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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 - Fri, Feb 27
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
6:55 pm - 12:32 pmDTW-SJU
16h 37m1 stop
Spirit Airlines Logo
4:10 am - 10:03 amSJU-DTW
6h 53m1 stop
$204Spirit Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 7
Spirit Airlines Logo
6:55 pm - 12:32 pmDTW-SJU
16h 37m1 stop
Spirit Airlines Logo
6:00 am - 11:59 pmSJU-DTW
18h 59m1 stop
$205Spirit Airlines
Find Deal
Thu, Dec 11 - Tue, Dec 16
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
4:10 pm - 12:05 amDTW-SJU
6h 55m1 stop
Southwest Logo
6:30 am - 12:20 pmSJU-DTW
6h 50m1 stop
$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

Our best Spirit Airlines deals on Detroit to San Juan 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 5
DTW6:55 pmDetroit Metropolitan Wayne County
16h 37m
1 stop
SJU12:32 pmSan Juan Luis Munoz Marin Intl
Dec 7
SJU4:10 amSan Juan Luis Munoz Marin Intl
6h 53m
1 stop
DTW10:03 amDetroit Metropolitan Wayne County
$204
Find similar

Frontier flights from Detroit to San Juan

Our best Frontier deals on Detroit to San Juan 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 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 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

Fri 2/27

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

Fri 12/5

6:55 pm-12:32 pm

1 stop16h 37m

San Juan Luis Munoz Marin Intl

Sun 12/7

4:10 am-10:03 am

1 stop6h 53m

$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

Tue 12/16

6:00 am-11:59 pm

1 stop18h 59m

$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

4:10 pm-12:05 am

1 stop6h 55m

San Juan Luis Munoz Marin Intl

Fri 2/13

6:30 am-12:20 pm

1 stop6h 50m

$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

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 September is your next best option. Flight prices from Detroit to San Juan during September average around $242.

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 $426. The most expensive day to fly to San Juan is Saturday, with ticket prices averaging around $603.

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 $511 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 $300 on momondo.

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

There are 3 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

1 airport
The fastest flight from Detroit to San Juan takes 4h 17m
Direct flights go from Detroit to San Juan every day.
There is 1 airport near San Juan: 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 34m 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
3,128 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $152Free CancellationRating
6.3
8,105 reviews
Search Spirit Airlines flights
DeltaPriceFrom $235Free CancellationRating
7.9
7,982 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
8,995 reviews
Search United Airlines flights
SouthwestPriceFrom $399Free CancellationRating
8.0
4,236 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