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Cheap flights from New York LaGuardia Airport to San Juan from $87

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New York LaGuardia Airport to San Juan departing on 1/6. 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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Find the cheapest flights from New York LaGuardia Airport to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:40 pm - 5:35 pm
LGA
-
SJU
3h 55mnonstop
Frontier Logo
8:00 am - 7:59 pm
SJU
-
LGA
12h 59m1 stop
$148Frontier
Sat, Jan 10 - Wed, Jan 21
Frontier Logo
6:25 am - 3:19 pm
LGA
-
SJU
7h 54m1 stop
Frontier Logo
10:47 pm - 3:35 pm
SJU
-
LGA
17h 48m1 stop
$149Frontier
Mon, Jan 12 - Mon, Jan 12
Frontier Logo
8:43 pm - 3:16 pm
LGA
-
SJU
17h 33m1 stop
Frontier Logo
11:49 am - 9:29 pm
SJU
-
LGA
10h 40m1 stop
$150Frontier
Thu, Jan 22 - Sat, Jan 31
Frontier Logo
12:40 pm - 5:35 pm
LGA
-
SJU
3h 55mnonstop
Frontier Logo
10:47 pm - 3:35 pm
SJU
-
LGA
17h 48m1 stop
$151Frontier
Sat, Jan 10 - Mon, Jan 12
Multiple Airlines Logo
12:30 pm - 2:50 am
LGA
-
SJU
13h 20m1 stop
Multiple Airlines Logo
6:48 pm - 10:00 am
SJU
-
LGA
16h 12m1 stop
$152Multiple Airlines
Mon, Jan 12 - Fri, Jan 16
Multiple Airlines Logo
7:55 pm - 2:18 pm
LGA
-
SJU
17h 23m1 stop
Multiple Airlines Logo
10:47 pm - 3:35 pm
SJU
-
LGA
17h 48m1 stop
$154Multiple Airlines
Mon, Jan 5 - Mon, Jan 12
Frontier Logo
6:20 am - 3:12 pm
LGA
-
SJU
7h 52m1 stop
Frontier Logo
4:06 pm - 11:06 pm
SJU
-
LGA
8h 00m1 stop
$156Frontier
Mon, Feb 2 - Wed, Feb 11
Frontier Logo
8:43 pm - 3:06 pm
LGA
-
SJU
17h 23m1 stop
Frontier Logo
5:25 pm - 11:03 am
SJU
-
LGA
18h 38m1 stop
$157Frontier
Sun, Feb 1 - Tue, Feb 10
Multiple Airlines Logo
7:55 pm - 2:18 pm
LGA
-
SJU
17h 23m1 stop
Multiple Airlines Logo
10:47 pm - 3:35 pm
SJU
-
LGA
17h 48m1 stop
$160Multiple Airlines
Mon, Jan 5 - Mon, Jan 12
Frontier Logo
4:30 pm - 2:18 pm
LGA
-
SJU
20h 48m1 stop
Frontier Logo
6:00 am - 3:35 pm
SJU
-
LGA
10h 35m1 stop
$161Frontier
Tue, Jan 6 - Thu, Jan 15

Frontier flights from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport

Our best Frontier deals on New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport flight tickets
Frontier
Jan 10
LGA12:40 pmNew York LaGuardia
3h 55m
SJU5:35 pmSan Juan Luis Munoz Marin Intl
Jan 14
SJU4:35 pmSan Juan Luis Munoz Marin Intl
7h 40m
1 stop
LGA11:15 pmNew York LaGuardia
$148
Find similar
Frontier
Jan 12
LGA6:25 amNew York LaGuardia
7h 54m
1 stop
SJU3:19 pmSan Juan Luis Munoz Marin Intl
Jan 12
SJU10:47 pmSan Juan Luis Munoz Marin Intl
17h 48m
1 stop
LGA3:35 pmNew York LaGuardia
$149
Find similar
Frontier
Jan 3
LGA10:18 amNew York LaGuardia
3h 55m
SJU3:13 pmSan Juan Luis Munoz Marin Intl
Jan 8
SJU6:18 pmSan Juan Luis Munoz Marin Intl
18h 11m
1 stop
LGA11:29 amNew York LaGuardia
$150
Find similar

Spirit Airlines flights from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport

Our best Spirit Airlines deals on New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport flight tickets
Spirit Airlines
Feb 1
LGA6:30 amNew York LaGuardia
16h 03m
1 stop
SJU11:33 pmSan Juan Luis Munoz Marin Intl
Feb 5
SJU11:52 amSan Juan Luis Munoz Marin Intl
8h 08m
1 stop
LGA7:00 pmNew York LaGuardia
$163
Find similar
Spirit Airlines
Jan 20
LGA7:30 amNew York LaGuardia
10h 19m
1 stop
SJU6:49 pmSan Juan Luis Munoz Marin Intl
Jan 23
SJU11:52 amSan Juan Luis Munoz Marin Intl
8h 08m
1 stop
LGA7:00 pmNew York LaGuardia
$172
Find similar
Spirit Airlines
Feb 2
LGA10:59 amNew York LaGuardia
6h 59m
1 stop
SJU6:58 pmSan Juan Luis Munoz Marin Intl
Feb 7
SJU11:52 amSan Juan Luis Munoz Marin Intl
8h 08m
1 stop
LGA7:00 pmNew York LaGuardia
$175
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport 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 December 18, 2025.
Use the filters below to find and compare flights from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Sat 1/10

12:40 pm-5:35 pm

Nonstop3h 55m

San Juan Luis Munoz Marin Intl

Wed 1/21

8:00 am-7:59 pm

1 stop12h 59m

$148

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Mon 1/12

6:25 am-3:19 pm

1 stop7h 54m

San Juan Luis Munoz Marin Intl

Mon 1/12

10:47 pm-3:35 pm

1 stop17h 48m

$149

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Thu 1/22

8:43 pm-3:16 pm

1 stop17h 33m

San Juan Luis Munoz Marin Intl

Sat 1/31

11:49 am-9:29 pm

1 stop10h 40m

$150

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Sat 1/10

12:40 pm-5:35 pm

Nonstop3h 55m

San Juan Luis Munoz Marin Intl

Mon 1/12

10:47 pm-3:35 pm

1 stop17h 48m

$151

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Mon 1/12

12:30 pm-2:50 am

1 stop13h 20m

San Juan Luis Munoz Marin Intl

Fri 1/16

6:48 pm-10:00 am

1 stop16h 12m

$152

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Mon 1/5

7:55 pm-2:18 pm

1 stop17h 23m

San Juan Luis Munoz Marin Intl

Mon 1/12

10:47 pm-3:35 pm

1 stop17h 48m

$154

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Mon 2/2

6:20 am-3:12 pm

1 stop7h 52m

San Juan Luis Munoz Marin Intl

Wed 2/11

4:06 pm-11:06 pm

1 stop8h 00m

$156

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Sun 2/1

8:43 pm-3:06 pm

1 stop17h 23m

San Juan Luis Munoz Marin Intl

Tue 2/10

5:25 pm-11:03 am

1 stop18h 38m

$157

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Mon 1/5

7:55 pm-2:18 pm

1 stop17h 23m

San Juan Luis Munoz Marin Intl

Mon 1/12

10:47 pm-3:35 pm

1 stop17h 48m

$160

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Tue 1/6

4:30 pm-2:18 pm

1 stop20h 48m

San Juan Luis Munoz Marin Intl

Thu 1/15

6:00 am-3:35 pm

1 stop10h 35m

$161

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 New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport

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 San Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of September, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $260.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from New York LaGuardia Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $253. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from New York LaGuardia Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $315.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is at noon when flights can be purchased for as low as $225. Flights in the evening are often more expensive with an average ticket price of $298.

What is the cheapest New York LaGuardia to San Juan Luis Munoz Marin Intl flight route?

Fly from New York LaGuardia to San Juan Luis Munoz Marin Intl for the best New York LaGuardia - San Juan Luis Munoz Marin Intl flight prices

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

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from New York LaGuardia Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $342 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from New York LaGuardia Airport for as low as $242 on momondo.

What cabin class options are available on New York LaGuardia to San Juan Luis Munoz Marin Intl flights?

There is only 1 cabin class available to choose from on New York LaGuardia to San Juan Luis Munoz Marin Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

No. A direct flight is the cheapest option for a flight between New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport.

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

As of December 2025, prices for New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport flights are approximately 15% cheaper when compared to flights at the same time last year.

When to book flights from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport

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

Cheap New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport (LGA to SJU) flight deals and tips

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

Best Price Found

$97

Fastest flight time

3h 55m

Direct flights

Sun
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from New York LaGuardia Airport in the past 72 hours is $97. The best round-trip flight deal from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $197.
The fastest flight from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport takes 3h 55m
Direct flights go from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport on Sunday. The only airline offering direct flights is Frontier.
Search flight deals

  • How far is New York LaGuardia to San Juan Luis Munoz Marin Intl by plane?

    New York LaGuardia and San Juan Luis Munoz Marin Intl are 1611.3 mi apart from one another. A reasonable flight in good conditions will take 3h 55m.

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

    Prices for flights from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The necessary travel and health documents for your San Juan Luis Munoz Marin Intl Airport 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.

  • What is the most popular plane model from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport?

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

Best airlines flying from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $133Free CancellationRating
5.8
3,080 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $150Free CancellationRating
6.3
8,189 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $161Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
DeltaPriceFrom $176Free CancellationRating
7.9
8,008 reviews
Search Delta flights
JetBluePriceFrom $233Free CancellationRating
7.2
2,895 reviews
Search JetBlue flights
American AirlinesPriceFrom $234Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Humacao
Caguas
Rio Grande
Bayamón

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

All flight searches from New York to San Juan on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential New York to San Juan flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from New York 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 New York and alert you when they change.

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