In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport ranges from 55.0 - 156.0 mm per month. November is typically the wettest month, when rainfall can reach 156.0 mm. March is typically the driest time to visit San Juan Luis Munoz Marin Intl Airport when rainfall is around 55.0 mm.

If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 25.0 C).

What are the most popular airlines that fly from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport?

When booking a flight from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport, you may want to consider flying on Delta, Southwest or JetBlue as they are the most popular for this route.

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 1 outbound flight 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.

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.

C$ 181+ Cheap Flights from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport

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

Airfare is typical for this route at the moment. Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport flights typically cost between C$ 503 and C$ 856 in October. The cheapest round-trip price found within the last 5 days was C$ 530 on JetBlue (19 Oct-27 Oct).

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.

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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 7 July 2026.

Mon 19/106:00 a.m.

DTW

SJU

1 stop7h 25m

JetBlue

Tue 27/106:25 a.m.

SJU

DTW

1 stop8h 45m

JetBlue

Deal found 2/7C$ 530

Mon 7/123:55 p.m.

DTW

SJU

1 stop6h 25m

Southwest

Wed 16/126:15 a.m.

SJU

DTW

2 stops10h 00m

Southwest

Deal found 2/7C$ 534

Tue 25/86:25 a.m.

DTW

SJU

2 stops11h 45m

Southwest

Sat 29/85:05 a.m.

SJU

DTW

2 stops8h 55m

Southwest

Deal found 7/7C$ 561

Wed 4/1111:00 a.m.

DTW

SJU

1 stop12h 38m

Frontier

Sat 14/115:30 p.m.

SJU

DTW

1 stop8h 12m

Frontier

Deal found 6/7C$ 563

Sat 11/76:10 a.m.

DTW

SJU

1 stop8h 06m

Frontier

Tue 25/85:25 p.m.

SJU

DTW

1 stop7h 39m

Frontier

Deal found 2/7C$ 577

Sat 5/97:55 a.m.

DTW

SJU

2 stops10h 20m

Southwest

Sat 12/910:25 a.m.

SJU

DTW

2 stops10h 35m

Southwest

Deal found 6/7C$ 588

Mon 20/712:27 p.m.

DTW

SJU

1 stop9h 16m

Frontier

Thu 23/76:00 a.m.

SJU

DTW

1 stop6h 55m

Frontier

Deal found 5/7C$ 593

Sat 17/102:10 p.m.

DTW

SJU

2 stops9h 40m

Southwest

Mon 19/105:00 a.m.

SJU

DTW

2 stops9h 10m

Southwest

Deal found 2/7C$ 597

Find flight deals from Detroit to Luis Munoz Marin Intl

Round-trip from	C$ 530
One-way from	C$ 181
Popular in	December
Cheapest in	September
Average price	C$ 691

JetBlue
19/10-27/10
2 total stops
16h 10m total
Detroit to San Juan

Search Deals

Frontier
26/8
1 total stop
29h 53m total
Detroit to San Juan

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (C$ 73 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 32 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2026

Search Deals

Cheapflights Fare Finder

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

Tue 22/9

8:45 a.m.-6:10 p.m.

2 stops9h 25m

San Juan Luis Munoz Marin Intl

Tue 29/9

10:30 a.m.-9:15 p.m.

2 stops10h 45m

C$ 588

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sun 16/8

3:30 p.m.-12:30 a.m.

2 stops9h 00m

San Juan Luis Munoz Marin Intl

Fri 21/8

5:00 a.m.-3:10 p.m.

2 stops10h 10m

C$ 654

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Fri 13/11

1:30 p.m.-10:55 p.m.

2 stops8h 25m

San Juan Luis Munoz Marin Intl

Sat 21/11

3:30 p.m.-11:05 p.m.

1 stop8h 35m

C$ 689

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 17/8

2:40 p.m.-11:50 p.m.

2 stops9h 10m

San Juan Luis Munoz Marin Intl

Sat 22/8

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

2 stops10h 35m

C$ 689

Quickest round-trip

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sun 6/12

8:36 a.m.-2:00 p.m.

Nonstop4h 24m

San Juan Luis Munoz Marin Intl

Tue 15/12

3:10 p.m.-6:59 p.m.

Nonstop4h 49m

C$ 706

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Thu 6/8

2:40 p.m.-11:50 p.m.

2 stops9h 10m

San Juan Luis Munoz Marin Intl

Thu 13/8

5:00 a.m.-3:10 p.m.

2 stops10h 10m

C$ 719

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Fri 7/8

2:40 p.m.-11:50 p.m.

2 stops9h 10m

San Juan Luis Munoz Marin Intl

Wed 12/8

10:30 a.m.-9:15 p.m.

2 stops10h 45m

C$ 719

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Tue 10/11

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

Nonstop4h 23m

San Juan Luis Munoz Marin Intl

Sat 14/11

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

Nonstop4h 50m

C$ 742

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Wed 18/11

5:25 a.m.-4:55 p.m.

2 stops10h 30m

San Juan Luis Munoz Marin Intl

Sat 21/11

3:30 p.m.-11:05 p.m.

1 stop8h 35m

C$ 755

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Wed 4/11

5:25 a.m.-3:10 p.m.

2 stops8h 45m

San Juan Luis Munoz Marin Intl

Sat 14/11

8:45 a.m.-6:30 p.m.

2 stops10h 45m

C$ 846

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/7

Showing 1-10 of 19 resultsSorted by cheapest first

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.

DTW-SJU

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$ 820). 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?

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

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

4,250 reviews

Check prices

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

4,250 reviews

Southwest

7.9

Good

4,250 reviews

Check prices

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

8,451 reviews

Southwest

7.9

Good

4,250 reviews

Check prices

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

3,009 reviews

Southwest

7.9

Good

4,250 reviews

Check prices

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

2,840 reviews

Southwest

7.9

Good

4,250 reviews

Check prices

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

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 1 outbound flight 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 fly from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport in about 10h 30m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 3109 km.
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$ 117. 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$ 820). 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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Top 4 airlines flying from Detroit to Luis Munoz Marin Intl

Airline	Cheapest	Average	Flexibility	On-time
Frontier	CheapestC$ 117	AverageC$ 443	FlexibilityNo cancel fee	On-time62%	Search Frontier flights
JetBlue	CheapestC$ 147	AverageC$ 534	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Delta	CheapestC$ 324	AverageC$ 589	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Southwest	CheapestC$ 543	AverageC$ 917	FlexibilityNo cancel fee	On-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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Cheap flights from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport from C$ 181

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Detroit to Luis Munoz Marin Intl

Cheapest flights from Detroit to Luis Munoz Marin IntlExplore 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 7 July 2026.

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 7 July 2026.

Best flights from Detroit to Luis Munoz Marin IntlDiscover carefully curated flight deals from Detroit to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 7 July 2026.

Discover carefully curated flight deals from Detroit to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 7 July 2026.

Direct flights from Detroit to Luis Munoz Marin IntlExplore direct flight options from Detroit to Luis Munoz Marin Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 7 July 2026.

Explore direct flight options from Detroit to Luis Munoz Marin Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 7 July 2026.

Last-minute flights from Detroit to Luis Munoz Marin IntlDiscover last-minute flight deals from Detroit to Luis Munoz Marin Intl. Data last updated 7 July 2026 and is based on user searches.

Discover last-minute flight deals from Detroit to Luis Munoz Marin Intl. Data last updated 7 July 2026 and is based on user searches.

One-way flights from Detroit to Luis Munoz Marin IntlSearch for one-way flight options from Detroit to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated 7 July 2026.

Search for one-way flight options from Detroit to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated 7 July 2026.

Find flight deals from Detroit to Luis Munoz Marin Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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.

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.

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?

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

What is the cheapest time of day to fly from DTW to SJU?

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

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?

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

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

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

How can I 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?

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

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

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Search flights from Detroit to Luis Munoz Marin Intl by cabin class

Find flights from Detroit to Luis Munoz Marin Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Luis Munoz Marin Intl

Explore flights to Luis Munoz Marin Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 7 July 2026.

Detroit and Luis Munoz Marin Intl flights

Browse other Detroit and Luis Munoz Marin Intl flight options. Last updated on 7 July 2026.

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Top 4 airlines flying from Detroit to Luis Munoz Marin Intl

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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 7 July 2026.

Best flights from Detroit to Luis Munoz Marin Intl
Discover carefully curated flight deals from Detroit to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 7 July 2026.

Direct flights from Detroit to Luis Munoz Marin Intl
Explore direct flight options from Detroit to Luis Munoz Marin Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 7 July 2026.

Last-minute flights from Detroit to Luis Munoz Marin Intl
Discover last-minute flight deals from Detroit to Luis Munoz Marin Intl. Data last updated 7 July 2026 and is based on user searches.

One-way flights from Detroit to Luis Munoz Marin Intl
Search for one-way flight options from Detroit to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated 7 July 2026.