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Cheap flights from New York LaGuardia Airport to San Juan from £75

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

Cheap return flights

United Airlines Logo
06:00 - 12:17LGA-SJU
6h 17m1 stop
United Airlines Logo
16:50 - 23:30SJU-LGA
6h 40m1 stop
£150United Airlines
Find Deal
Sun, 26 Oct - Fri, 31 Oct
United Airlines Logo
06:00 - 12:34LGA-SJU
6h 34m1 stop
United Airlines Logo
16:55 - 23:43SJU-LGA
6h 48m1 stop
£156United Airlines
Find Deal
Mon, 20 Oct - Wed, 22 Oct
United Airlines Logo
06:00 - 12:34LGA-SJU
6h 34m1 stop
United Airlines Logo
08:10 - 17:07SJU-LGA
9h 57m1 stop
£158United Airlines
Find Deal
Tue, 21 Oct - Tue, 4 Nov
United Airlines Logo
06:25 - 20:38LGA-SJU
14h 13m2 stops
United Airlines Logo
16:55 - 23:43SJU-LGA
6h 48m1 stop
£161United Airlines
Find Deal
Tue, 30 Sep - Fri, 3 Oct
JetBlue Logo
13:30 - 20:18LGA-SJU
6h 48m1 stop
JetBlue Logo
12:15 - 20:00SJU-LGA
7h 45m1 stop
£204JetBlue
Find Deal
Wed, 15 Oct - Wed, 22 Oct
JetBlue Logo
07:00 - 13:57LGA-SJU
6h 57m1 stop
JetBlue Logo
12:15 - 20:00SJU-LGA
7h 45m1 stop
£207JetBlue
Find Deal
Fri, 10 Oct - Tue, 14 Oct
Spirit Airlines Logo
07:10 - 14:12LGA-SJU
7h 02m1 stop
Spirit Airlines Logo
02:49 - 15:42SJU-LGA
12h 53m1 stop
£218Spirit Airlines
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Sat, 25 Oct - Fri, 31 Oct
Southwest Logo
09:00 - 22:25LGA-SJU
12h 25m2 stops
Southwest Logo
05:35 - 13:15SJU-LGA
8h 40m2 stops
£228Southwest
Find Deal
Sun, 11 Jan - Thu, 15 Jan
Frontier Logo
06:20 - 15:01LGA-SJU
7h 41m1 stop
Frontier Logo
03:55 - 11:29SJU-LGA
8h 34m1 stop
£229Frontier
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Sun, 11 Jan - Tue, 20 Jan
Southwest Logo
12:30 - 23:25LGA-SJU
10h 55m2 stops
Southwest Logo
05:45 - 15:55SJU-LGA
11h 10m2 stops
£232Southwest
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Sat, 1 Nov - Tue, 4 Nov

JetBlue flights from New York LaGuardia Airport to San Juan

Our best JetBlue deals on New York LaGuardia Airport to San Juan flight tickets
JetBlue
15 Oct
LGA13:30New York LaGuardia
6h 48m
1 stop
SJU20:18San Juan Luis Munoz Marin Intl
22 Oct
SJU12:15San Juan Luis Munoz Marin Intl
7h 45m
1 stop
LGA20:00New York LaGuardia
£204
Find similar
JetBlue
10 Oct
LGA07:00New York LaGuardia
6h 57m
1 stop
SJU13:57San Juan Luis Munoz Marin Intl
14 Oct
SJU12:15San Juan Luis Munoz Marin Intl
7h 45m
1 stop
LGA20:00New York LaGuardia
£207
Find similar
JetBlue
20 Oct
LGA07:00New York LaGuardia
6h 42m
1 stop
SJU13:42San Juan Luis Munoz Marin Intl
22 Oct
SJU12:15San Juan Luis Munoz Marin Intl
7h 45m
1 stop
LGA20:00New York LaGuardia
£208
Find similar

Southwest flights from New York LaGuardia Airport to San Juan

Our best Southwest deals on New York LaGuardia Airport to San Juan flight tickets
Southwest
11 Jan
LGA09:00New York LaGuardia
12h 25m
2 stops
SJU22:25San Juan Luis Munoz Marin Intl
15 Jan
SJU05:35San Juan Luis Munoz Marin Intl
8h 40m
2 stops
LGA13:15New York LaGuardia
£228
Find similar
Southwest
1 Nov
LGA12:30New York LaGuardia
10h 55m
2 stops
SJU23:25San Juan Luis Munoz Marin Intl
4 Nov
SJU05:45San Juan Luis Munoz Marin Intl
11h 10m
2 stops
LGA15:55New York LaGuardia
£232
Find similar
Southwest
3 Feb
LGA06:05New York LaGuardia
12h 00m
2 stops
SJU19:05San Juan Luis Munoz Marin Intl
10 Feb
SJU06:10San Juan Luis Munoz Marin Intl
10h 40m
2 stops
LGA15:50New York LaGuardia
£238
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momondo Fare Finder

 
Customise your flight search to find flights from New York LaGuardia Airport 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 18 September 2025.
Use the filters below to find and compare flights from New York LaGuardia Airport to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Sun 26/10

06:00-12:17

1 stop6h 17m

San Juan Luis Munoz Marin Intl

Fri 31/10

16:50-23:30

1 stop6h 40m

£150

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Mon 20/10

06:00-12:34

1 stop6h 34m

San Juan Luis Munoz Marin Intl

Wed 22/10

16:55-23:43

1 stop6h 48m

£156

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Tue 21/10

06:00-12:34

1 stop6h 34m

San Juan Luis Munoz Marin Intl

Tue 4/11

08:10-17:07

1 stop9h 57m

£158

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Tue 30/9

06:25-20:38

2 stops14h 13m

San Juan Luis Munoz Marin Intl

Fri 3/10

16:55-23:43

1 stop6h 48m

£161

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Wed 15/10

13:30-20:18

1 stop6h 48m

San Juan Luis Munoz Marin Intl

Wed 22/10

12:15-20:00

1 stop7h 45m

£204

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Fri 10/10

07:00-13:57

1 stop6h 57m

San Juan Luis Munoz Marin Intl

Tue 14/10

12:15-20:00

1 stop7h 45m

£207

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Sat 25/10

07:10-14:12

1 stop7h 02m

San Juan Luis Munoz Marin Intl

Fri 31/10

02:49-15:42

1 stop12h 53m

£218

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Sun 11/1

09:00-22:25

2 stops12h 25m

San Juan Luis Munoz Marin Intl

Thu 15/1

05:35-13:15

2 stops8h 40m

£228

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Sun 11/1

06:20-15:01

1 stop7h 41m

San Juan Luis Munoz Marin Intl

Tue 20/1

03:55-11:29

1 stop8h 34m

£229

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Sat 1/11

12:30-23:25

2 stops10h 55m

San Juan Luis Munoz Marin Intl

Tue 4/11

05:45-15:55

2 stops11h 10m

£232

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from New York LaGuardia Airport 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 cheapest month to fly to San Juan?

The cheapest month to fly to San Juan from New York LaGuardia Airport is in March. Flight prices, which tend to average around £184, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of March, then book flights to San Juan from New York LaGuardia Airport during September instead. Flights to San Juan in September, while not as cheap as those in March, still average around £194.

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

The cheapest day to depart on your flight to San Juan is on a Wednesday when prices can be found for as low as £110. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to San Juan is Sunday, with ticket prices averaging around £251.

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

In the morning is the cheapest time of day to fly from New York LaGuardia Airport to San Juan when you can find flight prices for as low as £179. Flying to San Juan in the morning is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive, with an average ticket price of £293.

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

You are more likely to see cheaper flights to San Juan from New York LaGuardia Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around £251 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 New York LaGuardia Airport for as low as £200 on momondo.

Cheap New York LaGuardia Airport to San Juan flight deals and tips

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

Direct flights

None
There are no direct flights from New York LaGuardia Airport to San Juan. There are no popular flight routes from New York LaGuardia Airport to San Juan.
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  • How far is New York LaGuardia to San Juan by plane?

    New York LaGuardia and San Juan are 1607.7 mi apart from one another. 6h 17m is a normal flight duration for this route.

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

    Prices for flights from New York LaGuardia Airport to San Juan are updated daily.

  • How old do you have to be to fly from New York LaGuardia 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 New York LaGuardia Airport to San Juan.

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

    The required travel and health documents for your San Juan trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Juan. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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?

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 for New York to San Juan flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for New York to San Juan flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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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