$83+ Cheap flights from Detroit Metropolitan Wayne County Airport (DTW) to San Juan
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — SJU
Sep 11 — Sep 181
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Detroit to San Juan with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Detroit Metropolitan Wayne County to San Juan are usually found in October or September, booked 2 days in advance, depart on a Tuesday or Monday and return on a Thursday
Cheap flight deals from Detroit to San Juan
Cheapest
Best
Last-minute
One-way
Cheapest flights from Detroit to San JuanExplore the most affordable flight options available from Detroit to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 12, 2026.
Explore the most affordable flight options available from Detroit to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 12, 2026.
This Frontier deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:46 pm -
1 stop7h 06m
Sat 9/2610:30 am -
1 stop12h 57m
Deal found 8/10![Frontier logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:25 pm -
1 stop12h 33m
Sat 11/148:24 pm -
2 stops19h 15m
Deal found 8/9![Frontier logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:00 am -
1 stop12h 38m
Sun 10/259:49 pm -
2 stops14h 10m
Deal found 8/9![Frontier logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:25 pm -
1 stop23h 54m
Mon 9/2811:54 am -
2 stops24h 11m
Deal found 8/12![Frontier logo]()
$339
This Southwest deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/91:30 pm -
2 stops10h 25m
Wed 11/186:10 am -
2 stops10h 05m
Deal found 8/10![Southwest logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:18 am -
1 stop29h 53m
Tue 9/87:30 am -
2 stops28h 21m
Deal found 8/12![Frontier logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:18 am -
1 stop29h 53m
Wed 8/266:35 am -
1 stop10h 47m
Deal found 8/9![Frontier logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:07 pm -
1 stop8h 08m
Mon 8/317:30 am -
2 stops41h 34m
Deal found 8/11![Frontier logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:10 pm -
1 stop8h 49m
Sat 9/56:35 am -
1 stop10h 47m
Deal found 8/7![Frontier logo]()
$344
This Cheapflightsfares deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:05 pm -
1 stop7h 49m
Fri 12/113:00 pm -
1 stop9h 56m
Deal found 8/9![JetBlue logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:46 pm -
1 stop14h 49m
Sun 9/206:55 pm -
2 stops23h 13m
Deal found 8/10![Frontier logo]()
$346
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:42 am -
Nonstop4h 34m
Sat 9/262:30 pm -
Nonstop4h 37m
Deal found 8/12![Delta logo]()
$347
Best flights from Detroit to San JuanDiscover carefully curated flight deals from Detroit to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 12, 2026.
Discover carefully curated flight deals from Detroit to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 12, 2026.
This Delta deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:20 am -
1 stop7h 25m
Sat 9/262:30 pm -
Nonstop4h 37m
Deal found 8/10![Delta logo]()
$352
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/232:45 pm -
2 stops9h 35m
Sun 10/255:30 am -
1 stop6h 55m
Deal found 8/11![Southwest logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:49 am -
1 stop7h 00m
Fri 8/288:34 am -
2 stops16h 30m
Deal found 8/7![Frontier logo]()
$374
This United Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:01 pm -
1 stop8h 49m
Sat 10/171:00 am -
2 stops10h 24m
Deal found 8/9![United Airlines logo]()
$446
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:20 am -
1 stop7h 25m
Sat 10/32:30 pm -
Nonstop4h 37m
Deal found 8/7![Delta logo]()
$352
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:00 pm -
1 stop6h 19m
Sat 10/32:30 pm -
Nonstop4h 37m
Deal found 8/7![Delta logo]()
$352
This Southwest deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:35 am -
2 stops10h 50m
Sun 9/65:20 am -
2 stops9h 00m
Deal found 8/7![Southwest logo]()
$400
This Delta deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:42 am -
Nonstop4h 34m
Sat 9/262:50 pm -
1 stop10h 03m
Deal found 8/8![Delta logo]()
$352
This Southwest deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:55 am -
2 stops11h 00m
Thu 9/175:00 am -
2 stops10h 10m
Deal found 8/11![Southwest logo]()
$406
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:40 pm -
2 stops9h 15m
Mon 9/285:00 am -
2 stops9h 05m
Deal found 8/12![Southwest logo]()
$417
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/92:45 pm -
2 stops9h 35m
Sun 10/115:00 am -
2 stops10h 15m
Deal found 8/9![Southwest logo]()
$417
Last-minute flights from Detroit to San JuanDiscover last-minute flight deals from Detroit to San Juan. Data last updated August 12, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to San Juan. Data last updated August 12, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:18 am -
1 stop29h 53m
Wed 8/266:35 am -
1 stop10h 47m
Deal found 8/9![Frontier logo]()
$342
This deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:49 am -
1 stop10h 03m
Wed 8/266:35 am -
1 stop10h 47m
Deal found 8/11![Frontier logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:07 pm -
1 stop8h 08m
Mon 8/317:30 am -
2 stops41h 34m
Deal found 8/11![Frontier logo]()
$343
This CheapOair deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:07 pm -
1 stop8h 08m
Sat 9/57:00 am -
1 stop8h 20m
Deal found 8/11![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:18 am -
1 stop29h 53m
Tue 9/87:30 am -
2 stops28h 21m
Deal found 8/12![Frontier logo]()
$341
This FlightHub deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:49 am -
1 stop7h 00m
Sun 9/63:10 am -
1 stop29h 44m
Deal found 8/11![Frontier logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:10 pm -
1 stop8h 49m
Sat 9/56:35 am -
1 stop10h 47m
Deal found 8/7![Frontier logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:46 pm -
1 stop14h 49m
Sun 9/206:55 pm -
2 stops23h 13m
Deal found 8/10![Frontier logo]()
$346
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:42 am -
Nonstop4h 34m
Sat 9/262:30 pm -
Nonstop4h 37m
Deal found 8/12![Delta logo]()
$347
This Frontier deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:46 pm -
1 stop7h 06m
Sat 9/2610:30 am -
1 stop12h 57m
Deal found 8/10![Frontier logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:25 pm -
1 stop23h 54m
Mon 9/2811:54 am -
2 stops24h 11m
Deal found 8/12![Frontier logo]()
$339
One-way flights from Detroit to San JuanSearch for one-way flight options from Detroit to San Juan. Find affordable one-way fares based on user searches. Data last updated August 12, 2026.
Search for one-way flight options from Detroit to San Juan. Find affordable one-way fares based on user searches. Data last updated August 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/44:23 pm -
1 stop21h 11m
Deal found 8/7![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:00 am -
1 stop12h 38m
Deal found 8/10![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:23 pm -
1 stop22h 54m
Deal found 8/10![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:00 am -
1 stop12h 38m
Deal found 8/9![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:23 pm -
1 stop22h 54m
Deal found 8/8![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/74:35 pm -
1 stop23h 36m
Deal found 8/10![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:23 pm -
1 stop21h 11m
Deal found 8/8![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/810:18 am -
1 stop28h 59m
Deal found 8/10![Frontier logo]()
$96
Find flight deals from Detroit to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTW) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 12, 2026.
Round-trip from | $336 (Frontier) |
|---|---|
One-way from | $83 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $375 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated August 12, 2026.
Use the filters below to find and compare flights from Detroit Metropolitan Wayne County Airport to San Juan that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DetroitSan Juan
DTW Detroit Metropolitan Wayne County - SJU San Juan Luis Munoz Marin Intl
DTWSJU
Detroit Metropolitan Wayne County
Wed 9/23
6:20 am-1:45 pm
1 stop7h 25m
San Juan Luis Munoz Marin Intl
Sat 9/26
2:30 pm-7:07 pm
Nonstop4h 37m
$352
DetroitSan Juan
DTW Detroit Metropolitan Wayne County - SJU San Juan Luis Munoz Marin Intl
DTWSJU
Detroit Metropolitan Wayne County
Wed 9/23
6:20 am-1:45 pm
1 stop7h 25m
San Juan Luis Munoz Marin Intl
Sat 10/3
2:30 pm-7:07 pm
Nonstop4h 37m
$352
Quickest round-trip
DetroitSan Juan
DTW Detroit Metropolitan Wayne County - SJU San Juan Luis Munoz Marin Intl
DTWSJU
Detroit Metropolitan Wayne County
Tue 9/22
4:00 pm-10:19 pm
1 stop6h 19m
San Juan Luis Munoz Marin Intl
Sat 10/3
2:30 pm-7:07 pm
Nonstop4h 37m
$352
DetroitSan Juan
DTW Detroit Metropolitan Wayne County - SJU San Juan Luis Munoz Marin Intl
DTWSJU
Detroit Metropolitan Wayne County
Sat 9/19
8:42 am-1:16 pm
Nonstop4h 34m
San Juan Luis Munoz Marin Intl
Sat 9/26
2:50 pm-12:53 am
1 stop10h 03m
$352
DetroitSan Juan
DTW Detroit Metropolitan Wayne County - SJU San Juan Luis Munoz Marin Intl
DTWSJU
Detroit Metropolitan Wayne County
Fri 10/23
2:45 pm-12:20 am
2 stops9h 35m
San Juan Luis Munoz Marin Intl
Sun 10/25
5:30 am-12:25 pm
1 stop6h 55m
$373
DetroitSan Juan
DTW Detroit Metropolitan Wayne County - SJU San Juan Luis Munoz Marin Intl
DTWSJU
Detroit Metropolitan Wayne County
Wed 8/26
9:49 am-4:49 pm
1 stop7h 00m
San Juan Luis Munoz Marin Intl
Fri 8/28
8:34 am-1:04 am
2 stops16h 30m
$374
DetroitSan Juan
DTW Detroit Metropolitan Wayne County - SJU San Juan Luis Munoz Marin Intl
DTWSJU
Detroit Metropolitan Wayne County
Wed 9/2
5:35 am-4:25 pm
2 stops10h 50m
San Juan Luis Munoz Marin Intl
Sun 9/6
5:20 am-2:20 pm
2 stops9h 00m
$400
DetroitSan Juan
DTW Detroit Metropolitan Wayne County - SJU San Juan Luis Munoz Marin Intl
DTWSJU
Detroit Metropolitan Wayne County
Thu 9/10
5:55 am-4:55 pm
2 stops11h 00m
San Juan Luis Munoz Marin Intl
Thu 9/17
5:00 am-3:10 pm
2 stops10h 10m
$406
DetroitSan Juan
DTW Detroit Metropolitan Wayne County - SJU San Juan Luis Munoz Marin Intl
DTWSJU
Detroit Metropolitan Wayne County
Thu 9/24
2:40 pm-11:55 pm
2 stops9h 15m
San Juan Luis Munoz Marin Intl
Mon 9/28
5:00 am-2:05 pm
2 stops9h 05m
$417
DetroitSan Juan
DTW Detroit Metropolitan Wayne County - SJU San Juan Luis Munoz Marin Intl
DTWSJU
Detroit Metropolitan Wayne County
Fri 10/9
2:45 pm-12:20 am
2 stops9h 35m
San Juan Luis Munoz Marin Intl
Sun 10/11
5:00 am-3:15 pm
2 stops10h 15m
$417
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from Detroit to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from Detroit with our price prediction graph.
DTW-PR1
DTW-SJU
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Detroit Metropolitan Wayne County Airport to San Juan
DTW-PR1
DTW-SJU
What is the cheapest month to book a flight from Detroit Metropolitan Wayne County Airport to San Juan?
Currently, October is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to San Juan (average of $324). Flying from Detroit Metropolitan Wayne County Airport to San Juan in December is currently the most expensive (average of $601). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from DTW to SJU?
Find hourly flight availability from Detroit to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 12, 2026.
When flying from Detroit Metropolitan Wayne County Airport to San Juan, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from Detroit Metropolitan Wayne County Airport to San Juan?
Airfare is typical for this route at the moment.
Detroit Metropolitan Wayne County Airport to San Juan flights typically cost between $311 and $434 in September.The cheapest round-trip price found within the last 5 days was $336 on Frontier (Sep 23-Sep 26).
How far ahead should I book a flight from Detroit Metropolitan Wayne County Airport to San Juan?
Booking 1 days in advance of your planned departure date is, on average, the best time to get cheap flights from Detroit Metropolitan Wayne County Airport to San Juan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing San Juan
Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated August 12, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andAmerican Airlines from Detroit Metropolitan Wayne County Airport to San Juan to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Overall
8.0
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Detroit to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Detroit
Popular flights
Alternative routes for Detroit to San Juan
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Juan by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Detroit to San Juan by cabin class
Find flights from Detroit to San Juan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Detroit and San Juan flights
Browse other Detroit and San Juan flight options. Last updated on August 12, 2026.
Other flights from Detroit
Browse through other flights departing from Detroit. Flights are based on user searches made on Cheapflights and were last updated on August 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Detroit to San Juan
Discover the top 6 airlines that operate flights from Detroit to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$177 | Average$364 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$212 | Average$376 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$232 | Average$625 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$266 | Average$545 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$324 | Average$612 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$395 | Average$503 | FlexibilityNo cancel fee | On-time63% |