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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.
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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.
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
$203Spirit Airlines
Fri, Jan 23 - Thu, Jan 29
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
$204Spirit Airlines
Mon, Jan 19 - Wed, Jan 28
Spirit Airlines Logo
5:15 pm - 9:47 am
DTW
-
SJU
15h 32m1 stop
Spirit Airlines Logo
5:50 pm - 7:56 am
SJU
-
DTW
15h 06m1 stop
$206Spirit Airlines
Mon, Jan 19 - Sat, Jan 31
Frontier Logo
3:12 pm - 1:20 am
DTW
-
SJU
9h 08m1 stop
Frontier Logo
8:00 am - 6:19 pm
SJU
-
DTW
11h 19m2 stops
$207Frontier
Sun, Jan 18 - Thu, Jan 22
Multiple Airlines Logo
10:29 pm - 9:54 am
DTW
-
SJU
10h 25m1 stop
Multiple Airlines Logo
5:45 pm - 7:49 am
SJU
-
DTW
15h 04m1 stop
$208Multiple Airlines
Mon, Mar 2 - Thu, Mar 5
Multiple Airlines Logo
2:06 pm - 3:13 am
DTW
-
SJU
12h 07m1 stop
Multiple Airlines Logo
11:52 am - 6:38 pm
SJU
-
DTW
7h 46m1 stop
$209Multiple Airlines
Sun, Jan 11 - Fri, Feb 13
Spirit Airlines Logo
1:30 pm - 11:09 pm
DTW
-
SJU
8h 39m1 stop
Spirit Airlines Logo
11:52 am - 9:39 pm
SJU
-
DTW
10h 47m1 stop
$210Spirit Airlines
Wed, Feb 18 - Thu, Feb 26
Spirit Airlines Logo
6:05 am - 2:25 pm
DTW
-
SJU
7h 20m1 stop
Spirit Airlines Logo
11:52 am - 9:39 pm
SJU
-
DTW
10h 47m1 stop
$211Spirit Airlines
Thu, Feb 26 - Wed, Mar 4
JetBlue Logo
6:00 am - 2:42 pm
DTW
-
SJU
7h 42m1 stop
JetBlue Logo
3:05 pm - 11:52 pm
SJU
-
DTW
9h 47m1 stop
$212JetBlue
Sat, Feb 28 - Fri, Mar 6
Multiple Airlines Logo
7:43 pm - 10:17 am
DTW
-
SJU
13h 34m1 stop
Multiple Airlines Logo
5:25 pm - 8:04 am
SJU
-
DTW
15h 39m1 stop
$213Multiple Airlines
Fri, Feb 20 - Sat, Feb 28

Spirit Airlines flights from Detroit to San Juan

Our best Spirit Airlines deals on Detroit to San Juan flight tickets
Spirit Airlines
Jan 23
DTW5:15 amDetroit Metropolitan Wayne County
17h 18m
1 stop
SJU11:33 pmSan Juan Luis Munoz Marin Intl
Jan 29
SJU11:52 amSan Juan Luis Munoz Marin Intl
11h 20m
1 stop
DTW10:12 pmDetroit Metropolitan Wayne County
$203
Find similar
Spirit Airlines
Jan 19
DTW5:15 pmDetroit Metropolitan Wayne County
15h 32m
1 stop
SJU9:47 amSan Juan Luis Munoz Marin Intl
Jan 28
SJU6:00 amSan Juan Luis Munoz Marin Intl
8h 52m
1 stop
DTW1:52 pmDetroit Metropolitan Wayne County
$204
Find similar
Spirit Airlines
Jan 19
DTW5:15 pmDetroit Metropolitan Wayne County
15h 32m
1 stop
SJU9:47 amSan Juan Luis Munoz Marin Intl
Jan 31
SJU5:50 pmSan Juan Luis Munoz Marin Intl
15h 06m
1 stop
DTW7:56 amDetroit Metropolitan Wayne County
$206
Find similar

Frontier flights from Detroit to San Juan

Our best Frontier deals on Detroit to San Juan flight tickets
Frontier
Jan 18
DTW3:12 pmDetroit Metropolitan Wayne County
9h 08m
1 stop
SJU1:20 amSan Juan Luis Munoz Marin Intl
Jan 22
SJU8:00 amSan Juan Luis Munoz Marin Intl
11h 19m
2 stops
DTW6:19 pmDetroit Metropolitan Wayne County
$207
Find similar
Frontier
Jan 1
DTW10:49 amDetroit Metropolitan Wayne County
12h 48m
1 stop
SJU12:37 amSan Juan Luis Munoz Marin Intl
Jan 10
SJU7:11 pmSan Juan Luis Munoz Marin Intl
16h 00m
1 stop
DTW10:11 amDetroit Metropolitan Wayne County
$213
Find similar
Frontier
Feb 19
DTW3:09 pmDetroit Metropolitan Wayne County
10h 26m
1 stop
SJU2:35 amSan Juan Luis Munoz Marin Intl
Feb 27
SJU12:27 pmSan Juan Luis Munoz Marin Intl
9h 43m
1 stop
DTW9:10 pmDetroit Metropolitan Wayne County
$215
Find similar

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 December 23, 2025.
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

Fri 1/23

5:15 am-11:33 pm

1 stop17h 18m

San Juan Luis Munoz Marin Intl

Thu 1/29

11:52 am-10:12 pm

1 stop11h 20m

$203

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 1/19

5:15 pm-9:47 am

1 stop15h 32m

San Juan Luis Munoz Marin Intl

Wed 1/28

6:00 am-1:52 pm

1 stop8h 52m

$204

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 1/19

5:15 pm-9:47 am

1 stop15h 32m

San Juan Luis Munoz Marin Intl

Sat 1/31

5:50 pm-7:56 am

1 stop15h 06m

$206

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sun 1/18

3:12 pm-1:20 am

1 stop9h 08m

San Juan Luis Munoz Marin Intl

Thu 1/22

8:00 am-6:19 pm

2 stops11h 19m

$207

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 3/2

10:29 pm-9:54 am

1 stop10h 25m

San Juan Luis Munoz Marin Intl

Thu 3/5

5:45 pm-7:49 am

1 stop15h 04m

$208

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sun 1/11

2:06 pm-3:13 am

1 stop12h 07m

San Juan Luis Munoz Marin Intl

Fri 2/13

11:52 am-6:38 pm

1 stop7h 46m

$209

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Wed 2/18

1:30 pm-11:09 pm

1 stop8h 39m

San Juan Luis Munoz Marin Intl

Thu 2/26

11:52 am-9:39 pm

1 stop10h 47m

$210

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Thu 2/26

6:05 am-2:25 pm

1 stop7h 20m

San Juan Luis Munoz Marin Intl

Wed 3/4

11:52 am-9:39 pm

1 stop10h 47m

$211

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 2/28

6:00 am-2:42 pm

1 stop7h 42m

San Juan Luis Munoz Marin Intl

Fri 3/6

3:05 pm-11:52 pm

1 stop9h 47m

$212

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Fri 2/20

7:43 pm-10:17 am

1 stop13h 34m

San Juan Luis Munoz Marin Intl

Sat 2/28

5:25 pm-8:04 am

1 stop15h 39m

$213

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 October, then August is your next best option. Flight prices from Detroit to San Juan during August average around $235.

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 $422. The most expensive day to fly to San Juan is Saturday, with ticket prices averaging around $589.

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

The cheapest time of day to fly to San Juan is in the evening when flights can be purchased for as low as $262. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $480 on average. Flights to San Juan from Detroit in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $373 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 $280 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 18m

Direct flights

Every day

Airports in San Juan

2 airports
The fastest flight from Detroit to San Juan takes 4h 18m
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 18m 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 $124Free CancellationRating
5.8
3,074 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $147Free CancellationRating
6.3
8,194 reviews
Search Spirit Airlines flights
DeltaPriceFrom $229Free CancellationRating
7.9
8,015 reviews
Search Delta flights
United AirlinesPriceFrom $266Free CancellationRating
7.4
9,106 reviews
Search United Airlines flights
JetBluePriceFrom $281Free CancellationRating
7.2
2,898 reviews
Search JetBlue flights
American AirlinesPriceFrom $329Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
SouthwestPriceFrom $395Free CancellationRating
8.0
4,255 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