HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Detroit

$76+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — DTT
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
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 April 2, 2025.

Round-trip from

$122
(Cheapflightsfares)

One-way from

$76
(OneTravel)

Popular in

March

Cheapest in

September

Average price

$318
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. 19% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 2, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/1. 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 4/237:00 pmSJU - DTW
1 stop17h 03mSpirit Airlines
Mon 4/283:47 pmDTW - SJU
1 stop16h 39mSpirit Airlines
Deal found 4/1$122
This CheapOair deal was found by Cheapflights users on 4/1. 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.
Mon 4/219:37 pmSJU - DTW
1 stop11h 20mMultiple Airlines
Wed 4/235:00 amDTW - SJU
1 stop12h 04mMultiple Airlines
Deal found 4/1$276
This deal was found by Cheapflights users on 3/31. 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 4/119:37 pmSJU - DTW
1 stop10h 23mFrontier
Sat 4/126:20 pmDTW - SJU
1 stop6h 32mFrontier
Deal found 3/31$336
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Fri 8/292:05 pmSJU - DTW
2 stops10h 04mAmerican Airlines
Tue 9/26:33 amDTW - SJU
1 stop8h 12mAmerican Airlines
Deal found 4/1$417
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/91:55 pmSJU - DTW
Nonstop4h 52mDelta
Mon 5/128:25 amDTW - SJU
Nonstop4h 20mDelta
Deal found 4/1$426
This Southwest deal was found by Cheapflights users on 4/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/235:20 amSJU - DTW
2 stops10h 00mSouthwest
Tue 4/291:30 pmDTW - SJU
2 stops10h 25mSouthwest
Deal found 4/1$473
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/221:05 amSJU - DTW
2 stops12h 02mUnited Airlines
Tue 4/296:00 amDTW - SJU
2 stops14h 38mUnited Airlines
Deal found 4/1$493

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 April 2, 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

Wed 4/23

7:00 pm-12:03 pm

1 stop17h 03m

Detroit Metropolitan Wayne County

Mon 4/28

3:47 pm-8:26 am

1 stop16h 39m

$122

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Mon 4/21

9:37 pm-8:57 am

1 stop11h 20m

Detroit Metropolitan Wayne County

Wed 4/23

5:00 am-5:04 pm

1 stop12h 04m

$276

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Fri 4/11

9:37 pm-8:00 am

1 stop10h 23m

Detroit Metropolitan Wayne County

Sat 4/12

6:20 pm-12:52 am

1 stop6h 32m

$336

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Fri 5/9

1:55 pm-6:47 pm

Nonstop4h 52m

Detroit Metropolitan Wayne County

Mon 5/12

8:25 am-12:45 pm

Nonstop4h 20m

$426

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Thu 5/22

5:25 am-12:21 pm

1 stop6h 56m

Detroit Metropolitan Wayne County

Mon 5/26

5:30 am-3:00 pm

2 stops9h 30m

$435

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Wed 4/23

5:20 am-3:20 pm

2 stops10h 00m

Detroit Metropolitan Wayne County

Tue 4/29

1:30 pm-11:55 pm

2 stops10h 25m

$473

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Tue 4/22

1:05 am-1:07 pm

2 stops12h 02m

Detroit Metropolitan Wayne County

Tue 4/29

6:00 am-8:38 pm

2 stops14h 38m

$493

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Tue 4/29

12:54 am-2:08 pm

1 stop13h 14m

$76

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Mon 4/21

7:33 pm-8:57 am

1 stop13h 24m

$148

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Tue 4/8

2:13 pm-7:01 pm

Nonstop4h 48m

$224

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 13 results
1
2

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, April is the cheapest month in which you can book a flight from San Juan to Detroit (average of $257). Flying from San Juan 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 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 April 2, 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 46% 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 Saturday evenings 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.

Rainfall in Detroit by month

Plan your trip to Detroit by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Detroit ranges from 1.8 - 3.1 inches per month. August is typically the wettest month, when rainfall can reach 3.1 in. January is typically the driest time to visit Detroit when rainfall is around 1.8 in.

Temperature in Detroit by month

Plan your trip to Detroit by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Detroit, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

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 April 2, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from San Juan to Detroit to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,272 reviews
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,898 reviews
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,616 reviews
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Spirit Airlines
6.3
Okay
7,886 reviews
Southwest
8.0
Very good
4,272 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 1 inbound flight from San Juan per day from 5 airlines. Detroit All airports is conveniently located just 0.6 mi from Detroit’s city center.

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

    According to our current data, Spirit Airlines ($122), Frontier ($336), and Delta ($426) offers the cheapest pricing from San Juan to Detroit. You may be able to fly from San Juan to Detroit for 59% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from San Juan to Detroit one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $76. Users have also found prices from $148 and $224 on Frontier and Delta, respectively.

  • 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 (89%), KLM (84%), Delta( 81%).

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

    The cheapest flight price from San Juan to Detroit is $181. On average you can expect to pay $586. The most popular route, (San Juan Luis Munoz Marin Intl - Detroit Metropolitan Wayne County), can usually be booked for $122.

  • 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, April is the cheapest month in which you can book a flight from San Juan to Detroit (average of $257). Flying from San Juan 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 San Juan?

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

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 5 airlines flying from San Juan to Detroit

Discover the top 5 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$131Average$327FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$198Average$275FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$250Average$266FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$406Average$563FlexibilityNo cancel feeOn-time71%
DeltaCheapest$416Average$591FlexibilityNo 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.