$129 Cheap Flights from Las Vegas (LAS) to San Juan (SJU)

View $129 flight on Wed, Dec 3, 2025Opens in a new window

Popular airlines from Harry Reid Intl. Airport (LAS) to Luis Munoz Marin Intl. Airport (SJU)

Cheap Flights from Las Vegas to San Juan (LAS-SJU)

Prices were available within the past 7 days and start at $129 for one-way flights and $264 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Thu, Nov 6 - Thu, Nov 13
LAS
Las Vegas
SJU
San Juan
$264 Roundtrip, just found
$264
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, Nov 6 from Las Vegas to San Juan, returning Thu, Nov 13, priced at $264 just found
Spirit Airlines
Thu, Nov 6 - Sat, Nov 15
LAS
Las Vegas
SJU
San Juan
$268 Roundtrip, found 17 hours ago
$268
Roundtrip
found 17 hours ago
Select Spirit Airlines flight, departing Thu, Nov 6 from Las Vegas to San Juan, returning Sat, Nov 15, priced at $268 found 17 hours ago
Spirit Airlines
Thu, Dec 4 - Mon, Dec 8
LAS
Las Vegas
SJU
San Juan
$269 Roundtrip, found 10 hours ago
$269
Roundtrip
found 10 hours ago
Select Spirit Airlines flight, departing Thu, Dec 4 from Las Vegas to San Juan, returning Mon, Dec 8, priced at $269 found 10 hours ago
Spirit Airlines
Thu, Nov 6 - Mon, Nov 10
LAS
Las Vegas
SJU
San Juan
$270 Roundtrip, found 9 hours ago
$270
Roundtrip
found 9 hours ago
Select Spirit Airlines flight, departing Thu, Nov 6 from Las Vegas to San Juan, returning Mon, Nov 10, priced at $270 found 9 hours ago
Spirit Airlines
Thu, Nov 13 - Sat, Nov 15
LAS
Las Vegas
SJU
San Juan
$272 Roundtrip, found 6 days ago
$272
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Thu, Nov 13 from Las Vegas to San Juan, returning Sat, Nov 15, priced at $272 found 6 days ago
Spirit Airlines
Thu, Nov 6 - Mon, Nov 10
LAS
Las Vegas
SJU
San Juan
$273 Roundtrip, found 9 hours ago
$273
Roundtrip
found 9 hours ago
Select Spirit Airlines flight, departing Thu, Nov 6 from Las Vegas to San Juan, returning Mon, Nov 10, priced at $273 found 9 hours ago
Frontier Airlines
Thu, Oct 30 - Sat, Nov 8
LAS
Las Vegas
SJU
San Juan
$281 Roundtrip, found 21 hours ago
$281
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Thu, Oct 30 from Las Vegas to San Juan, returning Sat, Nov 8, priced at $281 found 21 hours ago
American Airlines
Sat, Jan 31 - Wed, Feb 11
LAS
Las Vegas
SJU
San Juan
$285 Roundtrip, found 16 hours ago
$285
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Sat, Jan 31 from Las Vegas to San Juan, returning Wed, Feb 11, priced at $285 found 16 hours ago
Delta
Tue, Oct 28 - Wed, Oct 29
LAS
Las Vegas
SJU
San Juan
$290 Roundtrip, just found
$290
Roundtrip
just found
Select Delta flight, departing Tue, Oct 28 from Las Vegas to San Juan, returning Wed, Oct 29, priced at $290 just found
United
Tue, Oct 28 - Wed, Oct 29
LAS
Las Vegas
SJU
San Juan
$290 Roundtrip, found 13 hours ago
$290
Roundtrip
found 13 hours ago
Select United flight, departing Tue, Oct 28 from Las Vegas to San Juan, returning Wed, Oct 29, priced at $290 found 13 hours ago

Find the cheapest month to fly from Las Vegas (LAS) to San Juan (SJU)

February is typically the cheapest month to fly

From $147 - $435 per traveler.

Frequently asked questions

How much does a flight from Harry Reid Intl. Airport (LAS) to Luis Munoz Marin Intl. Airport (SJU) cost?
Get a cheap one-way flight from $129 or cheap return flight from $264 from Harry Reid Intl. Airport (LAS) to Luis Munoz Marin Intl. Airport (SJU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Harry Reid Intl. Airport (LAS) to Luis Munoz Marin Intl. Airport (SJU)?
November is the cheapest month to fly from LAS to SJU. Traveling during quieter months is often the key to landing a great deal.
What is the cheapest airline that flies from Harry Reid Intl. Airport (LAS) to Luis Munoz Marin Intl. Airport (SJU)?
To find the cheapest airline flying from LAS to SJU, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Harry Reid Intl. Airport (LAS) to Luis Munoz Marin Intl. Airport (SJU)?
You'll have to catch a flight with a layover when traveling from Harry Reid Intl. Airport (LAS) to Luis Munoz Marin Intl. Airport (SJU). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from LAS to SJU?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to Luis Munoz Marin Intl. Airport (SJU)?
Select a flight from Harry Reid Intl. Airport (LAS) to Luis Munoz Marin Intl. Airport (SJU) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Harry Reid Intl. Airport (LAS) to Luis Munoz Marin Intl. Airport (SJU) last-minute?
Holding off until right before your break to book a flight from LAS to SJU often results in higher prices. Although you may find some last-minute offers, there's no guarantee. Allow some flexibility in your schedule to boost your chances of getting a bargain.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to Luis Munoz Marin Intl. Airport (SJU)?
If you booked your LAS to SJU flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Travel information

Origin airport
Harry Reid Intl.
Destination airport
Luis Munoz Marin Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$264
Distance
3215 mi

Book with confidence

Book with confidence

Las Vegas to San Juan Flights

The cheapest times to fly from Las Vegas to San Juan

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Las Vegas to San Juan are during the month of November. You can find some of the cheapest flights from Las Vegas to San Juan with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Las Vegas to San Juan

Sunday is one of the best days to book for cheap flights from Las Vegas to San Juan: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Las Vegas to San Juan

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Las Vegas to San Juan in 2025. You can also book with separate airlines for your outbound and return journeys, from $129 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Las Vegas to San Juan flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Las Vegas to San Juan airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Las Vegas to San Juan Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.