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Cheap flights from Los Angeles to San Juan from $133

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Los Angeles to San Juan departing on 9/25. 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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0 bags

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Find the cheapest flights from Los Angeles to San Juan

Cheap round-trip flights

Frontier Logo
10:39 pm - 12:16 pmLAX-SJU
10h 37m1 stop
Frontier Logo
2:17 pm - 8:28 amSJU-LAX
21h 11m1 stop
$275Frontier
Find Deal
Mon, Oct 13 - Sat, Oct 18
Spirit Airlines Logo
12:53 am - 4:23 pmLAX-SJU
12h 30m1 stop
Spirit Airlines Logo
9:49 pm - 9:08 amSJU-LAX
15h 19m1 stop
$276Spirit Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Spirit Airlines Logo
6:54 pm - 4:23 pmLAX-SJU
18h 29m1 stop
Spirit Airlines Logo
9:49 pm - 9:08 amSJU-LAX
15h 19m1 stop
$277Spirit Airlines
Find Deal
Fri, Oct 31 - Thu, Nov 6
Spirit Airlines Logo
12:09 am - 2:59 pmLAX-SJU
11h 50m1 stop
Spirit Airlines Logo
11:51 am - 8:06 amSJU-LAX
23h 15m2 stops
$278Spirit Airlines
Find Deal
Wed, Oct 15 - Thu, Oct 23
Spirit Airlines Logo
6:41 pm - 4:18 pmLAX-SJU
18h 37m1 stop
Spirit Airlines Logo
2:49 am - 9:25 pmSJU-LAX
21h 36m3 stops
$279Spirit Airlines
Find Deal
Wed, Oct 1 - Mon, Oct 6
Multiple Airlines Logo
2:27 pm - 2:30 amLAX-SJU
9h 03m1 stop
Multiple Airlines Logo
8:00 am - 3:52 pmSJU-LAX
10h 52m1 stop
$280Multiple Airlines
Find Deal
Tue, Oct 21 - Mon, Oct 27
Spirit Airlines Logo
5:07 pm - 2:17 pmLAX-SJU
18h 10m1 stop
Spirit Airlines Logo
8:00 am - 3:52 pmSJU-LAX
10h 52m1 stop
$281Spirit Airlines
Find Deal
Wed, Oct 1 - Mon, Oct 6
Frontier Logo
2:27 pm - 2:30 amLAX-SJU
9h 03m1 stop
Frontier Logo
1:17 pm - 8:28 amSJU-LAX
22h 11m1 stop
$286Frontier
Find Deal
Fri, Oct 17 - Tue, Oct 21
United Airlines Logo
5:00 am - 5:25 pmLAX-SJU
9h 25m1 stop
United Airlines Logo
5:50 pm - 12:59 amSJU-LAX
11h 09m1 stop
$291United Airlines
Find Deal
Tue, Oct 28 - Fri, Nov 7
United Airlines Logo
12:25 am - 2:40 pmLAX-SJU
11h 15m1 stop
United Airlines Logo
4:52 pm - 11:59 pmSJU-LAX
11h 07m1 stop
$295United Airlines
Find Deal
Mon, Oct 27 - Fri, Nov 7

Frontier flights from Los Angeles to San Juan

Our best Frontier deals on Los Angeles to San Juan flight tickets
Frontier
Oct 13
LAX10:39 pmLos Angeles
10h 37m
1 stop
SJU12:16 pmSan Juan Luis Munoz Marin Intl
Oct 18
SJU2:17 pmSan Juan Luis Munoz Marin Intl
21h 11m
1 stop
LAX8:28 amLos Angeles
$275
Find similar
Frontier
Sep 21
LAX9:31 pmLos Angeles
10h 30m
1 stop
SJU11:01 amSan Juan Luis Munoz Marin Intl
Sep 25
SJU12:06 pmSan Juan Luis Munoz Marin Intl
11h 30m
1 stop
LAX8:36 pmLos Angeles
$284
Find similar
Frontier
Oct 17
LAX2:27 pmLos Angeles
9h 03m
1 stop
SJU2:30 amSan Juan Luis Munoz Marin Intl
Oct 21
SJU1:17 pmSan Juan Luis Munoz Marin Intl
22h 11m
1 stop
LAX8:28 amLos Angeles
$286
Find similar

United Airlines flights from Los Angeles to San Juan

Our best United Airlines deals on Los Angeles to San Juan flight tickets
United Airlines
Oct 28
LAX5:00 amLos Angeles
9h 25m
1 stop
SJU5:25 pmSan Juan Luis Munoz Marin Intl
Nov 7
SJU5:50 pmSan Juan Luis Munoz Marin Intl
11h 09m
1 stop
LAX12:59 amLos Angeles
$291
Find similar
United Airlines
Oct 27
LAX12:25 amLos Angeles
11h 15m
1 stop
SJU2:40 pmSan Juan Luis Munoz Marin Intl
Nov 7
SJU4:52 pmSan Juan Luis Munoz Marin Intl
11h 07m
1 stop
LAX11:59 pmLos Angeles
$295
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Los Angeles to San Juan 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 September 17, 2025.
Use the filters below to find and compare flights from Los Angeles to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Mon 10/13

10:39 pm-12:16 pm

1 stop10h 37m

San Juan Luis Munoz Marin Intl

Sat 10/18

2:17 pm-8:28 am

1 stop21h 11m

$275

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Thu 10/30

12:53 am-4:23 pm

1 stop12h 30m

San Juan Luis Munoz Marin Intl

Thu 11/6

9:49 pm-9:08 am

1 stop15h 19m

$276

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Fri 10/31

6:54 pm-4:23 pm

1 stop18h 29m

San Juan Luis Munoz Marin Intl

Thu 11/6

9:49 pm-9:08 am

1 stop15h 19m

$277

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Wed 10/15

12:09 am-2:59 pm

1 stop11h 50m

San Juan Luis Munoz Marin Intl

Thu 10/23

11:51 am-8:06 am

2 stops23h 15m

$278

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Wed 10/1

6:41 pm-4:18 pm

1 stop18h 37m

San Juan Luis Munoz Marin Intl

Mon 10/6

2:49 am-9:25 pm

3 stops21h 36m

$279

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Tue 10/21

2:27 pm-2:30 am

1 stop9h 03m

San Juan Luis Munoz Marin Intl

Mon 10/27

8:00 am-3:52 pm

1 stop10h 52m

$280

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Wed 10/1

5:07 pm-2:17 pm

1 stop18h 10m

San Juan Luis Munoz Marin Intl

Mon 10/6

8:00 am-3:52 pm

1 stop10h 52m

$281

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Fri 10/17

2:27 pm-2:30 am

1 stop9h 03m

San Juan Luis Munoz Marin Intl

Tue 10/21

1:17 pm-8:28 am

1 stop22h 11m

$286

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Tue 10/28

5:00 am-5:25 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Fri 11/7

5:50 pm-12:59 am

1 stop11h 09m

$291

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Mon 10/27

12:25 am-2:40 pm

1 stop11h 15m

San Juan Luis Munoz Marin Intl

Fri 11/7

4:52 pm-11:59 pm

1 stop11h 07m

$295

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 San Juan from

How to get the cheapest flight ticket from Los Angeles to San Juan

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 Los Angeles and San Juan?

What is the cheapest month to fly to San Juan?

If you’re not able to fly to San Juan in October, then April is your next best option. Flight prices from Los Angeles to San Juan during April average around $397.

What is the cheapest day to depart on your flight to San Juan?

The cheapest day to depart from Los Angeles to San Juan is on a Sunday when prices can be found for as low as $520. The most expensive day to fly to San Juan is Saturday, with ticket prices averaging around $538.

What is the cheapest time of day to depart on your flight to San Juan?

The cheapest time of day to fly to San Juan is at noon when flights can be purchased for as low as $388. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $481 on average. Flights to San Juan from Los Angeles in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Los Angeles to San Juan flight route?

Fly from Los Angeles to San Juan Luis Munoz Marin Intl for the best Los Angeles - San Juan flight prices

How far in advance should I book a flight to San Juan?

You are more likely to see cheaper flights to San Juan from Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around $469 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from Los Angeles for as low as $419 on momondo.

What cabin class options are available on Los Angeles to San Juan flights?

There is only 1 cabin class available to choose from on Los Angeles to San Juan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Los Angeles to San Juan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Los Angeles to San Juan

Direct flights

None
There are no direct flights from Los Angeles to San Juan. There are no popular flight routes from Los Angeles to San Juan.
Search flight deals

  • How far is Los Angeles to San Juan by plane?

    San Juan is 3368.1 mi away from Los Angeles. A reasonable flight in good conditions will take 9h 03m.

  • When did momondo last update prices for flights from Los Angeles Airport to San Juan?

    Prices for flights from Los Angeles Airport to San Juan refresh daily.

  • How many operators does momondo search for flights from Los Angeles Airport to San Juan?

  • How old do you have to be to fly from Los Angeles Airport to San Juan?

    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 Los Angeles Airport to San Juan.

  • What documentation or ID do you need to fly to San Juan?

    The travel and health documents required for your trip to San Juan 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 San Juan. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Los Angeles to San Juan

Compare and see reviews for airlines that fly from Los Angeles to San Juan with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $146Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $230Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $312Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
JetBluePriceFrom $317Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
DeltaPriceFrom $318Free CancellationRating
7.9
7,961 reviews
Search Delta flights
American AirlinesPriceFrom $331Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $398Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Juan from Los Angeles.

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

Yes. All flights to San Juan from Los Angeles on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Los Angeles to San Juan.

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

If you are not ready to book a flight from Los Angeles to San Juan now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Juan and let you know when they change.

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Find better results for your trip to Puerto Rico

Fly into one of these airports located in San Juan

Airports listed have a maximum distance of 7.1 mi from San Juan
San Juan Isla Grande Airport
San Juan Luis Munoz Marin Intl Airport