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Cheap flights from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport from C$ 139

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — SJU
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Detroit to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTW) to Luis Munoz Marin Intl (SJU). 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 11 September 2025.

Round-trip from

C$ 263

One-way from

C$ 139

Popular in

December

Cheapest in

August

Average price

C$ 388

Good round-trip deal

C$ 371 or less
Delta
  • Delta
  • 10/11-20/11
  • Nonstop
  • 9h 13m total
  • Detroit to San Juan
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Southwest
  • Southwest
  • 9/10
  • 1 total stop
  • 8h 25m total
  • Detroit to San Juan
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 125 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 30 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Detroit Metropolitan Wayne County to San Juan Luis Munoz Marin Intl.
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Find flight deals from Detroit to Luis Munoz Marin Intl

Cheapest flights from Detroit to Luis Munoz Marin Intl
Explore the most affordable flight options available from Detroit to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Mon 10/118:47 a.m.DTW - SJU
Nonstop4h 23mDelta
Thu 20/113:20 p.m.SJU - DTW
Nonstop4h 50mDelta
Deal found 10/9C$ 263
Sun 9/112:41 p.m.DTW - SJU
1 stop7h 32mDelta
Thu 20/113:20 p.m.SJU - DTW
Nonstop4h 50mDelta
Deal found 8/9C$ 270
Sun 9/112:41 p.m.DTW - SJU
1 stop7h 32mDelta
Wed 19/117:15 a.m.SJU - DTW
1 stop8h 52mDelta
Deal found 8/9C$ 276
Sat 25/102:33 p.m.DTW - SJU
1 stop10h 21mSpirit Airlines
Fri 31/102:49 a.m.SJU - DTW
1 stop10h 50mSpirit Airlines
Deal found 11/9C$ 280
Fri 28/113:15 p.m.DTW - SJU
1 stop7h 04mSpirit Airlines
Sat 6/126:00 a.m.SJU - DTW
Nonstop4h 44mSpirit Airlines
Deal found 9/9C$ 292
Tue 11/118:47 a.m.DTW - SJU
Nonstop4h 23mDelta
Wed 19/113:20 p.m.SJU - DTW
Nonstop4h 50mDelta
Deal found 11/9C$ 309
Wed 12/117:05 a.m.DTW - SJU
1 stop9h 15mDelta
Tue 18/113:20 p.m.SJU - DTW
Nonstop4h 50mDelta
Deal found 8/9C$ 316
Sun 9/112:41 p.m.DTW - SJU
1 stop7h 32mDelta
Sat 15/117:15 a.m.SJU - DTW
1 stop8h 52mDelta
Deal found 10/9C$ 321
Tue 21/104:37 p.m.DTW - SJU
1 stop7h 19mDelta
Sat 25/102:22 p.m.SJU - DTW
Nonstop4h 41mDelta
Deal found 8/9C$ 333
Tue 18/118:47 a.m.DTW - SJU
Nonstop4h 23mDelta
Thu 27/113:20 p.m.SJU - DTW
Nonstop4h 50mDelta
Deal found 10/9C$ 348

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit to Luis Munoz Marin Intl 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 629,999 searches. Data last updated 11 September 2025.
Use the filters below to find and compare flights from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Detroit

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 3/11

8:55 a.m.-2:12 p.m.

Nonstop4h 17m

San Juan Luis Munoz Marin Intl

Thu 6/11

6:43 p.m.-12:56 a.m.

1 stop7h 13m

C$ 270

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 25/10

4:37 p.m.-11:56 p.m.

1 stop7h 19m

San Juan Luis Munoz Marin Intl

Sat 1/11

2:22 p.m.-7:03 p.m.

Nonstop4h 41m

C$ 270

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sun 16/11

8:47 a.m.-2:10 p.m.

Nonstop4h 23m

San Juan Luis Munoz Marin Intl

Wed 19/11

7:15 a.m.-3:07 p.m.

1 stop8h 52m

C$ 270

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 25/10

1:05 p.m.-11:45 p.m.

1 stop10h 40m

San Juan Luis Munoz Marin Intl

Sat 1/11

5:45 a.m.-12:20 p.m.

1 stop6h 35m

C$ 276

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Wed 12/11

7:05 a.m.-5:20 p.m.

1 stop9h 15m

San Juan Luis Munoz Marin Intl

Tue 18/11

3:20 p.m.-7:10 p.m.

Nonstop4h 50m

C$ 316

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Tue 21/10

4:37 p.m.-11:56 p.m.

1 stop7h 19m

San Juan Luis Munoz Marin Intl

Sat 25/10

2:22 p.m.-7:03 p.m.

Nonstop4h 41m

C$ 316

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 31/1

7:00 a.m.-7:21 p.m.

1 stop11h 21m

San Juan Luis Munoz Marin Intl

Sun 8/2

5:28 p.m.-11:19 a.m.

1 stop18h 51m

C$ 326

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Fri 23/1

9:30 p.m.-4:07 p.m.

1 stop17h 37m

San Juan Luis Munoz Marin Intl

Sun 1/2

5:28 p.m.-11:19 a.m.

1 stop18h 51m

C$ 326

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 14/2

7:21 p.m.-4:39 a.m.

1 stop8h 18m

San Juan Luis Munoz Marin Intl

Sun 22/2

5:28 p.m.-11:19 a.m.

1 stop18h 51m

C$ 326

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Thu 9/10

11:00 a.m.-7:25 p.m.

1 stop8h 25m

C$ 139

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 18 results
1
2

Best time to book a flight from Detroit to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Detroit to Luis Munoz Marin Intl. Price data was last updated on 29 August 2025.

The best time to book flights from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport is 62 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport?

Currently, April is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport (average of C$ 254). Flying from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport in July is currently the most expensive (average of C$ 580). 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 Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

It’s optimal to fly from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport in the afternoon. By choosing this option you can save up to 54% on the cost of your flight, compared to a flight in the evening.

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated 11 September 2025.
Check out reviews from past customers who have flown with Delta,Spirit Airlines, andFrontier from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport 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
8.0
Very good
7,960 reviews
Check prices

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews
Check prices

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,023 reviews
Delta
8.0
Very good
7,960 reviews
Check prices

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.8
Fair
3,177 reviews
Delta
8.0
Very good
7,960 reviews
Check prices

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Detroit to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl?

    For a flight from Detroit to San Juan Luis Munoz Marin Intl, you will be flying from Detroit Metropolitan Wayne County. Detroit Metropolitan Wayne County (DTW) is just 27.8 km from the centre of the city. Detroit Metropolitan Wayne County is the only Detroit airport and it handles 0 outbound flights to San Juan Luis Munoz Marin Intl per day. 3 airlines have flights to San Juan Luis Munoz Marin Intl from Detroit Metropolitan Wayne County on a regular basis.

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

    Airlines like Delta fly from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport in about 4h 17m. The time it takes to get you to your destination is usually consistent. Airlines will cover a distance of 3109 km. Most flights are nonstop.

  • What are the cheapest airlines flying from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport round-trip?

    Cheapflights users have booked flights from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport round-trip from C$ 204. Other airlines that can offer you cheap pricing are Spirit Airlines, from C$ 231, and Delta, from C$ 430. These flights start at 61% lower than the current average price 3 months from now.

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

    Consider WestJet (90%), Spirit Airlines (82%) or Delta (80%) when booking your flight. These represent the most reliable airlines when flying from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport.

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

    Looking at all options, your cheapest flight can be booked for C$ 265. While the most popular route (Detroit Metropolitan Wayne County - San Juan Luis Munoz Marin Intl) can be booked for C$ 326 on average, our data indicates C$ 372 when flying from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport.

  • Can I find deals for flights from Detroit to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Detroit to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Detroit to Luis Munoz Marin Intl?

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

  • Can I find deals for business class flights from Detroit to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Detroit to Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport (average of C$ 254). Flying from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport in July is currently the most expensive (average of C$ 580). 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

Travelling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Luquillo

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Top 3 airlines flying from Detroit to Luis Munoz Marin Intl

Discover the top 3 airlines that operate flights from Detroit to Luis Munoz Marin Intl. 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 629,999 searches. Data last updated 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 204AverageC$ 393FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapestC$ 231AverageC$ 352FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapestC$ 430AverageC$ 788FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Detroit to Luis Munoz Marin Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Detroit to Luis Munoz Marin Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Detroit to Luis Munoz Marin Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Detroit to Luis Munoz Marin Intl.

Can Cheapflights find flights from Detroit to Luis Munoz Marin Intl with no change fees?

Yes, we can. To see specific flights from Detroit to Luis Munoz Marin Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Detroit to Luis Munoz Marin Intl become cheaper?

Yes! Start tracking prices for Detroit to Luis Munoz Marin Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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