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San Juan

$61+ Cheap flights from Detroit Metropolitan Wayne County Airport (DTW) to San Juan

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — SJU
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheapflights Tip: The best prices from Detroit Metropolitan Wayne County to San Juan are usually found in September or August, booked 18 days in advance, depart on a Monday or Thursday and return on a Thursday

Cheap flight deals from Detroit to San Juan

Cheapest flights from Detroit to San Juan
Explore the most affordable flight options available from Detroit to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Sun 2/88:00 am
DTW
-
SJU
1 stop6h 35m
Spirit Airlines
Fri 2/275:45 pm
SJU
-
DTW
1 stop15h 04m
Spirit Airlines
Deal found 1/27$209
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 3/210:59 pm
DTW
-
SJU
2 stops15h 32m
Spirit Airlines
Tue 3/103:36 pm
SJU
-
DTW
1 stop8h 23m
Spirit Airlines
Deal found 1/26$210
This Frontier deal was found by Cheapflights users on 1/27. 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.
Mon 2/236:08 pm
DTW
-
SJU
1 stop7h 45m
Frontier
Thu 3/126:30 am
SJU
-
DTW
1 stop13h 36m
Frontier
Deal found 1/27$211
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/95:15 pm
DTW
-
SJU
1 stop15h 32m
Spirit Airlines
Sat 2/145:45 pm
SJU
-
DTW
1 stop7h 24m
Spirit Airlines
Deal found 1/27$212
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Sat 2/75:14 pm
DTW
-
SJU
1 stop17h 31m
Multiple Airlines
Tue 2/244:31 pm
SJU
-
DTW
1 stop8h 28m
Multiple Airlines
Deal found 1/27$213
This CheapOair deal was found by Cheapflights users on 1/27. 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.
Thu 4/26:05 am
DTW
-
SJU
1 stop13h 45m
Multiple Airlines
Tue 4/73:16 am
SJU
-
DTW
1 stop7h 30m
Multiple Airlines
Deal found 1/27$214
This CheapOair deal was found by Cheapflights users on 1/26. 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.
Sat 2/289:11 pm
DTW
-
SJU
1 stop28h 42m
Multiple Airlines
Fri 3/65:45 pm
SJU
-
DTW
1 stop15h 04m
Multiple Airlines
Deal found 1/26$215
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Sun 4/128:15 am
DTW
-
SJU
1 stop6h 11m
Spirit Airlines
Mon 4/279:49 pm
SJU
-
DTW
1 stop11h 36m
Spirit Airlines
Deal found 1/27$216
This Frontier deal was found by Cheapflights users on 1/25. 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 4/102:58 pm
DTW
-
SJU
1 stop9h 31m
Frontier
Fri 4/173:08 am
SJU
-
DTW
1 stop7h 23m
Frontier
Deal found 1/25$217
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/255:45 am
DTW
-
SJU
1 stop8h 46m
Spirit Airlines
Thu 3/511:52 am
SJU
-
DTW
1 stop10h 47m
Spirit Airlines
Deal found 1/27$218
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 5/58:00 am
DTW
-
SJU
1 stop6h 28m
Spirit Airlines
Tue 5/123:43 pm
SJU
-
DTW
1 stop7h 31m
Spirit Airlines
Deal found 1/27$219
This Cheapflightsfares deal was found by Cheapflights users on 1/26. 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 3/78:52 pm
DTW
-
SJU
1 stop15h 33m
Spirit Airlines
Sat 3/148:47 pm
SJU
-
DTW
1 stop11h 53m
Spirit Airlines
Deal found 1/26$220

Find flight deals from Detroit to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTW) to San Juan (PR1). 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 January 27, 2026.

Round-trip from

$210
(Kiwi.com)

One-way from

$61
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$375
From Detroit Metropolitan Wayne County to San Juan
Search Deals
One-way flight from Detroit Metropolitan Wayne County to San Juan
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit to San Juan 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 January 27, 2026.
Use the filters below to find and compare flights from Detroit Metropolitan Wayne County Airport to San Juan that are best for you.

Fly from

Detroit

Fly to

San Juan

Route

Depart

Return

Price

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Tue 3/3

1:40 pm-12:35 am

2 stops9h 55m

San Juan Luis Munoz Marin Intl

Tue 3/10

5:55 am-5:30 pm

2 stops11h 35m

$390

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 4/13

3:35 pm-11:55 pm

2 stops8h 20m

San Juan Luis Munoz Marin Intl

Sat 4/25

5:15 am-3:00 pm

2 stops9h 45m

$415

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sun 4/19

8:35 am-12:52 pm

Nonstop4h 17m

San Juan Luis Munoz Marin Intl

Fri 4/24

6:15 am-4:54 pm

1 stop10h 39m

$497

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 4/11

7:20 am-5:35 pm

2 stops10h 15m

San Juan Luis Munoz Marin Intl

Mon 4/13

5:35 am-2:55 pm

2 stops9h 20m

$501

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 2/9

8:43 am-2:10 pm

Nonstop4h 27m

San Juan Luis Munoz Marin Intl

Fri 2/13

3:10 pm-7:05 pm

Nonstop4h 55m

$507

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Tue 2/24

8:35 am-2:00 pm

Nonstop4h 25m

San Juan Luis Munoz Marin Intl

Tue 3/3

6:15 am-3:05 pm

1 stop9h 50m

$522

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 3/2

8:35 am-2:00 pm

Nonstop4h 25m

San Juan Luis Munoz Marin Intl

Thu 3/5

6:15 am-12:56 pm

1 stop7h 41m

$532

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Fri 2/20

8:35 am-2:00 pm

Nonstop4h 25m

San Juan Luis Munoz Marin Intl

Fri 2/27

6:42 pm-12:44 am

1 stop7h 02m

$532

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Thu 3/5

8:35 am-2:00 pm

Nonstop4h 25m

San Juan Luis Munoz Marin Intl

Wed 3/11

7:00 am-7:00 pm

1 stop12h 00m

$547

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Tue 4/14

12:15 pm-8:24 pm

1 stop8h 09m

San Juan Luis Munoz Marin Intl

Sun 4/26

2:03 pm-6:46 pm

Nonstop4h 43m

$547

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 21 results
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Best time to book a flight from Detroit to San Juan

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

How far ahead should I book a flight from Detroit Metropolitan Wayne County Airport to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Detroit to San Juan. Price data was last updated on January 23, 2026.

Booking 18 days in advance of your planned departure date is, on average, the best time to get cheap flights from Detroit Metropolitan Wayne County Airport to San Juan. 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 Detroit Metropolitan Wayne County Airport to San Juan?

Currently, September is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to San Juan (average of $132). Flying from Detroit Metropolitan Wayne County Airport to San Juan in April is currently the most expensive (average of $206). 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 DTW to SJU?

Find hourly flight availability from Detroit to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 27, 2026.

When flying from Detroit Metropolitan Wayne County Airport to San Juan, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Detroit Metropolitan Wayne County Airport to San Juan

Explore weekly flight availability from Detroit to San Juan. 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 January 27, 2026.

The most flights from DTW to PR1 are scheduled on a Monday (2 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 Detroit Metropolitan Wayne County Airport to San Juan?

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated January 27, 2026.
Peruse reviews from past customers who have flown with Delta, American Airlines, and JetBlue from Detroit Metropolitan Wayne County Airport to San Juan to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,119 reviews

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

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
8,119 reviews
Delta
7.9
Good
8,119 reviews

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

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.
American Airlines
7.2
Good
11,197 reviews
Delta
7.9
Good
8,119 reviews

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

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.
JetBlue
7.2
Good
2,890 reviews
Delta
7.9
Good
8,119 reviews

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

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
8,384 reviews
Delta
7.9
Good
8,119 reviews

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

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.
Frontier
5.7
Fair
3,056 reviews
Delta
7.9
Good
8,119 reviews

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

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 Detroit to San Juan. 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 from for flights from Detroit to San Juan?

    Located just 17.3 mi from the city center, Detroit Metropolitan Wayne County is the airport most travelers will use when flying to San Juan from Detroit. Booking flights from Detroit Metropolitan Wayne County (DTW) to San Juan should be relatively easy as there is 1 daily outbound flight to San Juan from 7 different airlines.

  • How long is the flight from Detroit Metropolitan Wayne County Airport to San Juan?

    Southwest and Delta can get you from Detroit Metropolitan Wayne County Airport to San Juan in just under 4h 17m. Your travel time can differ by up to 5h 38m. The distance from Detroit Metropolitan Wayne County Airport to San Juan is about 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 Detroit Metropolitan Wayne County Airport to San Juan round-trip?

    Flying on Frontier is currently your cheapest option to San Juan, with prices starting at $84. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and Delta, with the lowest prices starting at $138 and $208, respectively. You may be able to fly from Detroit Metropolitan Wayne County Airport to San Juan for 77% less than the average price by searching for these airlines.

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

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $69. However, be on the lookout for offers from Frontier and Delta, as they are both options that can get you from Detroit Metropolitan Wayne County Airport to San Juan for a low price.

  • What are the cheapest flights from Detroit Metropolitan Wayne County Airport to San Juan?

    On average you can expect to pay $520 for a flight from Detroit Metropolitan Wayne County Airport to San Juan. The cheapest flight overall is $234 while the most popular route, (Detroit Metropolitan Wayne County - San Juan Luis Munoz Marin Intl) is currently priced at $163.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Detroit to San Juan 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 Detroit Metropolitan Wayne County Airport to San Juan?

    Currently, September is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to San Juan (average of $132). Flying from Detroit Metropolitan Wayne County Airport to San Juan in April is currently the most expensive (average of $206). 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

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Alternative routes for Detroit to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
Detroit to Luis Munoz Marin Intl flights
Detroit to Aguadilla flights
Detroit to Vieques flights
Detroit to Culebra flights

Top 7 airlines flying from Detroit to San Juan

Discover the top 7 airlines that operate flights from Detroit to San Juan. 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$84Average$248FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$138Average$282FlexibilityNo cancel feeOn-time65%
DeltaCheapest$208Average$548FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$211Average$361FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$266Average$545FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$329Average$564FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$395Average$528FlexibilityNo cancel feeOn-time63%

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