MKE - SJU

$152 Find Cheap Flights from Milwaukee to San Juan - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$336
Typical prices: $376-$569
Frontier
Wed 1/17Sat 1/20
MKE - SJU • 1 stop
Cheapest one-way
$152
Typical prices: $187-$276
Frontier
Fri 12/7
MKE - SJU • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Milwaukee and San Juan Luis Munoz Marin Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
23 weeks
in advance
Our data shows that travelers who book at least 23 weeks in advance save around 29% compared to booking last minute.
Insights
Insights
When to travel
September
Cheapest • 26% price drop
February
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Tampa (TPA)
Cheapest • Avg $334 (round-trip)
Detroit Metropolitan Wayne County (DTW)
Shortest trip • 7h 22m (one-way)
Insights
Insights
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We hope you love your trip to San Juan Luis Munoz Marin Intl Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Milwaukee to San Juan (MKE-SJU)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Milwaukee to San Juan

Sun, Jan 17 - Wed, Jan 20
Frontier Logo
8:15 am - 2:41 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
28h 26m1 stop Orlando
Frontier Logo
10:53 pm - 7:16 amSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
10h 23m1 stop Orlando
$336Frontier
Sun, Jan 17 - Wed, Jan 20
Frontier Logo
8:15 am - 2:41 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
28h 26m1 stop Orlando
Frontier Logo
10:53 pm - 7:16 amSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
10h 23m1 stop Orlando
$336Frontier
Wed, Dec 2 - Wed, Dec 9
Southwest Logo
2:15 pm - 12:50 amMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
8h 35m2 stops Nashville Intl Orlando
Southwest Logo
2:25 pm - 10:20 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
9h 55m2 stops Baltimore/Washington Nashville Intl
$426Southwest
Sat, Dec 5 - Tue, Dec 15
Southwest Logo
7:05 am - 10:55 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
13h 50m1 stop Baltimore/Washington
Southwest Logo
2:25 pm - 9:25 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
9h 00m1 stop Baltimore/Washington
$426Southwest
Sun, Jan 31 - Sat, Feb 6
American Airlines Logo
5:18 am - 9:11 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
13h 53m2 stops Chicago O'Hare Intl Charlotte Douglas
American Airlines Logo
6:12 am - 3:04 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
10h 52m2 stops Charlotte Douglas Chicago O'Hare Intl
$426American Airlines
Thu, Nov 26 - Thu, Dec 3
American Airlines Logo
5:08 am - 7:42 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
12h 34m2 stops Washington, D.C. Reagan-National Miami
American Airlines Logo
6:48 am - 2:21 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
9h 33m2 stops Charlotte Douglas Chicago O'Hare Intl
$426American Airlines
Mon, Jan 25 - Tue, Feb 2
Delta Logo
7:00 am - 5:25 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
8h 25m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:55 pm - 8:12 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
7h 17m1 stop Detroit Metropolitan Wayne County
$426Delta
Sun, Feb 7 - Fri, Feb 12
Delta Logo
7:00 am - 5:25 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
8h 25m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:15 am - 2:20 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
10h 05m1 stop Atlanta Hartsfield-Jackson
$426Delta
Sat, Feb 6 - Tue, Feb 9
United Airlines Logo
9:20 am - 12:36 amMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
13h 16m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
8:25 am - 2:00 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
7h 35m1 stop Chicago O'Hare Intl
$426United Airlines
Sun, Jan 24 - Thu, Jan 28
United Airlines Logo
10:35 am - 10:22 pmMKE  Milwaukee-Mitchell-SJU San Juan Luis Munoz Marin Intl
9h 47m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
United Airlines Logo
2:05 am - 12:05 pmSJU  San Juan Luis Munoz Marin Intl-MKE Milwaukee-Mitchell
12h 00m2 stops Newark Chicago O'Hare Intl
$426United Airlines
Booking Insights

Price, demand and travel trends for Milwaukee to San Juan Luis Munoz Marin Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Milwaukee to San Juan Luis Munoz Marin Intl Airport?

Round-trip flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport typically range from $376 to $569. The lowest price found in the past 5 days was $336, on Frontier.

What's the cheapest day of the week to fly from Milwaukee to San Juan Luis Munoz Marin Intl Airport?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Milwaukee to San Juan Luis Munoz Marin Intl Airport. It’s 14% cheaper than the average day, while Wednesday is the most expensive, with prices 3% higher.

What’s the cheapest month to fly from Milwaukee to San Juan Luis Munoz Marin Intl Airport?

•September is the cheapest month to fly from Milwaukee to San Juan Luis Munoz Marin Intl Airport at $340 round-trip.
•December ($716) and March ($516) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 110% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport the cheapest?

Flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport are cheapest 23 weeks before departure. Booking in this window typically costs about 29% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Milwaukee to San Juan Luis Munoz Marin Intl Airport flights

Low season

October

Cheapest flight

$152
Beat the crowds with an average 55% drop in travelers.
The most popular month to fly with an average 46% increase in travelers.
One-way flight from Milwaukee to San Juan Luis Munoz Marin Intl Airport

When to book flights from Milwaukee to San Juan

Are your dates flexible? Find out the best times to travel from Milwaukee 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

Your Milwaukee to San Juan Luis Munoz Marin Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport?

    Only Economy Class is available on flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport.

  • How long is a flight from Milwaukee to San Juan Luis Munoz Marin Intl Airport?

    A nonstop flight from Milwaukee to San Juan Luis Munoz Marin Intl Airport takes 00m, covering 2,120 miles.

  • Do I need a passport to fly from Milwaukee to San Juan Luis Munoz Marin Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Milwaukee to San Juan Luis Munoz Marin Intl Airport flight?

    Round-trip flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport range from $376 to $569, with an average of $462 over the past 12 months. Anything below $376 counts as a good deal.

  • How expensive are last-minute Milwaukee to San Juan Luis Munoz Marin Intl Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 10% above the $462 route average. Book 23 weeks before departure for the lowest fares.

  • Have flight prices from Milwaukee to San Juan Luis Munoz Marin Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $331 to $1,873. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from Milwaukee to San Juan Luis Munoz Marin Intl Airport looking right now?

    One-way fares from Milwaukee to San Juan Luis Munoz Marin Intl Airport are currently higher than usual. Average one-way flight prices are about $238, which is 6% above the typical average for this route.

  • What car rental options are available at San Juan Luis Munoz Marin Intl Airport (SJU)?

    San Juan Luis Munoz Marin Intl Airport (SJU) hosts 5 major car rental companies, with daily rates averaging $40 for economy cars. Top options include:

    • Routes Car & Truck Rentals
    • U-Save
    • Hertz
    • Payless
    • Europcar

  • Which airports can I use when flying from Milwaukee to San Juan Luis Munoz Marin Intl Airport?

    Flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport usually depart from Milwaukee-Mitchell (MKE) and arrive at San Juan Luis Munoz Marin Intl (SJU).

  • Which airports do connecting flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport pass through?

    One-stop flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport most commonly connect through:

    • Orlando (MCO) - 36% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 25% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 12% of one-stop connections
    • Charlotte Douglas (CLT) - 12% of one-stop connections

  • Can I save money by using flexible dates for flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport?

    Yes. Flexible dates can save you up to 17% on flights from Milwaukee to San Juan Luis Munoz Marin Intl Airport. Sunday is the cheapest departure day at $401 round-trip on average, while Wednesday is the most expensive at $478, a difference of $77.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different layover airport from Milwaukee to San Juan Luis Munoz Marin Intl Airport?

    Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 7h 22m, compared with 7h 25m via Atlanta Hartsfield-Jackson (ATL) and 7h 33m via Baltimore/Washington (BWI).

  • What is the time difference between Milwaukee and San Juan Luis Munoz Marin Intl Airport?

    San Juan Luis Munoz Marin Intl Airport is 2 hours ahead of Milwaukee (Atlantic Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in San Juan Luis Munoz Marin Intl Airport?

    Some of the most popular sights in San Juan Luis Munoz Marin Intl Airport are Viejo San Juan, Puerto Rico Convention Center and Condado Beach. These are among the most viewed places in San Juan Luis Munoz Marin Intl Airport on KAYAK.

Your guide to booking Milwaukee to San Juan Luis Munoz Marin Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Wednesday. On this route, Sunday flights average $401, about $77 less than Wednesday fares (16% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 23 weeks before you fly. On this route, that window historically saves about 29% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Milwaukee to San Juan Luis Munoz Marin Intl Airport trip for September. Fares historically average $340 round-trip in that month - typically $376 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Juan Luis Munoz Marin Intl Airport.

    • Coral by The Sea Hotel
    • San Juan Airport Hotel
    • Hampton Inn & Suites by Hilton San Juan

More options for your flight from Milwaukee to San Juan

Complete your trip to San Juan with a hotel stay or car rental

Car rentals in San Juan
Hotels in San Juan
Vacations in San Juan