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Luis Munoz Marin Intl

$69+ Cheap flights from Detroit (DTT) 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SJU
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Detroit All airports to San Juan Luis Munoz Marin Intl are usually found in July or September, booked 12 days in advance, depart on a Monday or Thursday and return on a Thursday

Cheap 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 (DTT) 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

$147
(Kiwi.com)

One-way from

$69
(Kiwi.com)

Popular in

November

Cheapest in

July

Average price

$246

Good round-trip deal

$217 or less

Good one-way deal

$70 or less
From Detroit (DTT) to San Juan Luis Munoz Marin Intl
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One-way flight from Detroit (DTT) to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 6% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Detroit (DTT) to San Juan Luis Munoz Marin Intl.
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Price to beat on a one-way flight from Detroit (DTT) to San Juan Luis Munoz Marin Intl.
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Find 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 septiembre 11, 2025.

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.
sáb. 11/810:49 amDTW - SJU
Nonstop4h 34mSpirit Airlines
sáb. 11/156:00 amSJU - DTW
Nonstop4h 44mSpirit Airlines
Deal found 9/10$147
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.
lun. 11/1010:49 amDTW - SJU
Nonstop4h 34mSpirit Airlines
lun. 11/176:00 amSJU - DTW
Nonstop4h 44mSpirit Airlines
Deal found 9/10$148
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/1510:49 amDTW - SJU
Nonstop4h 34mSpirit Airlines
sáb. 11/226:00 amSJU - DTW
Nonstop4h 44mSpirit Airlines
Deal found 9/10$154
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/219:12 amDTW - SJU
Nonstop4h 31mSpirit Airlines
jue. 9/252:38 pmSJU - DTW
Nonstop4h 46mSpirit Airlines
Deal found 9/9$155
This Cheapflightsfares deal was found by Cheapflights users on 9/8. 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.
jue. 10/29:12 amDTW - SJU
Nonstop4h 31mSpirit Airlines
lun. 10/62:49 amSJU - DTW
1 stop10h 59mSpirit Airlines
Deal found 9/8$162
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/77:21 pmDTW - SJU
1 stop8h 19mSpirit Airlines
sáb. 11/156:00 amSJU - DTW
Nonstop4h 44mSpirit Airlines
Deal found 9/10$171
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/912:16 pmDTW - SJU
1 stop6h 05mSpirit Airlines
lun. 11/176:00 amSJU - DTW
Nonstop4h 44mSpirit Airlines
Deal found 9/10$172
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/259:12 amDTW - SJU
Nonstop4h 31mSpirit Airlines
lun. 9/293:19 pmSJU - DTW
1 stop7h 21mSpirit Airlines
Deal found 9/10$173
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/259:12 amDTW - SJU
Nonstop4h 31mSpirit Airlines
dom. 9/2811:59 amSJU - DTW
1 stop11h 44mSpirit Airlines
Deal found 9/10$175
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/610:49 amDTW - SJU
Nonstop4h 34mSpirit Airlines
sáb. 12/206:00 amSJU - DTW
Nonstop4h 44mSpirit Airlines
Deal found 9/10$179
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.
sáb. 11/810:49 amDTW - SJU
Nonstop4h 34mSpirit Airlines
jue. 11/201:35 pmSJU - DTW
1 stop8h 48mSpirit Airlines
Deal found 9/10$181

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 septiembre 11, 2025.
Use the filters below to find and compare flights from Detroit to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Detroit

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

mar. 11/11

8:47 am-2:10 pm

Nonstop4h 23m

San Juan Luis Munoz Marin Intl

mar. 11/18

3:20 pm-7:10 pm

Nonstop4h 50m

$190

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

dom. 11/9

2:41 pm-11:13 pm

1 stop7h 32m

San Juan Luis Munoz Marin Intl

jue. 11/20

3:20 pm-7:10 pm

Nonstop4h 50m

$195

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

lun. 11/3

8:55 am-2:12 pm

Nonstop4h 17m

San Juan Luis Munoz Marin Intl

jue. 11/6

6:43 pm-12:56 am

1 stop7h 13m

$195

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

mar. 11/11

8:47 am-2:10 pm

Nonstop4h 23m

San Juan Luis Munoz Marin Intl

mié. 11/19

7:15 am-3:07 pm

1 stop8h 52m

$195

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

dom. 11/16

8:47 am-2:10 pm

Nonstop4h 23m

San Juan Luis Munoz Marin Intl

mié. 11/19

7:15 am-3:07 pm

1 stop8h 52m

$195

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

sáb. 11/1

1:05 pm-11:45 pm

1 stop10h 40m

San Juan Luis Munoz Marin Intl

vie. 11/7

6:10 am-12:10 pm

1 stop7h 00m

$199

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

mar. 10/21

4:37 pm-11:56 pm

1 stop7h 19m

San Juan Luis Munoz Marin Intl

sáb. 10/25

7:00 am-3:04 pm

1 stop8h 04m

$199

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

sáb. 11/15

7:05 am-5:20 pm

1 stop9h 15m

San Juan Luis Munoz Marin Intl

mar. 11/18

7:15 am-3:07 pm

1 stop8h 52m

$199

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

mié. 11/12

7:05 am-5:20 pm

1 stop9h 15m

San Juan Luis Munoz Marin Intl

jue. 11/20

3:20 pm-7:10 pm

Nonstop4h 50m

$228

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

mié. 11/12

7:05 am-5:20 pm

1 stop9h 15m

San Juan Luis Munoz Marin Intl

mar. 11/18

3:20 pm-7:10 pm

Nonstop4h 50m

$228

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 18 results
1
2

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 to San Juan Luis Munoz Marin Intl Airport

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

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

Booking 12 days in advance of your planned departure date is, on average, the best time to get cheap flights from Detroit 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 Detroit to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Detroit to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Detroit 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 DTT 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 septiembre 11, 2025.

It’s optimal to fly from Detroit to San Juan Luis Munoz Marin Intl Airport in the afternoon. By choosing this option you can save up to 53% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Detroit to Luis Munoz Marin Intl. Price data was last updated on September 7, 2025.

Travelers seeking maximum savings on their Detroit to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Sunday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

What’s the top layover airport for flights from Detroit to San Juan Luis Munoz Marin Intl Airport?

Share of 1-stop round-trip flights from Detroit to San Juan Luis Munoz Marin Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Orlando (MCO) – chosen by Cheapflights users on 67% of 1-stop itineraries from Detroit to San Juan Luis Munoz Marin Intl Airport on Cheapflights.

What’s the cheapest layover airport for flights from Detroit to San Juan Luis Munoz Marin Intl Airport?

Average round-trip fare for 1-stop flights from Detroit to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Dallas (DFW) is the most affordable 1-stop option, with an average round-trip price of $204.

What’s the fastest layover option from Detroit to San Juan Luis Munoz Marin Intl Airport?

Shortest average travel time for 1-stop one-way flights from Detroit to San Juan Luis Munoz Marin Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Baltimore (BWI) have the shortest average one-way travel time for 1-stop routes: 6h 45m.

Which airport typically offers the quickest layover for flights from Detroit to San Juan Luis Munoz Marin Intl Airport?

Average layover duration for 1-stop one-way flights from Detroit to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Baltimore (BWI) offer the fastest connection on this route, with an average layover time of 1h 34m.

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.
Read reviews from past customers who have flown Southwest, Delta, and American Airlines from Detroit to San Juan Luis Munoz Marin Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

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
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

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
Delta
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

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
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

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
Spirit Airlines
6.3
Okay
8,023 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

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
Frontier
5.8
Fair
3,177 reviews
Southwest
8.0
Very good
4,248 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Comfort

8.0

Overall

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 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?

    Detroit All airports (DTT) is the airport you will fly out of if you book a flight from Detroit to San Juan Luis Munoz Marin Intl. You should not have trouble finding flights to San Juan Luis Munoz Marin Intl from All airports; the airport handles an average of 0 outbound flights to San Juan Luis Munoz Marin Intl per day. You should also have plenty of airline options to choose from since 7 airlines have flights from the Detroit airport to San Juan Luis Munoz Marin Intl. It is only a 0.6 mi journey to All airports (DTT) from Detroit’s city center.

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

    Departing from Detroit to San Juan Luis Munoz Marin Intl Airport will take you 4h 23m. The distance from Detroit to San Juan Luis Munoz Marin Intl Airport is about 1932 mi. Generally, flights for this route are nonstop.

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

    Frontier, at $124, was found to be the cheapest airline from Detroit to San Juan Luis Munoz Marin Intl Airport.Alternate airlines to your destination round-trip include Spirit Airlines and JetBlue. Frontier is currently priced 64% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Detroit to San Juan Luis Munoz Marin Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Detroit to San Juan Luis Munoz Marin Intl Airport on time: WestJet (90%), Spirit Airlines (82%), Delta (80%).

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

    Looking at all options, your cheapest flight can be booked for $68. While the most popular route (Detroit Metropolitan Wayne County - San Juan Luis Munoz Marin Intl) can be booked for $139 on average, our data indicates $318 when flying from Detroit to San Juan Luis Munoz Marin Intl Airport.

  • Where are the most common layover locations when flying from Detroit to San Juan Luis Munoz Marin Intl Airport?

    Detroit to San Juan Luis Munoz Marin Intl Airport flights have a layover in Orlando most of the time.

  • What are some popular things to do or see while on a layover in Orlando?

    Most Orlando visitors opt to spend their time experiencing Walt Disney World Resort, Universal Orlando Resort, and International Drive. Travelers on a layover in Orlando can visit Walt Disney World Resort, Universal Orlando Resort, and International Drive, by traveling 16.2 mi, 10.2 mi, and 9.9 mi, respectively after landing at Orlando. Those on a layover in Orlando in need of a rental car can book one at Orlando for about $28.

  • Where are the least popular layover locations for Detroit to San Juan Luis Munoz Marin Intl Airport flights?

    Detroit to San Juan Luis Munoz Marin Intl Airport flights have a layover in Atlanta the least frequently.

  • 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 to San Juan Luis Munoz Marin Intl Airport?

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

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Top 7 airlines flying from Detroit to Luis Munoz Marin Intl

Discover the top 7 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$124Average$168FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$153Average$270FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$281Average$386FlexibilityNo cancel feeOn-time62%
DeltaCheapest$292Average$621FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$396Average$573FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$400Average$596FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$418Average$609FlexibilityNo cancel feeOn-time69%

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