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Cheap flights from Detroit to San Juan from $87

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 3/31. 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
5:45 am - 12:33 pm
DTW
-
SJU
6h 48m
1 stop
Frontier Logo
6:30 am - 9:24 am
SJU
-
DTW
26h 54m
1 stop
$213Frontier
Sat, Apr 11 - Sun, Apr 19
Multiple Airlines Logo
11:02 am - 10:45 pm
DTW
-
SJU
11h 43m
1 stop
Multiple Airlines Logo
12:05 pm - 10:37 pm
SJU
-
DTW
10h 32m
1 stop
$214Multiple Airlines
Wed, Mar 18 - Thu, Mar 26
Spirit Airlines Logo
10:10 am - 5:32 pm
DTW
-
SJU
6h 22m
1 stop
Spirit Airlines Logo
12:55 pm - 11:59 pm
SJU
-
DTW
11h 04m
1 stop
$215Spirit Airlines
Sat, Mar 7 - Thu, Mar 12
Spirit Airlines Logo
5:09 am - 2:04 pm
DTW
-
SJU
7h 55m
1 stop
Spirit Airlines Logo
5:45 pm - 7:49 am
SJU
-
DTW
15h 04m
1 stop
$216Spirit Airlines
Tue, Mar 3 - Thu, Mar 5
Multiple Airlines Logo
6:00 am - 6:45 pm
DTW
-
SJU
12h 45m
1 stop
Multiple Airlines Logo
6:30 am - 12:47 pm
SJU
-
DTW
30h 17m
1 stop
$217Multiple Airlines
Sat, Apr 25 - Tue, Apr 28
Spirit Airlines Logo
7:05 am - 1:39 pm
DTW
-
SJU
6h 34m
1 stop
Spirit Airlines Logo
3:36 pm - 11:59 pm
SJU
-
DTW
8h 23m
1 stop
$218Spirit Airlines
Wed, Apr 15 - Wed, Apr 22
Spirit Airlines Logo
7:45 am - 2:31 pm
DTW
-
SJU
6h 46m
1 stop
Spirit Airlines Logo
9:54 pm - 9:38 am
SJU
-
DTW
11h 44m
1 stop
$219Spirit Airlines
Thu, May 7 - Sun, May 10
Spirit Airlines Logo
6:05 am - 7:50 pm
DTW
-
SJU
13h 45m
1 stop
Spirit Airlines Logo
12:05 pm - 10:37 pm
SJU
-
DTW
10h 32m
1 stop
$220Spirit Airlines
Thu, Apr 2 - Wed, Apr 8
Spirit Airlines Logo
6:10 pm - 9:17 am
DTW
-
SJU
14h 07m
1 stop
Spirit Airlines Logo
7:54 pm - 9:23 am
SJU
-
DTW
13h 29m
1 stop
$221Spirit Airlines
Sat, Mar 7 - Sun, Mar 15
Spirit Airlines Logo
5:15 am - 10:09 pm
DTW
-
SJU
16h 54m
1 stop
Spirit Airlines Logo
11:03 am - 11:59 pm
SJU
-
DTW
12h 56m
1 stop
$222Spirit Airlines
Tue, Mar 10 - Tue, Mar 17

Spirit Airlines flights from Detroit to San Juan

Our best Spirit Airlines deals on Detroit to San Juan flight tickets
Spirit Airlines
Mar 7
DTW10:10 amDetroit Metropolitan Wayne County
6h 22m
1 stop
SJU5:32 pmSan Juan Luis Munoz Marin Intl
Mar 12
SJU12:55 pmSan Juan Luis Munoz Marin Intl
11h 04m
1 stop
DTW11:59 pmDetroit Metropolitan Wayne County
$215
Spirit Airlines
Mar 3
DTW5:09 amDetroit Metropolitan Wayne County
7h 55m
1 stop
SJU2:04 pmSan Juan Luis Munoz Marin Intl
Mar 5
SJU5:45 pmSan Juan Luis Munoz Marin Intl
15h 04m
1 stop
DTW7:49 amDetroit Metropolitan Wayne County
$216
Spirit Airlines
Apr 15
DTW7:05 amDetroit Metropolitan Wayne County
6h 34m
1 stop
SJU1:39 pmSan Juan Luis Munoz Marin Intl
Apr 23
SJU7:00 amSan Juan Luis Munoz Marin Intl
8h 10m
1 stop
DTW3:10 pmDetroit Metropolitan Wayne County
$218

Frontier flights from Detroit to San Juan

Our best Frontier deals on Detroit to San Juan flight tickets
Frontier
Apr 11
DTW5:45 amDetroit Metropolitan Wayne County
6h 48m
1 stop
SJU12:33 pmSan Juan Luis Munoz Marin Intl
Apr 19
SJU6:30 amSan Juan Luis Munoz Marin Intl
26h 54m
1 stop
DTW9:24 amDetroit Metropolitan Wayne County
$213
Frontier
Mar 2
DTW6:08 pmDetroit Metropolitan Wayne County
7h 45m
1 stop
SJU2:53 amSan Juan Luis Munoz Marin Intl
Mar 3
SJU11:07 amSan Juan Luis Munoz Marin Intl
9h 46m
1 stop
DTW7:53 pmDetroit Metropolitan Wayne County
$229
Frontier
Apr 24
DTW10:44 amDetroit Metropolitan Wayne County
13h 56m
1 stop
SJU12:40 amSan Juan Luis Munoz Marin Intl
Apr 27
SJU6:00 amSan Juan Luis Munoz Marin Intl
18h 38m
1 stop
DTW12:38 amDetroit Metropolitan Wayne County
$233

momondo Fare Finder

 
Customize your flight search to find flights from Detroit to San Juan 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 February 21, 2026.
Use the filters below to find and compare flights from Detroit to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 4/11

5:45 am-12:33 pm

1 stop6h 48m

San Juan Luis Munoz Marin Intl

Sun 4/19

6:30 am-9:24 am

1 stop26h 54m

$213

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Wed 3/18

11:02 am-10:45 pm

1 stop11h 43m

San Juan Luis Munoz Marin Intl

Thu 3/26

12:05 pm-10:37 pm

1 stop10h 32m

$214

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 3/7

10:10 am-5:32 pm

1 stop6h 22m

San Juan Luis Munoz Marin Intl

Thu 3/12

12:55 pm-11:59 pm

1 stop11h 04m

$215

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Tue 3/3

5:09 am-2:04 pm

1 stop7h 55m

San Juan Luis Munoz Marin Intl

Thu 3/5

5:45 pm-7:49 am

1 stop15h 04m

$216

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 4/25

6:00 am-6:45 pm

1 stop12h 45m

San Juan Luis Munoz Marin Intl

Tue 4/28

6:30 am-12:47 pm

1 stop30h 17m

$217

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Wed 4/15

7:05 am-1:39 pm

1 stop6h 34m

San Juan Luis Munoz Marin Intl

Wed 4/22

3:36 pm-11:59 pm

1 stop8h 23m

$218

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Thu 5/7

7:45 am-2:31 pm

1 stop6h 46m

San Juan Luis Munoz Marin Intl

Sun 5/10

9:54 pm-9:38 am

1 stop11h 44m

$219

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Thu 4/2

6:05 am-7:50 pm

1 stop13h 45m

San Juan Luis Munoz Marin Intl

Wed 4/8

12:05 pm-10:37 pm

1 stop10h 32m

$220

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 3/7

6:10 pm-9:17 am

1 stop14h 07m

San Juan Luis Munoz Marin Intl

Sun 3/15

7:54 pm-9:23 am

1 stop13h 29m

$221

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Tue 3/10

5:15 am-10:09 pm

1 stop16h 54m

San Juan Luis Munoz Marin Intl

Tue 3/17

11:03 am-11:59 pm

1 stop12h 56m

$222

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Juan from

How to get the cheapest flight ticket from Detroit to San Juan

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?

What is the cheapest month to fly to San Juan?

If you’re not able to fly to San Juan in August, then October is your next best option. Flight prices from Detroit to San Juan during October average around $226.

What is the cheapest day to depart on your flight to San Juan?

The cheapest day to depart from Detroit to San Juan is on a Monday when prices can be found for as low as $415. The most expensive day to fly to San Juan is Saturday, with ticket prices averaging around $536.

What is the cheapest Detroit to San Juan flight route?

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

How far in advance should I book a flight to San Juan?

You are more likely to see cheaper flights to San Juan from Detroit when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan 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 from Detroit for as low as $308 on momondo.

What cabin class options are available on Detroit to San Juan flights?

There are 4 cabin classes available to choose from on Detroit to San Juan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Detroit to San Juan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Detroit to San Juan

Fastest flight time

4h 17m

Direct flights

Every day

Airports in San Juan

2 airports
The fastest flight from Detroit to San Juan takes 4h 17m
Direct flights go from Detroit to San Juan every day.
There are 2 airports in San Juan. From Detroit there are direct flights to San Juan Luis Munoz Marin Intl (SJU).
Search flight deals

  • How far is Detroit to San Juan by plane?

    The distance between Detroit and San Juan is about 1924.3 mi. 4h 17m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Detroit to San Juan?

    Prices for flights from Detroit to San Juan are updated daily.

  • How many operators does momondo search for flights from Detroit to San Juan?

  • How old do you have to be to fly from Detroit to San Juan?

    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.

  • What documentation or ID do you need to fly to San Juan?

    The travel and health documents you'll need for your trip to San Juan may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Juan. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Detroit to San Juan

Compare and see reviews for airlines that fly from Detroit to San Juan with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $130Free CancellationRating
5.7
3,046 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $133Free CancellationRating
6.3
8,482 reviews
Search Spirit Airlines flights
DeltaPriceFrom $203Free CancellationRating
7.9
8,228 reviews
Search Delta flights
JetBluePriceFrom $211Free CancellationRating
7.2
2,898 reviews
Search JetBlue flights
United AirlinesPriceFrom $266Free CancellationRating
7.4
9,335 reviews
Search United Airlines flights
American AirlinesPriceFrom $329Free CancellationRating
7.2
11,334 reviews
Search American Airlines flights
SouthwestPriceFrom $395Free CancellationRating
8.0
4,298 reviews
Search Southwest flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Detroit to San Juan for you.

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

All flight searches from Detroit to San Juan on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Juan from Detroit.

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

Price alerts on flights to San Juan from Detroit are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Puerto Rico

Fly into one of these airports located in San Juan

Airports listed have a maximum distance of 7.1 mi from San Juan
San Juan Isla Grande Airport
San Juan Luis Munoz Marin Intl Airport