Juan Luis Munoz Marin Intl

$425

Find similar

United Airlines

Sep 30

SJU2:00 pmSan Juan Luis Munoz Marin Intl

9h 24m

1 stop

ONT8:24 pmOntario

Oct 11

ONT6:51 pmOntario

14h 09m

2 stops

SJU12:00 pmSan Juan Luis Munoz Marin Intl

$460

Find similar

United Airlines

Sep 11

SJU7:00 amSan Juan Luis Munoz Marin Intl

13h 29m

2 stops

ONT5:29 pmOntario

Sep 15

ONT6:04 amOntario

11h 34m

1 stop

SJU8:38 pmSan Juan Luis Munoz Marin Intl

$495

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Tue 9/30

1:25 pm-9:29 pm

1 stop11h 04m

Ontario

Sat 10/11

10:56 pm-2:54 pm

1 stop12h 58m

$410

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Tue 9/30

6:10 am-9:24 pm

2 stops18h 14m

Ontario

Sat 10/11

10:09 am-11:54 pm

2 stops10h 45m

$411

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Fri 10/31

6:45 am-5:34 pm

2 stops13h 49m

Ontario

Mon 11/3

7:00 am-9:00 pm

1 stop10h 00m

$425

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Fri 9/19

1:30 pm-9:29 pm

1 stop10h 59m

Ontario

Tue 9/30

10:56 pm-2:56 pm

1 stop13h 00m

$432

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Tue 9/30

6:10 am-6:54 pm

2 stops15h 44m

Ontario

Sat 10/11

10:09 am-11:54 pm

2 stops10h 45m

$451

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Tue 9/30

2:00 pm-8:24 pm

1 stop9h 24m

Ontario

Sat 10/11

6:51 pm-12:00 pm

2 stops14h 09m

$460

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Tue 9/30

6:10 am-6:54 pm

2 stops15h 44m

Ontario

Sat 10/11

10:09 am-11:54 pm

2 stops10h 45m

$462

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Wed 10/1

3:55 pm-10:05 am

2 stops21h 10m

Ontario

Thu 10/9

11:59 pm-6:11 pm

2 stops15h 12m

$470

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Thu 9/11

7:00 am-5:29 pm

2 stops13h 29m

Ontario

Mon 9/15

6:04 am-8:38 pm

1 stop11h 34m

$495

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Mon 9/29

1:05 am-12:51 pm

2 stops14h 46m

Ontario

Sat 10/11

1:53 pm-12:00 pm

2 stops19h 07m

$501

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Puerto Rico 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

Prices

Airlines

Other information

What is the cheapest month to fly to Ontario?

In general, July is the cheapest month to fly from Puerto Rico to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $333. If you aren’t able to travel during the month of July, then book flights to Ontario from Puerto Rico during March instead. Flights to Ontario in March, while not as cheap as those in July, still average around $351.

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 Wednesday when prices can be found for as low as $364. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Puerto Rico to Ontario for around $734.

What is the cheapest time of day to depart on your flight to Ontario?

In the morning is the cheapest time of day to fly from Puerto Rico to Ontario when you can find flight prices for as low as $363. Flying to Ontario in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $665 on average. Flights to Ontario from Puerto Rico in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Puerto Rico to Ontario flights?

You could potentially save up to 23% on your flight if you consider stops on a Puerto Rico to Ontario flight.

Cheap Puerto Rico to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Puerto Rico to Ontario

Best Price Found	$213
Fastest flight time	9h 24m
Direct flights	None
Airports in Ontario	1 airport

The best one-way flight to Ontario from Puerto Rico in the past 72 hours is $213. The best round-trip flight deal from Puerto Rico to Ontario found on momondo in the last 72 hours is $410.

The fastest flight from Puerto Rico to Ontario takes 9h 24m

There are no direct flights from Puerto Rico to Ontario. Popular non-direct route for this connection is San Juan Luis Munoz Marin Intl Airport - Ontario Airport.

There is 1 airport near Ontario: Ontario (ONT)

Search flight deals

When did momondo last update prices for flights from Puerto Rico to Ontario Airport?
Prices for flights from Puerto Rico to Ontario Airport were last updated today.
How many operators does momondo search for flights from Puerto Rico to Ontario Airport?
The number of operators available for flights from Puerto Rico to Ontario Airport is 3 as of July 2025.
How old do you have to be to fly from Puerto Rico to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Puerto Rico to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Puerto Rico to Ontario

Compare and see reviews for airlines that fly from Puerto Rico to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $344	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
American Airlines	PriceFrom $355	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $395	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Puerto Rico to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Puerto Rico to Ontario. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Puerto Rico to Ontario with flexible booking policies on momondo?

Yes. All flights to Ontario from Puerto Rico on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Puerto Rico to Ontario?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Puerto Rico to Ontario.

I’m not ready to book a flight from Puerto Rico to Ontario right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Puerto Rico to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.