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Cheap flights from Detroit to San Juan from $88

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 4/21. 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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Find the cheapest flights from Detroit to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:16 pm - 11:29 pm
DTW
-
SJU
25h 13m
1 stop
Frontier Logo
3:03 am - 12:00 pm
SJU
-
DTW
8h 57m
1 stop
$219Frontier
vr, mei. 1 - do, mei. 7
Frontier Logo
12:55 pm - 12:41 am
DTW
-
SJU
11h 46m
1 stop
Frontier Logo
6:09 pm - 12:00 pm
SJU
-
DTW
17h 51m
1 stop
$222Frontier
do, mei. 14 - ma, mei. 18
Frontier Logo
12:55 pm - 12:41 am
DTW
-
SJU
11h 46m
1 stop
Frontier Logo
6:09 pm - 12:00 pm
SJU
-
DTW
17h 51m
1 stop
$223Frontier
do, mei. 7 - ma, mei. 18
Frontier Logo
10:16 pm - 11:29 pm
DTW
-
SJU
25h 13m
1 stop
Frontier Logo
6:09 pm - 11:45 am
SJU
-
DTW
17h 36m
1 stop
$231Frontier
vr, mei. 1 - vr, mei. 8
Frontier Logo
7:41 pm - 7:56 am
DTW
-
SJU
12h 15m
1 stop
Frontier Logo
6:00 am - 12:51 am
SJU
-
DTW
18h 51m
1 stop
$232Frontier
wo, apr. 8 - za, apr. 11
Multiple Airlines Logo
1:08 pm - 12:02 am
DTW
-
SJU
10h 54m
1 stop
Multiple Airlines Logo
7:54 pm - 9:23 am
SJU
-
DTW
13h 29m
1 stop
$240Multiple Airlines
wo, apr. 1 - di, apr. 7
Frontier Logo
6:57 pm - 11:58 pm
DTW
-
SJU
29h 01m
1 stop
Frontier Logo
5:15 pm - 12:39 am
SJU
-
DTW
7h 24m
1 stop
$244Frontier
za, mei. 23 - wo, mei. 27
Frontier Logo
10:24 am - 1:17 am
DTW
-
SJU
14h 53m
1 stop
Frontier Logo
3:03 am - 12:39 am
SJU
-
DTW
21h 36m
2 stops
$246Frontier
zo, apr. 12 - di, mei. 12
Multiple Airlines Logo
2:20 pm - 2:01 am
DTW
-
SJU
11h 41m
1 stop
Multiple Airlines Logo
9:54 am - 7:02 pm
SJU
-
DTW
9h 08m
1 stop
$247Multiple Airlines
wo, apr. 29 - ma, mei. 4
Multiple Airlines Logo
8:15 pm - 11:58 pm
DTW
-
SJU
27h 43m
1 stop
Multiple Airlines Logo
7:00 am - 6:44 pm
SJU
-
DTW
11h 44m
1 stop
$249Multiple Airlines
ma, apr. 6 - do, 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
May 1
DTW10:16 pmDetroit Metropolitan Wayne County
25h 13m
1 stop
SJU11:29 pmSan Juan Luis Munoz Marin Intl
May 7
SJU3:03 amSan Juan Luis Munoz Marin Intl
8h 57m
1 stop
DTW12:00 pmDetroit Metropolitan Wayne County
$219
Frontier
May 14
DTW12:55 pmDetroit Metropolitan Wayne County
11h 46m
1 stop
SJU12:41 amSan Juan Luis Munoz Marin Intl
May 18
SJU6:09 pmSan Juan Luis Munoz Marin Intl
17h 51m
1 stop
DTW12:00 pmDetroit Metropolitan Wayne County
$222
Frontier
May 7
DTW12:55 pmDetroit Metropolitan Wayne County
11h 46m
1 stop
SJU12:41 amSan Juan Luis Munoz Marin Intl
May 18
SJU6:09 pmSan Juan Luis Munoz Marin Intl
17h 51m
1 stop
DTW12:00 pmDetroit Metropolitan Wayne County
$223

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
Mar 23
DTW5:45 amDetroit Metropolitan Wayne County
13h 10m
1 stop
SJU6:55 pmSan Juan Luis Munoz Marin Intl
Mar 25
SJU7:54 pmSan Juan Luis Munoz Marin Intl
13h 29m
1 stop
DTW9:23 amDetroit Metropolitan Wayne County
$248
Spirit Airlines
Apr 10
DTW6:05 amDetroit Metropolitan Wayne County
13h 45m
1 stop
SJU7:50 pmSan Juan Luis Munoz Marin Intl
Apr 14
SJU11:03 amSan Juan Luis Munoz Marin Intl
11h 34m
2 stops
DTW10:37 pmDetroit Metropolitan Wayne County
$274
Spirit Airlines
Apr 13
DTW6:05 amDetroit Metropolitan Wayne County
13h 45m
1 stop
SJU7:50 pmSan Juan Luis Munoz Marin Intl
May 3
SJU3:21 amSan Juan Luis Munoz Marin Intl
15h 41m
2 stops
DTW7:02 pmDetroit Metropolitan Wayne County
$276

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 maart 20, 2026.
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

Cheapest round-trip

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

vr 5/1

10:16 pm-11:29 pm

1 stop25h 13m

San Juan Luis Munoz Marin Intl

do 5/7

3:03 am-12:00 pm

1 stop8h 57m

$219

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

do 5/14

12:55 pm-12:41 am

1 stop11h 46m

San Juan Luis Munoz Marin Intl

ma 5/18

6:09 pm-12:00 pm

1 stop17h 51m

$222

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

do 5/7

12:55 pm-12:41 am

1 stop11h 46m

San Juan Luis Munoz Marin Intl

ma 5/18

6:09 pm-12:00 pm

1 stop17h 51m

$223

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

vr 5/1

10:16 pm-11:29 pm

1 stop25h 13m

San Juan Luis Munoz Marin Intl

vr 5/8

6:09 pm-11:45 am

1 stop17h 36m

$231

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

wo 4/8

7:41 pm-7:56 am

1 stop12h 15m

San Juan Luis Munoz Marin Intl

za 4/11

6:00 am-12:51 am

1 stop18h 51m

$232

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

wo 4/1

1:08 pm-12:02 am

1 stop10h 54m

San Juan Luis Munoz Marin Intl

di 4/7

7:54 pm-9:23 am

1 stop13h 29m

$240

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

za 5/23

6:57 pm-11:58 pm

1 stop29h 01m

San Juan Luis Munoz Marin Intl

wo 5/27

5:15 pm-12:39 am

1 stop7h 24m

$244

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

zo 4/12

10:24 am-1:17 am

1 stop14h 53m

San Juan Luis Munoz Marin Intl

di 5/12

3:03 am-12:39 am

2 stops21h 36m

$246
Quickest round-trip

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

wo 4/29

2:20 pm-2:01 am

1 stop11h 41m

San Juan Luis Munoz Marin Intl

ma 5/4

9:54 am-7:02 pm

1 stop9h 08m

$247

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

ma 4/6

8:15 pm-11:58 pm

1 stop27h 43m

San Juan Luis Munoz Marin Intl

do 4/16

7:00 am-6:44 pm

1 stop11h 44m

$249

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 October is also cheap. Prices for this month can be found on momondo for an average of $234.

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 Sunday. momondo users have found tickets for Sunday departures for as low as $403. 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 $539.

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 $375 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 $304 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 March 2026, prices for Detroit to San Juan Luis Munoz Marin Intl Airport flights are approximately 24% cheaper 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

$268

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 $268. 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 $542.
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 17m.

  • 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
Spirit AirlinesPriceFrom $130Free CancellationRating
6.3
8,537 reviews
Search Spirit Airlines flights
FrontierPriceFrom $155Free CancellationRating
5.7
3,023 reviews
Search Frontier flights
DeltaPriceFrom $202Free CancellationRating
7.9
8,306 reviews
Search Delta flights
JetBluePriceFrom $211Free CancellationRating
7.2
2,910 reviews
Search JetBlue flights
United AirlinesPriceFrom $266Free CancellationRating
7.4
9,451 reviews
Search United Airlines flights
American AirlinesPriceFrom $329Free CancellationRating
7.1
11,483 reviews
Search American Airlines flights
SouthwestPriceFrom $395Free CancellationRating
8.0
4,324 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 6 flights/week on average for this route. A good Delta flight deal for Detroit to San Juan Luis Munoz Marin Intl Airport starts from $202 round-trip, up to an average price of $535. 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
Caguas
Rio Grande
Humacao
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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