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Cheap flights from New York LaGuardia Airport to San Juan from £86

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 13/1. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:59 - 00:45LGA-SJU
10h 46m1 stop
Multiple Airlines Logo
06:05 - 09:23SJU-LGA
4h 18mdirect
£122Multiple Airlines
Find Deal
Fri, 12 Dec - Sat, 20 Dec
Frontier Logo
16:30 - 02:50LGA-SJU
9h 20m1 stop
Frontier Logo
06:05 - 09:23SJU-LGA
4h 18mdirect
£130Frontier
Find Deal
Sat, 13 Dec - Sat, 20 Dec
Frontier Logo
12:00 - 23:59LGA-SJU
10h 59m1 stop
Frontier Logo
08:00 - 21:05SJU-LGA
14h 05m1 stop
£137Frontier
Find Deal
Wed, 28 Jan - Wed, 4 Feb
Multiple Airlines Logo
19:59 - 23:50LGA-SJU
26h 51m1 stop
Multiple Airlines Logo
03:54 - 15:29SJU-LGA
12h 35m1 stop
£142Multiple Airlines
Find Deal
Sat, 13 Dec - Sat, 20 Dec
Multiple Airlines Logo
09:59 - 19:50LGA-SJU
8h 51m1 stop
Multiple Airlines Logo
03:54 - 15:29SJU-LGA
12h 35m1 stop
£142Multiple Airlines
Find Deal
Thu, 11 Dec - Sat, 20 Dec
Multiple Airlines Logo
09:59 - 19:50LGA-SJU
8h 51m1 stop
Multiple Airlines Logo
03:54 - 15:29SJU-LGA
12h 35m1 stop
£145Multiple Airlines
Find Deal
Mon, 15 Dec - Sat, 20 Dec
Frontier Logo
16:30 - 02:50LGA-SJU
9h 20m1 stop
Frontier Logo
16:21 - 23:14SJU-LGA
7h 53m1 stop
£146Frontier
Find Deal
Wed, 10 Dec - Mon, 22 Dec
Multiple Airlines Logo
09:59 - 19:50LGA-SJU
8h 51m1 stop
Multiple Airlines Logo
16:21 - 23:14SJU-LGA
7h 53m1 stop
£148Multiple Airlines
Find Deal
Thu, 11 Dec - Mon, 22 Dec
Frontier Logo
16:30 - 02:50LGA-SJU
9h 20m1 stop
Frontier Logo
03:54 - 15:29SJU-LGA
12h 35m1 stop
£150Frontier
Find Deal
Wed, 10 Dec - Sat, 20 Dec
Multiple Airlines Logo
09:59 - 19:50LGA-SJU
8h 51m1 stop
Multiple Airlines Logo
07:00 - 16:29SJU-LGA
10h 29m1 stop
£152Multiple Airlines
Find Deal
Mon, 15 Dec - Tue, 23 Dec

Frontier flights from New York LaGuardia Airport to San Juan

Our best Frontier deals on New York LaGuardia Airport to San Juan flight tickets
Frontier
13 Dec
LGA16:30New York LaGuardia
9h 20m
1 stop
SJU02:50San Juan Luis Munoz Marin Intl
20 Dec
SJU06:05San Juan Luis Munoz Marin Intl
4h 18m
LGA09:23New York LaGuardia
£130
Find similar
Frontier
28 Jan
LGA12:00New York LaGuardia
10h 59m
1 stop
SJU23:59San Juan Luis Munoz Marin Intl
4 Feb
SJU08:00San Juan Luis Munoz Marin Intl
14h 05m
1 stop
LGA21:05New York LaGuardia
£137
Find similar
Frontier
10 Dec
LGA16:30New York LaGuardia
9h 20m
1 stop
SJU02:50San Juan Luis Munoz Marin Intl
22 Dec
SJU16:21San Juan Luis Munoz Marin Intl
7h 53m
1 stop
LGA23:14New York LaGuardia
£146
Find similar

Spirit Airlines flights from New York LaGuardia Airport to San Juan

Our best Spirit Airlines deals on New York LaGuardia Airport to San Juan flight tickets
Spirit Airlines
12 Dec
LGA12:59New York LaGuardia
10h 46m
1 stop
SJU00:45San Juan Luis Munoz Marin Intl
19 Dec
SJU04:10San Juan Luis Munoz Marin Intl
6h 54m
1 stop
LGA10:04New York LaGuardia
£158
Find similar
Spirit Airlines
13 Dec
LGA20:41New York LaGuardia
14h 40m
1 stop
SJU12:21San Juan Luis Munoz Marin Intl
19 Dec
SJU04:10San Juan Luis Munoz Marin Intl
6h 54m
1 stop
LGA10:04New York LaGuardia
£173
Find similar
Spirit Airlines
13 Dec
LGA19:59New York LaGuardia
22h 51m
1 stop
SJU19:50San Juan Luis Munoz Marin Intl
21 Dec
SJU18:28San Juan Luis Munoz Marin Intl
15h 32m
2 stops
LGA09:00New York LaGuardia
£195
Find similar

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 27 November 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

Fri 12/12

12:59-00:45

1 stop10h 46m

San Juan Luis Munoz Marin Intl

Sat 20/12

06:05-09:23

Nonstop4h 18m

£122

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Sat 13/12

16:30-02:50

1 stop9h 20m

San Juan Luis Munoz Marin Intl

Sat 20/12

06:05-09:23

Nonstop4h 18m

£130

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Wed 28/1

12:00-23:59

1 stop10h 59m

San Juan Luis Munoz Marin Intl

Wed 4/2

08:00-21:05

1 stop14h 05m

£137

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Sat 13/12

19:59-23:50

1 stop26h 51m

San Juan Luis Munoz Marin Intl

Sat 20/12

03:54-15:29

1 stop12h 35m

£142

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Thu 11/12

09:59-19:50

1 stop8h 51m

San Juan Luis Munoz Marin Intl

Sat 20/12

03:54-15:29

1 stop12h 35m

£142

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Mon 15/12

09:59-19:50

1 stop8h 51m

San Juan Luis Munoz Marin Intl

Sat 20/12

03:54-15:29

1 stop12h 35m

£145

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Wed 10/12

16:30-02:50

1 stop9h 20m

San Juan Luis Munoz Marin Intl

Mon 22/12

16:21-23:14

1 stop7h 53m

£146

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Thu 11/12

09:59-19:50

1 stop8h 51m

San Juan Luis Munoz Marin Intl

Mon 22/12

16:21-23:14

1 stop7h 53m

£148

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Wed 10/12

16:30-02:50

1 stop9h 20m

San Juan Luis Munoz Marin Intl

Sat 20/12

03:54-15:29

1 stop12h 35m

£150

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Mon 15/12

09:59-19:50

1 stop8h 51m

San Juan Luis Munoz Marin Intl

Tue 23/12

07:00-16:29

1 stop10h 29m

£152

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 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 typical price of a round-trip flight between New York LaGuardia Airport and San Juan?

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 September. Flight prices, which tend to average around £194, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to San Juan from New York LaGuardia Airport during March instead. Flights to San Juan in March, while not as cheap as those in September, still average around £197.

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 £127. 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 £276.

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

In the afternoon 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 £182. Flying to San Juan in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive, with an average ticket price of £233.

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 £261 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 £195 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

Fastest flight time

6h 51m

Direct flights

None
The fastest flight from New York LaGuardia Airport to San Juan takes 6h 51m
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.
Search flight deals

  • 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 27m 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