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Cheap flights from New York LaGuardia Airport to San Juan from £82

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 30/9. 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
09:55 - 20:38LGA-SJU
10h 43m1 stop
United Airlines Logo
16:55 - 23:43SJU-LGA
6h 48m1 stop
£163United Airlines
Find Deal
Tue, 30 Sep - Thu, 2 Oct
United Airlines Logo
10:15 - 21:22LGA-SJU
11h 07m2 stops
United Airlines Logo
16:50 - 23:30SJU-LGA
6h 40m1 stop
£165United Airlines
Find Deal
Wed, 29 Oct - Sat, 1 Nov
United Airlines Logo
08:00 - 22:22LGA-SJU
13h 22m2 stops
United Airlines Logo
08:10 - 13:49SJU-LGA
6h 39m1 stop
£167United Airlines
Find Deal
Mon, 12 Jan - Wed, 21 Jan
Frontier Logo
06:30 - 14:09LGA-SJU
7h 39m1 stop
Frontier Logo
21:19 - 12:04SJU-LGA
14h 45m1 stop
£177Frontier
Find Deal
Thu, 9 Oct - Sun, 12 Oct
Frontier Logo
12:56 - 23:59LGA-SJU
11h 03m1 stop
Frontier Logo
15:14 - 23:01SJU-LGA
7h 47m1 stop
£178Frontier
Find Deal
Fri, 3 Oct - Fri, 10 Oct
JetBlue Logo
12:30 - 18:52LGA-SJU
6h 22m1 stop
JetBlue Logo
07:00 - 13:10SJU-LGA
7h 10m1 stop
£196JetBlue
Find Deal
Fri, 31 Oct - Tue, 4 Nov
JetBlue Logo
07:00 - 13:54LGA-SJU
6h 54m1 stop
JetBlue Logo
16:40 - 22:59SJU-LGA
6h 19m1 stop
£200JetBlue
Find Deal
Sat, 13 Sep - Sat, 20 Sep
Logo
06:30 - 14:09LGA-SJU
7h 39m1 stop
Logo
02:49 - 09:00SJU-LGA
6h 11m1 stop
£205
Find Deal
Thu, 9 Oct - Sat, 11 Oct
Southwest Logo
09:40 - 22:05LGA-SJU
11h 25m2 stops
Southwest Logo
08:50 - 21:15SJU-LGA
13h 25m1 stop
£207Southwest
Find Deal
Wed, 5 Nov - Sat, 8 Nov
Logo
06:30 - 15:51LGA-SJU
9h 21m1 stop
Logo
17:18 - 19:00SJU-LGA
25h 42m2 stops
£217
Find Deal
Fri, 3 Oct - Fri, 10 Oct

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
31 Oct
LGA12:30New York LaGuardia
6h 22m
1 stop
SJU18:52San Juan Luis Munoz Marin Intl
4 Nov
SJU07:00San Juan Luis Munoz Marin Intl
7h 10m
1 stop
LGA13:10New York LaGuardia
£196
Find similar
JetBlue
13 Sept
LGA07:00New York LaGuardia
6h 54m
1 stop
SJU13:54San Juan Luis Munoz Marin Intl
20 Sept
SJU16:40San Juan Luis Munoz Marin Intl
6h 19m
1 stop
LGA22:59New York LaGuardia
£200
Find similar
JetBlue
16 Sept
LGA13:30New York LaGuardia
6h 50m
1 stop
SJU20:20San Juan Luis Munoz Marin Intl
23 Sept
SJU07:25San Juan Luis Munoz Marin Intl
6h 38m
1 stop
LGA14:03New York LaGuardia
£203
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
30 Sept
LGA09:55New York LaGuardia
10h 43m
1 stop
SJU20:38San Juan Luis Munoz Marin Intl
2 Oct
SJU16:55San Juan Luis Munoz Marin Intl
6h 48m
1 stop
LGA23:43New York LaGuardia
£163
Find similar
United Airlines
29 Oct
LGA10:15New York LaGuardia
11h 07m
2 stops
SJU21:22San Juan Luis Munoz Marin Intl
1 Nov
SJU16:50San Juan Luis Munoz Marin Intl
6h 40m
1 stop
LGA23:30New York LaGuardia
£165
Find similar
United Airlines
12 Jan
LGA08:00New York LaGuardia
13h 22m
2 stops
SJU22:22San Juan Luis Munoz Marin Intl
21 Jan
SJU08:10San Juan Luis Munoz Marin Intl
6h 39m
1 stop
LGA13:49New York LaGuardia
£167
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 21 August 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 30/9

09:55-20:38

1 stop10h 43m

San Juan Luis Munoz Marin Intl

Thu 2/10

16:55-23:43

1 stop6h 48m

£163

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Wed 29/10

10:15-21:22

2 stops11h 07m

San Juan Luis Munoz Marin Intl

Sat 1/11

16:50-23:30

1 stop6h 40m

£165

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Mon 12/1

08:00-22:22

2 stops13h 22m

San Juan Luis Munoz Marin Intl

Wed 21/1

08:10-13:49

1 stop6h 39m

£167

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Thu 9/10

06:30-14:09

1 stop7h 39m

San Juan Luis Munoz Marin Intl

Sun 12/10

21:19-12:04

1 stop14h 45m

£177

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Fri 3/10

12:56-23:59

1 stop11h 03m

San Juan Luis Munoz Marin Intl

Fri 10/10

15:14-23:01

1 stop7h 47m

£178

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Fri 31/10

12:30-18:52

1 stop6h 22m

San Juan Luis Munoz Marin Intl

Tue 4/11

07:00-13:10

1 stop7h 10m

£196

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Sat 13/9

07:00-13:54

1 stop6h 54m

San Juan Luis Munoz Marin Intl

Sat 20/9

16:40-22:59

1 stop6h 19m

£200

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Thu 9/10

06:30-14:09

1 stop7h 39m

San Juan Luis Munoz Marin Intl

Sat 11/10

02:49-09:00

1 stop6h 11m

£205

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Wed 5/11

09:40-22:05

2 stops11h 25m

San Juan Luis Munoz Marin Intl

Sat 8/11

08:50-21:15

1 stop13h 25m

£207

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Fri 3/10

06:30-15:51

1 stop9h 21m

San Juan Luis Munoz Marin Intl

Fri 10/10

17:18-19:00

2 stops25h 42m

£217

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 October. Flight prices, which tend to average around £174, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, 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 October, still average around £186.

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 £101. 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 £243.

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 £167. 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 £287.

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 £250 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 £194 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 12m 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