
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Ontario to San Juan
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Frontier flights from Ontario to San Juan Luis Munoz Marin Intl Airport
Our best Frontier deals on Ontario to San Juan Luis Munoz Marin Intl Airport flight tickets
Delta flights from Ontario to San Juan Luis Munoz Marin Intl Airport
Our best Delta deals on Ontario to San Juan Luis Munoz Marin Intl Airport flight tickets
See travel insights to San Juan from
How to get the cheapest flight ticket from Ontario to San Juan Luis Munoz Marin Intl Airport
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 San Juan Luis Munoz Marin Intl Airport?
If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of June, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $408.
What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?
On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from Ontario is on a Friday. momondo users have found tickets for Friday departures for as low as $502. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $538.
What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?
The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is in the morning when flights can be purchased for as low as $351. Flights in the afternoon are often more expensive with an average ticket price of $481.
How far in advance should I book a flight to San Juan Luis Munoz Marin Intl Airport?
You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from Ontario when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $553 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from Ontario for as low as $398 on momondo.
What is the cheapest airline that flies from Ontario to San Juan Luis Munoz Marin Intl?
Frontier, Delta, and United Airlines are the most popular carriers operating from Ontario to San Juan Luis Munoz Marin Intl
What airlines fly to San Juan Luis Munoz Marin Intl Airport?
American Airlines, Spirit Airlines and JetBlue are the top three most popular airlines that fly to San Juan Luis Munoz Marin Intl Airport from Ontario according to our data. American Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to San Juan Luis Munoz Marin Intl Airport. Keep in mind that there are 8 different airlines that fly to San Juan Luis Munoz Marin Intl Airport on a routine basis, so you have a few additional options to choose from.
When to book flights from Ontario to San Juan Luis Munoz Marin Intl Airport
Cheap Ontario to San Juan Luis Munoz Marin Intl Airport (ONT to SJU) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to San Juan Luis Munoz Marin Intl Airport
How far is Ontario to San Juan Luis Munoz Marin Intl by plane?
A flight from Ontario to San Juan Luis Munoz Marin Intl will travel around 3337.2 mi. Typically, this will take 8h 37m by plane in normal conditions.
When did momondo last update prices for flights from Ontario Airport to San Juan Luis Munoz Marin Intl Airport?
Prices for flights from Ontario Airport to San Juan Luis Munoz Marin Intl Airport are updated daily.
How many operators does momondo search for flights from Ontario Airport to San Juan Luis Munoz Marin Intl Airport?
The number of operators available for flights from Ontario Airport to San Juan Luis Munoz Marin Intl Airport is 6 as of February 2025.
How old do you have to be to fly from Ontario Airport to San Juan Luis Munoz Marin Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to San Juan Luis Munoz Marin Intl Airport.
What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?
The necessary travel and health documents for your San Juan Luis Munoz Marin Intl 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.
What is the most popular airline from Ontario to San Juan Luis Munoz Marin Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Ontario to San Juan Luis Munoz Marin Intl Airport is American Airlines, representing 47% of all bookings. The subsequent popular airlines are United Airlines at 18%, Delta at 17%, and Frontier at 12%.
Best airlines flying from Ontario to San Juan Luis Munoz Marin Intl Airport
Compare and see reviews for airlines that fly from Ontario to San Juan Luis Munoz Marin Intl Airport with momondo
Airline | Rating | Free Cancellation | Price | ||
---|---|---|---|---|---|
PriceFrom $260 | Free Cancellation | Rating 6.0 3,351 reviews | |||
PriceFrom $273 | Free Cancellation | Rating 7.4 3,068 reviews | |||
PriceFrom $322 | Free Cancellation | Rating 7.4 8,754 reviews | |||
PriceFrom $334 | Free Cancellation | Rating 8.0 8,203 reviews | |||
PriceFrom $355 | Free Cancellation | Rating 7.2 10,000 reviews | |||
PriceFrom $374 | Free Cancellation | Rating 8.1 4,387 reviews |
Traveling to a place near San Juan?
Book flights to San Juan if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ontario to San Juan?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to San Juan. momondo saves you time and could save you money on your trip.
Can I find flights from Ontario to San Juan with flexible booking policies on momondo?
Yes. All flights to San Juan 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 San Juan?
Once you have performed a search for Ontario to San Juan flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Ontario to San Juan right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Ontario to San Juan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.