Cheap flights from San Juan to Detroit

Luis Muñoz Marín
SJU
Detroit
DTT

Flight deals from San Juan to Detroit

Below you can see the best deals on flights San Juan — Detroit for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 12 September, from $122.

Top 10 cheap flights from San Juan to Detroit

F9
F9
$ 122

San Juan — Detroit

03:08—23:27
12 Sep 2026
20 h 19 m
1 stop
F9
F9
$ 125

San Juan — Detroit

08:45—23:27
9 Sep 2026
14 h 42 m
1 stop
F9
F9
$ 127

San Juan — Detroit

03:08—23:27
9 Sep 2026
20 h 19 m
1 stop
F9
F9
$ 130

San Juan — Detroit

09:30—10:43
12 Sep 2026
25 h 13 m
1 stop
F9
F9
$ 134

San Juan — Detroit

08:45—23:27
9 Sep 2026
38 h 42 m
1 stop
F9
F9
$ 147

San Juan — Detroit

14:14—16:48
5 Sep 2026
26 h 34 m
1 stop
XP
XP
$ 149

San Juan — Detroit

19:00—11:32
12 Sep 2026
16 h 32 m
1 stop
F9
F9
$ 151

San Juan — Detroit

06:35—17:22
26 Aug 2026
10 h 47 m
1 stop
F9
F9
$ 155

San Juan — Detroit

06:35—12:55
2 Sep 2026
30 h 20 m
1 stop
F9
XP
$ 157

San Juan — Detroit

08:45—11:32
5 Sep 2026
26 h 47 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the San Juan — Detroit flight

Looking for cheap flights from San Juan to Detroit? Compare fares from different airlines, check the flight schedule and travel time — and book your San Juan — Detroit ticket online at the best price.

The route has direct flights — around 14 flights per week, flights are operated by Spirit Airlines, Delta, a nonstop flight takes about 4 h 39 min, the distance between the cities is around 3,100 km.

Planning your trip? You may find our Detroit travel guide, how to get from the airport into town and Detroit weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $122Min. price
SeptemberCheapest
MarchPeak season
YesDirect flights
3,100 kmDistance
4 h 39 minTravel time
2Airlines
14 / wkFlights

Flight ticket prices by day: San Juan — Detroit

Below is a calendar of the lowest flight ticket prices for San Juan — Detroit by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $122 in September, and the most expensive are around $319 in March. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from San Juan to Detroit by month. Tickets are usually cheapest in September (around $300) and priciest in March (about $480) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$456highMay$348mediumSep$300low
Feb$444highJun$456highOct$312low
Mar$480highJul$468highNov$384medium
Apr$324lowAug$420mediumDec$468high

Some values are estimated based on seasonality.

When to fly

Weather in Detroit: it is warmest in July (up to 28 °C on average) and coolest in January (around 1 °C). The driest month is January.

Tickets are usually cheapest in September and most expensive in March. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Detroit

Dry and wet days · Detroit

Wind speed and direction · Detroit

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How to get the best deal on a San Juan — Detroit ticket

  • Book ahead: fares for San Juan — Detroit are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to Detroit is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the San Juan — Detroit route are operated by 2 airlines; Spirit Airlines runs the most flights (around 79% of all flights). Compare carriers, flight shares and schedules below.

  • Spirit AirlinesNK
    4x/week
    WebsiteFleet: 20544.1M pax/year
    • Direct flight SJU → DTW4x/week
    78.6%Open →
  • DeltaDL
    1x/week
    WebsiteFleet: 986190M pax/year
    • Direct flight SJU → DTW1x/week
    21.4%Open →

Cities and airports on the San Juan — Detroit route

Flights San Juan — Detroit depart from Luis Muñoz Marín International Airport and arrive at Detroit Metropolitan Wayne County Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

San Juan

SJU
Puerto Rico
About the cityHow to get thereWeatherAll about the country Puerto Rico
Arrival

Detroit

DTT
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the San Juan — Detroit flight

How long is the flight from San Juan to Detroit?

A nonstop San Juan — Detroit flight takes about 4 h 39 min — the distance between the cities is around 3,100 km.

How far is it from San Juan to Detroit?

The distance from San Juan to Detroit is about 3,100 km, which a nonstop flight covers in around 4 h 39 min.

Are there direct flights from San Juan to Detroit?

Yes, there are nonstop flights San Juan — Detroit — around 14 flights per week.

Which airlines fly from San Juan to Detroit?

Airlines operating San Juan — Detroit include Spirit Airlines, Delta. See the full list with schedules in the "Airlines" section on this page.

Which airports do San Juan — Detroit flights use?

Flights from San Juan depart from Luis Muñoz Marín International Airport, and arrive at Detroit Metropolitan Wayne County Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from San Juan to Detroit?

The price of a San Juan — Detroit ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in March. Tickets typically cost between $122 and $319. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights San Juan — Detroit?

Flights San Juan — Detroit are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from San Juan to Detroit?

To catch a low fare San Juan — Detroit, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from San Juan

See all
OrlandoNew York CityFort LauderdalePhiladelphiaMiamiSanto DomingoPunta CanaAtlantaDallasCharlotte AmalieChicagoHoustonTampaWashington, D.C.BostonTortolaPanama CityHartfordMadridMedellínGustaviaCharlotteBogotaJacksonvilleSaint CroixMexico CityViequesSan AntonioRaleighTorontoDominicaVirgin GordaClevelandSantiagoCulebraSan JoséProvidenceMinneapolisThe ValleyMontreal

Where else you can fly from Detroit

See all
New York CityChicagoTorontoAtlantaWashington, D.C.LansingDallasLos AngelesMinneapolisOrlandoHoustonSeattleBostonCharlotteLas VegasDenverPhoenixMontrealFort LauderdalePhiladelphiaClevelandNashvilleIndianapolisPittsburghSalt Lake CityBuffaloCincinnatiFort MyersColumbusSan FranciscoMemphisRaleighTampaGrand RapidsAlbanyProvidenceKnoxvilleLouisvilleMilwaukeeTraverse City

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