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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — SJU
31 Jul — 7 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Detroit Metropolitan Wayne County to San Juan Luis Munoz Marin Intl are usually found in September or August, booked 2 days in advance, depart on a Tuesday or Wednesday and return on a Monday

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 1 July 2026.

Thu 15/103:15 p.m.
DTW
-
SJU
2 stops8h 50m
Southwest
Mon 19/109:45 p.m.
SJU
-
DTW
2 stops15h 10m
Southwest
Deal found 29/6C$ 535
Sat 11/71:50 p.m.
DTW
-
SJU
1 stop10h 08m
Frontier
Tue 25/86:35 a.m.
SJU
-
DTW
1 stop10h 47m
Frontier
Deal found 26/6C$ 536
Tue 25/88:45 a.m.
DTW
-
SJU
2 stops9h 25m
Southwest
Sat 29/85:05 a.m.
SJU
-
DTW
2 stops8h 55m
Southwest
Deal found 30/6C$ 562
Fri 18/91:20 p.m.
DTW
-
SJU
2 stops9h 45m
Southwest
Sat 26/910:25 a.m.
SJU
-
DTW
2 stops10h 35m
Southwest
Deal found 26/6C$ 589
Thu 3/123:55 p.m.
DTW
-
SJU
1 stop6h 25m
Southwest
Mon 7/126:15 a.m.
SJU
-
DTW
2 stops10h 00m
Southwest
Deal found 27/6C$ 623
Tue 18/88:45 a.m.
DTW
-
SJU
2 stops9h 25m
Southwest
Sun 23/86:35 a.m.
SJU
-
DTW
2 stops8h 00m
Southwest
Deal found 29/6C$ 627
Fri 28/81:20 p.m.
DTW
-
SJU
2 stops8h 50m
Southwest
Mon 31/85:00 a.m.
SJU
-
DTW
2 stops9h 05m
Southwest
Deal found 30/6C$ 633
Thu 5/115:45 a.m.
DTW
-
SJU
2 stops10h 15m
Southwest
Mon 9/115:50 p.m.
SJU
-
DTW
1 stop7h 05m
Southwest
Deal found 28/6C$ 641
Fri 14/82:40 p.m.
DTW
-
SJU
2 stops9h 10m
Southwest
Tue 18/85:15 a.m.
SJU
-
DTW
2 stops9h 45m
Southwest
Deal found 26/6C$ 650
Fri 21/81:20 p.m.
DTW
-
SJU
2 stops8h 50m
Southwest
Sun 23/86:00 a.m.
SJU
-
DTW
2 stops8h 35m
Southwest
Deal found 30/6C$ 654

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 1 July 2026.

Round-trip from

C$ 535

One-way from

C$ 128

Popular in

December

Cheapest in

September

Average price

C$ 685
Southwest
  • Southwest
  • 15/10-19/10
  • 3 total stops
  • 19h 05m total
  • Detroit to San Juan
Search Deals
Frontier
  • Frontier
  • 25/8
  • 1 total stop
  • 11h 16m total
  • Detroit to San Juan
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 1 July 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Wed 16/9

5:35 a.m.-4:25 p.m.

2 stops10h 50m

San Juan Luis Munoz Marin Intl

Sat 19/9

10:25 a.m.-9:00 p.m.

2 stops10h 35m

C$ 562

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sun 6/9

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

2 stops10h 00m

San Juan Luis Munoz Marin Intl

Sat 12/9

5:05 a.m.-2:00 p.m.

2 stops8h 55m

C$ 589
Quickest round-trip

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Tue 17/11

8:37 a.m.-2:00 p.m.

Nonstop4h 23m

San Juan Luis Munoz Marin Intl

Tue 24/11

3:10 p.m.-7:00 p.m.

Nonstop4h 50m

C$ 707

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sun 15/11

1:30 p.m.-12:55 a.m.

2 stops10h 25m

San Juan Luis Munoz Marin Intl

Sun 22/11

11:20 a.m.-8:05 p.m.

1 stop9h 45m

C$ 803

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Tue 25/8

5:20 a.m.-4:38 p.m.

1 stop11h 18m

San Juan Luis Munoz Marin Intl

Sat 29/8

2:31 p.m.-7:14 p.m.

Nonstop4h 43m

C$ 820

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sun 6/9

7:00 a.m.-1:42 p.m.

1 stop6h 42m

San Juan Luis Munoz Marin Intl

Sat 12/9

3:10 p.m.-7:48 p.m.

Nonstop4h 38m

C$ 820

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 24/8

9:25 a.m.-4:38 p.m.

1 stop7h 13m

San Juan Luis Munoz Marin Intl

Sat 29/8

2:31 p.m.-7:14 p.m.

Nonstop4h 43m

C$ 820

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Thu 12/11

6:00 a.m.-3:40 p.m.

1 stop8h 40m

San Juan Luis Munoz Marin Intl

Tue 24/11

8:25 a.m.-5:23 p.m.

1 stop9h 58m

C$ 897

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Thu 23/7

1:25 p.m.-11:40 p.m.

2 stops10h 15m

San Juan Luis Munoz Marin Intl

Sun 26/7

9:50 a.m.-7:15 p.m.

2 stops9h 25m

C$ 921

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sun 15/11

8:37 a.m.-2:00 p.m.

Nonstop4h 23m

San Juan Luis Munoz Marin Intl

Sun 22/11

6:35 p.m.-12:44 a.m.

1 stop7h 09m

C$ 927

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/6

Showing 1-10 of 19 resultsSorted by cheapest first
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?

The best time to book flights from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport is 1 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$ 337). Flying from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of C$ 829). 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 1 July 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.

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 1 July 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
7.9
Good
4,246 reviews
Check prices

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Southwest
7.9
Good
4,246 reviews
Southwest
7.9
Good
4,246 reviews
Check prices

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Delta
7.8
Good
8,453 reviews
Southwest
7.9
Good
4,246 reviews
Check prices

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
JetBlue
7.1
Good
3,012 reviews
Southwest
7.9
Good
4,246 reviews
Check prices

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Frontier
5.6
Fair
2,848 reviews
Southwest
7.9
Good
4,246 reviews
Check prices

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

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 Southwest and Delta fly from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport in about 4h 23m. The time it takes to get you to your destination can typically vary by up to 6h 27m. 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$ 118. Other airlines that can offer you cheap pricing are JetBlue, from C$ 147, and Delta, from C$ 324. These flights start at 79% 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, 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$ 337). Flying from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of C$ 829). 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
Bayamón

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 1 July 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 118AverageC$ 443FlexibilityNo cancel feeOn-time62%
Search Frontier flights
JetBlueCheapestC$ 147AverageC$ 534FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
DeltaCheapestC$ 324AverageC$ 589FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
SouthwestCheapestC$ 543AverageC$ 917FlexibilityNo 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.