Cheap flights from New York LaGuardia Airport to San Juan from C$ 143

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 29/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from New York LaGuardia Airport to San Juan

Cheap round-trip flights

United Airlines Logo
9:15 a.m. - 9:22 p.m.LGA-SJU
12h 07m2 stops
United Airlines Logo
4:50 p.m. - 11:30 p.m.SJU-LGA
6h 40m1 stop
C$ 284United Airlines
Find Deal
Wed, 29 Oct - Fri, 31 Oct
United Airlines Logo
6:00 a.m. - 12:34 p.m.LGA-SJU
6h 34m1 stop
United Airlines Logo
4:55 p.m. - 11:43 p.m.SJU-LGA
6h 48m1 stop
C$ 292United Airlines
Find Deal
Tue, 14 Oct - Wed, 22 Oct
United Airlines Logo
10:15 a.m. - 8:00 p.m.LGA-SJU
9h 45m1 stop
United Airlines Logo
8:10 a.m. - 6:07 p.m.SJU-LGA
10h 57m1 stop
C$ 298United Airlines
Find Deal
Wed, 29 Oct - Mon, 3 Nov
Spirit Airlines Logo
6:30 a.m. - 2:12 p.m.LGA-SJU
7h 42m1 stop
Spirit Airlines Logo
6:00 a.m. - 5:07 p.m.SJU-LGA
12h 07m1 stop
C$ 352Spirit Airlines
Find Deal
Wed, 29 Oct - Fri, 14 Nov
JetBlue Logo
6:29 a.m. - 1:36 p.m.LGA-SJU
7h 07m1 stop
JetBlue Logo
11:30 a.m. - 8:30 p.m.SJU-LGA
10h 00m1 stop
C$ 367JetBlue
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Southwest Logo
6:00 a.m. - 5:25 p.m.LGA-SJU
11h 25m2 stops
Southwest Logo
11:50 a.m. - 9:30 p.m.SJU-LGA
9h 40m2 stops
C$ 411Southwest
Find Deal
Wed, 24 Sep - Wed, 1 Oct
 Logo
9:59 a.m. - 1:44 a.m.LGA-SJU
15h 45m1 stop
 Logo
9:19 p.m. - 12:04 p.m.SJU-LGA
14h 45m1 stop
C$ 426
Find Deal
Wed, 15 Oct - Sun, 19 Oct
JetBlue Logo
2:00 p.m. - 12:47 a.m.LGA-SJU
9h 47m1 stop
JetBlue Logo
12:30 p.m. - 7:57 p.m.SJU-LGA
8h 27m1 stop
C$ 435JetBlue
Find Deal
Fri, 14 Nov - Sat, 22 Nov
Southwest Logo
8:30 a.m. - 7:45 p.m.LGA-SJU
11h 15m2 stops
Southwest Logo
5:45 a.m. - 2:50 p.m.SJU-LGA
10h 05m2 stops
C$ 439Southwest
Find Deal
Fri, 31 Oct - Wed, 5 Nov
Spirit Airlines Logo
5:55 a.m. - 2:12 p.m.LGA-SJU
8h 17m1 stop
Spirit Airlines Logo
12:08 p.m. - 9:00 a.m.SJU-LGA
20h 52m2 stops
C$ 484Spirit Airlines
Find Deal
Wed, 15 Oct - Sun, 19 Oct

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
29 Oct
LGA9:15 a.m.New York LaGuardia
12h 07m
2 stops
SJU9:22 p.m.San Juan Luis Munoz Marin Intl
31 Oct
SJU4:50 p.m.San Juan Luis Munoz Marin Intl
6h 40m
1 stop
LGA11:30 p.m.New York LaGuardia
United Airlines
14 Oct
LGA6:00 a.m.New York LaGuardia
6h 34m
1 stop
SJU12:34 p.m.San Juan Luis Munoz Marin Intl
22 Oct
SJU4:55 p.m.San Juan Luis Munoz Marin Intl
6h 48m
1 stop
LGA11:43 p.m.New York LaGuardia
United Airlines
29 Oct
LGA10:15 a.m.New York LaGuardia
9h 45m
1 stop
SJU8:00 p.m.San Juan Luis Munoz Marin Intl
3 Nov
SJU8:10 a.m.San Juan Luis Munoz Marin Intl
10h 57m
1 stop
LGA6:07 p.m.New York LaGuardia

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
24 Sep
LGA7:55 a.m.New York LaGuardia
11h 50m
2 stops
SJU7:45 p.m.San Juan Luis Munoz Marin Intl
1 Oct
SJU11:50 a.m.San Juan Luis Munoz Marin Intl
9h 40m
2 stops
LGA9:30 p.m.New York LaGuardia
Southwest
31 Oct
LGA8:30 a.m.New York LaGuardia
11h 15m
2 stops
SJU7:45 p.m.San Juan Luis Munoz Marin Intl
5 Nov
SJU5:45 a.m.San Juan Luis Munoz Marin Intl
10h 05m
2 stops
LGA2:50 p.m.New York LaGuardia
Southwest
17 Sep
LGA11:25 a.m.New York LaGuardia
11h 20m
2 stops
SJU10:45 p.m.San Juan Luis Munoz Marin Intl
1 Oct
SJU11:50 a.m.San Juan Luis Munoz Marin Intl
9h 40m
2 stops
LGA9:30 p.m.New York LaGuardia

momondo Fare Finder

 
Customize 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 96,600 searches. Data last updated 15 September 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

Wed 29/10

9:15 a.m.-9:22 p.m.

2 stops12h 07m

San Juan Luis Munoz Marin Intl

Fri 31/10

4:50 p.m.-11:30 p.m.

1 stop6h 40m

C$ 284

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Tue 14/10

6:00 a.m.-12:34 p.m.

1 stop6h 34m

San Juan Luis Munoz Marin Intl

Wed 22/10

4:55 p.m.-11:43 p.m.

1 stop6h 48m

C$ 292

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Wed 29/10

10:15 a.m.-8:00 p.m.

1 stop9h 45m

San Juan Luis Munoz Marin Intl

Mon 3/11

8:10 a.m.-6:07 p.m.

1 stop10h 57m

C$ 298

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Wed 29/10

6:30 a.m.-2:12 p.m.

1 stop7h 42m

San Juan Luis Munoz Marin Intl

Fri 14/11

6:00 a.m.-5:07 p.m.

1 stop12h 07m

C$ 352

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Wed 29/10

6:29 a.m.-1:36 p.m.

1 stop7h 07m

San Juan Luis Munoz Marin Intl

Wed 5/11

11:30 a.m.-8:30 p.m.

1 stop10h 00m

C$ 367

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Wed 24/9

6:00 a.m.-5:25 p.m.

2 stops11h 25m

San Juan Luis Munoz Marin Intl

Wed 1/10

11:50 a.m.-9:30 p.m.

2 stops9h 40m

C$ 411

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Wed 15/10

9:59 a.m.-1:44 a.m.

1 stop15h 45m

San Juan Luis Munoz Marin Intl

Sun 19/10

9:19 p.m.-12:04 p.m.

1 stop14h 45m

C$ 426

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Fri 14/11

2:00 p.m.-12:47 a.m.

1 stop9h 47m

San Juan Luis Munoz Marin Intl

Sat 22/11

12:30 p.m.-7:57 p.m.

1 stop8h 27m

C$ 435

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Fri 31/10

8:30 a.m.-7:45 p.m.

2 stops11h 15m

San Juan Luis Munoz Marin Intl

Wed 5/11

5:45 a.m.-2:50 p.m.

2 stops10h 05m

C$ 439

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Wed 15/10

5:55 a.m.-2:12 p.m.

1 stop8h 17m

San Juan Luis Munoz Marin Intl

Sun 19/10

12:08 p.m.-9:00 a.m.

2 stops20h 52m

C$ 484

Flights are sorted by cheapest round-trip 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 month of March is, on average, the cheapest month to fly to San Juan from New York LaGuardia Airport, with most prices found around C$ 347. If you aren’t able to travel to San Juan during the month of March, then flying in September is also cheap. Prices for this month can be found on momondo for an average of C$ 367.

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

According to our data, Wednesday is the cheapest day to fly to San Juan from New York LaGuardia Airport. The lowest ticket price found for a Wednesday departure recently was C$ 271. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Thursday is the most expensive day to depart from New York LaGuardia Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 464.

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

Our most recent data shows that the best time of day to fly to San Juan is in the afternoon. Flights from New York LaGuardia Airport to San Juan during this time can be as low as C$ 242. In the evening is when there is more demand to fly to San Juan, so prices are often more expensive at around C$ 738 per ticket.

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 C$ 475 when searching weeks out. 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 C$ 378 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.
  • How far is New York LaGuardia to San Juan by plane?

    The straight-line distance from New York LaGuardia to San Juan is 2587.3 km. 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 refresh daily.

  • How old do you have to be to fly from New York LaGuardia Airport to San Juan?

    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.

  • What documentation or ID do you need to fly to San Juan?

    The necessary travel and health documents for your San Juan trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from New York to San Juan?

It is quick and easy to find New York to San Juan flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Juan that suits you.

Can I find flights from New York to San Juan with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for New York to San Juan flights to just show those with flexible booking policies.

How can momondo help me find flights from New York to San Juan?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Juan from New York.

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

Price alerts on flights to San Juan from New York are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Wed 15/10
Wed 22/10

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 11.5 km from San Juan