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Cheap flights from Detroit to San Juan from $68

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 8/31. 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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Cheap round-trip flights

Spirit Airlines Logo
9:19 am - 1:53 pmDTW-SJU
4h 34mnonstop
Spirit Airlines Logo
2:48 pm - 7:34 pmSJU-DTW
4h 46mnonstop
$134Spirit Airlines
Find Deal
jue., oct. 16 - jue., oct. 23
Spirit Airlines Logo
9:40 am - 2:17 pmDTW-SJU
4h 37mnonstop
Spirit Airlines Logo
2:38 pm - 7:24 pmSJU-DTW
4h 46mnonstop
$137Spirit Airlines
Find Deal
dom., ago. 31 - jue., sep. 4
Spirit Airlines Logo
10:49 am - 4:23 pmDTW-SJU
4h 34mnonstop
Spirit Airlines Logo
6:00 am - 9:44 amSJU-DTW
4h 44mnonstop
$138Spirit Airlines
Find Deal
vie., nov. 7 - lun., nov. 17
Spirit Airlines Logo
9:12 am - 1:43 pmDTW-SJU
4h 31mnonstop
Spirit Airlines Logo
2:38 pm - 7:24 pmSJU-DTW
4h 46mnonstop
$140Spirit Airlines
Find Deal
dom., sep. 14 - jue., sep. 25
Spirit Airlines Logo
9:40 am - 2:17 pmDTW-SJU
4h 37mnonstop
Spirit Airlines Logo
2:38 pm - 7:24 pmSJU-DTW
4h 46mnonstop
$142Spirit Airlines
Find Deal
lun., sep. 1 - jue., sep. 11
Spirit Airlines Logo
10:49 am - 4:23 pmDTW-SJU
4h 34mnonstop
Spirit Airlines Logo
6:00 am - 9:44 amSJU-DTW
4h 44mnonstop
$143Spirit Airlines
Find Deal
vie., nov. 7 - vie., nov. 14
Delta Logo
8:48 am - 2:15 pmDTW-SJU
4h 27mnonstop
Delta Logo
3:25 pm - 7:15 pmSJU-DTW
4h 50mnonstop
$190Delta
Find Deal
mié., nov. 12 - mié., nov. 19
Delta Logo
8:48 am - 2:15 pmDTW-SJU
4h 27mnonstop
Delta Logo
7:30 am - 5:09 pmSJU-DTW
10h 39m1 stop
$195Delta
Find Deal
mar., dic. 9 - mar., dic. 16
Delta Logo
4:37 pm - 11:56 pmDTW-SJU
7h 19m1 stop
Delta Logo
5:43 pm - 12:56 amSJU-DTW
7h 13m1 stop
$199Delta
Find Deal
mar., oct. 21 - sáb., oct. 25
Logo
9:16 am - 11:54 pmDTW-SJU
14h 38m1 stop
Logo
4:12 pm - 8:50 pmSJU-DTW
4h 38mnonstop
$200
Find Deal
lun., ago. 25 - jue., ago. 28

Spirit Airlines flights from Detroit to San Juan

Our best Spirit Airlines deals on Detroit to San Juan flight tickets
Spirit Airlines
Oct 16
DTW9:19 amDetroit Metropolitan Wayne County
4h 34m
SJU1:53 pmSan Juan Luis Munoz Marin Intl
Oct 23
SJU2:48 pmSan Juan Luis Munoz Marin Intl
4h 46m
DTW7:34 pmDetroit Metropolitan Wayne County
$134
Find similar
Spirit Airlines
Aug 31
DTW9:40 amDetroit Metropolitan Wayne County
4h 37m
SJU2:17 pmSan Juan Luis Munoz Marin Intl
Sep 4
SJU2:38 pmSan Juan Luis Munoz Marin Intl
4h 46m
DTW7:24 pmDetroit Metropolitan Wayne County
$137
Find similar
Spirit Airlines
Nov 7
DTW10:49 amDetroit Metropolitan Wayne County
4h 34m
SJU4:23 pmSan Juan Luis Munoz Marin Intl
Nov 17
SJU6:00 amSan Juan Luis Munoz Marin Intl
4h 44m
DTW9:44 amDetroit Metropolitan Wayne County
$138
Find similar

Delta flights from Detroit to San Juan

Our best Delta deals on Detroit to San Juan flight tickets
Delta
Nov 12
DTW8:48 amDetroit Metropolitan Wayne County
4h 27m
SJU2:15 pmSan Juan Luis Munoz Marin Intl
Nov 19
SJU3:25 pmSan Juan Luis Munoz Marin Intl
4h 50m
DTW7:15 pmDetroit Metropolitan Wayne County
$190
Find similar
Delta
Dec 9
DTW8:48 amDetroit Metropolitan Wayne County
4h 27m
SJU2:15 pmSan Juan Luis Munoz Marin Intl
Dec 16
SJU7:30 amSan Juan Luis Munoz Marin Intl
10h 39m
1 stop
DTW5:09 pmDetroit Metropolitan Wayne County
$195
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
SJU5:43 pmSan Juan Luis Munoz Marin Intl
7h 13m
1 stop
DTW12:56 amDetroit Metropolitan Wayne County
$199
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 agosto 14, 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

jue. 10/16

9:19 am-1:53 pm

Nonstop4h 34m

San Juan Luis Munoz Marin Intl

jue. 10/23

2:48 pm-7:34 pm

Nonstop4h 46m

$134

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

dom. 8/31

9:40 am-2:17 pm

Nonstop4h 37m

San Juan Luis Munoz Marin Intl

jue. 9/4

2:38 pm-7:24 pm

Nonstop4h 46m

$137

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

vie. 11/7

10:49 am-4:23 pm

Nonstop4h 34m

San Juan Luis Munoz Marin Intl

lun. 11/17

6:00 am-9:44 am

Nonstop4h 44m

$138

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

dom. 9/14

9:12 am-1:43 pm

Nonstop4h 31m

San Juan Luis Munoz Marin Intl

jue. 9/25

2:38 pm-7:24 pm

Nonstop4h 46m

$140

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

lun. 9/1

9:40 am-2:17 pm

Nonstop4h 37m

San Juan Luis Munoz Marin Intl

jue. 9/11

2:38 pm-7:24 pm

Nonstop4h 46m

$142

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

vie. 11/7

10:49 am-4:23 pm

Nonstop4h 34m

San Juan Luis Munoz Marin Intl

vie. 11/14

6:00 am-9:44 am

Nonstop4h 44m

$143

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

mié. 11/12

8:48 am-2:15 pm

Nonstop4h 27m

San Juan Luis Munoz Marin Intl

mié. 11/19

3:25 pm-7:15 pm

Nonstop4h 50m

$190

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

mar. 12/9

8:48 am-2:15 pm

Nonstop4h 27m

San Juan Luis Munoz Marin Intl

mar. 12/16

7:30 am-5:09 pm

1 stop10h 39m

$195

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

5:43 pm-12:56 am

1 stop7h 13m

$199

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

lun. 8/25

9:16 am-11:54 pm

1 stop14h 38m

San Juan Luis Munoz Marin Intl

jue. 8/28

4:12 pm-8:50 pm

Nonstop4h 38m

$200

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 September, then July is your next best option. Flight prices from Detroit to San Juan during July average around $246.

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 $435. The most expensive day to fly to San Juan is Saturday, with ticket prices averaging around $653.

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 $568 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 $386 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 $307 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

Best Price Found

$68

Fastest flight time

4h 17m

Direct flights

Every day

Airports in San Juan

1 airport
The best one-way flight to San Juan from Detroit in the past 72 hours is $68. The best round-trip flight deal from Detroit to San Juan found on momondo in the last 72 hours is $134.
The fastest flight from Detroit to San Juan takes 4h 17m
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 27m 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
3,219 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $155Free CancellationRating
6.3
8,045 reviews
Search Spirit Airlines flights
JetBluePriceFrom $250Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
American AirlinesPriceFrom $308Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $315Free CancellationRating
8.0
7,980 reviews
Search Delta flights
SouthwestPriceFrom $396Free CancellationRating
8.0
4,244 reviews
Search Southwest flights
United AirlinesPriceFrom $418Free CancellationRating
7.4
8,916 reviews
Search United Airlines 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