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

Flight FAQs

From Ontario to San Juan

Are flight prices decreasing from Ontario to San Juan due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Ontario and San Juan for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

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.

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.

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 Frontier for just $269, but on average you can expect to pay $382.

Are there nonstop flights from Ontario to San Juan for under $300 on Cheapflights?

There are no nonstop flights from Ontario to San Juan, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

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.

Is Ontario weather warmer or cooler than San Juan?

With an average temperature of 95 °F, peak weather can be found in July. As a traveler, expect to see changes in flight prices during that period. The temperatures in San Juan are colder than in Ontario.

How long is the flight from Ontario to San Juan?

A quick flight from Ontario to San Juan can take about 11h 34m. American Airlines provides one of the quickest options available for as low as $396. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

Our cheapest airline available from Ontario to San Juan is Frontier. Our recent data shows that you can find tickets from as low as $269 on this airline. Additional options worth looking into are American Airlines and JetBlue, starting at $393 and $412 round-trip. Frontier is priced at 36% lower than the current average price of a flight leaving 3 months from now.

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

For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $188. Users have also found prices from $194 and $197 on United Airlines and American Airlines, respectively.