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San Juan

$126+ 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SJU
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 65 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 September 15, 2025.

Round-trip from

$255
(Cheapflightsfares)

One-way from

$126
(eDestinos)

Popular in

December

Cheapest in

October

Average price

$385
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. 2% 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 September 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 September 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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.
Wed 11/512:15 amLAS - SJU
1 stop16h 29mSpirit Airlines
Sat 11/156:00 amSJU - LAS
1 stop19h 51mSpirit Airlines
Deal found 9/13$255
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Mon 12/810:35 pmLAS - SJU
1 stop12h 19mFrontier
Thu 12/113:59 pmSJU - LAS
1 stop33h 31mFrontier
Deal found 9/14$266
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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.
Fri 11/712:49 pmLAS - SJU
1 stop11h 51mSpirit Airlines
Sat 11/156:00 amSJU - LAS
1 stop19h 51mSpirit Airlines
Deal found 9/14$271
This Trip.com deal was found by Cheapflights users on 9/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/179:27 pmLAS - SJU
1 stop14h 57mFrontier
Sun 10/196:22 amSJU - LAS
1 stop30h 12mFrontier
Deal found 9/13$272
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Thu 11/66:30 amLAS - SJU
2 stops23h 22mMultiple Airlines
Sat 11/159:00 amSJU - LAS
1 stop29h 31mMultiple Airlines
Deal found 9/14$279
This Frontier deal was found by Cheapflights users on 9/13. 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 10/179:27 pmLAS - SJU
1 stop14h 57mFrontier
Sun 10/193:40 amSJU - LAS
1 stop8h 55mFrontier
Deal found 9/13$281
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 9/2611:00 pmLAS - SJU
1 stop12h 11mFrontier
Fri 10/33:39 amSJU - LAS
1 stop15h 00mFrontier
Deal found 9/14$282
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Thu 10/166:59 pmLAS - SJU
2 stops27h 45mMultiple Airlines
Tue 10/216:22 amSJU - LAS
1 stop30h 12mMultiple Airlines
Deal found 9/12$283

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 September 15, 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 11/6

12:49 pm-4:40 am

1 stop11h 51m

San Juan Luis Munoz Marin Intl

Sat 11/15

6:00 am-9:51 pm

1 stop19h 51m

$269

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Tue 1/27

8:00 am-8:55 pm

1 stop8h 55m

San Juan Luis Munoz Marin Intl

Sat 1/31

3:00 pm-9:10 pm

1 stop10h 10m

$295

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Tue 1/27

9:00 am-12:36 am

2 stops11h 36m

San Juan Luis Munoz Marin Intl

Fri 1/30

4:52 pm-11:19 pm

1 stop10h 27m

$295

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Fri 10/24

10:40 am-12:45 am

1 stop11h 05m

San Juan Luis Munoz Marin Intl

Tue 10/28

6:10 am-4:00 pm

2 stops12h 50m

$295

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Tue 1/27

5:20 am-6:25 pm

1 stop9h 05m

San Juan Luis Munoz Marin Intl

Fri 1/30

2:05 am-10:16 am

1 stop12h 11m

$295

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Tue 9/30

7:00 am-9:24 pm

1 stop11h 24m

San Juan Luis Munoz Marin Intl

Tue 10/7

1:25 pm-9:35 pm

1 stop11h 10m

$383

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Fri 2/13

7:00 am-10:04 pm

1 stop11h 04m

San Juan Luis Munoz Marin Intl

Tue 2/17

11:40 am-6:18 pm

1 stop10h 38m

$406

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Tue 3/3

7:20 am-11:30 pm

1 stop12h 10m

San Juan Luis Munoz Marin Intl

Wed 3/4

10:26 am-10:21 pm

1 stop15h 55m

$419

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

Tue 3/3

2:05 am-8:42 am

1 stop10h 37m

$424

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

Thu 11/6

12:49 pm-4:40 am

1 stop11h 51m

$141

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 17 results
1
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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 September 12, 2025.

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 June is currently the most expensive (average of $339). 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 September 15, 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.

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 September 15, 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
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,015 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.8
Fair
3,172 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 Spirit Airlines, Southwest, and United Airlines fly from Las Vegas to San Juan in about 8h 55m. The time it takes to get you to your destination can typically vary by up to 2h 56m. 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 $133. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and United Airlines, with the lowest prices starting at $230 and $248, respectively. These flights start at 67% 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, 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 June is currently the most expensive (average of $339). 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 Aguadilla flights
Las Vegas to Ponce 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$133Average$178FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$230Average$356FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$248Average$417FlexibilityNo cancel feeOn-time69%
DeltaCheapest$291Average$541FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$295Average$531FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$321Average$513FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$340Average$586FlexibilityNo cancel feeOn-time63%

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