On this page, you can find and book flights for the San Juan — Detroit route. The 3,100 km flight operates regularly, with an average of about 5 flights per week between Puerto Rico and the USA.
The main carriers on this route are Delta Air Lines and Spirit Airlines. Ticket prices are dynamic, so to choose the best date, we recommend checking the price chart and finding out how to get to the departure airport and options for traveling from the terminal to 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 AED 583 in y, and the most expensive are around AED 1,229 in n. 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.
San Juan → Detroit, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | AED 1,770 | high | May | AED 1,351 | medium | Sep | AED 1,164 | low |
| Feb | AED 1,723 | high | Jun | AED 1,770 | high | Oct | AED 1,211 | low |
| Mar | AED 1,863 | high | Jul | AED 1,816 | high | Nov | AED 1,490 | medium |
| Apr | AED 1,257 | low | Aug | AED 1,630 | medium | Dec | AED 1,816 | high |
Some values are estimated based on seasonality.
The warmest weather in Detroit occurs in July, when average temperatures reach 27.9°C. The coldest month is January, with temperatures as low as -5.4°C, and peak precipitation occurs in April, which may affect travel comfort.
The lowest flight cost was recorded in September, starting AED 735. The most expensive month to plan a trip is March, when ticket prices rise to AED 1,229.
In terms of balancing weather conditions and ticket prices, June is the optimal choice. It is recommended to avoid the spring months if budget savings are your priority.
Regular air service between San Juan and Detroit is provided by two airlines: Delta Air Lines and Spirit Airlines. Most flights are operated by Delta, which offers the most consistent flight schedule. Detailed schedules, travel time information, and available days of the week are provided in the interactive list below.
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.
A direct flight between the cities, covering a distance of 3,100 km, takes about 4 hours on average.
Regular flights from San Juan to Detroit are operated by Delta Air Lines and Spirit Airlines.
Flight prices change constantly depending on the season and demand; you can check the current minimum in the low-fare calendar on this page.
Flights from Puerto Rico arrive at Detroit's main international airport (DTT).
To find the best price, we recommend monitoring fares 1–2 months before your trip, using the price dynamics tools to track great deals.
Where travelers fly most — pick a route and check prices
