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Cheap flights from New York LaGuardia Airport to San Juan from C$ 152

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 21/10. 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 (LGA-SJU)

Cheap round-trip flights

United Airlines Logo
6:00 a.m. - 8:38 p.m.LGA-SJU
14h 38m2 stops
United Airlines Logo
4:55 p.m. - 11:43 p.m.SJU-LGA
6h 48m1 stop
C$ 340United Airlines
Find Deal
Mon, 22 Sep - Thu, 25 Sep
Spirit Airlines Logo
7:30 a.m. - 4:40 a.m.LGA-SJU
20h 10m1 stop
Spirit Airlines Logo
6:00 a.m. - 11:09 p.m.SJU-LGA
18h 09m1 stop
C$ 355Spirit Airlines
Find Deal
Thu, 6 Nov - Sat, 15 Nov
United Airlines Logo
9:15 a.m. - 9:00 p.m.LGA-SJU
10h 45m1 stop
United Airlines Logo
8:10 a.m. - 5:07 p.m.SJU-LGA
9h 57m1 stop
C$ 356United Airlines
Find Deal
Tue, 2 Dec - Tue, 9 Dec
United Airlines Logo
11:15 a.m. - 9:00 p.m.LGA-SJU
8h 45m1 stop
United Airlines Logo
7:45 a.m. - 7:04 p.m.SJU-LGA
12h 19m1 stop
C$ 365United Airlines
Find Deal
Tue, 4 Nov - Tue, 11 Nov
JetBlue Logo
1:29 p.m. - 8:20 p.m.LGA-SJU
6h 51m1 stop
JetBlue Logo
12:15 p.m. - 8:02 p.m.SJU-LGA
7h 47m1 stop
C$ 385JetBlue
Find Deal
Thu, 4 Sep - Mon, 8 Sep
United Airlines Logo
6:00 a.m. - 8:38 p.m.LGA-SJU
14h 38m2 stops
United Airlines Logo
4:55 p.m. - 11:43 p.m.SJU-LGA
6h 48m1 stop
C$ 399United Airlines
Find Deal
Wed, 24 Sep - Thu, 25 Sep
JetBlue Logo
1:29 p.m. - 8:20 p.m.LGA-SJU
6h 51m1 stop
JetBlue Logo
6:04 a.m. - 2:06 p.m.SJU-LGA
8h 02m1 stop
C$ 405JetBlue
Find Deal
Thu, 25 Sep - Sat, 4 Oct
United Airlines Logo
6:00 a.m. - 8:38 p.m.LGA-SJU
14h 38m2 stops
United Airlines Logo
4:55 p.m. - 11:43 p.m.SJU-LGA
6h 48m1 stop
C$ 408United Airlines
Find Deal
Mon, 22 Sep - Fri, 26 Sep
Southwest Logo
12:50 p.m. - 12:35 a.m.LGA-SJU
10h 45m2 stops
Southwest Logo
5:45 a.m. - 2:50 p.m.SJU-LGA
10h 05m2 stops
C$ 439Southwest
Find Deal
Wed, 12 Nov - Tue, 18 Nov
Southwest Logo
5:05 a.m. - 4:05 p.m.LGA-SJU
10h 00m2 stops
Southwest Logo
8:50 a.m. - 9:15 p.m.SJU-LGA
13h 25m1 stop
C$ 441Southwest
Find Deal
Sun, 2 Nov - Sat, 8 Nov

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

Our best Southwest deals on New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport flight tickets
Southwest
12 Nov
LGA12:50 p.m.New York LaGuardia
10h 45m
2 stops
SJU12:35 a.m.San Juan Luis Munoz Marin Intl
18 Nov
SJU5:45 a.m.San Juan Luis Munoz Marin Intl
10h 05m
2 stops
LGA2:50 p.m.New York LaGuardia
C$ 439
Find similar
Southwest
2 Nov
LGA5:05 a.m.New York LaGuardia
10h 00m
2 stops
SJU4:05 p.m.San Juan Luis Munoz Marin Intl
8 Nov
SJU8:50 a.m.San Juan Luis Munoz Marin Intl
13h 25m
1 stop
LGA9:15 p.m.New York LaGuardia
C$ 441
Find similar
Southwest
20 Sep
LGA9:30 a.m.New York LaGuardia
12h 20m
2 stops
SJU9:50 p.m.San Juan Luis Munoz Marin Intl
23 Sep
SJU5:00 a.m.San Juan Luis Munoz Marin Intl
9h 55m
2 stops
LGA2:55 p.m.New York LaGuardia
C$ 488
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
6 Nov
LGA7:30 a.m.New York LaGuardia
20h 10m
1 stop
SJU4:40 a.m.San Juan Luis Munoz Marin Intl
15 Nov
SJU6:00 a.m.San Juan Luis Munoz Marin Intl
18h 09m
1 stop
LGA11:09 p.m.New York LaGuardia
C$ 355
Find similar
Spirit Airlines
26 Aug
LGA4:57 p.m.New York LaGuardia
7h 00m
1 stop
SJU11:57 p.m.San Juan Luis Munoz Marin Intl
21 Sep
SJU7:05 a.m.San Juan Luis Munoz Marin Intl
15h 33m
2 stops
LGA10:38 p.m.New York LaGuardia
C$ 520
Find similar
Spirit Airlines
28 Aug
LGA7:55 p.m.New York LaGuardia
13h 10m
1 stop
SJU9:05 a.m.San Juan Luis Munoz Marin Intl
31 Aug
SJU2:11 a.m.San Juan Luis Munoz Marin Intl
6h 49m
1 stop
LGA9:00 a.m.New York LaGuardia
C$ 637
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 96,600 searches. Data last updated 18 August 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

Mon 22/9

6:00 a.m.-8:38 p.m.

2 stops14h 38m

San Juan Luis Munoz Marin Intl

Thu 25/9

4:55 p.m.-11:43 p.m.

1 stop6h 48m

C$ 340

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Thu 6/11

7:30 a.m.-4:40 a.m.

1 stop20h 10m

San Juan Luis Munoz Marin Intl

Sat 15/11

6:00 a.m.-11:09 p.m.

1 stop18h 09m

C$ 355

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Tue 2/12

9:15 a.m.-9:00 p.m.

1 stop10h 45m

San Juan Luis Munoz Marin Intl

Tue 9/12

8:10 a.m.-5:07 p.m.

1 stop9h 57m

C$ 356

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Tue 4/11

11:15 a.m.-9:00 p.m.

1 stop8h 45m

San Juan Luis Munoz Marin Intl

Tue 11/11

7:45 a.m.-7:04 p.m.

1 stop12h 19m

C$ 365

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Thu 4/9

1:29 p.m.-8:20 p.m.

1 stop6h 51m

San Juan Luis Munoz Marin Intl

Mon 8/9

12:15 p.m.-8:02 p.m.

1 stop7h 47m

C$ 385

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Wed 24/9

6:00 a.m.-8:38 p.m.

2 stops14h 38m

San Juan Luis Munoz Marin Intl

Thu 25/9

4:55 p.m.-11:43 p.m.

1 stop6h 48m

C$ 399

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Thu 25/9

1:29 p.m.-8:20 p.m.

1 stop6h 51m

San Juan Luis Munoz Marin Intl

Sat 4/10

6:04 a.m.-2:06 p.m.

1 stop8h 02m

C$ 405

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Mon 22/9

6:00 a.m.-8:38 p.m.

2 stops14h 38m

San Juan Luis Munoz Marin Intl

Fri 26/9

4:55 p.m.-11:43 p.m.

1 stop6h 48m

C$ 408

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Wed 12/11

12:50 p.m.-12:35 a.m.

2 stops10h 45m

San Juan Luis Munoz Marin Intl

Tue 18/11

5:45 a.m.-2:50 p.m.

2 stops10h 05m

C$ 439

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Sun 2/11

5:05 a.m.-4:05 p.m.

2 stops10h 00m

San Juan Luis Munoz Marin Intl

Sat 8/11

8:50 a.m.-9:15 p.m.

1 stop13h 25m

C$ 441

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?

The month of October is, on average, the cheapest month to fly to San Juan Luis Munoz Marin Intl Airport from New York LaGuardia Airport, with most prices found around C$ 323. If you don’t want to visit San Juan Luis Munoz Marin Intl Airport in October, then you should wait until March to fly from New York LaGuardia Airport, when ticket prices are also cheap, with an average price of C$ 347.

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

The cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport is on a Tuesday when prices can be found for as low as C$ 168. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport for around C$ 469.

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 in the afternoon when flights can be purchased for as low as C$ 211. In the evening is when there is more demand to fly to San Juan Luis Munoz Marin Intl Airport, so prices are often more expensive at around C$ 811 per ticket.

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 C$ 466 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 C$ 362 on momondo.

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

As of August 2025, prices for New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport flights are approximately 1% more expensive 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

C$ 152

Fastest flight time

6h 34m

Direct flights

None
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from New York LaGuardia Airport in the past 72 hours is C$ 152. 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 C$ 340.
The fastest flight from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport takes 6h 34m
There are no direct flights from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport. Popular non-direct route for this connection is New York LaGuardia Airport - San Juan Luis Munoz Marin Intl Airport.
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 2593.1 km apart from one another. Typically, this will take 6h 34m by plane in normal conditions.

  • 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 are refreshed on a daily basis.

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

    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 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 travel and health documents you'll need for your trip to San Juan Luis Munoz Marin Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Juan Luis Munoz Marin Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near San Juan?

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

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from New York to San Juan. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to San Juan from New York which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Juan from New York.

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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