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Cheap flights from San Juan Luis Munoz Marin Intl Airport to Los Angeles from $192

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Juan Luis Munoz Marin Intl Airport to Los Angeles departing on 11/10. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Juan Luis Munoz Marin Intl Airport to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:46 pm - 10:14 pm
SJU
-
ONT
12h 28m
1 stop
Delta Logo
5:50 pm - 11:56 am
ONT
-
SJU
15h 06m
2 stops
$384Delta
Thu, Oct 15 - Mon, Oct 19
American Airlines Logo
8:35 am - 8:04 pm
SJU
-
ONT
14h 29m
1 stop
American Airlines Logo
8:00 pm - 1:04 pm
ONT
-
SJU
14h 04m
2 stops
$393American Airlines
Wed, Oct 28 - Sat, Oct 31
American Airlines Logo
2:58 pm - 9:29 am
SJU
-
ONT
21h 31m
2 stops
American Airlines Logo
1:05 pm - 11:00 am
ONT
-
SJU
18h 55m
2 stops
$437American Airlines
Wed, Sep 16 - Sat, Sep 19
Delta Logo
1:46 pm - 10:14 pm
SJU
-
ONT
12h 28m
1 stop
Delta Logo
5:50 pm - 1:05 pm
ONT
-
SJU
15h 15m
2 stops
$442Delta
Fri, Nov 6 - Mon, Nov 9
United Airlines Logo
7:00 am - 8:01 pm
SJU
-
ONT
16h 01m
2 stops
United Airlines Logo
5:00 am - 5:38 pm
ONT
-
SJU
9h 38m
1 stop
$474United Airlines
Wed, Sep 23 - Sat, Sep 26
United Airlines Logo
2:00 pm - 8:58 pm
SJU
-
ONT
9h 58m
1 stop
United Airlines Logo
5:00 am - 6:25 pm
ONT
-
SJU
9h 25m
1 stop
$479United Airlines
Sat, Oct 24 - Sun, Nov 1
United Airlines Logo
7:00 am - 8:01 pm
SJU
-
ONT
16h 01m
2 stops
United Airlines Logo
5:00 am - 5:38 pm
ONT
-
SJU
9h 38m
1 stop
$484United Airlines
Wed, Sep 23 - Sat, Sep 26
JetBlue Logo
11:50 am - 10:38 pm
SJU
-
ONT
13h 48m
1 stop
JetBlue Logo
11:59 pm - 3:59 pm
ONT
-
SJU
13h 00m
1 stop
$491JetBlue
Fri, Aug 28 - Mon, Aug 31
American Airlines Logo
6:44 am - 6:22 pm
SJU
-
ONT
15h 38m
1 stop
American Airlines Logo
10:34 pm - 9:32 pm
ONT
-
SJU
18h 58m
1 stop
$504American Airlines
Sat, Nov 7 - Mon, Nov 23
JetBlue Logo
1:10 pm - 9:59 pm
SJU
-
ONT
11h 49m
1 stop
JetBlue Logo
11:51 pm - 3:59 pm
ONT
-
SJU
13h 08m
1 stop
$533JetBlue
Sat, Jul 18 - Mon, Aug 3

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

Our best JetBlue deals on San Juan Luis Munoz Marin Intl Airport to Ontario flight tickets
JetBlue
Aug 28
SJU11:50 amSan Juan Luis Munoz Marin Intl
13h 48m
1 stop
ONT10:38 pmOntario
Aug 31
ONT11:59 pmOntario
13h 00m
1 stop
SJU3:59 pmSan Juan Luis Munoz Marin Intl
$491
JetBlue
Jul 18
SJU1:10 pmSan Juan Luis Munoz Marin Intl
11h 49m
1 stop
ONT9:59 pmOntario
Aug 3
ONT11:51 pmOntario
13h 08m
1 stop
SJU3:59 pmSan Juan Luis Munoz Marin Intl
$533
JetBlue
Jul 14
SJU1:40 pmSan Juan Luis Munoz Marin Intl
10h 02m
1 stop
ONT8:42 pmOntario
Jul 15
ONT5:45 amOntario
11h 53m
1 stop
SJU8:38 pmSan Juan Luis Munoz Marin Intl
$534

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

Our best United Airlines deals on San Juan Luis Munoz Marin Intl Airport to Ontario flight tickets
United Airlines
Sep 23
SJU7:00 amSan Juan Luis Munoz Marin Intl
16h 01m
2 stops
ONT8:01 pmOntario
Sep 26
ONT5:00 amOntario
9h 38m
1 stop
SJU5:38 pmSan Juan Luis Munoz Marin Intl
$474
United Airlines
Oct 24
SJU2:00 pmSan Juan Luis Munoz Marin Intl
9h 58m
1 stop
ONT8:58 pmOntario
Nov 1
ONT5:00 amOntario
9h 25m
1 stop
SJU6:25 pmSan Juan Luis Munoz Marin Intl
$479
United Airlines
Sep 23
SJU7:00 amSan Juan Luis Munoz Marin Intl
16h 01m
2 stops
ONT8:01 pmOntario
Sep 26
ONT5:00 amOntario
9h 38m
1 stop
SJU5:38 pmSan Juan Luis Munoz Marin Intl
$484

momondo Fare Finder

 
Customize your flight search to find flights from San Juan Luis Munoz Marin Intl Airport to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 22, 2026.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Thu 10/15

12:46 pm-10:14 pm

1 stop12h 28m

Ontario

Mon 10/19

5:50 pm-11:56 am

2 stops15h 06m

$384

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Wed 10/28

8:35 am-8:04 pm

1 stop14h 29m

Ontario

Sat 10/31

8:00 pm-1:04 pm

2 stops14h 04m

$393

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Wed 9/16

2:58 pm-9:29 am

2 stops21h 31m

Ontario

Sat 9/19

1:05 pm-11:00 am

2 stops18h 55m

$437

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Fri 11/6

1:46 pm-10:14 pm

1 stop12h 28m

Ontario

Mon 11/9

5:50 pm-1:05 pm

2 stops15h 15m

$442

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Wed 9/23

7:00 am-8:01 pm

2 stops16h 01m

Ontario

Sat 9/26

5:00 am-5:38 pm

1 stop9h 38m

$474
Quickest round-trip

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Sat 10/24

2:00 pm-8:58 pm

1 stop9h 58m

Ontario

Sun 11/1

5:00 am-6:25 pm

1 stop9h 25m

$479

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Wed 9/23

7:00 am-8:01 pm

2 stops16h 01m

Ontario

Sat 9/26

5:00 am-5:38 pm

1 stop9h 38m

$484

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Fri 8/28

11:50 am-10:38 pm

1 stop13h 48m

Ontario

Mon 8/31

11:59 pm-3:59 pm

1 stop13h 00m

$491

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Sat 11/7

6:44 am-6:22 pm

1 stop15h 38m

Ontario

Mon 11/23

10:34 pm-9:32 pm

1 stop18h 58m

$504

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

Sat 7/18

1:10 pm-9:59 pm

1 stop11h 49m

Ontario

Mon 8/3

11:51 pm-3:59 pm

1 stop13h 08m

$533

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from San Juan Luis Munoz Marin Intl Airport to Ontario

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 San Juan Luis Munoz Marin Intl Airport and Ontario?

What is the cheapest month to fly to Ontario?

In general, January is the cheapest month to fly from San Juan Luis Munoz Marin Intl Airport to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $288. If you aren’t able to travel during the month of January, then book flights to Ontario from San Juan Luis Munoz Marin Intl Airport during April instead. Flights to Ontario in April, while not as cheap as those in January, still average around $388.

How far in advance should I book a flight from San Juan Luis Munoz Marin Intl Airport to Ontario?

You are more likely to see cheaper flights to Ontario from San Juan Luis Munoz Marin Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $483 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from San Juan Luis Munoz Marin Intl Airport for as low as $365 on momondo.

Can stopping save me money on San Juan Luis Munoz Marin Intl Airport to Ontario flights?

You could potentially save up to 33% on your flight if you consider stops on a San Juan Luis Munoz Marin Intl Airport to Ontario flight.

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

As of June 2026, prices for San Juan Luis Munoz Marin Intl Airport to Ontario flights are approximately 40% cheaper when compared to flights at the same time last year.

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

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

Cheap San Juan Luis Munoz Marin Intl Airport to Ontario (SJU to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Juan Luis Munoz Marin Intl Airport to Ontario

Fastest flight time

10h 02m

Direct flights

None
The fastest flight from San Juan Luis Munoz Marin Intl Airport to Ontario takes 10h 02m
There are no direct flights from San Juan Luis Munoz Marin Intl Airport to Ontario. There are no popular flight routes from San Juan Luis Munoz Marin Intl Airport to Ontario.
Search flight deals

Frequently asked questions about flying from San Juan Luis Munoz Marin Intl Airport to Ontario

  • How far is San Juan Luis Munoz Marin Intl to Ontario by plane?

    A flight from San Juan Luis Munoz Marin Intl to Ontario will travel around 3337.2 mi. By plane, this route typically takes 10h 02m.

  • When did momondo last update prices for flights from San Juan Luis Munoz Marin Intl Airport to Ontario Airport?

    Prices for flights from San Juan Luis Munoz Marin Intl Airport to Ontario Airport were last updated today.

  • How many operators does momondo search for flights from San Juan Luis Munoz Marin Intl Airport to Ontario Airport?

  • How old do you have to be to fly from San Juan Luis Munoz Marin Intl Airport to Ontario Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Juan Luis Munoz Marin Intl Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from San Juan Luis Munoz Marin Intl Airport to Ontario?

Best airlines flying from San Juan Luis Munoz Marin Intl Airport to Ontario

Compare and see reviews for airlines that fly from San Juan Luis Munoz Marin Intl Airport to Ontario with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $365Free CancellationRating
7.1
11,739 reviews
Search American Airlines flights
United AirlinesPriceFrom $367Free CancellationRating
7.4
9,875 reviews
Search United Airlines flights
SouthwestPriceFrom $389Free CancellationRating
7.9
4,243 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from San Juan to Ontario?

Finding the right flight to Ontario from San Juan is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

Can I find flights from San Juan to Ontario with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for San Juan to Ontario flights to just show those with flexible booking policies.

How can momondo help me find flights from San Juan to Ontario?

momondo provides multiple filters to help you find the best flight to Ontario from San Juan. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from San Juan to Ontario right now. Can momondo alert me if prices change?

Price alerts on flights to Ontario from San Juan are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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