Luis Munoz Marin Intl

$162+ Cheap flights from Salt Lake City (SLC) to Luis Munoz Marin Intl (SJU)

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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — SJU
oct. 11 — oct. 181
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Salt Lake City to Luis Munoz Marin Intl with Cheapflights

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.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Salt Lake City to San Juan Luis Munoz Marin Intl are usually found in September or January, booked 80 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Salt Lake City to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Salt Lake City (SLC) to Luis Munoz Marin Intl (SJU). 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 septiembre 11, 2025.

Round-trip from

$323
(Frontier)

One-way from

$162
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$400
From Salt Lake City to San Juan Luis Munoz Marin Intl
One-way flight from Salt Lake City to San Juan Luis Munoz Marin Intl
Highest demand for flights based on searches. 7% potential increase in price ($39 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find flight deals from Salt Lake City to Luis Munoz Marin Intl

Cheapest flights from Salt Lake City to Luis Munoz Marin Intl
Explore the most affordable flight options available from Salt Lake City to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This Frontier deal was found by Cheapflights users on 9/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/39:45 pmSLC - SJU
2 stops14h 26mFrontier
lun. 10/69:26 pmSJU - SLC
2 stops21h 13mFrontier
Deal found 9/11$323
This Frontier deal was found by Cheapflights users on 9/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/49:58 pmSLC - SJU
2 stops14h 13mFrontier
lun. 10/69:26 pmSJU - SLC
2 stops21h 13mFrontier
Deal found 9/11$331
This Frontier deal was found by Cheapflights users on 9/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/248:45 amSLC - SJU
2 stops15h 49mFrontier
mar. 9/309:26 pmSJU - SLC
2 stops21h 49mFrontier
Deal found 9/11$334
This Frontier deal was found by Cheapflights users on 9/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/269:45 pmSLC - SJU
2 stops14h 26mFrontier
mar. 9/309:26 pmSJU - SLC
2 stops21h 49mFrontier
Deal found 9/10$337
This Flysmarter deal was found by Cheapflights users on 9/9. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/2711:50 pmSLC - SJU
1 stop12h 31mJetBlue
mié. 11/512:30 pmSJU - SLC
1 stop13h 25mJetBlue
Deal found 9/9$342
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/168:55 pmSLC - SJU
1 stop28h 45mMultiple Airlines
sáb. 12/69:49 pmSJU - SLC
2 stops36h 48mMultiple Airlines
Deal found 9/10$351
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/178:59 pmSLC - SJU
1 stop17h 24mMultiple Airlines
mié. 10/226:22 amSJU - SLC
2 stops27h 10mMultiple Airlines
Deal found 9/10$354
This Frontier deal was found by Cheapflights users on 9/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/238:45 amSLC - SJU
2 stops15h 49mFrontier
lun. 9/299:26 pmSJU - SLC
2 stops21h 49mFrontier
Deal found 9/10$357
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/168:55 pmSLC - SJU
1 stop28h 45mMultiple Airlines
jue. 12/1111:05 amSJU - SLC
2 stops16h 03mMultiple Airlines
Deal found 9/10$363
This Frontier deal was found by Cheapflights users on 9/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/248:45 amSLC - SJU
2 stops15h 49mFrontier
jue. 10/24:42 pmSJU - SLC
2 stops16h 50mFrontier
Deal found 9/10$365

Cheapflights Fare Finder

 
Customize your flight search to find flights from Salt Lake City to Luis Munoz Marin Intl 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 septiembre 11, 2025.
Use the filters below to find and compare flights from Salt Lake City to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Salt Lake City

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

Salt Lake CitySan Juan

SLC - SJU

SLCSJU

Salt Lake City

mié. 9/24

8:45 am-2:34 am

2 stops15h 49m

San Juan Luis Munoz Marin Intl

mar. 9/30

9:26 pm-5:15 pm

2 stops21h 49m

$334

Salt Lake CitySan Juan

SLC - SJU

SLCSJU

Salt Lake City

lun. 10/27

9:45 am-11:50 pm

2 stops12h 05m

San Juan Luis Munoz Marin Intl

mié. 11/5

6:40 am-1:40 pm

1 stop10h 00m

$407

Salt Lake CitySan Juan

SLC - SJU

SLCSJU

Salt Lake City

lun. 11/17

11:50 pm-3:21 pm

1 stop12h 31m

San Juan Luis Munoz Marin Intl

sáb. 12/6

12:45 pm-10:55 pm

1 stop13h 10m

$424

Salt Lake CitySan Juan

SLC - SJU

SLCSJU

Salt Lake City

mar. 12/2

6:30 am-10:05 pm

2 stops12h 35m

San Juan Luis Munoz Marin Intl

mar. 12/9

6:40 am-1:40 pm

1 stop10h 00m

$441

Salt Lake CitySan Juan

SLC - SJU

SLCSJU

Salt Lake City

sáb. 11/15

5:00 am-11:15 pm

1 stop15h 15m

San Juan Luis Munoz Marin Intl

lun. 12/8

6:40 am-1:40 pm

1 stop10h 00m

$467

Salt Lake CitySan Juan

SLC - SJU

SLCSJU

Salt Lake City

mié. 9/24

11:59 pm-4:43 pm

1 stop14h 44m

San Juan Luis Munoz Marin Intl

mar. 9/30

6:00 am-9:55 pm

1 stop17h 55m

$516

Salt Lake CitySan Juan

SLC - SJU

SLCSJU

Salt Lake City

lun. 12/1

12:28 am-2:40 pm

1 stop11h 12m

San Juan Luis Munoz Marin Intl

mar. 12/9

8:30 am-5:08 pm

2 stops11h 38m

$527

Salt Lake CitySan Juan

SLC - SJU

SLCSJU

Salt Lake City

dom. 11/16

8:16 pm-6:25 pm

3 stops19h 09m

San Juan Luis Munoz Marin Intl

mar. 12/9

7:45 am-9:59 pm

2 stops17h 14m

$546

Salt Lake CitySan Juan

SLC - SJU

SLCSJU

Salt Lake City

mar. 11/18

7:00 am-6:25 pm

1 stop8h 25m

San Juan Luis Munoz Marin Intl

mié. 12/10

7:45 am-9:59 pm

2 stops17h 14m

$558

Salt Lake CitySan Juan

SLC - SJU

SLCSJU

Salt Lake City

mar. 9/30

4:25 pm-8:38 pm

1 stop26h 13m

San Juan Luis Munoz Marin Intl

vie. 10/3

2:00 pm-12:27 pm

2 stops24h 27m

$573

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 19 results
1
2

Best time to book a flight from Salt Lake City to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Salt Lake City 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 Salt Lake City to San Juan Luis Munoz Marin Intl Airport

How far ahead should I book a flight from Salt Lake City to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Salt Lake City to Luis Munoz Marin Intl. Price data was last updated on August 29, 2025.

Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from Salt Lake City to San Juan Luis Munoz Marin Intl Airport. 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 Salt Lake City to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Salt Lake City to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Salt Lake City to San Juan Luis Munoz Marin Intl Airport 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 SLC to SJU?

Find hourly flight availability from Salt Lake City to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 11, 2025.

One of the essential ways to save on airfare from Salt Lake City to San Juan Luis Munoz Marin Intl Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 32% on airfare.

What is the cheapest day to fly from Salt Lake City to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Salt Lake City to Luis Munoz Marin Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Salt Lake City to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated septiembre 11, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Salt Lake City to San Juan Luis Munoz Marin Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
8.0
Very good

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Salt Lake City to Luis Munoz Marin Intl. 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 Salt Lake City to San Juan Luis Munoz Marin Intl?

    Salt Lake City (SLC), located 5.7 mi from the city center, is the airport you fly out of when you book flights from Salt Lake City to San Juan Luis Munoz Marin Intl. 7 airlines have flights from Salt Lake City to San Juan Luis Munoz Marin Intl on a regular basis. Booking flights from Salt Lake City to San Juan Luis Munoz Marin Intl should not be difficult; the airport handles an average of 0 outbound flights to San Juan Luis Munoz Marin Intl per day.

  • How long is the flight from Salt Lake City to San Juan Luis Munoz Marin Intl Airport?

    For as low as $407, Frontier can have you in San Juan Luis Munoz Marin Intl Airport from Salt Lake City in 12h 05m. The distance between Salt Lake City and San Juan Luis Munoz Marin Intl Airport is about 3115 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Salt Lake City to San Juan Luis Munoz Marin Intl Airport round-trip?

    Currently priced at $186, Frontier will fly you from Salt Lake City to San Juan Luis Munoz Marin Intl Airport and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and JetBlue - these airlines can fly you to your destination from $257 and $266, respectively. Frontier is 64% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Salt Lake City to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Salt Lake City to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Salt Lake City to Luis Munoz Marin Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Salt Lake City to Luis Munoz Marin Intl.

  • Can I find deals for business class flights from Salt Lake City to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Salt Lake City to Luis Munoz Marin Intl 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 Salt Lake City to San Juan Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Salt Lake City to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Salt Lake City to San Juan Luis Munoz Marin Intl Airport 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

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Dorado
Fajardo
Rio Grande
Luquillo
Humacao

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.

Top 7 airlines flying from Salt Lake City to Luis Munoz Marin Intl

Discover the top 7 airlines that operate flights from Salt Lake City to Luis Munoz Marin Intl. 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$186Average$351FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$257Average$385FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$266Average$381FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$344Average$524FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$361Average$563FlexibilityNo cancel feeOn-time69%
DeltaCheapest$362Average$554FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$407Average$615FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.