Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport from C$ 128

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — SJU
18 Mar — 25 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Detroit to Luis Munoz Marin Intl

Enter your travel dates to find the best prices.

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 16 February 2026.

Mon 23/212:22 p.m.
DTW
-
SJU
1 stop13h 31m
Frontier
Thu 26/23:53 a.m.
SJU
-
DTW
1 stop6h 49m
Frontier
Deal found 12/2C$ 290
Sat 30/512:47 p.m.
DTW
-
SJU
1 stop9h 23m
Spirit Airlines
Tue 2/63:36 p.m.
SJU
-
DTW
1 stop8h 23m
Spirit Airlines
Deal found 15/2C$ 320
Sun 15/38:15 a.m.
DTW
-
SJU
1 stop10h 40m
Spirit Airlines
Mon 23/37:54 p.m.
SJU
-
DTW
1 stop13h 29m
Spirit Airlines
Deal found 15/2C$ 321
Thu 26/29:00 a.m.
DTW
-
SJU
1 stop7h 32m
Spirit Airlines
Wed 4/35:45 p.m.
SJU
-
DTW
1 stop15h 04m
Spirit Airlines
Deal found 12/2C$ 335
Sat 11/45:45 a.m.
DTW
-
SJU
1 stop6h 48m
Frontier
Sun 19/47:15 a.m.
SJU
-
DTW
1 stop14h 00m
Frontier
Deal found 12/2C$ 347
Thu 12/35:05 a.m.
DTW
-
SJU
1 stop16h 54m
Spirit Airlines
Thu 19/312:55 p.m.
SJU
-
DTW
1 stop11h 04m
Spirit Airlines
Deal found 12/2C$ 355
Sat 4/46:05 a.m.
DTW
-
SJU
1 stop13h 45m
Multiple Airlines
Fri 17/47:15 a.m.
SJU
-
DTW
1 stop14h 00m
Multiple Airlines
Deal found 15/2C$ 380
Thu 12/36:05 a.m.
DTW
-
SJU
1 stop13h 45m
Spirit Airlines
Fri 20/37:54 p.m.
SJU
-
DTW
1 stop13h 29m
Spirit Airlines
Deal found 15/2C$ 388
Mon 16/28:45 p.m.
DTW
-
SJU
2 stops27h 52m
Spirit Airlines
Thu 19/24:36 p.m.
SJU
-
DTW
1 stop8h 23m
Spirit Airlines
Deal found 12/2C$ 391
Thu 12/36:05 a.m.
DTW
-
SJU
1 stop13h 45m
Multiple Airlines
Mon 16/39:58 p.m.
SJU
-
DTW
2 stops13h 14m
Multiple Airlines
Deal found 13/2C$ 399

Find 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 16 February 2026.

Round-trip from

C$ 320

One-way from

C$ 128

Popular in

December

Cheapest in

September

Average price

C$ 557
Spirit Airlines
  • Spirit Airlines
  • 30/5-2/6
  • 2 total stops
  • 17h 46m total
  • Detroit to San Juan
Search Deals
Spirit Airlines
  • Spirit Airlines
  • 4/3
  • 1 total stop
  • 6h 22m total
  • Detroit to San Juan
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 168 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 16 February 2026.
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

Sat 14/3

6:50 p.m.-11:49 a.m.

1 stop16h 59m

San Juan Luis Munoz Marin Intl

Sun 22/3

7:54 p.m.-9:23 a.m.

1 stop13h 29m

C$ 410

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Wed 10/6

8:59 a.m.-1:25 p.m.

Nonstop4h 26m

San Juan Luis Munoz Marin Intl

Wed 17/6

2:35 p.m.-7:14 p.m.

Nonstop4h 39m

C$ 568

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sun 17/5

8:58 a.m.-1:19 p.m.

Nonstop4h 21m

San Juan Luis Munoz Marin Intl

Wed 20/5

7:00 a.m.-3:06 p.m.

1 stop8h 06m

C$ 575

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Fri 24/4

3:35 p.m.-11:55 p.m.

2 stops8h 20m

San Juan Luis Munoz Marin Intl

Fri 1/5

6:50 a.m.-12:15 a.m.

2 stops17h 25m

C$ 580

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 8/6

6:30 a.m.-4:25 p.m.

2 stops9h 55m

San Juan Luis Munoz Marin Intl

Thu 11/6

11:35 a.m.-8:35 p.m.

2 stops9h 00m

C$ 580

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 18/4

5:50 a.m.-2:50 p.m.

2 stops9h 00m

San Juan Luis Munoz Marin Intl

Tue 21/4

5:35 a.m.-3:35 p.m.

2 stops10h 00m

C$ 592

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sun 12/4

7:00 a.m.-5:05 p.m.

2 stops10h 05m

San Juan Luis Munoz Marin Intl

Fri 17/4

2:00 p.m.-11:30 p.m.

2 stops9h 30m

C$ 600

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sun 9/8

8:59 a.m.-1:25 p.m.

Nonstop4h 26m

San Juan Luis Munoz Marin Intl

Sat 22/8

2:30 p.m.-7:05 p.m.

Nonstop4h 35m

C$ 602

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Fri 5/6

8:58 a.m.-1:19 p.m.

Nonstop4h 21m

San Juan Luis Munoz Marin Intl

Fri 12/6

2:35 p.m.-7:14 p.m.

Nonstop4h 39m

C$ 602

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 30/5

7:10 a.m.-4:23 p.m.

1 stop9h 13m

San Juan Luis Munoz Marin Intl

Tue 2/6

2:30 p.m.-7:11 p.m.

Nonstop4h 41m

C$ 609

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/2

Showing 1-10 of 19 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 13 February 2026.

The best time to book flights from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport is 2 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, May 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$ 178). Flying from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport in April is currently the most expensive (average of C$ 278). 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 16 February 2026.

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

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 16 February 2026.
Check out reviews from past customers who have flown with Southwest,Delta, andJetBlue 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.
Southwest
8.0
Very good
4,288 reviews
Check prices

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,288 reviews
Southwest
8.0
Very good
4,288 reviews
Check prices

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,206 reviews
Southwest
8.0
Very good
4,288 reviews
Check prices

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
JetBlue
7.2
Good
2,897 reviews
Southwest
8.0
Very good
4,288 reviews
Check prices

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Spirit Airlines
6.3
Okay
8,464 reviews
Southwest
8.0
Very good
4,288 reviews
Check prices

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 2 outbound flights to San Juan Luis Munoz Marin Intl per day. 4 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 Spirit Airlines, Delta, and Southwest fly from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport in about 4h 26m. The time it takes to get you to your destination can typically vary by up to 12h 33m. Airlines will cover a distance of 3109 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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$ 141. Other airlines that can offer you cheap pricing are Spirit Airlines, from C$ 227, and Delta, from C$ 310. These flights start at 72% lower than the current average price 3 months from now.

  • 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, May 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$ 178). Flying from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport in April is currently the most expensive (average of C$ 278). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Detroit to Luis Munoz Marin Intl

Discover the top 4 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 16 February 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapestC$ 141AverageC$ 511FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Spirit AirlinesCheapestC$ 227AverageC$ 355FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapestC$ 310AverageC$ 564FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
SouthwestCheapestC$ 429AverageC$ 807FlexibilityNo cancel feeOn-time63%
Search Southwest flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.