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Cheap flights from New York LaGuardia Airport to San Juan from £81

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.
1 adult
0 bags
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Find the cheapest flights from New York LaGuardia Airport to San Juan (LGA-SJU)

Cheap return flights

United Airlines Logo
06:00 - 15:42LGA-SJU
9h 42m1 stop
United Airlines Logo
16:55 - 23:44SJU-LGA
6h 49m1 stop
£164United Airlines
Find Deal
Mon, 22 Sep - Sat, 27 Sep
United Airlines Logo
06:00 - 15:42LGA-SJU
9h 42m1 stop
United Airlines Logo
16:55 - 23:43SJU-LGA
6h 48m1 stop
£182United Airlines
Find Deal
Mon, 22 Sep - Thu, 25 Sep
Spirit Airlines Logo
07:30 - 04:40LGA-SJU
20h 10m1 stop
Spirit Airlines Logo
06:00 - 23:09SJU-LGA
18h 09m1 stop
£190Spirit Airlines
Find Deal
Thu, 6 Nov - Sat, 15 Nov
United Airlines Logo
09:15 - 21:00LGA-SJU
10h 45m1 stop
United Airlines Logo
08:10 - 17:07SJU-LGA
9h 57m1 stop
£191United Airlines
Find Deal
Tue, 2 Dec - Tue, 9 Dec
JetBlue Logo
13:30 - 20:20LGA-SJU
6h 50m1 stop
JetBlue Logo
07:25 - 15:30SJU-LGA
8h 05m1 stop
£199JetBlue
Find Deal
Wed, 1 Oct - Wed, 8 Oct
JetBlue Logo
13:29 - 20:20LGA-SJU
6h 51m1 stop
JetBlue Logo
12:15 - 20:02SJU-LGA
7h 47m1 stop
£206JetBlue
Find Deal
Thu, 4 Sep - Mon, 8 Sep
Frontier Logo
06:30 - 14:11LGA-SJU
7h 41m1 stop
Frontier Logo
15:16 - 23:57SJU-LGA
8h 41m1 stop
£210Frontier
Find Deal
Mon, 15 Sep - Sun, 28 Sep
Spirit Airlines Logo
09:59 - 20:56LGA-SJU
10h 57m1 stop
Spirit Airlines Logo
02:49 - 15:58SJU-LGA
13h 09m2 stops
£229Spirit Airlines
Find Deal
Wed, 1 Oct - Tue, 7 Oct
Southwest Logo
12:50 - 00:35LGA-SJU
10h 45m2 stops
Southwest Logo
05:45 - 14:50SJU-LGA
10h 05m2 stops
£235Southwest
Find Deal
Wed, 12 Nov - Tue, 18 Nov
Southwest Logo
05:05 - 16:05LGA-SJU
10h 00m2 stops
Southwest Logo
08:50 - 21:15SJU-LGA
13h 25m1 stop
£236Southwest
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Sun, 2 Nov - Sat, 8 Nov

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
1 Oct
LGA06:00New York LaGuardia
8h 53m
2 stops
SJU14:53San Juan Luis Munoz Marin Intl
8 Oct
SJU11:56San Juan Luis Munoz Marin Intl
9h 30m
1 stop
LGA21:26New York LaGuardia
£252
Find similar
American Airlines
19 Aug
LGA07:45New York LaGuardia
10h 30m
1 stop
SJU18:15San Juan Luis Munoz Marin Intl
21 Aug
SJU06:00San Juan Luis Munoz Marin Intl
7h 29m
1 stop
LGA13:29New York LaGuardia
£398
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
LGA07:30New York LaGuardia
20h 10m
1 stop
SJU04:40San Juan Luis Munoz Marin Intl
15 Nov
SJU06:00San Juan Luis Munoz Marin Intl
18h 09m
1 stop
LGA23:09New York LaGuardia
£190
Find similar
Spirit Airlines
1 Oct
LGA09:59New York LaGuardia
10h 57m
1 stop
SJU20:56San Juan Luis Munoz Marin Intl
7 Oct
SJU02:49San Juan Luis Munoz Marin Intl
13h 09m
2 stops
LGA15:58New York LaGuardia
£229
Find similar
Spirit Airlines
1 Oct
LGA18:30New York LaGuardia
19h 41m
2 stops
SJU14:11San Juan Luis Munoz Marin Intl
8 Oct
SJU15:19San Juan Luis Munoz Marin Intl
19h 41m
2 stops
LGA11:00New York LaGuardia
£238
Find similar

momondo Fare Finder

 
Customise 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 279,928 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

06:00-15:42

1 stop9h 42m

San Juan Luis Munoz Marin Intl

Sat 27/9

16:55-23:44

1 stop6h 49m

£164

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Mon 22/9

06:00-15:42

1 stop9h 42m

San Juan Luis Munoz Marin Intl

Thu 25/9

16:55-23:43

1 stop6h 48m

£182

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Thu 6/11

07:30-04:40

1 stop20h 10m

San Juan Luis Munoz Marin Intl

Sat 15/11

06:00-23:09

1 stop18h 09m

£190

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Tue 2/12

09:15-21:00

1 stop10h 45m

San Juan Luis Munoz Marin Intl

Tue 9/12

08:10-17:07

1 stop9h 57m

£191

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Wed 1/10

13:30-20:20

1 stop6h 50m

San Juan Luis Munoz Marin Intl

Wed 8/10

07:25-15:30

1 stop8h 05m

£199

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Thu 4/9

13:29-20:20

1 stop6h 51m

San Juan Luis Munoz Marin Intl

Mon 8/9

12:15-20:02

1 stop7h 47m

£206

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Mon 15/9

06:30-14:11

1 stop7h 41m

San Juan Luis Munoz Marin Intl

Sun 28/9

15:16-23:57

1 stop8h 41m

£210

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Wed 1/10

09:59-20:56

1 stop10h 57m

San Juan Luis Munoz Marin Intl

Tue 7/10

02:49-15:58

2 stops13h 09m

£229

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Wed 12/11

12:50-00:35

2 stops10h 45m

San Juan Luis Munoz Marin Intl

Tue 18/11

05:45-14:50

2 stops10h 05m

£235

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Sun 2/11

05:05-16:05

2 stops10h 00m

San Juan Luis Munoz Marin Intl

Sat 8/11

08:50-21:15

1 stop13h 25m

£236

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 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 during the month of October, then book flights to San Juan Luis Munoz Marin Intl Airport from New York LaGuardia Airport during March instead. Flights to San Juan Luis Munoz Marin Intl Airport in March, while not as cheap as those in October, still average around £185.

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

The cheapest day to depart from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport is on a Wednesday when prices can be found for as low as £100. When flying out on a Sunday, 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 £242.

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

In the morning is the cheapest time of day to fly from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport when you can find flight prices for as low as £166. Flying to San Juan Luis Munoz Marin Intl Airport in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £286 on average. Flights to San Juan Luis Munoz Marin Intl Airport from New York LaGuardia Airport in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 £249 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 Luis Munoz Marin Intl Airport from New York LaGuardia Airport for as low as £194 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 2% 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 return 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

£81

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 £81. The best return flight deal from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is £164.
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.
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  • How far is New York LaGuardia to San Juan Luis Munoz Marin Intl by plane?

    A flight from New York LaGuardia to San Juan Luis Munoz Marin Intl will travel around 1611.3 mi. In terms of flight time, this usually takes a little over 6h 34m.

  • 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 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 required for your trip to San Juan Luis Munoz Marin Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Juan Luis Munoz Marin Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near San Juan?

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from New York to San Juan.

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

Of course. momondo tracks the price of New York to San Juan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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