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$69+ 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — SJU
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
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 57 days in advance, depart on a Monday or Friday and return on a Thursday

Cheap 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 October 28, 2025.

Round-trip from

$195
(Cheapflightsfares)

One-way from

$69
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$312
From Detroit Metropolitan Wayne County to San Juan
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One-way flight from Detroit Metropolitan Wayne County to San Juan
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Highest demand for flights based on searches. 11% potential increase in price ($47 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:10 amDTW - SJU
1 stop10h 09mSpirit Airlines
Thu 11/139:28 pmSJU - DTW
1 stop13h 19mSpirit Airlines
Deal found 10/27$195
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Fri 10/314:50 pmDTW - SJU
1 stop8h 54mSpirit Airlines
Thu 11/139:28 pmSJU - DTW
1 stop13h 19mSpirit Airlines
Deal found 10/27$198
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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.
Thu 12/47:42 pmDTW - SJU
1 stop13h 51mSpirit Airlines
Sat 12/64:10 amSJU - DTW
1 stop6h 58mSpirit Airlines
Deal found 10/26$204
This CheapOair deal was found by Cheapflights users on 10/28. 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 11/279:01 pmDTW - SJU
1 stop12h 48mSpirit Airlines
Sun 12/74:10 amSJU - DTW
1 stop6h 58mSpirit Airlines
Deal found 10/28$205
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Fri 10/314:50 pmDTW - SJU
1 stop8h 54mSpirit Airlines
Fri 11/148:34 pmSJU - DTW
1 stop14h 13mSpirit Airlines
Deal found 10/27$207
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Fri 10/314:50 pmDTW - SJU
1 stop8h 54mSpirit Airlines
Wed 11/123:44 pmSJU - DTW
1 stop8h 45mSpirit Airlines
Deal found 10/27$210
This Priceline deal was found by Cheapflights users on 10/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/272:53 pmDTW - SJU
1 stop10h 51mSpirit Airlines
Mon 11/38:34 pmSJU - DTW
1 stop14h 13mSpirit Airlines
Deal found 10/27$211
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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.
Wed 10/292:53 pmDTW - SJU
1 stop10h 51mSpirit Airlines
Tue 11/43:44 pmSJU - DTW
1 stop8h 45mSpirit Airlines
Deal found 10/26$213
This Trip.com deal was found by Cheapflights users on 10/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:42 pmDTW - SJU
1 stop13h 51mSpirit Airlines
Sun 12/1412:00 pmSJU - DTW
1 stop12h 59mSpirit Airlines
Deal found 10/26$214
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/157:09 pmDTW - SJU
2 stops21h 10mSpirit Airlines
Fri 11/216:00 amSJU - DTW
1 stop13h 47mSpirit Airlines
Deal found 10/27$216
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 12/111:37 amDTW - SJU
1 stop9h 13mSpirit Airlines
Sun 12/712:00 pmSJU - DTW
1 stop12h 59mSpirit Airlines
Deal found 10/26$218

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 October 28, 2025.
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

Sat 12/27

6:00 am-3:01 pm

1 stop8h 01m

San Juan Luis Munoz Marin Intl

Thu 1/1

2:05 am-8:24 am

1 stop7h 19m

$291

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Tue 11/11

8:47 am-2:10 pm

Nonstop4h 23m

San Juan Luis Munoz Marin Intl

Wed 11/19

7:15 am-3:07 pm

1 stop8h 52m

$325

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 12/20

7:42 pm-10:33 am

1 stop13h 51m

San Juan Luis Munoz Marin Intl

Mon 12/29

12:41 pm-12:42 am

1 stop13h 01m

$325

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sun 12/21

11:05 am-2:12 am

1 stop14h 07m

San Juan Luis Munoz Marin Intl

Sat 12/27

4:10 am-10:00 am

1 stop6h 50m

$365

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Tue 11/18

8:47 am-2:10 pm

Nonstop4h 23m

San Juan Luis Munoz Marin Intl

Thu 11/27

3:20 pm-7:10 pm

Nonstop4h 50m

$368

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 1/26

1:40 pm-12:35 am

2 stops9h 55m

San Juan Luis Munoz Marin Intl

Mon 2/2

5:40 am-3:30 pm

2 stops10h 50m

$377

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Wed 11/19

2:31 pm-12:58 am

1 stop9h 27m

San Juan Luis Munoz Marin Intl

Sat 11/22

1:59 am-9:36 am

1 stop8h 37m

$387

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 1/24

4:16 pm-11:44 pm

1 stop6h 28m

San Juan Luis Munoz Marin Intl

Tue 2/3

3:20 pm-7:15 pm

Nonstop4h 55m

$390

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Tue 12/2

8:35 am-1:59 pm

Nonstop4h 24m

San Juan Luis Munoz Marin Intl

Sat 12/6

2:10 pm-10:10 pm

1 stop9h 00m

$390

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Tue 11/18

8:47 am-2:10 pm

Nonstop4h 23m

San Juan Luis Munoz Marin Intl

Tue 12/2

7:15 am-3:09 pm

1 stop8h 54m

$390

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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 October 24, 2025.

Booking 57 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 $212). 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 October 28, 2025.

It’s typically best to fly out from Detroit Metropolitan Wayne County Airport to San Juan in the evening. Doing so could potentially save you 41% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Detroit Metropolitan Wayne County Airport to San Juan?

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

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

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 October 28, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and American Airlines 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.
Southwest
8.0
Very good
4,240 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,240 reviews
Southwest
8.0
Very good
4,240 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,994 reviews
Southwest
8.0
Very good
4,240 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,032 reviews
Southwest
8.0
Very good
4,240 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,116 reviews
Southwest
8.0
Very good
4,240 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,124 reviews
Southwest
8.0
Very good
4,240 reviews

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 are 0 daily outbound flights to San Juan from 7 different airlines.

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

    JetBlue, Delta, and Spirit Airlines can get you from Detroit Metropolitan Wayne County Airport to San Juan in just under 4h 23m. Your travel time can differ by up to 9h 28m. 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 $124. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and Delta, with the lowest prices starting at $152 and $235, respectively. You may be able to fly from Detroit Metropolitan Wayne County Airport to San Juan for 66% less than the average price by searching for these airlines.

  • What are the most reliable airlines from Detroit Metropolitan Wayne County Airport to San Juan?

    Before booking your flight to San Juan from Detroit Metropolitan Wayne County Airport, check out the most reliable airlines to get you to your destination on time: WestJet (93%), Delta (91%), Spirit Airlines( 89%).

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

    On average you can expect to pay $468 for a flight from Detroit Metropolitan Wayne County Airport to San Juan. The cheapest flight overall is $150 while the most popular route, (Detroit Metropolitan Wayne County - San Juan Luis Munoz Marin Intl) is currently priced at $139.

  • Where are the most common layover locations when flying from Detroit Metropolitan Wayne County Airport to San Juan?

    Most of the time, Detroit Metropolitan Wayne County Airport to San Juan flights that have layovers will stop in Orlando.

  • What are some popular things to do or see while on a layover in Orlando?

    Orlando travelers tend to visit Walt Disney World Resort, Universal Orlando Resort, and International Drive more than anywhere else. Walt Disney World Resort, Universal Orlando Resort and International Drive are located about 16.2 mi, 10.2 mi, and 9.9 mi, respectively from Orlando if you are interested in checking them out. Those looking to explore during their layover in Orlando can rent a car from Orlando for about $25 per day.

  • Where are the least popular layover locations for Detroit Metropolitan Wayne County Airport to San Juan flights?

    Detroit Metropolitan Wayne County Airport to San Juan flights have a layover in Atlanta the least frequently.

  • 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 $212). 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 Vieques flights
Detroit to Aguadilla 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$124Average$225FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$152Average$277FlexibilityNo cancel feeOn-time65%
DeltaCheapest$235Average$590FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$281Average$367FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$324Average$574FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$380Average$570FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$399Average$555FlexibilityNo cancel feeOn-time63%

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