HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Detroit

$69+ Cheap flights from San Juan 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — DTT
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Juan to Detroit 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.

Cheap flight deals from San Juan to Detroit

Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) 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 November 13, 2025.

Round-trip from

$138
(Frontier)

One-way from

$69
(Priceline)

Popular in

January

Cheapest in

October

Average price

$240
From San Juan to Detroit (DTT)
Search Deals
One-way flight from San Juan to Detroit (DTT)
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from San Juan to Detroit

Cheapest flights from San Juan to Detroit
Explore the most affordable flight options available from San Juan to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This Frontier deal was found by Cheapflights users on 11/11. 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.
Fri 12/57:00 amSJU - DTW
1 stop7h 33mFrontier
Sun 12/77:15 amDTW - SJU
1 stop11h 53mFrontier
Deal found 11/11$138
This Priceline deal was found by Cheapflights users on 11/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/33:55 amSJU - DTW
1 stop29h 25mFrontier
Sun 12/77:15 amDTW - SJU
1 stop11h 53mFrontier
Deal found 11/11$153
This Priceline deal was found by Cheapflights users on 11/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/33:55 amSJU - DTW
1 stop14h 22mFrontier
Mon 12/86:12 pmDTW - SJU
1 stop7h 38mFrontier
Deal found 11/11$168
This Priceline deal was found by Cheapflights users on 11/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:14 pmSJU - DTW
1 stop7h 05mMultiple Airlines
Sat 1/103:10 pmDTW - SJU
1 stop8h 27mMultiple Airlines
Deal found 11/11$172
This Priceline deal was found by Cheapflights users on 11/12. 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.
Sat 12/63:55 amSJU - DTW
1 stop29h 25mMultiple Airlines
Sun 12/1411:13 amDTW - SJU
1 stop12h 03mMultiple Airlines
Deal found 11/12$178
This Cheapflightsfares deal was found by Cheapflights users on 11/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:00 amSJU - DTW
1 stop19h 09mSpirit Airlines
Sat 12/136:58 pmDTW - SJU
1 stop16h 34mSpirit Airlines
Deal found 11/11$179
This Cheapflightsfares deal was found by Cheapflights users on 11/12. 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 11/2011:55 amSJU - DTW
1 stop12h 59mSpirit Airlines
Thu 11/276:35 amDTW - SJU
1 stop12h 52mSpirit Airlines
Deal found 11/12$186
This Priceline deal was found by Cheapflights users on 11/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/115:09 pmSJU - DTW
1 stop16h 11mMultiple Airlines
Mon 12/1511:13 amDTW - SJU
1 stop12h 03mMultiple Airlines
Deal found 11/11$187
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Mon 12/227:25 amSJU - DTW
1 stop10h 46mFrontier
Thu 1/17:04 pmDTW - SJU
2 stops19h 08mFrontier
Deal found 11/12$190
This Trip.com deal was found by Cheapflights users on 11/12. 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.
Wed 12/37:10 amSJU - DTW
1 stop16h 59mMultiple Airlines
Sat 12/67:42 pmDTW - SJU
1 stop13h 51mMultiple Airlines
Deal found 11/12$194
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/124:10 amSJU - DTW
1 stop6h 58mSpirit Airlines
Sun 12/147:42 pmDTW - SJU
1 stop13h 51mSpirit Airlines
Deal found 11/11$195
This Mytrip deal was found by Cheapflights users on 11/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2611:55 amSJU - DTW
1 stop12h 59mSpirit Airlines
Mon 12/19:53 pmDTW - SJU
1 stop11h 56mSpirit Airlines
Deal found 11/12$196

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Juan 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 November 13, 2025.
Use the filters below to find and compare flights from San Juan to Detroit that are best for you.

Fly from

San Juan

Fly to

Detroit

Route

Depart

Return

Price

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Sun 12/7

6:00 am-12:09 am

1 stop19h 09m

Detroit Metropolitan Wayne County

Sun 12/14

6:58 pm-12:32 pm

1 stop16h 34m

$204

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Sun 12/14

4:10 am-9:14 am

2 stops30h 04m

Detroit Metropolitan Wayne County

Fri 1/9

6:00 am-3:35 pm

1 stop8h 35m

$263

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Thu 11/27

8:00 am-10:17 am

3 stops27h 17m

Detroit Metropolitan Wayne County

Mon 12/1

9:53 pm-10:49 am

1 stop11h 56m

$272

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Tue 12/2

3:55 am-5:33 pm

1 stop14h 38m

Detroit Metropolitan Wayne County

Sat 12/6

7:42 pm-10:33 am

1 stop13h 51m

$291

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Thu 12/11

7:00 am-1:19 am

3 stops19h 19m

Detroit Metropolitan Wayne County

Wed 12/17

5:55 pm-11:58 am

1 stop17h 03m

$330

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Thu 12/18

8:20 am-7:34 pm

1 stop12h 14m

Detroit Metropolitan Wayne County

Thu 12/25

10:38 am-2:12 am

1 stop14h 34m

$334

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Mon 12/8

6:14 pm-8:07 am

2 stops14h 53m

Detroit Metropolitan Wayne County

Thu 12/11

5:50 am-12:16 am

2 stops17h 26m

$336

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Tue 12/2

7:15 am-3:09 pm

1 stop8h 54m

Detroit Metropolitan Wayne County

Tue 12/9

7:05 am-5:20 pm

1 stop9h 15m

$342

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Wed 12/3

3:10 pm-6:59 pm

Nonstop4h 49m

Detroit Metropolitan Wayne County

Wed 12/10

7:05 am-5:20 pm

1 stop9h 15m

$365

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Wed 12/3

7:15 am-3:09 pm

1 stop8h 54m

Detroit Metropolitan Wayne County

Mon 12/8

8:35 am-1:59 pm

Nonstop4h 24m

$382

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Showing 1-10 of 23 results
1
2
3

Best time to book a flight from San Juan to Detroit

Have a flexible travel schedule? Discover the best time to fly to Detroit from San Juan 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 to Detroit

What is the cheapest month to book a flight from San Juan to Detroit?

Currently, June is the cheapest month in which you can book a flight from San Juan to Detroit (average of $102). Flying from San Juan to Detroit in April is currently the most expensive (average of $201). 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 San Juan 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 November 13, 2025.

One of the essential ways to save on airfare from San Juan to Detroit is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 37% on airfare.

What is the cheapest day to fly from San Juan to Detroit?

Use this chart to determine the cheapest time to fly round-trip from San Juan to Detroit. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Juan to Detroit flight should consider departing on Wednesday mornings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Juan to Detroit

Explore weekly flight availability from San Juan to Detroit. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 13, 2025.

The most flights from PR1 to DTT are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost to fly round-trip from San Juan 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 November 13, 2025.
Read through reviews of airlines operating flights from San Juan to Detroit, such as Delta and Spirit Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Spirit Airlines
6.3
Okay
8,139 reviews
Delta
7.9
Good
8,008 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from San Juan 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?

    Most people fly into Detroit All airports (DTT) if they book a flight to Detroit from San Juan. On average, All airports has 3 inbound flights from San Juan per day from 3 airlines. Detroit All airports is conveniently located just 0.6 mi from Detroit’s city center.

  • How long is the flight from San Juan to Detroit?

    A quick flight from San Juan to Detroit can take about 19h 09m. Spirit Airlines provides one of the quickest options available for as low as $204. The distance from San Juan to Detroit is about 1932 mi.

  • What are the cheapest airlines flying from San Juan to Detroit round-trip?

    According to our current data, Spirit Airlines ($102), American Airlines ($199), and Delta ($204) offers the cheapest pricing from San Juan to Detroit. You may be able to fly from San Juan to Detroit for 67% less than the average price by searching for these airlines.

  • What are the most reliable airlines from San Juan to Detroit?

    Before booking your flight to Detroit from San Juan, check out the most reliable airlines to get you to your destination on time: WestJet (98%), Delta (96%), Spirit Airlines( 89%).

  • What are the cheapest flights from San Juan to Detroit?

    The cheapest flight price from San Juan to Detroit is $106. On average you can expect to pay $348. The most popular route, (San Juan Luis Munoz Marin Intl - Detroit Metropolitan Wayne County), can usually be booked for $164.

  • Can I find deals for flights from San Juan to Detroit that include hotel bookings?

    Yes. In addition to deals on San Juan to Detroit flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Juan to Detroit?

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

  • Can I find deals for business class flights from San Juan to Detroit?

    Yes. Cheapflights offers flight deals from San Juan 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 to Detroit?

    Currently, June is the cheapest month in which you can book a flight from San Juan to Detroit (average of $102). Flying from San Juan to Detroit in April is currently the most expensive (average of $201). 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

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 3 airlines flying from San Juan to Detroit

Discover the top 3 airlines that operate flights from San Juan 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$102Average$233FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$199Average$555FlexibilityNo cancel feeOn-time71%
DeltaCheapest$204Average$456FlexibilityNo cancel feeOn-timeN/A

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.