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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 21/1. 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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0 bags
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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.
United Airlines Logo
06:00 - 16:36LGA-SJU
9h 36m1 stop
United Airlines Logo
08:10 - 18:44SJU-LGA
11h 34m2 stops
£156United Airlines
Find Deal
Tue, 2 Dec - Sat, 6 Dec
United Airlines Logo
06:00 - 13:17LGA-SJU
6h 17m1 stop
United Airlines Logo
08:30 - 21:07SJU-LGA
13h 37m2 stops
£162United Airlines
Find Deal
Mon, 8 Dec - Wed, 17 Dec
United Airlines Logo
09:15 - 22:22LGA-SJU
12h 07m2 stops
United Airlines Logo
08:35 - 16:13SJU-LGA
8h 38m1 stop
£163United Airlines
Find Deal
Mon, 9 Feb - Thu, 12 Feb
United Airlines Logo
11:15 - 21:00LGA-SJU
8h 45m1 stop
United Airlines Logo
08:10 - 20:19SJU-LGA
13h 09m2 stops
£164United Airlines
Find Deal
Mon, 12 Jan - Fri, 16 Jan
United Airlines Logo
06:00 - 13:17LGA-SJU
6h 17m1 stop
United Airlines Logo
08:10 - 21:14SJU-LGA
14h 04m2 stops
£171United Airlines
Find Deal
Sun, 18 Jan - Thu, 22 Jan
Spirit Airlines Logo
06:30 - 23:32LGA-SJU
16h 02m1 stop
Spirit Airlines Logo
11:52 - 19:00SJU-LGA
8h 08m1 stop
£176Spirit Airlines
Find Deal
Thu, 29 Jan - Sun, 1 Feb
United Airlines Logo
08:15 - 22:22LGA-SJU
13h 07m2 stops
United Airlines Logo
17:50 - 23:43SJU-LGA
6h 53m1 stop
£179United Airlines
Find Deal
Sun, 18 Jan - Wed, 21 Jan
United Airlines Logo
06:00 - 21:26LGA-SJU
14h 26m2 stops
United Airlines Logo
17:50 - 23:44SJU-LGA
6h 54m1 stop
£180United Airlines
Find Deal
Tue, 9 Dec - Tue, 16 Dec
United Airlines Logo
08:15 - 22:22LGA-SJU
13h 07m2 stops
United Airlines Logo
17:50 - 23:44SJU-LGA
6h 54m1 stop
£186United Airlines
Find Deal
Mon, 8 Dec - Tue, 16 Dec
United Airlines Logo
16:25 - 06:11LGA-SJU
12h 46m2 stops
United Airlines Logo
08:35 - 16:13SJU-LGA
8h 38m1 stop
£187United Airlines
Find Deal
Sat, 21 Feb - Wed, 25 Feb

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
29 Jan
LGA06:30New York LaGuardia
16h 02m
1 stop
SJU23:32San Juan Luis Munoz Marin Intl
1 Feb
SJU11:52San Juan Luis Munoz Marin Intl
8h 08m
1 stop
LGA19:00New York LaGuardia
£176
Find similar
Spirit Airlines
3 Mar
LGA06:30New York LaGuardia
12h 54m
2 stops
SJU20:24San Juan Luis Munoz Marin Intl
4 Mar
SJU06:00San Juan Luis Munoz Marin Intl
15h 00m
1 stop
LGA20:00New York LaGuardia
£229
Find similar

United Airlines flights from New York LaGuardia Airport to San Juan

Our best United Airlines deals on New York LaGuardia Airport to San Juan flight tickets
United Airlines
2 Dec
LGA06:00New York LaGuardia
9h 36m
1 stop
SJU16:36San Juan Luis Munoz Marin Intl
6 Dec
SJU08:10San Juan Luis Munoz Marin Intl
11h 34m
2 stops
LGA18:44New York LaGuardia
£156
Find similar
United Airlines
8 Dec
LGA06:00New York LaGuardia
6h 17m
1 stop
SJU13:17San Juan Luis Munoz Marin Intl
17 Dec
SJU08:30San Juan Luis Munoz Marin Intl
13h 37m
2 stops
LGA21:07New York LaGuardia
£162
Find similar
United Airlines
9 Feb
LGA09:55New York LaGuardia
10h 31m
1 stop
SJU21:26San Juan Luis Munoz Marin Intl
13 Feb
SJU17:50San Juan Luis Munoz Marin Intl
6h 54m
1 stop
LGA23:44New York LaGuardia
£163
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 14 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

Tue 2/12

06:00-16:36

1 stop9h 36m

San Juan Luis Munoz Marin Intl

Sat 6/12

08:10-18:44

2 stops11h 34m

£156

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Mon 8/12

06:00-13:17

1 stop6h 17m

San Juan Luis Munoz Marin Intl

Wed 17/12

08:30-21:07

2 stops13h 37m

£162

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Mon 9/2

09:15-22:22

2 stops12h 07m

San Juan Luis Munoz Marin Intl

Thu 12/2

08:35-16:13

1 stop8h 38m

£163

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Mon 12/1

11:15-21:00

1 stop8h 45m

San Juan Luis Munoz Marin Intl

Fri 16/1

08:10-20:19

2 stops13h 09m

£164

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Sun 18/1

06:00-13:17

1 stop6h 17m

San Juan Luis Munoz Marin Intl

Thu 22/1

08:10-21:14

2 stops14h 04m

£171

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Thu 29/1

06:30-23:32

1 stop16h 02m

San Juan Luis Munoz Marin Intl

Sun 1/2

11:52-19:00

1 stop8h 08m

£176

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Sun 18/1

08:15-22:22

2 stops13h 07m

San Juan Luis Munoz Marin Intl

Wed 21/1

17:50-23:43

1 stop6h 53m

£179

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Tue 9/12

06:00-21:26

2 stops14h 26m

San Juan Luis Munoz Marin Intl

Tue 16/12

17:50-23:44

1 stop6h 54m

£180

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Mon 8/12

08:15-22:22

2 stops13h 07m

San Juan Luis Munoz Marin Intl

Tue 16/12

17:50-23:44

1 stop6h 54m

£186

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Sat 21/2

16:25-06:11

2 stops12h 46m

San Juan Luis Munoz Marin Intl

Wed 25/2

08:35-16:13

1 stop8h 38m

£187

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 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 £191, 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 £195.

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 £114. 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 £277.

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

In the evening 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 £187. Flying to San Juan in the evening 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 £226.

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 £263 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

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