Detroit

$118+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — DTT
Jun 11 — Jun 181
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Cheap 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 May 12, 2026.

This eDestinos deal was found by Cheapflights users on 5/10. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:15 pm
SJU
-
DTW
1 stop7h 25m
Frontier
Wed 7/1512:37 pm
DTW
-
SJU
1 stop28h 59m
Frontier
Deal found 5/10$232
This Frontier deal was found by Cheapflights users on 5/7. 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.
Wed 7/85:15 pm
SJU
-
DTW
1 stop7h 25m
Frontier
Thu 7/307:25 pm
DTW
-
SJU
1 stop12h 32m
Frontier
Deal found 5/7$256
This Priceline deal was found by Cheapflights users on 5/10. 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.
Mon 8/106:31 pm
SJU
-
DTW
1 stop17h 24m
Frontier
Fri 8/1412:50 pm
DTW
-
SJU
1 stop11h 57m
Frontier
Deal found 5/10$258
This eDestinos deal was found by Cheapflights users on 5/7. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:15 pm
SJU
-
DTW
1 stop24h 41m
Frontier
Sat 7/1112:50 pm
DTW
-
SJU
1 stop11h 57m
Frontier
Deal found 5/7$274
This Frontier deal was found by Cheapflights users on 5/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/105:15 pm
SJU
-
DTW
1 stop7h 25m
Frontier
Thu 7/1612:50 pm
DTW
-
SJU
1 stop11h 57m
Frontier
Deal found 5/12$276
This Mytrip deal was found by Cheapflights users on 5/12. 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.
Mon 7/66:00 am
SJU
-
DTW
1 stop7h 07m
Frontier
Tue 7/147:25 pm
DTW
-
SJU
1 stop28h 04m
Frontier
Deal found 5/12$287
This Priceline deal was found by Cheapflights users on 5/11. 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.
Sat 7/113:06 am
SJU
-
DTW
1 stop8h 49m
Frontier
Sat 7/187:25 pm
DTW
-
SJU
1 stop12h 32m
Frontier
Deal found 5/11$303
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:31 pm
SJU
-
DTW
2 stops30h 09m
Frontier
Wed 8/1912:42 pm
DTW
-
SJU
1 stop12h 02m
Frontier
Deal found 5/8$309

Find 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 May 12, 2026.

Round-trip from

$232
(eDestinos)

One-way from

$118
(Frontier)

Popular in

March

Cheapest in

November

Average price

$432
From San Juan to Detroit (DTT)
One-way flight from San Juan to Detroit (DTT)
Highest demand for flights based on searches. 23% potential increase in price ($96 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 May 12, 2026.
Use the filters below to find and compare flights from San Juan to Detroit that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Fri 9/18

11:35 am-8:50 pm

2 stops9h 15m

Detroit Metropolitan Wayne County

Mon 9/21

3:50 pm-10:50 pm

1 stop7h 00m

$394

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Tue 7/7

2:21 pm-7:03 pm

Nonstop4h 42m

Detroit Metropolitan Wayne County

Wed 7/15

8:35 am-1:11 pm

Nonstop4h 36m

$547

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Mon 7/6

5:00 am-3:20 pm

2 stops10h 20m

Detroit Metropolitan Wayne County

Tue 7/14

3:50 pm-10:45 pm

1 stop6h 55m

$555

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Wed 7/8

2:21 pm-7:03 pm

Nonstop4h 42m

Detroit Metropolitan Wayne County

Thu 7/30

8:35 am-1:11 pm

Nonstop4h 36m

$572

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Mon 7/6

2:14 pm-6:53 pm

Nonstop4h 39m

Detroit Metropolitan Wayne County

Tue 7/14

8:35 am-1:11 pm

Nonstop4h 36m

$572

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Tue 7/7

7:00 am-5:55 pm

2 stops10h 55m

Detroit Metropolitan Wayne County

Wed 7/15

3:50 pm-10:45 pm

1 stop6h 55m

$596

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Sat 6/13

9:10 am-11:45 pm

2 stops14h 35m

Detroit Metropolitan Wayne County

Mon 6/22

1:25 pm-11:35 pm

2 stops10h 10m

$616
Quickest round-trip

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Thu 6/4

2:35 pm-7:15 pm

Nonstop4h 40m

Detroit Metropolitan Wayne County

Sun 6/7

8:35 am-1:04 pm

Nonstop4h 29m

$627
Cheapest one-way

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Wed 11/4

6:15 am-3:15 pm

2 stops10h 00m

$197

San JuanDetroit

SJU - DTW

SJUDTW

San Juan Luis Munoz Marin Intl

Tue 5/26

8:10 am-9:35 pm

2 stops13h 25m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

Showing 1-10 of 19 resultsSorted by cheapest first
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

How far ahead should I book a flight from San Juan to Detroit?

Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan to Detroit. 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 San Juan to Detroit?

Currently, October is the cheapest month in which you can book a flight from San Juan to Detroit (average of $72). Flying from San Juan to Detroit in March is currently the most expensive (average of $256). 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 May 12, 2026.

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 morning could potentially save you up to 47% on airfare.

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 May 12, 2026.

The most flights from PR1 to DTT are scheduled on a Monday (3 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from San Juan to Detroit?

How often are flights from San Juan to Detroit delayed?

About 12% of weekly flights between San Juan and Detroit have experienced delays in the past year, with the average delay time being 130 minutes.

What is the most punctual flight time for San Juan to Detroit flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on San Juan to Detroit flights?

Over the last year, Delta have had the lowest number of delays on this route, with just 11% of flights being delayed.

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 May 12, 2026.
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.

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Crew

8.5

Entertainment

7.8

Food

7.2

Comfort

7.8

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 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 4h 42m. Southwest provides one of the quickest options available for as low as $547. The distance from San Juan to Detroit is about 1932 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Frontier ($89), Spirit Airlines ($102), and Delta ($190) offers the cheapest pricing from San Juan to Detroit. You may be able to fly from San Juan to Detroit for 72% 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 $85. Users have also found prices from $103 and $106 on JetBlue and American Airlines, 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 (91%), Delta (85%), KLM( 83%).

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

    The cheapest flight price from San Juan to Detroit is $151. On average you can expect to pay $478. The most popular route, (San Juan Luis Munoz Marin Intl - Detroit Metropolitan Wayne County), can usually be booked for $380.

  • 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, October is the cheapest month in which you can book a flight from San Juan to Detroit (average of $72). Flying from San Juan to Detroit in March is currently the most expensive (average of $256). 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 San Juan to Detroit

See prices for flight routes from nearby airports that may be better suited for you.

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 May 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$89Average$212FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$102Average$245FlexibilityNo cancel feeOn-time65%
DeltaCheapest$190Average$459FlexibilityNo cancel feeOn-timeN/A

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