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$84+ 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — SJU
Feb 28 — Mar 71
Fri 2/28
Fri 3/7
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 February 23, 2025.

Round-trip from

$158
(Cheapflightsfares)

One-way from

$84
(Cheapflightsfares)

Popular in

November

Cheapest in

April

Average price

$310
From Michigan to San Juan
Search Deals
One-way flight from Michigan to San Juan
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 23, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 2/22. 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.
Wed 4/307:33 pmDTW - SJU
1 stop14h 07mSpirit Airlines
Tue 5/61:10 amSJU - DTW
1 stop7h 32mSpirit Airlines
Deal found 2/22$158
This Gotogate deal was found by Cheapflights users on 2/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/209:40 pmDTW - SJU
1 stop27h 18mFrontier
Wed 4/29:35 pmSJU - DTW
1 stop10h 25mFrontier
Deal found 2/21$160
This FlightHub deal was found by Cheapflights users on 2/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/95:00 amDTW - SJU
1 stop13h 44mMultiple Airlines
Wed 4/166:21 amSJU - DTW
1 stop11h 24mMultiple Airlines
Deal found 2/23$162
This Cheapflightsfares deal was found by Cheapflights users on 2/22. 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 4/18:42 pmORD - SJU
Nonstop4h 41mSpirit Airlines
Mon 4/76:25 pmSJU - ORD
1 stop15h 04mSpirit Airlines
Deal found 2/22$167
This Trip.com deal was found by Cheapflights users on 2/23. 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 4/1010:19 amMDW - SJU
1 stop14h 31mFrontier
Mon 4/1412:59 amSJU - MDW
1 stop19h 52mFrontier
Deal found 2/23$167
This Kiwi.com deal was found by Cheapflights users on 2/22. 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.
Tue 4/19:22 amORD - SJU
1 stop6h 59mMultiple Airlines
Thu 4/34:30 amSJU - ORD
Nonstop5h 36mMultiple Airlines
Deal found 2/22$168
This Frontier deal was found by Cheapflights users on 2/22. 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.
Sat 3/81:30 pmORD - SJU
1 stop10h 10mFrontier
Sat 3/155:25 amSJU - ORD
1 stop7h 45mFrontier
Deal found 2/22$171
This Frontier deal was found by Cheapflights users on 2/22. 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.
Sat 3/85:50 pmGRR - SJU
1 stop6h 50mFrontier
Tue 3/185:35 amSJU - GRR
1 stop13h 12mFrontier
Deal found 2/22$171
This United Airlines deal was found by Cheapflights users on 2/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/29:20 amORD - SJU
1 stop10h 26mUnited Airlines
Sun 3/22:05 amSJU - ORD
1 stop9h 00mUnited Airlines
Deal found 2/22$266
This American Airlines deal was found by Cheapflights users on 2/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/27:00 amORD - SJU
1 stop6h 45mAmerican Airlines
Thu 3/63:29 pmSJU - ORD
Nonstop5h 25mAmerican Airlines
Deal found 2/22$267
This Delta deal was found by Cheapflights users on 2/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/12:00 pmORD - SJU
1 stop7h 59mDelta
Thu 3/62:00 pmSJU - ORD
1 stop8h 46mDelta
Deal found 2/22$271
This American Airlines deal was found by Cheapflights users on 2/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/25:22 pmSBN - SJU
2 stops17h 37mAmerican Airlines
Tue 5/136:10 amSJU - SBN
2 stops16h 39mAmerican Airlines
Deal found 2/22$275

Find flights from Michigan to San Juan within your budget

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 February 23, 2025.

Fly from

Michigan

Fly to

San Juan

Route

Depart

Return

Price

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Wed 4/30

7:33 pm-9:40 am

1 stop14h 07m

San Juan Luis Munoz Marin Intl

Tue 5/6

1:10 am-8:42 am

1 stop7h 32m

$158

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Thu 3/20

9:40 pm-12:58 am

1 stop27h 18m

San Juan Luis Munoz Marin Intl

Wed 4/2

9:35 pm-8:00 am

1 stop10h 25m

$160

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Wed 4/9

5:00 am-6:44 pm

1 stop13h 44m

San Juan Luis Munoz Marin Intl

Wed 4/16

6:21 am-5:45 pm

1 stop11h 24m

$162

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 4/1

8:42 pm-2:23 am

Nonstop4h 41m

San Juan Luis Munoz Marin Intl

Tue 4/8

9:51 pm-8:04 am

1 stop11h 13m

$167

ChicagoSan Juan

MDW - SJU

MDWSJU

Chicago Midway

Thu 4/10

10:19 am-1:50 am

1 stop14h 31m

San Juan Luis Munoz Marin Intl

Mon 4/14

12:59 am-7:51 pm

1 stop19h 52m

$167

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 4/1

9:22 am-5:21 pm

1 stop6h 59m

San Juan Luis Munoz Marin Intl

Thu 4/3

4:30 am-9:06 am

Nonstop5h 36m

$168

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sat 3/8

1:30 pm-1:40 am

1 stop10h 10m

San Juan Luis Munoz Marin Intl

Sat 3/15

5:25 am-12:10 pm

1 stop7h 45m

$171

Grand RapidsSan Juan

GRR - SJU

GRRSJU

Grand Rapids Gerald R. Ford Intl

Sat 3/8

5:50 pm-1:40 am

1 stop6h 50m

San Juan Luis Munoz Marin Intl

Tue 3/18

5:35 am-6:47 pm

1 stop13h 12m

$171

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Mon 3/10

1:35 pm-11:15 pm

1 stop8h 40m

San Juan Luis Munoz Marin Intl

Wed 3/12

5:16 pm-11:56 pm

1 stop7h 40m

$271

South BendSan Juan

SBN - SJU

SBNSJU

South Bend/Michiana

Fri 5/2

5:22 pm-10:59 am

2 stops17h 37m

San Juan Luis Munoz Marin Intl

Tue 5/13

6:10 am-10:49 pm

2 stops16h 39m

$275

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/23

Showing 1-10 of 56 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.

Travel insights for flights from Michigan to San Juan

Get recent, data-driven insights about flights from Michigan to San Juan including ideal travel times, pricing trends, and more.

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 $254). Flying from Michigan to San Juan in March is currently the most expensive (average of $363). 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 February 23, 2025.

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.

Weekly flight availability from Michigan to San Juan

Explore weekly flight availability from Michigan to San Juan. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 23, 2025.

The most flights from USMI to PR1 are scheduled on a Saturday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan when rainfall is around 2.2 in.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated February 23, 2025.
See what other customers who have flown with Southwest, Alaska Airlines and Delta from Michigan to San Juan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,385 reviews

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,385 reviews
Southwest
8.1
Very good
4,385 reviews

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,706 reviews
Southwest
8.1
Very good
4,385 reviews

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,203 reviews
Southwest
8.1
Very good
4,385 reviews

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

JetBlue
7.4
Good
3,065 reviews
Southwest
8.1
Very good
4,385 reviews

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,754 reviews
Southwest
8.1
Very good
4,385 reviews

Comfort

8.1

Crew

8.7

Overall

8.1

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $84. However, be on the lookout for offers from Spirit Airlines 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 Chicago Midway - San Juan Luis Munoz Marin Intl or Detroit Metropolitan Wayne County - San Juan Luis Munoz Marin Intl.

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

    On average you can expect to pay $439 for a flight from Michigan to San Juan. The cheapest flight overall is $219 while the most popular route, (Chicago O'Hare Intl - San Juan Luis Munoz Marin Intl) is currently priced at $132.

  • 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 $254). Flying from Michigan to San Juan in March is currently the most expensive (average of $363). 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 February 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$124Average$244FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$188Average$304FlexibilityNo cancel feeOn-time65%
DeltaCheapest$244Average$526FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$250Average$417FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$264Average$614FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$318Average$678FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$396Average$617FlexibilityNo cancel feeOn-time63%
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