HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Juan

$48+ Cheap flights from the United States to San Juan

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SJU
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from USA to San Juan with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from USA to San Juan

Keep the following information in mind while searching for USA to San Juan flight deals. Data was last updated February 22, 2025.

Round-trip from

$90
(Cheapflightsfares)

One-way from

$48
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$327
From USA to San Juan
Search Deals
One-way flight from USA to San Juan
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

Find flight deals from USA to San Juan

Cheapest flights from USA to San Juan
Explore the most affordable flight options available from USA to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

This Frontier deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/13:01 pmJFK - SJU
Nonstop3h 51mFrontier
Sat 3/810:35 pmSJU - JFK
Nonstop4h 15mFrontier
Deal found 2/22$90
This Cheapflightsfares deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/181:03 pmEWR - SJU
Nonstop3h 47mFrontier
Tue 3/259:30 pmSJU - EWR
Nonstop4h 18mFrontier
Deal found 2/22$90
This Kiwi.com deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/47:45 amEWR - SJU
1 stop8h 16mMultiple Airlines
Fri 3/78:45 amSJU - EWR
Nonstop4h 18mMultiple Airlines
Deal found 2/21$94
This Kiwi.com deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/611:43 amBOS - SJU
Nonstop4h 01mMultiple Airlines
Mon 5/121:10 amSJU - BOS
1 stop14h 20mMultiple Airlines
Deal found 2/21$115
This Cheapflightsfares deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1111:43 amBOS - SJU
Nonstop4h 01mFrontier
Thu 5/156:30 amSJU - BOS
Nonstop4h 13mFrontier
Deal found 2/21$116
This eDestinos deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/46:55 amLGA - SJU
1 stop9h 06mSpirit Airlines
Mon 3/103:38 amSJU - LGA
1 stop10h 34mSpirit Airlines
Deal found 2/21$118
This FlightHub deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/210:52 amLGA - SJU
1 stop14h 58mFrontier
Sun 4/612:37 amSJU - LGA
1 stop15h 23mFrontier
Deal found 2/21$121
This eDestinos deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/47:45 amEWR - SJU
1 stop8h 16mSpirit Airlines
Tue 3/1112:49 pmSJU - EWR
1 stop11h 59mSpirit Airlines
Deal found 2/21$123
This Cheapflightsfares deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/17:52 pmBOS - SJU
Nonstop4h 00mSpirit Airlines
Tue 5/66:15 pmSJU - BOS
1 stop16h 15mSpirit Airlines
Deal found 2/21$124
This Booking.com deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/46:55 amLGA - SJU
1 stop9h 06mMultiple Airlines
Mon 3/102:54 amSJU - LGA
1 stop7h 06mMultiple Airlines
Deal found 2/21$132
This Cheapflightsfares deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/299:59 pmBWI - SJU
Nonstop3h 43mMultiple Airlines
Wed 4/24:22 pmSJU - BWI
Nonstop4h 07mMultiple Airlines
Deal found 2/21$133
This eDestinos deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/27:00 pmBWI - SJU
Nonstop3h 42mSpirit Airlines
Wed 3/54:12 pmSJU - BWI
Nonstop4h 10mSpirit Airlines
Deal found 2/20$134

Find flights from USA to San Juan within your budget

Customize your flight search to find flights from USA 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, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2025.

Fly from

USA

Fly to

San Juan

Route

Depart

Return

Price

New YorkSan Juan

JFK - SJU

JFKSJU

New York John F Kennedy Intl

Tue 4/1

6:00 am-9:52 am

Nonstop3h 52m

San Juan Luis Munoz Marin Intl

Sat 4/5

6:15 am-10:25 am

Nonstop4h 10m

$90

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Tue 3/18

1:03 pm-4:50 pm

Nonstop3h 47m

San Juan Luis Munoz Marin Intl

Tue 3/25

9:30 pm-1:48 am

Nonstop4h 18m

$90

NewarkSan Juan

EWR - SJU

EWRSJU

Newark

Tue 3/4

7:45 am-5:01 pm

1 stop8h 16m

San Juan Luis Munoz Marin Intl

Fri 3/7

8:45 am-12:03 pm

Nonstop4h 18m

$94

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Tue 5/6

11:43 am-3:44 pm

Nonstop4h 01m

San Juan Luis Munoz Marin Intl

Mon 5/12

1:10 am-3:30 pm

1 stop14h 20m

$115

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Sun 5/11

11:43 am-3:44 pm

Nonstop4h 01m

San Juan Luis Munoz Marin Intl

Thu 5/15

6:30 am-10:43 am

Nonstop4h 13m

$116

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Tue 3/4

6:55 am-5:01 pm

1 stop9h 06m

San Juan Luis Munoz Marin Intl

Mon 3/10

3:38 am-2:12 pm

1 stop10h 34m

$118

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Wed 4/2

10:52 am-1:50 am

1 stop14h 58m

San Juan Luis Munoz Marin Intl

Sun 4/6

12:37 am-4:00 pm

1 stop15h 23m

$121

BostonSan Juan

BOS - SJU

BOSSJU

Boston Logan Intl

Thu 5/1

7:52 pm-11:52 pm

Nonstop4h 00m

San Juan Luis Munoz Marin Intl

Tue 5/6

6:15 pm-10:30 am

1 stop16h 15m

$124

New YorkSan Juan

LGA - SJU

LGASJU

New York LaGuardia

Tue 3/4

6:55 am-5:01 pm

1 stop9h 06m

San Juan Luis Munoz Marin Intl

Mon 3/10

2:54 am-10:00 am

1 stop7h 06m

$132

BaltimoreSan Juan

BWI - SJU

BWISJU

Baltimore/Washington

Sat 3/29

9:59 pm-1:42 am

Nonstop3h 43m

San Juan Luis Munoz Marin Intl

Wed 4/2

4:22 pm-8:29 pm

Nonstop4h 07m

$133

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from USA to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from USA with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from USA to San Juan

Get recent, data-driven insights about flights from USA to San Juan including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from USA to San Juan?

Currently, September is the cheapest month in which you can book a flight from USA to San Juan (average of $254). Flying from USA to San Juan in March is currently the most expensive (average of $363). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from US to SJU?

Find hourly flight availability from USA to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 22, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from USA to San Juan as you normally would.

Weekly flight availability from USA to San Juan

Explore weekly flight availability from USA to San Juan. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 22, 2025.

The most flights from US0 to PR1 are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan when rainfall is around 2.2 in.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated February 22, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from USA to San Juan. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,395 reviews

Crew

8.7

Comfort

8.1

Overall

8.1

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,395 reviews
Southwest
8.1
Very good
4,395 reviews

Crew

8.7

Comfort

8.1

Overall

8.1

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,700 reviews
Southwest
8.1
Very good
4,395 reviews

Crew

8.7

Comfort

8.1

Overall

8.1

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,203 reviews
Southwest
8.1
Very good
4,395 reviews

Crew

8.7

Comfort

8.1

Overall

8.1

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Avelo Airlines
7.5
Good
Southwest
8.1
Very good
4,395 reviews

Crew

8.7

Comfort

8.1

Overall

8.1

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

JetBlue
7.4
Good
3,068 reviews
Southwest
8.1
Very good
4,395 reviews

Crew

8.7

Comfort

8.1

Overall

8.1

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from USA to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from USA to San Juan one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $48. Users have also found prices from $58 and $79 on Spirit Airlines and Delta, respectively.

  • What are the most popular routes from USA to San Juan?

    The most popular flight routes from USA to San Juan are New York John F Kennedy Intl - San Juan Luis Munoz Marin Intl, Newark - San Juan Luis Munoz Marin Intl and New York LaGuardia - San Juan Luis Munoz Marin Intl.

  • Can I find deals for flights from USA to San Juan that include hotel bookings?

    Yes. In addition to deals on USA to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from USA to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to San Juan.

  • Can I find deals for business class flights from USA to San Juan?

    Yes. Cheapflights offers flight deals from USA to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from USA to San Juan?

    Currently, September is the cheapest month in which you can book a flight from USA to San Juan (average of $254). Flying from USA to San Juan in March is currently the most expensive (average of $363). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for USA to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Luis Munoz Marin Intl flights
Newark to Luis Munoz Marin Intl flights
LaGuardia to Luis Munoz Marin Intl flights
Boston to Luis Munoz Marin Intl flights
O'Hare Intl to Luis Munoz Marin Intl flights
Dulles Intl to Luis Munoz Marin Intl flights
Philadelphia to Luis Munoz Marin Intl flights
Dallas/Fort Worth to Luis Munoz Marin Intl flights
Reagan-National to Luis Munoz Marin Intl flights
Baltimore to Luis Munoz Marin Intl flights
Atlanta to Luis Munoz Marin Intl flights
Hartford to Luis Munoz Marin Intl flights
Orlando to Luis Munoz Marin Intl flights
Fort Lauderdale to Luis Munoz Marin Intl flights
Tampa to Luis Munoz Marin Intl flights
Raleigh to Luis Munoz Marin Intl flights
Miami to Luis Munoz Marin Intl flights
Midway to Luis Munoz Marin Intl flights
Hobby to Luis Munoz Marin Intl flights
George Bush Intcntl to Luis Munoz Marin Intl flights
Denver to Luis Munoz Marin Intl flights
Detroit to Luis Munoz Marin Intl flights
Los Angeles to Luis Munoz Marin Intl flights
Minneapolis to Luis Munoz Marin Intl flights
Cleveland to Luis Munoz Marin Intl flights
San Francisco to Luis Munoz Marin Intl flights
Charlotte to Luis Munoz Marin Intl flights
John F Kennedy Intl to Aguadilla flights
Trenton to Luis Munoz Marin Intl flights
Atlantic City to Luis Munoz Marin Intl flights
Providence to Luis Munoz Marin Intl flights
Love Field to Luis Munoz Marin Intl flights
Seattle to Luis Munoz Marin Intl flights
White Plains to Luis Munoz Marin Intl flights
Austin to Luis Munoz Marin Intl flights
Cincinnati to Luis Munoz Marin Intl flights
Sky Harbor Intl to Luis Munoz Marin Intl flights
Richmond to Luis Munoz Marin Intl flights
Pittsburgh to Luis Munoz Marin Intl flights
Jacksonville to Luis Munoz Marin Intl flights
Milwaukee to Luis Munoz Marin Intl flights
Ontario to Luis Munoz Marin Intl flights
Orlando to Ponce flights
Columbus to Luis Munoz Marin Intl flights
San Diego to Luis Munoz Marin Intl flights
Buffalo to Luis Munoz Marin Intl flights
Norfolk to Luis Munoz Marin Intl flights
St. Louis to Luis Munoz Marin Intl flights
Burbank to Luis Munoz Marin Intl flights
Indianapolis to Luis Munoz Marin Intl flights

Top 9 airlines flying from USA to San Juan

Discover the top 9 airlines that operate flights from USA to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$75Average$250FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$78Average$316FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$93Average$463FlexibilityNo cancel feeOn-time62%
DeltaCheapest$141Average$490FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$196Average$511FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$210Average$546FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$324Average$611FlexibilityNo cancel feeOn-time63%
Sun Country AirCheapest$334Average$871FlexibilityNo cancel feeOn-time83%
Alaska AirlinesCheapest$425Average$731FlexibilityNo cancel feeOn-time75%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.