Cheap flights from Michigan to San Juan
DTW — SJU
Oct 25 — Nov 11
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Find flight deals from Michigan to San Juan
Keep the following information in mind while searching for Michigan to San Juan flight deals. Data was last updated September 25, 2026.
Popular in | December |
|---|---|
Cheapest in | April |
Average price | $369 |
Cheapflights Insights
Everything you need to know about your flight from Michigan to San Juan
How far ahead should I book a flight from Michigan to San Juan?
The best time to book flights from Michigan to San Juan is 1 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Michigan to San Juan?
Currently, May is the cheapest month in which you can book a flight from Michigan to San Juan (average of $387). Flying from Michigan to San Juan in December is currently the most expensive (average of $611). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from MI to SJU?
Find hourly flight availability from Michigan to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 25, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Michigan to San Juan as you normally would.
Related info for your journey
Find useful and relevant information for your journey from Michigan to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Michigan to San Juan
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Juan by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Michigan to San Juan by cabin class
Find flights from Michigan to San Juan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Michigan and San Juan flights
Browse other Michigan and San Juan flight options. Last updated on September 25, 2026.
Popular flight searches
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Michigan to San Juan flights
Consider these flights traveling from Michigan to San Juan.
Top 6 airlines flying from Michigan to San Juan
Discover the top 6 airlines that operate flights from Michigan to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$306 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$212 | Average$385 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$232 | Average$561 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$235 | Average$514 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$243 | Average$538 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$342 | Average$531 | FlexibilityNo cancel fee | On-time63% |