What are the cheapest airlines flying from Las Vegas to San Juan round-trip?

Flying on Spirit Airlines is currently your cheapest option to San Juan, with prices starting at $244. Additional round-trip tickets that might be worth considering are offered by Frontier and Delta, with the lowest prices starting at $298 and $417, respectively. These flights start at 40% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Las Vegas to San Juan one-way?

The cheapest airlines for a one-way flight from Las Vegas to San Juan are Spirit Airlines ($113), Frontier ($149), and American Airlines ($223).

What are the most popular airlines that fly from Las Vegas to San Juan?

Consider American Airlines, JetBlue or Delta when booking your flight. These represent the most popular airlines when flying from Las Vegas to San Juan.

What is the cheapest day to fly round-trip from Las Vegas to San Juan?

Thursday flights are found to be more expensive to fly from Las Vegas to San Juan. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Juan.

How far in advance should I book a flight from Las Vegas to San Juan?

Travelers have found it’s best to book a flight 24 days in advance to save up to 60% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 24 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Las Vegas to San Juan 1-2 weeks in advance for as low as $243, or $594 for flights within the next 24 hours.

What is the cheapest month to fly from Las Vegas to San Juan?

The best pricing can be found in the month of November. Prices to San Juan from Las Vegas average $408. You can even find prices in November for less than $408, as users have found deals to San Juan from as low as $133. The month of December appears to be one of the more expensive times to travel to San Juan from Las Vegas. Flying in the targeted month can save you up to 39%.

What airport do you fly from for flights from Las Vegas to San Juan?

For a flight from Las Vegas to San Juan, you will be flying from Harry Reid Intl. Las Vegas Harry Reid Intl (LAS) is just 6.2 mi from the center of the city. Harry Reid Intl is the only Las Vegas airport and it handles 0 outbound flights to San Juan per day. 7 airlines have flights to San Juan from Las Vegas Harry Reid Intl on a regular basis.

Can I find deals for flights from Las Vegas to San Juan that include hotel bookings?

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

How can I find direct flights from Las Vegas to San Juan?

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

Can I find deals for business class flights from Las Vegas to San Juan?

Yes. Cheapflights offers flight deals from Las Vegas 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.

$113+ Flights from Las Vegas to San Juan

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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.

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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to San Juan are usually found in November or February, booked 65 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap flight deals from Las Vegas to San Juan

Round-trip from	$244 (Cheapflightsfares)
One-way from	$113 (Cheapflightsfares)
Popular in	December
Cheapest in	November
Average price	$415

From Las Vegas Harry Reid Intl to San Juan

Search Deals

One-way flight from Las Vegas Harry Reid Intl to San Juan

Search Deals

Highest demand for flights based on searches. 0% potential increase in price ($4 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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Find flight deals from Las Vegas to San Juan

Cheapest flights from Las Vegas to San Juan
Explore the most affordable flight options available from Las Vegas to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Tue 4/297:40 amLAS - SJU

1 stop9h 00mSpirit Airlines

Fri 5/212:54 amSJU - LAS

1 stop14h 35mSpirit Airlines

Deal found 4/16

$244

Thu 5/159:58 pmLAS - SJU

1 stop17h 52mMultiple Airlines

Mon 5/1912:05 amSJU - LAS

1 stop26h 35mMultiple Airlines

Deal found 4/16

$277

Fri 8/2212:45 amLAS - SJU

2 stops13h 05mDelta

Thu 8/285:55 pmSJU - LAS

1 stop9h 25mDelta

Deal found 4/16

$291

Wed 4/2310:25 amLAS - SJU

1 stop12h 17mFrontier

Sat 4/2612:05 amSJU - LAS

1 stop13h 06mFrontier

Deal found 4/16

$298

Sat 9/133:40 pmLAS - SJU

1 stop19h 39mAmerican Airlines

Tue 9/163:55 pmSJU - LAS

1 stop8h 56mAmerican Airlines

Deal found 4/17

$345

Wed 11/128:45 amLAS - SJU

2 stops11h 51mUnited Airlines

Tue 11/182:05 amSJU - LAS

2 stops12h 59mUnited Airlines

Deal found 4/16

$371

Best flights from Las Vegas to San Juan
Discover carefully curated flight deals from Las Vegas to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2025.

Tue 4/297:40 amLAS - SJU

1 stop9h 00mSpirit Airlines

Fri 5/212:54 amSJU - LAS

1 stop14h 35mSpirit Airlines

Deal found 4/16

$244

Thu 5/159:58 pmLAS - SJU

1 stop17h 52mMultiple Airlines

Mon 5/1912:05 amSJU - LAS

1 stop26h 35mMultiple Airlines

Deal found 4/16

$277

Wed 4/2310:25 amLAS - SJU

1 stop12h 17mFrontier

Sat 4/2612:05 amSJU - LAS

1 stop13h 06mFrontier

Deal found 4/16

$298

Fri 5/912:54 amLAS - SJU

2 stops15h 54mDelta

Sat 5/1712:50 pmSJU - LAS

1 stop12h 54mDelta

Deal found 4/16

$417

Thu 5/86:00 amLAS - SJU

1 stop8h 30mUnited Airlines

Tue 5/137:45 amSJU - LAS

2 stops14h 19mUnited Airlines

Deal found 4/16

$435

Fri 4/2512:59 amLAS - SJU

1 stop10h 28mAmerican Airlines

Tue 4/2911:45 amSJU - LAS

1 stop12h 34mAmerican Airlines

Deal found 4/16

$445

Last-minute flights from Las Vegas to San Juan
Discover last-minute flight deals from Las Vegas to San Juan. Data last updated April 17, 2025 and is based on user searches.

Wed 4/2310:25 amLAS - SJU

1 stop12h 17mFrontier

Sat 4/2612:05 amSJU - LAS

1 stop13h 06mFrontier

Deal found 4/16

$298

Thu 4/246:00 amLAS - SJU

2 stops14h 57mUnited Airlines

Fri 4/251:05 amSJU - LAS

2 stops16h 22mUnited Airlines

Deal found 4/15

$535

Fri 4/2512:59 amLAS - SJU

1 stop10h 28mAmerican Airlines

Tue 4/2911:45 amSJU - LAS

1 stop12h 34mAmerican Airlines

Deal found 4/16

$445

Fri 4/2512:40 amLAS - SJU

2 stops12h 47mDelta

Tue 4/296:35 amSJU - LAS

2 stops12h 49mDelta

Deal found 4/16

$615

Sat 4/265:15 amLAS - SJU

1 stop11h 25mSpirit Airlines

Tue 4/298:45 pmSJU - LAS

1 stop18h 44mSpirit Airlines

Deal found 4/16

$275

Sat 4/265:15 amLAS - SJU

1 stop11h 25mMultiple Airlines

Mon 4/2812:05 amSJU - LAS

1 stop13h 06mMultiple Airlines

Deal found 4/16

$278

Tue 4/297:40 amLAS - SJU

1 stop9h 00mSpirit Airlines

Fri 5/212:54 amSJU - LAS

1 stop14h 35mSpirit Airlines

Deal found 4/16

$244

Thu 5/86:00 amLAS - SJU

1 stop8h 30mUnited Airlines

Tue 5/137:45 amSJU - LAS

2 stops14h 19mUnited Airlines

Deal found 4/16

$435

Fri 5/912:54 amLAS - SJU

2 stops15h 54mDelta

Sat 5/177:30 amSJU - LAS

2 stops15h 32mDelta

Deal found 4/16

$417

Thu 5/159:58 pmLAS - SJU

1 stop17h 52mMultiple Airlines

Mon 5/1912:05 amSJU - LAS

1 stop26h 35mMultiple Airlines

Deal found 4/16

$277

One-way flights from Las Vegas to San Juan
Search for one-way flight options from Las Vegas to San Juan. Find affordable one-way fares based on user searches. Data last updated April 17, 2025.

Tue 4/297:40 amLAS - SJU

1 stop9h 00mSpirit Airlines

Deal found 4/16

$113

Wed 4/3011:00 pmLAS - SJU

1 stop13h 00mFrontier

Deal found 4/17

$149

Mon 4/2812:59 amLAS - SJU

1 stop10h 28mAmerican Airlines

Deal found 4/17

$223

Mon 4/2812:40 amLAS - SJU

2 stops12h 21mDelta

Deal found 4/16

$228

Mon 7/147:43 pmLAS - SJU

2 stops13h 14mUnited Airlines

Deal found 4/16

$250

Fri 4/257:12 pmLAS - SJU

2 stops15h 33mAlaska Airlines

Deal found 4/16

$595

Cheapflights Fare Finder

Use the filters below to find and compare flights from Las Vegas to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Tue 4/29

7:40 am-7:40 pm

1 stop9h 00m

San Juan Luis Munoz Marin Intl

Fri 5/2

12:54 am-12:29 pm

1 stop14h 35m

$244

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Thu 5/15

9:58 pm-6:50 pm

1 stop17h 52m

San Juan Luis Munoz Marin Intl

Mon 5/19

12:05 am-11:40 pm

1 stop26h 35m

$277

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Wed 4/23

10:25 am-1:42 am

1 stop12h 17m

San Juan Luis Munoz Marin Intl

Sat 4/26

12:05 am-10:11 am

1 stop13h 06m

$298

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Fri 5/9

12:54 am-7:48 pm

2 stops15h 54m

San Juan Luis Munoz Marin Intl

Sat 5/17

12:50 pm-10:44 pm

1 stop12h 54m

$417

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Thu 5/8

6:00 am-5:30 pm

1 stop8h 30m

San Juan Luis Munoz Marin Intl

Tue 5/13

7:45 am-7:04 pm

2 stops14h 19m

$435

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Fri 4/25

12:59 am-2:27 pm

1 stop10h 28m

San Juan Luis Munoz Marin Intl

Tue 4/29

11:45 am-9:19 pm

1 stop12h 34m

$445

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Tue 4/29

7:40 am-7:40 pm

1 stop9h 00m

$113

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Wed 4/30

11:00 pm-3:00 pm

1 stop13h 00m

$149

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Mon 4/28

12:59 am-2:27 pm

1 stop10h 28m

$223

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Mon 4/28

12:40 am-4:01 pm

2 stops12h 21m

$228

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 12 results

Best time to book a flight from Las Vegas to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Las Vegas 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.

Cheapflights Insights

Everything you need to know about your flight from Las Vegas to San Juan

How far ahead should I book a flight from Las Vegas to San Juan?

Booking 65 days in advance of your planned departure date is, on average, the best time to get cheap flights from Las Vegas to San Juan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from Las Vegas to San Juan (average of $254). Flying from Las Vegas to San Juan in December is currently the most expensive (average of $336). 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 LAS to SJU?

It’s optimal to fly from Las Vegas to San Juan in the afternoon. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Las Vegas to San Juan?

Travelers seeking maximum savings on their Las Vegas to San Juan flight should consider departing on Friday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in San Juan 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

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 a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines from Las Vegas to San Juan by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,887 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,887 reviews

Alaska Airlines

8.0

Very good

9,887 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,916 reviews

Alaska Airlines

8.0

Very good

9,887 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,667 reviews

Alaska Airlines

8.0

Very good

9,887 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,887 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Spirit Airlines

6.3

Okay

7,926 reviews

Alaska Airlines

8.0

Very good

9,887 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

What airport do you fly from for flights from Las Vegas to San Juan?
For a flight from Las Vegas to San Juan, you will be flying from Harry Reid Intl. Las Vegas Harry Reid Intl (LAS) is just 6.2 mi from the center of the city. Harry Reid Intl is the only Las Vegas airport and it handles 0 outbound flights to San Juan per day. 7 airlines have flights to San Juan from Las Vegas Harry Reid Intl on a regular basis.
What are the cheapest airlines flying from Las Vegas to San Juan round-trip?
Flying on Spirit Airlines is currently your cheapest option to San Juan, with prices starting at $244. Additional round-trip tickets that might be worth considering are offered by Frontier and Delta, with the lowest prices starting at $298 and $417, respectively. These flights start at 40% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Las Vegas to San Juan one-way?
The cheapest airlines for a one-way flight from Las Vegas to San Juan are Spirit Airlines ($113), Frontier ($149), and American Airlines ($223).
Can I find deals for flights from Las Vegas to San Juan that include hotel bookings?
Yes. In addition to deals on Las Vegas to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Las Vegas to San Juan?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to San Juan.
Can I find deals for business class flights from Las Vegas to San Juan?
Yes. Cheapflights offers flight deals from Las Vegas 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 Las Vegas to San Juan?
Currently, September is the cheapest month in which you can book a flight from Las Vegas to San Juan (average of $254). Flying from Las Vegas to San Juan in December is currently the most expensive (average of $336). 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

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Top 7 airlines flying from Las Vegas to San Juan

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$134	Average$289	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$232	Average$356	FlexibilityNo cancel fee	On-time65%
United Airlines	Cheapest$258	Average$424	FlexibilityNo cancel fee	On-time69%
JetBlue	Cheapest$315	Average$475	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$319	Average$525	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$369	Average$599	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$446	Average$589	FlexibilityNo cancel fee	On-time63%

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$113+ Cheap flights from Las Vegas (LAS) 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Las Vegas to San Juan with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to San Juan are usually found in November or February, booked 65 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap flight deals from Las Vegas to San Juan

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Las Vegas to San Juan

Cheapest flights from Las Vegas to San JuanExplore the most affordable flight options available from Las Vegas to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Explore the most affordable flight options available from Las Vegas to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Las Vegas to San Juan that are best for you.

Best time to book a flight from Las Vegas to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Las Vegas with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Las Vegas to San Juan

How far ahead should I book a flight from Las Vegas to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to San Juan. Price data was last updated on April 11, 2025.

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

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

Find hourly flight availability from Las Vegas 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 April 17, 2025.

What is the cheapest day to fly from Las Vegas to San Juan?

Use this chart to determine the cheapest time to fly round-trip from Las Vegas to San Juan. Price data was last updated on December 16, 2024.

Rainfall in San Juan by month

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

Temperature in San Juan by month

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

Reviews of airlines servicing San Juan

Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines from Las Vegas to San Juan by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Las Vegas 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 airport do you fly from for flights from Las Vegas to San Juan?

What are the cheapest airlines flying from Las Vegas to San Juan round-trip?

What are the cheapest airlines to fly from Las Vegas to San Juan one-way?

Can I find deals for flights from Las Vegas to San Juan that include hotel bookings?

How can I find direct flights from Las Vegas to San Juan?

Can I find deals for business class flights from Las Vegas to San Juan?

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

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 Las Vegas to San Juan

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Las Vegas to San Juan

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Book with Flexibility

Travel Smart

Cheapest flights from Las Vegas to San Juan
Explore the most affordable flight options available from Las Vegas to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.