Luis Munoz Marin Intl

$88+ Cheap flights from Detroit Metropolitan Wayne County Airport (DTW) 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — SJU
Jul 29 — Aug 51
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Find cheap flights from Detroit 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”

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Cheapflights Tip: The best prices from Detroit Metropolitan Wayne County to San Juan Luis Munoz Marin Intl are usually found in September or August, booked 2 days in advance, depart on a Monday or Tuesday and return on a Thursday

Cheap flight deals from Detroit to Luis Munoz Marin Intl

Cheapest flights from Detroit to Luis Munoz Marin Intl
Explore the most affordable flight options available from Detroit to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 29, 2026.

This deal was found by Cheapflights users on 6/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:50 pm
DTW
-
SJU
1 stop9h 34m
Frontier
Mon 9/213:00 am
SJU
-
DTW
1 stop8h 54m
Frontier
Deal found 6/24$332
This deal was found by Cheapflights users on 6/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:50 pm
DTW
-
SJU
1 stop9h 34m
Frontier
Wed 9/161:59 am
SJU
-
DTW
1 stop8h 05m
Frontier
Deal found 6/24$334
This deal was found by Cheapflights users on 6/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:50 pm
DTW
-
SJU
1 stop9h 34m
Frontier
Wed 9/236:05 am
SJU
-
DTW
1 stop11h 34m
Frontier
Deal found 6/24$336
This deal was found by Cheapflights users on 6/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/91:50 pm
DTW
-
SJU
1 stop9h 34m
Frontier
Mon 9/213:00 am
SJU
-
DTW
1 stop8h 54m
Frontier
Deal found 6/24$337
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:34 pm
DTW
-
SJU
1 stop30h 07m
Frontier
Fri 8/146:26 am
SJU
-
DTW
2 stops18h 14m
Frontier
Deal found 6/24$338
This deal was found by Cheapflights users on 6/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/91:50 pm
DTW
-
SJU
1 stop9h 34m
Frontier
Wed 9/236:05 am
SJU
-
DTW
1 stop11h 34m
Frontier
Deal found 6/24$339
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/232:56 pm
DTW
-
SJU
2 stops47h 04m
Frontier
Tue 7/288:37 pm
SJU
-
DTW
1 stop15h 18m
Frontier
Deal found 6/24$340
This deal was found by Cheapflights users on 6/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:10 am
DTW
-
SJU
1 stop8h 06m
Frontier
Sun 9/201:59 am
SJU
-
DTW
1 stop8h 05m
Frontier
Deal found 6/24$341
This deal was found by Cheapflights users on 6/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:10 am
DTW
-
SJU
1 stop8h 06m
Frontier
Wed 9/161:59 am
SJU
-
DTW
1 stop8h 05m
Frontier
Deal found 6/24$342
This CheapOair deal was found by Cheapflights users on 6/28. 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 9/156:50 am
DTW
-
SJU
1 stop8h 35m
Multiple Airlines
Wed 9/239:30 am
SJU
-
DTW
2 stops14h 25m
Multiple Airlines
Deal found 6/28$343
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:00 am
DTW
-
SJU
1 stop12h 38m
Frontier
Sun 10/182:58 am
SJU
-
DTW
1 stop15h 07m
Frontier
Deal found 6/24$344
This deal was found by Cheapflights users on 6/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/101:50 pm
DTW
-
SJU
1 stop9h 34m
Frontier
Thu 9/173:00 am
SJU
-
DTW
1 stop8h 54m
Frontier
Deal found 6/24$345

Find flight deals from Detroit to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTW) 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 June 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$332

One-way from

$88
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$542

Good round-trip deal

$662 or less
Provider with most accurate pricing for Detroit Metropolitan Wayne County-San Juan Luis Munoz Marin Intl flight deals.
Provider most trusted by Cheapflights users for Detroit Metropolitan Wayne County-San Juan Luis Munoz Marin Intl flights.
From Detroit Metropolitan Wayne County to San Juan Luis Munoz Marin Intl
One-way flight from Detroit Metropolitan Wayne County to San Juan Luis Munoz Marin Intl
Highest demand for flights based on searches. 9% potential increase in price ($42 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Detroit Metropolitan Wayne County to San Juan Luis Munoz Marin Intl.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit 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 June 29, 2026.
Use the filters below to find and compare flights from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Thu 12/3

3:55 pm-11:20 pm

1 stop6h 25m

San Juan Luis Munoz Marin Intl

Mon 12/7

6:15 am-3:15 pm

2 stops10h 00m

$438

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Fri 10/16

3:15 pm-12:05 am

2 stops8h 50m

San Juan Luis Munoz Marin Intl

Sun 10/18

1:05 pm-12:30 am

2 stops11h 25m

$480

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 11/14

5:30 am-1:50 pm

1 stop7h 20m

San Juan Luis Munoz Marin Intl

Sat 11/21

3:30 pm-11:05 pm

1 stop8h 35m

$485

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sun 12/6

8:30 am-5:25 pm

1 stop7h 55m

San Juan Luis Munoz Marin Intl

Tue 12/15

3:10 pm-6:59 pm

Nonstop4h 49m

$502

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 10/12

10:55 am-8:55 pm

2 stops10h 00m

San Juan Luis Munoz Marin Intl

Fri 10/16

12:00 pm-10:15 pm

2 stops10h 15m

$516

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Fri 11/20

7:00 am-5:20 pm

1 stop9h 20m

San Juan Luis Munoz Marin Intl

Tue 11/24

1:55 pm-12:44 am

1 stop11h 49m

$531

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 8/24

9:25 am-4:38 pm

1 stop7h 13m

San Juan Luis Munoz Marin Intl

Sat 8/29

2:31 pm-7:14 pm

Nonstop4h 43m

$577
Quickest round-trip

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 9/19

8:40 am-1:14 pm

Nonstop4h 34m

San Juan Luis Munoz Marin Intl

Sat 9/26

3:10 pm-7:48 pm

Nonstop4h 38m

$592

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Fri 9/11

6:20 am-1:47 pm

1 stop7h 27m

San Juan Luis Munoz Marin Intl

Sat 9/19

3:10 pm-7:48 pm

Nonstop4h 38m

$602

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Fri 12/4

8:36 am-2:00 pm

Nonstop4h 24m

San Juan Luis Munoz Marin Intl

Fri 12/11

3:10 pm-6:59 pm

Nonstop4h 49m

$617

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 23 resultsSorted by cheapest first
1
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Compare providers for flights from Detroit 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 Detroit to Luis Munoz Marin Intl in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 Detroit Metropolitan Wayne County Airport-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 Detroit Metropolitan Wayne County Airport-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 Detroit Metropolitan Wayne County Airport-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 Detroit Metropolitan Wayne County Airport-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 Detroit Metropolitan Wayne County Airport-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 Detroit to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Detroit 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 Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport

How far ahead should I book a flight from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport?

The best time to book flights from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport is 1 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport (average of $237). Flying from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $583). 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 DTW to SJU?

Find hourly flight availability from Detroit 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 June 29, 2026.

When flying from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Detroit Metropolitan Wayne County Airport 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 June 29, 2026.
Read through reviews of airlines operating flights from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport, such as Southwest,Delta, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Boarding

8.1

Food

7.0

Comfort

8.0

Overall

7.9

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Related info for your journey

Find useful and relevant information for your journey from Detroit 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 Detroit to San Juan Luis Munoz Marin Intl?

    For a flight from Detroit to San Juan Luis Munoz Marin Intl, you will be flying from Detroit Metropolitan Wayne County. Detroit Metropolitan Wayne County (DTW) is just 17.3 mi from the center of the city. Detroit Metropolitan Wayne County is the only Detroit airport and it handles 2 outbound flights to San Juan Luis Munoz Marin Intl per day. 6 airlines have flights to San Juan Luis Munoz Marin Intl from Detroit Metropolitan Wayne County on a regular basis.

  • How long is the flight from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport?

    Departing from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport will take you 7h 55m. Airlines will cover a distance of 1932 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport round-trip?

    Cheapflights users have booked flights from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport round-trip from $168. Other airlines that can offer you cheap pricing are Delta, from $196, and JetBlue, from $211. Frontier is 58% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $84. However, be on the lookout for offers from JetBlue and Delta, as they are both options that can get you from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport for a low price.

  • What are the cheapest flights from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport?

    While on average a flight from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport is generally $772, our data shows the cheapest flight currently is $507. When looking at the most popular route, (Detroit Metropolitan Wayne County - San Juan Luis Munoz Marin Intl), you can expect to pay $273 for that flight.

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

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

  • How can I find direct flights from Detroit 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 Detroit to Luis Munoz Marin Intl.

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

    Yes. Cheapflights offers flight deals from Detroit 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 Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport (average of $237). Flying from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $583). 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 6 airlines flying from Detroit to Luis Munoz Marin Intl

Discover the top 6 airlines that operate flights from Detroit 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 June 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$168Average$355FlexibilityNo cancel feeOn-time62%
DeltaCheapest$196Average$597FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$211Average$362FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$266Average$545FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$329Average$608FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$394Average$516FlexibilityNo cancel feeOn-time63%

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