$105 Cheap Flights from San Juan (SJU) to Detroit (DTW)

Popular airlines from Luis Munoz Marin Intl. Airport (SJU) to Detroit Metropolitan Wayne County Airport (DTW)

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Cheap Flights from San Juan to Detroit (SJU-DTW)

Prices were available within the past 7 days and start at $105 for one-way flights and $208 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Frontier Airlines
JetBlue Airways
Delta
American Airlines
Flights from San Juan (SJU) to Detroit (DTW)
Origin airport
Luis Munoz Marin Intl.
Destination airport
Detroit Metropolitan Wayne County
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$207
Distance
1932 mi

San Juan to Detroit Flights

The cheapest times to fly from San Juan to Detroit

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Juan to Detroit are during the month of June. You can find some of the cheapest flights from San Juan to Detroit with Expedia's search tool and vast selection of airlines.

The best time to book a flight from San Juan to Detroit

Sunday is one of the best days to book for cheap flights from San Juan to Detroit: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from San Juan to Detroit

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Juan to Detroit in 2025. You can also book with separate airlines for your outbound and return journeys, from $105 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Juan to Detroit flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Juan to Detroit airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to Detroit Metropolitan Wayne County Airport (DTW) cost?
Book cheap return fares starting at $250 from Luis Munoz Marin Intl. Airport (SJU) to Detroit Metropolitan Wayne County Airport (DTW). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Spirit Airlines flight leaving SJU on May 14 2025 and touching down at DTW. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from SJU to DTW?
The cheapest flights from SJU to DTW are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Luis Munoz Marin Intl. Airport (SJU) to Detroit Metropolitan Wayne County Airport (DTW)?
You can fly straight from Luis Munoz Marin Intl. Airport (SJU) to Detroit Metropolitan Wayne County Airport (DTW) on a Delta Air Lines flight.
What is the cheapest airline that flies from SJU to DTW?
Take off from SJU to DTW with Spirit Airlines. This airline currently has the cheapest one-way fare on this route, starting from $125. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SJU on July 18 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Detroit Metropolitan Wayne County Airport (DTW)?
On average, Luis Munoz Marin Intl. Airport (SJU) only has 1 direct flight to Detroit Metropolitan Wayne County Airport (DTW) each day. For more choices, try our easy-to-use filter tool. Simply enter your dates of travel, then choose “1 Stop” or “2+ Stops” to discover flights offering layovers.
What are the most popular departure times for flights from Luis Munoz Marin Intl. Airport (SJU) to Detroit Metropolitan Wayne County Airport (DTW)?
Flights between SJU and DTW are busiest at 3 PM. If you want a quieter trip and possibly cheaper fares, look for a departure that’s outside typical rush times.
What day of the week has the most flights from SJU to DTW?
If you depart on a Saturday, you’ll get the greatest range of options for flights from Luis Munoz Marin Intl. Airport (SJU) to Detroit Metropolitan Wayne County Airport (DTW).
What is the earliest flight from Luis Munoz Marin Intl. Airport (SJU) to Detroit Metropolitan Wayne County Airport (DTW)?
Take the earliest flight at around 1:40PM UTC-4, departing from Luis Munoz Marin Intl. Airport (SJU). You’ll be flying for around 4h 57m, landing at Detroit Metropolitan Wayne County Airport (DTW) at approximately 5:37PM UTC-5.
How long does it take to fly from Luis Munoz Marin Intl. Airport (SJU) to Detroit Metropolitan Wayne County Airport (DTW)?
It takes approximately 4 hours and 55 minutes to travel the 1,950 mi from SJU to DTW.
What airline has the least delays from SJU to DTW?
Delta Air Lines has the strongest track record for on-time direct flights from Luis Munoz Marin Intl. Airport (SJU) to Detroit Metropolitan Wayne County Airport (DTW), with an on-time score of 83%. Use the Expedia App to check your flight schedule before you head off and get immediate updates about any trip changes.
What is the best time to fly from Luis Munoz Marin Intl. Airport (SJU) to Detroit Metropolitan Wayne County Airport (DTW)?
Choose a flight from Luis Munoz Marin Intl. Airport (SJU) to Detroit Metropolitan Wayne County Airport (DTW) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Detroit from Luis Munoz Marin Intl. Airport (SJU)?
Check out your flight options from Luis Munoz Marin Intl. Airport (SJU) to Detroit Metropolitan Wayne County Airport (DTW). This is the only Detroit airport you can fly into if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from Luis Munoz Marin Intl. Airport (SJU) to Detroit Metropolitan Wayne County Airport (DTW) last-minute?
Booking your plane ticket from SJU to DTW shortly before your journey is generally more expensive. But if there’s some wiggle room with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a SJU to DTW flight and hotel package?
Compared with arranging flights and hotels separately, booking a SJU to DTW flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the hassle out of planning your trip. Simply pick your flights and select from our extensive range of stays, then personalize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Detroit Metropolitan Wayne County Airport (DTW)?
In most cases, you can modify or cancel your SJU to DTW flight. However, there may be additional charges, especially if you booked over 24 hours ago. Check your itinerary for the airline’s fees and guidelines on flight changes, or if you need further information, go to our Customer Service portal.

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