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Cheap Flights from Detroit Wayne County to San Juan

Compare Detroit Wayne County to San Juan flight deals

Find the cheapest month or even day of the year to fly to San Juan

Book the best San Juan fare with no extra fees

Flight deals from Detroit Wayne County to San Juan

Looking for a cheap last-minute deal or the best return flight from Detroit Wayne County to San Juan? Find the lowest prices on one-way and return tickets right here.
San Juan.R 1,218 per passenger.Departing Mon, 2 Feb.One-way flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Detroit Wayne County on Mon, 2 Feb, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 1,218, select.
San Juan.R 1,218 per passenger.Departing Sat, 10 Jan.One-way flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Detroit Wayne County on Sat, 10 Jan, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 1,218, select.
San Juan.R 1,480 per passenger.Departing Mon, 2 Mar.One-way flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Detroit Wayne County on Mon, 2 Mar, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 1,480, select.
San Juan.R 1,621 per passenger.Departing Sat, 15 Nov.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Detroit Wayne County on Sat, 15 Nov, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 1,621, select.
San Juan.R 1,627 per passenger.Departing Sat, 25 Oct.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Detroit Wayne County on Sat, 25 Oct, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 1,627, select.
San Juan.R 1,777 per passenger.Departing Mon, 1 Dec.One-way flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Detroit Wayne County on Mon, 1 Dec, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 1,777, select.
San Juan.R 2,238 per passenger.Departing Mon, 17 Nov.One-way flight with Delta.Outbound direct flight with Delta departs from Detroit Wayne County on Mon, 17 Nov, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 2,238, select.
San Juan.R 3,350 per passenger.Departing Thu, 30 Apr.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Detroit Wayne County on Thu, 30 Apr, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 3,350, select.
San Juan.R 3,350 per passenger.Departing Fri, 1 May.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Detroit Wayne County on Fri, 1 May, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 3,350, select.
San Juan.R 3,619 per passenger.Departing Fri, 1 May.One-way flight with Delta.Outbound direct flight with Delta departs from Detroit Wayne County on Fri, 1 May, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 3,619, select.
San Juan.R 3,709 per passenger.Departing Wed, 10 Dec.One-way flight with Delta.Outbound direct flight with Delta departs from Detroit Wayne County on Wed, 10 Dec, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 3,709, select.
San Juan.R 4,629 per passenger.Departing Fri, 24 Oct.One-way flight with Delta.Outbound direct flight with Delta departs from Detroit Wayne County on Fri, 24 Oct, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 4,629, select.
San Juan.R 7,012 per passenger.Departing Thu, 30 Apr.One-way flight with Delta.Outbound direct flight with Delta departs from Detroit Wayne County on Thu, 30 Apr, arriving in San Juan Luis Munoz Marin.Price includes taxes and charges.From R 7,012, select.

Find the cheapest month to fly from Detroit Wayne County to San Juan

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Detroit Wayne County to San Juan flights are currently cheapest in January.
Oct
from R 1,627
Nov
from R 1,621
Dec
from R 1,777
Jan
from R 1,218
Feb
from R 1,218
Mar
from R 1,480
Apr
from R 3,350
May
from R 3,350
Jun
Find prices
Jul
Find prices
Aug
Find prices
Sep
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Direct flights from Detroit Wayne County to San Juan

Alternative Detroit Wayne County to San Juan routes

Looking for the cheapest, fastest or easiest route from Detroit Wayne County to San Juan? You could fly into the following airports instead.

Detroit to San Juan: Flight information

The things to know before you go.
Cheapest flight foundR 1,218
Cheapest month to flyJanuary
Average flight time4 hrs, 23 mins
Most popular airlineWestJet
Average flights per week48

Finding cheap flights from Detroit Wayne County to San Juan: Frequently asked questions

There are 6 airports in San Juan: San Juan Isla Grande, San Juan Luis Munoz Marin, Roosevelt Roads, Ponce, Vieques, and Culebra.
The best price we found for a return flight from Detroit Wayne County to San Juan is R 2,436. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 23 minutes is the average flight time from Detroit Wayne County to San Juan.
WestJet, Delta and Spirit Airlines fly direct from Detroit Wayne County to San Juan.
As of October 2025, there are 16 flights per week flying from Detroit Wayne County to San Juan.
The cheapest month to fly from Detroit Wayne County to San Juan is usually February.
If you're flying from Detroit Wayne County Airport, the cheapest airport near San Juan is San Juan Luis Munoz Marin – which is 11.3 km away from the centre of San Juan. We've found flights into this airport from R 2,436.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Detroit Wayne County Airport to San Juan on Monday, 2 February 2026.
Yes – the average flight time is 4 hours and 23 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Juan but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Juan is around 40 days in advance, so don’t leave your flight to the last minute.
In October, the average temperature is usually around 27°C. August is typically the warmest month in San Juan, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging 23°C. The rainiest month is September.
Currently, Spirit Airlines offers the cheapest flight tickets to San Juan.

Flying from Detroit Metropolitan Wayne County Airport (DTW) to San Juan: what you need to know

  • The average duration of a direct flight from Detroit Metropolitan Wayne County Airport to San Juan is 4 hours 50 minutes.

  • San Juan's timezone is UTC-4, which is the same as Detroit (the location of Detroit Metropolitan Wayne County Airport).

  • The most popular route is from Detroit Metropolitan Wayne County Airport (DTW) to Luis Munoz Marin International Airport (SJU). You can select from six services every week between these two airports. Delta Air Lines offers a 08:25 departure between DTW and SJU.

  • For stress-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This leaves you with plenty of time to catch your DTW to San Juan flight.

  • Longer lines at security and check-in are likely if you're flying during high season, so allow some extra breathing room. A good rule of thumb for peak times? Arrive up to four hours ahead for international flights and two hours for domestic departures.

  • Begin your trip at DTW and travel nonstop to Luis Munoz Marin International Airport (SJU). That's where you can expect to land when searching for Detroit Metropolitan Wayne County Airport to San Juan tickets.

  • Book your seat with Delta Air Lines. This airline operates direct flights from Detroit Metropolitan Wayne County Airport to San Juan.

  • Stopovers are the perfect opportunity to take a break from travelling and perhaps even explore a different city. When searching for flight tickets from DTW to San Juan, uncheck the 'Direct flights only' box to see where you can visit along the way. Popular options include:

    • Charlotte Douglas International Airport (CLT)

    • Washington Dulles International Airport (IAD)

    • Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Travelling from central Detroit to DTW takes around 1 hour 10 minutes on public transport. If you drive, ride-share or get a cab, you'll cover the 29 kilometres in 25 minutes or so, depending on traffic conditions.

  • In search of a hotel near DTW? If you're catching an early flight from Detroit Metropolitan Wayne County Airport to San Juan, these accommodation options will put you moments from check-in:

  • When it comes to Detroit Metropolitan Wayne County Airport's on-time performance, data shows 75.1% of flights complete their journey on time.

  • DTW is located at 1 Detroit Metro Airport.

How to find the cheapest flights from Detroit Metropolitan Wayne County Airport (DTW) to San Juan

  • The lowest price we've found for a one-way Detroit Metropolitan Wayne County Airport to San Juan flight is R 1,218. The cheapest price for a return flight is R 2,436. Remember fares may change due to availability at the time of booking.

  • To secure cheap flights from DTW to San Juan, book your trip one month before your planned departure.

  • The best month for finding cheap Detroit Metropolitan Wayne County Airport to San Juan tickets is May. Use the 'Whole month' tool to compare prices, then choose the dates that offer the lowest fares.

  • Picking up a cheap flight from DTW to San Juan couldn't be easier with Price Alerts. Simply create one of these automatic notifications and we'll get in touch as soon as a cheaper option becomes available.

  • Pick your preferred arrival and departure times, number of stops and airlines with our filters. Then, sort the results for your flight from Detroit Metropolitan Wayne County Airport to San Juan by 'Fastest,' 'Cheapest' or 'Best.'

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

  • The distance from Luis Munoz Marin International Airport (SJU) to central San Juan is roughly 8 kilometres. It'll take you about 10 minutes to get to the centre driving.

  • When travelling on public transport, expect a journey time of about 55 minutes.

  • Consider staying in a hotel near SJU if you have a late flight from Detroit Metropolitan Wayne County Airport to San Juan. Choose one of these accommodation options and make your first night all about catching up on rest:

  • Hit the road running by picking up a Luis Munoz Marin International Airport rental car. Grab your wheels from Sixt, Ace Rent a Car or U-Save and explore beyond San Juan's main sights.

  • Reserving your ride from Luis Munoz Marin International Airport around two weeks before your flight from DTW to San Juan can help you get the best possible rate.

Fernando Luis Ribas Dominicci Airport (SIG)

  • The centre of San Juan is around 8 kilometres from Fernando Luis Ribas Dominicci Airport (SIG). Once your flight from Detroit Metropolitan Wayne County Airport to San Juan has landed and you've made your way to arrivals, expect a drive of around 15 minutes.

  • If you travel by public transport, the journey will take you 1 hour or so.

  • Hang up the 'Do not disturb' sign and rest at a hotel close to SIG. Here are a few options where you can kick back after your DTW to San Juan flight:

Best time to go to San Juan

  • Plan your trip to San Juan during peak season if you want a bustling atmosphere, but remember that prices are typically higher. Alternatively, book flights from Detroit Metropolitan Wayne County Airport to San Juan in the off-season when prices are cheaper and it's quieter.

  • The warmest month in San Juan is September, with temperatures ranging between 23ºC (73ºF) and 33ºC (91ºF). Lock in your Detroit Metropolitan Wayne County Airport to San Juan flight ticket then if you enjoy this type of weather.

  • Look for cheap tickets from DTW to San Juan in February if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 20ºC (68ºF) and 28ºC (82ºF) on average.

More about San Juan

  • After booking your flight from Detroit Metropolitan Wayne County Airport to San Juan, choose a hotel that puts you right where the action is. Make one of these options your base for exploring San Juan:

  • There are so many things to see and do in this city it can be tricky to work out where to begin. La Garita del morro de san juan bahia, Castillo San Felipe del Morro and Fortaleza Street are popular attractions which should be on any well-planned San Juan itinerary.

Explore more of Puerto Rico

  • Aguadilla is just one of the many cities in Puerto Rico waiting to be discovered once you've seen San Juan. Around 113 kilometres away to the west, top sights here include El Parterre, Aguadilla Ice Skating Arena and Bandera de los Reyes Magos.

  • If you're ready to explore another great destination in Puerto Rico, consider Isabela, roughly 105 kilometres west of San Juan. Amarillo Mango, Urb. Llanos Piscina Park and Noches de Artesania are highlights.

Plan the rest of your trip from Detroit to San Juan

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.