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Cheap flights from Detroit to San Juan from $69

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 12/7. 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
10:26 am - 1:06 amDTW-SJU
13h 40m1 stop
Multiple Airlines Logo
8:00 am - 7:02 pmSJU-DTW
12h 02m1 stop
$183Multiple Airlines
Find Deal
Thu, Nov 20 - Mon, Nov 24
Spirit Airlines Logo
6:10 am - 2:42 pmDTW-SJU
7h 32m1 stop
Spirit Airlines Logo
8:00 am - 7:02 pmSJU-DTW
12h 02m1 stop
$186Spirit Airlines
Find Deal
Tue, Nov 18 - Fri, Nov 21
Spirit Airlines Logo
6:00 am - 2:20 pmDTW-SJU
7h 20m1 stop
Spirit Airlines Logo
6:00 am - 9:44 amSJU-DTW
4h 44mnonstop
$187Spirit Airlines
Find Deal
Fri, Jan 2 - Sat, Jan 10
Spirit Airlines Logo
11:37 am - 9:50 pmDTW-SJU
9h 13m1 stop
Spirit Airlines Logo
6:00 am - 12:09 amSJU-DTW
19h 09m1 stop
$188Spirit Airlines
Find Deal
Mon, Dec 1 - Tue, Dec 9
Multiple Airlines Logo
7:59 am - 11:25 pmDTW-SJU
14h 26m1 stop
Multiple Airlines Logo
3:55 am - 8:20 amSJU-DTW
29h 25m1 stop
$193Multiple Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
Spirit Airlines Logo
11:37 am - 9:50 pmDTW-SJU
9h 13m1 stop
Spirit Airlines Logo
4:10 am - 10:08 amSJU-DTW
6h 58m1 stop
$195Spirit Airlines
Find Deal
Mon, Dec 1 - Fri, Dec 5
Spirit Airlines Logo
6:10 am - 3:13 pmDTW-SJU
8h 03m1 stop
Spirit Airlines Logo
11:55 am - 11:54 pmSJU-DTW
12h 59m1 stop
$196Spirit Airlines
Find Deal
Mon, Nov 17 - Mon, Nov 24
Multiple Airlines Logo
9:53 pm - 10:33 amDTW-SJU
11h 40m1 stop
Multiple Airlines Logo
7:10 am - 3:40 pmSJU-DTW
9h 30m1 stop
$197Multiple Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Multiple Airlines Logo
7:59 am - 11:25 pmDTW-SJU
14h 26m1 stop
Multiple Airlines Logo
7:10 am - 3:40 pmSJU-DTW
9h 30m1 stop
$198Multiple Airlines
Find Deal
Tue, Dec 9 - Sat, Dec 13
Frontier Logo
3:33 pm - 2:54 amDTW-SJU
10h 21m1 stop
Frontier Logo
7:25 am - 2:08 pmSJU-DTW
7h 43m1 stop
$222Frontier
Find Deal
Thu, Nov 27 - Mon, Dec 8

Spirit Airlines flights from Detroit to San Juan

Our best Spirit Airlines deals on Detroit to San Juan flight tickets
Spirit Airlines
Nov 18
DTW6:10 amDetroit Metropolitan Wayne County
7h 32m
1 stop
SJU2:42 pmSan Juan Luis Munoz Marin Intl
Nov 21
SJU8:00 amSan Juan Luis Munoz Marin Intl
12h 02m
1 stop
DTW7:02 pmDetroit Metropolitan Wayne County
$186
Find similar
Spirit Airlines
Jan 2
DTW6:00 amDetroit Metropolitan Wayne County
7h 20m
1 stop
SJU2:20 pmSan Juan Luis Munoz Marin Intl
Jan 10
SJU6:00 amSan Juan Luis Munoz Marin Intl
4h 44m
DTW9:44 amDetroit Metropolitan Wayne County
$187
Find similar
Spirit Airlines
Dec 1
DTW11:37 amDetroit Metropolitan Wayne County
9h 13m
1 stop
SJU9:50 pmSan Juan Luis Munoz Marin Intl
Dec 9
SJU6:00 amSan Juan Luis Munoz Marin Intl
19h 09m
1 stop
DTW12:09 amDetroit Metropolitan Wayne County
$188
Find similar

Frontier flights from Detroit to San Juan

Our best Frontier deals on Detroit to San Juan flight tickets
Frontier
Nov 27
DTW3:33 pmDetroit Metropolitan Wayne County
10h 21m
1 stop
SJU2:54 amSan Juan Luis Munoz Marin Intl
Dec 8
SJU7:25 amSan Juan Luis Munoz Marin Intl
7h 43m
1 stop
DTW2:08 pmDetroit Metropolitan Wayne County
$222
Find similar
Frontier
Nov 14
DTW12:24 pmDetroit Metropolitan Wayne County
8h 00m
1 stop
SJU9:24 pmSan Juan Luis Munoz Marin Intl
Nov 19
SJU3:59 amSan Juan Luis Munoz Marin Intl
11h 39m
1 stop
DTW2:38 pmDetroit Metropolitan Wayne County
$266
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 November 6, 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

Thu 11/20

10:26 am-1:06 am

1 stop13h 40m

San Juan Luis Munoz Marin Intl

Mon 11/24

8:00 am-7:02 pm

1 stop12h 02m

$183

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Tue 11/18

6:10 am-2:42 pm

1 stop7h 32m

San Juan Luis Munoz Marin Intl

Fri 11/21

8:00 am-7:02 pm

1 stop12h 02m

$186

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Fri 1/2

6:00 am-2:20 pm

1 stop7h 20m

San Juan Luis Munoz Marin Intl

Sat 1/10

6:00 am-9:44 am

Nonstop4h 44m

$187

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 12/1

11:37 am-9:50 pm

1 stop9h 13m

San Juan Luis Munoz Marin Intl

Tue 12/9

6:00 am-12:09 am

1 stop19h 09m

$188

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 12/6

7:59 am-11:25 pm

1 stop14h 26m

San Juan Luis Munoz Marin Intl

Sat 12/13

3:55 am-8:20 am

1 stop29h 25m

$193

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 12/1

11:37 am-9:50 pm

1 stop9h 13m

San Juan Luis Munoz Marin Intl

Fri 12/5

4:10 am-10:08 am

1 stop6h 58m

$195

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 11/17

6:10 am-3:13 pm

1 stop8h 03m

San Juan Luis Munoz Marin Intl

Mon 11/24

11:55 am-11:54 pm

1 stop12h 59m

$196

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Wed 12/3

9:53 pm-10:33 am

1 stop11h 40m

San Juan Luis Munoz Marin Intl

Wed 12/10

7:10 am-3:40 pm

1 stop9h 30m

$197

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Tue 12/9

7:59 am-11:25 pm

1 stop14h 26m

San Juan Luis Munoz Marin Intl

Sat 12/13

7:10 am-3:40 pm

1 stop9h 30m

$198

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Thu 11/27

3:33 pm-2:54 am

1 stop10h 21m

San Juan Luis Munoz Marin Intl

Mon 12/8

7:25 am-2:08 pm

1 stop7h 43m

$222

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 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 $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 $502 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 $372 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 $301 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 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. 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
3,116 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $152Free CancellationRating
6.3
8,122 reviews
Search Spirit Airlines flights
DeltaPriceFrom $233Free CancellationRating
7.9
8,001 reviews
Search Delta flights
JetBluePriceFrom $281Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
American AirlinesPriceFrom $324Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
United AirlinesPriceFrom $380Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
SouthwestPriceFrom $395Free CancellationRating
8.0
4,241 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