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Cheap flights from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport from C$ 145

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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — SJU
20 Dec — 27 Dec1
1 adult
1 adult, Economy, 0 bags

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 20 November 2025.

Round-trip from

C$ 276

One-way from

C$ 145

Popular in

December

Cheapest in

September

Average price

C$ 581

Good round-trip deal

C$ 442 or less
JetBlue
  • JetBlue
  • 4/12-8/12
  • 2 total stops
  • 16h 34m total
  • Detroit to San Juan
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Spirit Airlines
  • Spirit Airlines
  • 3/1
  • 1 total stop
  • 15h 05m total
  • Detroit to San Juan
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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

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 20 November 2025.

Thu 4/126:05 a.m.DTW - SJU
1 stop8h 17mJetBlue
Mon 8/123:40 p.m.SJU - DTW
1 stop8h 17mJetBlue
Deal found 19/11C$ 276
Thu 25/129:46 a.m.DTW - SJU
1 stop13h 47mSpirit Airlines
Sun 28/1211:38 a.m.SJU - DTW
1 stop10h 54mSpirit Airlines
Deal found 20/11C$ 364
Thu 18/1210:38 a.m.DTW - SJU
1 stop14h 34mSpirit Airlines
Fri 26/124:10 a.m.SJU - DTW
1 stop6h 23mSpirit Airlines
Deal found 20/11C$ 400
Thu 25/1210:49 a.m.DTW - SJU
1 stop12h 48mMultiple Airlines
Sun 28/1211:38 a.m.SJU - DTW
1 stop10h 54mMultiple Airlines
Deal found 20/11C$ 402
Fri 21/119:53 p.m.DTW - SJU
1 stop11h 56mSpirit Airlines
Wed 26/1111:55 a.m.SJU - DTW
1 stop12h 59mSpirit Airlines
Deal found 20/11C$ 407
Sat 27/126:00 a.m.DTW - SJU
1 stop9h 24mJetBlue
Sat 3/15:24 p.m.SJU - DTW
1 stop7h 35mJetBlue
Deal found 20/11C$ 467
Fri 21/119:53 p.m.DTW - SJU
1 stop11h 56mMultiple Airlines
Tue 25/113:59 a.m.SJU - DTW
1 stop15h 09mMultiple Airlines
Deal found 20/11C$ 521
Tue 9/128:35 a.m.DTW - SJU
Nonstop4h 24mDelta
Fri 12/123:01 p.m.SJU - DTW
Nonstop4h 49mDelta
Deal found 19/11C$ 525

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 20 November 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

Sat 24/1

6:00 a.m.-2:39 p.m.

1 stop7h 39m

San Juan Luis Munoz Marin Intl

Sat 31/1

1:30 p.m.-11:56 p.m.

1 stop11h 26m

C$ 276

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Fri 20/2

6:00 a.m.-2:58 p.m.

1 stop7h 58m

San Juan Luis Munoz Marin Intl

Sun 1/3

1:44 p.m.-11:50 p.m.

1 stop11h 06m

C$ 298

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 27/12

6:00 a.m.-4:24 p.m.

1 stop9h 24m

San Juan Luis Munoz Marin Intl

Sat 3/1

5:24 p.m.-11:59 p.m.

1 stop7h 35m

C$ 467

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 26/1

7:15 a.m.-5:17 p.m.

1 stop9h 02m

San Juan Luis Munoz Marin Intl

Thu 29/1

3:20 p.m.-7:15 p.m.

Nonstop4h 55m

C$ 557

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Wed 4/3

8:45 a.m.-2:16 p.m.

Nonstop4h 31m

San Juan Luis Munoz Marin Intl

Tue 17/3

2:21 p.m.-7:23 p.m.

Nonstop5h 02m

C$ 564

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Tue 27/1

8:43 a.m.-2:10 p.m.

Nonstop4h 27m

San Juan Luis Munoz Marin Intl

Thu 29/1

3:20 p.m.-7:15 p.m.

Nonstop4h 55m

C$ 578

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Fri 8/5

3:35 p.m.-11:40 p.m.

1 stop8h 05m

San Juan Luis Munoz Marin Intl

Sat 16/5

6:25 a.m.-4:10 p.m.

2 stops9h 45m

C$ 584

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 9/5

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

2 stops9h 00m

San Juan Luis Munoz Marin Intl

Sat 16/5

5:15 a.m.-3:00 p.m.

2 stops9h 45m

C$ 612

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 17/1

12:45 p.m.-12:10 a.m.

2 stops10h 25m

San Juan Luis Munoz Marin Intl

Sat 24/1

6:00 a.m.-2:55 p.m.

2 stops9h 55m

C$ 612

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Thu 12/3

3:35 p.m.-12:25 a.m.

1 stop8h 50m

San Juan Luis Munoz Marin Intl

Thu 19/3

5:00 a.m.-2:55 p.m.

2 stops9h 55m

C$ 613

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/11

Showing 1-10 of 21 results
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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 14 November 2025.

The best time to book flights from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport is 30 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, September 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$ 186). 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$ 298). 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 20 November 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.

How much does it cost to fly round-trip from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport?

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 20 November 2025.
Check out reviews from past customers who have flown with Southwest,Delta, andSpirit Airlines 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
4,249 reviews
Check prices

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

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
4,249 reviews
Southwest
8.0
Very good
4,249 reviews
Check prices

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

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
8,002 reviews
Southwest
8.0
Very good
4,249 reviews
Check prices

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

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
8,156 reviews
Southwest
8.0
Very good
4,249 reviews
Check prices

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

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
3,106 reviews
Southwest
8.0
Very good
4,249 reviews
Check prices

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

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 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 JetBlue and Delta fly from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport in about 7h 39m. The time it takes to get you to your destination can typically vary by up to 1h 23m. 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$ 207. Other airlines that can offer you cheap pricing are Spirit Airlines, from C$ 234, and Delta, from C$ 412. These flights start at 60% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport are JetBlue (C$ 203), Frontier (C$ 222), and Delta (C$ 243).

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

    Consider WestJet (87%), Delta (82%) or Spirit Airlines (60%) 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$ 253. While the most popular route (Detroit Metropolitan Wayne County - San Juan Luis Munoz Marin Intl) can be booked for C$ 281 on average, our data indicates C$ 447 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, September 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$ 186). 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$ 298). 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 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 20 November 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 207AverageC$ 399FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapestC$ 234AverageC$ 357FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapestC$ 412AverageC$ 643FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
SouthwestCheapestC$ 443AverageC$ 835FlexibilityNo cancel feeOn-time63%
Search Southwest flights

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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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