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$78+ 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — DTT
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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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 July 3, 2025.

Round-trip from

$144
(SmartFares)

One-way from

$78
(FlightHub)

Popular in

March

Cheapest in

January

Average price

$261
From San Juan to Detroit (DTT)
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One-way flight from San Juan to Detroit (DTT)
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Highest demand for flights based on searches. 20% potential increase in price ($79 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 3, 2025.

This SmartFares deal was found by Cheapflights users on 7/3. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/251:37 amSJU - DTW
Nonstop4h 38mSpirit Airlines
Wed 8/67:00 amDTW - SJU
Nonstop4h 32mSpirit Airlines
Deal found 7/3$144

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 July 3, 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

Fri 7/25

1:37 am-6:15 am

Nonstop4h 38m

Detroit Metropolitan Wayne County

Wed 8/6

7:00 am-11:32 am

Nonstop4h 32m

$144

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Thu 10/2

1:36 pm-10:29 pm

2 stops8h 53m

Detroit Metropolitan Wayne County

Mon 10/6

1:02 pm-11:50 pm

2 stops10h 48m

$219

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Sat 7/26

1:37 am-6:15 am

Nonstop4h 38m

$78

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Fri 10/3

5:41 pm-12:49 am

1 stop7h 08m

$114

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Fri 7/11

7:28 pm-8:47 am

1 stop13h 19m

$131

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Tue 7/15

11:35 am-11:10 pm

1 stop11h 35m

$132

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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, 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 July 3, 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 43% 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. Sunday at noon 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 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 July 3, 2025.
Read through reviews of airlines operating flights from San Juan to Detroit, such as Southwest, Delta, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,270 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,270 reviews
Southwest
8.0
Very good
4,270 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,970 reviews
Southwest
8.0
Very good
4,270 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,270 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Spirit Airlines
6.3
Okay
8,094 reviews
Southwest
8.0
Very good
4,270 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Frontier
5.9
Fair
3,284 reviews
Southwest
8.0
Very good
4,270 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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 2 inbound flights from San Juan per day from 4 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 ($144), and American Airlines ($219) offers the cheapest pricing from San Juan to Detroit. You may be able to fly from San Juan to Detroit for 54% 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 $78. Users have also found prices from $114 and $131 on Delta and Frontier, 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 (92%), KLM (92%), Delta( 92%).

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

    The cheapest flight price from San Juan to Detroit is $95. On average you can expect to pay $245. The most popular route, (San Juan Luis Munoz Marin Intl - Detroit Metropolitan Wayne County), can usually be booked for $154.

  • 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
Roseville
Port Huron

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Top 4 airlines flying from San Juan to Detroit

Discover the top 4 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$166Average$257FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$250Average$250FlexibilityNo cancel feeOn-time62%
DeltaCheapest$338Average$549FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$406Average$563FlexibilityNo cancel feeOn-time71%

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