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Cheap flights from Detroit to San Juan from $101

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 12/29. 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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Find the cheapest flights from Detroit to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:16 pm - 11:59 pm
DTW
-
SJU
7h 43m1 stop
Multiple Airlines Logo
11:52 am - 10:12 pm
SJU
-
DTW
11h 20m1 stop
$208Multiple Airlines
Sat, Jan 24 - Sun, Feb 1
Frontier Logo
4:07 pm - 9:55 am
DTW
-
SJU
16h 48m1 stop
Frontier Logo
6:00 am - 9:50 am
SJU
-
DTW
28h 50m1 stop
$209Frontier
Sat, Feb 28 - Sat, Mar 7
Spirit Airlines Logo
7:42 pm - 10:33 am
DTW
-
SJU
13h 51m1 stop
Spirit Airlines Logo
12:53 pm - 12:42 am
SJU
-
DTW
12h 49m1 stop
$210Spirit Airlines
Sat, Dec 13 - Sat, Dec 20
Spirit Airlines Logo
7:59 am - 11:25 pm
DTW
-
SJU
14h 26m1 stop
Spirit Airlines Logo
4:10 am - 10:08 am
SJU
-
DTW
6h 58m1 stop
$211Spirit Airlines
Sun, Dec 14 - Sun, Dec 14
Spirit Airlines Logo
7:49 am - 12:45 am
DTW
-
SJU
15h 56m1 stop
Spirit Airlines Logo
12:53 pm - 12:42 am
SJU
-
DTW
12h 49m1 stop
$212Spirit Airlines
Mon, Dec 15 - Wed, Dec 24
Multiple Airlines Logo
10:08 pm - 4:25 pm
DTW
-
SJU
17h 17m1 stop
Multiple Airlines Logo
11:52 am - 9:41 pm
SJU
-
DTW
10h 49m1 stop
$213Multiple Airlines
Sat, Feb 7 - Thu, Feb 26
Multiple Airlines Logo
7:00 am - 11:33 pm
DTW
-
SJU
15h 33m1 stop
Multiple Airlines Logo
7:10 am - 5:09 pm
SJU
-
DTW
10h 59m1 stop
$214Multiple Airlines
Sun, Feb 1 - Sat, Feb 7
Multiple Airlines Logo
5:00 am - 4:13 pm
DTW
-
SJU
10h 13m1 stop
Multiple Airlines Logo
4:40 pm - 11:59 pm
SJU
-
DTW
8h 19m1 stop
$215Multiple Airlines
Mon, Jan 12 - Sat, Jan 24
Spirit Airlines Logo
8:16 am - 5:23 pm
DTW
-
SJU
8h 07m1 stop
Spirit Airlines Logo
5:50 pm - 7:56 am
SJU
-
DTW
15h 06m1 stop
$216Spirit Airlines
Tue, Jan 6 - Sun, Jan 11
Spirit Airlines Logo
8:00 am - 3:35 pm
DTW
-
SJU
6h 35m1 stop
Spirit Airlines Logo
11:52 am - 10:12 pm
SJU
-
DTW
11h 20m1 stop
$217Spirit Airlines
Sun, Jan 11 - Fri, Jan 23

Spirit Airlines flights from Detroit to San Juan

Our best Spirit Airlines deals on Detroit to San Juan flight tickets
Spirit Airlines
Dec 13
DTW7:42 pmDetroit Metropolitan Wayne County
13h 51m
1 stop
SJU10:33 amSan Juan Luis Munoz Marin Intl
Dec 21
SJU12:53 pmSan Juan Luis Munoz Marin Intl
12h 49m
1 stop
DTW12:42 amDetroit Metropolitan Wayne County
$210
Find similar
Spirit Airlines
Dec 14
DTW7:59 amDetroit Metropolitan Wayne County
14h 26m
1 stop
SJU11:25 pmSan Juan Luis Munoz Marin Intl
Dec 14
SJU4:10 amSan Juan Luis Munoz Marin Intl
6h 58m
1 stop
DTW10:08 amDetroit Metropolitan Wayne County
$211
Find similar
Spirit Airlines
Jan 14
DTW5:15 pmDetroit Metropolitan Wayne County
15h 32m
1 stop
SJU9:47 amSan Juan Luis Munoz Marin Intl
Jan 20
SJU6:00 amSan Juan Luis Munoz Marin Intl
8h 52m
1 stop
DTW1:52 pmDetroit Metropolitan Wayne County
$212
Find similar

Frontier flights from Detroit to San Juan

Our best Frontier deals on Detroit to San Juan flight tickets
Frontier
Feb 28
DTW4:07 pmDetroit Metropolitan Wayne County
16h 48m
1 stop
SJU9:55 amSan Juan Luis Munoz Marin Intl
Mar 7
SJU6:00 amSan Juan Luis Munoz Marin Intl
28h 50m
1 stop
DTW9:50 amDetroit Metropolitan Wayne County
$209
Find similar
Frontier
Jan 5
DTW2:43 pmDetroit Metropolitan Wayne County
10h 56m
1 stop
SJU2:39 amSan Juan Luis Munoz Marin Intl
Jan 9
SJU1:52 pmSan Juan Luis Munoz Marin Intl
7h 03m
1 stop
DTW7:55 pmDetroit Metropolitan Wayne County
$235
Find similar
Frontier
Feb 19
DTW6:07 pmDetroit Metropolitan Wayne County
7h 43m
1 stop
SJU2:50 amSan Juan Luis Munoz Marin Intl
Mar 1
SJU9:37 pmSan Juan Luis Munoz Marin Intl
11h 28m
1 stop
DTW8:05 amDetroit Metropolitan Wayne County
$236
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 8, 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

Sat 1/24

3:16 pm-11:59 pm

1 stop7h 43m

San Juan Luis Munoz Marin Intl

Sun 2/1

11:52 am-10:12 pm

1 stop11h 20m

$208

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 2/28

4:07 pm-9:55 am

1 stop16h 48m

San Juan Luis Munoz Marin Intl

Sat 3/7

6:00 am-9:50 am

1 stop28h 50m

$209

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 12/13

7:42 pm-10:33 am

1 stop13h 51m

San Juan Luis Munoz Marin Intl

Sat 12/20

12:53 pm-12:42 am

1 stop12h 49m

$210

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sun 12/14

7:59 am-11:25 pm

1 stop14h 26m

San Juan Luis Munoz Marin Intl

Sun 12/14

4:10 am-10:08 am

1 stop6h 58m

$211

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 12/15

7:49 am-12:45 am

1 stop15h 56m

San Juan Luis Munoz Marin Intl

Wed 12/24

12:53 pm-12:42 am

1 stop12h 49m

$212

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 2/7

10:08 pm-4:25 pm

1 stop17h 17m

San Juan Luis Munoz Marin Intl

Thu 2/26

11:52 am-9:41 pm

1 stop10h 49m

$213

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

Sat 2/7

7:10 am-5:09 pm

1 stop10h 59m

$214

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 1/12

5:00 am-4:13 pm

1 stop10h 13m

San Juan Luis Munoz Marin Intl

Sat 1/24

4:40 pm-11:59 pm

1 stop8h 19m

$215

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Tue 1/6

8:16 am-5:23 pm

1 stop8h 07m

San Juan Luis Munoz Marin Intl

Sun 1/11

5:50 pm-7:56 am

1 stop15h 06m

$216

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sun 1/11

8:00 am-3:35 pm

1 stop6h 35m

San Juan Luis Munoz Marin Intl

Fri 1/23

11:52 am-10:12 pm

1 stop11h 20m

$217

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 $608.

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 $487 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 $279 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 19m

Direct flights

Every day

Airports in San Juan

1 airport
The fastest flight from Detroit to San Juan takes 4h 19m
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. 6h 31m 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
3,087 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $148Free CancellationRating
6.3
8,166 reviews
Search Spirit Airlines flights
DeltaPriceFrom $232Free CancellationRating
7.9
8,010 reviews
Search Delta flights
United AirlinesPriceFrom $266Free CancellationRating
7.4
9,078 reviews
Search United Airlines flights
JetBluePriceFrom $281Free CancellationRating
7.2
2,896 reviews
Search JetBlue flights
American AirlinesPriceFrom $329Free CancellationRating
7.2
11,044 reviews
Search American Airlines flights
SouthwestPriceFrom $395Free CancellationRating
8.0
4,252 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