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Cheap flights from New York LaGuardia Airport to San Juan from £70

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 18/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
Spirit Airlines Logo
09:55 - 23:33
LGA
-
SJU
12h 38m1 stop
Spirit Airlines Logo
11:52 - 19:00
SJU
-
LGA
8h 08m1 stop
£120Spirit Airlines
Tue, 27 Jan - Thu, 5 Feb
United Airlines Logo
14:55 - 22:22
LGA
-
SJU
6h 27m1 stop
United Airlines Logo
08:35 - 18:44
SJU
-
LGA
11h 09m2 stops
£135United Airlines
Tue, 27 Jan - Wed, 28 Jan
United Airlines Logo
06:00 - 13:17
LGA
-
SJU
6h 17m1 stop
United Airlines Logo
17:50 - 23:43
SJU
-
LGA
6h 53m1 stop
£139United Airlines
Sun, 1 Feb - Wed, 4 Feb
United Airlines Logo
14:55 - 22:22
LGA
-
SJU
6h 27m1 stop
United Airlines Logo
07:45 - 21:14
SJU
-
LGA
14h 29m2 stops
£146United Airlines
Sat, 24 Jan - Tue, 27 Jan
United Airlines Logo
06:00 - 13:17
LGA
-
SJU
6h 17m1 stop
United Airlines Logo
07:45 - 21:14
SJU
-
LGA
14h 29m2 stops
£147United Airlines
Thu, 22 Jan - Tue, 27 Jan
United Airlines Logo
07:15 - 21:26
LGA
-
SJU
13h 11m2 stops
United Airlines Logo
17:50 - 23:43
SJU
-
LGA
6h 53m1 stop
£149United Airlines
Tue, 13 Jan - Fri, 16 Jan
United Airlines Logo
16:25 - 06:11
LGA
-
SJU
12h 46m2 stops
United Airlines Logo
17:50 - 23:44
SJU
-
LGA
6h 54m1 stop
£152United Airlines
Sat, 21 Feb - Wed, 25 Feb
United Airlines Logo
17:15 - 06:11
LGA
-
SJU
11h 56m2 stops
United Airlines Logo
08:10 - 14:14
SJU
-
LGA
7h 04m1 stop
£153United Airlines
Fri, 9 Jan - Wed, 14 Jan
United Airlines Logo
09:55 - 21:26
LGA
-
SJU
10h 31m1 stop
United Airlines Logo
08:30 - 18:42
SJU
-
LGA
11h 12m2 stops
£159United Airlines
Wed, 25 Feb - Wed, 4 Mar
United Airlines Logo
09:55 - 21:26
LGA
-
SJU
10h 31m1 stop
United Airlines Logo
07:45 - 16:28
SJU
-
LGA
9h 43m1 stop
£160United Airlines
Fri, 9 Jan - Tue, 13 Jan

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
3 Jan
LGA10:18New York LaGuardia
3h 55m
SJU15:13San Juan Luis Munoz Marin Intl
10 Jan
SJU08:20San Juan Luis Munoz Marin Intl
4h 18m
LGA11:38New York LaGuardia
£167
Find similar
Frontier
11 Jan
LGA06:25New York LaGuardia
7h 54m
1 stop
SJU15:19San Juan Luis Munoz Marin Intl
14 Jan
SJU16:35San Juan Luis Munoz Marin Intl
7h 40m
1 stop
LGA23:15New York LaGuardia
£174
Find similar
Frontier
3 Jan
LGA12:00New York LaGuardia
7h 48m
1 stop
SJU20:48San Juan Luis Munoz Marin Intl
10 Jan
SJU07:35San Juan Luis Munoz Marin Intl
9h 54m
1 stop
LGA16:29New York LaGuardia
£291
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
31 Jan
LGA08:20New York LaGuardia
12h 10m
1 stop
SJU21:30San Juan Luis Munoz Marin Intl
3 Feb
SJU05:40San Juan Luis Munoz Marin Intl
11h 10m
2 stops
LGA15:50New York LaGuardia
£182
Find similar
Southwest
24 Feb
LGA06:05New York LaGuardia
12h 00m
2 stops
SJU19:05San Juan Luis Munoz Marin Intl
4 Mar
SJU05:40San Juan Luis Munoz Marin Intl
10h 15m
2 stops
LGA14:55New York LaGuardia
£194
Find similar
Southwest
27 Jan
LGA06:30New York LaGuardia
11h 35m
2 stops
SJU19:05San Juan Luis Munoz Marin Intl
5 Feb
SJU06:10San Juan Luis Munoz Marin Intl
12h 20m
2 stops
LGA17:30New York LaGuardia
£202
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 30 December 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 27/1

09:55-23:33

1 stop12h 38m

San Juan Luis Munoz Marin Intl

Thu 5/2

11:52-19:00

1 stop8h 08m

£120

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Tue 27/1

14:55-22:22

1 stop6h 27m

San Juan Luis Munoz Marin Intl

Wed 28/1

08:35-18:44

2 stops11h 09m

£135

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Sun 1/2

06:00-13:17

1 stop6h 17m

San Juan Luis Munoz Marin Intl

Wed 4/2

17:50-23:43

1 stop6h 53m

£139

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Sat 24/1

14:55-22:22

1 stop6h 27m

San Juan Luis Munoz Marin Intl

Tue 27/1

07:45-21:14

2 stops14h 29m

£146

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Thu 22/1

06:00-13:17

1 stop6h 17m

San Juan Luis Munoz Marin Intl

Tue 27/1

07:45-21:14

2 stops14h 29m

£147

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Tue 13/1

07:15-21:26

2 stops13h 11m

San Juan Luis Munoz Marin Intl

Fri 16/1

17:50-23:43

1 stop6h 53m

£149

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

17:50-23:44

1 stop6h 54m

£152

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Fri 9/1

17:15-06:11

2 stops11h 56m

San Juan Luis Munoz Marin Intl

Wed 14/1

08:10-14:14

1 stop7h 04m

£153

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Wed 25/2

09:55-21:26

1 stop10h 31m

San Juan Luis Munoz Marin Intl

Wed 4/3

08:30-18:42

2 stops11h 12m

£159

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Fri 9/1

09:55-21:26

1 stop10h 31m

San Juan Luis Munoz Marin Intl

Tue 13/1

07:45-16:28

1 stop9h 43m

£160

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 September. Flight prices, which tend to average around £190, 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 £193.

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 £124. 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 £270.

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 £173. 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 £213.

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 £253 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 £179 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

3h 55m

Direct flights

None
The fastest flight from New York LaGuardia Airport to San Juan takes 3h 55m
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. 3h 55m 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