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$88+ 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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — SJU
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$291
(Mytrip)

One-way from

$88
(Mytrip)

Popular in

December

Cheapest in

October

Average price

$464
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 ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/11. 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.
mar. 7/19:14 pmLAS - SJU
1 stop19h 05mSpirit Airlines
mar. 7/88:24 pmSJU - LAS
1 stop29h 43mSpirit Airlines
Deal found 6/11$291
This Priceline deal was found by Cheapflights users on 6/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/143:34 pmLAS - SJU
1 stop25h 51mFrontier
lun. 6/165:01 amSJU - LAS
1 stop16h 17mFrontier
Deal found 6/10$293
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/1110:47 pmLAS - SJU
1 stop10h 41mMultiple Airlines
lun. 7/141:37 amSJU - LAS
1 stop12h 53mMultiple Airlines
Deal found 6/11$304
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/1011:49 pmLAS - SJU
1 stop10h 56mAmerican Airlines
mar. 10/141:55 pmSJU - LAS
2 stops12h 28mAmerican Airlines
Deal found 6/12$373
This United Airlines deal was found by Cheapflights users on 6/10. 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.
vie. 7/47:25 amLAS - SJU
2 stops13h 37mUnited Airlines
mar. 7/151:10 amSJU - LAS
2 stops15h 18mUnited Airlines
Deal found 6/10$381
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/1410:55 amLAS - SJU
1 stop11h 50mJetBlue
mar. 12/161:59 amSJU - LAS
1 stop11h 46mJetBlue
Deal found 6/10$412
This Delta deal was found by Cheapflights users on 6/11. 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.
mié. 12/1012:45 amLAS - SJU
2 stops12h 25mDelta
lun. 12/223:30 pmSJU - LAS
1 stop9h 32mDelta
Deal found 6/11$433

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 junio 12, 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

mar. 7/1

9:14 pm-7:19 pm

1 stop19h 05m

San Juan Luis Munoz Marin Intl

mar. 7/8

8:24 pm-11:07 pm

1 stop29h 43m

$291

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

jue. 7/10

8:16 am-4:07 pm

1 stop28h 51m

San Juan Luis Munoz Marin Intl

jue. 7/17

5:15 pm-9:20 am

1 stop19h 05m

$293

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

vie. 7/11

10:47 pm-12:28 pm

1 stop10h 41m

San Juan Luis Munoz Marin Intl

lun. 7/14

1:37 am-11:30 am

1 stop12h 53m

$304

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

vie. 7/4

7:25 am-12:02 am

2 stops13h 37m

San Juan Luis Munoz Marin Intl

mar. 7/15

1:10 am-1:28 pm

2 stops15h 18m

$381

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

mié. 6/25

1:25 pm-9:04 pm

1 stop28h 39m

$88

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

mié. 6/18

9:48 pm-8:54 pm

1 stop20h 06m

$120

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

mar. 7/8

10:25 am-10:23 pm

1 stop8h 58m

$146

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

lun. 7/14

11:05 pm-11:57 am

1 stop9h 52m

$191

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

vie. 7/25

3:49 pm-11:32 am

3 stops40h 43m

$198

Las VegasSan Juan

LAS - SJU

LASSJU

Las Vegas Harry Reid Intl

dom. 6/22

12:53 am-9:45 pm

1 stop17h 52m

$228

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 9, 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 junio 12, 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 junio 12, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and American 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.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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
8,052 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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
6.0
Okay
3,295 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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.

  • 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 $291. Additional round-trip tickets that might be worth considering are offered by Frontier and United Airlines, with the lowest prices starting at $293 and $381, respectively. These flights start at 27% 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 ($88), Frontier ($120), and Delta ($146).

  • 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 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$133Average$175FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$226Average$346FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$258Average$421FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$302Average$513FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$308Average$482FlexibilityNo cancel feeOn-time62%
DeltaCheapest$335Average$555FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$446Average$619FlexibilityNo cancel feeOn-time63%

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