How long is the flight to Ontario?

The duration of your flight to Ontario depends on your departure and arrival airports. Obviously, any flights that include a layover will also be longer. The most popular routes to Ontario on KAYAK are from San Juan , which takes 10h 08m , Ponce , which takes 10h 11m, Aguadilla , which takes 12h 03m, and Culebra , which takes 14h 03m.

How far is Ontario Airport from central Ontario?

Ontario Airport is 3 miles from the center of Ontario.

What is the name of Ontario’s airport?

There is only 1 airport in Ontario, called Ontario Airport (ONT). It can also be referred to as Ontario or Ontario Intl.

What is the cheapest month to fly to Ontario?

The cheapest month for flights to Ontario is January , where tickets cost $288 on average for return flights. On the other hand, the most expensive months are July and March, where the average cost of tickets from Puerto Rico is $1,150 and $889 respectively. For one-way flights, the best month to travel is May with an average price of $187.

How does KAYAK find such low prices on flights to Ontario?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Ontario.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Ontario?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights to Ontario?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Ontario?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

How far in advance should I book a flight to Ontario?

To get a below average price, you should book around 12 weeks before departure , which saves you about 26% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

How many direct flights to Ontario are there each day?

There are around 138 direct flights from within Puerto Rico to Ontario every day. Most flights depart in the morning, with 33% of flights departing in the morning.

How many direct flights to Ontario are there each week?

Each week there are around 961 direct flights from within Puerto Rico to Ontario. The most common day for departures is Sunday, with 17% of flights taking off on this day.

What are the most popular airlines flying to Ontario?

The most popular airline among KAYAK users flying to Ontario is American Airlines, followed by United Airlines and JetBlue.

$198 CHEAP FLIGHTS from Puerto Rico to Ontario

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Flight Deals

Cheap Flights from Puerto Rico to Ontario

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Puerto Rico to Ontario

Tue, Nov 10 - Sat, Nov 14

3:59 pm - 10:35 amSJU San Juan Luis Munoz Marin Intl-ONT Ontario

22h 36m2 stops Atlanta Hartsfield-Jackson Denver Intl

6:25 am - 10:15 amONT Ontario-SJU San Juan Luis Munoz Marin Intl

23h 50m2 stops Denver Intl Orlando

$381Frontier

Fri, Oct 30 - Wed, Nov 4

3:59 pm - 10:42 amSJU San Juan Luis Munoz Marin Intl-ONT Ontario

21h 43m2 stops Atlanta Hartsfield-Jackson Denver Intl

11:52 am - 10:15 amONT Ontario-SJU San Juan Luis Munoz Marin Intl

18h 23m2 stops Denver Intl Orlando

$386Frontier

Thu, Oct 22 - Thu, Oct 29

6:15 am - 7:04 amSJU San Juan Luis Munoz Marin Intl-ONT Ontario

27h 49m2 stops Philadelphia Las Vegas Harry Reid Intl

2:23 pm - 2:42 pmONT Ontario-SJU San Juan Luis Munoz Marin Intl

21h 19m2 stops Las Vegas Harry Reid Intl Orlando

$411Frontier

Fri, Oct 23 - Tue, Nov 3

4:39 pm - 10:29 amSJU San Juan Luis Munoz Marin Intl-ONT Ontario

20h 50m2 stops Tampa Denver Intl

11:52 am - 10:15 amONT Ontario-SJU San Juan Luis Munoz Marin Intl

18h 23m2 stops Denver Intl Orlando

$422Frontier

Thu, Oct 22 - Thu, Oct 29

6:20 am - 6:43 pmSJU San Juan Luis Munoz Marin Intl-ONT Ontario

15h 23m2 stops Miami Phoenix Sky Harbor Intl

7:34 pm - 9:46 amONT Ontario-SJU San Juan Luis Munoz Marin Intl

11h 12m2 stops Phoenix Sky Harbor Intl Miami

$454American Airlines

Sat, Oct 31 - Sun, Nov 8

6:00 am - 3:16 pmSJU San Juan Luis Munoz Marin Intl-ONT Ontario

12h 16m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

6:00 am - 12:16 amONT Ontario-SJU San Juan Luis Munoz Marin Intl

14h 16m1 stop Dallas/Fort Worth

$454American Airlines

Thu, Oct 22 - Thu, Oct 29

2:00 pm - 8:58 pmSJU San Juan Luis Munoz Marin Intl-ONT Ontario

9h 58m1 stop Denver Intl

6:00 am - 8:24 pmONT Ontario-SJU San Juan Luis Munoz Marin Intl

11h 24m1 stop Houston George Bush Intcntl

$454United Airlines

Thu, Oct 22 - Thu, Oct 29

6:00 am - 1:30 pmSJU San Juan Luis Munoz Marin Intl-ONT Ontario

10h 30m1 stop Dallas/Fort Worth

7:34 pm - 9:46 amONT Ontario-SJU San Juan Luis Munoz Marin Intl

11h 12m2 stops Phoenix Sky Harbor Intl Miami

$454American Airlines

Thu, Nov 5 - Thu, Nov 12

2:21 pm - 8:51 pmSJU San Juan Luis Munoz Marin Intl-ONT Ontario

10h 30m1 stop Denver Intl

5:00 am - 6:25 pmONT Ontario-SJU San Juan Luis Munoz Marin Intl

9h 25m1 stop Denver Intl

$554United Airlines

Thu, Nov 5 - Fri, Nov 13

2:21 pm - 8:51 pmSJU San Juan Luis Munoz Marin Intl-ONT Ontario

10h 30m1 stop Denver Intl

4:17 pm - 11:50 amONT Ontario-SJU San Juan Luis Munoz Marin Intl

15h 33m2 stops San Francisco Newark

$554United Airlines

Recent last minute flight deals from Puerto Rico to Ontario

Sat, Sep 26 - Sat, Oct 10

3:08 am - 5:48 pmSJU San Juan Luis Munoz Marin Intl-ONT Ontario

17h 40m2 stops Miami Houston George Bush Intcntl

5:25 pm - 3:19 pmONT Ontario-SJU San Juan Luis Munoz Marin Intl

18h 54m2 stops Las Vegas Harry Reid Intl Philadelphia

$717Frontier

Fri, Sep 25 - Sun, Sep 27

3:55 pm - 10:30 amSJU San Juan Luis Munoz Marin Intl-ONT Ontario

21h 35m2 stops Orlando Denver Intl

8:24 pm - 2:18 pmONT Ontario-SJU San Juan Luis Munoz Marin Intl

14h 54m2 stops Las Vegas Harry Reid Intl Orlando

$760Frontier

Sat, Sep 26 - Wed, Sep 30

2:55 pm - 9:59 pmSJU San Juan Luis Munoz Marin Intl-ONT Ontario

10h 04m1 stop Houston George Bush Intcntl

5:00 am - 5:38 pmONT Ontario-SJU San Juan Luis Munoz Marin Intl

9h 38m1 stop Denver Intl

$776United Airlines

Sat, Sep 26 - Mon, Sep 28

2:00 pm - 8:58 pmSJU San Juan Luis Munoz Marin Intl-ONT Ontario

9h 58m1 stop Denver Intl

5:00 am - 5:38 pmONT Ontario-SJU San Juan Luis Munoz Marin Intl

9h 38m1 stop Denver Intl

$776United Airlines

Sat, Sep 26 - Wed, Sep 30

7:00 am - 5:46 pmSJU San Juan Luis Munoz Marin Intl-ONT Ontario

13h 46m2 stops Houston George Bush Intcntl San Francisco

5:00 am - 5:38 pmONT Ontario-SJU San Juan Luis Munoz Marin Intl

9h 38m1 stop Denver Intl

$776United Airlines

Wed, Sep 30 - Fri, Oct 2

2:55 pm - 9:59 pmSJU San Juan Luis Munoz Marin Intl-ONT Ontario

10h 04m1 stop Houston George Bush Intcntl

6:00 am - 8:38 pmONT Ontario-SJU San Juan Luis Munoz Marin Intl

11h 38m1 stop Houston George Bush Intcntl

$776United Airlines

Fri, Sep 25 - Sun, Sep 27

2:00 pm - 8:58 pmSJU San Juan Luis Munoz Marin Intl-ONT Ontario

9h 58m1 stop Denver Intl

5:00 am - 5:38 pmONT Ontario-SJU San Juan Luis Munoz Marin Intl

9h 38m1 stop Denver Intl

$776United Airlines

Sat, Sep 26 - Mon, Sep 28

7:00 am - 5:46 pmSJU San Juan Luis Munoz Marin Intl-ONT Ontario

13h 46m2 stops Houston George Bush Intcntl San Francisco

6:00 am - 8:38 pmONT Ontario-SJU San Juan Luis Munoz Marin Intl

11h 38m1 stop Houston George Bush Intcntl

$776United Airlines

Mon, Sep 28 - Wed, Sep 30

3:55 pm - 10:30 amSJU San Juan Luis Munoz Marin Intl-ONT Ontario

21h 35m2 stops Orlando Denver Intl

11:45 am - 9:35 amONT Ontario-SJU San Juan Luis Munoz Marin Intl

18h 50m2 stops Denver Intl Orlando

$785Frontier

Sat, Sep 26 - Tue, Sep 29

3:08 am - 5:48 pmSJU San Juan Luis Munoz Marin Intl-ONT Ontario

17h 40m2 stops Miami Houston George Bush Intcntl

11:45 am - 9:35 amONT Ontario-SJU San Juan Luis Munoz Marin Intl

18h 50m2 stops Denver Intl Orlando

$790Frontier

Booking Insights

KAYAK's insights & trends for flights to Ontario

Get data-powered insights and trends for flights to Ontario to help you find the cheapest flights, the best time to fly and much more.

Prices

Airlines

What is the cheapest month to fly to Ontario? To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights to Ontario, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.: The cheapest month for flights to Ontario is January, where tickets cost $288 on average for return flights. On the other hand, the most expensive months are July and March, where the average cost of tickets from Puerto Rico is $1,150 and $889 respectively. For one-way flights, the best month to travel is May with an average price of $187.
How far in advance should I book a flight to Ontario? To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Ontario, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.: To get a below average price, you should book around 12 weeks before departure, which saves you about 26% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

Find deals

Low season	August
High season	May
Cheapest flight	$198

Best time to beat the crowds with an average 14% drop in price.

Most popular time to fly and prices are also 26% lower on average.

Flight from San Juan to Ontario

How far is Ontario Airport from central Ontario?
Ontario Airport is 3 miles from the center of Ontario.
What is the name of Ontario’s airport?
There is only 1 airport in Ontario, called Ontario Airport (ONT). It can also be referred to as Ontario or Ontario Intl.
How does KAYAK find such low prices on flights to Ontario?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Ontario.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Ontario?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights to Ontario?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Ontario?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.
How many direct flights to Ontario are there each week?
Each week there are around 961 direct flights from within Puerto Rico to Ontario. The most common day for departures is Sunday, with 17% of flights taking off on this day.