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San Juan

$129+ 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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SJU
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to San Juan are usually found in October or February, booked 24 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap flight deals from Las Vegas to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2025.

Round-trip from

$276
(Frontier)

One-way from

$129
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$295
From Las Vegas Harry Reid Intl to San Juan
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One-way flight from Las Vegas Harry Reid Intl to San Juan
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Highest demand for flights based on searches. 4% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 30, 2025.

This Frontier deal was found by Cheapflights users on 10/28. 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.
Wed 11/1212:41 amLAS - SJU
2 stops13h 13mFrontier
Sat 11/2210:28 pmSJU - LAS
1 stop15h 45mFrontier
Deal found 10/28$276
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Fri 12/128:47 amLAS - SJU
2 stops23h 39mMultiple Airlines
Sun 12/217:33 pmSJU - LAS
1 stop18h 09mMultiple Airlines
Deal found 10/28$277
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:02 pmLAS - SJU
1 stop23h 52mFrontier
Sat 11/159:00 amSJU - LAS
1 stop29h 31mFrontier
Deal found 10/29$283
This Frontier deal was found by Cheapflights users on 10/29. 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.
Tue 11/1811:02 pmLAS - SJU
2 stops14h 52mFrontier
Sun 11/233:59 amSJU - LAS
1 stop10h 14mFrontier
Deal found 10/29$284
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Fri 11/2110:14 pmLAS - SJU
1 stop14h 14mFrontier
Sun 11/237:11 amSJU - LAS
1 stop31h 24mFrontier
Deal found 10/29$285
This Frontier deal was found by Cheapflights users on 10/29. 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.
Fri 12/59:34 pmLAS - SJU
1 stop16h 49mFrontier
Sat 12/63:55 amSJU - LAS
1 stop9h 48mFrontier
Deal found 10/29$286
This Frontier deal was found by Cheapflights users on 10/28. 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.
Fri 11/1410:29 pmLAS - SJU
1 stop15h 25mFrontier
Wed 11/193:59 amSJU - LAS
2 stops16h 11mFrontier
Deal found 10/28$288
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sat 12/610:58 pmLAS - SJU
2 stops30h 39mMultiple Airlines
Tue 12/96:00 amSJU - LAS
1 stop15h 18mMultiple Airlines
Deal found 10/29$289
This Frontier deal was found by Cheapflights users on 10/29. 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.
Tue 12/29:34 pmLAS - SJU
1 stop16h 49mFrontier
Sat 12/133:55 amSJU - LAS
1 stop9h 48mFrontier
Deal found 10/29$290
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Fri 11/2111:00 pmLAS - SJU
1 stop23h 54mMultiple Airlines
Mon 11/245:19 pmSJU - LAS
1 stop33h 10mMultiple Airlines
Deal found 10/28$292

Cheapflights Fare Finder

 
Customize your flight search to find flights from Las Vegas 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 October 30, 2025.
Use the filters below to find and compare flights from Las Vegas to San Juan that are best for you.

Fly from

Las Vegas

Fly to

San Juan

Route

Depart

Return

Price

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Tue 1/27

10:40 am-12:35 am

2 stops9h 55m

San Juan Luis Munoz Marin Intl

Wed 2/4

10:20 am-6:50 pm

2 stops12h 30m

$295

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Wed 12/10

6:25 am-11:20 pm

1 stop12h 55m

San Juan Luis Munoz Marin Intl

Fri 1/16

6:10 am-2:45 pm

2 stops12h 35m

$329

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Thu 11/27

12:59 am-11:55 pm

1 stop18h 56m

San Juan Luis Munoz Marin Intl

Sun 12/14

1:27 pm-11:46 pm

1 stop14h 19m

$334

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Wed 2/18

7:00 am-10:16 pm

1 stop11h 16m

San Juan Luis Munoz Marin Intl

Mon 2/23

5:23 pm-11:34 pm

1 stop10h 11m

$361

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Tue 3/3

8:41 am-10:22 pm

1 stop9h 41m

San Juan Luis Munoz Marin Intl

Wed 3/4

8:35 am-5:54 pm

1 stop13h 19m

$380

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Fri 2/27

3:25 pm-6:11 am

1 stop10h 46m

San Juan Luis Munoz Marin Intl

Sun 3/8

1:25 pm-8:31 pm

1 stop10h 06m

$385

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Sat 1/17

7:42 pm-4:36 pm

2 stops16h 54m

San Juan Luis Munoz Marin Intl

Tue 1/27

2:05 am-12:53 pm

2 stops14h 48m

$385

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Sat 4/25

6:00 am-8:38 pm

2 stops11h 38m

San Juan Luis Munoz Marin Intl

Fri 5/1

1:05 am-11:04 am

2 stops12h 59m

$385

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Fri 1/2

12:59 am-12:33 am

1 stop19h 34m

San Juan Luis Munoz Marin Intl

Thu 1/8

6:59 pm-8:27 pm

2 stops29h 28m

$395

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Tue 1/6

10:58 pm-10:17 am

1 stop31h 19m

$136

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 19 results
1
2

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?

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 October 24, 2025.

Booking 24 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, October is the cheapest month in which you can book a flight from Las Vegas to San Juan (average of $135). Flying from Las Vegas to San Juan in August is currently the most expensive (average of $299). 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?

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 October 30, 2025.

It’s optimal to fly from Las Vegas to San Juan in the afternoon. By choosing this option you can save up to 49% on the cost of your flight, compared to a flight in the morning.

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.

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.

How much does it cost to fly round-trip from Las Vegas to San Juan?

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 October 30, 2025.
Read through reviews of airlines operating flights from Las Vegas to San Juan, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,035 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Spirit Airlines
6.3
Okay
8,116 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Frontier
5.8
Fair
3,122 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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?

    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.

  • How long is the flight from Las Vegas to San Juan?

    Airlines like Southwest, JetBlue, and United Airlines fly from Las Vegas to San Juan in about 9h 41m. The time it takes to get you to your destination can typically vary by up to 1h 35m. Airlines will cover a distance of 3214 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on Frontier is currently your cheapest option to San Juan, with prices starting at $139. Additional round-trip tickets that might be worth considering are offered by United Airlines and Spirit Airlines, with the lowest prices starting at $220 and $239, respectively. These flights start at 66% lower than the current average price 3 months from now.

  • 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, October is the cheapest month in which you can book a flight from Las Vegas to San Juan (average of $135). Flying from Las Vegas to San Juan in August is currently the most expensive (average of $299). 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

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Alternative routes for Las Vegas to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
Las Vegas to Luis Munoz Marin Intl flights
Reno to Luis Munoz Marin Intl flights
Las Vegas to Ponce flights
Las Vegas to Culebra flights
Las Vegas to Aguadilla flights
Reno to Aguadilla flights

Top 7 airlines flying from Las Vegas to San Juan

Discover the top 7 airlines that operate flights from Las Vegas 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$139Average$267FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$220Average$436FlexibilityNo cancel feeOn-time69%
Spirit AirlinesCheapest$239Average$368FlexibilityNo cancel feeOn-time65%
DeltaCheapest$272Average$548FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$300Average$540FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$340Average$563FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$354Average$494FlexibilityNo cancel feeOn-time62%

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