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San Juan

$109+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SJU
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 November or February, booked 23 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 March 28, 2025.

Round-trip from

$228
(Cheapflightsfares)

One-way from

$109
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$466
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. 3% potential increase in price ($12 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 March 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 March 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 4/2410:15 pmLAS - SJU
1 stop8h 49mSpirit Airlines
Thu 5/15:10 pmSJU - LAS
1 stop19h 40mSpirit Airlines
Deal found 3/27$228
This Flightnetwork deal was found by Cheapflights users on 3/26. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/109:58 pmLAS - SJU
1 stop19h 04mMultiple Airlines
Fri 5/1612:05 amSJU - LAS
1 stop13h 06mMultiple Airlines
Deal found 3/26$267
This United Airlines deal was found by Cheapflights users on 3/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1511:59 pmLAS - SJU
1 stop11h 45mUnited Airlines
Fri 9/191:05 amSJU - LAS
1 stop10h 56mUnited Airlines
Deal found 3/26$277
This Frontier deal was found by Cheapflights users on 3/27. 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.
Mon 4/711:06 pmLAS - SJU
1 stop14h 45mFrontier
Tue 4/812:59 amSJU - LAS
1 stop12h 17mFrontier
Deal found 3/27$291
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2212:59 amLAS - SJU
1 stop16h 16mAmerican Airlines
Thu 8/2812:05 pmSJU - LAS
1 stop9h 55mAmerican Airlines
Deal found 3/27$345
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/186:00 amLAS - SJU
2 stops13h 51mDelta
Fri 7/42:40 pmSJU - LAS
1 stop11h 00mDelta
Deal found 3/26$369

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 March 28, 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

Thu 4/24

10:15 pm-10:04 am

1 stop8h 49m

San Juan Luis Munoz Marin Intl

Thu 5/1

5:10 pm-9:50 am

1 stop19h 40m

$228

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Sat 5/10

9:58 pm-8:02 pm

1 stop19h 04m

San Juan Luis Munoz Marin Intl

Fri 5/16

12:05 am-10:11 am

1 stop13h 06m

$267

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Fri 5/2

6:33 am-8:28 pm

1 stop10h 55m

San Juan Luis Munoz Marin Intl

Mon 5/5

6:10 am-9:15 pm

1 stop18h 05m

$281

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Mon 4/7

11:06 pm-4:51 pm

1 stop14h 45m

San Juan Luis Munoz Marin Intl

Tue 4/8

12:59 am-10:16 am

1 stop12h 17m

$291

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Wed 6/18

6:00 am-10:51 pm

2 stops13h 51m

San Juan Luis Munoz Marin Intl

Fri 7/4

2:40 pm-10:40 pm

1 stop11h 00m

$369

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Fri 5/2

6:20 pm-12:34 pm

2 stops15h 14m

San Juan Luis Munoz Marin Intl

Tue 5/6

1:05 am-12:33 pm

2 stops14h 28m

$371

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Mon 5/12

7:17 pm-12:44 pm

1 stop14h 27m

$109

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Tue 4/8

11:06 pm-11:40 am

1 stop9h 34m

$148

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Thu 5/29

12:40 am-10:30 pm

1 stop18h 50m

$167

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Wed 4/30

6:25 am-11:15 pm

2 stops13h 50m

$185

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 12 results
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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 March 21, 2025.

Booking 23 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?

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 March 28, 2025.

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?

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.

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 March 28, 2025.
Get a feel of what it's like to fly with Southwest, 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.
Southwest
8.1
Very good
4,274 reviews

Overall

8.1

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Overall

8.1

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Overall

8.1

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,274 reviews

Overall

8.1

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,274 reviews

Overall

8.1

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Spirit Airlines
6.3
Okay
7,882 reviews
Southwest
8.1
Very good
4,274 reviews

Overall

8.1

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.

  • 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 $228. Additional round-trip tickets that might be worth considering are offered by American Airlines and Frontier, with the lowest prices starting at $281 and $291, respectively. These flights start at 42% 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 ($109), Frontier ($148), and American Airlines ($167).

  • 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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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 Aguadilla flights
Las Vegas to Culebra 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$134Average$294FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$230Average$349FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$259Average$433FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$314Average$525FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$315Average$472FlexibilityNo cancel feeOn-time62%
DeltaCheapest$415Average$601FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$438Average$607FlexibilityNo cancel feeOn-time63%
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