Cheap Flights from Detroit to San Juan from RM592 Return

Flight deals from Detroit to San Juan

Looking for cheap tickets from Detroit to San Juan, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

San Juan.RM592 per passenger.Departing Sat, 10 Jan, returning Mon, 12 Jan.Return 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.Inbound direct flight with Spirit Airlines departs from San Juan Luis Munoz Marin on Mon, 12 Jan, arriving in Detroit Wayne County.Price includes taxes and charges.From RM592, select.

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Flying from Detroit to San Juan

Arm yourself with these facts on the fly.

Cheapest flight found	RM592
Cheapest month to fly	January
Average flight time	4 hrs, 23 mins
Cheapest airport to fly from	Detroit Wayne County
Most popular airline	WestJet

How to find cheap flights from Detroit to San Juan

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Detroit to San Juan. Other savvy travellers recently found return flights from RM592 and one-way tickets from RM296 one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from Detroit Wayne County into San Juan Luis Munoz Marin

At the moment, the lowest priced flight tickets to San Juan are from Detroit Wayne County Airport to San Juan Luis Munoz Marin Airport.

Fly in January

We crunched the flight calendar and found the cheapest time to fly from Detroit to San Juan is currently January.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Detroit to anywhere you choose in San Juan.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Detroit to San Juan go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the San Juan to San Juan flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average Detroit to San Juan flight price?

We looked at all of the upcoming return flights from Detroit to San Juan we could find over the next 12 months. It looks like RM592 is the best price. This is good, compared to the average San Juan ticket price of RM592.

What is the cheapest month to fly from Detroit to San Juan?

The cheapest month to fly from Detroit to San Juan is currently January.

Which upcoming date is cheapest to fly from Detroit to San Juan on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Detroit to San Juan on Saturday, 10 January 2026.

Are there any direct flights from Detroit to San Juan?

Detroit Wayne County Airport offers direct flights to San Juan.

If I'm flying from Detroit, where in San Juan is cheapest to fly into?

If you're flying from Detroit, the cheapest city in San Juan to fly into is San Juan. The cheapest airport serving San Juan at the moment is San Juan Luis Munoz Marin.