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Cheap flights from New York LaGuardia Airport to San Juan from £65

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 3/3. 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.
Frontier Logo
12:30 - 02:53
LGA
-
SJU
13h 23m
1 stop
Frontier Logo
03:53 - 11:29
SJU
-
LGA
8h 36m
1 stop
£136Frontier
Sat, 21 Feb - Mon, 23 Feb
Spirit Airlines Logo
06:30 - 23:09
LGA
-
SJU
15h 39m
1 stop
Spirit Airlines Logo
11:52 - 19:00
SJU
-
LGA
8h 08m
1 stop
£150Spirit Airlines
Fri, 20 Feb - Fri, 27 Feb
Frontier Logo
06:00 - 14:12
LGA
-
SJU
8h 12m
1 stop
Frontier Logo
06:30 - 15:30
SJU
-
LGA
9h 00m
1 stop
£165Frontier
Mon, 16 Mar - Tue, 17 Mar
Spirit Airlines Logo
07:40 - 18:49
LGA
-
SJU
10h 09m
1 stop
Spirit Airlines Logo
05:20 - 11:00
SJU
-
LGA
6h 40m
1 stop
£172Spirit Airlines
Thu, 12 Feb - Sat, 14 Feb
Multiple Airlines Logo
19:59 - 09:47
LGA
-
SJU
12h 48m
1 stop
Multiple Airlines Logo
17:39 - 11:29
SJU
-
LGA
18h 50m
1 stop
£174Multiple Airlines
Sat, 31 Jan - Sun, 8 Feb
Spirit Airlines Logo
06:30 - 22:03
LGA
-
SJU
15h 33m
1 stop
Spirit Airlines Logo
07:00 - 17:28
SJU
-
LGA
10h 28m
1 stop
£175Spirit Airlines
Thu, 26 Mar - Mon, 30 Mar
Frontier Logo
06:00 - 14:12
LGA
-
SJU
8h 12m
1 stop
Frontier Logo
03:08 - 15:59
SJU
-
LGA
12h 51m
1 stop
£177Frontier
Tue, 17 Mar - Tue, 17 Mar
Spirit Airlines Logo
09:55 - 23:09
LGA
-
SJU
12h 14m
1 stop
Spirit Airlines Logo
20:05 - 11:00
SJU
-
LGA
15h 55m
2 stops
£182Spirit Airlines
Sat, 21 Feb - Tue, 24 Feb
Frontier Logo
12:01 - 22:45
LGA
-
SJU
10h 44m
1 stop
Frontier Logo
06:30 - 15:59
SJU
-
LGA
9h 29m
1 stop
£183Frontier
Tue, 17 Mar - Wed, 18 Mar
United Airlines Logo
07:15 - 22:22
LGA
-
SJU
14h 07m
2 stops
United Airlines Logo
17:50 - 23:43
SJU
-
LGA
6h 53m
1 stop
£183United Airlines
Sun, 25 Jan - Fri, 30 Jan

Frontier flights from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport

Our best Frontier deals on New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport flight tickets
Frontier
21 Feb
LGA12:30New York LaGuardia
13h 23m
1 stop
SJU02:53San Juan Luis Munoz Marin Intl
23 Feb
SJU03:53San Juan Luis Munoz Marin Intl
8h 36m
1 stop
LGA11:29New York LaGuardia
£136
Frontier
16 Mar
LGA06:00New York LaGuardia
8h 12m
1 stop
SJU14:12San Juan Luis Munoz Marin Intl
17 Mar
SJU06:30San Juan Luis Munoz Marin Intl
9h 00m
1 stop
LGA15:30New York LaGuardia
£165
Frontier
17 Mar
LGA06:00New York LaGuardia
8h 12m
1 stop
SJU14:12San Juan Luis Munoz Marin Intl
17 Mar
SJU03:08San Juan Luis Munoz Marin Intl
12h 51m
1 stop
LGA15:59New York LaGuardia
£177

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
20 Feb
LGA06:30New York LaGuardia
15h 39m
1 stop
SJU23:09San Juan Luis Munoz Marin Intl
27 Feb
SJU11:52San Juan Luis Munoz Marin Intl
8h 08m
1 stop
LGA19:00New York LaGuardia
£150
Spirit Airlines
12 Feb
LGA07:40New York LaGuardia
10h 09m
1 stop
SJU18:49San Juan Luis Munoz Marin Intl
14 Feb
SJU05:20San Juan Luis Munoz Marin Intl
6h 40m
1 stop
LGA11:00New York LaGuardia
£172
Spirit Airlines
26 Mar
LGA06:30New York LaGuardia
15h 33m
1 stop
SJU22:03San Juan Luis Munoz Marin Intl
30 Mar
SJU07:00San Juan Luis Munoz Marin Intl
10h 28m
1 stop
LGA17:28New York LaGuardia
£175

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 16 January 2026.
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

Sat 21/2

12:30-02:53

1 stop13h 23m

San Juan Luis Munoz Marin Intl

Mon 23/2

03:53-11:29

1 stop8h 36m

£136

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Fri 20/2

06:30-23:09

1 stop15h 39m

San Juan Luis Munoz Marin Intl

Fri 27/2

11:52-19:00

1 stop8h 08m

£150

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Mon 16/3

06:00-14:12

1 stop8h 12m

San Juan Luis Munoz Marin Intl

Tue 17/3

06:30-15:30

1 stop9h 00m

£165

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Thu 12/2

07:40-18:49

1 stop10h 09m

San Juan Luis Munoz Marin Intl

Sat 14/2

05:20-11:00

1 stop6h 40m

£172

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Sat 31/1

19:59-09:47

1 stop12h 48m

San Juan Luis Munoz Marin Intl

Sun 8/2

17:39-11:29

1 stop18h 50m

£174

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Thu 26/3

06:30-22:03

1 stop15h 33m

San Juan Luis Munoz Marin Intl

Mon 30/3

07:00-17:28

1 stop10h 28m

£175

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Tue 17/3

06:00-14:12

1 stop8h 12m

San Juan Luis Munoz Marin Intl

Tue 17/3

03:08-15:59

1 stop12h 51m

£177

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Sat 21/2

09:55-23:09

1 stop12h 14m

San Juan Luis Munoz Marin Intl

Tue 24/2

20:05-11:00

2 stops15h 55m

£182

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Tue 17/3

12:01-22:45

1 stop10h 44m

San Juan Luis Munoz Marin Intl

Wed 18/3

06:30-15:59

1 stop9h 29m

£183

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Sun 25/1

07:15-22:22

2 stops14h 07m

San Juan Luis Munoz Marin Intl

Fri 30/1

17:50-23:43

1 stop6h 53m

£183

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 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 September, 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 September, still average around £194.

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 £125. 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 £272.

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

In the evening 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 £174. Flying to San Juan Luis Munoz Marin Intl Airport in the evening 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 morning when prices are £222 on average. Flights to San Juan Luis Munoz Marin Intl Airport from New York LaGuardia Airport in the morning 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 £255 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 £180 on momondo.

How have New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of January 2026, prices for New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport flights are approximately 33% cheaper 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

Fastest flight time

9h 15m

Direct flights

None
The fastest flight from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport takes 9h 15m
There are no direct flights from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport.
Search flight deals

  • 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 9h 15m.

  • 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.

  • What is the most popular plane model from New York LaGuardia Airport to San Juan Luis Munoz Marin Intl Airport?

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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