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Cheap flights from Detroit to San Juan from $92

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 4/13. 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
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
Thu, May 7 - Mon, May 18
Frontier Logo
10:10 pm - 2:27 pm
DTW
-
SJU
16h 17m
1 stop
Frontier Logo
3:35 pm - 11:49 am
SJU
-
DTW
20h 14m
1 stop
$230Frontier
Sun, May 3 - Sun, May 10
Frontier Logo
10:16 pm - 11:29 pm
DTW
-
SJU
25h 13m
1 stop
Frontier Logo
3:03 am - 11:45 am
SJU
-
DTW
8h 42m
1 stop
$231Frontier
Fri, May 1 - Fri, May 8
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
$236Multiple Airlines
Wed, Apr 1 - Tue, Apr 7
Multiple Airlines Logo
6:05 am - 7:50 pm
DTW
-
SJU
13h 45m
1 stop
Multiple Airlines Logo
11:30 am - 11:38 am
SJU
-
DTW
24h 08m
2 stops
$240Multiple Airlines
Mon, Apr 13 - Tue, Apr 21
Frontier Logo
10:19 am - 11:43 pm
DTW
-
SJU
13h 24m
1 stop
Frontier Logo
8:00 am - 9:14 am
SJU
-
DTW
25h 14m
1 stop
$241Frontier
Fri, Apr 17 - Sat, Apr 18
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
Sat, May 23 - Wed, May 27
Multiple Airlines Logo
7:41 pm - 7:56 am
DTW
-
SJU
12h 15m
1 stop
Multiple Airlines Logo
7:54 pm - 12:39 am
SJU
-
DTW
28h 45m
1 stop
$247Multiple Airlines
Wed, Apr 1 - Mon, Apr 6
Spirit Airlines Logo
6:05 am - 7:50 pm
DTW
-
SJU
13h 45m
1 stop
Spirit Airlines Logo
11:03 am - 10:37 pm
SJU
-
DTW
11h 34m
2 stops
$248Spirit Airlines
Wed, Apr 8 - Thu, Apr 9
Multiple Airlines Logo
6:05 am - 7:50 pm
DTW
-
SJU
13h 45m
1 stop
Multiple Airlines Logo
7:54 pm - 11:46 pm
SJU
-
DTW
27h 52m
1 stop
$250Multiple Airlines
Sat, Apr 11 - Tue, Apr 14

Frontier flights from Detroit to San Juan

Our best Frontier deals on Detroit to San Juan flight tickets
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
Frontier
May 3
DTW10:10 pmDetroit Metropolitan Wayne County
16h 17m
1 stop
SJU2:27 pmSan Juan Luis Munoz Marin Intl
May 10
SJU3:35 pmSan Juan Luis Munoz Marin Intl
20h 14m
1 stop
DTW11:49 amDetroit Metropolitan Wayne County
$230
Frontier
May 1
DTW10:16 pmDetroit Metropolitan Wayne County
25h 13m
1 stop
SJU11:29 pmSan Juan Luis Munoz Marin Intl
May 8
SJU3:03 amSan Juan Luis Munoz Marin Intl
8h 42m
1 stop
DTW11:45 amDetroit Metropolitan Wayne County
$231

Spirit Airlines flights from Detroit to San Juan

Our best Spirit Airlines deals on Detroit to San Juan flight tickets
Spirit Airlines
Apr 8
DTW6:05 amDetroit Metropolitan Wayne County
13h 45m
1 stop
SJU7:50 pmSan Juan Luis Munoz Marin Intl
Apr 9
SJU11:03 amSan Juan Luis Munoz Marin Intl
11h 34m
2 stops
DTW10:37 pmDetroit Metropolitan Wayne County
$248
Spirit Airlines
Apr 9
DTW5:34 pmDetroit Metropolitan Wayne County
26h 16m
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
$255
Spirit Airlines
Apr 13
DTW6:05 amDetroit Metropolitan Wayne County
13h 45m
1 stop
SJU7:50 pmSan Juan Luis Munoz Marin Intl
May 4
SJU9:54 amSan Juan Luis Munoz Marin Intl
9h 08m
1 stop
DTW7:02 pmDetroit Metropolitan Wayne County
$256

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 March 18, 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

Cheapest round-trip

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Thu 5/7

12:55 pm-12:41 am

1 stop11h 46m

San Juan Luis Munoz Marin Intl

Mon 5/18

6:09 pm-12:00 pm

1 stop17h 51m

$223

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sun 5/3

10:10 pm-2:27 pm

1 stop16h 17m

San Juan Luis Munoz Marin Intl

Sun 5/10

3:35 pm-11:49 am

1 stop20h 14m

$230

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Fri 5/1

10:16 pm-11:29 pm

1 stop25h 13m

San Juan Luis Munoz Marin Intl

Fri 5/8

3:03 am-11:45 am

1 stop8h 42m

$231
Quickest round-trip

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Wed 4/1

1:08 pm-12:02 am

1 stop10h 54m

San Juan Luis Munoz Marin Intl

Tue 4/7

7:54 pm-9:23 am

1 stop13h 29m

$236

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 4/13

6:05 am-7:50 pm

1 stop13h 45m

San Juan Luis Munoz Marin Intl

Tue 4/21

11:30 am-11:38 am

2 stops24h 08m

$240

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Fri 4/17

10:19 am-11:43 pm

1 stop13h 24m

San Juan Luis Munoz Marin Intl

Sat 4/18

8:00 am-9:14 am

1 stop25h 14m

$241

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 5/23

6:57 pm-11:58 pm

1 stop29h 01m

San Juan Luis Munoz Marin Intl

Wed 5/27

5:15 pm-12:39 am

1 stop7h 24m

$244

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Wed 4/1

7:41 pm-7:56 am

1 stop12h 15m

San Juan Luis Munoz Marin Intl

Mon 4/6

7:54 pm-12:39 am

1 stop28h 45m

$247

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Wed 4/8

6:05 am-7:50 pm

1 stop13h 45m

San Juan Luis Munoz Marin Intl

Thu 4/9

11:03 am-10:37 pm

2 stops11h 34m

$248

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 4/11

6:05 am-7:50 pm

1 stop13h 45m

San Juan Luis Munoz Marin Intl

Tue 4/14

7:54 pm-11:46 pm

1 stop27h 52m

$250

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 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 $234.

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 Sunday when prices can be found for as low as $403. The most expensive day to fly to San Juan is Saturday, with ticket prices averaging around $539.

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 $375 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 $304 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
Spirit AirlinesPriceFrom $130Free CancellationRating
6.3
8,523 reviews
Search Spirit Airlines flights
FrontierPriceFrom $155Free CancellationRating
5.7
3,025 reviews
Search Frontier flights
DeltaPriceFrom $202Free CancellationRating
7.9
8,286 reviews
Search Delta flights
JetBluePriceFrom $211Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
United AirlinesPriceFrom $266Free CancellationRating
7.4
9,435 reviews
Search United Airlines flights
American AirlinesPriceFrom $329Free CancellationRating
7.1
11,468 reviews
Search American Airlines flights
SouthwestPriceFrom $395Free CancellationRating
8.0
4,320 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