DTW - SJU

$79 Find Cheap Flights from Detroit to San Juan - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Detroit to San Juan departing on 10/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$341
Typical prices: $218-$397
Frontier
Fri 8/28Mon 8/31
DTW - SJU • 1 stop
Cheapest non-stop
$347
Typical prices: $166-$441
Delta
Sat 9/26Sat 10/3
DTW - SJU • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Delta Comfort Plus adds up to 3 inches of extra legroom on this route.
Delta offers free Wi-Fi for SkyMiles members on domestic flights, including messaging.
Expert advice
Expert advice
Expert advice
Expert advice
Nonstop flights
Every day
You can fly direct with Delta. Average duration is 4h 36m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Top layover airports
Tampa (TPA)
Cheapest • Avg $168 (round-trip)
Washington, D.C. (IAD)
Shortest trip • 6h 33m (one-way)
Insights
Insights
Insights
Insights
When to book
2 weeks
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 24% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
September
Cheapest • 39% price drop
February
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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We hope you love your trip to San Juan!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Detroit to San Juan (DTW-SJU)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Detroit to San Juan that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Detroit to San Juan

Fri, Aug 28 - Mon, Aug 31
Frontier Logo
6:07 pm - 2:15 am
DTW
-
SJU
8h 08m
1 stop
Frontier Logo
5:25 pm - 1:04 am
SJU
-
DTW
7h 39m
1 stop
$341Frontier
Sat, Aug 15 - Sat, Aug 22
Multiple Airlines Logo
4:10 pm - 11:20 pm
DTW
-
SJU
7h 10m
1 stop
Multiple Airlines Logo
8:57 pm - 8:54 am
SJU
-
DTW
11h 57m
1 stop
$342Multiple Airlines
Thu, Aug 20 - Sat, Aug 29
Frontier Logo
9:49 am - 4:49 pm
DTW
-
SJU
7h 00m
1 stop
Frontier Logo
6:35 am - 5:22 pm
SJU
-
DTW
10h 47m
1 stop
$343Frontier
Wed, Aug 19 - Mon, Aug 31
Multiple Airlines Logo
4:10 pm - 11:20 pm
DTW
-
SJU
7h 10m
1 stop
Multiple Airlines Logo
5:25 pm - 1:04 am
SJU
-
DTW
7h 39m
1 stop
$343Multiple Airlines
Wed, Sep 23 - Fri, Sep 25
American Airlines Logo
6:00 am - 8:47 pm
DTW
-
SJU
14h 47m
2 stops
American Airlines Logo
6:00 am - 5:30 pm
SJU
-
DTW
11h 30m
2 stops
$346American Airlines
Sat, Sep 26 - Sat, Oct 3
Delta Logo
8:42 am - 1:16 pm
DTW
-
SJU
4h 34mnonstop
Delta Logo
2:30 pm - 7:07 pm
SJU
-
DTW
4h 37mnonstop
$347Delta
Sat, Oct 17 - Sat, Oct 24
Delta Logo
8:27 am - 12:49 pm
DTW
-
SJU
4h 22mnonstop
Delta Logo
2:00 pm - 6:42 pm
SJU
-
DTW
4h 42mnonstop
$347Delta
Tue, Aug 18 - Fri, Aug 28
JetBlue Logo
6:00 am - 12:48 pm
DTW
-
SJU
6h 48m
1 stop
JetBlue Logo
5:05 am - 9:45 pm
SJU
-
DTW
16h 40m
1 stop
$350JetBlue
Sun, Aug 16 - Sat, Aug 29
JetBlue Logo
4:10 pm - 11:20 pm
DTW
-
SJU
7h 10m
1 stop
JetBlue Logo
7:00 am - 3:20 pm
SJU
-
DTW
8h 20m
1 stop
$352JetBlue
Sat, Sep 19 - Tue, Sep 22
American Airlines Logo
6:00 am - 2:50 pm
DTW
-
SJU
8h 50m
2 stops
American Airlines Logo
6:00 am - 5:38 pm
SJU
-
DTW
11h 38m
2 stops
$356American Airlines
Booking Insights

KAYAK's insights & trends for Detroit to San Juan flights

Get data-powered insights and trends into flights from Detroit to San Juan to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport departing in August.

Flight prices are typical for this route right now.

Flights to San Juan Luis Munoz Marin Intl Airport from Detroit Metropolitan Wayne County Airport usually cost between $267 and $399 in August.
The lowest price found in the past 5 days was $341 on Frontier (Aug 28-Aug 31).

What’s the cheapest day of the week to fly from Detroit to San Juan?

The average price of all round-trip flights from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport clicked on KAYAK for each day over the last 12 months.

When flying from Detroit to San Juan, you should consider leaving on a Monday and avoid Fridays if you are looking for the best rates. For your return to Detroit, you’ll find the best rates on Tuesdays and the most expensive ones on Sundays.

What is the cheapest month to fly from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport is September, where tickets cost $258 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is $590 and $550 respectively.

Can I save money by flying with a layover from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $481, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport, you should book around 2 weeks before departure, which saves you about 24% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 3 weeks before departure.

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Expert advice

Expert advice for your flight from Detroit to San Juan

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Delta

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on DTW

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on SJU

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more

Good to know

Low season

September

Cheapest flight

$79
Best time to beat the crowds with an average 39% drop in price.
Most popular time to fly with an average 4% increase in price.
Flight from Detroit to San Juan

When to book flights from Detroit to San Juan

Are your dates flexible? Find out the best times to travel from Detroit to San Juan based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Detroit to San Juan flights

  • What is the cheapest flight from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport?

    In the last 5 days, the lowest price for a flight from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport was $79 for a one-way ticket and $341 for a round-trip.

  • Do I need a passport to fly between Detroit and San Juan?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Detroit and on arrival in San Juan.

  • Which airports will I be using when flying from Detroit to San Juan?

    Detroit airport is called Detroit Metropolitan Wayne County and the only airport in San Juan is San Juan Luis Munoz Marin Intl.

  • Which airlines offer Wi-Fi service onboard planes from Detroit to San Juan?

    Delta, JetBlue, Aeromexico, and American Airlines offer inflight Wi-Fi service on the Detroit to San Juan flight route.

  • Which aircraft models fly most regularly from Detroit to San Juan?

    The Boeing 737-900 is the aircraft model that flies most regularly on the Detroit to San Juan flight route.

  • Which airline alliances offer flights from Detroit to San Juan?

    Star Alliance, oneworld, and SkyTeam are the airline alliances operating flights between Detroit and San Juan, with Star Alliance being the most commonly used for this route.

  • On which days can I fly direct from Detroit to San Juan?

    There are nonstop flights from Detroit to San Juan on a daily basis.

  • Which is the best airline for flights from Detroit to San Juan, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from Detroit to San Juan are Southwest and Delta. With an average price for the route of $517 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $634 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from Detroit to San Juan?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Detroit to San Juan.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Detroit to San Juan?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Juan from Detroit is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Detroit to San Juan?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Juan with an airline and back to Detroit with another airline. Booking your flights between Detroit and SJU can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Detroit to San Juan?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Juan from Detroit up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $408 or less one-way and $592 or less round-trip.

Prefer to fly direct from Detroit to San Juan?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Detroit Metropolitan Wayne County to San Juan Luis Munoz Marin Intl.
Find which airlines fly direct from Detroit Metropolitan Wayne County Airport to San Juan Luis Munoz Marin Intl Airport, which days they fly and book direct flights.

Direct departures

Detroit Metropolitan Wayne County to San Juan Luis Munoz Marin Intl

Monday

Delta

Delta

Tuesday

Delta

Delta

Wednesday

Delta

Delta

Thursday

Delta

Delta

Friday

Delta

Delta

Saturday

Delta

Delta

Sunday

Delta

Delta

See more direct flights

Direct returns

San Juan Luis Munoz Marin Intl to Detroit Metropolitan Wayne County

Monday

Delta

Delta

Tuesday

Delta

Delta

Wednesday

Delta

Delta

Thursday

Delta

Delta

Friday

Delta

Delta

Saturday

Delta

Delta

Sunday

Delta

Delta

See more direct flights

Everything you need to know for your flight from Detroit to San Juan

Information on your arrival and departure airports

Detroit (DTW)
Luis Munoz Marin Intl (SJU)