San Juan (SJU) to Detroit (DTW) at a glance

Travel from San Juan (SJU) to Detroit (DTW) on this international short-haul route, where you can choose from a range of airlines. Whether you prefer full-service or low-cost carriers, you’ll find options that align with your budget and schedule as you set out to explore the iconic sights and neighborhoods of Detroit. Discover key flight details for your journey from Luis Munoz Marin International Airport to Detroit Metropolitan Wayne County Airport.

• Fastest flight duration: around 4h 45m non-stop
• Route distance: roughly 1,900 miles (3,060 km)
• Flights per week: around 15+ flights with multiple daily departures on average
• Typical fares (one-way): economy tickets often range from $90–$545, depending on seasonality and how far ahead you book

Flights from Luis Munoz Marin International Airport (SJU) to Detroit Metropolitan Wayne County Airport (DTW)

Based on the latest traveler bookings, here are the top airlines favored for flights from San Juan to Detroit, whether you prefer non-stop or one-stop options. Popular layover airports include Orlando International Airport (MCO) with a typical layover of about 3 hours, Baltimore Washington International Thurgood Marshall Airport (BWI) with around a 1-hour layover, and Charlotte-Douglas International Airport (CLT), also offering approximately a 1-hour layover. This variety allows you to balance price, total travel time, and cabin class to create the ideal itinerary.

• Delta: This full-service airline provides both non-stop and one-stop options, with one-way fares usually ranging from $105 to $725. Delta operates around 34% of departures on this route, with a typical non-stop flight duration of 4 hours and 45 minutes.
• American Airlines: Another full-service option, American Airlines offers one-stop flights priced between $105 and $515. It accounts for about 19% of departures, featuring an in-flight time of 6 hours and 15 minutes, culminating in a total travel time of around 7 hours and 30 minutes (including layovers).
• Frontier Airlines: As a low-cost carrier, Frontier provides one-stop service with fares generally falling between $90 and $335. This airline makes up approximately 18% of departures on this route, with an in-flight duration of 6 hours and 15 minutes, resulting in a total journey time of about 7 hours and 30 minutes.
• Southwest Airlines: Offering budget-friendly travel with one-stop and multi-stop services, Southwest Airlines features one-way fares typically ranging from $100 to $490. This airline represents around 15% of departures, with a typical one-stop flight taking 6 hours and 15 minutes in the air and a total journey time of roughly 7 hours and 30 minutes.
• JetBlue Airways: This low-cost carrier provides one-stop service, with one-way fares commonly between $105 and $485. JetBlue accounts for about 8% of the departures on this route, boasting an in-flight duration of 6 hours and 15 minutes and a total travel time of approximately 7 hours and 30 minutes, including layovers.

Travelers flying from San Juan to Detroit have the option to upgrade their experience. Delta offers first class, business class, and premium economy, while United provides first class service only.

Best time to fly from San Juan (SJU) to Detroit (DTW)

The most popular months for travelers flying from San Juan to Detroit are February, March, and April, when peak temperatures in Detroit reach up to 46.8°F in April. If you prefer quieter travel, consider October, the least busy time to visit with temperatures around 54.5°F and typically the lowest average one-way fare (around $222). Flight availability peaks in March, with approximately 23 flights per week, making it easier to find convenient departure times. August and September have the fewest flights, with approximately 11 flights per week.

• Cheapest time to fly: October usually offers good deals with average one-way fare around $222, roughly 18% cheaper than the yearly average.
• Another budget-friendly time to fly: July typically offers an average one-way fare of around $249.
• Most flight options: March has the highest number of flights from San Juan to Detroit, with approximately 23 flights per week, giving you more flexibility in scheduling your trip.

Month	Temperature	Demand	Weekly Flights	Average one-way Fare
January	25.3°F (-3.7°C)	Average	15	$351
February	26.2°F (-3.2°C)	High	16	$290
March	36.3°F (2.4°C)	High	23	$280
April	46.8°F (8.2°C)	High	18	$315
May	59.4°F (15.2°C)	Average	14	$257
June	68.9°F (20.5°C)	Average	14	$267
July	74.1°F (23.4°C)	Average	12	$249
August	72.9°F (22.7°C)	Low	11	$253
September	66.6°F (19.2°C)	Low	11	$297
October	54.5°F (12.5°C)	Low	12	$222
November	41.9°F (5.5°C)	Average	17	$256
December	32.9°F (0.5°C)	Average	17	$254

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from San Juan (SJU) to Detroit (DTW)

• San Juan to Flint (SJU-FNT): Bishop International Airport (FNT) is located approximately 56 miles from Detroit Metropolitan Wayne County Airport (DTW). One-way economy ticket prices for this route generally vary between $120 and $550, influenced by the season and how early you book. Travelers usually find one-stop flights available, with most connections occurring via O'Hare International Airport (ORD). The primary airlines operating on this route include United and American Airlines.
• Aguadilla to Detroit (BQN-DTW): Rafael Hernandez Airport (BQN) lies around 74 miles from Luis Munoz Marin International Airport (SJU). One-way economy fares typically range from $90 to $475, contingent on the season and booking timeframe. This route often features one-stop flights, with common layover locations including Orlando International Airport (MCO) and Newark Liberty International Airport (EWR). Key airlines serving this route consist of low-cost carrier Frontier Airlines and United.

How to find the best prices for flights from San Juan (SJU) to Detroit (DTW)

Getting some of the best deals on flights from San Juan to Detroit is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are usually available when booking 2-8 weeks in advance, which aligns with when most travelers make their reservations. Evening departures (6 PM-12 AM) often offer lower prices, while afternoon flights (12 PM-6 PM) are the most popular. Additionally, flying on Thursday typically results in cheaper fares, although Saturday remains the most favored travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Detroit Metropolitan Wayne County Airport from Luis Munoz Marin International Airport

Detroit welcomes travelers from San Juan with a range of transport options based on price, convenience, and proximity. For departures, Luis Munoz Marin International Airport is roughly a 15-minute drive (covering about 10 miles) from central San Juan. Here's how to reach Detroit efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Detroit, with private rides that can be arranged in advance.
• Car rental: Renting a car from Detroit Metropolitan Wayne County Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Detroit Metropolitan Wayne County Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Detroit Metropolitan Wayne County Airport, Dearborn Station, a train station, is located about 8.3 miles away.