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San Juan

$69+ Cheap flights from Michigan to San Juan

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 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap 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 October 30, 2025.

Round-trip from

$153
(Frontier)

One-way from

$69
(Frontier)

Popular in

May

Cheapest in

August

Average price

$282
From Michigan to San Juan
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One-way flight from Michigan to San Juan
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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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Find flight deals from Michigan to San Juan

Cheapest flights from Michigan to San Juan
Explore the most affordable flight options available from Michigan to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 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 San Juan 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 30, 2025.
Use the filters below to find and compare flights from Michigan to San Juan that are best for you.

Fly from

Michigan

Fly to

San Juan

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

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

ChicagoSan Juan

MDW - SJU

MDWSJU

Chicago Midway

Tue 1/20

10:53 am-11:44 pm

1 stop10h 51m

San Juan Luis Munoz Marin Intl

Wed 1/28

3:55 pm-10:26 pm

1 stop8h 31m

$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 San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan 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

What is the cheapest month to book a flight from Michigan to San Juan?

Currently, September is the cheapest month in which you can book a flight from Michigan to San Juan (average of $132). Flying from Michigan to San Juan 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 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 October 30, 2025.

It’s typically best to fly out from Michigan to San Juan in the evening. Doing so could potentially save you 30% 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?

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

Travelers seeking maximum savings on their Michigan to San Juan flight should consider departing on Monday 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 San Juan. 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?

    A quick flight from Michigan to San Juan can take about 4h 40m. United Airlines provides one of the quickest options available for as low as $218. Airlines will cover a distance of 2073 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Michigan to San Juan one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $75. However, be on the lookout for offers from Frontier and United Airlines, as they are both options that can get you from Michigan to San Juan for a low price.

  • What are the most popular routes from Michigan to San Juan?

    The most popular route from Michigan to San Juan is Chicago O'Hare Intl - San Juan Luis Munoz Marin Intl. You may also consider Detroit Metropolitan Wayne County - San Juan Luis Munoz Marin Intl or Chicago Midway - San Juan Luis Munoz Marin Intl.

  • What are the most reliable airlines from Michigan to San Juan?

    Before booking your flight to San Juan from Michigan, check out the most reliable airlines to get you to your destination on time: WestJet (93%), Delta (91%), Spirit Airlines( 89%).

  • What are the cheapest flights from Michigan to San Juan?

    On average you can expect to pay $468 for a flight from Michigan to San Juan. The cheapest flight overall is $150 while the most popular route, (Chicago O'Hare Intl - San Juan Luis Munoz Marin Intl) is currently priced at $192.

  • Can I find deals for flights from Michigan to San Juan that include hotel bookings?

    Yes. In addition to deals on Michigan to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Michigan to San Juan?

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

  • Can I find deals for business class flights from Michigan to San Juan?

    Yes. Cheapflights offers flight deals from Michigan to San Juan 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?

    Currently, September is the cheapest month in which you can book a flight from Michigan to San Juan (average of $132). Flying from Michigan to San Juan 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

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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.
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Top 7 airlines flying from Michigan to San Juan

Discover the top 7 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 2,558,603 searches. Data last updated October 30, 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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