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Luis Munoz Marin Intl

$69+ Cheap flights from Michigan to Luis Munoz Marin Intl (SJU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — SJU
Nov 30 — Dec 71
Sun 11/30
Sun 12/7
1 adult, Economy
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Cheap flight deals from Michigan to Luis Munoz Marin Intl

Keep the following information in mind while searching for Michigan to Luis Munoz Marin Intl flight deals. Data was last updated October 31, 2025.

Round-trip from

$153
(Frontier)

One-way from

$69
(Frontier)

Popular in

May

Cheapest in

August

Average price

$282

Good round-trip deal

$400 or less

Good one-way deal

$204 or less
From Michigan to San Juan Luis Munoz Marin Intl
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One-way flight from Michigan to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 14% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Michigan to San Juan Luis Munoz Marin Intl.
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Price to beat on a one-way flight from Michigan to San Juan Luis Munoz Marin Intl.
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Find flight deals from Michigan to Luis Munoz Marin Intl

Cheapest flights from Michigan to Luis Munoz Marin Intl
Explore the most affordable flight options available from Michigan to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:10 amDTW - SJU
1 stop10h 09mSpirit Airlines
Thu 11/139:28 pmSJU - DTW
1 stop13h 19mSpirit Airlines
Deal found 10/28$192
This Cheapflightsfares deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:10 amDTW - SJU
1 stop7h 32mSpirit Airlines
Sat 11/2211:55 amSJU - DTW
1 stop11h 03mSpirit Airlines
Deal found 10/28$195
This Cheapflightsfares deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:10 amDTW - SJU
1 stop10h 09mSpirit Airlines
Sat 11/153:44 pmSJU - DTW
1 stop8h 45mSpirit Airlines
Deal found 10/28$201
This Trip.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2010:26 amDTW - SJU
1 stop13h 40mMultiple Airlines
Mon 11/247:10 amSJU - DTW
1 stop10h 21mMultiple Airlines
Deal found 10/30$202
This Cheapflightsfares deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:58 pmDTW - SJU
1 stop16h 34mSpirit Airlines
Sun 12/141:27 pmSJU - DTW
1 stop11h 32mSpirit Airlines
Deal found 10/30$204
This CheapOair deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/279:01 pmDTW - SJU
1 stop12h 48mSpirit Airlines
Mon 12/81:27 pmSJU - DTW
1 stop11h 32mSpirit Airlines
Deal found 10/28$205
This Frontier deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/273:33 pmDTW - SJU
1 stop10h 21mFrontier
Thu 12/49:15 amSJU - DTW
2 stops24h 11mFrontier
Deal found 10/30$208
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/204:51 pmORD - SJU
1 stop21h 37mMultiple Airlines
Mon 11/245:19 pmSJU - ORD
1 stop28h 02mMultiple Airlines
Deal found 10/30$210
This Priceline deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:00 amORD - SJU
1 stop12h 08mMultiple Airlines
Fri 12/124:10 amSJU - ORD
1 stop8h 58mMultiple Airlines
Deal found 10/30$211
This Frontier deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1412:24 pmDTW - SJU
1 stop13h 30mFrontier
Sat 11/229:54 pmSJU - DTW
1 stop11h 02mFrontier
Deal found 10/30$211
This Cheapflightsfares deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/165:10 amORD - SJU
1 stop10h 09mSpirit Airlines
Sat 11/224:12 pmSJU - ORD
Nonstop5h 11mSpirit Airlines
Deal found 10/30$212
This Cheapflightsfares deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/314:50 pmDTW - SJU
1 stop8h 54mSpirit Airlines
Tue 11/43:44 pmSJU - DTW
1 stop8h 45mSpirit Airlines
Deal found 10/28$212

Cheapflights Fare Finder

 
Customize your flight search to find flights from Michigan to Luis Munoz Marin Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 31, 2025.
Use the filters below to find and compare flights from Michigan to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Michigan

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sun 2/8

2:20 pm-9:00 pm

Nonstop4h 40m

San Juan Luis Munoz Marin Intl

Fri 2/13

8:35 am-11:57 am

Nonstop5h 22m

$218

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Mon 1/12

2:20 pm-9:00 pm

Nonstop4h 40m

San Juan Luis Munoz Marin Intl

Wed 2/4

2:05 am-10:53 am

1 stop10h 48m

$223

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Wed 1/21

2:20 pm-9:00 pm

Nonstop4h 40m

San Juan Luis Munoz Marin Intl

Wed 1/28

2:05 am-9:40 am

1 stop9h 35m

$223

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Sun 2/22

9:00 am-10:22 pm

2 stops12h 22m

San Juan Luis Munoz Marin Intl

Tue 2/24

8:35 am-5:33 pm

1 stop9h 58m

$225

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Tue 3/3

12:50 pm-12:36 am

2 stops10h 46m

San Juan Luis Munoz Marin Intl

Mon 3/9

1:05 am-12:45 pm

2 stops11h 40m

$225

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Mon 1/19

2:49 pm-11:44 pm

1 stop6h 55m

San Juan Luis Munoz Marin Intl

Tue 2/3

7:00 am-5:45 pm

1 stop12h 45m

$227

ChicagoSan Juan

MDW - SJU

MDWSJU

Chicago Midway

Sun 11/16

6:15 am-3:19 pm

1 stop7h 04m

San Juan Luis Munoz Marin Intl

Sun 11/23

7:15 am-4:30 pm

1 stop11h 15m

$227

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sun 1/18

5:33 am-5:17 pm

1 stop9h 44m

San Juan Luis Munoz Marin Intl

Fri 1/30

7:00 am-5:45 pm

1 stop12h 45m

$227

LansingSan Juan

LAN - SJU

LANSJU

Lansing Capital City

Sat 1/17

6:55 am-12:30 pm

2 stops28h 35m

San Juan Luis Munoz Marin Intl

Fri 1/23

6:00 am-11:10 pm

1 stop18h 10m

$235

South BendSan Juan

SBN - SJU

SBNSJU

South Bend/Michiana

Thu 11/27

6:00 am-10:10 am

2 stops27h 10m

San Juan Luis Munoz Marin Intl

Thu 12/4

8:18 am-10:52 pm

1 stop15h 34m

$235

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 results
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Best time to book a flight from Michigan to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Michigan with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Michigan to San Juan Luis Munoz Marin Intl Airport

What is the cheapest month to book a flight from Michigan to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Michigan to San Juan Luis Munoz Marin Intl Airport (average of $132). Flying from Michigan to San Juan Luis Munoz Marin Intl Airport in April is currently the most expensive (average of $212). 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 Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 31, 2025.

It’s typically best to fly out from Michigan to San Juan Luis Munoz Marin Intl Airport in the afternoon. Doing so could potentially save you 24% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Michigan to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Michigan to Luis Munoz Marin Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Michigan to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Saturday evenings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Michigan to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Michigan to San Juan Luis Munoz Marin Intl Airport?

    United Airlines, Delta, and Frontier can get you from Michigan to San Juan Luis Munoz Marin Intl Airport in just under 4h 40m. Your travel time can differ by up to 2h 24m. Airlines will cover a distance of 2073 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Michigan to San Juan Luis Munoz Marin Intl Airport one-way?

    One-way options have recently been found by users for as low as $75 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $84 and United Airlines from $113 one-way.

  • What are the most popular routes from Michigan to San Juan Luis Munoz Marin Intl Airport?

    Most travelers choose Chicago O'Hare Intl - San Juan Luis Munoz Marin Intl, Detroit Metropolitan Wayne County - San Juan Luis Munoz Marin Intl or Chicago Midway - San Juan Luis Munoz Marin Intl when deciding on the best route from Michigan to San Juan Luis Munoz Marin Intl Airport.

  • What are the most reliable airlines from Michigan to San Juan Luis Munoz Marin Intl Airport?

    No one likes to see their flight delayed. When booking a flight from Michigan to San Juan Luis Munoz Marin Intl Airport consider choosing WestJet (93%), Delta (91%) or Spirit Airlines (89%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Michigan to San Juan Luis Munoz Marin Intl Airport?

    While on average a flight from Michigan to San Juan Luis Munoz Marin Intl Airport is generally $468, our data shows the cheapest flight currently is $150. When looking at the most popular route, (Chicago O'Hare Intl - San Juan Luis Munoz Marin Intl), you can expect to pay $192 for that flight.

  • Can I find deals for flights from Michigan to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Michigan to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Michigan to Luis Munoz Marin Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Michigan to Luis Munoz Marin Intl.

  • Can I find deals for business class flights from Michigan to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Michigan to Luis Munoz Marin Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Michigan to San Juan Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Michigan to San Juan Luis Munoz Marin Intl Airport (average of $132). Flying from Michigan to San Juan Luis Munoz Marin Intl Airport in April is currently the most expensive (average of $212). 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.

See more FAQs

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Dorado
Fajardo
Rio Grande
Luquillo
Humacao

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Alternative routes for Michigan to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Michigan to Luis Munoz Marin Intl

Discover the top 7 airlines that operate flights from Michigan to Luis Munoz Marin Intl. 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 2,558,603 searches. Data last updated October 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$124Average$253FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$152Average$277FlexibilityNo cancel feeOn-time65%
DeltaCheapest$235Average$549FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$256Average$594FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$264Average$559FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$281Average$367FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$385Average$580FlexibilityNo cancel feeOn-time63%

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