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Cheap flights from Detroit to San Juan from $102

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 1/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:27 am - 9:37 pm
DTW
-
SJU
10h 10m1 stop
Multiple Airlines Logo
4:40 pm - 10:44 pm
SJU
-
DTW
7h 04m1 stop
$208Multiple Airlines
Thu, Jan 8 - Wed, Jan 14
Spirit Airlines Logo
5:15 am - 11:33 pm
DTW
-
SJU
17h 18m1 stop
Spirit Airlines Logo
11:52 am - 10:12 pm
SJU
-
DTW
11h 20m1 stop
$209Spirit Airlines
Thu, Jan 22 - Mon, Jan 26
Frontier Logo
11:41 am - 11:26 pm
DTW
-
SJU
10h 45m1 stop
Frontier Logo
3:58 am - 11:24 am
SJU
-
DTW
8h 26m1 stop
$210Frontier
Fri, Jan 9 - Fri, Jan 16
Spirit Airlines Logo
7:45 am - 10:05 pm
DTW
-
SJU
13h 20m1 stop
Spirit Airlines Logo
5:50 pm - 7:56 am
SJU
-
DTW
15h 06m1 stop
$211Spirit Airlines
Wed, Jan 7 - Wed, Jan 14
Multiple Airlines Logo
9:26 am - 6:58 pm
DTW
-
SJU
8h 32m1 stop
Multiple Airlines Logo
7:10 am - 5:09 pm
SJU
-
DTW
10h 59m1 stop
$212Multiple Airlines
Thu, Feb 26 - Wed, Mar 4
Spirit Airlines Logo
7:00 am - 11:33 pm
DTW
-
SJU
15h 33m1 stop
Spirit Airlines Logo
6:00 am - 4:06 pm
SJU
-
DTW
11h 06m1 stop
$213Spirit Airlines
Sun, Feb 1 - Wed, Feb 11
Multiple Airlines Logo
5:10 am - 4:13 pm
DTW
-
SJU
10h 03m1 stop
Multiple Airlines Logo
4:40 pm - 10:44 pm
SJU
-
DTW
7h 04m1 stop
$214Multiple Airlines
Wed, Jan 7 - Tue, Jan 13
Frontier Logo
5:20 pm - 1:21 am
DTW
-
SJU
7h 01m1 stop
Frontier Logo
9:04 pm - 9:27 am
SJU
-
DTW
13h 23m1 stop
$215Frontier
Fri, Jan 9 - Thu, Jan 15
Spirit Airlines Logo
5:15 pm - 9:47 am
DTW
-
SJU
15h 32m1 stop
Spirit Airlines Logo
6:00 am - 1:52 pm
SJU
-
DTW
8h 52m1 stop
$216Spirit Airlines
Fri, Jan 30 - Tue, Feb 3
Spirit Airlines Logo
1:51 pm - 10:03 pm
DTW
-
SJU
8h 12m1 stop
Spirit Airlines Logo
9:49 pm - 9:25 am
SJU
-
DTW
11h 36m1 stop
$217Spirit Airlines
Wed, Apr 8 - Thu, Apr 16

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
Jan 9
DTW5:20 pmDetroit Metropolitan Wayne County
7h 01m
1 stop
SJU1:21 amSan Juan Luis Munoz Marin Intl
Jan 15
SJU9:04 pmSan Juan Luis Munoz Marin Intl
13h 23m
1 stop
DTW9:27 amDetroit Metropolitan Wayne County
$215
Find similar
Frontier
Dec 22
DTW2:43 pmDetroit Metropolitan Wayne County
16h 56m
1 stop
SJU8:39 amSan Juan Luis Munoz Marin Intl
Dec 29
SJU9:06 pmSan Juan Luis Munoz Marin Intl
19h 41m
1 stop
DTW3:47 pmDetroit Metropolitan Wayne County
$231
Find similar
Frontier
Mar 1
DTW10:29 pmDetroit Metropolitan Wayne County
10h 25m
1 stop
SJU9:54 amSan Juan Luis Munoz Marin Intl
Mar 9
SJU6:25 amSan Juan Luis Munoz Marin Intl
13h 57m
1 stop
DTW8:22 pmDetroit Metropolitan Wayne County
$234
Find similar

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 5
DTW5:15 amDetroit Metropolitan Wayne County
17h 18m
1 stop
SJU11:33 pmSan Juan Luis Munoz Marin Intl
Feb 9
SJU4:40 pmSan Juan Luis Munoz Marin Intl
7h 04m
1 stop
DTW10:44 pmDetroit Metropolitan Wayne County
$209
Find similar
Spirit Airlines
Jan 7
DTW7:45 amDetroit Metropolitan Wayne County
13h 20m
1 stop
SJU10:05 pmSan Juan Luis Munoz Marin Intl
Jan 14
SJU5:50 pmSan Juan Luis Munoz Marin Intl
15h 06m
1 stop
DTW7:56 amDetroit Metropolitan Wayne County
$211
Find similar
Spirit Airlines
Jan 30
DTW5:15 amDetroit Metropolitan Wayne County
17h 18m
1 stop
SJU11:33 pmSan Juan Luis Munoz Marin Intl
Feb 3
SJU4:40 pmSan Juan Luis Munoz Marin Intl
7h 04m
1 stop
DTW10:44 pmDetroit Metropolitan Wayne County
$212
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 December 18, 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

Thu 1/8

10:27 am-9:37 pm

1 stop10h 10m

San Juan Luis Munoz Marin Intl

Wed 1/14

4:40 pm-10:44 pm

1 stop7h 04m

$208

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Thu 1/22

5:15 am-11:33 pm

1 stop17h 18m

San Juan Luis Munoz Marin Intl

Mon 1/26

11:52 am-10:12 pm

1 stop11h 20m

$209

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Fri 1/9

11:41 am-11:26 pm

1 stop10h 45m

San Juan Luis Munoz Marin Intl

Fri 1/16

3:58 am-11:24 am

1 stop8h 26m

$210

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Wed 1/7

7:45 am-10:05 pm

1 stop13h 20m

San Juan Luis Munoz Marin Intl

Wed 1/14

5:50 pm-7:56 am

1 stop15h 06m

$211

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Thu 2/26

9:26 am-6:58 pm

1 stop8h 32m

San Juan Luis Munoz Marin Intl

Wed 3/4

7:10 am-5:09 pm

1 stop10h 59m

$212

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sun 2/1

7:00 am-11:33 pm

1 stop15h 33m

San Juan Luis Munoz Marin Intl

Wed 2/11

6:00 am-4:06 pm

1 stop11h 06m

$213

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Wed 1/7

5:10 am-4:13 pm

1 stop10h 03m

San Juan Luis Munoz Marin Intl

Tue 1/13

4:40 pm-10:44 pm

1 stop7h 04m

$214

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Fri 1/9

5:20 pm-1:21 am

1 stop7h 01m

San Juan Luis Munoz Marin Intl

Thu 1/15

9:04 pm-9:27 am

1 stop13h 23m

$215

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Fri 1/30

5:15 pm-9:47 am

1 stop15h 32m

San Juan Luis Munoz Marin Intl

Tue 2/3

6:00 am-1:52 pm

1 stop8h 52m

$216

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Wed 4/8

1:51 pm-10:03 pm

1 stop8h 12m

San Juan Luis Munoz Marin Intl

Thu 4/16

9:49 pm-9:25 am

1 stop11h 36m

$217

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 October, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $235.

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 $422. 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 $597.

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 $482.

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 $374 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 $279 on momondo.

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

There are 4 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 December 2025, prices for Detroit to San Juan Luis Munoz Marin Intl Airport flights are approximately 102% 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

$273

Fastest flight time

4h 19m

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 $273. 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 $439.
The fastest flight from Detroit to San Juan Luis Munoz Marin Intl Airport takes 4h 19m
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 19m.

  • 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
3,081 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $148Free CancellationRating
6.3
8,190 reviews
Search Spirit Airlines flights
DeltaPriceFrom $231Free CancellationRating
7.9
8,009 reviews
Search Delta flights
United AirlinesPriceFrom $266Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights
JetBluePriceFrom $281Free CancellationRating
7.2
2,897 reviews
Search JetBlue flights
American AirlinesPriceFrom $329Free CancellationRating
7.2
11,055 reviews
Search American Airlines flights
SouthwestPriceFrom $395Free CancellationRating
7.9
4,250 reviews
Search Southwest flights

  • Delta Flights From Detroit to San Juan Luis Munoz Marin Intl Airport

    Delta is one of the most popular airlines flying from Detroit to San Juan Luis Munoz Marin Intl Airport, operating 5 flights/week on average for this route. A good Delta flight deal for Detroit to San Juan Luis Munoz Marin Intl Airport starts from $231 round-trip, up to an average price of $573. Our users have rated Delta at 7.9/10.

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
Humacao
Caguas
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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