$84+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
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 31 days in advance, depart on a Monday or Tuesday and return on a Thursday
Cheap 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 April 17, 2025.
Round-trip from | $188 (Cheapflightsfares) |
|---|---|
One-way from | $84 (Kiwi.com) |
Popular in | March |
Cheapest in | October |
Average price | $435 |
Find flight deals from Detroit to San Juan
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 April 17, 2025.
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 April 17, 2025.
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
This CheapOair deal was found by Cheapflights users on 4/17. 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.
This Frontier deal was found by Cheapflights users on 4/17. 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.
This Delta deal was found by Cheapflights users on 4/17. 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.
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 April 17, 2025.
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
Price
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
Mon 5/12
9:09 pm-11:31 am
1 stop14h 22m
San Juan Luis Munoz Marin Intl
Thu 5/15
12:36 pm-11:20 pm
1 stop10h 44m
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
Tue 5/20
9:09 pm-11:31 am
1 stop14h 22m
San Juan Luis Munoz Marin Intl
Sun 5/25
4:55 pm-8:47 am
1 stop15h 52m
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
Sun 5/4
12:54 pm-12:05 am
1 stop11h 11m
San Juan Luis Munoz Marin Intl
Mon 5/5
6:00 am-9:08 pm
1 stop15h 08m
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
Tue 7/1
8:59 am-1:25 pm
Nonstop4h 26m
San Juan Luis Munoz Marin Intl
Fri 7/4
2:35 pm-7:14 pm
Nonstop4h 39m
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
Thu 5/1
11:45 am-8:20 pm
2 stops8h 35m
San Juan Luis Munoz Marin Intl
Tue 5/6
5:25 am-12:34 pm
1 stop7h 09m
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
Sat 5/10
9:09 pm-11:31 am
1 stop14h 22m
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
Fri 5/23
12:44 pm-12:21 am
1 stop11h 37m
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
Wed 6/4
8:25 am-12:45 pm
Nonstop4h 20m
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
Sat 5/10
5:30 am-4:36 pm
2 stops11h 06m
DetroitSan Juan
DTW - SJU
DTWSJU
Detroit Metropolitan Wayne County
Mon 8/4
6:05 am-4:35 pm
2 stops10h 30m
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.
Cheapflights Insights
Everything you need to know about your flight from Detroit Metropolitan Wayne County Airport to San Juan
How far ahead should I book a flight from Detroit Metropolitan Wayne County Airport to San Juan?
Use this chart to determine the optimal time to book a round-trip flight from Detroit to San Juan. Price data was last updated on April 11, 2025.
Booking 31 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.
What is the cheapest month to book a flight from Detroit Metropolitan Wayne County Airport to San Juan?
Currently, September is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to San Juan (average of $254). Flying from Detroit Metropolitan Wayne County Airport to San Juan in December is currently the most expensive (average of $336). 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 April 17, 2025.
It’s typically best to fly out from Detroit Metropolitan Wayne County Airport to San Juan in the evening. Doing so could potentially save you 59% on the flight price compared to flying in the morning, which is usually more expensive.
What is the cheapest day to fly from Detroit Metropolitan Wayne County Airport to San Juan?
Use this chart to determine the cheapest time to fly round-trip from Detroit to San Juan. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Detroit Metropolitan Wayne County Airport to San Juan flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Detroit Metropolitan Wayne County Airport to San Juan
Explore weekly flight availability from Detroit to San Juan. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 17, 2025.
The most flights from DTW to PR1 are scheduled on a Monday (2 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 on average).
Rainfall in San Juan by month
Plan your trip to San Juan by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Juan ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan when rainfall is around 2.2 in.
Temperature in San Juan by month
Plan your trip to San Juan by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).
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 April 17, 2025.
To help decide which airline to fly from Detroit to San Juan, see what other customers have to say about Southwest, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Entertainment
Food
Crew
Comfort
Overall
Reviews
Ila,Mar 2025
HOU - DAL
Boarding
Entertainment
Food
Crew
Comfort
Overall
Reviews
Ila,Mar 2025
HOU - DAL
Boarding
Entertainment
Food
Crew
Comfort
Overall
Reviews
Ila,Mar 2025
HOU - DAL
Boarding
Entertainment
Food
Crew
Comfort
Overall
Reviews
Ila,Mar 2025
HOU - DAL
Boarding
Entertainment
Food
Crew
Comfort
Overall
Reviews
Ila,Mar 2025
HOU - DAL
Boarding
Entertainment
Food
Crew
Comfort
Overall
Reviews
Ila,Mar 2025
HOU - DAL
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.
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Alternative routes for Detroit to San Juan
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Detroit to San Juan
Discover the top 7 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 April 17, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$124 | Average$168 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$187 | Average$287 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$250 | Average$375 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$292 | Average$570 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$416 | Average$647 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$435 | Average$692 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$465 | Average$581 | FlexibilityNo cancel fee | On-time63% |