Cheap flights from Detroit to Puerto Rico from $74

If you don’t want to visit Puerto Rico in October, then you should wait until September to fly from Detroit, when ticket prices are also cheap, with an average price of $315.

On average, the least expensive day to fly to Puerto Rico from Detroit is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $565. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Friday, with ticket prices averaging around $679.

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

You are more likely to see cheaper flights to Puerto Rico from Detroit when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $426 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from Detroit for as low as $368 on momondo.

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

No. A direct flight is the cheapest option for a flight between Detroit to Puerto Rico.

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

Delta, Frontier and American Airlines are the top three most popular airlines that fly to Puerto Rico from Detroit according to our data. Delta is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Puerto Rico. Keep in mind that there are 6 different airlines that fly to Puerto Rico on a routine basis, so you have a few additional options to choose from.

As of August 2026, there are 1 flights per day flying from Detroit to Puerto Rico. The most common time of day flights depart is 8:00AM, with 100% of flights taking off at noon.

As of August 2026, 9 flights take off from Detroit and land in Puerto Rico each week. The most common flight departure day for this route is Wed, with 22% of weekly flights taking off on this day.