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Luis Munoz Marin Intl

$98+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — SJU
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
1 adult, Economy
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Cheap 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 March 24, 2026.

This CheapOair deal was found by Cheapflights users on 3/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:59 pm
SLC
-
SJU
1 stop26h 02m
Frontier
Sun 4/263:21 am
SJU
-
SLC
1 stop19h 13m
Frontier
Deal found 3/23$301
This CheapOair deal was found by Cheapflights users on 3/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:14 am
SLC
-
SJU
1 stop23h 54m
Frontier
Mon 5/116:09 pm
SJU
-
SLC
1 stop29h 50m
Frontier
Deal found 3/20$303
This Frontier deal was found by Cheapflights users on 3/23. 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 4/279:59 pm
SLC
-
SJU
1 stop9h 55m
Frontier
Mon 5/46:30 am
SJU
-
SLC
1 stop16h 04m
Frontier
Deal found 3/23$305
This Frontier deal was found by Cheapflights users on 3/20. 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 4/179:29 pm
SLC
-
SJU
1 stop10h 25m
Frontier
Wed 4/2910:54 am
SJU
-
SLC
1 stop11h 40m
Frontier
Deal found 3/20$306
This CheapOair deal was found by Cheapflights users on 3/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:14 am
SLC
-
SJU
1 stop23h 54m
Frontier
Mon 5/113:03 am
SJU
-
SLC
1 stop20h 56m
Frontier
Deal found 3/24$313
This CheapOair deal was found by Cheapflights users on 3/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:59 pm
SLC
-
SJU
1 stop22h 49m
Frontier
Mon 4/206:30 am
SJU
-
SLC
1 stop16h 04m
Frontier
Deal found 3/22$314
This Priceline deal was found by Cheapflights users on 3/23. 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.
Wed 5/2712:14 am
SLC
-
SJU
1 stop14h 58m
Frontier
Wed 6/33:03 am
SJU
-
SLC
1 stop20h 56m
Frontier
Deal found 3/23$315
This Frontier deal was found by Cheapflights users on 3/22. 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 7/2012:49 am
SLC
-
SJU
1 stop10h 27m
Frontier
Tue 8/46:25 am
SJU
-
SLC
1 stop15h 55m
Frontier
Deal found 3/22$321
This CheapOair deal was found by Cheapflights users on 3/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:59 pm
SLC
-
SJU
1 stop26h 02m
Frontier
Mon 4/206:30 am
SJU
-
SLC
1 stop16h 04m
Frontier
Deal found 3/23$325
This CheapOair deal was found by Cheapflights users on 3/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:59 pm
SLC
-
SJU
1 stop26h 02m
Frontier
Sun 4/263:21 am
SJU
-
SLC
1 stop19h 13m
Frontier
Deal found 3/20$327
This Frontier deal was found by Cheapflights users on 3/20. 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 4/179:29 pm
SLC
-
SJU
1 stop10h 25m
Frontier
Fri 4/246:30 am
SJU
-
SLC
1 stop16h 04m
Frontier
Deal found 3/20$330
This Priceline deal was found by Cheapflights users on 3/22. 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.
Sun 4/199:59 pm
SLC
-
SJU
1 stop9h 55m
Frontier
Sun 4/266:30 am
SJU
-
SLC
1 stop16h 04m
Frontier
Deal found 3/22$334

Find 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 March 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$301
(CheapOair)

One-way from

$98
(Frontier)

Popular in

December

Cheapest in

September

Average price

$634
Provider with most accurate pricing for Salt Lake City-San Juan Luis Munoz Marin Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Salt Lake City-San Juan Luis Munoz Marin Intl flights.
Search Deals
From Salt Lake City to San Juan Luis Munoz Marin Intl
Search Deals
One-way flight from Salt Lake City to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 24, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Salt Lake CitySan Juan

SLC - SJU

SLCSJU

Salt Lake City

Fri 4/17

9:30 pm-10:25 am

2 stops10h 55m

San Juan Luis Munoz Marin Intl

Fri 4/24

2:00 pm-12:25 am

2 stops12h 25m

$504

Salt Lake CitySan Juan

SLC - SJU

SLCSJU

Salt Lake City

Mon 5/4

9:30 pm-10:35 am

2 stops11h 05m

San Juan Luis Munoz Marin Intl

Fri 5/8

5:05 am-3:45 pm

2 stops12h 40m

$529

Salt Lake CitySan Juan

SLC - SJU

SLCSJU

Salt Lake City

Tue 4/28

8:35 am-9:05 pm

2 stops10h 30m

San Juan Luis Munoz Marin Intl

Mon 5/4

6:50 am-5:05 pm

2 stops12h 15m

$618

Salt Lake CitySan Juan

SLC - SJU

SLCSJU

Salt Lake City

Mon 5/4

7:15 am-8:00 pm

2 stops10h 45m

San Juan Luis Munoz Marin Intl

Sat 5/9

9:40 am-7:40 pm

2 stops12h 00m

$640

Salt Lake CitySan Juan

SLC - SJU

SLCSJU

Salt Lake City

Mon 5/4

11:50 pm-1:29 pm

1 stop11h 39m

San Juan Luis Munoz Marin Intl

Fri 5/8

12:00 pm-10:54 pm

1 stop12h 54m

$652
Quickest round-trip

Salt Lake CitySan Juan

SLC - SJU

SLCSJU

Salt Lake City

Thu 5/21

9:30 pm-9:10 am

2 stops9h 40m

San Juan Luis Munoz Marin Intl

Wed 5/27

11:25 am-9:55 pm

2 stops12h 30m

$678

Salt Lake CitySan Juan

SLC - SJU

SLCSJU

Salt Lake City

Thu 5/28

9:30 pm-9:10 am

2 stops9h 40m

San Juan Luis Munoz Marin Intl

Sat 6/6

7:00 am-6:35 pm

2 stops13h 35m

$678

Salt Lake CitySan Juan

SLC - SJU

SLCSJU

Salt Lake City

Fri 3/27

10:35 am-11:35 pm

2 stops11h 00m

San Juan Luis Munoz Marin Intl

Fri 4/3

5:30 am-5:10 pm

2 stops13h 40m

$794

Salt Lake CitySan Juan

SLC - SJU

SLCSJU

Salt Lake City

Mon 4/13

7:00 am-3:42 pm

1 stop30h 42m

San Juan Luis Munoz Marin Intl

Thu 4/16

7:00 am-10:30 pm

1 stop17h 30m

$802

Salt Lake CitySan Juan

SLC - SJU

SLCSJU

Salt Lake City

Mon 5/4

4:32 pm-2:44 pm

2 stops20h 12m

San Juan Luis Munoz Marin Intl

Fri 5/8

7:20 am-1:24 pm

2 stops32h 04m

$843

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Salt Lake City to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Salt Lake City to Luis Munoz Marin Intl in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Salt Lake City-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Salt Lake City-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Salt Lake City-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Salt Lake City-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Salt Lake City-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 March 13, 2026.

Booking 56 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 $195). Flying from Salt Lake City to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $410). 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.

How much does it cost to fly round-trip from Salt Lake City to San Juan Luis Munoz Marin Intl Airport?

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 March 24, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andJetBlue 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.
Southwest
8.0
Very good
4,331 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Southwest
8.0
Very good
4,331 reviews
Southwest
8.0
Very good
4,331 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
United Airlines
7.4
Good
9,475 reviews
Southwest
8.0
Very good
4,331 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
JetBlue
7.2
Good
2,906 reviews
Southwest
8.0
Very good
4,331 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
American Airlines
7.1
Good
11,492 reviews
Southwest
8.0
Very good
4,331 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Frontier
5.7
Fair
3,017 reviews
Southwest
8.0
Very good
4,331 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

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 $504, Southwest can have you in San Juan Luis Munoz Marin Intl Airport from Salt Lake City in 10h 55m. 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 $134, Spirit Airlines will fly you from Salt Lake City to San Juan Luis Munoz Marin Intl Airport and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and JetBlue - these airlines can fly you to your destination from $203 and $293, respectively. Spirit Airlines is 75% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Salt Lake City to San Juan Luis Munoz Marin Intl Airport one-way?

    The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $147. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Salt Lake City to San Juan Luis Munoz Marin Intl Airport for a low price.

  • 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 $195). Flying from Salt Lake City to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $410). 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
Fajardo
Luquillo
Rio Grande
Dorado
Humacao
Bayamón

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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 March 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$134Average$466FlexibilityNo cancel feeOn-time65%
FrontierCheapest$203Average$392FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$293Average$384FlexibilityNo cancel feeOn-time62%
DeltaCheapest$300Average$551FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$381Average$603FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$381Average$656FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$407Average$564FlexibilityNo cancel feeOn-time63%

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