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Cheap flights from San Juan Luis Munoz Marin Intl Airport to Los Angeles from $144

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.
Frontier Logo
6:25 am - 7:44 amSJU  San Juan Luis Munoz Marin Intl-ONT Ontario
29h 19m2 stops Fort Lauderdale Dallas/Fort Worth
Frontier Logo
7:26 pm - 1:29 pmONT  Ontario-SJU San Juan Luis Munoz Marin Intl
14h 03m2 stops San Francisco Atlanta Hartsfield-Jackson
$466Frontier
Fri, Dec 11 - Sun, Dec 13
American Airlines Logo
7:00 am - 10:53 pmSJU  San Juan Luis Munoz Marin Intl-ONT Ontario
19h 53m1 stop Charlotte Douglas
American Airlines Logo
11:59 pm - 4:27 pmONT  Ontario-SJU San Juan Luis Munoz Marin Intl
12h 28m1 stop Dallas/Fort Worth
$504American Airlines
Fri, Dec 11 - Sun, Dec 13
United Airlines Logo
8:05 am - 8:38 pmSJU  San Juan Luis Munoz Marin Intl-ONT Ontario
16h 33m2 stops Washington, D.C. Dulles Intl San Francisco
United Airlines Logo
5:00 am - 6:25 pmONT  Ontario-SJU San Juan Luis Munoz Marin Intl
9h 25m1 stop Denver Intl
$504United Airlines
Fri, Dec 11 - Sun, Dec 13
American Airlines Logo
5:17 pm - 9:42 amSJU  San Juan Luis Munoz Marin Intl-ONT Ontario
20h 25m1 stop Dallas/Fort Worth
American Airlines Logo
10:30 pm - 9:12 pmONT  Ontario-SJU San Juan Luis Munoz Marin Intl
18h 42m1 stop Charlotte Douglas
$504American Airlines
Mon, Dec 7 - Mon, Dec 14
American Airlines Logo
7:00 am - 10:07 pmSJU  San Juan Luis Munoz Marin Intl-ONT Ontario
19h 07m1 stop Charlotte Douglas
American Airlines Logo
11:59 pm - 6:03 pmONT  Ontario-SJU San Juan Luis Munoz Marin Intl
14h 04m2 stops Dallas/Fort Worth Miami
$504American Airlines
Mon, Dec 7 - Mon, Dec 14
Frontier Logo
4:07 pm - 9:37 amSJU  San Juan Luis Munoz Marin Intl-ONT Ontario
21h 30m2 stops Orlando Dallas/Fort Worth
Frontier Logo
12:36 pm - 10:37 amONT  Ontario-SJU San Juan Luis Munoz Marin Intl
18h 01m2 stops Dallas/Fort Worth Orlando
$517Frontier
Thu, Dec 3 - Mon, Dec 7
Frontier Logo
5:35 am - 6:15 pmSJU  San Juan Luis Munoz Marin Intl-ONT Ontario
16h 40m2 stops Tampa Dallas/Fort Worth
Frontier Logo
10:48 pm - 11:44 pmONT  Ontario-SJU San Juan Luis Munoz Marin Intl
20h 56m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson
$523Frontier
Thu, Dec 17 - Wed, Dec 30
American Airlines Logo
12:36 pm - 10:54 pmSJU  San Juan Luis Munoz Marin Intl-ONT Ontario
14h 18m1 stop Charlotte Douglas
American Airlines Logo
10:10 pm - 9:16 pmONT  Ontario-SJU San Juan Luis Munoz Marin Intl
19h 06m1 stop Charlotte Douglas
$528American Airlines
Wed, Dec 23 - Wed, Dec 30
American Airlines Logo
7:00 am - 10:54 pmSJU  San Juan Luis Munoz Marin Intl-ONT Ontario
19h 54m1 stop Charlotte Douglas
American Airlines Logo
7:36 pm - 12:06 pmONT  Ontario-SJU San Juan Luis Munoz Marin Intl
12h 30m2 stops Phoenix Sky Harbor Intl Miami
$529American Airlines
Wed, Dec 23 - Wed, Dec 30
American Airlines Logo
7:00 am - 10:54 pmSJU  San Juan Luis Munoz Marin Intl-ONT Ontario
19h 54m1 stop Charlotte Douglas
American Airlines Logo
10:10 pm - 9:16 pmONT  Ontario-SJU San Juan Luis Munoz Marin Intl
19h 06m1 stop Charlotte Douglas
$530American Airlines
Wed, Dec 23 - Wed, Dec 30

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

Our best Alaska Airlines deals on San Juan Luis Munoz Marin Intl Airport to Ontario flight tickets
Alaska Airlines
Dec 4
SJU3:50 pmSan Juan Luis Munoz Marin Intl
28h 15m
2 stops
ONT4:05 pmOntario
Dec 11
ONT5:01 pmOntario
16h 53m
2 stops
SJU1:54 pmSan Juan Luis Munoz Marin Intl
$784
Alaska Airlines
Nov 13
SJU6:19 amSan Juan Luis Munoz Marin Intl
20h 47m
2 stops
ONT11:06 pmOntario
Nov 20
ONT4:01 pmOntario
18h 47m
2 stops
SJU2:48 pmSan Juan Luis Munoz Marin Intl
$1,503
Alaska Airlines
Nov 25
SJU6:23 amSan Juan Luis Munoz Marin Intl
21h 08m
2 stops
ONT11:31 pmOntario
Nov 29
ONT6:00 amOntario
26h 25m
2 stops
SJU12:25 pmSan Juan Luis Munoz Marin Intl
$2,000

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
Dec 7
SJU7:40 amSan Juan Luis Munoz Marin Intl
13h 56m
2 stops
ONT5:36 pmOntario
Dec 14
ONT6:40 pmOntario
13h 10m
2 stops
SJU11:50 amSan Juan Luis Munoz Marin Intl
$537
United Airlines
Dec 3
SJU7:40 amSan Juan Luis Munoz Marin Intl
16h 58m
2 stops
ONT8:38 pmOntario
Dec 7
ONT6:40 pmOntario
14h 52m
2 stops
SJU1:32 pmSan Juan Luis Munoz Marin Intl
$604
United Airlines
Nov 22
SJU8:05 amSan Juan Luis Munoz Marin Intl
16h 10m
2 stops
ONT8:15 pmOntario
Nov 26
ONT7:00 amOntario
10h 00m
1 stop
SJU9:00 pmSan Juan Luis Munoz Marin Intl
$620

momondo Fare Finder

 
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 San Juan Luis Munoz Marin Intl - ONT Ontario

SJUONT

San Juan Luis Munoz Marin Intl

Fri 12/11

6:25 am-7:44 am

2 stops29h 19m

Ontario

Sun 12/13

7:26 pm-1:29 pm

2 stops14h 03m

$466

San JuanOntario

SJU San Juan Luis Munoz Marin Intl - ONT Ontario

SJUONT

San Juan Luis Munoz Marin Intl

Fri 12/11

7:00 am-10:53 pm

1 stop19h 53m

Ontario

Sun 12/13

11:59 pm-4:27 pm

1 stop12h 28m

$504
Quickest round-trip

San JuanOntario

SJU San Juan Luis Munoz Marin Intl - ONT Ontario

SJUONT

San Juan Luis Munoz Marin Intl

Fri 12/11

8:05 am-8:38 pm

2 stops16h 33m

Ontario

Sun 12/13

5:00 am-6:25 pm

1 stop9h 25m

$504

San JuanOntario

SJU San Juan Luis Munoz Marin Intl - ONT Ontario

SJUONT

San Juan Luis Munoz Marin Intl

Mon 12/7

5:17 pm-9:42 am

1 stop20h 25m

Ontario

Mon 12/14

10:30 pm-9:12 pm

1 stop18h 42m

$504

San JuanOntario

SJU San Juan Luis Munoz Marin Intl - ONT Ontario

SJUONT

San Juan Luis Munoz Marin Intl

Mon 12/7

7:00 am-10:07 pm

1 stop19h 07m

Ontario

Mon 12/14

11:59 pm-6:03 pm

2 stops14h 04m

$504

San JuanOntario

SJU San Juan Luis Munoz Marin Intl - ONT Ontario

SJUONT

San Juan Luis Munoz Marin Intl

Thu 12/3

4:07 pm-9:37 am

2 stops21h 30m

Ontario

Mon 12/7

12:36 pm-10:37 am

2 stops18h 01m

$517

San JuanOntario

SJU San Juan Luis Munoz Marin Intl - ONT Ontario

SJUONT

San Juan Luis Munoz Marin Intl

Thu 12/17

5:35 am-6:15 pm

2 stops16h 40m

Ontario

Wed 12/30

10:48 pm-11:44 pm

2 stops20h 56m

$523

San JuanOntario

SJU San Juan Luis Munoz Marin Intl - ONT Ontario

SJUONT

San Juan Luis Munoz Marin Intl

Wed 12/23

12:36 pm-10:54 pm

1 stop14h 18m

Ontario

Wed 12/30

10:10 pm-9:16 pm

1 stop19h 06m

$528

San JuanOntario

SJU San Juan Luis Munoz Marin Intl - ONT Ontario

SJUONT

San Juan Luis Munoz Marin Intl

Wed 12/23

7:00 am-10:54 pm

1 stop19h 54m

Ontario

Wed 12/30

7:36 pm-12:06 pm

2 stops12h 30m

$529

San JuanOntario

SJU San Juan Luis Munoz Marin Intl - ONT Ontario

SJUONT

San Juan Luis Munoz Marin Intl

Wed 12/23

7:00 am-10:54 pm

1 stop19h 54m

Ontario

Wed 12/30

10:10 pm-9:16 pm

1 stop19h 06m

$530

Flights are sorted by cheapest round-trip flights 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?

Prices are currently low for flights on this route.

Typical prices usually range from $468 to $816.
The lowest price recently found on this route was $466.

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 $571 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 $360 on momondo.

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

As of November 2026, prices for San Juan Luis Munoz Marin Intl Airport to Ontario flights are approximately 66% 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

Best Price Found

$144

Fastest flight time

9h 26m

Direct flights

None
The best one-way flight to Ontario from San Juan Luis Munoz Marin Intl Airport in the past 72 hours is $144. The best round-trip flight deal from San Juan Luis Munoz Marin Intl Airport to Ontario found on momondo in the last 72 hours is $466.
The fastest flight from San Juan Luis Munoz Marin Intl Airport to Ontario takes 9h 26m
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 9h 26m.

  • 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
SouthwestPriceFrom $389Free CancellationRating
8.0
4,216 reviews
Search Southwest flights
American AirlinesPriceFrom $440Free CancellationRating
7.0
12,225 reviews
Search American 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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