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Cheap flights from Detroit to San Juan from $83

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 11/3. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
4:00 pm - 1:52 amDTW  Detroit Metropolitan Wayne County-SJU San Juan Luis Munoz Marin Intl
9h 52m1 stop Orlando
Multiple Airlines Logo
11:15 am - 11:23 pmSJU  San Juan Luis Munoz Marin Intl-DTW Detroit Metropolitan Wayne County
12h 08m2 stops Orlando Fort Lauderdale
$334Multiple Airlines
Fri, Sep 11 - Sat, Sep 19
Multiple Airlines Logo
3:50 pm - 10:06 amDTW  Detroit Metropolitan Wayne County-SJU San Juan Luis Munoz Marin Intl
18h 16m2 stops Fort Lauderdale Orlando
Multiple Airlines Logo
10:30 am - 11:27 pmSJU  San Juan Luis Munoz Marin Intl-DTW Detroit Metropolitan Wayne County
12h 57m1 stop Fort Lauderdale
$334Multiple Airlines
Tue, Sep 22 - Sat, Oct 3
Frontier Logo
5:21 pm - 2:15 amDTW  Detroit Metropolitan Wayne County-SJU San Juan Luis Munoz Marin Intl
8h 54m1 stop Orlando
Frontier Logo
3:10 am - 4:26 pmSJU  San Juan Luis Munoz Marin Intl-DTW Detroit Metropolitan Wayne County
13h 16m1 stop Orlando
$336Frontier
Tue, Sep 1 - Mon, Sep 7
Frontier Logo
6:42 pm - 2:42 amDTW  Detroit Metropolitan Wayne County-SJU San Juan Luis Munoz Marin Intl
7h 00m1 stop Orlando
Frontier Logo
8:00 am - 8:15 pmSJU  San Juan Luis Munoz Marin Intl-DTW Detroit Metropolitan Wayne County
13h 15m1 stop Orlando
$336Frontier
Sun, Dec 6 - Tue, Dec 15
Southwest Logo
1:30 pm - 12:55 amDTW  Detroit Metropolitan Wayne County-SJU San Juan Luis Munoz Marin Intl
10h 25m2 stops Nashville Intl Orlando
Southwest Logo
6:10 am - 3:15 pmSJU  San Juan Luis Munoz Marin Intl-DTW Detroit Metropolitan Wayne County
10h 05m2 stops Tampa Baltimore/Washington
$340Southwest
Mon, Nov 9 - Wed, Nov 18
Delta Logo
8:27 am - 12:49 pmDTW  Detroit Metropolitan Wayne County-SJU San Juan Luis Munoz Marin Intl
4h 22mnonstop
Delta Logo
2:00 pm - 6:42 pmSJU  San Juan Luis Munoz Marin Intl-DTW Detroit Metropolitan Wayne County
4h 42mnonstop
$347Delta
Sat, Oct 17 - Sat, Oct 24
Delta Logo
8:42 am - 1:16 pmDTW  Detroit Metropolitan Wayne County-SJU San Juan Luis Munoz Marin Intl
4h 34mnonstop
Delta Logo
2:00 pm - 6:42 pmSJU  San Juan Luis Munoz Marin Intl-DTW Detroit Metropolitan Wayne County
4h 42mnonstop
$347Delta
Sat, Oct 3 - Sat, Oct 10
Southwest Logo
8:35 am - 10:40 pmDTW  Detroit Metropolitan Wayne County-SJU San Juan Luis Munoz Marin Intl
13h 05m2 stops Chicago Midway Tampa
Southwest Logo
2:20 pm - 12:05 amSJU  San Juan Luis Munoz Marin Intl-DTW Detroit Metropolitan Wayne County
10h 45m2 stops Nashville Intl Baltimore/Washington
$347Southwest
Mon, Feb 8 - Thu, Feb 11
American Airlines Logo
6:00 am - 8:47 pmDTW  Detroit Metropolitan Wayne County-SJU San Juan Luis Munoz Marin Intl
14h 47m2 stops New York LaGuardia Miami
American Airlines Logo
6:00 am - 5:30 pmSJU  San Juan Luis Munoz Marin Intl-DTW Detroit Metropolitan Wayne County
11h 30m2 stops Miami Charlotte Douglas
$351American Airlines
Tue, Sep 15 - Wed, Sep 16
American Airlines Logo
7:23 pm - 11:00 amDTW  Detroit Metropolitan Wayne County-SJU San Juan Luis Munoz Marin Intl
15h 37m2 stops Philadelphia Miami
American Airlines Logo
7:30 am - 2:52 pmSJU  San Juan Luis Munoz Marin Intl-DTW Detroit Metropolitan Wayne County
7h 22m1 stop Philadelphia
$356American Airlines
Sat, Oct 3 - Sat, Oct 10

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Frontier flights from Detroit to San Juan

Our best Frontier deals on Detroit to San Juan flight tickets
Frontier
Dec 6
DTW6:42 pmDetroit Metropolitan Wayne County
7h 00m
1 stop
SJU2:42 amSan Juan Luis Munoz Marin Intl
Dec 15
SJU8:00 amSan Juan Luis Munoz Marin Intl
13h 15m
1 stop
DTW8:15 pmDetroit Metropolitan Wayne County
$336
Frontier
Sep 24
DTW3:25 pmDetroit Metropolitan Wayne County
23h 54m
1 stop
SJU3:19 pmSan Juan Luis Munoz Marin Intl
Sep 28
SJU11:54 amSan Juan Luis Munoz Marin Intl
24h 11m
2 stops
DTW12:05 pmDetroit Metropolitan Wayne County
$339
Frontier
Oct 30
DTW2:02 pmDetroit Metropolitan Wayne County
9h 48m
1 stop
SJU11:50 pmSan Juan Luis Munoz Marin Intl
Nov 7
SJU8:24 pmSan Juan Luis Munoz Marin Intl
19h 15m
2 stops
DTW2:39 pmDetroit Metropolitan Wayne County
$340

American Airlines flights from Detroit to San Juan

Our best American Airlines deals on Detroit to San Juan flight tickets
American Airlines
Sep 22
DTW6:00 amDetroit Metropolitan Wayne County
14h 47m
2 stops
SJU8:47 pmSan Juan Luis Munoz Marin Intl
Oct 3
SJU10:16 amSan Juan Luis Munoz Marin Intl
13h 36m
2 stops
DTW11:52 pmDetroit Metropolitan Wayne County
$356
American Airlines
Sep 1
DTW6:40 amDetroit Metropolitan Wayne County
11h 53m
2 stops
SJU6:33 pmSan Juan Luis Munoz Marin Intl
Sep 5
SJU12:55 amSan Juan Luis Munoz Marin Intl
8h 34m
1 stop
DTW9:29 amDetroit Metropolitan Wayne County
$357
American Airlines
Sep 23
DTW6:34 amDetroit Metropolitan Wayne County
14h 13m
2 stops
SJU8:47 pmSan Juan Luis Munoz Marin Intl
Sep 30
SJU2:22 pmSan Juan Luis Munoz Marin Intl
9h 30m
1 stop
DTW11:52 pmDetroit Metropolitan Wayne County
$361

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 August 15, 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 Detroit Metropolitan Wayne County - SJU San Juan Luis Munoz Marin Intl

DTWSJU

Detroit Metropolitan Wayne County

Fri 9/11

4:00 pm-1:52 am

1 stop9h 52m

San Juan Luis Munoz Marin Intl

Sat 9/19

11:15 am-11:23 pm

2 stops12h 08m

$334

DetroitSan Juan

DTW Detroit Metropolitan Wayne County - SJU San Juan Luis Munoz Marin Intl

DTWSJU

Detroit Metropolitan Wayne County

Tue 9/22

3:50 pm-10:06 am

2 stops18h 16m

San Juan Luis Munoz Marin Intl

Sat 10/3

10:30 am-11:27 pm

1 stop12h 57m

$334

DetroitSan Juan

DTW Detroit Metropolitan Wayne County - SJU San Juan Luis Munoz Marin Intl

DTWSJU

Detroit Metropolitan Wayne County

Tue 9/1

5:21 pm-2:15 am

1 stop8h 54m

San Juan Luis Munoz Marin Intl

Mon 9/7

3:10 am-4:26 pm

1 stop13h 16m

$336

DetroitSan Juan

DTW Detroit Metropolitan Wayne County - SJU San Juan Luis Munoz Marin Intl

DTWSJU

Detroit Metropolitan Wayne County

Sun 12/6

6:42 pm-2:42 am

1 stop7h 00m

San Juan Luis Munoz Marin Intl

Tue 12/15

8:00 am-8:15 pm

1 stop13h 15m

$336

DetroitSan Juan

DTW Detroit Metropolitan Wayne County - SJU San Juan Luis Munoz Marin Intl

DTWSJU

Detroit Metropolitan Wayne County

Mon 11/9

1:30 pm-12:55 am

2 stops10h 25m

San Juan Luis Munoz Marin Intl

Wed 11/18

6:10 am-3:15 pm

2 stops10h 05m

$340
Quickest round-trip

DetroitSan Juan

DTW Detroit Metropolitan Wayne County - SJU San Juan Luis Munoz Marin Intl

DTWSJU

Detroit Metropolitan Wayne County

Sat 10/17

8:27 am-12:49 pm

Nonstop4h 22m

San Juan Luis Munoz Marin Intl

Sat 10/24

2:00 pm-6:42 pm

Nonstop4h 42m

$347

DetroitSan Juan

DTW Detroit Metropolitan Wayne County - SJU San Juan Luis Munoz Marin Intl

DTWSJU

Detroit Metropolitan Wayne County

Sat 10/3

8:42 am-1:16 pm

Nonstop4h 34m

San Juan Luis Munoz Marin Intl

Sat 10/10

2:00 pm-6:42 pm

Nonstop4h 42m

$347

DetroitSan Juan

DTW Detroit Metropolitan Wayne County - SJU San Juan Luis Munoz Marin Intl

DTWSJU

Detroit Metropolitan Wayne County

Mon 2/8

8:35 am-10:40 pm

2 stops13h 05m

San Juan Luis Munoz Marin Intl

Thu 2/11

2:20 pm-12:05 am

2 stops10h 45m

$347

DetroitSan Juan

DTW Detroit Metropolitan Wayne County - SJU San Juan Luis Munoz Marin Intl

DTWSJU

Detroit Metropolitan Wayne County

Tue 9/15

6:00 am-8:47 pm

2 stops14h 47m

San Juan Luis Munoz Marin Intl

Wed 9/16

6:00 am-5:30 pm

2 stops11h 30m

$351

DetroitSan Juan

DTW Detroit Metropolitan Wayne County - SJU San Juan Luis Munoz Marin Intl

DTWSJU

Detroit Metropolitan Wayne County

Sat 10/3

7:23 pm-11:00 am

2 stops15h 37m

San Juan Luis Munoz Marin Intl

Sat 10/10

7:30 am-2:52 pm

1 stop7h 22m

$356

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?

Prices are currently low for flights on this route.

Typical prices usually range from $340 to $456.
The lowest price recently found on this route was $334.

What is the cheapest month to fly to San Juan?

If you’re not able to fly to San Juan in October, then September is your next best option. Flight prices from Detroit to San Juan during September average around $332.

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 Tuesday when prices can be found for as low as $565. The most expensive day to fly to San Juan is Friday, with ticket prices averaging around $681.

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 from Detroit 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 $432 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 $373 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

2 airports
The fastest flight from Detroit to San Juan takes 4h 19m
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

Frequently asked questions about flying from Detroit to San Juan

  • How far is Detroit to San Juan by plane?

    The distance between Detroit and San Juan is about 1924.3 mi. 4h 19m 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 $177Free CancellationRating
5.6
2,694 reviews
Search Frontier flights
JetBluePriceFrom $212Free CancellationRating
7.1
3,037 reviews
Search JetBlue flights
DeltaPriceFrom $237Free CancellationRating
7.8
8,509 reviews
Search Delta flights
United AirlinesPriceFrom $266Free CancellationRating
7.4
10,112 reviews
Search United Airlines flights
American AirlinesPriceFrom $324Free CancellationRating
7.1
11,939 reviews
Search American Airlines flights
SouthwestPriceFrom $395Free CancellationRating
8.0
4,220 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