Cheap flights from New York LaGuardia Airport to San Juan from £109

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 14/7. 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
1 adult, Economy, 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.
United Airlines Logo
06:00 - 12:54
LGA
-
SJU
6h 54m
1 stop
United Airlines Logo
07:00 - 19:25
SJU
-
LGA
12h 25m
1 stop
£208United Airlines
Tue, 18 Aug - Tue, 25 Aug
United Airlines Logo
06:00 - 12:54
LGA
-
SJU
6h 54m
1 stop
United Airlines Logo
07:00 - 21:25
SJU
-
LGA
14h 25m
2 stops
£216United Airlines
Wed, 19 Aug - Tue, 25 Aug
United Airlines Logo
06:00 - 12:54
LGA
-
SJU
6h 54m
1 stop
United Airlines Logo
16:55 - 23:30
SJU
-
LGA
6h 35m
1 stop
£223United Airlines
Tue, 11 Aug - Thu, 13 Aug
United Airlines Logo
06:10 - 14:44
LGA
-
SJU
8h 34m
1 stop
United Airlines Logo
16:55 - 23:30
SJU
-
LGA
6h 35m
1 stop
£231United Airlines
Mon, 24 Aug - Wed, 26 Aug
United Airlines Logo
06:00 - 12:54
LGA
-
SJU
6h 54m
1 stop
United Airlines Logo
07:00 - 21:25
SJU
-
LGA
14h 25m
2 stops
£235United Airlines
Tue, 25 Aug - Tue, 1 Sep
United Airlines Logo
06:00 - 12:54
LGA
-
SJU
6h 54m
1 stop
United Airlines Logo
16:55 - 23:30
SJU
-
LGA
6h 35m
1 stop
£238United Airlines
Thu, 27 Aug - Mon, 31 Aug
United Airlines Logo
07:20 - 20:38
LGA
-
SJU
13h 18m
2 stops
United Airlines Logo
07:00 - 16:45
SJU
-
LGA
9h 45m
1 stop
£242United Airlines
Tue, 25 Aug - Wed, 2 Sep
United Airlines Logo
06:10 - 20:38
LGA
-
SJU
14h 28m
2 stops
United Airlines Logo
07:00 - 16:45
SJU
-
LGA
9h 45m
1 stop
£246United Airlines
Fri, 28 Aug - Mon, 31 Aug
United Airlines Logo
06:10 - 20:38
LGA
-
SJU
14h 28m
2 stops
United Airlines Logo
16:55 - 23:30
SJU
-
LGA
6h 35m
1 stop
£247United Airlines
Wed, 12 Aug - Wed, 26 Aug
JetBlue Logo
12:00 - 20:41
LGA
-
SJU
8h 41m
1 stop
JetBlue Logo
05:15 - 14:55
SJU
-
LGA
9h 40m
1 stop
£248JetBlue
Tue, 11 Aug - Wed, 12 Aug

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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
11 Aug
LGA12:00New York LaGuardia
8h 41m
1 stop
SJU20:41San Juan Luis Munoz Marin Intl
12 Aug
SJU05:15San Juan Luis Munoz Marin Intl
9h 40m
1 stop
LGA14:55New York LaGuardia
£248
JetBlue
20 Aug
LGA06:00New York LaGuardia
6h 45m
1 stop
SJU12:45San Juan Luis Munoz Marin Intl
26 Aug
SJU06:50San Juan Luis Munoz Marin Intl
6h 40m
1 stop
LGA13:30New York LaGuardia
£253
JetBlue
11 Aug
LGA16:19New York LaGuardia
6h 59m
1 stop
SJU23:18San Juan Luis Munoz Marin Intl
12 Aug
SJU11:05San Juan Luis Munoz Marin Intl
8h 47m
1 stop
LGA19:52New York LaGuardia
£256

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
18 Aug
LGA06:00New York LaGuardia
6h 54m
1 stop
SJU12:54San Juan Luis Munoz Marin Intl
25 Aug
SJU07:00San Juan Luis Munoz Marin Intl
12h 25m
1 stop
LGA19:25New York LaGuardia
£208
United Airlines
19 Aug
LGA06:00New York LaGuardia
6h 54m
1 stop
SJU12:54San Juan Luis Munoz Marin Intl
25 Aug
SJU07:00San Juan Luis Munoz Marin Intl
14h 25m
2 stops
LGA21:25New York LaGuardia
£216
United Airlines
11 Aug
LGA06:00New York LaGuardia
6h 54m
1 stop
SJU12:54San Juan Luis Munoz Marin Intl
13 Aug
SJU16:55San Juan Luis Munoz Marin Intl
6h 35m
1 stop
LGA23:30New York LaGuardia
£223

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 19 June 2026.
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

Cheapest return flight

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Tue 18/8

06:00-12:54

1 stop6h 54m

San Juan Luis Munoz Marin Intl

Tue 25/8

07:00-19:25

1 stop12h 25m

£208

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Wed 19/8

06:00-12:54

1 stop6h 54m

San Juan Luis Munoz Marin Intl

Tue 25/8

07:00-21:25

2 stops14h 25m

£216
Fastest return journey

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Tue 11/8

06:00-12:54

1 stop6h 54m

San Juan Luis Munoz Marin Intl

Thu 13/8

16:55-23:30

1 stop6h 35m

£223

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Mon 24/8

06:10-14:44

1 stop8h 34m

San Juan Luis Munoz Marin Intl

Wed 26/8

16:55-23:30

1 stop6h 35m

£231

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Tue 25/8

06:00-12:54

1 stop6h 54m

San Juan Luis Munoz Marin Intl

Tue 1/9

07:00-21:25

2 stops14h 25m

£235

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Thu 27/8

06:00-12:54

1 stop6h 54m

San Juan Luis Munoz Marin Intl

Mon 31/8

16:55-23:30

1 stop6h 35m

£238

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Tue 25/8

07:20-20:38

2 stops13h 18m

San Juan Luis Munoz Marin Intl

Wed 2/9

07:00-16:45

1 stop9h 45m

£242

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Fri 28/8

06:10-20:38

2 stops14h 28m

San Juan Luis Munoz Marin Intl

Mon 31/8

07:00-16:45

1 stop9h 45m

£246

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Wed 12/8

06:10-20:38

2 stops14h 28m

San Juan Luis Munoz Marin Intl

Wed 26/8

16:55-23:30

1 stop6h 35m

£247

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Tue 11/8

12:00-20:41

1 stop8h 41m

San Juan Luis Munoz Marin Intl

Wed 12/8

05:15-14:55

1 stop9h 40m

£248

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 typical price of a round-trip flight between New York LaGuardia Airport and San Juan?

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 April. Flight prices, which tend to average around £67, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to San Juan from New York LaGuardia Airport during August instead. Flights to San Juan in August, while not as cheap as those in April, still average around £73.

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 £116. 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 Tuesday, with ticket prices averaging around £306.

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 £221. 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 £296.

How far in advance should I book a flight from New York LaGuardia Airport 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 £271 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 £187 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

7h 50m

Direct flights

None
The fastest flight from New York LaGuardia Airport to San Juan takes 7h 50m
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.

Frequently asked questions about flying from New York LaGuardia Airport to San Juan

  • 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. 7h 50m 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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1 adult
Sun 19/7
Sun 26/7