Cheap flights from Ontario to Puerto Rico from $183
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Puerto Rico departing on 8/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Ontario to Puerto Rico
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 cheapest month to fly to Puerto Rico?
If you don’t want to visit Puerto Rico in September, then you should wait until October to fly from Ontario, when ticket prices are also cheap, with an average price of $469.
What is the cheapest day to depart on your flight to Puerto Rico?
On average, the least expensive day to fly to Puerto Rico from Ontario is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $413. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Thursday, with ticket prices averaging around $672.
What is the cheapest time of day to depart on your flight to Puerto Rico?
Our most recent data shows that the best time of day to fly to Puerto Rico is in the evening. Flights from Ontario to Puerto Rico during this time can be as low as $532. In contrast, the most expensive time of day to depart to Puerto Rico is in the afternoon when prices are around $735.
How far in advance should I book a flight to Puerto Rico?
You are more likely to see cheaper flights to Puerto Rico from Ontario when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $560 when searching 9 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from Ontario for as low as $457 on momondo.
What is the cheapest airline that flies from Ontario to Puerto Rico?
Delta, JetBlue, and American Airlines are the most popular carriers operating from Ontario to Puerto Rico
What airlines fly to Puerto Rico?
American Airlines, Spirit Airlines and JetBlue are the top three most popular airlines that fly to Puerto Rico from Ontario according to our data. American Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Puerto Rico. Keep in mind that there are 7 different airlines that fly to Puerto Rico on a routine basis, so you have a few additional options to choose from.
Cheap Ontario to Puerto Rico flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Puerto Rico
When did momondo last update prices for flights from Ontario Airport to Puerto Rico?
Prices for flights from Ontario Airport to Puerto Rico are updated daily.
How many operators does momondo search for flights from Ontario Airport to Puerto Rico?
There are 5 operators available for flights from Ontario Airport to Puerto Rico as of June 2025.
How old do you have to be to fly from Ontario Airport to Puerto Rico?
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 Ontario Airport to Puerto Rico.
What documentation or ID do you need to fly to Puerto Rico?
The travel and health documents you'll need for your trip to Puerto Rico may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Puerto Rico. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Ontario to Puerto Rico
Compare and see reviews for airlines that fly from Ontario to Puerto Rico with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $73 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $322 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $334 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $353 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $409 | Free Cancellation | Rating 8.0 4,287 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to Puerto Rico?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Puerto Rico for you.
Can I find flights from Ontario to Puerto Rico with flexible booking policies on momondo?
Yes. All flights to Puerto Rico from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Ontario to Puerto Rico?
momondo helps you find the best flight between Ontario and Puerto Rico by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Ontario to Puerto Rico right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Ontario to Puerto Rico now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Puerto Rico and let you know when they change.