Cheap flight deals from Detroit to San Juan

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

Round-trip
One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from Detroit to San Juan?

We monitor flight fares to help you find the best deals effortlessly

Cheapest flights

From price

6 13
13 20
20 27
May

27 4
4 11
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18 25
Jun

25 1
1 8
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22 29

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

When are flight tickets from Detroit (DTT) to San Juan (SJU) the cheapest?

Airlines adjust prices for flights from Detroit to San Juan based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Detroit (DTT) to San Juan (SJU) cost?

According to Trip.com's data, the lowest price is around Rp 7,890,858.
How long does it take to fly from Detroit (DTT) to San Juan (SJU) and what is the distance?

It takes around 4 hours 40 minutes to fly from Detroit (DTT) to San Juan (SJU).
What is the transportation method from the main airport to downtown in San Juan?
- The distance from Luis Muñoz Marín International Airport to downtown is about 11 km. It takes about 30 minutes by taxi.
What are the most popular airlines that fly from Detroit (DTT) to San Juan (SJU)?

Airlines with flights from Detroit (DTT) to San Juan (SJU): Delta Air Lines and WestJet.

How to find a cheap flight from Detroit to San Juan

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Detroit to San Juan. Book your flights at the right time and save more.

Be flexible with your travel dates to get the cheapest Detroit to San Juan ticket.

Tap "Date" in the flight search bar to browse the calendar and find airfare from Detroit to San Juan for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is Rp 3746258 for a one-way ticket on Mon, May 5.

Compare cheap Detroit to San Juan flight deals from hundreds of airlines.

Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Detroit to San Juan. The most affordable airline currently operating on this route is Delta Air Lines.

Set up a Price Alert to track fare drops.

Set up a Price Alert for your Detroit to San Juan route to track ticket prices effortlessly—no need to check manually every day.

Don't miss out on cheap Detroit to San Juan flight deals and promo codes.

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Book early or wait unitl the last minute to fine the best fares.

It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.

Search for flights on the go.

For the best booking experience on the go, download Trip.com and search for cheap flights from Detroit to San Juan to access exclusive deals just for you.

Flight Info | Detroit to San Juan

Cheapest one-way flight price	Rp 1,321,667
Cheapest round-trip ticket price	Rp 6,661,294
Off-season for travel	February
Peak season for travel	June
Flight distance	3,105.25 km
Average flight time	4 hours 40 minutes
Popular airline	United Airlines