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Luis Munoz Marin Intl

$69+ Cheap flights from Detroit (DTT) 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SJU
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheapflights Tip: The best prices from Detroit All airports to San Juan Luis Munoz Marin Intl are usually found in August or September, booked 12 days in advance, depart on a Monday or Friday and return on a Thursday

Cheap flight deals from Detroit to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to Luis Munoz Marin Intl (SJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 29, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$192
(Cheapflightsfares)

One-way from

$69
(Kiwi.com)

Popular in

May

Cheapest in

August

Average price

$282

Good round-trip deal

$400 or less

Good one-way deal

$204 or less
Provider with most accurate pricing for Detroit (DTT)-San Juan Luis Munoz Marin Intl flight deals.
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Provider most trusted by Cheapflights users for Detroit (DTT)-San Juan Luis Munoz Marin Intl flights.
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From Detroit (DTT) to San Juan Luis Munoz Marin Intl
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One-way flight from Detroit (DTT) 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 Detroit (DTT) to San Juan Luis Munoz Marin Intl.
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Price to beat on a one-way flight from Detroit (DTT) to San Juan Luis Munoz Marin Intl.
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Find flight deals from Detroit to Luis Munoz Marin Intl

Cheapest flights from Detroit to Luis Munoz Marin Intl
Explore the most affordable flight options available from Detroit to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 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 Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Fri 10/314:50 pmDTW - SJU
1 stop8h 54mSpirit Airlines
Thu 11/139:28 pmSJU - DTW
1 stop13h 19mSpirit Airlines
Deal found 10/27$198
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 Cheapflightsfares deal was found by Cheapflights users on 10/27. 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 12/46:00 amDTW - SJU
1 stop17h 16mSpirit Airlines
Mon 12/81:27 pmSJU - DTW
1 stop11h 32mSpirit Airlines
Deal found 10/27$204
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:00 amDTW - SJU
1 stop17h 16mSpirit Airlines
Sun 12/144:10 amSJU - DTW
1 stop6h 58mSpirit Airlines
Deal found 10/28$205
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Fri 10/314:50 pmDTW - SJU
1 stop8h 54mSpirit Airlines
Sat 11/153:44 pmSJU - DTW
1 stop8h 45mSpirit Airlines
Deal found 10/27$207
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Fri 10/314:50 pmDTW - SJU
1 stop8h 54mSpirit Airlines
Wed 11/123:44 pmSJU - DTW
1 stop8h 45mSpirit Airlines
Deal found 10/27$210
This Priceline deal was found by Cheapflights users on 10/27. 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.
Mon 10/272:53 pmDTW - SJU
1 stop10h 51mSpirit Airlines
Mon 11/38:34 pmSJU - DTW
1 stop14h 13mSpirit Airlines
Deal found 10/27$211
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
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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 10/292:53 pmDTW - SJU
1 stop10h 51mSpirit Airlines
Tue 11/43:44 pmSJU - DTW
1 stop8h 45mSpirit Airlines
Deal found 10/26$213
This Kiwi.com 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 Kiwi.com 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
Wed 11/123:44 pmSJU - DTW
1 stop8h 45mSpirit Airlines
Deal found 10/28$214

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit 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 29, 2025.
Use the filters below to find and compare flights from Detroit to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Detroit

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Fri 2/27

6:00 am-4:25 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Fri 3/6

4:10 pm-10:57 pm

1 stop7h 47m

$282

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 12/27

6:00 am-3:01 pm

1 stop8h 01m

San Juan Luis Munoz Marin Intl

Thu 1/1

2:05 am-8:24 am

1 stop7h 19m

$291

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Wed 11/12

6:00 am-3:22 pm

1 stop8h 22m

San Juan Luis Munoz Marin Intl

Wed 11/19

1:59 am-9:43 am

1 stop8h 44m

$323

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Wed 3/4

6:00 am-4:25 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Thu 3/12

3:10 pm-10:57 pm

1 stop7h 47m

$323

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 12/20

7:42 pm-10:33 am

1 stop13h 51m

San Juan Luis Munoz Marin Intl

Mon 12/29

12:41 pm-12:42 am

1 stop13h 01m

$325

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 11/8

2:50 pm-10:59 pm

1 stop7h 09m

San Juan Luis Munoz Marin Intl

Wed 11/12

3:20 pm-7:10 pm

Nonstop4h 50m

$352

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 2/14

1:25 pm-12:40 am

2 stops10h 15m

San Juan Luis Munoz Marin Intl

Thu 2/19

5:00 pm-11:00 pm

1 stop7h 00m

$357

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 3/2

12:20 pm-11:00 pm

1 stop9h 40m

San Juan Luis Munoz Marin Intl

Fri 3/6

4:10 pm-10:57 pm

1 stop7h 47m

$372

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Tue 3/3

6:25 am-7:05 pm

2 stops11h 40m

San Juan Luis Munoz Marin Intl

Fri 3/6

6:30 am-2:55 pm

2 stops9h 25m

$375

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Tue 1/20

8:43 am-2:10 pm

Nonstop4h 27m

San Juan Luis Munoz Marin Intl

Tue 1/27

3:20 pm-7:15 pm

Nonstop4h 55m

$385

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 23 results
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Compare providers for flights from Detroit to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Detroit to Luis Munoz Marin Intl in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Detroit-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Detroit-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Detroit-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Detroit-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Detroit-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Detroit to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Detroit 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 Detroit to San Juan Luis Munoz Marin Intl Airport

How far ahead should I book a flight from Detroit to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Detroit to Luis Munoz Marin Intl. Price data was last updated on October 24, 2025.

Booking 12 days in advance of your planned departure date is, on average, the best time to get cheap flights from Detroit to San Juan Luis Munoz Marin Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from Detroit to San Juan Luis Munoz Marin Intl Airport (average of $132). Flying from Detroit 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 DTT to SJU?

Find hourly flight availability from Detroit 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 29, 2025.

It’s optimal to fly from Detroit to San Juan Luis Munoz Marin Intl Airport in the afternoon. By choosing this option you can save up to 66% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Detroit to Luis Munoz Marin Intl. Price data was last updated on October 26, 2025.

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

How much does it cost to fly round-trip from Detroit to San Juan Luis Munoz Marin Intl Airport?

What’s the top layover airport for flights from Detroit to San Juan Luis Munoz Marin Intl Airport?

Share of 1-stop round-trip flights from Detroit to San Juan Luis Munoz Marin Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Orlando (MCO) – chosen by Cheapflights users on 70% of 1-stop itineraries from Detroit to San Juan Luis Munoz Marin Intl Airport on Cheapflights.

What’s the cheapest layover airport for flights from Detroit to San Juan Luis Munoz Marin Intl Airport?

Average round-trip fare for 1-stop flights from Detroit to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Dallas (DFW) is the most affordable 1-stop option, with an average round-trip price of $204.

What’s the fastest layover option from Detroit to San Juan Luis Munoz Marin Intl Airport?

Shortest average travel time for 1-stop one-way flights from Detroit to San Juan Luis Munoz Marin Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Baltimore (BWI) have the shortest average one-way travel time for 1-stop routes: 6h 45m.

Which airport typically offers the quickest layover for flights from Detroit to San Juan Luis Munoz Marin Intl Airport?

Average layover duration for 1-stop one-way flights from Detroit to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Baltimore (BWI) offer the fastest connection on this route, with an average layover time of 1h 21m.

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated October 29, 2025.
Read reviews from past customers who have flown Southwest, Delta, and American Airlines from Detroit to San Juan Luis Munoz Marin Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,241 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,992 reviews
Southwest
8.0
Very good
4,241 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,032 reviews
Southwest
8.0
Very good
4,241 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,114 reviews
Southwest
8.0
Very good
4,241 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,124 reviews
Southwest
8.0
Very good
4,241 reviews

Comfort

8.0

Overall

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Detroit 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.

  • What airport do you fly from for flights from Detroit to San Juan Luis Munoz Marin Intl?

    Detroit All airports (DTT) is the airport you will fly out of if you book a flight from Detroit to San Juan Luis Munoz Marin Intl. You should not have trouble finding flights to San Juan Luis Munoz Marin Intl from All airports; the airport handles an average of 0 outbound flights to San Juan Luis Munoz Marin Intl per day. You should also have plenty of airline options to choose from since 7 airlines have flights from the Detroit airport to San Juan Luis Munoz Marin Intl. It is only a 0.6 mi journey to All airports (DTT) from Detroit’s city center.

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

    Departing from Detroit to San Juan Luis Munoz Marin Intl Airport will take you 9h 25m. The distance from Detroit to San Juan Luis Munoz Marin Intl Airport is about 1932 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Detroit to San Juan Luis Munoz Marin Intl Airport round-trip?

    Frontier, at $124, was found to be the cheapest airline from Detroit to San Juan Luis Munoz Marin Intl Airport.Alternate airlines to your destination round-trip include Spirit Airlines and Delta. Frontier is currently priced 63% below the average price you’ll pay for this route.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Detroit to San Juan Luis Munoz Marin Intl Airport on time: WestJet (93%), Delta (91%), Spirit Airlines (89%).

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

    Looking at all options, your cheapest flight can be booked for $150. While the most popular route (Detroit Metropolitan Wayne County - San Juan Luis Munoz Marin Intl) can be booked for $139 on average, our data indicates $468 when flying from Detroit to San Juan Luis Munoz Marin Intl Airport.

  • Where are the most common layover locations when flying from Detroit to San Juan Luis Munoz Marin Intl Airport?

    Detroit to San Juan Luis Munoz Marin Intl Airport flights have a layover in Orlando most of the time.

  • What are some popular things to do or see while on a layover in Orlando?

    Most Orlando visitors opt to spend their time experiencing Walt Disney World Resort, Universal Orlando Resort, and International Drive. Travelers on a layover in Orlando can visit Walt Disney World Resort, Universal Orlando Resort, and International Drive, by traveling 16.2 mi, 10.2 mi, and 9.9 mi, respectively after landing at Orlando. Those on a layover in Orlando in need of a rental car can book one at Orlando for about $25.

  • Where are the least popular layover locations for Detroit to San Juan Luis Munoz Marin Intl Airport flights?

    Detroit to San Juan Luis Munoz Marin Intl Airport flights have a layover in Atlanta the least frequently.

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

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

  • How can I find direct flights from Detroit 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 Detroit to Luis Munoz Marin Intl.

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

    Yes. Cheapflights offers flight deals from Detroit 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 Detroit to San Juan Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Detroit to San Juan Luis Munoz Marin Intl Airport (average of $132). Flying from Detroit 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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Top 7 airlines flying from Detroit to Luis Munoz Marin Intl

Discover the top 7 airlines that operate flights from Detroit 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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$124Average$225FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$152Average$277FlexibilityNo cancel feeOn-time65%
DeltaCheapest$235Average$590FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$281Average$367FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$324Average$574FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$380Average$570FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$399Average$555FlexibilityNo cancel feeOn-time63%

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