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San Juan

Cheap flights from Detroit Metropolitan Wayne County Airport (DTW) to San Juan

DTW — SJU
Oct 30 — Nov 61
Fri 10/30
Fri 11/6
1 adult, Economy
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Cheapflights Tip: The best prices from Detroit Metropolitan Wayne County to San Juan are usually found in May or August, booked 2 days in advance, depart on a Tuesday or Monday and return on a Thursday

Find flight deals from Detroit to San Juan

Popular in

December

Cheapest in

May

Average price

$416
Highest demand for flights based on searches. 9% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Best time to book a flight from Detroit to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Detroit with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Detroit Metropolitan Wayne County Airport to San Juan

How far ahead should I book a flight from Detroit Metropolitan Wayne County Airport to San Juan?

Booking 1 days in advance of your planned departure date is, on average, the best time to get cheap flights from Detroit Metropolitan Wayne County Airport to San Juan. 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 Metropolitan Wayne County Airport to San Juan?

Currently, May is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to San Juan (average of $374). Flying from Detroit Metropolitan Wayne County Airport to San Juan in December is currently the most expensive (average of $639). 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 DTW to SJU?

When flying from Detroit Metropolitan Wayne County Airport to San Juan, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing San Juan

Peruse reviews from past customers who have flown with Southwest,Delta, andJetBlue from Detroit Metropolitan Wayne County Airport to San Juan to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,204 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
Southwest
8.0
Very good
4,204 reviews
Southwest
8.0
Very good
4,204 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
Delta
7.8
Good
8,608 reviews
Southwest
8.0
Very good
4,204 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
JetBlue
7.1
Good
3,042 reviews
Southwest
8.0
Very good
4,204 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
American Airlines
7.0
Good
12,098 reviews
Southwest
8.0
Very good
4,204 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.
Frontier
5.6
Fair
2,567 reviews
Southwest
8.0
Very good
4,204 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.

Related info for your journey

  • What airport do you fly from for flights from Detroit to San Juan?

    Located just 17.3 mi from the city center, Detroit Metropolitan Wayne County is the airport most travelers will use when flying to San Juan from Detroit. Booking flights from Detroit Metropolitan Wayne County (DTW) to San Juan should be relatively easy as there are 0 daily outbound flights to San Juan from 6 different airlines.

  • What are the cheapest airlines flying from Detroit Metropolitan Wayne County Airport to San Juan round-trip?

    Flying on Frontier is currently your cheapest option to San Juan, with prices starting at $180. Additional round-trip tickets that might be worth considering are offered by JetBlue and United Airlines, with the lowest prices starting at $212 and $266, respectively. You may be able to fly from Detroit Metropolitan Wayne County Airport to San Juan for 61% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Detroit Metropolitan Wayne County Airport 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 JetBlue and Delta, as they are both options that can get you from Detroit Metropolitan Wayne County Airport to San Juan for a low price.

  • What are the cheapest flights from Detroit Metropolitan Wayne County Airport to San Juan?

    On average you can expect to pay $779 for a flight from Detroit Metropolitan Wayne County Airport to San Juan. The cheapest flight overall is $504 while the most popular route, (Detroit Metropolitan Wayne County - San Juan Luis Munoz Marin Intl) is currently priced at $283.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Detroit 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 Detroit Metropolitan Wayne County Airport to San Juan?

    Currently, May is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to San Juan (average of $374). Flying from Detroit Metropolitan Wayne County Airport to San Juan in December is currently the most expensive (average of $639). 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 Detroit to San Juan

Detroit to Luis Munoz Marin Intl flights
Detroit to Aguadilla flights

Top 6 airlines flying from Detroit to San Juan

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$180Average$368FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$212Average$389FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$266Average$594FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$330Average$607FlexibilityNo cancel feeOn-time71%
DeltaCheapest$347Average$655FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$395Average$509FlexibilityNo cancel feeOn-time63%

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