Cheap Flights from Detroit to San Juan starting at S$ 106

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

Round-trip
One way

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

Cheapest time to fly from Detroit to San Juan

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Cheapest flights

From price

23 30
Apr

30 6
6 13
13 20
20 27
May

27 4
4 11
11 18
18 25
Jun

25 1
1 8
8 15

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

Frequently Asked Questions

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

Airlines adjust prices for flights from Detroit to San Juan based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much is a flight from Detroit (DTT) to San Juan (SJU) cost?

According to Trip.com's data, the lowest price is around S$ 633.
How long is a flight from Detroit (DTT) to San Juan (SJU)?

It takes about 4 hours 56 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 11km, by taxi about 30 minutes.
What time does the earliest flight from Detroit to San Juan depart?

The earliest flight departs from Detroit (DTW) at 08:50 and arrives in San Juan (SJU) at 14:12.
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.
What's the most popular airline for direct flights from Detroit (DTT) to San Juan (SJU)?

Southwest Airlines operates 1 direct flights from Detroit (DTT) to San Juan (SJU).
How many airports in San Juan?

There are 2 airports near San Juan: Fernando Luis Ribas Dominicci Airport and Luis Muñoz Marín International Airport.

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.

Choose your dates flexibly and get the best deals on flights from Detroit to San Juan.

Tap 'Date' on the flight search bar to browse the calendar for Detroit to San Juan airfare over the next 6 months in 2025. If you're looking to fly within the next 3 months, the cheapest date seems to be Sun, Apr 6, with one-way flights starting at S$ 296.

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

Our extensive search lets you compare prices from over 500 airlines to find the cheapest flights from Detroit to San Juan. The cheapest flight at the moment is with Delta Air Lines.

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Book early or wait for last-minute deals.

It's always better to book early. Flight tickets are often at their lowest when first released, usually a year ahead of departure. Keep an eye out as soon as your desired flights open for booking. If you miss the early deals, you may still find lower prices closer to your travel date.

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

Find cheapest flight ticket from Detroit to San Juan

Cheapest one-way flight price	S$ 106
Cheapest return ticket price	S$ 460
Off-season for travel	March
Peak season for travel	December
Flight distance	3,105.25km
Average flight time	4 hours 56 minutes
Popular airline	Frontier Airlines