$62 Cheap Flights from United States to Luis Muñoz Marín International
One-way
Departing from
United States
Going to
Luis Muñoz Marín International
San Juan (SJU)
United States • April, 2026
83% AI deal score
$330 $90
San Juan (SJU)
United States • April, 2026
83% AI deal score
$330 $90
San Juan (SJU)
United States • April, 2026
82% AI deal score
$298 $74
San Juan (SJU)
United States • April, 2026
81% AI deal score
$243 $62
Top Cheap Flight Deals from United States to Luis Muñoz Marín International
Recent round-trip flight deals to Luis Muñoz Marín International
Tue, Apr 21 - Wed, Apr 22
Cheapest
Miami (MIA) - San Juan (SJU)
Frontier Airlines airlines • Direct
San Juan (SJU) - Miami (MIA)
Frontier Airlines airlines • Direct
$155
$90
-$65
42%
Tue, Apr 14 - Wed, Apr 15
Miami (MIA) - San Juan (SJU)
Frontier Airlines airlines • Direct
San Juan (SJU) - Miami (MIA)
Frontier Airlines airlines • Direct
$155
$90
-$65
42%
Mon, Apr 20 - Tue, Apr 21
Miami (MIA) - San Juan (SJU)
Frontier Airlines airlines • Direct
San Juan (SJU) - Miami (MIA)
Frontier Airlines airlines • Direct
$155
$90
-$65
42%
Tue, Apr 28 - Wed, Apr 29
Miami (MIA) - San Juan (SJU)
Frontier Airlines airlines • Direct
San Juan (SJU) - Miami (MIA)
Frontier Airlines airlines • Direct
$155
$90
-$65
42%
Mon, Apr 20 - Wed, Apr 22
Miami (MIA) - San Juan (SJU)
Frontier Airlines airlines • Direct
San Juan (SJU) - Miami (MIA)
Frontier Airlines airlines • Direct
$155
$90
-$65
42%
Wed, Apr 22 - Fri, Apr 24
Miami (MIA) - San Juan (SJU)
Frontier Airlines airlines • Direct
San Juan (SJU) - Miami (MIA)
Frontier Airlines airlines • Direct
$155
$90
-$65
42%
The cheapest time to fly to Luis Muñoz Marín International
Ready to jet to Luis Muñoz Marín International on a budget? Check out these popular routes with surprisingly cheap fares (one-way prices):
Facts About Flights from United States to San Juan
To help you plan your journey, here are some quick San Juan flight facts and tips.
San Juan airports
San Juan, Puerto Rico, is served by two principal airports: Luis Muñoz Marín International Airport (SJU) and Fernando Luis Ribas Dominicci Airport (SIG). Luis Muñoz Marín International Airport (SJU) is the primary airport serving San Juan and is the busiest airport in the Caribbean. It handles the vast majority of commercial air traffic to and from the island, offering a wide array of domestic and international flights. You'll find flights from major airlines connecting San Juan to cities across the Americas, Europe, and other Caribbean islands. The airport provides various amenities, including restaurants, shops, car rentals, and ground transportation options. Fernando Luis Ribas Dominicci Airport (SIG), also known as Isla Grande Airport, primarily caters to general aviation and smaller, regional airlines. While it does offer some commercial flights, its focus is more on private planes, flight training, and cargo operations. It's a convenient option for travel to other parts of Puerto Rico and nearby islands, offering a more streamlined and less crowded experience compared to SJU.
Luis Muñoz Marín International (SJU)
San Juan, United States
Fernando Luis Ribas Dominicci (SIG)
San Juan, United States
Pro tip: search “San Juan (Any)” to see fares to all San Juan airports – sometimes one is cheaper than the others on your dates.
Insights for flights to Luis Muñoz Marín International
Cheapest airport
Luis Munoz Marin International Airport (SJU)
Touchdown in paradise! Luis Muñoz Marín International Airport (SJU) is your gateway to the vibrant island of Puerto Rico. Just a hop, skip, and a jump from the heart of San Juan, SJU welcomes you with open arms and the sweet scent of island adventures. Get ready to trade your everyday blues for the stunning turquoise of San Juan!
Nonstop vs. 1-stop
70+ cities
San Juan is a secondary airport that connects you to over 70 cities! Popular routes include connections to major cities in the US and other Caribbean islands, making it a great option for island hopping.
SJU Airport Deal Stats
Current most discounted routes
Avg. most discounted routes (last 3 months)
SJU airport insights
Best days to catch a deal
Tue, Fri
Based on the provided data, the best days to find flight deals for Luis Muñoz Marín International Airport are Monday and Sunday. Wednesday also shows a low count, indicating it may also offer good deals.
Avg. deal survival time
16.1 hours
Deals from Luis Muñoz Marín International Airport survive an average of 16.1 hours. This means that travelers need to act fast to secure the best prices.
Rare deal frequency
16 deals
We've identified 16 rare flight deals for Luis Muñoz Marín International Airport in the last month, all achieving an AI Deal Score of 90 or higher. These rare deals typically include mistake fares, special promotions, or ultra-discounts that offer exceptional value.
Average price drop
-67%
On average, flights to Luis Muñoz Marín International experience a price drop of 66.8%. This means you could potentially save a significant amount by monitoring prices and booking at the right time.
Next 4 weeks: deal forecast
Price Forecast for Luis Muñoz Marín International Airport
Based on current trends, airfares to Luis Muñoz Marín International Airport are expected to remain stable next month. There are no significant price drops or increases forecasted at this time.
Top 5 biggest price drops (last 3 months)
Found on March 27
San Salvador de Jujuy - SJU
$5,925 → $439
93%
Found on March 28
Santa Fe - SJU
$5,450 → $436
92%
Found on March 29
Mexico City - SJU
$5,175 → $557
89%
Found on March 29
Punta Arenas - SJU
$2,425 → $388
84%
Found on March 27
Little Cayman - SJU
$3,575 → $667
81%
Check these nearby airports too
Looking for more options? These airports near SJU sometimes drop rare deals too:
Mercedita (PSE)
~13 rare deals/month
Antonio Rivera Rodríguez (VQS)
~14 rare deals/month
If you’re flexible with departure cities, it’s worth keeping an eye on nearby airports — especially PSE and VQS for long-haul deal surprises.
When Is the Best Time to Fly from United States to Luis Muñoz Marín International
Timing is everything when hunting for cheap flights. Here are data-backed insights on the best times to fly to Luis Muñoz Marín International:
Cheapest month
September
Cheapest month
Looking for a budget-friendly getaway? September is your golden ticket to San Juan! The crowds thin out after the summer rush, and the weather remains delightfully warm. Plus, you'll find amazing deals on flights and accommodations, leaving you with more to spend on mofongo and piña coladas.
Best day to book
Tuesday
Best day to book
Unlock the best flight deals by booking on Tuesdays! Airlines often release new fares early in the week, and you can snag some serious savings. Keep an eye out for flash sales and limited-time offers to maximize your travel budget.
Cheapest days to fly
Wednesday
Cheapest days to fly
Fly smarter, not harder! Wednesdays are typically the cheapest days to hop on a flight to San Juan. Enjoy fewer crowds at the airport and more room to stretch out on the plane while saving money for your adventures in Puerto Rico.
Advance booking sweet spot
2 Months
Advance booking sweet spot
For San Juan, aim to book about two months in advance. This timeframe often strikes the perfect balance between availability and affordability. Booking within this sweet spot increases your chances of securing the best prices before they start to climb closer to your travel dates.
Luis Muñoz Marín International Airports & Ground Transportation
One big question for travelers is which Luis Muñoz Marín International airport to fly into. Here’s a quick guide to Luis Muñoz Marín International’s airports and how to get to the city from each:
Luis Muñoz Marín International Airport (SJU)
Welcome to sunny San Juan! Luis Muñoz Marín International Airport (SJU) is your gateway to Puerto Rico's vibrant capital. As the busiest airport in the Caribbean, SJU offers a wide array of amenities, including duty-free shopping, diverse dining options, and convenient lounges to relax before your flight. Located just a few miles from downtown San Juan, the airport provides easy access to the city's hotels, historical sites, and stunning beaches. Getting to the city center is a breeze with readily available taxis, ride-sharing services, and public buses. Consider taking an Uber or a taxi, it is the easiest way to get to your hotel!
Tip: Arrive early to navigate the crowds, especially during peak travel seasons.
Other airports
While San Juan is the star of the show, sometimes nearby airports can offer better deals or flight options! Consider flying into Rafael Hernández Airport (BQN) in Aguadilla or Mercedita International Airport (PSE) in Ponce. Just remember, these airports are a bit of a trek to San Juan, so factor in transportation costs like rental cars or shuttle services, which can add to your travel budget, however, flights can be cheaper!
What to Do in San Juan
San Juan isn’t just about getting there – it’s about enjoying the country once you arrive! Here are some top things to do in San Juan, organized by interest:
Sightseeing & landmarks
San Juan is steeped in history! Explore the awe-inspiring Castillo San Felipe del Morro, wander through the colorful streets of Old San Juan, and soak up the city's rich heritage. Don't forget to snap a selfie with the iconic city walls!
Arts & culture
Immerse yourself in San Juan's vibrant arts scene! Visit the Museo de Arte de Puerto Rico to admire masterpieces, catch a live performance at the Centro de Bellas Artes, or explore the local galleries showcasing talented artists. The city's cultural tapestry will captivate you.
Food & nightlife
Get ready to tantalize your taste buds! San Juan's culinary scene is a delightful fusion of flavors. From savoring authentic mofongo to sipping on expertly crafted cocktails, your evenings will be filled with delight. The nightlife is just as enticing, with vibrant bars and clubs to dance the night away.
Shopping & fashion
Indulge in some retail therapy in San Juan! From luxury boutiques to local artisan shops, you'll find unique treasures to take home. Explore the stylish Condado district for high-end fashion or wander through Old San Juan for handcrafted souvenirs.
Nearby getaways
Escape the city and discover Puerto Rico's natural beauty! Take a day trip to El Yunque National Forest to hike through lush rainforest, relax on the pristine beaches of Luquillo, or explore the bioluminescent bay of Fajardo. Adventure awaits just beyond San Juan!
Events in San Juan This Month
boiler house x velocity collective
Velocity Collective returns to San Juan, joining forces once again to present @biia, one of the fastest rising names in the global music scene. Get ready for an unforgettable night of music and collaboration.
San Juan Weather
Weather in San Juan
Thu, Apr 2
35%
26° 23°
35%
Fri, Apr 3
Frequently Asked Questions About Flights to Luis Muñoz Marín International
Pro Tips for Finding Cheap Flights to Luis Muñoz Marín International
Finally, to wrap up, here’s a cheat sheet of pro tips that experienced travelers use to save on Luis Muñoz Marín International flights:
Fly During Off-Peak Seasons: Snag cheaper flights to San Juan by traveling during the off-season, like late spring or early fall. You'll dodge the tourist crowds and inflated prices – win-win!
Be Flexible with Your Dates: Got a little wiggle room in your schedule? Play around with different travel dates! Mid-week flights (Tuesday and Wednesday) are often lighter on your wallet than weekend getaways.
