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Cheap flights from Detroit to San Juan from $70

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 11/15. 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

Spirit Airlines Logo
9:12 am - 1:43 pmDTW-SJU
4h 31mnonstop
Spirit Airlines Logo
2:38 pm - 7:24 pmSJU-DTW
4h 46mnonstop
$154Spirit Airlines
Find Deal
dom., sep. 28 - jue., oct. 2
Spirit Airlines Logo
7:02 am - 2:11 pmDTW-SJU
7h 09m1 stop
Spirit Airlines Logo
2:38 pm - 7:24 pmSJU-DTW
4h 46mnonstop
$162Spirit Airlines
Find Deal
dom., sep. 28 - jue., oct. 2
Spirit Airlines Logo
10:49 am - 4:23 pmDTW-SJU
4h 34mnonstop
Spirit Airlines Logo
6:00 am - 9:44 amSJU-DTW
4h 44mnonstop
$164Spirit Airlines
Find Deal
lun., nov. 10 - vie., nov. 21
Spirit Airlines Logo
10:49 am - 4:23 pmDTW-SJU
4h 34mnonstop
Spirit Airlines Logo
6:00 am - 9:44 amSJU-DTW
4h 44mnonstop
$170Spirit Airlines
Find Deal
sáb., ene. 24 - sáb., ene. 31
Delta Logo
8:55 am - 1:12 pmDTW-SJU
4h 17mnonstop
Delta Logo
2:22 pm - 7:03 pmSJU-DTW
4h 41mnonstop
$190Delta
Find Deal
lun., oct. 20 - vie., oct. 31
Delta Logo
4:37 pm - 11:56 pmDTW-SJU
7h 19m1 stop
Delta Logo
7:00 am - 3:04 pmSJU-DTW
8h 04m1 stop
$199Delta
Find Deal
mar., oct. 21 - sáb., oct. 25
American Airlines Logo
11:13 am - 11:40 pmDTW-SJU
11h 27m1 stop
American Airlines Logo
6:30 am - 5:28 pmSJU-DTW
11h 58m1 stop
$200American Airlines
Find Deal
dom., feb. 1 - mié., feb. 11
Multiple Airlines Logo
10:26 am - 1:06 amDTW-SJU
13h 40m1 stop
Multiple Airlines Logo
6:00 am - 9:44 amSJU-DTW
4h 44mnonstop
$207Multiple Airlines
Find Deal
jue., nov. 27 - vie., dic. 5
Multiple Airlines Logo
8:50 pm - 3:24 pmDTW-SJU
18h 34m1 stop
Multiple Airlines Logo
6:22 am - 12:45 amSJU-DTW
18h 23m1 stop
$209Multiple Airlines
Find Deal
mar., oct. 14 - mar., oct. 21
American Airlines Logo
6:51 pm - 11:11 amDTW-SJU
16h 20m2 stops
American Airlines Logo
4:45 pm - 9:23 amSJU-DTW
16h 38m1 stop
$239American Airlines
Find Deal
mar., sep. 30 - sáb., oct. 4

Spirit Airlines flights from Detroit to San Juan Luis Munoz Marin Intl Airport

Our best Spirit Airlines deals on Detroit to San Juan Luis Munoz Marin Intl Airport flight tickets
Spirit Airlines
Sep 28
DTW9:12 amDetroit Metropolitan Wayne County
4h 31m
SJU1:43 pmSan Juan Luis Munoz Marin Intl
Oct 2
SJU2:38 pmSan Juan Luis Munoz Marin Intl
4h 46m
DTW7:24 pmDetroit Metropolitan Wayne County
$154
Find similar
Spirit Airlines
Sep 28
DTW7:02 amDetroit Metropolitan Wayne County
7h 09m
1 stop
SJU2:11 pmSan Juan Luis Munoz Marin Intl
Oct 2
SJU2:38 pmSan Juan Luis Munoz Marin Intl
4h 46m
DTW7:24 pmDetroit Metropolitan Wayne County
$162
Find similar
Spirit Airlines
Nov 10
DTW10:49 amDetroit Metropolitan Wayne County
4h 34m
SJU4:23 pmSan Juan Luis Munoz Marin Intl
Nov 21
SJU6:00 amSan Juan Luis Munoz Marin Intl
4h 44m
DTW9:44 amDetroit Metropolitan Wayne County
$164
Find similar

Delta flights from Detroit to San Juan Luis Munoz Marin Intl Airport

Our best Delta deals on Detroit to San Juan Luis Munoz Marin Intl Airport flight tickets
Delta
Oct 20
DTW8:55 amDetroit Metropolitan Wayne County
4h 17m
SJU1:12 pmSan Juan Luis Munoz Marin Intl
Oct 31
SJU2:22 pmSan Juan Luis Munoz Marin Intl
4h 41m
DTW7:03 pmDetroit Metropolitan Wayne County
$190
Find similar
Delta
Oct 21
DTW4:37 pmDetroit Metropolitan Wayne County
7h 19m
1 stop
SJU11:56 pmSan Juan Luis Munoz Marin Intl
Oct 25
SJU7:00 amSan Juan Luis Munoz Marin Intl
8h 04m
1 stop
DTW3:04 pmDetroit Metropolitan Wayne County
$199
Find similar
Delta
Oct 21
DTW4:37 pmDetroit Metropolitan Wayne County
7h 19m
1 stop
SJU11:56 pmSan Juan Luis Munoz Marin Intl
Nov 1
SJU2:22 pmSan Juan Luis Munoz Marin Intl
4h 41m
DTW7:03 pmDetroit Metropolitan Wayne County
$228
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Detroit to San Juan Luis Munoz Marin Intl Airport 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 septiembre 17, 2025.
Use the filters below to find and compare flights from Detroit to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

dom. 9/28

9:12 am-1:43 pm

Nonstop4h 31m

San Juan Luis Munoz Marin Intl

jue. 10/2

2:38 pm-7:24 pm

Nonstop4h 46m

$154

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

dom. 9/28

7:02 am-2:11 pm

1 stop7h 09m

San Juan Luis Munoz Marin Intl

jue. 10/2

2:38 pm-7:24 pm

Nonstop4h 46m

$162

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

lun. 11/10

10:49 am-4:23 pm

Nonstop4h 34m

San Juan Luis Munoz Marin Intl

vie. 11/21

6:00 am-9:44 am

Nonstop4h 44m

$164

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

sáb. 1/24

10:49 am-4:23 pm

Nonstop4h 34m

San Juan Luis Munoz Marin Intl

sáb. 1/31

6:00 am-9:44 am

Nonstop4h 44m

$170

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

lun. 10/20

8:55 am-1:12 pm

Nonstop4h 17m

San Juan Luis Munoz Marin Intl

vie. 10/31

2:22 pm-7:03 pm

Nonstop4h 41m

$190

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

mar. 10/21

4:37 pm-11:56 pm

1 stop7h 19m

San Juan Luis Munoz Marin Intl

sáb. 10/25

7:00 am-3:04 pm

1 stop8h 04m

$199

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

dom. 2/1

11:13 am-11:40 pm

1 stop11h 27m

San Juan Luis Munoz Marin Intl

mié. 2/11

6:30 am-5:28 pm

1 stop11h 58m

$200

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

jue. 11/27

10:26 am-1:06 am

1 stop13h 40m

San Juan Luis Munoz Marin Intl

vie. 12/5

6:00 am-9:44 am

Nonstop4h 44m

$207

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

mar. 10/14

8:50 pm-3:24 pm

1 stop18h 34m

San Juan Luis Munoz Marin Intl

mar. 10/21

6:22 am-12:45 am

1 stop18h 23m

$209

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

mar. 9/30

6:51 pm-11:11 am

2 stops16h 20m

San Juan Luis Munoz Marin Intl

sáb. 10/4

4:45 pm-9:23 am

1 stop16h 38m

$239

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 Luis Munoz Marin Intl Airport

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 Luis Munoz Marin Intl Airport?

What is the cheapest month to fly to San Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $242.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from Detroit is on a Monday. momondo users have found tickets for Monday departures for as low as $426. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Detroit because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $631.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is in the evening when flights can be purchased for as low as $262. Flights in the morning are often more expensive with an average ticket price of $543.

What is the cheapest Detroit to San Juan Luis Munoz Marin Intl flight route?

Fly from Detroit Metropolitan Wayne County to San Juan Luis Munoz Marin Intl for the best Detroit - San Juan Luis Munoz Marin Intl flight prices

How far in advance should I book a flight to San Juan Luis Munoz Marin Intl Airport?

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from Detroit when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $380 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from Detroit for as low as $297 on momondo.

What cabin class options are available on Detroit to San Juan Luis Munoz Marin Intl flights?

There are 3 cabin classes available to choose from on Detroit to San Juan Luis Munoz Marin Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Detroit to San Juan Luis Munoz Marin Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Detroit to San Juan Luis Munoz Marin Intl Airport.

How have Detroit to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of September 2025, prices for Detroit to San Juan Luis Munoz Marin Intl Airport flights are approximately 21% cheaper when compared to flights at the same time last year.

When to book flights from Detroit to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Detroit to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Detroit to San Juan Luis Munoz Marin Intl Airport (DTT to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Detroit to San Juan Luis Munoz Marin Intl Airport

Best Price Found

$84

Fastest flight time

4h 17m

Direct flights

Every day
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Detroit in the past 72 hours is $84. The best round-trip flight deal from Detroit to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $204.
The fastest flight from Detroit to San Juan Luis Munoz Marin Intl Airport takes 4h 17m
Direct flights go from Detroit to San Juan Luis Munoz Marin Intl Airport every day.
Search flight deals

  • How far is Detroit to San Juan Luis Munoz Marin Intl by plane?

    A flight from Detroit to San Juan Luis Munoz Marin Intl will travel around 1929.1 mi. By plane, this route typically takes 4h 17m.

  • When did momondo last update prices for flights from Detroit to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Detroit to San Juan Luis Munoz Marin Intl Airport are updated daily.

  • How many operators does momondo search for flights from Detroit to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from Detroit to San Juan Luis Munoz Marin Intl Airport?

    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 Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The required travel and health documents for your San Juan Luis Munoz Marin Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Juan Luis Munoz Marin Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Detroit to San Juan Luis Munoz Marin Intl Airport?

  • What is the most popular airline from Detroit to San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from Detroit to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Detroit to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $124Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $153Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
DeltaPriceFrom $241Free CancellationRating
7.9
7,961 reviews
Search Delta flights
JetBluePriceFrom $281Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
American AirlinesPriceFrom $333Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $396Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $435Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

  • Delta Flights From Detroit to San Juan Luis Munoz Marin Intl Airport

    Delta is one of the most popular airlines flying from Detroit to San Juan Luis Munoz Marin Intl Airport, operating 1 flight/week on average for this route. A good Delta flight deal for Detroit to San Juan Luis Munoz Marin Intl Airport starts from $241 round-trip, up to an average price of $615. Our users have rated Delta at 7.9/10.

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Caguas
Humacao
Rio Grande
Bayamón

Why use momondo?

Why should I use momondo to find a flight deal from Detroit to San Juan?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Detroit to San Juan. momondo saves you time and could save you money on your trip.

Can I find flights from Detroit to San Juan with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Detroit to San Juan flights to just show those with flexible booking policies.

How can momondo help me find flights from Detroit to San Juan?

momondo provides multiple filters to help you find the best flight to San Juan from Detroit. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Detroit to San Juan right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Detroit to San Juan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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