Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Ontario to San Juan Luis Munoz Marin Intl Airport from $93

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 3/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

Save money when you book flights with momondo
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

These are some of the best round-trip flight deals from Ontario to San Juan that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Ontario to San Juan.

Cheap last minute flights

Planning a quick getaway from Ontario to San Juan? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Juan, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Ontario to San Juan

Find recent round-trip train or bus tickets from Ontario to San Juan.

All round-trip flight deals from Ontario to San Juan

The cheapest plane tickets from Ontario to San Juan found on KAYAK recently.
7:05 am - 11:46 pmONT-SJU
12h 41m1 stop
4:15 pm - 10:52 pmSJU-ONT
10h 37m1 stop
$345Delta
Find Deal
Tue, Feb 18 - Thu, Feb 27
6:05 am - 11:55 pmONT-SJU
13h 50m2 stops
8:15 am - 9:02 pmSJU-ONT
16h 47m1 stop
$350American Airlines
Find Deal
Wed, Feb 19 - Wed, Feb 26
10:50 pm - 11:49 amONT-SJU
8h 59m1 stop
2:25 pm - 9:02 pmSJU-ONT
10h 37m1 stop
$370American Airlines
Find Deal
Sun, Feb 16 - Thu, Feb 20
10:44 am - 6:52 pmONT-SJU
29h 08m2 stops
9:45 am - 7:26 amSJU-ONT
48h 41m2 stops
$413Frontier
Find Deal
Thu, Mar 27 - Sat, Mar 29
5:05 am - 6:25 pmONT-SJU
9h 20m1 stop
6:45 am - 8:10 pmSJU-ONT
16h 25m2 stops
$435United Airlines
Find Deal
Wed, Mar 5 - Tue, Mar 11
7:05 am - 11:46 pmONT-SJU
12h 41m1 stop
12:50 pm - 10:52 pmSJU-ONT
14h 02m1 stop
$450Delta
Find Deal
Sat, Feb 8 - Thu, Feb 20
5:05 am - 9:46 pmONT-SJU
12h 41m2 stops
3:46 pm - 9:59 pmSJU-ONT
10h 13m1 stop
$460United Airlines
Find Deal
Tue, Feb 25 - Mon, Mar 3
7:55 pm - 9:45 amONT-SJU
10h 50m2 stops
5:35 am - 4:10 pmSJU-ONT
13h 35m2 stops
$468Southwest
Find Deal
Tue, Mar 25 - Tue, Apr 1
5:45 am - 9:40 pmONT-SJU
11h 55m2 stops
5:35 am - 3:55 pmSJU-ONT
13h 20m2 stops
$500Southwest
Find Deal
Wed, Mar 5 - Mon, Mar 10
12:59 am - 2:49 pmONT-SJU
34h 50m2 stops
6:00 am - 1:43 pmSJU-ONT
34h 43m2 stops
$856Frontier
Find Deal
Thu, Mar 20 - Sun, Mar 23
2:43 pm - 1:07 pmONT-SJU
19h 24m2 stops
$93Frontier
Find Deal
Wed, Mar 26
2:43 pm - 11:49 amONT-SJU
18h 06m2 stops
$94Frontier
Find Deal
Tue, Mar 25
10:59 pm - 1:30 pmONT-SJU
11h 31m1 stop
$173Delta
Find Deal
Wed, Apr 16
12:50 pm - 4:50 amONT-SJU
13h 00m2 stops
$206American Airlines
Find Deal
Tue, Apr 15
10:40 pm - 2:45 pmONT-SJU
13h 05m1 stop
$208American Airlines
Find Deal
Tue, Apr 15
6:05 am - 8:38 pmONT-SJU
11h 33m1 stop
$217United Airlines
Find Deal
Sun, Apr 13
5:05 am - 5:25 pmONT-SJU
9h 20m1 stop
$218United Airlines
Find Deal
Tue, Mar 25
8:33 pm - 9:21 amONT-SJU
32h 48m3 stops
Sun, Jan 26
7:00 am - 11:07 pmONT-SJU
13h 07m1 stop
$428Delta
Find Deal
Mon, Mar 24
1:09 am - 2:27 amONT-SJU
22h 18m3 stops
Wed, Mar 19
7:05 am - 9:06 pmONT-SJU
10h 01m1 stop
6:15 am - 11:55 amSJU-ONT
9h 40m1 stop
$510Delta
Find Deal
Sat, Jan 25 - Thu, Feb 20
5:10 am - 6:25 pmONT-SJU
9h 15m1 stop
3:46 pm - 9:59 pmSJU-ONT
10h 13m1 stop
$600United Airlines
Find Deal
Fri, Jan 24 - Fri, Feb 21
5:45 am - 9:40 pmONT-SJU
11h 55m2 stops
8:45 am - 5:55 pmSJU-ONT
13h 10m2 stops
$675Southwest
Find Deal
Thu, Jan 23 - Sat, Jan 25
5:10 am - 9:28 pmONT-SJU
12h 18m2 stops
3:46 pm - 9:59 pmSJU-ONT
10h 13m1 stop
$750United Airlines
Find Deal
Fri, Jan 24 - Sat, Mar 1
11:59 pm - 3:18 pmONT-SJU
11h 19m1 stop
7:45 am - 7:31 pmSJU-ONT
15h 46m2 stops
$755American Airlines
Find Deal
Thu, Jan 23 - Sat, Jan 25
5:10 am - 10:22 pmONT-SJU
13h 12m2 stops
2:05 am - 6:19 pmSJU-ONT
20h 14m2 stops
$758United Airlines
Find Deal
Thu, Jan 23 - Fri, Jan 24
5:10 am - 9:28 pmONT-SJU
12h 18m2 stops
7:45 am - 6:19 pmSJU-ONT
14h 34m2 stops
$760United Airlines
Find Deal
Fri, Jan 24 - Sat, Jan 25
8:56 pm - 9:21 amONT-SJU
32h 25m3 stops
6:55 pm - 11:01 pmSJU-ONT
32h 06m3 stops
$1,010
Find Deal
Fri, Jan 24 - Sun, Jan 26
6:00 am - 3:18 pmONT-SJU
29h 18m2 stops
6:30 am - 11:58 pmSJU-ONT
21h 28m2 stops
$1,132Alaska Airlines
Find Deal
Fri, Jan 24 - Sat, Mar 1
6:00 am - 3:18 pmONT-SJU
29h 18m2 stops
6:30 am - 11:58 pmSJU-ONT
21h 28m2 stops
$1,232Alaska Airlines
Find Deal
Fri, Jan 24 - Sat, Mar 1

Southwest flights from Ontario to San Juan Luis Munoz Marin Intl Airport

Our best Southwest deals on Ontario to San Juan Luis Munoz Marin Intl Airport flight tickets
Southwest
Mar 25
ONT7:55 pmOntario
10h 50m
2 stops
SJU9:45 amSan Juan Luis Munoz Marin Intl
Apr 1
SJU5:35 amSan Juan Luis Munoz Marin Intl
13h 35m
2 stops
ONT4:10 pmOntario
Southwest
Mar 5
ONT5:45 amOntario
11h 55m
2 stops
SJU9:40 pmSan Juan Luis Munoz Marin Intl
Mar 10
SJU5:35 amSan Juan Luis Munoz Marin Intl
13h 20m
2 stops
ONT3:55 pmOntario
Southwest
Jul 1
ONT7:35 amOntario
11h 50m
1 stop
SJU10:25 pmSan Juan Luis Munoz Marin Intl
Jul 15
SJU7:00 amSan Juan Luis Munoz Marin Intl
11h 35m
2 stops
ONT3:35 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
Mar 5
ONT5:05 amOntario
9h 20m
1 stop
SJU6:25 pmSan Juan Luis Munoz Marin Intl
Mar 11
SJU6:45 amSan Juan Luis Munoz Marin Intl
16h 25m
2 stops
ONT8:10 pmOntario
United Airlines
Feb 25
ONT5:05 amOntario
12h 41m
2 stops
SJU9:46 pmSan Juan Luis Munoz Marin Intl
Mar 3
SJU3:46 pmSan Juan Luis Munoz Marin Intl
10h 13m
1 stop
ONT9:59 pmOntario
United Airlines
Apr 15
ONT6:05 amOntario
14h 52m
2 stops
SJU11:57 pmSan Juan Luis Munoz Marin Intl
Apr 21
SJU1:40 pmSan Juan Luis Munoz Marin Intl
10h 02m
1 stop
ONT8:42 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 typical price of a round-trip flight between Ontario and San Juan Luis Munoz Marin Intl Airport?

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 $421.

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 Monday. momondo users have found tickets for Monday departures for as low as $419. 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 at noon when flights can be purchased for as low as $388. Flights in the morning are often more expensive with an average ticket price of $494.

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 $560 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 $414 on momondo.

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

As of January 2025, prices for Ontario to San Juan Luis Munoz Marin Intl Airport flights are approximately 15% 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

$93

Fastest flight time

8h 59m

Direct flights

None
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Ontario in the past 72 hours is $93. 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 $345.
The fastest flight from Ontario to San Juan Luis Munoz Marin Intl Airport takes 8h 59m
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 59m 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 $260Free CancellationRating
6.0
3,443 reviews
Search Frontier flights
JetBluePriceFrom $273Free CancellationRating
7.4
3,201 reviews
Search JetBlue flights
United AirlinesPriceFrom $322Free CancellationRating
7.4
8,984 reviews
Search United Airlines flights
DeltaPriceFrom $334Free CancellationRating
8.0
8,521 reviews
Search Delta flights
American AirlinesPriceFrom $358Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $374Free CancellationRating
8.1
4,662 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.


An easier way to manage your San Juan Luis Munoz Marin Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Sun 1/26
Sun 2/2
Email me momondo's favorite deals

Find better results for your trip to San Juan