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Cheap flights from New York LaGuardia Airport to San Juan from $77

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 1/18. 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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Cheap round-trip flights

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Frontier Logo
4:30 pm - 2:50 amLGA-SJU
9h 20m1 stop
Frontier Logo
6:05 am - 9:23 amSJU-LGA
4h 18mnonstop
$137Frontier
Find Deal
Sat, Dec 13 - Sat, Dec 20
Frontier Logo
4:30 pm - 10:32 amLGA-SJU
17h 02m1 stop
Frontier Logo
10:42 am - 11:29 amSJU-LGA
25h 47m1 stop
$142Frontier
Find Deal
Thu, Dec 4 - Mon, Dec 8
Frontier Logo
4:30 pm - 1:44 amLGA-SJU
8h 14m1 stop
Frontier Logo
6:59 pm - 3:30 pmSJU-LGA
21h 31m1 stop
$146Frontier
Find Deal
Sun, Jan 18 - Mon, Jan 26
United Airlines Logo
9:55 am - 8:26 pmLGA-SJU
10h 31m1 stop
United Airlines Logo
7:10 am - 4:12 pmSJU-LGA
9h 02m1 stop
$156United Airlines
Find Deal
Fri, Oct 31 - Sat, Nov 1
United Airlines Logo
8:15 am - 9:22 pmLGA-SJU
13h 07m2 stops
United Airlines Logo
4:50 pm - 11:30 pmSJU-LGA
6h 40m1 stop
$161United Airlines
Find Deal
Wed, Oct 29 - Fri, Oct 31
American Airlines Logo
11:25 am - 6:25 pmLGA-SJU
7h 00m1 stop
American Airlines Logo
5:59 pm - 11:21 pmSJU-LGA
6h 22m1 stop
$164American Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 12
Multiple Airlines Logo
4:26 pm - 1:42 amLGA-SJU
8h 16m1 stop
Multiple Airlines Logo
6:59 pm - 3:30 pmSJU-LGA
21h 31m1 stop
$169Multiple Airlines
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Fri, Jan 23 - Mon, Jan 26
Multiple Airlines Logo
7:56 pm - 12:36 pmLGA-SJU
15h 40m1 stop
Multiple Airlines Logo
6:05 am - 9:23 amSJU-LGA
4h 18mnonstop
$195Multiple Airlines
Find Deal
Fri, Dec 5 - Sat, Dec 20
American Airlines Logo
2:22 pm - 11:52 pmLGA-SJU
8h 30m2 stops
American Airlines Logo
11:13 am - 11:29 pmSJU-LGA
13h 16m1 stop
$200American Airlines
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Tue, Nov 4 - Fri, Nov 7
Spirit Airlines Logo
9:59 am - 1:44 amLGA-SJU
15h 45m1 stop
Spirit Airlines Logo
2:49 am - 1:45 pmSJU-LGA
10h 56m1 stop
$204Spirit Airlines
Find Deal
Wed, Oct 29 - Fri, Oct 31

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

Our best American Airlines deals on New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport flight tickets
American Airlines
Oct 29
LGA11:25 amNew York LaGuardia
7h 00m
1 stop
SJU6:25 pmSan Juan Luis Munoz Marin Intl
Nov 12
SJU5:59 pmSan Juan Luis Munoz Marin Intl
6h 22m
1 stop
LGA11:21 pmNew York LaGuardia
$164
Find similar
American Airlines
Oct 25
LGA7:57 amNew York LaGuardia
15h 57m
1 stop
SJU11:54 pmSan Juan Luis Munoz Marin Intl
Nov 3
SJU8:20 amSan Juan Luis Munoz Marin Intl
12h 27m
1 stop
LGA7:47 pmNew York LaGuardia
$198
Find similar
American Airlines
Nov 4
LGA2:22 pmNew York LaGuardia
8h 30m
2 stops
SJU11:52 pmSan Juan Luis Munoz Marin Intl
Nov 7
SJU11:13 amSan Juan Luis Munoz Marin Intl
13h 16m
1 stop
LGA11:29 pmNew York LaGuardia
$200
Find similar

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

Our best United Airlines deals on New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport flight tickets
United Airlines
Oct 31
LGA9:55 amNew York LaGuardia
10h 31m
1 stop
SJU8:26 pmSan Juan Luis Munoz Marin Intl
Nov 1
SJU7:10 amSan Juan Luis Munoz Marin Intl
9h 02m
1 stop
LGA4:12 pmNew York LaGuardia
$156
Find similar
United Airlines
Oct 29
LGA8:15 amNew York LaGuardia
13h 07m
2 stops
SJU9:22 pmSan Juan Luis Munoz Marin Intl
Oct 31
SJU4:50 pmSan Juan Luis Munoz Marin Intl
6h 40m
1 stop
LGA11:30 pmNew York LaGuardia
$161
Find similar
United Airlines
Nov 8
LGA9:55 amNew York LaGuardia
10h 31m
1 stop
SJU9:26 pmSan Juan Luis Munoz Marin Intl
Nov 13
SJU8:30 amSan Juan Luis Munoz Marin Intl
10h 37m
2 stops
LGA6:07 pmNew York LaGuardia
$177
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 October 17, 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 12/13

4:30 pm-2:50 am

1 stop9h 20m

San Juan Luis Munoz Marin Intl

Sat 12/20

6:05 am-9:23 am

Nonstop4h 18m

$137

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Thu 12/4

4:30 pm-10:32 am

1 stop17h 02m

San Juan Luis Munoz Marin Intl

Mon 12/8

10:42 am-11:29 am

1 stop25h 47m

$142

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Sun 1/18

4:30 pm-1:44 am

1 stop8h 14m

San Juan Luis Munoz Marin Intl

Mon 1/26

6:59 pm-3:30 pm

1 stop21h 31m

$146

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Fri 10/31

9:55 am-8:26 pm

1 stop10h 31m

San Juan Luis Munoz Marin Intl

Sat 11/1

7:10 am-4:12 pm

1 stop9h 02m

$156

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Wed 10/29

8:15 am-9:22 pm

2 stops13h 07m

San Juan Luis Munoz Marin Intl

Fri 10/31

4:50 pm-11:30 pm

1 stop6h 40m

$161

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Wed 10/29

11:25 am-6:25 pm

1 stop7h 00m

San Juan Luis Munoz Marin Intl

Wed 11/12

5:59 pm-11:21 pm

1 stop6h 22m

$164

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Fri 1/23

4:26 pm-1:42 am

1 stop8h 16m

San Juan Luis Munoz Marin Intl

Mon 1/26

6:59 pm-3:30 pm

1 stop21h 31m

$169

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Fri 12/5

7:56 pm-12:36 pm

1 stop15h 40m

San Juan Luis Munoz Marin Intl

Sat 12/20

6:05 am-9:23 am

Nonstop4h 18m

$195

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Tue 11/4

2:22 pm-11:52 pm

2 stops8h 30m

San Juan Luis Munoz Marin Intl

Fri 11/7

11:13 am-11:29 pm

1 stop13h 16m

$200

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Wed 10/29

9:59 am-1:44 am

1 stop15h 45m

San Juan Luis Munoz Marin Intl

Fri 10/31

2:49 am-1:45 pm

1 stop10h 56m

$204

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 March, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $256.

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 $250. 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 $312.

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 $217. Flights in the evening are often more expensive with an average ticket price of $307.

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 $257 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.

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

As of October 2025, prices for New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport flights are approximately 7% 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

$397

Fastest flight time

3h 55m

Direct flights

Sun
The best flight deal from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $397
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 $131Free CancellationRating
5.8
3,136 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $143Free CancellationRating
6.3
8,099 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $161Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights
DeltaPriceFrom $176Free CancellationRating
7.9
7,977 reviews
Search Delta flights
JetBluePriceFrom $233Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
American AirlinesPriceFrom $234Free CancellationRating
7.2
11,039 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
Caguas
Humacao
Rio Grande
Bayamón

Why use momondo?

Why should I use momondo to find a flight deal from New York to San Juan?

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

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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