San Juan

Cheap flights from Ontario (ONT) to San Juan (undefined)

How to find the cheapest flight from Ontario to San Juan

All the information you need to plan the best ONT to PR1 flight in 2022: compare Ontario to San Juan flight prices with the expected peak season, weather and rainfall in San Juan.

ONT - PR1

Price

$310 - $700

PR1

Temperature

77 - 82.4 °F

PR1

Precipitation

2.2 - 6.1 inches

Popular in

December

High demand for flights, 39% potential price rise

Cheapest in

September

Best time to find cheap flights, 27% potential price drop

Round-trip from

$310

From Ontario to San Juan

One-way from

$208

One-way flight from Ontario to San Juan

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

Travelers have found it’s best to book a flight 22 days in advance to save up to 10% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 22 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Ontario to San Juan 1-2 weeks in advance for as low as $347, or $379 for flights within the next 24 hours.

What is the cheapest month to fly from Ontario to San Juan?

Our data shows that August tends to be the cheapest month to fly to San Juan from Ontario. Users have commonly found prices around $389 for the month, but tickets can be as low as $172. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Ontario to San Juan (ONT - PR1)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to San Juan as you normally would.

Cheap flights from Ontario to San Juan in January, February 2022

The best prices found for ONT to San Juan flights for January, February
Feb 2 - Feb 5
ONT

Ontario

SJU

San Juan Luis Munoz Marin Intl

3 stops

36h 33m
SJU

San Juan Luis Munoz Marin Intl

ONT

Ontario

2 stops

32h 52m
$219

Frontier

View Deal

Deal found 1/22/22

Feb 1 - Feb 14
ONT

Ontario

SJU

San Juan Luis Munoz Marin Intl

2 stops

18h 42m
SJU

San Juan Luis Munoz Marin Intl

ONT

Ontario

3 stops

19h 11m
$249

Multiple Airlines

View Deal

Deal found 1/23/22

Feb 16 - Feb 24
ONT

Ontario

SJU

San Juan Luis Munoz Marin Intl

3 stops

36h 25m
SJU

San Juan Luis Munoz Marin Intl

ONT

Ontario

3 stops

33h 49m
$253

Frontier

View Deal

Deal found 1/21/22

Ontario to San Juan 2022 flight deals

Cheap flights to San Juan from Ontario found for this year
Feb 2 - Feb 5
ONT

Ontario

SJU

San Juan Luis Munoz Marin Intl

3 stops

36h 33m
SJU

San Juan Luis Munoz Marin Intl

ONT

Ontario

2 stops

32h 52m
$219

Frontier

View Deal

Deal found 1/22/22

Mar 8 - Mar 15
ONT

Ontario

SJU

San Juan Luis Munoz Marin Intl

1 stop

11h 37m
SJU

San Juan Luis Munoz Marin Intl

ONT

Ontario

1 stop

21h 57m
$234

Multiple Airlines

View Deal

Deal found 1/23/22

Feb 1 - Feb 14
ONT

Ontario

SJU

San Juan Luis Munoz Marin Intl

2 stops

18h 42m
SJU

San Juan Luis Munoz Marin Intl

ONT

Ontario

3 stops

19h 11m
$249

Multiple Airlines

View Deal

Deal found 1/23/22

Last minute flights from Ontario to San Juan

Late deals on return flights to San Juan from Ontario, departing today and this week
Feb 2 - Feb 5
ONT

Ontario

SJU

San Juan Luis Munoz Marin Intl

3 stops

36h 33m
SJU

San Juan Luis Munoz Marin Intl

ONT

Ontario

2 stops

32h 52m
$219

Frontier

View Deal

Deal found 1/22/22

Feb 1 - Feb 14
ONT

Ontario

SJU

San Juan Luis Munoz Marin Intl

2 stops

18h 42m
SJU

San Juan Luis Munoz Marin Intl

ONT

Ontario

3 stops

19h 11m
$249

Multiple Airlines

View Deal

Deal found 1/23/22

Feb 1 - Feb 12
ONT

Ontario

SJU

San Juan Luis Munoz Marin Intl

2 stops

13h 48m
SJU

San Juan Luis Munoz Marin Intl

ONT

Ontario

2 stops

18h 07m
$256

Frontier

View Deal

Deal found 1/23/22

One-way flights to San Juan from Ontario

The cheapest one-way flights from Ontario to San Juan
Apr 20
ONT

Ontario

SJU

San Juan Luis Munoz Marin Intl

3 stops

16h 00m
$112

Frontier

View Deal

Deal found 1/23/22

Feb 13
ONT

Ontario

SJU

San Juan Luis Munoz Marin Intl

2 stops

14h 28m
$133

Frontier

View Deal

Deal found 1/22/22

Feb 23
ONT

Ontario

SJU

San Juan Luis Munoz Marin Intl

2 stops

23h 38m
$140

Multiple Airlines

View Deal

Deal found 1/22/22

Related info for your journey

Useful info, stats and facts about Ontario to San Juan flights.

What airport do you fly from for flights from Ontario to San Juan?

If you book a flight to San Juan from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 0 flights from Ontario to San Juan per day from 6 different airlines.

Which airlines flying from Ontario to San Juan have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Ontario to San Juan that may be offering flexible cancellation policies are American Airlines, United Airlines, and Delta. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Ontario to San Juan for under $300 on Cheapflights?

Yes, there are multiple flights from Ontario to San Juan for under $300. The cheapest flight booked recently is on Multiple Airlines for just $234, but on average you can expect to pay $286.

Are there last-minute flights available from Ontario to San Juan for under $300?

There are currently 20+ open flights from Ontario to San Juan within the next 7 days for less than $300.

What are the cheapest airlines flying from Ontario to San Juan round-trip?

Frontier, at $253, was found to be the cheapest airline from Ontario to San Juan.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Frontier is currently priced 40% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Ontario to San Juan one-way?

$112 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $157 and $158, respectively.

What are the most popular airlines that fly from Ontario to San Juan?

American Airlines, JetBlue and Delta are the most popular airlines when flying from Ontario to San Juan.

What are the cheapest flights from Ontario to San Juan?

While on average a flight from Ontario to San Juan is generally $297, our data shows the cheapest flight currently is $157. When looking at the most popular route, (Ontario - San Juan Luis Munoz Marin Intl), you can expect to pay $234 for that flight.

Can I fly to San Juan from Ontario right now?

Information is based on travel restrictions from Ontario to San Juan

Most visitors from Ontario need to provide a negative COVID-19 test result and/or quarantine to enter San Juan.

COVID-19 testing requirements
Visitors from Ontario must present a negative RT-PCR (NAAT) test taken 72 for RT-PCR (NAAT) and 24 Antigen (quick-test) hours before departing to San Juan.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering San Juan.

Documents
Travel Declaration Form - Must be completed prior to travel to Puerto Rico.


Can I fly back to Ontario from San Juan?

Returning to Ontario from San Juan

COVID-19 testing requirements
Visitors from San Juan must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Ontario.

Quarantine requirements
Visitors from San Juan are not required to quarantine after entering Ontario.

Alternative routes for Ontario to San Juan

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Ontario to San Juan

The chart below displays the airlines Cheapflights users traveling from Ontario to San Juan choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
United Airlines
Cheapest$147
Average$454
FlexibilityNo cancel fee
On-time69%
COVID-19 safety
JetBlue
Cheapest$147
Average$418
FlexibilityNo cancel fee
On-time62%
COVID-19 safety
American Airlines
Cheapest$152
Average$500
FlexibilityNo cancel fee
On-time71%
COVID-19 safety
Frontier
Cheapest$158
Average$314
FlexibilityNo cancel fee
On-time62%
COVID-19 safety
Delta
Cheapest$177
Average$412
FlexibilityNo cancel fee
On-timeN/A
COVID-19 safety

Hourly flight availability from Ontario to San Juan

See what time of day planes typically take off from Ontario to San Juan
0%of flight departuresEarly morningMidnight to 6 am
100%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM