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$70+ Cheap flights from Luis Munoz Marin Intl (SJU) to Detroit (DTT)

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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — DTT
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Luis Munoz Marin Intl to Detroit

Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) to Detroit (DTT). 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 September 11, 2025.

Round-trip from

$139
(Cheapflightsfares)

One-way from

$70
(Cheapflightsfares)

Popular in

March

Cheapest in

January

Average price

$263

Good round-trip deal

$210 or less

Good one-way deal

$121 or less
From San Juan Luis Munoz Marin Intl to Detroit (DTT)
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One-way flight from San Juan Luis Munoz Marin Intl to Detroit (DTT)
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Highest demand for flights based on searches. 22% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($17 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 San Juan Luis Munoz Marin Intl to Detroit (DTT).
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Price to beat on a one-way flight from San Juan Luis Munoz Marin Intl to Detroit (DTT).
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Find flight deals from Luis Munoz Marin Intl to Detroit

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

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.
Thu 9/252:38 pmSJU - DTW
Nonstop4h 46mSpirit Airlines
Sun 9/289:12 amDTW - SJU
Nonstop4h 31mSpirit Airlines
Deal found 9/10$139
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.
Thu 9/252:38 pmSJU - DTW
Nonstop4h 46mSpirit Airlines
Mon 9/297:02 amDTW - SJU
1 stop7h 09mSpirit Airlines
Deal found 9/10$164
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.
Thu 10/22:38 pmSJU - DTW
Nonstop4h 46mSpirit Airlines
Mon 10/64:50 pmDTW - SJU
1 stop8h 54mSpirit Airlines
Deal found 9/10$171
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/182:38 pmSJU - DTW
Nonstop4h 46mSpirit Airlines
Thu 9/259:12 amDTW - SJU
Nonstop4h 31mSpirit Airlines
Deal found 9/11$186
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.
Sat 9/203:19 pmSJU - DTW
1 stop7h 21mSpirit Airlines
Sat 10/48:45 pmDTW - SJU
1 stop14h 28mSpirit Airlines
Deal found 9/10$195
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:10 amSJU - DTW
1 stop8h 09mAmerican Airlines
Sat 10/1810:02 amDTW - SJU
1 stop13h 52mAmerican Airlines
Deal found 9/11$199
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/82:49 amSJU - DTW
1 stop10h 59mSpirit Airlines
Sun 10/126:52 amDTW - SJU
1 stop7h 20mSpirit Airlines
Deal found 9/9$203

Cheapflights Fare Finder

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

Fly from

Luis Munoz Marin Intl

Fly to

Detroit

Route

Depart

Return

Price

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Thu 9/25

2:38 pm-7:24 pm

Nonstop4h 46m

Detroit Metropolitan Wayne County

Sun 9/28

9:12 am-1:43 pm

Nonstop4h 31m

$139

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Fri 10/10

2:49 am-1:39 pm

1 stop10h 50m

Detroit Metropolitan Wayne County

Sat 10/18

2:33 pm-12:54 am

1 stop10h 21m

$202

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Wed 10/8

2:49 am-1:48 pm

1 stop10h 59m

Detroit Metropolitan Wayne County

Sun 10/12

6:52 am-2:12 pm

1 stop7h 20m

$203

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Thu 10/30

1:06 pm-10:14 pm

1 stop9h 08m

Detroit Metropolitan Wayne County

Mon 11/3

8:55 am-2:12 pm

Nonstop4h 17m

$228

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Fri 10/10

5:43 pm-12:56 am

1 stop7h 13m

Detroit Metropolitan Wayne County

Mon 10/13

8:55 am-1:12 pm

Nonstop4h 17m

$256

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Thu 10/9

7:05 am-3:20 pm

1 stop8h 15m

Detroit Metropolitan Wayne County

Mon 10/13

3:05 pm-1:44 am

2 stops34h 39m

$256

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Wed 9/24

12:28 am-8:17 am

1 stop7h 49m

Detroit Metropolitan Wayne County

Sun 9/28

2:53 pm-12:54 am

1 stop10h 01m

$275

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Wed 10/29

2:49 am-1:48 pm

1 stop10h 59m

Detroit Metropolitan Wayne County

Mon 11/3

7:22 am-2:44 am

3 stops18h 22m

$277

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Fri 10/10

5:18 pm-10:13 am

1 stop16h 55m

Detroit Metropolitan Wayne County

Mon 10/13

6:29 pm-1:44 am

3 stops31h 15m

$305

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Thu 9/18

2:38 pm-7:24 pm

Nonstop4h 46m

$85

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 20 results
1
2

Best time to book a flight from Luis Munoz Marin Intl to Detroit

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

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

Currently, August is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Detroit (average of $250). Flying from San Juan Luis Munoz Marin Intl Airport to Detroit in March is currently the most expensive (average of $305). 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 SJU to DTT?

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

One of the essential ways to save on airfare from San Juan Luis Munoz Marin Intl Airport to Detroit is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 42% on airfare.

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

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

Travelers seeking maximum savings on their San Juan Luis Munoz Marin Intl Airport to Detroit flight should consider departing on Wednesday evenings when fares are most often at their lowest. Monday afternoons 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 San Juan Luis Munoz Marin Intl Airport to Detroit?

Reviews of airlines servicing Detroit

Get insights into the airlines that provide service to Detroit. 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 Detroit. Reviews last updated September 11, 2025.
Read reviews from past customers who have flown Delta and Spirit Airlines from San Juan Luis Munoz Marin Intl Airport to Detroit. 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.
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Spirit Airlines
6.3
Okay
8,023 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Related info for your journey

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

    Most people fly into Detroit All airports (DTT) if they book a flight to Detroit from San Juan Luis Munoz Marin Intl. On average, All airports has 0 inbound flights from San Juan Luis Munoz Marin Intl per day from 5 airlines. Detroit All airports is conveniently located just 0.6 mi from Detroit’s city center.

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

    For as low as $139, Spirit Airlines can have you in Detroit from San Juan Luis Munoz Marin Intl Airport in 4h 46m. Airlines will cover a distance of 1932 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $106, Spirit Airlines will fly you from San Juan Luis Munoz Marin Intl Airport to Detroit and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from $199 and $204, respectively. Spirit Airlines is currently priced 65% below the average price you’ll pay for this route.

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

    No one likes to see their flight delayed. When booking a flight from San Juan Luis Munoz Marin Intl Airport to Detroit consider choosing Delta (84%), WestJet (81%) or Spirit Airlines (78%) as they are the most reliable in getting you off to your destination on time.

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

    Looking at all options, your cheapest flight can be booked for $83. While the most popular route (San Juan Luis Munoz Marin Intl - Detroit Metropolitan Wayne County) can be booked for $139 on average, our data indicates $296 when flying from San Juan Luis Munoz Marin Intl Airport to Detroit.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Detroit (average of $250). Flying from San Juan Luis Munoz Marin Intl Airport to Detroit in March is currently the most expensive (average of $305). 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 Detroit?

Book flights to Detroit if you plan to visit one of these locations
Roseville
Port Huron

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Alternative routes for Luis Munoz Marin Intl to Detroit

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Luis Munoz Marin Intl to Detroit

Discover the top 5 airlines that operate flights from Luis Munoz Marin Intl to Detroit. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$106Average$247FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$199Average$585FlexibilityNo cancel feeOn-time71%
DeltaCheapest$204Average$502FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$250Average$250FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$364Average$574FlexibilityNo cancel feeOn-time63%

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