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Cheap flights from Detroit to San Juan from $75

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to San Juan departing on 1/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
10:49 am - 4:23 pmDTW-SJU
4h 34mnonstop
Spirit Airlines Logo
6:00 am - 9:44 amSJU-DTW
4h 44mnonstop
$191Spirit Airlines
Find Deal
Mon, Feb 9 - Sat, Feb 14
Spirit Airlines Logo
12:16 pm - 7:21 pmDTW-SJU
6h 05m1 stop
Spirit Airlines Logo
6:00 am - 9:44 amSJU-DTW
4h 44mnonstop
$199Spirit Airlines
Find Deal
Fri, Feb 6 - Sat, Feb 28
Multiple Airlines Logo
7:59 am - 5:33 pmDTW-SJU
8h 34m1 stop
Multiple Airlines Logo
8:47 pm - 9:12 amSJU-DTW
13h 25m1 stop
$200Multiple Airlines
Find Deal
Sat, Dec 13 - Tue, Dec 23
Multiple Airlines Logo
12:05 pm - 1:42 amDTW-SJU
36h 37m2 stops
Multiple Airlines Logo
6:00 am - 9:44 amSJU-DTW
4h 44mnonstop
$201Multiple Airlines
Find Deal
Sun, Feb 8 - Sat, Feb 28
Multiple Airlines Logo
10:12 am - 1:06 amDTW-SJU
13h 54m1 stop
Multiple Airlines Logo
12:51 pm - 11:40 pmSJU-DTW
11h 49m1 stop
$202Multiple Airlines
Find Deal
Wed, Dec 31 - Wed, Jan 7
Spirit Airlines Logo
6:00 am - 12:16 amDTW-SJU
17h 16m1 stop
Spirit Airlines Logo
4:10 am - 10:08 amSJU-DTW
6h 58m1 stop
$204Spirit Airlines
Find Deal
Sat, Dec 6 - Fri, Dec 12
Spirit Airlines Logo
6:55 pm - 12:32 pmDTW-SJU
16h 37m1 stop
Spirit Airlines Logo
4:10 am - 10:08 amSJU-DTW
6h 58m1 stop
$205Spirit Airlines
Find Deal
Thu, Dec 11 - Mon, Dec 15
Frontier Logo
6:07 pm - 2:50 amDTW-SJU
7h 43m1 stop
Frontier Logo
7:00 am - 2:13 pmSJU-DTW
8h 13m1 stop
$240Frontier
Find Deal
Mon, Feb 23 - Fri, Feb 27
Southwest Logo
12:30 pm - 12:05 amDTW-SJU
10h 35m2 stops
Southwest Logo
5:30 am - 3:35 pmSJU-DTW
11h 05m2 stops
$249Southwest
Find Deal
Mon, Feb 9 - Fri, Feb 13
Frontier Logo
6:07 pm - 2:50 amDTW-SJU
7h 43m1 stop
Frontier Logo
3:55 am - 9:53 amSJU-DTW
6h 58m1 stop
$254Frontier
Find Deal
Thu, Feb 5 - Fri, Feb 13

Spirit Airlines flights from Detroit to San Juan Luis Munoz Marin Intl Airport

Our best Spirit Airlines deals on Detroit to San Juan Luis Munoz Marin Intl Airport flight tickets
Spirit Airlines
Feb 9
DTW10:49 amDetroit Metropolitan Wayne County
4h 34m
SJU4:23 pmSan Juan Luis Munoz Marin Intl
Feb 14
SJU6:00 amSan Juan Luis Munoz Marin Intl
4h 44m
DTW9:44 amDetroit Metropolitan Wayne County
$191
Find similar
Spirit Airlines
Feb 6
DTW12:16 pmDetroit Metropolitan Wayne County
6h 05m
1 stop
SJU7:21 pmSan Juan Luis Munoz Marin Intl
Feb 28
SJU6:00 amSan Juan Luis Munoz Marin Intl
4h 44m
DTW9:44 amDetroit Metropolitan Wayne County
$199
Find similar
Spirit Airlines
Dec 6
DTW6:00 amDetroit Metropolitan Wayne County
17h 16m
1 stop
SJU12:16 amSan Juan Luis Munoz Marin Intl
Dec 12
SJU4:10 amSan Juan Luis Munoz Marin Intl
6h 58m
1 stop
DTW10:08 amDetroit Metropolitan Wayne County
$204
Find similar

Frontier flights from Detroit to San Juan Luis Munoz Marin Intl Airport

Our best Frontier deals on Detroit to San Juan Luis Munoz Marin Intl Airport flight tickets
Frontier
Feb 23
DTW6:07 pmDetroit Metropolitan Wayne County
7h 43m
1 stop
SJU2:50 amSan Juan Luis Munoz Marin Intl
Feb 27
SJU7:00 amSan Juan Luis Munoz Marin Intl
8h 13m
1 stop
DTW2:13 pmDetroit Metropolitan Wayne County
$240
Find similar
Frontier
Feb 5
DTW6:07 pmDetroit Metropolitan Wayne County
7h 43m
1 stop
SJU2:50 amSan Juan Luis Munoz Marin Intl
Feb 13
SJU3:55 amSan Juan Luis Munoz Marin Intl
6h 58m
1 stop
DTW9:53 amDetroit Metropolitan Wayne County
$254
Find similar
Frontier
Mar 2
DTW2:36 pmDetroit Metropolitan Wayne County
10h 06m
1 stop
SJU1:42 amSan Juan Luis Munoz Marin Intl
Mar 5
SJU9:37 pmSan Juan Luis Munoz Marin Intl
12h 16m
1 stop
DTW8:53 amDetroit Metropolitan Wayne County
$264
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Detroit to San Juan Luis Munoz Marin Intl Airport 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, momondo users made 832,500 searches. Data last updated October 24, 2025.
Use the filters below to find and compare flights from Detroit to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 2/9

10:49 am-4:23 pm

Nonstop4h 34m

San Juan Luis Munoz Marin Intl

Sat 2/14

6:00 am-9:44 am

Nonstop4h 44m

$191

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Fri 2/6

12:16 pm-7:21 pm

1 stop6h 05m

San Juan Luis Munoz Marin Intl

Sat 2/28

6:00 am-9:44 am

Nonstop4h 44m

$199

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 12/13

7:59 am-5:33 pm

1 stop8h 34m

San Juan Luis Munoz Marin Intl

Tue 12/23

8:47 pm-9:12 am

1 stop13h 25m

$200

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sun 2/8

12:05 pm-1:42 am

2 stops36h 37m

San Juan Luis Munoz Marin Intl

Sat 2/28

6:00 am-9:44 am

Nonstop4h 44m

$201

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Wed 12/31

10:12 am-1:06 am

1 stop13h 54m

San Juan Luis Munoz Marin Intl

Wed 1/7

12:51 pm-11:40 pm

1 stop11h 49m

$202

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 12/6

6:00 am-12:16 am

1 stop17h 16m

San Juan Luis Munoz Marin Intl

Fri 12/12

4:10 am-10:08 am

1 stop6h 58m

$204

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Thu 12/11

6:55 pm-12:32 pm

1 stop16h 37m

San Juan Luis Munoz Marin Intl

Mon 12/15

4:10 am-10:08 am

1 stop6h 58m

$205

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 2/23

6:07 pm-2:50 am

1 stop7h 43m

San Juan Luis Munoz Marin Intl

Fri 2/27

7:00 am-2:13 pm

1 stop8h 13m

$240

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 2/9

12:30 pm-12:05 am

2 stops10h 35m

San Juan Luis Munoz Marin Intl

Fri 2/13

5:30 am-3:35 pm

2 stops11h 05m

$249

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Thu 2/5

6:07 pm-2:50 am

1 stop7h 43m

San Juan Luis Munoz Marin Intl

Fri 2/13

3:55 am-9:53 am

1 stop6h 58m

$254

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Detroit to San Juan Luis Munoz Marin Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Detroit and San Juan Luis Munoz Marin Intl Airport?

What is the cheapest month to fly to San Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $242.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from Detroit is on a Monday. momondo users have found tickets for Monday departures for as low as $426. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Detroit because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $603.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is in the evening when flights can be purchased for as low as $262. Flights in the morning are often more expensive with an average ticket price of $511.

What is the cheapest Detroit to San Juan Luis Munoz Marin Intl flight route?

Fly from Detroit Metropolitan Wayne County to San Juan Luis Munoz Marin Intl for the best Detroit - San Juan Luis Munoz Marin Intl flight prices

How far in advance should I book a flight to San Juan Luis Munoz Marin Intl Airport?

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from Detroit when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $373 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from Detroit for as low as $300 on momondo.

What cabin class options are available on Detroit to San Juan Luis Munoz Marin Intl flights?

There are 3 cabin classes available to choose from on Detroit to San Juan Luis Munoz Marin Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Detroit to San Juan Luis Munoz Marin Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Detroit to San Juan Luis Munoz Marin Intl Airport.

How have Detroit to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of October 2025, prices for Detroit to San Juan Luis Munoz Marin Intl Airport flights are approximately 40% more expensive when compared to flights at the same time last year.

When to book flights from Detroit to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Detroit to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Detroit to San Juan Luis Munoz Marin Intl Airport (DTT to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Detroit to San Juan Luis Munoz Marin Intl Airport

Best Price Found

$85

Fastest flight time

4h 17m

Direct flights

Every day
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Detroit in the past 72 hours is $85. The best round-trip flight deal from Detroit to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $374.
The fastest flight from Detroit to San Juan Luis Munoz Marin Intl Airport takes 4h 17m
Direct flights go from Detroit to San Juan Luis Munoz Marin Intl Airport every day.
Search flight deals

  • How far is Detroit to San Juan Luis Munoz Marin Intl by plane?

    A flight from Detroit to San Juan Luis Munoz Marin Intl will travel around 1929.1 mi. By plane, this route typically takes 4h 34m.

  • When did momondo last update prices for flights from Detroit to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Detroit to San Juan Luis Munoz Marin Intl Airport are updated daily.

  • How many operators does momondo search for flights from Detroit to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from Detroit to San Juan Luis Munoz Marin Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Detroit to San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The required travel and health documents for your San Juan Luis Munoz Marin Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Juan Luis Munoz Marin Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Detroit to San Juan Luis Munoz Marin Intl Airport?

  • What is the most popular airline from Detroit to San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from Detroit to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Detroit to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $124Free CancellationRating
5.8
3,128 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $152Free CancellationRating
6.3
8,104 reviews
Search Spirit Airlines flights
DeltaPriceFrom $235Free CancellationRating
7.9
7,983 reviews
Search Delta flights
JetBluePriceFrom $281Free CancellationRating
7.2
2,908 reviews
Search JetBlue flights
American AirlinesPriceFrom $324Free CancellationRating
7.2
11,033 reviews
Search American Airlines flights
United AirlinesPriceFrom $380Free CancellationRating
7.4
8,994 reviews
Search United Airlines flights
SouthwestPriceFrom $399Free CancellationRating
8.0
4,235 reviews
Search Southwest flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Caguas
Humacao
Rio Grande
Bayamón

Why use momondo?

Why should I use momondo to find a flight deal from Detroit to San Juan?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Detroit to San Juan. momondo saves you time and could save you money on your trip.

Can I find flights from Detroit to San Juan with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Detroit to San Juan flights to just show those with flexible booking policies.

How can momondo help me find flights from Detroit to San Juan?

momondo provides multiple filters to help you find the best flight to San Juan from Detroit. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Detroit to San Juan right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Detroit to San Juan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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