The cheapest times to fly from DTW to SJU are
- January 8th to February 25th (except the week of February 12th)
- April 16th to June 3rd (except the week of May 21st)
- August 20th to November 18th
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from DTW to SJU is early September. Prices can be as high as $878 for Sunday flights during late December, or as low as $306 for Tuesday flights around early September.
When to Fly to San Juan
Flying from Detroit, MI (DTW) to San Juan, PR (SJU) will usually cost between $343 to $675 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early September with an average ticket price of $355. Due to high demand the most expensive time to fly is late December, with an average price of $761. Planning your trip to low-cost times can easily save you $406 on economy flights and even more on first-class flights. Generally, any price below $396 can be considered a good price for a round-trip DTW to SJU flight.
See below for a graph of average weekly prices for the DTW to SJU route. All prices are for round-trip tickets in USD.
Compared to other flights, the DTW to SJU flight is much cheaper than the average and costs much less than the average flight leaving from Detroit. The average price per mile (for a direct flight) is $0.13, which is far below average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $168 (30%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $373. Return trip prices are from the SJU to DTW flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from DTW to SJU can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 4 hour 28 minutes may be realistic.
Flight Questions Answered
Still have questions about flying from DTW to SJU? We’ve got answers.
Which airlines fly this route?
You can find 20 major airlines flying this route most often: Aeromar, Aeromexico, Air Canada, Air Europa, Alaska, American, Avianca, COPA, Delta, Emirates, Frontier, InterJet, JetBlue, Qantas, Qatar Airways, Southwest, Spirit, United, VivaAerobus, Volaris, and potentially more during busy seasons.
How far away is it from Luis Munoz Marin International Airport to Detroit Metro Wayne County Airport?
The distance between the two airports is roughly 1932 miles or 3109 kilometers.
How long does it take to fly from DTW to SJU?
The real-world flight time for a nonstop DTW to SJU flight is about 4 hour 28 minutes.
How many flights go between Detroit, MI and San Juan, PR?
It depends on the day of the week and the date, but a typical day might have around 70 available flights from DTW to SJU.
Airport Location Info
|Origination airport name||Detroit Metro Wayne County Airport|
|Country||the United States|
|Destination airport name||Luis Munoz Marin International Airport|
|City||San Juan, PR|
|Country||the United States|
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.