Cheap flights from Puerto Rico to Detroit from $142

The cheapest month to fly to Detroit from Puerto Rico is in October. Flight prices, which tend to average around $72, are often lower during this time because this is during the off-season. If you’re not able to fly to Detroit in October, then November is your next best option. Flight prices from Puerto Rico to Detroit during November average around $74.

On average, the least expensive day to fly to Detroit from Puerto Rico is on a Thursday. momondo users have found tickets for Thursday departures for as low as $293. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Puerto Rico to Detroit for around $574.

In the morning is the cheapest time of day to fly from Puerto Rico to Detroit when you can find flight prices for as low as $234. Flying to Detroit in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $451 on average. Flights to Detroit from Puerto Rico at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from San Juan Luis Munoz Marin Intl to Detroit Metropolitan Wayne County for the best Puerto Rico - Detroit flight prices

You are more likely to see cheaper flights to Detroit from Puerto Rico when booking weeks ahead of your departure date. In general, you can expect to find flights to Detroit for around $288 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Detroit from Puerto Rico for as low as $199 on momondo.

There are 4 cabin classes available to choose from on Puerto Rico to Detroit flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Frontier, JetBlue, and Delta are the most popular carriers operating from Puerto Rico to Detroit

Delta, Spirit Airlines and Frontier are the top three most popular airlines that fly to Detroit from Puerto Rico according to our data. Delta is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Detroit. Keep in mind that there are 3 different airlines that fly to Detroit on a routine basis, so you have a few additional options to choose from.

Historically, on average around 12% of flights between Puerto Rico and Detroit have experienced a delay on any given week. The average delay length over the past 12 months has been 130 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

As of May 2026, 3 flights take off from Puerto Rico and land in Detroit each day. The most common flight departure time for this route is 2:00PM, with 100% of daily flights taking off in the afternoon.

21 flights are operational weekly from Puerto Rico to Detroit as of May 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.