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Cheap flights from Detroit to Puerto Rico from C$ 207

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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SJU
2 Aug — 9 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Detroit to Puerto Rico

Enter your travel dates to find the best prices.

Cheapest flights from Detroit to Puerto Rico
Explore the most affordable flight options available from Detroit to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2026.

Fri 31/77:30 p.m.
DTW
-
SJU
1 stop9h 32m
Frontier
Fri 7/86:00 a.m.
SJU
-
DTW
1 stop30h 55m
Frontier
Deal found 1/7C$ 498
Mon 19/106:00 a.m.
DTW
-
SJU
1 stop7h 25m
JetBlue
Tue 27/106:25 a.m.
SJU
-
DTW
1 stop8h 45m
JetBlue
Deal found 2/7C$ 529
Thu 15/102:45 p.m.
DTW
-
SJU
2 stops9h 35m
Southwest
Mon 19/105:30 a.m.
SJU
-
DTW
1 stop8h 40m
Southwest
Deal found 1/7C$ 534
Tue 25/88:45 a.m.
DTW
-
SJU
2 stops9h 25m
Southwest
Sat 29/85:05 a.m.
SJU
-
DTW
2 stops8h 55m
Southwest
Deal found 3/7C$ 561
Thu 17/91:20 p.m.
DTW
-
SJU
2 stops10h 30m
Southwest
Mon 21/95:00 a.m.
SJU
-
DTW
2 stops10h 10m
Southwest
Deal found 1/7C$ 569
Sat 11/76:10 a.m.
DTW
-
SJU
1 stop8h 06m
Frontier
Tue 25/85:25 p.m.
SJU
-
DTW
1 stop7h 39m
Frontier
Deal found 1/7C$ 576
Sat 22/82:50 p.m.
DTW
-
SJU
1 stop7h 05m
Southwest
Sat 29/85:55 a.m.
SJU
-
DTW
1 stop6h 35m
Southwest
Deal found 30/6C$ 588
Sat 17/102:10 p.m.
DTW
-
SJU
2 stops9h 40m
Southwest
Mon 19/105:00 a.m.
SJU
-
DTW
2 stops9h 10m
Southwest
Deal found 2/7C$ 596
Tue 25/88:45 a.m.
DTW
-
SJU
2 stops9h 25m
Southwest
Mon 31/85:00 a.m.
SJU
-
DTW
2 stops9h 05m
Southwest
Deal found 1/7C$ 605
Tue 18/86:25 a.m.
DTW
-
SJU
2 stops11h 45m
Southwest
Sun 23/86:35 a.m.
SJU
-
DTW
2 stops8h 00m
Southwest
Deal found 2/7C$ 626
Fri 28/81:20 p.m.
DTW
-
SJU
2 stops8h 50m
Southwest
Mon 31/85:00 a.m.
SJU
-
DTW
2 stops9h 05m
Southwest
Deal found 1/7C$ 632

Find flight deals from Detroit to Puerto Rico

Keep the following information in mind while searching for Detroit to Puerto Rico flight deals. Data was last updated 3 July 2026.

Round-trip from

C$ 498

One-way from

C$ 207

Popular in

December

Cheapest in

August

Average price

C$ 477
Frontier
  • Frontier
  • 31/7-7/8
  • 2 total stops
  • 40h 27m total
  • Detroit to Puerto Rico
Search Deals
Frontier
  • Frontier
  • 6/8
  • 2 total stops
  • 18h 31m total
  • Detroit to Puerto Rico
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 118 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit to Puerto Rico 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 629,999 searches. Data last updated 3 July 2026.
Use the filters below to find and compare flights from Detroit to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 7/12

3:55 p.m.-11:20 p.m.

1 stop6h 25m

San Juan Luis Munoz Marin Intl

Wed 16/12

6:15 a.m.-3:15 p.m.

2 stops10h 00m

C$ 534

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Fri 25/9

2:40 p.m.-11:50 p.m.

2 stops9h 10m

San Juan Luis Munoz Marin Intl

Mon 28/9

3:20 p.m.-10:15 p.m.

1 stop6h 55m

C$ 561

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Fri 28/8

2:40 p.m.-11:50 p.m.

2 stops9h 10m

San Juan Luis Munoz Marin Intl

Mon 31/8

5:30 a.m.-2:05 p.m.

1 stop8h 35m

C$ 578

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sun 1/11

11:40 a.m.-10:55 p.m.

1 stop10h 15m

San Juan Luis Munoz Marin Intl

Tue 1/12

6:15 a.m.-3:15 p.m.

2 stops10h 00m

C$ 653

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Mon 9/11

4:10 p.m.-11:55 p.m.

1 stop6h 45m

San Juan Luis Munoz Marin Intl

Sat 14/11

3:10 p.m.-7:00 p.m.

Nonstop4h 50m

C$ 748

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Fri 20/11

7:00 a.m.-5:20 p.m.

1 stop9h 20m

San Juan Luis Munoz Marin Intl

Tue 24/11

1:55 p.m.-12:44 a.m.

1 stop11h 49m

C$ 754
Quickest round-trip

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 3/10

8:40 a.m.-1:14 p.m.

Nonstop4h 34m

San Juan Luis Munoz Marin Intl

Sat 10/10

3:10 p.m.-8:00 p.m.

Nonstop4h 50m

C$ 776

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Tue 25/8

5:20 a.m.-4:38 p.m.

1 stop11h 18m

San Juan Luis Munoz Marin Intl

Sat 29/8

2:31 p.m.-7:14 p.m.

Nonstop4h 43m

C$ 819

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 26/9

7:20 a.m.-4:49 p.m.

1 stop9h 29m

San Juan Luis Munoz Marin Intl

Sat 3/10

3:10 p.m.-7:48 p.m.

Nonstop4h 38m

C$ 847

DetroitSan Juan

DTW - SJU

DTWSJU

Detroit Metropolitan Wayne County

Sat 22/8

3:40 p.m.-11:52 p.m.

1 stop8h 12m

San Juan Luis Munoz Marin Intl

Sat 29/8

2:31 p.m.-7:14 p.m.

Nonstop4h 43m

C$ 855

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/6

Showing 1-10 of 19 resultsSorted by cheapest first
1
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Best time to book a flight from Detroit to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico 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 Puerto Rico

What is the cheapest month to book a flight from Detroit to Puerto Rico?

Currently, September is the cheapest month in which you can book a flight from Detroit to Puerto Rico (average of C$ 95). Flying from Detroit to Puerto Rico in December is currently the most expensive (average of C$ 2,456). 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 PR?

Find hourly flight availability from Detroit to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 July 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Detroit to Puerto Rico as you normally would.

How far ahead should I book a flight from Detroit to Puerto Rico?

Booking 1 days in advance of your planned departure date is, on average, the best time to get cheap flights from Detroit to Puerto Rico. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated 3 July 2026.
Get a feel of what it's like to fly with Delta and Frontier from Detroit to Puerto Rico by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,452 reviews
Check prices

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.8

Food

7.2

Comfort

7.8

Reviews

1 / 20
4.0
Okay

Laura,Aug 2023

DTW - BOS

Finally got on a flight to Boston and all went ok. We were the last to board and sat in the last seats on the plane. Not particularly treated well after waiting all day to travel.
Delta
7.8
Good
8,452 reviews
Delta
7.8
Good
8,452 reviews
Check prices

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.8

Food

7.2

Comfort

7.8

Reviews

1 / 20
4.0
Okay

Laura,Aug 2023

DTW - BOS

Finally got on a flight to Boston and all went ok. We were the last to board and sat in the last seats on the plane. Not particularly treated well after waiting all day to travel.
Frontier
5.6
Fair
2,847 reviews
Delta
7.8
Good
8,452 reviews
Check prices

Crew

8.5

Entertainment

7.8

Boarding

8.1

Overall

7.8

Food

7.2

Comfort

7.8

Reviews

1 / 20
4.0
Okay

Laura,Aug 2023

DTW - BOS

Finally got on a flight to Boston and all went ok. We were the last to board and sat in the last seats on the plane. Not particularly treated well after waiting all day to travel.

Related info for your journey

Find useful and relevant information for your journey from Detroit to Puerto Rico. 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 Puerto Rico?

    For a flight from Detroit to Puerto Rico, you will be flying from All airports. Detroit All airports (DTT) is just 0.9 km from the centre of the city.

  • How long is the flight from Detroit to Puerto Rico?

    For as low as C$ 529, Frontier can have you in Puerto Rico from Detroit in 7h 25m. The distance between Detroit and Puerto Rico is about 3109 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Detroit to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Detroit to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Detroit to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Puerto Rico.

  • Can I find deals for business class flights from Detroit to Puerto Rico?

    Yes. Cheapflights offers flight deals from Detroit to Puerto Rico 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 Puerto Rico?

    Currently, September is the cheapest month in which you can book a flight from Detroit to Puerto Rico (average of C$ 95). Flying from Detroit to Puerto Rico in December is currently the most expensive (average of C$ 2,456). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Detroit to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
Detroit to Punta Cana flights
Detroit to Luis Munoz Marin Intl flights
Detroit to Oranjestad flights
Detroit to George Town flights

Top 4 airlines flying from Detroit to Puerto Rico

Discover the top 4 airlines that operate flights from Detroit to Puerto Rico. 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 629,999 searches. Data last updated 3 July 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 117AverageC$ 443FlexibilityNo cancel feeOn-time62%
Search Frontier flights
JetBlueCheapestC$ 147AverageC$ 533FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
DeltaCheapestC$ 324AverageC$ 588FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
SouthwestCheapestC$ 542AverageC$ 916FlexibilityNo cancel feeOn-time63%
Search Southwest flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Detroit to Puerto Rico?

Deals for Detroit to Puerto Rico flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Detroit to Puerto Rico?

Cheapflights simply makes it quick and affordable to book flights from Detroit to Puerto Rico by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Detroit to Puerto Rico with no change fees?

Yes, we can. To see specific flights from Detroit to Puerto Rico with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Detroit to Puerto Rico become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Puerto Rico from Detroit today and book when prices fit your budget.

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