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Cheap flights from Los Angeles to San Juan from £139

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 13/5. 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
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Find the cheapest flights from Los Angeles to San Juan

Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
06:00 - 20:24
LAX
-
SJU
11h 24m
2 stops
Delta Logo
06:15 - 17:21
SJU
-
LAX
14h 06m
1 stop
£277Delta
Tue, 28 Apr - Thu, 7 May
Southwest Logo
05:00 - 00:15
LAX
-
SJU
16h 15m
1 stop
Southwest Logo
10:30 - 18:45
SJU
-
LAX
11h 15m
2 stops
£289Southwest
Fri, 31 Jul - Wed, 5 Aug
Southwest Logo
08:40 - 22:00
LAX
-
SJU
10h 20m
2 stops
Southwest Logo
14:35 - 21:20
SJU
-
LAX
9h 45m
1 stop
£301Southwest
Wed, 12 Aug - Fri, 14 Aug
JetBlue Logo
20:36 - 10:19
LAX
-
SJU
10h 43m
1 stop
JetBlue Logo
14:51 - 00:24
SJU
-
LAX
12h 33m
1 stop
£302JetBlue
Mon, 4 May - Thu, 7 May
Southwest Logo
09:35 - 23:40
LAX
-
SJU
11h 05m
2 stops
Southwest Logo
13:00 - 22:40
SJU
-
LAX
12h 40m
2 stops
£324Southwest
Tue, 28 Apr - Mon, 4 May
Delta Logo
06:15 - 22:29
LAX
-
SJU
13h 14m
2 stops
Delta Logo
14:05 - 22:27
SJU
-
LAX
11h 22m
1 stop
£330Delta
Tue, 21 Jul - Tue, 28 Jul
Southwest Logo
22:15 - 11:00
LAX
-
SJU
9h 45m
1 stop
Southwest Logo
13:50 - 22:15
SJU
-
LAX
11h 25m
2 stops
£331Southwest
Mon, 17 Aug - Sun, 6 Sep
Delta Logo
22:24 - 12:55
LAX
-
SJU
11h 31m
1 stop
Delta Logo
14:05 - 22:27
SJU
-
LAX
11h 22m
1 stop
£332Delta
Mon, 3 Aug - Wed, 5 Aug
Delta Logo
06:00 - 23:13
LAX
-
SJU
14h 13m
2 stops
Delta Logo
13:16 - 23:53
SJU
-
LAX
13h 37m
2 stops
£339Delta
Wed, 29 Apr - Thu, 7 May
United Airlines Logo
05:00 - 17:38
LAX
-
SJU
9h 38m
1 stop
United Airlines Logo
01:00 - 10:45
SJU
-
LAX
12h 45m
1 stop
£342United Airlines
Mon, 4 May - Wed, 6 May

JetBlue flights from Los Angeles to San Juan

Our best JetBlue deals on Los Angeles to San Juan flight tickets
JetBlue
4 May
LAX20:36Los Angeles
10h 43m
1 stop
SJU10:19San Juan Luis Munoz Marin Intl
7 May
SJU14:51San Juan Luis Munoz Marin Intl
12h 33m
1 stop
LAX00:24Los Angeles
£302
JetBlue
6 Apr
LAX21:15Los Angeles
8h 13m
1 stop
SJU08:28San Juan Luis Munoz Marin Intl
10 Apr
SJU13:25San Juan Luis Munoz Marin Intl
13h 28m
1 stop
LAX23:53Los Angeles
£434
JetBlue
6 Apr
LAX22:30Los Angeles
8h 04m
1 stop
SJU09:34San Juan Luis Munoz Marin Intl
12 Apr
SJU04:00San Juan Luis Munoz Marin Intl
12h 15m
1 stop
LAX13:15Los Angeles
£545

United Airlines flights from Los Angeles to San Juan

Our best United Airlines deals on Los Angeles to San Juan flight tickets
United Airlines
4 May
LAX05:00Los Angeles
9h 38m
1 stop
SJU17:38San Juan Luis Munoz Marin Intl
6 May
SJU01:00San Juan Luis Munoz Marin Intl
12h 45m
1 stop
LAX10:45Los Angeles
£342
United Airlines
26 Jul
LAX05:00Los Angeles
9h 38m
1 stop
SJU17:38San Juan Luis Munoz Marin Intl
6 Aug
SJU02:05San Juan Luis Munoz Marin Intl
9h 52m
1 stop
LAX08:57Los Angeles
£345
United Airlines
18 Apr
LAX00:55Los Angeles
11h 47m
1 stop
SJU15:42San Juan Luis Munoz Marin Intl
24 Apr
SJU01:00San Juan Luis Munoz Marin Intl
13h 16m
2 stops
LAX11:16Los Angeles
£352

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 27 March 2026.
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

Cheapest return flight

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Tue 28/4

06:00-20:24

2 stops11h 24m

San Juan Luis Munoz Marin Intl

Thu 7/5

06:15-17:21

1 stop14h 06m

£277

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Fri 31/7

05:00-00:15

1 stop16h 15m

San Juan Luis Munoz Marin Intl

Wed 5/8

10:30-18:45

2 stops11h 15m

£289
Fastest return journey

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Wed 12/8

08:40-22:00

2 stops10h 20m

San Juan Luis Munoz Marin Intl

Fri 14/8

14:35-21:20

1 stop9h 45m

£301

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Mon 4/5

20:36-10:19

1 stop10h 43m

San Juan Luis Munoz Marin Intl

Thu 7/5

14:51-00:24

1 stop12h 33m

£302

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Tue 28/4

09:35-23:40

2 stops11h 05m

San Juan Luis Munoz Marin Intl

Mon 4/5

13:00-22:40

2 stops12h 40m

£324

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Tue 21/7

06:15-22:29

2 stops13h 14m

San Juan Luis Munoz Marin Intl

Tue 28/7

14:05-22:27

1 stop11h 22m

£330

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Mon 17/8

22:15-11:00

1 stop9h 45m

San Juan Luis Munoz Marin Intl

Sun 6/9

13:50-22:15

2 stops11h 25m

£331

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Mon 3/8

22:24-12:55

1 stop11h 31m

San Juan Luis Munoz Marin Intl

Wed 5/8

14:05-22:27

1 stop11h 22m

£332

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Wed 29/4

06:00-23:13

2 stops14h 13m

San Juan Luis Munoz Marin Intl

Thu 7/5

13:16-23:53

2 stops13h 37m

£339

Los AngelesSan Juan

LAX - SJU

LAXSJU

Los Angeles

Mon 4/5

05:00-17:38

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Wed 6/5

01:00-10:45

1 stop12h 45m

£342

Flights are sorted by cheapest return 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?

The cheapest month to fly to San Juan from Los Angeles is in October. Flight prices, which tend to average around £274, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to San Juan from Los Angeles during April instead. Flights to San Juan in April, while not as cheap as those in October, still average around £299.

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 £340 when searching weeks before you fly. 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 £312 on momondo.

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

Fastest flight time

12h 14m

Direct flights

None
The fastest flight from Los Angeles to San Juan takes 12h 14m
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?

    There are 3368.1 mi between Los Angeles and San Juan. Flights usually cover this in 12h 14m, depending on flying conditions and air traffic around both airports.

  • 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 were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Los Angeles Airport to San Juan.

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

    The necessary travel and health documents for your San Juan 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.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Los Angeles to San Juan . Millions of users trust and use momondo every year so you are in good hands.

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 helps you find the best flight between Los Angeles and San Juan by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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 simply researching potential flights to San Juan, momondo offers a useful price alert feature which will track prices for flights to San Juan from Los Angeles and alert you when they change.

An easier way to manage your San Juan trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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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 Luis Munoz Marin Intl Airport