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Cheap flights from San Juan Luis Munoz Marin Intl Airport to Los Angeles from $134

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 2/19. 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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0 bags

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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.
Multiple Airlines Logo
7:44 pm - 7:26 am
SJU
-
ONT
15h 42m
1 stop
Multiple Airlines Logo
6:43 pm - 11:37 am
ONT
-
SJU
36h 54m
2 stops
$315Multiple Airlines
vie., feb. 13 - lun., feb. 23
Multiple Airlines Logo
7:44 pm - 7:26 am
SJU
-
ONT
15h 42m
1 stop
Multiple Airlines Logo
2:06 pm - 11:37 am
ONT
-
SJU
17h 31m
1 stop
$345Multiple Airlines
vie., feb. 13 - lun., feb. 23
Multiple Airlines Logo
7:54 pm - 7:26 am
SJU
-
ONT
39h 32m
2 stops
Multiple Airlines Logo
2:06 pm - 11:37 am
ONT
-
SJU
17h 31m
1 stop
$350Multiple Airlines
jue., feb. 12 - lun., feb. 23
American Airlines Logo
8:40 am - 9:24 pm
SJU
-
ONT
16h 44m
1 stop
American Airlines Logo
11:59 pm - 12:55 pm
ONT
-
SJU
8h 56m
1 stop
$373American Airlines
jue., feb. 12 - lun., feb. 23
JetBlue Logo
1:50 pm - 10:09 pm
SJU
-
ONT
11h 19m
1 stop
JetBlue Logo
11:25 pm - 1:47 pm
ONT
-
SJU
11h 22m
1 stop
$385JetBlue
vie., may. 29 - mié., jun. 24
United Airlines Logo
1:40 pm - 8:36 pm
SJU
-
ONT
9h 56m
1 stop
United Airlines Logo
6:05 am - 8:38 pm
ONT
-
SJU
11h 33m
1 stop
$394United Airlines
mié., abr. 15 - lun., abr. 20
Multiple Airlines Logo
3:08 am - 7:12 am
SJU
-
ONT
31h 04m
2 stops
Multiple Airlines Logo
7:40 pm - 11:07 am
ONT
-
SJU
12h 27m
1 stop
$398Multiple Airlines
mar., mar. 24 - lun., abr. 13
JetBlue Logo
1:50 pm - 10:09 pm
SJU
-
ONT
11h 19m
1 stop
JetBlue Logo
11:25 pm - 1:47 pm
ONT
-
SJU
11h 22m
1 stop
$399JetBlue
vie., may. 22 - dom., may. 24
American Airlines Logo
6:00 am - 6:45 pm
SJU
-
ONT
16h 45m
2 stops
American Airlines Logo
7:16 am - 10:26 pm
ONT
-
SJU
11h 10m
1 stop
$400American Airlines
mié., feb. 4 - dom., feb. 8
JetBlue Logo
1:50 pm - 10:09 pm
SJU
-
ONT
11h 19m
1 stop
JetBlue Logo
11:25 pm - 12:49 pm
ONT
-
SJU
10h 24m
1 stop
$401JetBlue
mié., may. 27 - sáb., may. 30

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
May 29
SJU1:50 pmSan Juan Luis Munoz Marin Intl
11h 19m
1 stop
ONT10:09 pmOntario
Jun 24
ONT11:25 pmOntario
11h 22m
1 stop
SJU1:47 pmSan Juan Luis Munoz Marin Intl
$385
JetBlue
May 22
SJU1:50 pmSan Juan Luis Munoz Marin Intl
11h 19m
1 stop
ONT10:09 pmOntario
May 24
ONT11:25 pmOntario
11h 22m
1 stop
SJU1:47 pmSan Juan Luis Munoz Marin Intl
$399
JetBlue
May 27
SJU1:50 pmSan Juan Luis Munoz Marin Intl
11h 19m
1 stop
ONT10:09 pmOntario
May 30
ONT11:25 pmOntario
10h 24m
1 stop
SJU12:49 pmSan Juan Luis Munoz Marin Intl
$401

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
Feb 19
SJU3:46 pmSan Juan Luis Munoz Marin Intl
10h 13m
1 stop
ONT9:59 pmOntario
Feb 23
ONT9:06 pmOntario
15h 30m
2 stops
SJU4:36 pmSan Juan Luis Munoz Marin Intl
$374
United Airlines
Apr 15
SJU1:40 pmSan Juan Luis Munoz Marin Intl
9h 56m
1 stop
ONT8:36 pmOntario
Apr 20
ONT6:05 amOntario
11h 33m
1 stop
SJU8:38 pmSan Juan Luis Munoz Marin Intl
$394
United Airlines
Apr 22
SJU1:40 pmSan Juan Luis Munoz Marin Intl
9h 56m
1 stop
ONT8:36 pmOntario
Apr 26
ONT5:10 amOntario
9h 28m
1 stop
SJU5:38 pmSan Juan Luis Munoz Marin Intl
$424

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 enero 21, 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

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

vie. 2/13

7:44 pm-7:26 am

1 stop15h 42m

Ontario

lun. 2/23

6:43 pm-11:37 am

2 stops36h 54m

$315

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

vie. 2/13

7:44 pm-7:26 am

1 stop15h 42m

Ontario

lun. 2/23

2:06 pm-11:37 am

1 stop17h 31m

$345

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

jue. 2/12

7:54 pm-7:26 am

2 stops39h 32m

Ontario

lun. 2/23

2:06 pm-11:37 am

1 stop17h 31m

$350

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

jue. 2/12

8:40 am-9:24 pm

1 stop16h 44m

Ontario

lun. 2/23

11:59 pm-12:55 pm

1 stop8h 56m

$373

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

vie. 5/29

1:50 pm-10:09 pm

1 stop11h 19m

Ontario

mié. 6/24

11:25 pm-1:47 pm

1 stop11h 22m

$385

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

mié. 4/15

1:40 pm-8:36 pm

1 stop9h 56m

Ontario

lun. 4/20

6:05 am-8:38 pm

1 stop11h 33m

$394

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

mar. 3/24

3:08 am-7:12 am

2 stops31h 04m

Ontario

lun. 4/13

7:40 pm-11:07 am

1 stop12h 27m

$398

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

vie. 5/22

1:50 pm-10:09 pm

1 stop11h 19m

Ontario

dom. 5/24

11:25 pm-1:47 pm

1 stop11h 22m

$399

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

mié. 2/4

6:00 am-6:45 pm

2 stops16h 45m

Ontario

dom. 2/8

7:16 am-10:26 pm

1 stop11h 10m

$400

San JuanOntario

SJU - ONT

SJUONT

San Juan Luis Munoz Marin Intl

mié. 5/27

1:50 pm-10:09 pm

1 stop11h 19m

Ontario

sáb. 5/30

11:25 pm-12:49 pm

1 stop10h 24m

$401

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

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 cheapest month to fly to Ontario?

In general, July 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 $333. If you aren’t able to travel during the month of July, then book flights to Ontario from San Juan Luis Munoz Marin Intl Airport during March instead. Flights to Ontario in March, while not as cheap as those in July, still average around $358.

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

You could potentially save up to 5% 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 January 2026, prices for San Juan Luis Munoz Marin Intl Airport to Ontario flights are approximately 7% more expensive 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

9h 31m

Direct flights

None
The fastest flight from San Juan Luis Munoz Marin Intl Airport to Ontario takes 9h 31m
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

  • 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 9h 31m.

  • 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 $355Free CancellationRating
7.2
11,169 reviews
Search American Airlines flights
United AirlinesPriceFrom $367Free CancellationRating
7.4
9,188 reviews
Search United Airlines 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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