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Cheap flights from Ontario to San Juan Luis Munoz Marin Intl Airport from $178

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 San Juan Luis Munoz Marin Intl Airport departing on 4/25. 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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Find the cheapest flights from Ontario to San Juan

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Ontario to San Juan.
8:04 pm - 4:20 pmONT-SJU
17h 16m2 stops
5:25 pm - 9:39 amSJU-ONT
19h 14m2 stops
$355American Airlines
Find Deal
mié., sep. 10 - jue., sep. 18
10:15 pm - 2:19 pmONT-SJU
13h 04m1 stop
3:34 pm - 10:36 pmSJU-ONT
10h 02m1 stop
$390Delta
Find Deal
vie., abr. 25 - vie., may. 2
11:59 pm - 2:27 pmONT-SJU
11h 28m1 stop
7:15 am - 6:20 pmSJU-ONT
14h 05m2 stops
$405American Airlines
Find Deal
vie., abr. 25 - vie., may. 2
10:40 pm - 11:10 amONT-SJU
9h 30m1 stop
6:30 am - 6:23 pmSJU-ONT
14h 53m2 stops
$414American Airlines
Find Deal
dom., may. 11 - sáb., may. 17
5:45 am - 5:30 pmONT-SJU
8h 45m1 stop
7:00 am - 8:17 pmSJU-ONT
16h 17m2 stops
$445United Airlines
Find Deal
sáb., ago. 30 - lun., sep. 1
6:10 am - 8:38 pmONT-SJU
11h 28m1 stop
2:55 pm - 9:58 pmSJU-ONT
10h 03m1 stop
$465United Airlines
Find Deal
mar., abr. 22 - mar., abr. 29
10:59 pm - 12:34 pmONT-SJU
10h 35m1 stop
11:58 am - 9:11 pmSJU-ONT
12h 13m1 stop
$482JetBlue
Find Deal
dom., may. 11 - sáb., may. 17
10:40 pm - 4:00 pmONT-SJU
14h 20m1 stop
11:58 am - 9:11 pmSJU-ONT
12h 13m1 stop
$516JetBlue
Find Deal
vie., may. 2 - sáb., may. 10
7:00 am - 11:14 pmONT-SJU
13h 14m1 stop
2:20 pm - 11:41 pmSJU-ONT
12h 21m2 stops
$555Delta
Find Deal
jue., abr. 10 - mar., abr. 15
8:00 am - 11:55 pmONT-SJU
12h 55m2 stops
10:45 am - 9:05 pmSJU-ONT
13h 20m2 stops
$845Southwest
Find Deal
jue., may. 22 - lun., may. 26

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
Delta
Apr 25
ONT10:15 pmOntario
13h 04m
1 stop
SJU2:19 pmSan Juan Luis Munoz Marin Intl
May 2
SJU3:34 pmSan Juan Luis Munoz Marin Intl
10h 02m
1 stop
ONT10:36 pmOntario
Delta
Apr 10
ONT7:00 amOntario
13h 14m
1 stop
SJU11:14 pmSan Juan Luis Munoz Marin Intl
Apr 15
SJU2:20 pmSan Juan Luis Munoz Marin Intl
12h 21m
2 stops
ONT11:41 pmOntario

United Airlines flights from Ontario to San Juan Luis Munoz Marin Intl Airport

Our best United Airlines deals on Ontario to San Juan Luis Munoz Marin Intl Airport flight tickets
United Airlines
Aug 30
ONT5:45 amOntario
8h 45m
1 stop
SJU5:30 pmSan Juan Luis Munoz Marin Intl
Sep 1
SJU7:00 amSan Juan Luis Munoz Marin Intl
16h 17m
2 stops
ONT8:17 pmOntario
United Airlines
Apr 22
ONT6:10 amOntario
11h 28m
1 stop
SJU8:38 pmSan Juan Luis Munoz Marin Intl
Apr 29
SJU2:55 pmSan Juan Luis Munoz Marin Intl
10h 03m
1 stop
ONT9:58 pmOntario
United Airlines
Sep 17
ONT6:04 amOntario
11h 34m
1 stop
SJU8:38 pmSan Juan Luis Munoz Marin Intl
Sep 22
SJU2:55 pmSan Juan Luis Munoz Marin Intl
10h 01m
1 stop
ONT9:56 pmOntario

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 $420.

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 9 weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $550 when searching 9 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 $429 on momondo.

How have Ontario to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of March 2025, prices for Ontario to San Juan Luis Munoz Marin Intl Airport flights are approximately 54% more expensive when compared to flights at the same time last year.

When to book flights from Ontario to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Best Price Found

$178

Fastest flight time

8h 45m

Direct flights

None
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Ontario in the past 72 hours is $178. The best round-trip flight deal from Ontario to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $355.
The fastest flight from Ontario to San Juan Luis Munoz Marin Intl Airport takes 8h 45m
There are no direct flights from Ontario to San Juan Luis Munoz Marin Intl Airport. Popular non-direct route for this connection is Ontario Airport - 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 45m 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?

  • 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?


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
FrontierPriceFrom $84Free CancellationRating
6.0
3,271 reviews
Search Frontier flights
JetBluePriceFrom $273Free CancellationRating
7.3
2,923 reviews
Search JetBlue flights
United AirlinesPriceFrom $322Free CancellationRating
7.4
8,603 reviews
Search United Airlines flights
DeltaPriceFrom $334Free CancellationRating
8.0
7,895 reviews
Search Delta flights
American AirlinesPriceFrom $358Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $374Free CancellationRating
8.0
4,274 reviews
Search Southwest flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Rio Grande
Humacao
Caguas
Bayamón

Why 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.


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